Repository: googlecreativelab/webvr-musicalforest Branch: master Commit: 99d6007715d2 Files: 176 Total size: 1.0 MB Directory structure: gitextract_yh_t2yfb/ ├── .gitignore ├── CONTRIBUTING.md ├── LICENSE ├── README.md ├── app.yaml ├── backend/ │ ├── .babelrc │ ├── .gitignore │ ├── README.md │ ├── package.json │ └── src/ │ ├── config.js │ ├── datastore/ │ │ ├── datastore-constants.js │ │ └── index.js │ ├── index.js │ ├── logger/ │ │ ├── cloud-logger.js │ │ └── index.js │ ├── messages/ │ │ ├── index.js │ │ ├── message-actions.js │ │ ├── message-constants.js │ │ ├── message-handler.js │ │ ├── message-rate-limiter.js │ │ ├── message-sagas.js │ │ ├── message-schema.js │ │ └── message-validator.js │ ├── pubsub/ │ │ ├── index.js │ │ └── pubsub-client.js │ ├── rooms/ │ │ ├── index.js │ │ ├── room-data-actions.js │ │ ├── room-data-constants.js │ │ ├── room-data-reducer.js │ │ ├── room-names.js │ │ ├── room-sagas.js │ │ ├── room-state-actions.js │ │ ├── room-state-constants.js │ │ ├── room-state-machine.js │ │ ├── room-state-reducer.js │ │ └── room-state-utils.js │ ├── s11n.js │ ├── server/ │ │ ├── app-server.js │ │ ├── balancer.js │ │ ├── index.js │ │ ├── server-actions.js │ │ ├── server-constants.js │ │ ├── server-reducer.js │ │ ├── server-sagas.js │ │ ├── server-setup.js │ │ ├── server-startup.js │ │ ├── server-sync-handlers.js │ │ ├── server-sync.js │ │ ├── target-server-utils.js │ │ └── websocket-server.js │ ├── spheres/ │ │ ├── index.js │ │ ├── sphere-constants.js │ │ └── trees/ │ │ ├── 0.js │ │ ├── 1.js │ │ ├── 2.js │ │ ├── 3.js │ │ ├── 4.js │ │ └── 5.js │ ├── store.js │ └── utils/ │ ├── index.js │ ├── reducer-utils.js │ ├── saga-utils.js │ ├── string-utils.js │ ├── url-utils.js │ └── websocket-utils.js ├── config.js ├── config.template ├── index.html ├── js/ │ ├── ascene.js │ ├── components/ │ │ ├── background-objects.js │ │ ├── ball.js │ │ ├── bg-tree-ring-material.js │ │ ├── clicker.js │ │ ├── controller-material.js │ │ ├── controllers.js │ │ ├── copresence-server-messages.js │ │ ├── copresence-server.js │ │ ├── daydream-manager.js │ │ ├── daydream-pointer.js │ │ ├── fake-light.js │ │ ├── ga.js │ │ ├── gaze.js │ │ ├── grab-move.js │ │ ├── haptics.js │ │ ├── headset-material.js │ │ ├── listener.js │ │ ├── palette.js │ │ ├── proximity-check.js │ │ ├── quaternion.js │ │ ├── smooth-motion.js │ │ ├── teleport.js │ │ ├── tone.js │ │ ├── tool-tips.js │ │ ├── touch-color.js │ │ ├── tree.js │ │ └── wasd-boundaries.js │ ├── core/ │ │ ├── color-set.js │ │ ├── colors.js │ │ ├── instrument.js │ │ ├── instruments.js │ │ ├── shape-data.js │ │ └── shapes.js │ ├── index.js │ ├── notes/ │ │ ├── note-head-cube.js │ │ ├── note-head-sphere.js │ │ ├── note-head-tetra.js │ │ ├── note-head.js │ │ ├── note-shadow-cube.js │ │ ├── note-shadow-sphere.js │ │ ├── note-shadow-tetra.js │ │ ├── note-shadow.js │ │ ├── note-stem.js │ │ └── note.js │ ├── orientation-arm-model.js │ ├── shaders/ │ │ ├── ball-shader.js │ │ ├── bg-tree-shader.js │ │ ├── circle-shader.js │ │ └── shader-chunks.js │ ├── splash.js │ ├── util/ │ │ ├── browserCheck.js │ │ ├── random-range-1d.js │ │ ├── random-range-3d.js │ │ ├── tetrahedron.js │ │ └── trace.js │ └── util.js ├── package.json ├── python/ │ ├── __init__.py │ ├── base/ │ │ ├── __init__.py │ │ ├── api_fixer.py │ │ ├── api_fixer_test.py │ │ ├── constants.py │ │ ├── handlers.py │ │ ├── handlers_test.py │ │ ├── models.py │ │ ├── models_test.py │ │ ├── xsrf.py │ │ └── xsrf_test.py │ ├── country_servers.py │ ├── handlers.py │ ├── main.py │ └── main_test.py ├── static/ │ ├── audio/ │ │ ├── bg.ogg │ │ ├── marimba/ │ │ │ ├── 0.ogg │ │ │ ├── 1.ogg │ │ │ ├── 2.ogg │ │ │ ├── 3.ogg │ │ │ ├── 4.ogg │ │ │ └── 5.ogg │ │ ├── percussion/ │ │ │ ├── 0.ogg │ │ │ ├── 1.ogg │ │ │ ├── 2.ogg │ │ │ ├── 3.ogg │ │ │ ├── 4.ogg │ │ │ └── 5.ogg │ │ └── voice/ │ │ ├── 0.ogg │ │ ├── 1.ogg │ │ ├── 2.ogg │ │ ├── 3.ogg │ │ ├── 4.ogg │ │ └── 5.ogg │ └── models/ │ ├── bg-tree-1.obj │ ├── bg-tree-2.obj │ ├── bg-tree-3.obj │ ├── bg-tree-ring.obj │ ├── controller.dae │ ├── door-frame.obj │ ├── door-glow.obj │ ├── door.dae │ ├── headset.dae │ ├── stump-shadow.obj │ ├── stump.obj │ └── target.obj ├── style/ │ └── splash.scss └── third_party/ └── aframe-daydream-controller-component/ ├── LICENSE ├── METADATA └── daydream-controller.js ================================================ FILE CONTENTS ================================================ ================================================ FILE: .gitignore ================================================ /node_modules /.idea .DS_Store build/main.js *.pyc build/ *.swp .sass-cache npm-debug.log *.asd ================================================ FILE: CONTRIBUTING.md ================================================ # How to contribute We'd love to accept your patches and contributions to this project. 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# Musical Forest Musical Forest is a multiplayer musical experiment in virtual reality. It uses copresence —the synchronization of multiple people in a virtual space— to allow people to play music together in VR. WebSockets are used to sync all of the connected players in real-time. Musical Forest, a [WebVR Experiment](https://webvrexperiments.com/).

## Basic Interaction Each of the shapes triggers a note when it’s hit. Users can navigate the space, play notes and also hear and play with all of the other players in the space at the same time.
![alt text](https://forest.webvrexperiments.com/static/img/MusicalForest.gif "The Musical Forest, mixed reality interaction example")

## Objects & Audio There are three different shapes of musical objects corresponding to three different sets of sounds. Each set has six notes, chosen from a pentatonic scale. * Spheres: Percussion (Conga, Woodblock, COWBELL!) * Triangular Pyramids: Voice + Flute * Cubes: Marimba Sounds are positioned in 3D space using the Web Audio API’s PannerNode.

## Headsets & Interaction Models Musical Forest responsively adapts features depending on the capabilities of the VR Hardware. ### Vive/Oculus Play: hit the shapes with your controller to hear its sound. The volume of the sound changes depending on how hard you hit it.
Create: tap the trigger to create a new shape. Rotate the circular pad to change the note.
Rearrange: place the controller over an existing object, press and hold the trigger to grab it. Move your controller and release to move it to a new space. Hovering your controller over an object and rotating the circular pad will change the type of shape and it’s sound.
Navigation: move within the bounds of your roomscale environment to interact with the objects within the experience. ### Daydream Play: Hit the shapes with your controller to hear their sounds.
Navigation: point the Daydream controller at the ground and a circle will appear. Press the main button on the controller to teleport to that highlighted spot. ### Cardboard Play: gaze at an object and see it glow. Tap the interaction button to hear that object.
Navigation: gaze at the ground and a circle will appear. Tap the interaction button to teleport to the highlighted spot. ### Magic Window Interaction: tap any object to hear the sound of that object.
Navigation: gaze at the ground and a circle will appear. Tap anywhere to teleport to where the reticle is pointing. ### Desktop Interaction: use the mouse to click any object to hear its sound. The volume of the sound is dictated by the object’s distance from the user.
Navigation: use the WASD keys on the keyboard. Use the mouse to change the field of view by clicking in empty space and dragging.

## Technologies Used ### Frontend Musical Forest uses [A-Frame](https://aframe.io) which is built with the WebVR standard and [Tone.js](https://github.com/Tonejs/Tone.js/) for sound. ### Backend The backend is developed in Node.js. To get a full overview of the technologies and libraries used, see the [backend readme](backend/README.md#Description)

## Running the Frontend Code Download the source code, and install all dependencies by running `npm install`. To run the frontend, run `npm start`, this will start a local webserver using `budo` connecting to the default backend server. If you have a local backend server running, append `?server=localhost` to the url.

## Acknowledgements [Manny Tan](https://github.com/mannytan), [Igor Clark](https://github.com/igorclark), [Yotam Mann](https://github.com/tambien), [Alexander Chen](https://github.com/alexanderchen), [Jonas Jongejan](https://github.com/halfdanj), [Jeremy Abel](https://github.com/jeremyabel), [Saad Moosajee](https://github.com/moosajee), Alex Jacobo-Blonder, [Ryan Burke](https://github.com/ryburke), and many others at Google Creative Lab. ================================================ FILE: app.yaml ================================================ # Copyright 2017 Google Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. ########################################################################### # DO NOT MODIFY THIS FILE WITHOUT UNDERSTANDING THE SECURITY IMPLICATIONS # ########################################################################### # The version is automatically generated based on the current git hash. # If there are uncommitted changes, a '-dev' suffix will be added. You do # not need to modify it here. runtime: python27 api_version: 1 threadsafe: true handlers: # - url: / # static_files: "index.html" # secure: always # upload: index\.html # http_headers: # X-Frame-Options: "DENY" # Strict-Transport-Security: "max-age=2592000; includeSubdomains" # X-Content-Type-Options: "nosniff" # X-XSS-Protection: "1; mode=block" - url: /build/ static_dir: build/ secure: always http_headers: X-Frame-Options: "DENY" Strict-Transport-Security: "max-age=2592000; includeSubdomains" X-Content-Type-Options: "nosniff" X-XSS-Protection: "1; mode=block" - url: /static/ static_dir: static/ secure: always http_headers: X-Frame-Options: "DENY" Strict-Transport-Security: "max-age=2592000; includeSubdomains" X-Content-Type-Options: "nosniff" X-XSS-Protection: "1; mode=block" # All URLs should be mapped via the *_ROUTES variables in the src/main.py file. # See https://webapp-improved.appspot.com/guide/routing.html for information on # how URLs are routed in the webapp2 framework. Do not add additional handlers # directly here. - url: /.* script: python.main.app secure: always libraries: - name: django version: latest - name: jinja2 version: latest - name: webapp2 version: latest skip_files: - ^(.*/)?#.*#$ - ^(.*/)?.*~$ - ^(.*/)?.*\.py[co]$ - ^(.*/)?.*/RCS/.*$ - ^(.*/)?\..*$ - README - util.sh - run_tests.py - .*_test.py - js/.* - backend/.* - ^node_modules/(.*/)? - ^(.*/)?app\.yaml - ^(.*/)?app\.yml - ^\.git/.* ================================================ FILE: backend/.babelrc ================================================ { "presets": ["es2015", "stage-2"], "plugins": [] } ================================================ FILE: backend/.gitignore ================================================ # Logs logs *.log npm-debug.log* # tmp/testing scratch tmp *.bak # vim swap files *.swp *.swo # Mac filesystem entries .DS_Store # Runtime data pids *.pid *.seed *.pid.lock # Directory for instrumented libs generated by jscoverage/JSCover lib-cov # Coverage directory used by tools like istanbul coverage # nyc test coverage .nyc_output # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files) .grunt # node-waf configuration .lock-wscript # Compiled binary addons (http://nodejs.org/api/addons.html) build/Release # babel-translated es5 output dist # Dependency directories node_modules jspm_packages # Optional npm cache directory .npm # Optional eslint cache .eslintcache # Optional REPL history .node_repl_history # Output of 'npm pack' *.tgz # Yarn Integrity file .yarn-integrity # vagrant anything .vagrant # allow .gitignore files !.gitignore ================================================ FILE: backend/README.md ================================================ # webvr-experiments: Musical Forest back-end ## Contents * [Description](#description) * [Running the app locally](#running-the-app-locally) * [Deploying in production](#deploying-in-production) * [How the app works](#how-the-app-works) * [Basic operation](#basic-operation) * [Managing state](#managing-state) * [Starting the server](#starting-the-server) * [Handling SSL connections](#handling-ssl-connections) * [Managing connections](#managing-connections) * [Managing peer servers](#managing-peer-servers) * [Managing rooms](#managing-rooms) * [Handling client messages](#handling-client-messages) * [Connecting clients to the server](#connecting-clients-to-the-server) * [Messages](#messages) * [URLs](#urls) * [Interacting in rooms](#interacting-in-rooms) --- ## Description This is the backend server for the Chrome WebVR Experiment [Musical Forest](https://forest.webvrexperiments.com/). It's a dynamic room-based [WebSocket](https://en.wikipedia.org/wiki/WebSocket) server app using Google Cloud [PubSub](https://cloud.google.com/pubsub/) and [Datastore](https://cloud.google.com/datastore/). It's written in Javascript ES6 using [`node.js`](https://nodejs.org/) and the following [`npm`](https://www.npmjs.com/ )modules: * `uws` websocket server * `redux` and `javascript-state-machine` for state management * `redux-sagas` for managing asynchronous/long-running tasks and composite async actions * `@google-cloud/*` for using GCP services * `http-proxy` and `hashring` to distribute connections consistently between app instances * `fast-ratelimit` to hard-limit per-client message rates * `tracer` for logging --- ## Running the app locally #### Install prerequisites * [Install gcloud](https://cloud.google.com/sdk/downloads) * `node.js` LTS version 6 + `npm` (Mac: `brew install node@6 npm` - [notes about installing `node` on Mac with Homebrew](http://apple.stackexchange.com/questions/171530/how-do-i-downgrade-node-or-install-a-specific-previous-version-using-homebrew/207883)) * `gcc` C compiler for native `node.js` modules (Xcode 8.1+ if running on Mac) * [`jq`](https://stedolan.github.io/jq/) (Mac: `brew install jq`) #### Authenticate with GCP ``` gcloud auth login gcloud config set project gcloud auth application-default login ``` #### Install node.js modules `npm install --no-optional` #### Run the app Start the `datastore` & `pubsub` emulators: `npm run emulators` In a new shell, start the app in dev mode using the emulators: `npm run start_emulated` You can now connect to the server from the main web app by appending `?server=ws://localhost:9100` to the URL. #### Test a connection to the app from command line (optional) Install a solid command-line websocket client: * Install [go](https://golang.org/) (Mac: `brew install go # make sure to set up a ${GOPATH} dir & env var`) * `go get -u github.com/hashrocket/ws` Connect to a websocket: * `ws ws://localhost:9100/` (see [URLs](#urls) below regarding viewer types) * _paste in a message, e.g. `{"t":"g_s","d":{"spId":"973c742d-866f-4b25-9ae6-8830e7f13e59"}}` as above_ #### Run multiple local app instances (optional) The app defaults to using ports `8100` for the application server and `9100` for the inter-node connection balancer (see `src/server/server-startup.js` and `src/server/balancer.js`). To run multiple instances, `export WS_SERVER_PORT=` and `export WS_BALANCER_PORT=` in a new shell before running `npm run start_emulated`. Instances will coordinate via the local PubSub and Datastore emulators. --- ## Deploying in production The app is designed to be deployed as a series of single-threaded application instances (pods) running in a Docker container cluster via [Kubernetes](https://kubernetes.io/) on [Google Container Engine](https://cloud.google.com/container-engine/). Deploying and running clustered applications is beyond the scope of this document, but the following configuration and setup points are necessary to run this app in such environments. You'll need to create a `Dockerfile` for your environment along with an `entrypoint` script to run the application on the pods, and modify the application configuration as follows: 1. Your `entrypoint` script must `export` the following environment variables: * `PROJECT_ID` - your Google Cloud Platform project name * `ENVIRONMENT_NAME` - a unique identifier to separate different deployment environments, and keeps Datastore and PubSub resources separate for each deployment within a project. As an example, running the app locally via `package.json` uses your computer's `hostname`; you might want to name a particular deployment by region or type * `LOCAL_IP_ADDRESS` - the private-range IP address by which each pod is accessible and identifies itself to other nodes in the cluster, used by pods to health-check each other when necessary 2. When automatically scaled up or down, application nodes synchronize with new and removed nodes using a PubSub topic. The name of this topic is constructed from your `ENVIRONMENT_NAME` at startup in `src/config.js` 3. Set `PRODUCTION_ENVIRONMENT_PROJECT_ID` and `PRODUCTION_ENVIRONMENT_REQUIRED_ORIGIN` in `src/config.js` to reflect the Google Cloud Platform project name and [WebSocket Origin header](https://en.wikipedia.org/wiki/WebSocket#Protocol_handshake) required for connections to your production cluster Refer to the [Container Engine](https://cloud.google.com/container-engine/docs/) and [Kubernetes](https://kubernetes.io/docs/home/) documentation for further information on how to set up and manage clusters, deployments, services, etc. --- ## How the app works ##### Basic operation The app accepts client connections to its websocket server (`src/server/websocket-server.js`), parses the requested URL to work out headset type and whether a specific room has been chosen, and then tries to connect the client to a room. It maintains state about which clients and spheres are in which room, which rooms are full or available, and handles all communications from and to clients in all rooms. ##### Managing state The app holds state in a `redux` state store (`src/store.js`), mutated in reducers (`src/*/*-reducer.js`) via messages `dispatch()`'d to the store, and accessed from the store in async or composite action sequences (`src/server/server-sagas.js`, `src/rooms/room-sagas.js`, `src/messages/message-sagas.js`) using methods provided by the `redux-sagas` module. ##### Starting the server Servers are started (`src/server/server-startup.js`) via a series of composite actions (`src/server/server-sagas.js`, `src/server/server-setup.js`) defined as `redux-sagas` generator functions, initiated by a server setup action dispatched to the `redux` store at startup (`src/index.js`). The server requires the environment variables `ENVIRONMENT_NAME`, `LOCAL_IP_ADDRESS` and `PROJECT_ID` in order to run. These are set by the `npm` and `gke` startup tasks, according to where the app's being run. ##### Handling SSL connections If the environment variable `USE_SSL` is set to `true`, the server requires the environment variable `SSL_CERT_HOST_NAME` to be set too, and retrieves the SSL certificate for that hostname on startup from a [Google Cloud Storage](https://cloud.google.com/storage/) (GCS) bucket in the GCP project, named `-ssl`. The full certificate chain file (named `fullchain.pem`) and the private key file (`privkey.pem`) must be stored in a sub-folder of that GCS bucket with the same name as the required hostname. ##### Managing connections All connections to a given room are handled by the same instance of the server. The app manages this by running a public/client-facing 'load-balancer' (`src/server/balancer.js`) which proxies client connections either to a local or peer websocket app server, according to which server is associated with the chosen room name in a persistent hash-ring. (See the `hashring` [docs](https://github.com/3rd-Eden/node-hashring) for implementation, and a helpful [explanation](http://blog.plasmaconduit.com/consistent-hashing/).) The hash-ring is stored in the server state (`src/server/server-reducer.js`). When a connection arrives, the server takes the specified room name or chooses one dynamically according to which rooms are available locally (using `avails` in `src/rooms/room-data-reducer.js` and the state machine in `src/rooms/room-state-machine.js'). It then looks up which server should handle the connection in the hash-ring and proxies the connection to that server. References to all websocket connections held by a given server are kept in the server state (`src/server/server-reducer.js`). The only non-store-managed state consists of properties (`id` and current-room info) set directly on websocket connection objects by the websocket server. ##### Managing peer servers In order to maintain a list of peers during automatic scaling of the app in production, the server connects to a PubSub 'sync channel' on startup (`src/server/server-setup.js`), and listens out for sync 'heartbeat' messages from other servers on the channel. It maintains a list of which servers are connected, adding newly-arrived servers to the hash-ring and removing them from it when they time out (stop sending sync heartbeats for a given period). Each server instance periodically writes information about its state and its PubSub subscription to a ServerSubscriptionInfo record in the Datastore (`src/server/server-sagas.js`), allowing the administrator to retrieve aggregate status info, and enabling the app to check up on timed-out or otherwise dead app instances, removing their status info & PubSub subscriptions as appropriate (also in `src/server/server-sagas.js`). ##### Managing rooms The server manages room status info (available, full, setting up, etc) using a state machine (`src/rooms/room-state-machine.js`) for each room, initialised at app startup and accessed via the `redux` store. A series of long-running tasks (`src/rooms/room-sagas.js`) handles activity on the rooms (initialising room content, starting/stopping heartbeats, client activity and sphere hold timeouts) using generator functions managed using the `redux-sagas` module. ##### Handling client messages Clients are restricted to a fixed set of messages which are specified in a JSON schema (`src/messages/message-schema.js`). The websocket server passes received client messages to a message-handler module (`src/messages/message-handler.js`). The message-handler validates incoming messages against the schema (`src/messages/message-validator.js`) and dispatches valid messages to the `redux` state store, using messages constructed from the schema (`src/messages/message-actions.js`). Invalid messages are dropped before getting to dispatch, so any message that gets through at least passes validation. A series of long-running tasks implemented as `redux-sagas` (`src/messages/message-sagas.js`) handle the validated messages and carry out the requested actions, i.e. sending client position updates and interacting with spheres. * All possible message interactions between clients and servers are specified in the JSON schema and carried out in the "sagas" - any messages not specified like so are silently dropped. * Any superfluous information in messages received from clients is silently dropped. * The websocket server rate-limits client messages on both a per-message-type and per-client basis. Default rates are specified in `RATE_LIMIT_INFO` constants (`src/config.js`), and overridden by values retrieved from `PerEnvironmentRateLimitInfo` Datastore records on startup if present (`src/server/server-sagas.js`). You can request the app reload the limit values from Datastore by sending a `SYNC_MESSAGES.LOAD_RATE_LIMITER_INFO` message to the app via PubSub. (That's a deploy/admin task not implemented in the app source, but the mechanism is visible in `sendSyncMessageOfType()` in `src/server/server-sync.js`.) Messages above the thresholds are silently dropped. * Any messages received from clients with a 'viewer' headset-type are silently dropped. --- ## Connecting clients to the server The app accepts standard WebSocket connections to "rooms" in the forest. The server receives messages over the WebSocket, sends responses and broadcasts messages from other occupants of the room all over the same connection. ---- ## Messages Here's an example of the message format: ``` { "f": "81270b00-2dde-4c33-ab4d-6cfc76b46c0c", // 'from' id of client or server sending the message "m": { // message "t": "", "d": "" } } ``` Message labels (e.g. `f` or `m` above) are set as constants in the file `src/messages/message-constants.js`. In front-end and back-end code, messages are always constructed and consumed using the labels as property names rather than fixed properties, so that the values used can be changed to friendly names during development if required, and restricted to short strings for use in production. --- ## URLs Clients make connections via URLs of the format `ws://://`. `` can be `3dof`, `6dof` or `viewer`. Any action messages sent by `viewer` connections are dropped by the server when running in production. * To join a specific room, supply both the `` and `` URL components. * To have a room chosen for you, supply only the `` component. Any other URLs are invalid and connections to them will be closed immediately with an `INVALID_URL` (`i_u`) message: ``` { "f": "81270b00-2dde-4c33-ab4d-6cfc76b46c0c", "m": { "t": "i_u" // invalid_url } } ``` --- ## Interacting in rooms * All interactions with the server are carried out using messages in the above format over the websocket connection. * Clients don't need to identify themselves with `` fields, as IDs are associated directly with client websocket connections on the server. * The server validates messages received from clients against the appropriate JSON schema for their ``, and immediately drops anything non-conforming, according to the schema in `src/messages/message-schema.js`. It also removes any superfluous content/properties in the messages before storing anything to the room state or broadcasting updates to other clients in the room. ### Joining a room When the first client joins a room, the server kicks off a heartbeat, and sends an incrementing `ROOM_HEARTBEAT` (`r_h`) sync message to all clients present in the room, every 5 seconds: ``` { "f": "a738cbe0-4dac-4389-aa20-1e6a86c166a9", "m": { "t": "r_h", "d": { "c": 3, // heartbeat count since room start "s": 15 // heartbeat seconds since room start } } } ``` When a new client joins a room, it gets sent a `CONNECTION_INFO` (`c_i`) message containing its ID and the ID of the server it's connected to: ``` { "f": "a738cbe0-4dac-4389-aa20-1e6a86c166a9", "m": { "t": "c_i", "d": { "cId": "cb439961-3b57-4403-bcc5-208b47565dd1", // clientId "srId": "a738cbe0-4dac-4389-aa20-1e6a86c166a9" // serverId } } } ``` ... followed immediately by a `ROOM_STATUS_INFO` (`r_s_i`) message containing the `ROOM_NAME` (`r_n`), a list of other occupants of the room grouped by viewer type and keyed by their IDs, and a list of spheres in the room with their tones & positions: ``` { "f": "a738cbe0-4dac-4389-aa20-1e6a86c166a9", "m": { "t": "r_s_i", "d": { "rn": "ctyw", // room name "sb": 1, // soundbank "c": { // clients, grouped by type "3dof": [ "cb439961-3b57-4403-bcc5-208b47565dd1" ] }, "s": { // spheres "6567cbaa-e6c5-457f-b338-2949b13ff17a": { "t": 4, // tone "p": { // position "x": -0.5858704723117225, "y": 1.4647926895710155, "z": 0.2328255217809887 } }, "0e19b0dd-a90b-4fc8-93d5-24a96365ce2c": { "t": 6, "p": { "x": -0.07124214717156585, "y": 0.9642806694401945, "z": 1.181824016202171 } } } } } } ``` Existing clients get a `ROOM_CLIENT_JOIN` (`r_c_j`) message indicating a new client has joined along with its id: ``` { "f": "a738cbe0-4dac-4389-aa20-1e6a86c166a9", "m": { "t": "r_c_j", "d": { "cId": "6211a260-d86e-4db9-be00-bd2eba1c2794", // clientId "ht": "3dof" // headsetType } } } ``` If the server is full, overloaded or in the process of scaling, the server sends a `BUSY_TRY_AGAIN` (`b_t_a`) message, in which case the client should just try to connect again: ``` { "f": "d02922d2-6db0-4ad1-93e1-0d778250461e", "m": { "t": "b_t_a", "d": {} } } ``` ### Leaving a room Clients can disconnect by sending a `ROOM_EXIT` (`r_e`) message: ``` { "t": "e_r" } ``` in which case the server will send a `ROOM_EXIT_SUCCESS` (`r_e_s`) message and close the connection: ``` { "f": "d1e313ee-9eac-47e5-9b9f-5daee88a8057", "m": { "t": "r_e_s", "d": { "rn": "batr" // room name } } } ``` The client can also just close the websocket connection. 😏 When a client disconnects, its positional data is removed from the room state and any remaining clients get a `ROOM_CLIENT_EXIT` (`r_c_e`) message telling them it's left: ``` { "f": "81270b00-2dde-4c33-ab4d-6cfc76b46c0c", "m": { "t": "r_c_e", "d": { "cId": "56252c73-2801-4fff-86f9-d214bdd52b94" } } } ``` ### In-room actions Once connected to a room, clients can send positional info, and interact with spheres in the room. All interactions are carried out using the following messages. #### `UPDATE_CLIENT_COORDS` (`u_c_c`) This is the most frequent message clients send, notifying a change in client position: ``` { "t": "u_c_c", "d": { "r": { // right "r": { // rotation "x": 9.234324, "y": 55.232423, "z": 7.234234 }, "p": { // position "x": 19.54384, "y": 25.3323, "z": 9.81832 } }, "l": { // left "r": { "x": 9.234324, "y": 55.232423, "z": 7.234234 }, "p": { "x": 19.54384, "y": 25.3323, "z": 9.81832 } }, "h": { // head "r": { "x": 9.234324, "y": 55.232423, "z": 7.234234 }, "p": { "z": 79.618, "y": 0, "x": 19.888 } } } } ``` These are broadcast to other clients in the same room as `ROOM_CLIENT_COORDS_UPDATED` (`r_c_c_u`), providing rotation (`r`) and position (`p`) coordinates for each of head (`h`), left hand (`l`) and right hand (`r`): ``` { "f": "41bd2e10-0f67-4b14-acee-84eeed1764b7", "m": { "t": "r_c_c_u", "d": { "r": { "r": { "x": 9.234324, "y": 55.232423, "z": 7.234234 }, "p": { "x": 19.54384, "y": 25.3323, "z": 9.81832 } }, "l": { "r": { "x": 9.234324, "y": 55.232423, "z": 7.234234 }, "p": { "x": 19.54384, "y": 25.3323, "z": 9.81832 } }, "h": { "r": { "x": 9.234324, "y": 55.232423, "z": 7.234234 }, "p": { "z": 79.618, "y": 0, "x": 19.888 } } } } } ``` Clients can optionally include sphere positions in the `UPDATE_CLIENT_COORDS` messages, for any spheres they currently hold (see below). To do so, they add an extra `spheres` object at the same level as the `head`, `left` and `right`: ``` { "f": "41bd2e10-0f67-4b14-acee-84eeed1764b7", "m": { "t": "r_c_c_u", "d": { "s": [ // spheres { "spId": "df0a769c-653d-44ec-9f17-e5a9d2c0f167", "p": { "x": 156, "y": 22, "z": 10 } }, { "spId": "69143b9a-1342-4aec-a7da-1daac29cee3d", "p": { "x": 2, "y": 3, "z": 4 } } ], "r": { [...] }, // right "l": { [...] }, // left "h": { [...] } // head } } } ``` Clients can interact with spheres in the room by sending messages as follows. #### `CREATE_SPHERE_OF_TONE_AT_POSITION` (`c_s_o_t_a_p`) ``` { "t": "c_s_o_t_a_p", "d": { "t": 0, // tone "p": { // position "x": 1, "y": 1, "z": 3 } } } ``` On successful creation, the server sends a `CREATE_SPHERE_SUCESS` (`c_s_s`) message: ``` { "f": "81270b00-2dde-4c33-ab4d-6cfc76b46c0c", // from "m": { "t": "c_s_s", "d": { "spId": "cad0a7d4-a055-49b2-a3f8-4e08d636dbce" } } } ``` #### `GRAB_SPHERE` (`g_s`) ``` { "t": "g_s", "d": { "spId": "090253c9-1c68-44c2-8aac-dba707c6aef7" } } ``` On successful grab, server sends `GRAB_SPHERE_SUCCESS` (`g_s_s`): ``` { "f": "81270b00-2dde-4c33-ab4d-6cfc76b46c0c", "m": { "t": "g_s_s", "d": { "spId": "31654801-9e61-4a5e-bdd6-a29e8ecd1001" } } } ``` Before accepting a grab, the server checks its state to see whether the sphere exists and whether it's already held by any other clients. Any problems are communicated back to the client. Possible errors are: `NON_EXISTENT_SPHERE` (`n_e_s`) ``` { "f": "81270b00-2dde-4c33-ab4d-6cfc76b46c0c", "m": { "t": "n_e_s", "d": { "spId": "66b93b19-03d6-4220-b44f-5b33d5d59269" // sphereId } } } ``` `CLIENT_HOLDING_SPHERE` (`c_h_s`): ``` { "f": "81270b00-2dde-4c33-ab4d-6cfc76b46c0c", "m": { "t": "c_h_s", "d": { "spId": "29312c56-b1a5-4530-8c7b-2c968e158683", "hId": "1eec65a7-2c9a-4fe4-a998-55d3f1754f21" // holderId - same as client in this case } } } ``` `SPHERE_ALREADY_HELD` (`s_a_h`) by another client: ``` { "f": "81270b00-2dde-4c33-ab4d-6cfc76b46c0c", "m": { "t": "s_a_h", "d": { "spId": "66b93b19-03d6-4220-b44f-5b33d5d59269", "hId": "055fa916-5e99-44dd-9e23-2f9323bb6f4c" } } } ``` `CLIENT_HOLDING_MAX_SPHERES` (`c_h_m_s`) - a client can only hold one sphere in each hand: ``` { "f": "81270b00-2dde-4c33-ab4d-6cfc76b46c0c", "m": { "t": "c_h_m_s", "d": {} } } ``` A successful grab creates a "hold" on the sphere, stopping other clients from acting on the sphere, and lasting until either the client sends a `RELEASE_SPHERE` (`r_s`) message, or is inactive (sends no messages relating to the held sphere) for a period defined in `roomConstants.SPHERE_INFO.SPHERE_HOLD_TIMEOUT`, in the file `src/rooms/room-data-constants.js`, currently set to 10 seconds. If the hold times out, the server sends a `SPHERE_HOLD_TIMEOUT` (`s_h_t`) to the client: ``` { "f": "81270b00-2dde-4c33-ab4d-6cfc76b46c0c", "m": { "t": "s_h_t", "d": { "spId": "922fbed6-5c57-4c14-bf0f-080abf5fa285" } } } ``` and a `ROOM_SPHERE_RELEASED` (`r_s_r`) message to any other clients in the room: ``` { "f": "81270b00-2dde-4c33-ab4d-6cfc76b46c0c", "m": { "t": "r_s_r", "d": { "spId": "922fbed6-5c57-4c14-bf0f-080abf5fa285", "cId": "1fe992a5-05d9-4791-8482-c598f31dbe22" } } } ``` #### `RELEASE_SPHERE` (`r_s`) ``` { "t": "r_s", "d": { "spId": "6f0e19bd-2451-43a0-be9d-b6e208e65ee2" } } ``` On receiving a `RELEASE_SPHERE` message, the server checks that the client is holding it, and if so sends a `RELEASE_SPHERE_SUCCESS` (`r_sp_s`) message to the client: ``` { "f": "81270b00-2dde-4c33-ab4d-6cfc76b46c0c", "m": { "t": "r_sp_s", "d": { "spId": "a62cabcd-e7d9-4687-beac-0c6c7fb9b953" } } } ``` and a `ROOM_SPHERE_RELEASED` (`r_s_r`) message to any other clients in the room: ``` { "f": "81270b00-2dde-4c33-ab4d-6cfc76b46c0c", "m": { "t": "r_s_r", "d": { "spId": "a62cabcd-e7d9-4687-beac-0c6c7fb9b953", "cId": "d8f59526-60b6-47ee-ab86-f39f441b8aaa" // released by this client } } } ``` Possible errors are `NON_EXISTENT_SPHERE` (as in `GRAB_SPHERE` above) and `RELEASE_SPHERE_INVALID` (`r_sp_i`): ``` { "f": "d1e313ee-9eac-47e5-9b9f-5daee88a8057", "m": { "t": "r_sp_i", "d": { "spId": "9c674bab-e2a6-4588-beff-2342d10a97b0" } } } ``` #### `DELETE_SPHERE` (`d_s`) ``` { "t": "d_s", "d": { "spId": "cfa16485-51e5-4db0-b54a-1cab6b6f003f" } } ``` On successful delete the server sends `DELETE_SPHERE_SUCCESS` (`d_s_s`): ``` { "f": "d1e313ee-9eac-47e5-9b9f-5daee88a8057", "m": { "t": "d_s_s", "d": { "spId": "cfa16485-51e5-4db0-b54a-1cab6b6f003f" } } } ``` and notifies any other clients with a `ROOM_SPHERE_DELETED` (`r_s_d`) message: ``` { "f": "5e44fd4e-54cb-42d7-ac41-f381a3844fee", "m": { "t": "r_s_d", "d": { "spId": "9de12a8d-96a4-42e8-842e-4230db33b306", "cId": "5e44fd4e-54cb-42d7-ac41-f381a3844fee" } } } ``` Possible errors include `NON_EXISTENT_SPHERE` (as above), `DELETE_SPHERE_DENIED` (`d_s_d`) if another client is holding the sphere: ``` { "f": "d1e313ee-9eac-47e5-9b9f-5daee88a8057", "m": { "t": "d_s_d", "d": { "spId": "9de12a8d-96a4-42e8-842e-4230db33b306", "hId": "9847a6ac-ae7c-43a8-8599-83b3079c9f1a" } } } ``` #### `STRIKE_SPHERE` (`s_s`) ``` { "t": "s_s", "d": { "spId": "aabb5ecd-1662-4db5-91f9-6bd1d8f2b0f9", "v": 0.5 } } ``` Sphere strikes are broadcast to other clients in the room via a `ROOM_SPHERE_STRUCK` (`r_s_s`) message: ``` { "f": "1a3823f3-79e6-4cd1-9e33-2044d16da300", "m": { "t": "r_s_s", "d": { "spId": "aabb5ecd-1662-4db5-91f9-6bd1d8f2b0f9", "v": 0.5, "cId": "1a3823f3-79e6-4cd1-9e33-2044d16da300" } } } ``` Strikes sent to non-existent spheres are silently dropped. #### `SET_SPHERE_TONE` (`s_s_t`) ``` { "t": "s_s_t", "d": { "spId": "99c2989c-beba-4c3f-acb9-6f5fe5e4ec33", "t": 10 // tone } } ``` On successful set, the server sends a `SET_SPHERE_TONE_SUCCESS` (`s_s_t_s`) message: ``` { "f": "d1e313ee-9eac-47e5-9b9f-5daee88a8057", "m": { "t": "s_s_t_s", "d": { "spId": "99c2989c-beba-4c3f-acb9-6f5fe5e4ec33" } } } ``` and notifies other clients of the change in tone with a `ROOM_SPHERE_TONE_SET` (`r_s_t_s`) message: ``` { "f": "d1e313ee-9eac-47e5-9b9f-5daee88a8057", "m": { "t": "r_s_t_s", "d": { "spId": "cd3aa6cf-f15c-4d7a-be6e-d862912fbd62", "t": 10, // tone "cId": "13eb8894-330a-4e37-8ce3-645edf3c6773" } } } ``` Clients don't need to hold a sphere to set its tone, but if it's currently held by another client, the server will send a `SET_SPHERE_TONE_DENIED` (`s_s_t_d`) message: ``` { "f": "d1e313ee-9eac-47e5-9b9f-5daee88a8057", "m": { "t": "s_s_t_d", "d": { "spId": "99c2989c-beba-4c3f-acb9-6f5fe5e4ec33", "hId": "9e8e4e40-a523-4345-8e21-b274177fe073" } } } ``` As above, the server will send a `NON_EXISTENT_SPHERE` message if the specified sphere doesn't exist in the room. #### `SET_SPHERE_CONNECTIONS` (`s_s_c`) ``` { "t": "s_s_c", "d": { "spId": "973c742d-866f-4b25-9ae6-8830e7f13e59", "c": [ // connections "221c3e00-c0e9-4bd9-bdb3-187c5dcf5499", "03d6c324-73e0-4804-9b84-9b203a303a38" ] } } ``` As in `SET_SPHERE_TONE`, clients don't need to hold a sphere to set its connections, but if it's currently held by another client, the server will send a `SET_SPHERE_CONNECTIONS_DENIED` (`s_s_c_d`) message: ``` { "f": "d1e313ee-9eac-47e5-9b9f-5daee88a8057", "m": { "t": "s_s_c_d", "d": { "spId": "973c742d-866f-4b25-9ae6-8830e7f13e59", "hId": "7bf0b7a2-ee3e-4b76-9d68-675aa4e97f2a" } } } ``` As above, the server will send a `NON_EXISTENT_SPHERE` message if the specified sphere doesn't exist in the room. ================================================ FILE: backend/package.json ================================================ { "name": "webvr-musicalforest-backend", "version": "1.0.0", "description": "node.js websocket app server for forest.webvrexperiments.com", "main": "index.js", "scripts": { "start": "ENVIRONMENT_NAME=$(hostname) LOCAL_IP_ADDRESS=$(/sbin/ifconfig en0|grep -w inet|awk '{print $2}') PROJECT_ID=$(gcloud config list project --format json | jq -r .core.project) babel-node src/index.js", "build": "babel src -d dist", "clean": "rm -rf dist", "serve": "NODE_ENV=production ENVIRONMENT_NAME=$(hostname) LOCAL_IP_ADDRESS=$(/sbin/ifconfig en0|grep -w inet|awk '{print $2}') PROJECT_ID=$(gcloud config list project --format json | jq -r .core.project) node dist/index.js", "emulators": "parallelshell 'gcloud beta emulators datastore start --no-store-on-disk' 'gcloud beta emulators pubsub start'", "start_emulated": "$(gcloud beta emulators datastore env-init) && $(gcloud beta emulators pubsub env-init) && NODE_ENV=production npm start" }, "repository": { "type": "git", "url": "https://github.com/googlecreativelab/webvr-musicalforest/" }, "author": "Google Creative Lab", "license": "Apache-2.0", "devDependencies": { "babel-cli": "6.18.0", "babel-polyfill": "6.16.0", "babel-preset-es2015": "6.18.0", "babel-preset-stage-2": "6.18.0", "mocha": "3.2.0", "nodemon": "1.11.0", "parallelshell": "^2.0.0" }, "dependencies": { "@google-cloud/datastore": "0.7.0", "@google-cloud/logging": "0.7.0", "@google-cloud/pubsub": "0.8.0", "@google-cloud/storage": "0.7.0", "ajv": "4.10.0", "arrify": "1.0.1", "dateformat": "2.0.0", "express": "4.14.0", "fast-ratelimit": "2.0.6", "grpc": "1.0.1", "hashring": "3.2.0", "hashtable": "2.0.1", "http-proxy": "1.16.2", "javascript-state-machine": "2.4.0", "node-fetch": "1.6.3", "object-sizeof": "1.1.1", "redux": "3.6.0", "redux-actions": "1.1.0", "redux-saga": "0.14.3", "tracer": "0.8.7", "uuid": "3.0.1", "uws": "0.14.1" } } ================================================ FILE: backend/src/config.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import fs from 'fs'; import uuid from 'uuid'; import dateformat from 'dateformat'; import storage from '@google-cloud/storage'; import messageConstants from './messages/message-constants'; import serverConstants from './server/server-constants'; import { formatStringAsGcpResourceName } from './utils/string-utils'; const logError = ( errorMsg ) => { let ts = dateformat( new Date(), LOG_DATE_FORMAT ); console.error( `[${SHORT_SERVER_ID}|${ts}] => `, errorMsg ); }; /******************************************************************************* * REQUIRED ENVIRONMENT VARIABLES *******************************************************************************/ // nothing will work without a GCP PROJECT_ID if( !process.env.PROJECT_ID ) { logError( `PROJECT_ID not specified, exiting.` ); process.exit( serverConstants.ERROR_TYPES.BAD_OS_EXIT_ERROR_CODE ); } const PROJECT_ID = process.env.PROJECT_ID; // nothing will work without a LOCAL_IP_ADDRESS if( !process.env.LOCAL_IP_ADDRESS ) { logError( `LOCAL_IP_ADDRESS not specified, exiting.` ); process.exit( serverConstants.ERROR_TYPES.BAD_OS_EXIT_ERROR_CODE ); } const LOCAL_IP_ADDRESS = process.env.LOCAL_IP_ADDRESS; // nothing will work without an ENVIRONMENT_NAME if( !process.env.ENVIRONMENT_NAME ) { logError( `ENVIRONMENT_NAME not specified, exiting.` ); process.exit( serverConstants.ERROR_TYPES.BAD_OS_EXIT_ERROR_CODE ); }; const ENVIRONMENT_NAME = process.env.ENVIRONMENT_NAME; /******************************************************************************* * LOG FORMAT INFO *******************************************************************************/ // generate a server id const SERVER_ID = uuid(); const SHORT_SERVER_ID = SERVER_ID.split( '-' ).slice(0, 2).join( '-' ); const LOG_DATE_FORMAT = "yyyymmdd|HH:MM:ss.l"; /******************************************************************************* * PUBSUB SYNC CHANNEL INFO *******************************************************************************/ // setup PubSub sync channel topic name, distinct per execution group // e.g. 'gce', 'gke', 'mymac.config' const syncTopicNameComponents = [ serverConstants.SYNC_INFO.SYNC_TOPIC_NAME, '-', ENVIRONMENT_NAME ]; const SYNC_TOPIC_NAME = formatStringAsGcpResourceName( syncTopicNameComponents.join( '' ) ); // only log to Stackdriver explicitly if requested const LOG_TO_CLOUD = process.env.LOG_TO_CLOUD === 'true' ? true : false; /******************************************************************************* * NETWORK IP/PORT INFO *******************************************************************************/ // set up some defaults const WS_SERVER_PORT = process.env.WS_SERVER_PORT ? Number( process.env.WS_SERVER_PORT ) : 8100; const WS_BALANCER_PORT = process.env.WS_BALANCER_PORT ? Number( process.env.WS_BALANCER_PORT ) : 9100; const MAX_CLIENTS_PER_ROOM = process.env.MAX_CLIENTS_PER_ROOM ? Number( process.env.MAX_CLIENTS_PER_ROOM ) : 10; // construct balancer identifier const LOCAL_IP_PORT_STRING = `${LOCAL_IP_ADDRESS}:${WS_SERVER_PORT}`; /******************************************************************************* * SSL INFO FOR HOSTING ON GKE *******************************************************************************/ // GKE deploys provide USE_SSL=true in the environment const USE_SSL = process.env.USE_SSL === "true" ? true : false; // tell the app whether to serve SSL let SSL_INFO = { useSsl: USE_SSL }; // if so, set up the certificate info if( USE_SSL === true ) { // make sure there's a specified certificate name if( !process.env.SSL_CERT_HOST_NAME ) { logError( `USE_SSL=true requires a specified SSL_CERT_HOST_NAME` ); process.exit( serverConstants.ERROR_TYPES.BAD_OS_EXIT_ERROR_CODE ); } // prepare for export, set up GCS bucket/file info SSL_INFO.sslCertHostName = process.env.SSL_CERT_HOST_NAME; SSL_INFO.sslStorageBucketName = `${PROJECT_ID}-ssl`; SSL_INFO.privKeyFileName = `${process.env.SSL_CERT_HOST_NAME}/privkey.pem`; SSL_INFO.fullChainFileName = `${process.env.SSL_CERT_HOST_NAME}/fullchain.pem`; } /******************************************************************************* * ROOM CHOICE THRESHOLD CONFIGS *******************************************************************************/ // provide shortcuts for headset type constants const HT_3DOF = messageConstants.HEADSET_TYPES.HEADSET_TYPE_3DOF; const HT_6DOF = messageConstants.HEADSET_TYPES.HEADSET_TYPE_6DOF; const HT_VIEWER = messageConstants.HEADSET_TYPES.HEADSET_TYPE_VIEWER; // set up headset threshold rules const HEADSET_RULES = { [ HT_3DOF ]: { threshold: 3 }, [ HT_6DOF ]: { threshold: 3 }, [ HT_VIEWER ]: { threshold: 10 } }; /******************************************************************************* * CHOICE OF WHETHER TO TIMEOUT SPHERE HOLDS AUTOMATICALLY *******************************************************************************/ const TIMEOUT_SPHERE_HOLDS = process.env.TIMEOUT_SPHERE_HOLDS === 'false' ? false : true;; /******************************************************************************* * CHOICE OF WHETHER TO DROP VIEWER MESSAGES *******************************************************************************/ const DROP_VIEWER_MESSAGES_IN_PRODUCTION = process.env.DROP_VIEWER_MESSAGES_IN_PRODUCTION === 'true' ? true : false; /******************************************************************************* * CHOICE OF WHETHER TO RATE LIMIT CLIENT/SPHERE POSITION UPDATES *******************************************************************************/ const PER_CLIENT_RATE_LIMIT = process.env.PER_CLIENT_RATE_LIMIT === 'false' ? false : true; const PER_MESSAGE_TYPE_RATE_LIMIT = process.env.PER_MESSAGE_TYPE_RATE_LIMIT === 'false' ? false : true; const RATE_LIMIT_INFO = { perClientRateLimit: PER_CLIENT_RATE_LIMIT, // switch per-clientrate limiting on or off perMessageTypeRateLimit: PER_MESSAGE_TYPE_RATE_LIMIT, // switch rate limiting on or off perTypeMsgThreshold: 1, // 1 message of each type per client perTypeMsgTtl: 0.2, // per 200ms perClientMsgThreshold: 20, // 20 message of any type per client perClientMsgTtl: 1 // per 1s }; /******************************************************************************* * NAME OF PRODUCTION ENVIRONMENT GCP PROJECT *******************************************************************************/ const PRODUCTION_ENVIRONMENT_PROJECT_ID = ''; const PRODUCTION_ENVIRONMENT_REQUIRED_ORIGIN = ''; /******************************************************************************* * EXPORT CONFIG *******************************************************************************/ export default { environmentName: ENVIRONMENT_NAME, syncTopicName: SYNC_TOPIC_NAME, logDateFormat: LOG_DATE_FORMAT, logToCloud: LOG_TO_CLOUD, localIpAddress: LOCAL_IP_ADDRESS, localIpPortString: LOCAL_IP_PORT_STRING, serverPort: WS_SERVER_PORT, balancerPort: WS_BALANCER_PORT, projectId: PROJECT_ID, dropViewerMessagesInProduction: DROP_VIEWER_MESSAGES_IN_PRODUCTION, productionEnvironmentProjectId: PRODUCTION_ENVIRONMENT_PROJECT_ID, productionEnvironmentRequiredOrigin: PRODUCTION_ENVIRONMENT_REQUIRED_ORIGIN, maxClientsPerRoom: MAX_CLIENTS_PER_ROOM, clientRoomJoinDeadlineInMs: 5000, roomHeartbeatDelayInMs: 5000, serverId: SERVER_ID, shortServerId: SHORT_SERVER_ID, sslInfo: SSL_INFO, headsetRules: HEADSET_RULES, rateLimitInfo: RATE_LIMIT_INFO, timeoutSphereHolds: TIMEOUT_SPHERE_HOLDS }; ================================================ FILE: backend/src/datastore/datastore-constants.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const DATASTORE = { // entity types DS_ENTITY_KEY_SERVER_SUBSCRIPTION_INFO: 'ServerSubscriptionInfo', DS_ENTITY_KEY_PER_ENVIRONMENT_RATE_LIMIT_INFO: 'PerEnvironmentRateLimitInfo' }; export default DATASTORE; ================================================ FILE: backend/src/datastore/index.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import datastore from '@google-cloud/datastore'; import config from '../config'; import { logger } from '../logger'; import datastoreConstants from './datastore-constants'; // create a module-wrapped datastore client object at startup let dsClient = ( ( conf ) => { if( !dsClient ) { if( process.env.DATASTORE_EMULATOR_HOST ) { logger.info( `using Datastore emulator running at ${process.env.DATASTORE_EMULATOR_HOST}` ); } else { logger.info( `using live Datastore on GCP` ); } dsClient = datastore( conf ); } return dsClient; })( config ); const runQuery = function* ( query ) { return yield dsClient.runQuery( query ); }; const save = function* ( entities ) { return yield dsClient.save( entities ); }; const key = function ( keyComponents ) { return dsClient.key( keyComponents ); }; // export functions to the default namespace, to make a 'datastore' import for other modules export default { runQuery, save, key }; // export constants individually, to make a { datastoreConstants } import for other modules export { datastoreConstants, dsClient } ================================================ FILE: backend/src/index.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import "babel-polyfill"; import config from './config'; import { dispatchStoreAction } from './store'; import { logger } from './logger'; import { serverActions } from './server'; // create a server setup request action let setupAction = serverActions.startServerSetupRequestAction(); /* * dispatch the setup request to the store. * all the action now happens via setupServer() in * server/server-sagas.js */ dispatchStoreAction( setupAction ); ================================================ FILE: backend/src/logger/cloud-logger.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import Logging from '@google-cloud/logging'; import config from '../config'; import { formatStringAsGcpResourceName } from '../utils/string-utils'; // create a client const loggingClient = Logging( config ); // the name of the log to write to const logName = formatStringAsGcpResourceName( `${config.environmentName}-cloud-app-log` ); // choose a log to write to const selectedLog = loggingClient.log( logName ); // set up resource metadata const metadata = { resource: { type: 'project', labels: { project_id: config.projectId } } }; // log function wrapper const writeCloudLogEntry = ( tracerData ) => { const entry = selectedLog.entry( metadata, tracerData.output ); selectedLog.write(entry).catch( ( error ) => { console.error( `error logging message: ${error.message}` ); } ); }; export { writeCloudLogEntry }; ================================================ FILE: backend/src/logger/index.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import tracer from 'tracer'; import config from '../config'; import { writeCloudLogEntry } from './cloud-logger'; let selectedConsole = config.logToCloud ? tracer.console : tracer.colorConsole; let consoleOptions = { format: "[{{shortServerId}}|{{timestamp}}] {{sigil}} {{message}} [{{file}}:{{line}}]", dateformat: config.logDateFormat, preprocess: (data) => { data.shortServerId = config.shortServerId; data.localIpAddress = config.localIpAddress; data.sigil = { error: `=>`, warn: `**`, info: `->`, debug: `||`, trace: `##`, log: `` }[ data.title ]; } }; // only do info() and above in production if( config.projectId === config.productionEnvironmentProjectId ) { consoleOptions.level = 'info'; consoleOptions.format = "[{{shortServerId}}|{{localIpAddress}}|{{timestamp}}] {{sigil}} {{message}} [{{file}}:{{line}}]"; } // write log via Stackdriver API? if( config.logToCloud ) { consoleOptions.transport = writeCloudLogEntry; } let l = selectedConsole( consoleOptions ); let logger = { error: l.error, warn: l.warn, info: l.info, debug: l.debug, trace: l.trace, log: l.log }; export { logger }; ================================================ FILE: backend/src/messages/index.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import messageActions from './message-actions'; import messageConstants from './message-constants'; import messageHandler from './message-handler'; import messageSagas from './message-sagas'; import messageValidator from './message-validator'; export { messageActions, messageConstants, messageHandler, messageSagas, messageValidator }; ================================================ FILE: backend/src/messages/message-actions.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import messageConstants from './message-constants'; import { messageSchema } from './message-schema'; /******************************************************************************* * * reference of data structure from JSON schema * * { * definitions: { * ..., * room_client_position_update: * { type: 'object', * properties: [Object], * required: [Object] } * }, * * properties: { * ..., * room_client_position_update: * { '$ref': '#/definitions/room_client_position_update' } * } * } * * room_client_position_update: { type: { type: 'string', minLength: 29, maxLength: 29 }, * data: * { type: 'object', * properties: * { head: [Object], * left: [Object], * right: [Object], * userdata: [Object] }, * required: [ 'head', 'left', 'right' ] } } * ********************************************************************************/ /******************************************************************************* * see https://github.com/acdlite/redux-actions * * redux-actions generates action request objects for use as triggers in redux. * * example: * { * type: 'INCREMENT', * payload: 42, * otherVar: true * } * *******************************************************************************/ // generates 'redux-actions' action functions for all incoming message types in schema const messageRequestActions = Object.keys( messageSchema.properties ).reduce( // for each key in messageSchema.properties ( acc, type ) => { // create a function which ... let fn = function() { // combines the provided type with fn args to generate an action request object return Object.assign( { type }, arguments[ 0 ] ); }; // key the function by the incoming message type name, to export them all acc[ type ] = fn; return acc; }, {} // empty starting accumulator ); // export the generated functions for use as "import messageActions from 'message-actions'" export default messageRequestActions; ================================================ FILE: backend/src/messages/message-constants.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const sphereIdLabel = 'spId'; const clientIdLabel = 'cId'; const holderIdLabel = 'hId'; const serverIdLabel = 'srId'; const toneLabel = 't'; const positionLabel = 'p'; const rotationLabel = 'r'; const headLabel = 'h'; const leftLabel = 'l'; const rightLabel = 'r'; const sphereLabel = 's'; const headsetTypeLabel = 'ht'; const velocityLabel = 'v'; const connectionsLabel = 'c'; const meristemLabel = 'm'; const fromLabel = 'f'; const typeLabel = 't'; const dataLabel = 'd'; const msgLabel = 'm'; const roomNameLabel = 'rn'; const soundbankLabel = 'sb'; const clientsLabel = 'c'; const spheresLabel = 's'; const INCOMING_MESSAGE_TYPES = { EXIT_ROOM: 'e_r', UPDATE_CLIENT_COORDS: 'u_c_c', // position msg for individual client CREATE_SPHERE_OF_TONE_AT_POSITION: 'c_s_o_t_a_p', GRAB_SPHERE: 'g_s', RELEASE_SPHERE: 'r_s', DELETE_SPHERE: 'd_s', STRIKE_SPHERE: 's_s', SET_SPHERE_TONE: 's_s_t', SET_SPHERE_CONNECTIONS: 's_s_c' }; const INCOMING_MESSAGE_COMPONENTS = { ALL_MESSAGES: { FROM: fromLabel, MSG: msgLabel, TYPE: typeLabel, DATA: dataLabel }, REFERENCES: { COORDINATE: 'coordinate', COORDINATE_SET: 'coordinateSet' }, REF_COORDINATE: { X: 'x', Y: 'y', Z: 'z' }, REF_COORDINATE_SET: { POSITION: positionLabel, ROTATION: rotationLabel }, UPDATE_CLIENT_COORDS: { HEAD: headLabel, LEFT: leftLabel, RIGHT: rightLabel, SPHERES: spheresLabel, SPHERE_ID: sphereIdLabel, SPHERE_POSITION: positionLabel }, CREATE_SPHERE_OF_TONE_AT_POSITION: { TONE: toneLabel, POSITION: positionLabel }, GRAB_SPHERE: { SPHERE_ID: sphereIdLabel }, RELEASE_SPHERE: { SPHERE_ID: sphereIdLabel }, DELETE_SPHERE: { SPHERE_ID: sphereIdLabel }, STRIKE_SPHERE: { SPHERE_ID: sphereIdLabel, VELOCITY: velocityLabel }, SET_SPHERE_TONE: { SPHERE_ID: sphereIdLabel, TONE: toneLabel }, SET_SPHERE_CONNECTIONS: { SPHERE_ID: sphereIdLabel, CONNECTIONS: connectionsLabel } }; const OUTGOING_MESSAGE_TYPES = { CONNECTION_INFO: 'c_i', // sent to new clients on connect ROOM_STATUS_INFO: 'r_s_i', // sent to new clients on joining a room ROOM_EXIT_SUCCESS: 'r_e_s', // sent to clients leaving a room ROOM_HEARTBEAT: 'r_h', // server heartbeat message for a room ROOM_CLIENT_JOIN: 'r_c_j', // sent to existing clients on client join ROOM_CLIENT_EXIT: 'r_c_e', // sent to remaining clients on client exit ROOM_CLIENT_COORDS_UPDATED: 'r_c_c_u', ROOM_SPHERE_CREATED: 'r_s_c', ROOM_SPHERE_GRABBED: 'r_s_g', ROOM_SPHERE_POSITION_UPDATED: 'r_s_p_u', ROOM_SPHERE_TONE_SET: 'r_s_t_s', ROOM_SPHERE_CONNECTIONS_SET: 'r_s_c_s', ROOM_SPHERE_RELEASED: 'r_s_r', ROOM_SPHERE_STRUCK: 'r_s_s', ROOM_SPHERE_DELETED: 'r_s_d', CREATE_SPHERE_DENIED: 'c_s_d', CREATE_SPHERE_SUCCESS: 'c_s_s', GRAB_SPHERE_DENIED: 'g_s_d', GRAB_SPHERE_SUCCESS: 'g_s_s', RELEASE_SPHERE_DENIED: 'r_sp_d', RELEASE_SPHERE_INVALID: 'r_sp_i', RELEASE_SPHERE_SUCCESS: 'r_sp_s', DELETE_SPHERE_DENIED: 'd_s_d', DELETE_SPHERE_INVALID: 'd_s_i', DELETE_SPHERE_SUCCESS: 'd_s_s', SET_SPHERE_TONE_DENIED: 's_s_t_d', SET_SPHERE_TONE_INVALID: 's_s_t_i', SET_SPHERE_TONE_SUCCESS: 's_s_t_s', SET_SPHERE_CONNECTIONS_DENIED: 's_s_c_d', SET_SPHERE_CONNECTIONS_INVALID: 's_s_c_i', SET_SPHERE_CONNECTIONS_SUCCESS: 's_s_c_s', CONNECT_SPHERES_IDENTICAL: 'c_s_id', CONNECT_SPHERES_INVALID: 'c_s_in', CONNECT_SPHERES_MISSING: 'c_s_m' }; const OUTGOING_MESSAGE_COMPONENTS = { ALL_MESSAGES: { DATA: dataLabel, FROM: fromLabel, MSG: msgLabel, TYPE: typeLabel, CLIENT_ID: clientIdLabel }, CONNECTION_INFO: { CLIENT_ID: clientIdLabel, SERVER_ID: serverIdLabel }, ROOM_STATUS_INFO: { ROOM_NAME: roomNameLabel, SOUNDBANK: soundbankLabel, CLIENTS: clientsLabel, CLIENT_ID: clientIdLabel, CLIENT_HEADSET_TYPE: headsetTypeLabel, SPHERES: spheresLabel, SPHERE_ID: sphereIdLabel, TONE: toneLabel, POSITION: positionLabel, CONNECTIONS: connectionsLabel, MERISTEM: meristemLabel }, ROOM_EXIT_SUCCESS: { ROOM_NAME: roomNameLabel }, CREATE_SPHERE_SUCCESS: { SPHERE_ID: sphereIdLabel }, SPHERE_ACTION_DENIED: { SPHERE_ID: sphereIdLabel, HOLDER_ID: holderIdLabel, }, ROOM_SPHERE_CREATED: { SPHERE_ID: sphereIdLabel, TONE: toneLabel, POSITION: positionLabel, CLIENT_ID: clientIdLabel }, GRAB_SPHERE_SUCCESS: { SPHERE_ID: sphereIdLabel, CLIENT_ID: clientIdLabel }, RELEASE_SPHERE_SUCCESS: { SPHERE_ID: sphereIdLabel, CLIENT_ID: clientIdLabel }, SPHERE_HOLD_TIMEOUT: { SPHERE_ID: sphereIdLabel, }, ROOM_SPHERE_RELEASED: { SPHERE_ID: sphereIdLabel, CLIENT_ID: clientIdLabel }, ROOM_CLIENT_COORDS_UPDATED: { HEAD: headLabel, LEFT: leftLabel, RIGHT: rightLabel, SPHERES: sphereLabel }, ROOM_SPHERE_POSITION_UPDATED: { SPHERE_ID: sphereIdLabel, POSITION: positionLabel, CLIENT_ID: clientIdLabel }, SET_SPHERE_TONE_SUCCESS: { SPHERE_ID: sphereIdLabel }, ROOM_SPHERE_TONE_SET: { SPHERE_ID: sphereIdLabel, TONE: toneLabel, CLIENT_ID: clientIdLabel }, SET_SPHERE_CONNECTIONS_SUCCESS: { SPHERE_ID: sphereIdLabel }, ROOM_SPHERE_CONNECTIONS_SET: { SPHERE_ID: sphereIdLabel, CONNECTIONS: connectionsLabel, CLIENT_ID: clientIdLabel }, DELETE_SPHERE_SUCCESS: { SPHERE_ID: sphereIdLabel, CLIENT_ID: clientIdLabel }, ROOM_SPHERE_DELETED: { SPHERE_ID: sphereIdLabel, CLIENT_ID: clientIdLabel }, ROOM_SPHERE_STRUCK: { SPHERE_ID: sphereIdLabel, CLIENT_ID: clientIdLabel, VELOCITY: velocityLabel }, ROOM_CLIENT_JOIN: { CLIENT_ID: clientIdLabel, CLIENT_HEADSET_TYPE: headsetTypeLabel }, ROOM_CLIENT_EXIT: { CLIENT_ID: clientIdLabel }, ROOM_HEARTBEAT: { COUNT: 'c', SECONDS: 's' } }; const HEADSET_TYPES = { HEADSET_TYPE_3DOF: '3dof', HEADSET_TYPE_6DOF: '6dof', HEADSET_TYPE_VIEWER: 'viewer' }; const ERROR_TYPES = { INVALID_URL: 'i_u', NO_ROOMS_AVAILABLE: 'n_r_a', NOT_IN_ROOM: 'n_i_r', NO_SUCH_ROOM: 'n_s_r', ROOM_QUEUE_FULL: 'r_q_f', ROOM_FULL: 'r_f', ROOM_UNAVAILABLE: 'r_u', BUSY_TRY_AGAIN: 'b_t_a', ROOM_NOT_READY: 'r_n_r', ROOM_JOIN_TIMEOUT: 'r_j_t', ALREADY_IN_ROOM: 'a_i_r', ALREADY_IN_ROOM_QUEUE: 'a_i_r_q', CREATE_SPHERE_UNAVAILABLE: 'c_s_u', NON_EXISTENT_SPHERE: 'n_e_s', SPHERE_ALREADY_HELD: 's_a_h', CLIENT_HOLDING_SPHERE: 'c_h_s', CLIENT_HOLDING_MAX_SPHERES: 'c_h_m_s', TOO_MANY_SPHERE_CONNECTIONS: 't_m_s_c', GRAB_SPHERE_ERROR: 'g_s_e', RELEASE_SPHERE_ERROR: 'r_s_e', DELETE_SPHERE_ERROR: 'd_s_e', CONNECT_SPHERE_ERROR: 'c_s_e', SPHERE_HOLD_TIMEOUT: 's_h_t', CLIENT_INACTIVITY_TIMEOUT: 'c_i_t', SYSTEM_ERROR: 's_' }; export default { INCOMING_MESSAGE_TYPES, INCOMING_MESSAGE_COMPONENTS, OUTGOING_MESSAGE_TYPES, OUTGOING_MESSAGE_COMPONENTS, HEADSET_TYPES, ERROR_TYPES }; export { HEADSET_TYPES }; ================================================ FILE: backend/src/messages/message-handler.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { roomDataActions, roomContentConstants, roomDataConstants, roomStateConstants } from '../rooms'; import { logger } from '../logger'; import { roomStateActions } from '../rooms' import { serialize } from '../s11n'; import { sendWsMessageWithLogger } from '../utils/websocket-utils'; import { dispatchStoreAction, getStoreState } from '../store'; import config from '../config'; import messageActions from './message-actions'; import messageConstants from './message-constants'; import { perMessageTypeRateLimiter } from './message-rate-limiter'; import messageValidator from './message-validator'; const messageComponents = messageConstants.INCOMING_MESSAGE_COMPONENTS; /******************************************************************************* * HANDLER FOR INCOMING ROOM MESSAGES FROM THIS SERVER'S WEBSOCKET CLIENTS *******************************************************************************/ /* * this function validates an incoming message against the JSON message schema, * and dispatches successfully validated messages to the appropriate handler * defined in messageActions, generated from the message types in the schema. */ const handleWebsocketMessage = ( ws, message ) => { // drop empty messages if( typeof message === 'undefined' || message === '' || message === null ) { return; } // make sure the client's in a room if( typeof ws.currentRoom === 'undefined' ) { return; } // make sure message format is valid, drop any invalid messages let validatedMessage; try { validatedMessage = messageValidator.validateMessage( message ); } catch( error ) { logger.debug( `error validating incoming message from client ${ws.id}: ${error.message}` ); return; } // messageActions exports action functions generated from schema, hence keyed the same let validatedMessageType = validatedMessage[ messageComponents.ALL_MESSAGES.TYPE ]; // if rate limiting's switched off if( config.rateLimitInfo.perMessageTypeRateLimit === false ) { // handle the message straightaway handleValidatedMessageOfTypeForWebsocket( validatedMessage, validatedMessageType, ws ); return; } // otherwise, rate-limit messages per type, per client const rateLimiterNamespace = `${ws.id}/${validatedMessageType}`; perMessageTypeRateLimiter.consume( rateLimiterNamespace ) // as long as the client is within limits for this message type .then( () => { // handle the message handleValidatedMessageOfTypeForWebsocket( validatedMessage, validatedMessageType, ws ); } ) // otherwise .catch( ( error ) => { // silently drop the message } ); }; const handleValidatedMessageOfTypeForWebsocket = ( validatedMessage, validatedMessageType, ws ) => { // add id to msg, dispatch generated messageAction required by message type let attributedMessage = { ws, [ messageComponents.ALL_MESSAGES.FROM ]: ws.id, [ messageComponents.ALL_MESSAGES.MSG ]: validatedMessage }; // tell the message saga which room it's in attributedMessage.roomName = ws.currentRoom; // check the room is in the right state to receive messages let roomState = getStoreState().roomStateReducer.rooms[ ws.currentRoom ]; // rooms need to be in specific states to accept messages let roomStatesAcceptingMessages = [ roomStateConstants.STATES.READY, roomStateConstants.STATES.ROOM_FULL ]; if( roomStatesAcceptingMessages.indexOf( roomState.status ) < 0 ) { let roomNotReadyMessage = { from: config.serverId, msg: { type: messageConstants.ERROR_TYPES.ROOM_NOT_READY } }; sendWsMessageWithLogger( ws, roomNotReadyMessage, logger ); return; } dispatchStoreAction( messageActions[ validatedMessageType ]( attributedMessage ) ); }; export default { handleWebsocketMessage }; ================================================ FILE: backend/src/messages/message-rate-limiter.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { FastRateLimit } from 'fast-ratelimit'; import config from '../config'; import { logger } from '../logger'; // rate-limits overall messages per client, regardless of type let perClientRateLimiter = new FastRateLimit({ threshold: config.rateLimitInfo.perClientMsgThreshold, ttl: config.rateLimitInfo.perClientMsgTtl }); if( config.rateLimitInfo.perClientRateLimit ) { logger.info( `default overall client message rate limiter allowing ${perClientRateLimiter.__options.threshold}` + `msg/${perClientRateLimiter.__options.ttl_millisec}ms` ); } // rate-limits individual message types per-client let perMessageTypeRateLimiter = new FastRateLimit({ threshold: config.rateLimitInfo.perTypeMsgThreshold, ttl: config.rateLimitInfo.perTypeMsgTtl }); if( config.rateLimitInfo.perMessageTypeRateLimit ) { logger.info( `default per-type client message rate limiter allowing ${perMessageTypeRateLimiter.__options.threshold}` + `msg/${perMessageTypeRateLimiter.__options.ttl_millisec}ms` ); } // allows dynamic setting of per-client rate limiter threshold const setPerClientRateLimiterOptions = ( options ) => { perClientRateLimiter.__options = options; logger.info( `set overall client message rate limiter to allow ${perClientRateLimiter.__options.threshold}` + `msg/${perClientRateLimiter.__options.ttl_millisec}ms` ); }; // allows dynamic setting of per-message-type rate limiter threshold const setPerMessageTypeRateLimiterOptions = ( options ) => { perMessageTypeRateLimiter.__options = options; logger.info( `set per-type client message rate limiter to allow ${perMessageTypeRateLimiter.__options.threshold}` + `msg/${perMessageTypeRateLimiter.__options.ttl_millisec}ms` ); }; export { perClientRateLimiter, perMessageTypeRateLimiter, setPerClientRateLimiterOptions, setPerMessageTypeRateLimiterOptions }; ================================================ FILE: backend/src/messages/message-sagas.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import uuid from 'uuid'; import { delay, takeEvery, takeLatest } from 'redux-saga'; import { call, put, fork, select } from 'redux-saga/effects'; import { logger } from '../logger'; import { sphereConstants } from '../spheres'; import { roomDataActions, roomNames, roomStateActions, roomStateConstants } from '../rooms'; import { makeWsReplyMessage, makeWsBroadcastMessage, sendWsMessageWithLogger } from '../utils/websocket-utils'; import config from '../config'; import { sagaUtils } from '../utils'; import messageActions from './message-actions'; import messageConstants from './message-constants'; const incomingMsgComponents = messageConstants.INCOMING_MESSAGE_COMPONENTS; const outgoingMsgComponents = messageConstants.OUTGOING_MESSAGE_COMPONENTS; /******************************************************************************* * EXIT ROOM *******************************************************************************/ const exitRoom = function* ( message ) { logger.trace( `client ${message.ws.id} is leaving room ${message.ws.currentRoom}` ); // send a goodbye message to the client let roomExitSuccessMessage = makeWsReplyMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.ROOM_EXIT_SUCCESS, { [ outgoingMsgComponents.ROOM_EXIT_SUCCESS.ROOM_NAME ]: message.ws.currentRoom } ); sendWsMessageWithLogger( message.ws, roomExitSuccessMessage, logger ); // remove it from the state yield put( roomDataActions.removeLocalClientFromRoomRequestAction( message.ws.id, message.ws.currentRoom ) ); // close the connection message.ws.close(); }; /******************************************************************************* * UPDATE ROOM CLIENT POSITION *******************************************************************************/ const updateClientCoords = function* ( action ) { let { msgType, msgData } = getTypeAndDataForMessage( action ); // check whether the coords include any sphere position update let spherePositionUpdates = msgData[ incomingMsgComponents.UPDATE_CLIENT_COORDS.SPHERES ]; if( typeof spherePositionUpdates !== 'undefined' ) { let roomState = yield select( ( state ) => { return state.roomDataReducer.rooms; } ); let spheresHeldByClient = roomState[ action.roomName ].content.clients[ action.ws.id ].spheresHeld; let checkedSpherePositionUpdates = []; // spherePositionUpdates will be an array if it exists, as it's been validated const spherePositionUpdateCount = spherePositionUpdates.length; for( let i = 0; i < spherePositionUpdateCount; i++ ) { let updatedSphere = spherePositionUpdates[ i ]; let updatedSphereId = updatedSphere[ incomingMsgComponents.UPDATE_CLIENT_COORDS.SPHERE_ID ]; // check that this client is holding this sphere if( typeof spheresHeldByClient[ updatedSphereId ] === 'undefined' ) { continue; } let updatedSpherePosition = updatedSphere[ incomingMsgComponents.UPDATE_CLIENT_COORDS.SPHERE_POSITION ]; if( spheresHeldByClient[ updatedSphereId ] === true ) { // set the sphere position in state so new clients see it yield put( roomDataActions.setPositionForSphereInRoomRequestAction( updatedSpherePosition, updatedSphereId, action.roomName ) ); // add it to the list of checked updates checkedSpherePositionUpdates.push( updatedSphere ); } } // set a populated checked array back in the message if( checkedSpherePositionUpdates.length > 0 ) { msgData[ incomingMsgComponents.UPDATE_CLIENT_COORDS.SPHERES ] = checkedSpherePositionUpdates; } // or just remove an empty one (= no valid sphere updates) else { delete msgData[ incomingMsgComponents.UPDATE_CLIENT_COORDS.SPHERES ]; } } // don't record any client state change, just broadcast its new position to other clients let updatedCoordsMessage = makeWsBroadcastMessage( action[ incomingMsgComponents.ALL_MESSAGES.FROM ], messageConstants.OUTGOING_MESSAGE_TYPES.ROOM_CLIENT_COORDS_UPDATED, action[ incomingMsgComponents.ALL_MESSAGES.MSG ][ incomingMsgComponents.ALL_MESSAGES.DATA ] ); yield put( roomDataActions.publishMessageToRoomRequestAction( updatedCoordsMessage, action.roomName ) ); }; /******************************************************************************* * CREATE SPHERE AT POSITION IN ROOM *******************************************************************************/ const createSphereOfToneAtPosition = function* ( action ) { let { msgType, msgData } = getTypeAndDataForMessage( action ); let roomData = yield select( ( state ) => { return state.roomDataReducer; } ); let sphereState = roomData.rooms[ action.roomName ].content.spheres; // make sure there's sphere space in the room if( Object.keys( sphereState ).length >= sphereConstants.SPHERE_INFO.MAX_NUMBER_OF_SPHERES_PER_ROOM ) { denySphereAction( action.ws, null, // no sphere under discussion, so ... null, // ... no client holding it messageConstants.ERROR_TYPES.CREATE_SPHERE_UNAVAILABLE ); return; } // snag relevant data let newSphereId = uuid(); let tone = msgData[ incomingMsgComponents.CREATE_SPHERE_OF_TONE_AT_POSITION.TONE ]; let position = msgData[ incomingMsgComponents.CREATE_SPHERE_OF_TONE_AT_POSITION.POSITION ]; let clientId = action.ws.id; // create the sphere, save in sate yield put( roomDataActions.addSphereOfToneAtPositionInRoomRequestAction( newSphereId, tone, position, action.roomName ) ); // tell the client it created the sphere OK let createSuccessMessage = makeWsReplyMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.CREATE_SPHERE_SUCCESS, { [ outgoingMsgComponents.CREATE_SPHERE_SUCCESS.SPHERE_ID ]: newSphereId } ); sendWsMessageWithLogger( action.ws, createSuccessMessage, logger ); // broadcast 'sphere created' action let data = { [ outgoingMsgComponents.ROOM_SPHERE_CREATED.SPHERE_ID ]: newSphereId, [ outgoingMsgComponents.ROOM_SPHERE_CREATED.TONE ]: tone, [ outgoingMsgComponents.ROOM_SPHERE_CREATED.POSITION ]: position, [ outgoingMsgComponents.ROOM_SPHERE_CREATED.CLIENT_ID ]: clientId }; let sphereMsg = makeWsBroadcastMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.ROOM_SPHERE_CREATED, data ); yield put( roomDataActions.publishMessageToRoomRequestAction( sphereMsg, action.roomName ) ); }; /******************************************************************************* * GRAB SPHERE BY ID *******************************************************************************/ const grabSphere = function* ( action ) { let { msgType, msgData } = getTypeAndDataForMessage( action ); // get necessary state let roomState = yield select( ( state ) => { return state.roomDataReducer.rooms[ action.roomName ]; } ); // check the client has a spare hand let spheresHeldByClient = roomState.content.clients[ action.ws.id ].spheresHeld; // if it's already holding more than 1 ... if( Object.keys( spheresHeldByClient ).length > 1 ) { // it can't grab any more denySphereAction( action.ws, sphereId, null, // it would be invalid for this ws to grab it messageConstants.ERROR_TYPES.CLIENT_HOLDING_MAX_SPHERES ); return; } // snag relevant data let sphereId = msgData[ incomingMsgComponents.GRAB_SPHERE.SPHERE_ID ]; let sphereState = roomState.content.spheres; // does sphere exist? if( !sphereState[ sphereId ] ) { denySphereAction( action.ws, sphereId, null, // it would be invalid for this ws to grab it messageConstants.ERROR_TYPES.NON_EXISTENT_SPHERE ); return; }; // is it already held ... if( sphereState[ sphereId ].hold ) { let alreadyHeldErrorCode; let holderId = sphereState[ sphereId ].hold.clientId; // ... by this client? if( holderId === action.ws.id ) { alreadyHeldErrorCode = messageConstants.ERROR_TYPES.CLIENT_HOLDING_SPHERE; } // or another client? else { alreadyHeldErrorCode = messageConstants.ERROR_TYPES.SPHERE_ALREADY_HELD; } // either way, no go denySphereAction( action.ws, sphereId, holderId, // it would be invalid for this ws to grab it alreadyHeldErrorCode ); return; } // create a hold on this sphere for this client yield put( roomDataActions.createHoldOnSphereForClientInRoomRequestAction( sphereId, action.ws.id, action.roomName ) ); // TODO check the client got the hold? // tell the client it got a hold let grabSuccessMessage = makeWsReplyMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.GRAB_SPHERE_SUCCESS, { [ outgoingMsgComponents.GRAB_SPHERE_SUCCESS.SPHERE_ID ]: sphereId } ); sendWsMessageWithLogger( action.ws, grabSuccessMessage, logger ); // broadcast 'sphere grabbed' action let sphereGrabbedData = { [ outgoingMsgComponents.GRAB_SPHERE_SUCCESS.SPHERE_ID ]: sphereId, [ outgoingMsgComponents.GRAB_SPHERE_SUCCESS.CLIENT_ID ]: action.ws.id }; let sphereGrabbedMsg = makeWsBroadcastMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.ROOM_SPHERE_GRABBED, sphereGrabbedData ); yield put( roomDataActions.publishMessageToRoomRequestAction( sphereGrabbedMsg, action.roomName ) ); }; /******************************************************************************* * RELEASE SPHERE BY ID *******************************************************************************/ const releaseSphere = function* ( action ) { let { msgType, msgData } = getTypeAndDataForMessage( action ); // get necessary state let sphereState = yield getSphereStateForRoom( action.roomName ); // snag relevant data let sphereId = msgData[ incomingMsgComponents.RELEASE_SPHERE.SPHERE_ID ]; // does this sphere exist? if( !sphereState[ sphereId ] ) { denySphereAction( action.ws, sphereId, null, // it would be invalid for this ws to grab it messageConstants.ERROR_TYPES.NON_EXISTENT_SPHERE ); return; }; // is it held at all? if( !sphereState[ sphereId ].hold ) { denySphereAction( action.ws, sphereId, null, // it would be invalid for this ws to release it messageConstants.OUTGOING_MESSAGE_TYPES.RELEASE_SPHERE_INVALID ); return; } let holderId = sphereState[ sphereId ].hold.clientId; if( typeof holderId === 'undefined' ) { denySphereAction( action.ws, sphereId, null, messageConstants.ERROR_TYPES.SYSTEM_ERROR ); return; } // is it held by another client? if( holderId !== action.ws.id ) { denySphereAction( action.ws, sphereId, holderId, // denied because this other one's holding it messageConstants.OUTGOING_MESSAGE_TYPES.RELEASE_SPHERE_DENIED ); return; } // remove the hold on this sphere for this client yield put( roomDataActions.removeHoldOnSphereForClientInRoomRequestAction( sphereId, action.ws.id, action.roomName ) ); // tell the client it released the sphere OK let releaseSuccessMessage = makeWsReplyMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.RELEASE_SPHERE_SUCCESS, { [ outgoingMsgComponents.RELEASE_SPHERE_SUCCESS.SPHERE_ID ]: sphereId } ); sendWsMessageWithLogger( action.ws, releaseSuccessMessage, logger ); // broadcast to the room that the sphere's been released let outgoingMsgData = { [ outgoingMsgComponents.ROOM_SPHERE_RELEASED.SPHERE_ID ]: sphereId, [ outgoingMsgComponents.ROOM_SPHERE_RELEASED.CLIENT_ID ]: action.ws.id }; let sphereReleasedMessage = makeWsBroadcastMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.ROOM_SPHERE_RELEASED, outgoingMsgData ); yield put( roomDataActions.publishMessageToRoomRequestAction( sphereReleasedMessage, action.roomName ) ); }; /******************************************************************************* * SET SPHERE TONE BY ID *******************************************************************************/ const setSphereTone = function* ( action ) { let { msgType, msgData } = getTypeAndDataForMessage( action ); // get necessary state let sphereState = yield getSphereStateForRoom( action.roomName ); // snag relevant data let sphereId = msgData[ incomingMsgComponents.SET_SPHERE_TONE.SPHERE_ID ]; let tone = msgData[ incomingMsgComponents.SET_SPHERE_TONE.TONE ]; // does this sphere exist? if( !sphereState[ sphereId ] ) { denySphereAction( action.ws, sphereId, null, // it would be invalid for this ws to grab it messageConstants.ERROR_TYPES.NON_EXISTENT_SPHERE ); return; }; // is it held by another client? if( sphereState[ sphereId ].hold ) { let holderId = sphereState[ sphereId ].hold.clientId; if( typeof holderId === 'undefined' ) { denySphereAction( action.ws, sphereId, null, messageConstants.ERROR_TYPES.SYSTEM_ERROR ); return; } if( holderId !== action.ws.id ) { denySphereAction( action.ws, sphereId, holderId, // denied because this other one's holding it messageConstants.OUTGOING_MESSAGE_TYPES.SET_SPHERE_TONE_DENIED ); return; } } // set the tone for this sphere yield put( roomDataActions.setToneForSphereInRoomRequestAction( tone, sphereId, action.roomName ) ); // tell the client it set the tone OK let toneSuccessMessage = makeWsReplyMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.SET_SPHERE_TONE_SUCCESS, { [ outgoingMsgComponents.SET_SPHERE_TONE_SUCCESS.SPHERE_ID ]: sphereId } ); sendWsMessageWithLogger( action.ws, toneSuccessMessage, logger ); // broadcast the new tone to the room let outgoingMsgData = { [ outgoingMsgComponents.ROOM_SPHERE_TONE_SET.SPHERE_ID ]: sphereId, [ outgoingMsgComponents.ROOM_SPHERE_TONE_SET.TONE ]: tone, [ outgoingMsgComponents.ROOM_SPHERE_TONE_SET.CLIENT_ID ]: action.ws.id }; let sphereToneMsg = makeWsBroadcastMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.ROOM_SPHERE_TONE_SET, outgoingMsgData ); yield put( roomDataActions.publishMessageToRoomRequestAction( sphereToneMsg, action.roomName ) ); }; /******************************************************************************* * SET SPHERE CONNECTIONS BY ID *******************************************************************************/ const setSphereConnections = function* ( action ) { let { msgType, msgData } = getTypeAndDataForMessage( action ); // get necessary state let sphereState = yield getSphereStateForRoom( action.roomName ); // snag relevant data let sphereId = msgData[ incomingMsgComponents.SET_SPHERE_CONNECTIONS.SPHERE_ID ]; let connections = msgData[ incomingMsgComponents.SET_SPHERE_CONNECTIONS.CONNECTIONS ]; // make sure there aren't too many connections if( connections.length > sphereConstants.SPHERE_INFO.MAX_NUMBER_OF_CONNECTIONS_PER_SPHERE ) { denySphereAction( action.ws, sphereId, null, // it would be invalid for this ws to grab it messageConstants.ERROR_TYPES.TOO_MANY_SPHERE_CONNECTIONS ); return; } // does sphere exist? if( !sphereState[ sphereId ] ) { denySphereAction( action.ws, sphereId, null, // it would be invalid for this ws to grab it messageConstants.ERROR_TYPES.NON_EXISTENT_SPHERE ); return; }; // is it already held ... if( sphereState[ sphereId ].hold ) { let holderId = sphereState[ sphereId ].hold.clientId; // ... by another client? if( holderId !== action.ws.id ) { denySphereAction( action.ws, sphereId, holderId, // it would be invalid for this ws to grab it messageConstants.OUTGOING_MESSAGE_TYPES.SET_SPHERE_CONNECTIONS_DENIED ); return; } } // if it's a non-empty list of spheres to connect to if( connections.length > 0 ) { // make sure that ... let uniqueAvailableConnections = connections.filter( // spheres are not the same ( sphereIdIterator ) => { return sphereIdIterator !== sphereId; } ).filter( // spheres exist in room ( sphereIdIterator ) => { return Object.keys( sphereState ).indexOf( sphereIdIterator ) >= 0; } ); if( uniqueAvailableConnections.length == 0 ) { logger.trace( `setSphereConnections: no unique available connections requested` ); denySphereAction( action.ws, sphereId, null, // it would be invalid for this ws to set it messageConstants.OUTGOING_MESSAGE_TYPES.SET_SPHERE_CONNECTIONS_DENIED ); return; } } // set the list of connections for this sphere yield put( roomDataActions.setConnectionsForSphereInRoomRequestAction( connections, sphereId, action.roomName ) ); // tell the client it connected the spheres OK let connectSuccessMessage = makeWsReplyMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.SET_SPHERE_CONNECTIONS_SUCCESS, { [ outgoingMsgComponents.SET_SPHERE_CONNECTIONS_SUCCESS.SPHERE_ID ]: sphereId } ); sendWsMessageWithLogger( action.ws, connectSuccessMessage, logger ); // broadcast the new connections to the room let outgoingMsgData = { [ outgoingMsgComponents.ROOM_SPHERE_CONNECTIONS_SET.SPHERE_ID ]: sphereId, [ outgoingMsgComponents.ROOM_SPHERE_CONNECTIONS_SET.CONNECTIONS ]: connections, [ outgoingMsgComponents.ROOM_SPHERE_CONNECTIONS_SET.CLIENT_ID ]: action.ws.id }; let sphereConnectionsMsg = makeWsBroadcastMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.ROOM_SPHERE_CONNECTIONS_SET, outgoingMsgData ); yield put( roomDataActions.publishMessageToRoomRequestAction( sphereConnectionsMsg, action.roomName ) ); }; /******************************************************************************* * DELETE SPHERE BY ID *******************************************************************************/ const deleteSphere = function* ( action ) { let { msgType, msgData } = getTypeAndDataForMessage( action ); // get necessary state let sphereState = yield getSphereStateForRoom( action.roomName ); // snag relevant data let sphereId = msgData[ incomingMsgComponents.DELETE_SPHERE.SPHERE_ID ]; // does this sphere exist? if( !sphereState[ sphereId ] ) { denySphereAction( action.ws, sphereId, null, // it would be invalid for this ws to grab it messageConstants.ERROR_TYPES.NON_EXISTENT_SPHERE ); return; }; // is it held at all? if( sphereState[ sphereId ].hold ) { let holderId = sphereState[ sphereId ].hold.clientId; if( typeof holderId === 'undefined' ) { denySphereAction( action.ws, sphereId, null, messageConstants.ERROR_TYPES.SYSTEM_ERROR ); return; } // is it held by another client? if( holderId !== action.ws.id ) { denySphereAction( action.ws, sphereId, holderId, // denied because this other one's holding it messageConstants.OUTGOING_MESSAGE_TYPES.DELETE_SPHERE_DENIED ); return; } } // remove the hold on this sphere for this client yield put( roomDataActions.deleteSphereFromRoomRequestAction( sphereId, action.roomName ) ); // tell the client it deleted the sphere OK let deleteSuccessMessage = makeWsReplyMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.DELETE_SPHERE_SUCCESS, { [ outgoingMsgComponents.DELETE_SPHERE_SUCCESS.SPHERE_ID ]: sphereId } ); sendWsMessageWithLogger( action.ws, deleteSuccessMessage, logger ); // broadcast 'sphere deleted' action let outgoingMsgData = { [ outgoingMsgComponents.ROOM_SPHERE_DELETED.SPHERE_ID ]: sphereId, [ outgoingMsgComponents.ROOM_SPHERE_DELETED.CLIENT_ID ]: action.ws.id }; let sphereDeletedMsg = makeWsBroadcastMessage( action.ws.id, messageConstants.OUTGOING_MESSAGE_TYPES.ROOM_SPHERE_DELETED, outgoingMsgData ); yield put( roomDataActions.publishMessageToRoomRequestAction( sphereDeletedMsg, action.roomName ) ); }; /******************************************************************************* * STRIKE SPHERE BY ID *******************************************************************************/ const strikeSphere = function* ( action ) { let { msgType, msgData } = getTypeAndDataForMessage( action ); // get necessary state let sphereState = yield getSphereStateForRoom( action.roomName ); // snag relevant data let sphereId = msgData[ incomingMsgComponents.STRIKE_SPHERE.SPHERE_ID ]; let velocity = msgData[ incomingMsgComponents.STRIKE_SPHERE.VELOCITY ]; let fromId = action[ incomingMsgComponents.ALL_MESSAGES.FROM ]; // does sphere exist? if( !sphereState[ sphereId ] ) { // drop silently if no such sphere return; }; // no state change here, just broadcast 'sphere strike' action let outgoingMsgData = { [ outgoingMsgComponents.ROOM_SPHERE_STRUCK.SPHERE_ID ]: sphereId, [ outgoingMsgComponents.ROOM_SPHERE_STRUCK.VELOCITY ]: velocity, [ outgoingMsgComponents.ROOM_SPHERE_STRUCK.CLIENT_ID ]: fromId }; let sphereStruckMsg = makeWsBroadcastMessage( action.ws.id, messageConstants.OUTGOING_MESSAGE_TYPES.ROOM_SPHERE_STRUCK, outgoingMsgData ); yield put( roomDataActions.publishMessageToRoomRequestAction( sphereStruckMsg, action.roomName ) ); }; /******************************************************************************* * HELPER FUNCTIONS *******************************************************************************/ const getTypeAndDataForMessage = ( message ) => { return { msgType: message[ incomingMsgComponents.ALL_MESSAGES.TYPE ], msgData: message[ incomingMsgComponents.ALL_MESSAGES.MSG ][ incomingMsgComponents.ALL_MESSAGES.DATA ] }; }; const getSphereStateForRoom = function* ( roomName ) { let sphereState = yield select( ( state ) => { return state.roomDataReducer.rooms[ roomName ].content.spheres; } ); return sphereState; }; const denySphereAction = ( ws, sphereId, holderId, denialType ) => { let data = {}; if( sphereId ) { data[ outgoingMsgComponents.SPHERE_ACTION_DENIED.SPHERE_ID ] = sphereId; } if( holderId ) { data[ outgoingMsgComponents.SPHERE_ACTION_DENIED.HOLDER_ID ] = holderId; } let actionDeniedMessage = makeWsReplyMessage( config.serverId, denialType, data ); sendWsMessageWithLogger( ws, actionDeniedMessage, logger ); return; }; /******************************************************************************* * SAGA WATCHER FUNCTIONS * these takeEvery clauses match for INCOMING_MESSAGE_TYPES auto-dispatched by * messageHandler.handleWebsocketMessage() after message validation *******************************************************************************/ const watchExitRoomRequests = function* () { yield takeEvery( messageConstants.INCOMING_MESSAGE_TYPES.EXIT_ROOM, exitRoom ); }; const watchUpdateCoordsForClientRequests = function* () { yield takeEvery( messageConstants.INCOMING_MESSAGE_TYPES.UPDATE_CLIENT_COORDS, updateClientCoords ); }; const watchCreateSphereAtPositionRequests = function* () { yield takeEvery( messageConstants.INCOMING_MESSAGE_TYPES.CREATE_SPHERE_OF_TONE_AT_POSITION, createSphereOfToneAtPosition ); }; const watchGrabSphereRequests = function* () { yield takeEvery( messageConstants.INCOMING_MESSAGE_TYPES.GRAB_SPHERE, grabSphere ); }; const watchReleaseSphereRequests = function* () { yield takeEvery( messageConstants.INCOMING_MESSAGE_TYPES.RELEASE_SPHERE, releaseSphere ); }; const watchDeleteSphereRequests = function* () { yield takeEvery( messageConstants.INCOMING_MESSAGE_TYPES.DELETE_SPHERE, deleteSphere ); }; const watchSetSphereToneRequests = function* () { yield takeEvery( messageConstants.INCOMING_MESSAGE_TYPES.SET_SPHERE_TONE, setSphereTone ); }; const watchSetSphereConnectionsRequests = function* () { yield takeEvery( messageConstants.INCOMING_MESSAGE_TYPES.SET_SPHERE_CONNECTIONS, setSphereConnections ); }; const watchStrikeSphereRequests = function* () { yield takeEvery( messageConstants.INCOMING_MESSAGE_TYPES.STRIKE_SPHERE, strikeSphere ); }; export default { rootSaga: function* () { const sagas = [ watchExitRoomRequests, watchUpdateCoordsForClientRequests, watchCreateSphereAtPositionRequests, watchGrabSphereRequests, watchReleaseSphereRequests, watchDeleteSphereRequests, watchSetSphereToneRequests, watchSetSphereConnectionsRequests, watchStrikeSphereRequests ]; yield sagaUtils.spawnAutoRestartingSagas( sagas ); } }; ================================================ FILE: backend/src/messages/message-schema.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /******************************************************************************* * * this module implements a JSON schema for incoming messages. * it's specified directly as JS objects so we can: * * - have comments in the schema * - include other sections without needing separate JSON files * - distinguish between JSON schema property names (barewords) * and schema entry types ('quoted') * - dynamically construct the schema's "properties" list * from INCOMING_MESSAGE_TYPES constants * *******************************************************************************/ import { sphereConstants } from '../spheres'; import messageConstants from './message-constants'; // shorthand for dictionary of INCOMING_MESSAGE_TYPES constants let messageTypes = messageConstants.INCOMING_MESSAGE_TYPES; let messageComponents = messageConstants.INCOMING_MESSAGE_COMPONENTS; /******************************************************************************* * UTILITY FUNCTIONS *******************************************************************************/ // make 'type: "string"' schema definition entry using a messageTypes constant const makeStringTypeForMessageTypeName = ( name ) => { return { type: 'string', minLength: ( () => { return name.length; } )(), maxLength: ( () => { return name.length; } )() } }; /******************************************************************************* * INCOMING MESSAGE TYPE SCHEMA DEFINITIONS *******************************************************************************/ // exit current room const exitRoomMessageSchema = { type: 'object', properties: { [ messageComponents.ALL_MESSAGES.TYPE ]: ( () => { return makeStringTypeForMessageTypeName( messageTypes.EXIT_ROOM ); } )() }, required: [ messageComponents.ALL_MESSAGES.TYPE ] }; // "client position update" message const updateClientCoordsMessageSchema = { type: 'object', properties: { [ messageComponents.ALL_MESSAGES.TYPE ]: ( () => { return makeStringTypeForMessageTypeName( messageTypes.UPDATE_CLIENT_COORDS ); } )(), [ messageComponents.ALL_MESSAGES.DATA ]: { type: 'object', properties: { [ messageComponents.UPDATE_CLIENT_COORDS.HEAD ]: { '$ref': `#/definitions/${messageComponents.REFERENCES.COORDINATE_SET}` }, [ messageComponents.UPDATE_CLIENT_COORDS.LEFT ]: { '$ref': `#/definitions/${messageComponents.REFERENCES.COORDINATE_SET}` }, [ messageComponents.UPDATE_CLIENT_COORDS.RIGHT ]: { '$ref': `#/definitions/${messageComponents.REFERENCES.COORDINATE_SET}` }, // optional spheres, only used if client is holding spheres [ messageComponents.UPDATE_CLIENT_COORDS.SPHERES ]: { type: 'array', items: { type: 'object', properties: { [ messageComponents.UPDATE_CLIENT_COORDS.SPHERE_ID ]: { type: 'string', format: 'uuid' }, [ messageComponents.UPDATE_CLIENT_COORDS.SPHERE_POSITION ]: { '$ref': `#/definitions/${messageComponents.REFERENCES.COORDINATE}` } }, required: [ messageComponents.UPDATE_CLIENT_COORDS.SPHERE_ID, messageComponents.UPDATE_CLIENT_COORDS.SPHERE_POSITION ] } } }, required: [ messageComponents.UPDATE_CLIENT_COORDS.HEAD, messageComponents.UPDATE_CLIENT_COORDS.LEFT, messageComponents.UPDATE_CLIENT_COORDS.RIGHT ] } }, required: [ messageComponents.ALL_MESSAGES.TYPE, messageComponents.ALL_MESSAGES.DATA ] }; // 'create sphere at position' message const createSphereOfToneAtPositionMessageSchema = { type: 'object', properties: { [ messageComponents.ALL_MESSAGES.TYPE ]: ( () => makeStringTypeForMessageTypeName( messageTypes.CREATE_SPHERE_OF_TONE_AT_POSITION ) )(), [ messageComponents.ALL_MESSAGES.DATA ]: { type: 'object', properties: { [ messageComponents.CREATE_SPHERE_OF_TONE_AT_POSITION.TONE ]: { type: 'number', minimum: sphereConstants.SPHERE_INFO.LOWEST_TONE, maximum: sphereConstants.SPHERE_INFO.HIGHEST_TONE }, [ messageComponents.CREATE_SPHERE_OF_TONE_AT_POSITION.POSITION ]: { '$ref': `#/definitions/${messageComponents.REFERENCES.COORDINATE}` } }, required: [ messageComponents.CREATE_SPHERE_OF_TONE_AT_POSITION.TONE, messageComponents.CREATE_SPHERE_OF_TONE_AT_POSITION.POSITION ] } }, required: [ messageComponents.ALL_MESSAGES.TYPE, messageComponents.ALL_MESSAGES.DATA ] }; // 'grab sphere' const grabSphereMessageSchema = { type: 'object', properties: { [ messageComponents.ALL_MESSAGES.TYPE ]: ( () => makeStringTypeForMessageTypeName( messageTypes.GRAB_SPHERE ) )(), [ messageComponents.ALL_MESSAGES.DATA ]: { type: 'object', properties: { [ messageComponents.GRAB_SPHERE.SPHERE_ID ]: { type: 'string', format: 'uuid' } }, required: [ messageComponents.GRAB_SPHERE.SPHERE_ID ] } }, required: [ messageComponents.ALL_MESSAGES.TYPE, messageComponents.ALL_MESSAGES.DATA ] }; // 'release sphere' const releaseSphereMessageSchema = { type: 'object', properties: { [ messageComponents.ALL_MESSAGES.TYPE ]: ( () => makeStringTypeForMessageTypeName( messageTypes.RELEASE_SPHERE ) )(), [ messageComponents.ALL_MESSAGES.DATA ]: { type: 'object', properties: { [ messageComponents.RELEASE_SPHERE.SPHERE_ID ]: { type: 'string', format: 'uuid' } }, required: [ messageComponents.RELEASE_SPHERE.SPHERE_ID ] } }, required: [ messageComponents.ALL_MESSAGES.TYPE, messageComponents.ALL_MESSAGES.DATA ] }; // 'delete sphere' const deleteSphereMessageSchema = { type: 'object', properties: { [ messageComponents.ALL_MESSAGES.TYPE ]: ( () => makeStringTypeForMessageTypeName( messageTypes.DELETE_SPHERE ) )(), [ messageComponents.ALL_MESSAGES.DATA ]: { type: 'object', properties: { [ messageComponents.DELETE_SPHERE.SPHERE_ID ]: { type: 'string', format: 'uuid' } }, required: [ messageComponents.DELETE_SPHERE.SPHERE_ID ] } }, required: [ messageComponents.ALL_MESSAGES.TYPE, messageComponents.ALL_MESSAGES.DATA ] }; // 'strike sphere' const strikeSphereMessageSchema = { type: 'object', properties: { [ messageComponents.ALL_MESSAGES.TYPE ]: ( () => makeStringTypeForMessageTypeName( messageTypes.STRIKE_SPHERE ) )(), [ messageComponents.ALL_MESSAGES.DATA ]: { type: 'object', properties: { [ messageComponents.STRIKE_SPHERE.SPHERE_ID ]: { type: 'string', format: 'uuid' }, [ messageComponents.STRIKE_SPHERE.VELOCITY ]: { type: 'number', minimum: sphereConstants.SPHERE_INFO.MINIMUM_STRIKE_VELOCITY, maximum: sphereConstants.SPHERE_INFO.MAXIMUM_STRIKE_VELOCITY } }, required: [ messageComponents.STRIKE_SPHERE.SPHERE_ID, messageComponents.STRIKE_SPHERE.VELOCITY ] } }, required: [ messageComponents.ALL_MESSAGES.TYPE, messageComponents.ALL_MESSAGES.DATA ] }; // 'set sphere tone' const setSphereToneMessageSchema = { type: 'object', properties: { [ messageComponents.ALL_MESSAGES.TYPE ]: ( () => makeStringTypeForMessageTypeName( messageTypes.SET_SPHERE_TONE ) )(), [ messageComponents.ALL_MESSAGES.DATA ]: { type: 'object', properties: { [ messageComponents.SET_SPHERE_TONE.SPHERE_ID ]: { type: 'string', format: 'uuid' }, [ messageComponents.SET_SPHERE_TONE.TONE ]: { type: 'number', minimum: sphereConstants.SPHERE_INFO.LOWEST_TONE, maximum: sphereConstants.SPHERE_INFO.HIGHEST_TONE } }, required: [ messageComponents.SET_SPHERE_TONE.SPHERE_ID, messageComponents.SET_SPHERE_TONE.TONE ] } }, required: [ messageComponents.ALL_MESSAGES.TYPE, messageComponents.ALL_MESSAGES.DATA ] }; // 'set sphere connections' const setSphereConnectionsMessageSchema = { type: 'object', properties: { [ messageComponents.ALL_MESSAGES.TYPE ]: ( () => makeStringTypeForMessageTypeName( messageTypes.SET_SPHERE_CONNECTIONS ) )(), [ messageComponents.ALL_MESSAGES.DATA ]: { type: 'object', properties: { [ messageComponents.SET_SPHERE_CONNECTIONS.SPHERE_ID ]: { type: 'string', format: 'uuid' }, [ messageComponents.SET_SPHERE_CONNECTIONS.CONNECTIONS ]: { type: 'array', items: { type: 'string', format: 'uuid' } } }, required: [ messageComponents.SET_SPHERE_CONNECTIONS.SPHERE_ID, messageComponents.SET_SPHERE_CONNECTIONS.CONNECTIONS ] } }, required: [ messageComponents.ALL_MESSAGES.TYPE, messageComponents.ALL_MESSAGES.DATA ] }; /******************************************************************************* * MAPPING FROM INCOMING MESSAGE TYPES TO APPROPRIATE SCHEMA COMPONENTS ********************************************************************************/ const incomingMessageSchemaDefinitions = ( () => { let definitions = {}; let m = messageTypes; definitions[ m.EXIT_ROOM ] = exitRoomMessageSchema; definitions[ m.UPDATE_CLIENT_COORDS ] = updateClientCoordsMessageSchema; definitions[ m.CREATE_SPHERE_OF_TONE_AT_POSITION ] = createSphereOfToneAtPositionMessageSchema; definitions[ m.GRAB_SPHERE ] = grabSphereMessageSchema; definitions[ m.RELEASE_SPHERE ] = releaseSphereMessageSchema; definitions[ m.DELETE_SPHERE ] = deleteSphereMessageSchema; definitions[ m.STRIKE_SPHERE ] = strikeSphereMessageSchema; definitions[ m.SET_SPHERE_TONE ] = setSphereToneMessageSchema; definitions[ m.SET_SPHERE_CONNECTIONS ] = setSphereConnectionsMessageSchema; return definitions; })(); /******************************************************************************* * COMPONENT DEFINITIONS REFERRED TO IN MESSAGE TYPES, MUST BE INCLUDED IN SCHEMA ********************************************************************************/ const componentDefinitions = { // an x-y-z coordinate [ messageComponents.REFERENCES.COORDINATE ]: { type: 'object', properties: { [ messageComponents.REF_COORDINATE.X ]: { type: 'number' }, [ messageComponents.REF_COORDINATE.Y ]: { type: 'number' }, [ messageComponents.REF_COORDINATE.Z ]: { type: 'number' } }, required: [ messageComponents.REF_COORDINATE.X, messageComponents.REF_COORDINATE.Y, messageComponents.REF_COORDINATE.Z ] }, // a pair of coordinates for rotation/position [ messageComponents.REFERENCES.COORDINATE_SET ]: { type: 'object', properties: { [ messageComponents.REF_COORDINATE_SET.POSITION ]: { '$ref': `#/definitions/${messageComponents.REFERENCES.COORDINATE}` }, [ messageComponents.REF_COORDINATE_SET.ROTATION ]: { '$ref': `#/definitions/${messageComponents.REFERENCES.COORDINATE}` } }, required: [ messageComponents.REF_COORDINATE_SET.POSITION, messageComponents.REF_COORDINATE_SET.ROTATION ] } }; /******************************************************************************* * COMBINED LIST OF COMPONENT AND MESSAGE DEFINITIONS INCLUDED IN MAIN SCHEMA ********************************************************************************/ const messageSchemaDefinitions = Object.assign( componentDefinitions, incomingMessageSchemaDefinitions ); /******************************************************************************* * PROPERTIES USED IN MAIN SCHEMA ********************************************************************************/ /* * list of message types defined as properties in schema, * dynamically defined from the list of incoming message schema definitions * * comes out looking like this, as per JSON schema reqs: * * properties = { * room_client_position_update: { * '$ref': '#/definitions/room_client_position_update' * } * } */ const messageSchemaProperties = ( () => { let properties = {}; Object.keys( incomingMessageSchemaDefinitions ).forEach( ( messageTypeName ) => { properties[ messageTypeName ] = { '$ref': `#/definitions/${messageTypeName}` } } ); return properties; })(); /******************************************************************************* * MAIN SCHEMA OBJECT INCORPORATING DEFINITIONS AND PROPERTIES FROM ABOVE *******************************************************************************/ const messageSchema = { // these are type definitions shared by multiple objects definitions: messageSchemaDefinitions, // these are the various types properties: messageSchemaProperties }; export { messageSchema } ================================================ FILE: backend/src/messages/message-validator.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import ajv from 'ajv'; import { deserialize } from '../s11n'; import { messageSchema } from './message-schema'; import messageConstants from './message-constants'; const messageComponents = messageConstants.INCOMING_MESSAGE_COMPONENTS; /* * create a validator object for all incoming messages */ let ajvOptions = { allErrors: true, // log all validation errors, not just first removeAdditional: "all" // this modifies the original message(!) }; let validator = new ajv( ajvOptions ); let validate = validator.compile( messageSchema ); let messageTypesNotRequiringData = [ messageConstants.INCOMING_MESSAGE_TYPES.EXIT_ROOM ]; /* * validates messages received over the wire against the appropriate schema. * called from messageHandler:handleWebsocketMessageWithStore(). * * any kind of validation issue throws an exception, and messageHandler * drops the message. */ const validateMessage = ( wireMessage ) => { let deserializedMessage; try { deserializedMessage = deserialize( wireMessage ); } catch( error ) { throw error; } // only validate if there's a message type if( !deserializedMessage[ messageComponents.ALL_MESSAGES.TYPE ] ) { throw new Error( `incoming message has no '${messageComponents.ALL_MESSAGES.TYPE}' property` ); } // only validate if there's message data if( !deserializedMessage[ messageComponents.ALL_MESSAGES.DATA ] ) { // except for message types that don't require message data if( messageTypesNotRequiringData.indexOf( deserializedMessage[ messageComponents.ALL_MESSAGES.TYPE ] ) < 0 ) { throw new Error( `incoming message has no '${messageComponents.ALL_MESSAGES.DATA}' property` ); } } // only validate if it's an acceptable message type if( !isValidMessageType( deserializedMessage[ messageComponents.ALL_MESSAGES.TYPE ] ) ) { throw new Error( `incoming message has invalid type '${deserializedMessage[ messageComponents.ALL_MESSAGES.TYPE ]}'` ); } // run the validator return validateMessageOfType( deserializedMessage, deserializedMessage[ messageComponents.ALL_MESSAGES.TYPE ] ); }; /* * check the provided type is in the top level 'properties' of the messageSchema */ const isValidMessageType = ( type ) => { return Object.keys( messageSchema.properties ).indexOf( type ) > -1; }; /* * validator function for incoming messages */ const validateMessageOfType = ( message, type ) => { let objectToValidate = {}; objectToValidate[ type ] = message; let valid = validate( objectToValidate ) if( valid !== true ) { let errorMsgs = validate.errors.map( ( error ) => { return `${error.dataPath} ${error.message}`; } ); let errorMsg = errorMsgs.join( '; ' ); throw new Error( errorMsg ); } return message; }; export default { validateMessage }; ================================================ FILE: backend/src/pubsub/index.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import pubsubClient from './pubsub-client'; export { pubsubClient }; ================================================ FILE: backend/src/pubsub/pubsub-client.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import pubsub from '@google-cloud/pubsub'; import config from '../config'; import { logger } from '../logger'; let client = ( ( conf ) => { if( !client ) { if( process.env.PUBSUB_EMULATOR_HOST ) { logger.info( `using PubSub emulator running at ${process.env.PUBSUB_EMULATOR_HOST}` ); } else { logger.info( `using live PubSub on GCP` ); } client = pubsub( conf ); } return client; })( config ); const createPubsubTopic = function* ( topicName ) { return yield client.createTopic( topicName ); }; const getPubsubTopic = function* ( topicName ) { return yield client.topic( topicName ); }; export default { createPubsubTopic, getPubsubTopic }; ================================================ FILE: backend/src/rooms/index.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import roomDataActions from './room-data-actions'; import roomDataConstants from './room-data-constants'; import roomDataReducer from './room-data-reducer'; import roomNames from './room-names'; import roomSagas from './room-sagas'; import roomStateActions from './room-state-actions'; import roomStateConstants from './room-state-constants'; import roomStateReducer from './room-state-reducer'; import roomStateUtils from './room-state-utils'; export { roomDataActions, roomDataConstants, roomDataReducer, roomNames, roomSagas, roomStateActions, roomStateConstants, roomStateReducer, roomStateUtils }; ================================================ FILE: backend/src/rooms/room-data-actions.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import constants from './room-data-constants'; /******************************************************************************* * ADD/REMOVE CLIENTS TO/FROM ROOMS *******************************************************************************/ const addWebsocketToQueueForRoomRequestAction = ( wsId, roomName ) => { let type = constants.ACTION_TYPES.ADD_WEBSOCKET_TO_QUEUE_FOR_ROOM; return { type, wsId, roomName }; }; const removeWebsocketFromQueueForRoomRequestAction = ( wsId, roomName ) => { let type = constants.ACTION_TYPES.REMOVE_WEBSOCKET_FROM_QUEUE_FOR_ROOM; return { type, wsId, roomName }; }; const addLocalClientToRoomRequestAction = ( clientId, clientHeadsetType, roomName ) => { let type = constants.ACTION_TYPES.ADD_LOCAL_CLIENT_TO_ROOM; return { type, clientId, clientHeadsetType, roomName }; }; const removeLocalClientFromRoomRequestAction = ( clientId, roomName ) => { let type = constants.ACTION_TYPES.REMOVE_LOCAL_CLIENT_FROM_ROOM; return { type, clientId, roomName }; }; /******************************************************************************* * ROOM SETUP/MAINTAIN/TEARDOWN *******************************************************************************/ const setLastHeartbeatCountForRoomRequestAction = ( count, roomName ) => { let type = constants.ACTION_TYPES.UPDATE_LAST_HEARTBEAT_FOR_ROOM; return { type, count, roomName }; }; const setHeartbeatTaskForRoomRequestAction = ( heartbeatTask, roomName ) => { let type = constants.ACTION_TYPES.SET_HEARTBEAT_TASK_FOR_ROOM; return { type, heartbeatTask, roomName }; }; const removeHeartbeatTaskForRoomRequestAction = ( roomName ) => { let type = constants.ACTION_TYPES.REMOVE_HEARTBEAT_TASK_FOR_ROOM; return { type, roomName }; }; const cancelHeartbeatTaskForRoomRequestAction = ( roomName ) => { let type = constants.ACTION_TYPES.CANCEL_HEARTBEAT_TASK_FOR_ROOM; return { type, roomName }; }; const checkForEmptyRoomRequestAction = ( roomName ) => { let type = constants.ACTION_TYPES.CHECK_FOR_EMPTY_ROOM; return { type, roomName }; }; /******************************************************************************* * SPHERE STATE ACTIONS *******************************************************************************/ const addSphereOfToneAtPositionInRoomRequestAction = ( newSphereId, tone, position, roomName ) => { let type = constants.ACTION_TYPES.ADD_SPHERE_OF_TONE_AT_POSITION_IN_ROOM; return { type, newSphereId, tone, position, roomName }; }; const createHoldOnSphereForClientInRoomRequestAction = ( sphereId, clientId, roomName ) => { let type = constants.ACTION_TYPES.CREATE_HOLD_ON_SPHERE_FOR_CLIENT_IN_ROOM; return { type, sphereId, clientId, roomName }; }; const setHoldTimeoutTaskForSphereInRoomRequestAction = ( timeoutTask, sphereId, roomName ) => { let type = constants.ACTION_TYPES.SET_HOLD_TIMEOUT_TASK_FOR_SPHERE_IN_ROOM; return { type, timeoutTask, sphereId, roomName }; }; const deleteHoldTimeoutTaskForSphereInRoomRequestAction = ( sphereId, roomName ) => { let type = constants.ACTION_TYPES.DELETE_HOLD_TIMEOUT_TASK_FOR_SPHERE_IN_ROOM; return { type, sphereId, roomName }; }; const setPositionForSphereInRoomRequestAction = ( position, sphereId, roomName ) => { let type = constants.ACTION_TYPES.SET_POSITION_FOR_SPHERE_IN_ROOM; return { type, position, sphereId, roomName }; }; const setToneForSphereInRoomRequestAction = ( tone, sphereId, roomName ) => { let type = constants.ACTION_TYPES.SET_TONE_FOR_SPHERE_IN_ROOM; return { type, tone, sphereId, roomName }; }; const setConnectionsForSphereInRoomRequestAction = ( connections, sphereId, roomName ) => { let type = constants.ACTION_TYPES.SET_CONNECTIONS_FOR_SPHERE_IN_ROOM; return { type, connections, sphereId, roomName }; }; const removeHoldOnSphereForClientInRoomRequestAction = ( sphereId, clientId, roomName ) => { let type = constants.ACTION_TYPES.REMOVE_HOLD_ON_SPHERE_FOR_CLIENT_IN_ROOM; return { type, sphereId, clientId, roomName }; }; const deleteSphereFromRoomRequestAction = ( sphereId, roomName ) => { let type = constants.ACTION_TYPES.DELETE_SPHERE_FROM_ROOM; return { type, sphereId, roomName }; }; /******************************************************************************* * PUBLISH MESSAGE *******************************************************************************/ const publishMessageToRoomRequestAction = ( message, roomName ) => { let type = constants.ACTION_TYPES.PUBLISH_MESSAGE_TO_ROOM; return { type, message, roomName }; }; export default { // add/remove clients to/from rooms addWebsocketToQueueForRoomRequestAction, removeWebsocketFromQueueForRoomRequestAction, addLocalClientToRoomRequestAction, removeLocalClientFromRoomRequestAction, // room setup/maintain/teardown setLastHeartbeatCountForRoomRequestAction, setHeartbeatTaskForRoomRequestAction, removeHeartbeatTaskForRoomRequestAction, cancelHeartbeatTaskForRoomRequestAction, checkForEmptyRoomRequestAction, // sphere state actions addSphereOfToneAtPositionInRoomRequestAction, createHoldOnSphereForClientInRoomRequestAction, setHoldTimeoutTaskForSphereInRoomRequestAction, deleteHoldTimeoutTaskForSphereInRoomRequestAction, setPositionForSphereInRoomRequestAction, setToneForSphereInRoomRequestAction, setConnectionsForSphereInRoomRequestAction, removeHoldOnSphereForClientInRoomRequestAction, deleteSphereFromRoomRequestAction, // publish message saga action publishMessageToRoomRequestAction }; ================================================ FILE: backend/src/rooms/room-data-constants.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { HEADSET_TYPES } from '../messages/message-constants'; const ACTION_TYPES = { ADD_WEBSOCKET_TO_QUEUE_FOR_ROOM: 'add_websocket_to_queue_for_room', REMOVE_WEBSOCKET_FROM_QUEUE_FOR_ROOM: 'remove_websocket_from_queue_for_room', ADD_LOCAL_CLIENT_TO_ROOM: 'add_local_client_to_room', REMOVE_LOCAL_CLIENT_FROM_ROOM: 'remove_local_client_from_room', // room setup/teardown UPDATE_LAST_HEARTBEAT_FOR_ROOM: 'update_last_heartbeat_for_room', SET_HEARTBEAT_TASK_FOR_ROOM: 'set_heartbeat_task_for_room', REMOVE_HEARTBEAT_TASK_FOR_ROOM: 'remove_heartbeat_task_for_room', CANCEL_HEARTBEAT_TASK_FOR_ROOM: 'cancel_heartbeat_task_for_room', CHECK_FOR_EMPTY_ROOM: 'check_for_empty_room', // client state actions SET_COORDS_FOR_CLIENT_IN_ROOM: 'set_coords_for_client_in_room', REMOVE_CLIENT_FROM_ROOM: 'remove_client_from_room', // sphere state actions ADD_SPHERE_OF_TONE_AT_POSITION_IN_ROOM: 'add_sphere_of_tone_at_position_in_room', SET_POSITION_FOR_SPHERE_IN_ROOM: 'set_position_for_sphere_in_room', SET_TONE_FOR_SPHERE_IN_ROOM: 'set_tone_for_sphere_in_room', SET_CONNECTIONS_FOR_SPHERE_IN_ROOM: 'set_connections_for_sphere_in_room', CREATE_HOLD_ON_SPHERE_FOR_CLIENT_IN_ROOM: 'create_hold_on_sphere_for_client_in_room', SET_HOLD_TIMEOUT_TASK_FOR_SPHERE_IN_ROOM: 'set_hold_timeout_task_for_sphere_in_room', DELETE_HOLD_TIMEOUT_TASK_FOR_SPHERE_IN_ROOM: 'delete_hold_timeout_task_for_sphere_in_room', REMOVE_HOLD_ON_SPHERE_FOR_CLIENT_IN_ROOM: 'remove_hold_on_sphere_for_client_in_room', DELETE_SPHERE_FROM_ROOM: 'delete_sphere_from_room', // publish to clients in room PUBLISH_MESSAGE_TO_ROOM: 'publish_message_to_room' }; const CLIENT_INFO = { CLIENT_TYPE_LOCAL: 'client_type_local', CLIENT_TYPE_REMOTE: 'client_type_remote', CLIENT_INACTIVITY_TIMEOUTS_IN_MS: { [ HEADSET_TYPES.HEADSET_TYPE_3DOF ]: 120000, // 2m [ HEADSET_TYPES.HEADSET_TYPE_6DOF ]: 120000, // 2m [ HEADSET_TYPES.HEADSET_TYPE_VIEWER ]: 120000, // 2m }, CLIENT_INACTIVITY_TIMEOUT_CHECKS_IN_MS: { [ HEADSET_TYPES.HEADSET_TYPE_3DOF ]: 30000, // 30s [ HEADSET_TYPES.HEADSET_TYPE_6DOF ]: 30000, // 30s [ HEADSET_TYPES.HEADSET_TYPE_VIEWER ]: 30000, // 30s } }; const ERROR_TYPES = { ROOM_TIMEOUT: 'room_timeout', JOINING_ROOM: 'error_joining_room', ROOM_FULL: 'error_room_full', WAITING_FOR_STATE: 'waiting_for_state' }; const ROOM_INFO = { MINIMUM_SOUNDBANK_NUMBER: 0, MAXIMUM_SOUNDBANK_NUMBER: 2 }; const SPHERE_INFO = { SPHERE_HOLD_TIMEOUT_IN_MS: 10000, SPHERE_HOLD_TIMEOUT_CHECK_IN_MS: 2500 }; export default { ACTION_TYPES, CLIENT_INFO, ERROR_TYPES, ROOM_INFO, SPHERE_INFO }; ================================================ FILE: backend/src/rooms/room-data-reducer.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import redux from 'redux'; import uuid from 'uuid'; import sizeof from 'object-sizeof'; import util from 'util'; import { initStateObject, createFilteredActionHandler } from '../utils/reducer-utils'; import { logger } from '../logger'; import messageConstants from '../messages/message-constants'; const HT_3DOF = messageConstants.HEADSET_TYPES.HEADSET_TYPE_3DOF; const HT_6DOF = messageConstants.HEADSET_TYPES.HEADSET_TYPE_6DOF; const HT_VIEW = messageConstants.HEADSET_TYPES.HEADSET_TYPE_VIEWER; const CONNECTIONS_LABEL = messageConstants.OUTGOING_MESSAGE_COMPONENTS.ROOM_STATUS_INFO.CONNECTIONS; const POSITION_LABEL = messageConstants.OUTGOING_MESSAGE_COMPONENTS.ROOM_STATUS_INFO.POSITION; const TONE_LABEL = messageConstants.OUTGOING_MESSAGE_COMPONENTS.ROOM_STATUS_INFO.TONE; import { makeSphereOfToneAtPosition, sphereConstants, trees } from '../spheres'; import config from '../config'; import roomDataConstants from './room-data-constants'; import roomStateConstants from './room-state-constants'; import roomNames from './room-names'; /******************************************************************************* * HELPER FUNCTIONS *******************************************************************************/ const createEmptyRoom = () => { return { heartbeatTask: null, lastHeartbeat: { count: 0, timestamp: 0 }, setupComplete: false, waitingForStateStatus: false, checkingForEmptyRoomStatus: false, soundbank: null, spheres: {}, websockets: {}, clients: {} }; }; const createNewRoom = () => { let emptyRoom = createEmptyRoom(); emptyRoom.soundbank = getRandomInt( roomDataConstants.ROOM_INFO.MINIMUM_SOUNDBANK_NUMBER, roomDataConstants.ROOM_INFO.MAXIMUM_SOUNDBANK_NUMBER ); emptyRoom.spheres = generateSpheresForRoom( emptyRoom.soundbank ); return emptyRoom; }; const generateSpheresForRoom = ( soundbank ) => { const roomSpheres = {} function dist(a, b){ return Math.sqrt(Math.pow(a.x - b.x, 2) + // Math.pow(a.y - b.y, 2) + Math.pow(a.z - b.z, 2)) } function randomPos(){ const rad = 2.5 const pos = { x : Math.random() * rad - rad/2, y : Math.random() * 0.7 + 0.9, z : Math.random() * rad - rad/2 } // check that the position is not too close to any other sphere let closestDist = Infinity for (let id in roomSpheres){ const roomPos = roomSpheres[id][POSITION_LABEL] closestDist = Math.min(dist(pos, roomPos), closestDist) } //only return the position if its greater than the thresh if (closestDist > 0.5){ return pos } else { //otherwise generate a new one return randomPos() } } for (let i = 0; i < 10; i++){ roomSpheres[uuid()] = { [TONE_LABEL] : getRandomInt(sphereConstants.SPHERE_INFO.LOWEST_TONE, sphereConstants.SPHERE_INFO.HIGHEST_TONE), [POSITION_LABEL] : randomPos() } } // return spheres return roomSpheres; }; const getRandomInt = ( min, max ) => { let intMin = Math.ceil( min ); let intMax = Math.floor( max ); return Math.floor( Math.random() * ( intMax - intMin + 1 ) ) + intMin; }; const getZeroCoordsForNewClient = () => { return { head: { position: { x: 0, y: 0, z: 0 }, rotation: { x: 0, y: 0, z: 0 } }, left: { position: { x: 0, y: 0, z: 0 }, rotation: { x: 0, y: 0, z: 0 } }, right: { position: { x: 0, y: 0, z: 0 }, rotation: { x: 0, y: 0, z: 0 } } }; }; /******************************************************************************* * GENERATE INITIAL EMPTY STATE FOR ALL ROOMS *******************************************************************************/ // dictionary of empty room data objects for all names const initialState = ( () => { let createFunction = () => { return { queue: [], tasks: {} }; }; return { rooms: initStateObject( roomNames, createFunction, 'room data objects', logger ), avails: ( () => { let obj = {}; Object.values( messageConstants.HEADSET_TYPES ).forEach( ( headsetType ) => { obj[ headsetType ] = {}; } ); return obj; } )() }; })(); /******************************************************************************* * ROOM INFO/STATUS REDUCER FUNCTIONS *******************************************************************************/ // create a new room state including spheres // action: { roomName } const initRoomContent = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } state.rooms[ action.roomName ].content = createNewRoom(); logger.trace( `created default content for new room ${action.roomName}` ); return state; }; // action: { wsId, roomName } const addWebsocketToQueueForRoom = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } if( state.rooms[ action.roomName ].queue.indexOf( action.wsId ) >= 0 ) { return state; } state.rooms[ action.roomName ].queue.push( action.wsId ); logger.trace( `[+] ${state.rooms[ action.roomName ].queue.length} websockets in queue for room ${action.roomName}` ); return state; }; // action: { wsId, roomName } const removeWebsocketFromQueueForRoom = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } state.rooms[ action.roomName ].queue = state.rooms[ action.roomName ].queue.filter( ( clientId ) => { return clientId != action.wsId; } ); logger.trace( `[-] ${state.rooms[ action.roomName ].queue.length} websockets in queue for room ${action.roomName}` ); return state; }; /******************************************************************************* * CLIENT REDUCER FUNCTIONS *******************************************************************************/ // action: { clientId, roomName } const addLocalClientToRoom = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } let roomClients = state.rooms[ action.roomName ].content.clients; if( typeof roomClients[ action.clientId ] !== 'undefined' ) { return state; } roomClients[ action.clientId ] = { headsetType: action.clientHeadsetType, coords: getZeroCoordsForNewClient(), spheresHeld: {} } logger.trace( `[+] there are now ${Object.keys( roomClients ).length} total clients in room '${action.roomName}'` ); return updateClientCountsForRoom( state, action ); }; // action: { clientId, roomName } const removeLocalClientFromRoom = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } state.rooms[ action.roomName ].content.clients[ action.clientId ] = null; delete state.rooms[ action.roomName ].content.clients[ action.clientId ]; let roomClients = state.rooms[ action.roomName ].content.clients; logger.trace( `[-] there are now ${Object.keys( roomClients ).length} total clients in room '${action.roomName}'` ); return updateClientCountsForRoom( state, action ); }; /* * for a room to be available to 6dof: * * 6dof must be less than 6dofThreshold * 3dof + 6dof must be less than 3dofThreshold + 6dofThreshold * 3dof + 6dof + viewers must be less than maxClientsPerRoom * * for a room to be available to 3dof: * * 3dof must be less than 3dofThreshold * 3dof + 6dof must be less than 3dofThreshold + 6dofThreshold * 3dof + 6dof + viewers must be less than maxClientsPerRoom * * for a room to be available to viewer: * * 3dof + 6dof + viewers must be less than maxClientsPerRoom */ const updateClientCountsForRoom = ( state, action ) => { // this gives { '3dof': 2, '6dof': 1, viewer: 4 } let clientCounts = Object.values( state.rooms[ action.roomName ].content.clients ).reduce( ( acc, client ) => { acc[ client.headsetType ] = acc[ client.headsetType ] + 1; return acc; }, ( () => { let obj = {}; Object.values( messageConstants.HEADSET_TYPES ).forEach( ( headsetType ) => { obj[ headsetType ] = 0; } ); return obj; } )() ); // this gives { '3dof': 2 + '6dof': 1 + viewer: 4 } = totalClients: 7 let totalClients = Object.values( clientCounts ).reduce( ( acc, count ) => { return acc + count; }, 0 ); // if the room's full, it's not available at all; // if it's empty, it doesn't go in the availability lists, // as it'll be found from the list of INIT-state rooms // in roomStateReducer.roomsByState if( totalClients >= config.maxClientsPerRoom || totalClients === 0) { delete state.avails[ HT_6DOF ][ action.roomName ]; delete state.avails[ HT_3DOF ][ action.roomName ]; delete state.avails[ HT_VIEW ][ action.roomName ]; return state; } else { state.avails[ HT_VIEW ][ action.roomName ] = true; } let num6dof = clientCounts[ HT_6DOF ]; let num3dof = clientCounts[ HT_3DOF ]; let numViewers = clientCounts[ HT_VIEW ]; let threshold6dof = config.headsetRules[ HT_6DOF ].threshold; let threshold3dof = config.headsetRules[ HT_3DOF ].threshold; let thresholdViewer = config.headsetRules[ HT_VIEW ].threshold; let totalStrikers = num6dof + num3dof; let strikerThreshold = threshold6dof + threshold3dof; if( num6dof < threshold6dof && totalStrikers < strikerThreshold ) { state.avails[ HT_6DOF ][ action.roomName ] = true; } else { delete state.avails[ HT_6DOF ][ action.roomName ]; } if( num3dof < threshold3dof && totalStrikers < strikerThreshold ) { state.avails[ HT_3DOF ][ action.roomName ] = true; } else { delete state.avails[ HT_3DOF ][ action.roomName ]; } return state; }; // action: { count, roomName } const setLastHeartbeatCountForRoom = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } let newHeartbeat = { count: action.count, timestamp: Date.now() }; state.rooms[ action.roomName ].content.lastHeartbeat = newHeartbeat; return state; }; // action: { heartbeatTask, roomName } const setHeartbeatTaskForRoom = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } state.rooms[ action.roomName ].tasks.heartbeat = action.heartbeatTask; return state; }; // action: { roomName } const removeHeartbeatTaskForRoom = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } state.rooms[ action.roomName ].tasks.heartbeat = null; delete state.rooms[ action.roomName ].tasks.heartbeat; return state; }; /******************************************************************************* * SPHERE REDUCER FUNCTIONS *******************************************************************************/ // - called via redux-action from message-sagas:createSphereAtPositionInRoom // action: { newSphereId, position, tone, roomName } const addSphereOfToneAtPositionInRoom = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } try { state.rooms[ action.roomName ].content.spheres[ action.newSphereId ] = makeSphereOfToneAtPosition( action.tone, action.position ); return state; } catch( error ) { logger.warn( `caught error trying to create new sphere: ${error.message}` ); } }; // - called via redux-action from message-sagas:updateClientCoords // - spheres in state are sent direct to clients, so use const labels // - action properties are fixed rather than using messageConstants // - sphere.position is a coordinates object as per message schema // action: { position, sphereId, roomName } const setPositionForSphereInRoom = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } if( typeof state.rooms[ action.roomName ].content.spheres[ action.sphereId ] === 'undefined' ) { return state; } const positionLabel = messageConstants.INCOMING_MESSAGE_COMPONENTS.UPDATE_CLIENT_COORDS.SPHERE_POSITION; state.rooms[ action.roomName ].content.spheres[ action.sphereId ][ positionLabel ] = action.position; if( state.rooms[ action.roomName ].content.spheres[ action.sphereId ].hold ) { state.rooms[ action.roomName ].content.spheres[ action.sphereId ].hold.ts = Date.now(); } return state; }; // - called via redux-action from message-sagas:setSphereConnections // - spheres in state are sent direct to clients, so use const labels // - action properties are fixed rather than using messageConstants // action: { connections, sphereId, roomName } const setConnectionsForSphereInRoom = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } if( typeof state.rooms[ action.roomName ].content.spheres[ action.sphereId ] === 'undefined' ) { return state; } const connectionsLabel = messageConstants.INCOMING_MESSAGE_COMPONENTS.SET_SPHERE_CONNECTIONS.CONNECTIONS; state.rooms[ action.roomName ].content.spheres[ action.sphereId ][ connectionsLabel ] = action.connections; if( state.rooms[ action.roomName ].content.spheres[ action.sphereId ].hold ) { state.rooms[ action.roomName ].content.spheres[ action.sphereId ].hold.ts = Date.now(); } return state; }; // - called via redux-action from message-sagas:setSphereTone // - spheres in state are sent direct to clients, so use const labels // - action properties are fixed rather than using messageConstants // action: { tone, sphereId, roomName } const setToneForSphereInRoom = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } if( typeof state.rooms[ action.roomName ].content.spheres[ action.sphereId ] === 'undefined' ) { return state; } const toneLabel = messageConstants.INCOMING_MESSAGE_COMPONENTS.SET_SPHERE_TONE.TONE; state.rooms[ action.roomName ].content.spheres[ action.sphereId ][ toneLabel ] = action.tone; if( state.rooms[ action.roomName ].content.spheres[ action.sphereId ].hold ) { state.rooms[ action.roomName ].content.spheres[ action.sphereId ].hold.ts = Date.now(); } return state; }; // - called via redux-action from message-sagas:grabSphere // action: { sphereId, clientId, roomName } const createHoldOnSphereForClientInRoom = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } if( typeof state.rooms[ action.roomName ].content.spheres[ action.sphereId ] === 'undefined' ) { return state; } if( typeof state.rooms[ action.roomName ].content.clients[ action.clientId ] === 'undefined' ) { return state; } // set a hold property on the sphere state.rooms[ action.roomName ].content.spheres[ action.sphereId ].hold = { clientId: action.clientId, ts: Date.now() }; // mark the client as holding this sphere state.rooms[ action.roomName ].content.clients[ action.clientId ].spheresHeld[ action.sphereId ] = true; return state; }; // - called from room-sagas:startSphereHoldTimeout // - triggered when a sphere hold is created // action: { timeoutTask, sphereId, roomName } const setHoldTimeoutTaskForSphereInRoom = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } if( typeof state.rooms[ action.roomName ].content.spheres[ action.sphereId ] === 'undefined' ) { return state; } if( typeof state.rooms[ action.roomName ].content.spheres[ action.sphereId ].hold === 'undefined' ) { return state; } state.rooms[ action.roomName ].content.spheres[ action.sphereId ].hold.timeoutTask = action.timeoutTask; return state; }; // action: { sphereId, roomName } const deleteHoldTimeoutTaskForSphereInRoom = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } if( typeof state.rooms[ action.roomName ].content.spheres[ action.sphereId ] === 'undefined' ) { return state; } if( typeof state.rooms[ action.roomName ].content.spheres[ action.sphereId ].hold === 'undefined' ) { return state; } state.rooms[ action.roomName ].content.spheres[ action.sphereId ].hold.timeoutTask = null; delete state.rooms[ action.roomName ].content.spheres[ action.sphereId ].hold.timeoutTask; return state; }; // - called via redux-action from message-sagas:releaseSphere // action: { sphereId, clientId, roomName } const removeHoldOnSphereForClientInRoom = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } if( typeof state.rooms[ action.roomName ].content.spheres[ action.sphereId ] === 'undefined' ) { return state; } if( typeof state.rooms[ action.roomName ].content.clients[ action.clientId ] === 'undefined' ) { return state; } if( state.rooms[ action.roomName ].content.spheres[ action.sphereId ].hold.clientId == action.clientId ) { // release the sphere hold so other clients can grab it state.rooms[ action.roomName ].content.spheres[ action.sphereId ].hold = null; delete state.rooms[ action.roomName ].content.spheres[ action.sphereId ].hold; // disassociate the sphere from the client so it can't update it any more state.rooms[ action.roomName ].content.clients[ action.clientId ].spheresHeld[ action.sphereId ] = null; delete state.rooms[ action.roomName ].content.clients[ action.clientId ].spheresHeld[ action.sphereId ]; } return state; }; // - called via redux-action from message-sagas:deleteSphere // action: { sphereId, roomName } const deleteSphereFromRoom = ( state, action ) => { if( typeof action.roomName === 'undefined' ) { return state; } if( typeof state.rooms[ action.roomName ].content.spheres[ action.sphereId ] === 'undefined' ) { return state; } state.rooms[ action.roomName ].content.spheres[ action.sphereId ] = null; delete state.rooms[ action.roomName ].content.spheres[ action.sphereId ]; return state; }; const actionHandlers = { // room setup/teardown [ roomStateConstants.EVENT_TYPES.INIT_ROOM_CONTENT ]: initRoomContent, [ roomDataConstants.ACTION_TYPES.ADD_WEBSOCKET_TO_QUEUE_FOR_ROOM ]: addWebsocketToQueueForRoom, [ roomDataConstants.ACTION_TYPES.REMOVE_WEBSOCKET_FROM_QUEUE_FOR_ROOM ]: removeWebsocketFromQueueForRoom, [ roomDataConstants.ACTION_TYPES.ADD_LOCAL_CLIENT_TO_ROOM ]: addLocalClientToRoom, [ roomDataConstants.ACTION_TYPES.REMOVE_LOCAL_CLIENT_FROM_ROOM ]: removeLocalClientFromRoom, [ roomDataConstants.ACTION_TYPES.UPDATE_LAST_HEARTBEAT_FOR_ROOM ]: setLastHeartbeatCountForRoom, [ roomDataConstants.ACTION_TYPES.SET_HEARTBEAT_TASK_FOR_ROOM ]: setHeartbeatTaskForRoom, [ roomDataConstants.ACTION_TYPES.REMOVE_HEARTBEAT_TASK_FOR_ROOM ]: removeHeartbeatTaskForRoom, // sphere state actions [ roomDataConstants.ACTION_TYPES.ADD_SPHERE_OF_TONE_AT_POSITION_IN_ROOM ]: addSphereOfToneAtPositionInRoom, [ roomDataConstants.ACTION_TYPES.SET_POSITION_FOR_SPHERE_IN_ROOM ]: setPositionForSphereInRoom, [ roomDataConstants.ACTION_TYPES.SET_TONE_FOR_SPHERE_IN_ROOM ]: setToneForSphereInRoom, [ roomDataConstants.ACTION_TYPES.SET_CONNECTIONS_FOR_SPHERE_IN_ROOM ]: setConnectionsForSphereInRoom, [ roomDataConstants.ACTION_TYPES.CREATE_HOLD_ON_SPHERE_FOR_CLIENT_IN_ROOM ]: createHoldOnSphereForClientInRoom, [ roomDataConstants.ACTION_TYPES.SET_HOLD_TIMEOUT_TASK_FOR_SPHERE_IN_ROOM ]: setHoldTimeoutTaskForSphereInRoom, [ roomDataConstants.ACTION_TYPES.DELETE_HOLD_TIMEOUT_TASK_FOR_SPHERE_IN_ROOM ]: deleteHoldTimeoutTaskForSphereInRoom, [ roomDataConstants.ACTION_TYPES.REMOVE_HOLD_ON_SPHERE_FOR_CLIENT_IN_ROOM ]: removeHoldOnSphereForClientInRoom, [ roomDataConstants.ACTION_TYPES.DELETE_SPHERE_FROM_ROOM ]: deleteSphereFromRoom }; export default createFilteredActionHandler( actionHandlers, initialState ); ================================================ FILE: backend/src/rooms/room-names.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const roomNames = 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export default roomNames; ================================================ FILE: backend/src/rooms/room-sagas.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { delay, takeEvery, takeLatest } from 'redux-saga'; import { call, cancel, cancelled, put, fork, spawn, select } from 'redux-saga/effects'; import uuid from 'uuid'; import { logger } from '../logger'; import { messageHandler } from '../messages'; import { serverActions, serverConstants } from '../server'; import { sphereConstants } from '../spheres'; import { makeWsReplyMessage, makeWsBroadcastMessage, sendWsMessageWithLogger, sendWsErrorWithLogger } from '../utils/websocket-utils'; import config from '../config'; import { sagaUtils } from '../utils'; import messageConstants from '../messages/message-constants'; import roomDataActions from './room-data-actions'; import roomDataConstants from './room-data-constants'; import roomNames from './room-names'; import roomStateActions from './room-state-actions'; import roomStateConstants from './room-state-constants'; import roomStateUtils from './room-state-utils'; const incomingMsgComponents = messageConstants.INCOMING_MESSAGE_COMPONENTS; const outgoingMsgComponents = messageConstants.OUTGOING_MESSAGE_COMPONENTS; /******************************************************************************* * START SETTING UP THE ROOM *******************************************************************************/ const startRoomSetup = function* ( action ) { let correctState = yield roomStateUtils.roomIsCurrentlyInState( action.roomName, roomStateConstants.STATES.STARTING_ROOM_SETUP ); if( correctState !== true ) { logger.warn( `not doing startRoomSetup, room ${action.roomName} not in state STARTING_ROOM_SETUP` ); return; } // tell the state machine this worked OK yield put( roomStateActions.notifyStartRoomSetupSuccessRequestAction( action.roomName ) ); }; const handleStartRoomSetupSuccess = function* ( action ) { let correctState = yield roomStateUtils.roomIsCurrentlyInState( action.roomName, roomStateConstants.STATES.ROOM_SETUP_STARTED ); if( correctState !== true ) { logger.warn( `not doing handleStartRoomSetupSuccess, room ${action.roomName} not in state ROOM_SETUP_STARTED` ); return; } // initialise the room state yield put( roomStateActions.initRoomContentRequestAction( action.roomName ) ); // check if it was initialised correctly let roomData = yield select( ( state ) => { return state.roomDataReducer.rooms[ action.roomName ]; } ); // tell the state machine what happened if( typeof roomData.content === 'object' ) { yield put( roomStateActions.notifyInitRoomContentSuccessRequestAction( action.roomName ) ); } else { yield put( roomStateActions.notifyInitRoomContentFailureRequestAction( action.roomName ) ); } }; /******************************************************************************* * HANDLE SUCCESSFUL ROOM STATE INIT *******************************************************************************/ const handleInitRoomContentSuccess = function* ( action ) { let correctState = yield roomStateUtils.roomIsCurrentlyInState( action.roomName, roomStateConstants.STATES.ROOM_CONTENT_INITED ); if( correctState !== true ) { logger.warn( `not doing handleInitRoomContentSuccess, room ${action.roomName} not in state ROOM_CONTENT_INITED` ); return; } // this is possibly an unnecessary state change(!), but it's explicit yield put( roomStateActions.startRoomHeartbeatRequestAction( action.roomName ) ); }; /******************************************************************************* * START HEARTBEAT FOR ROOM *******************************************************************************/ const startHeartbeatForRoom = function* ( action ) { let correctState = yield roomStateUtils.roomIsCurrentlyInState( action.roomName, roomStateConstants.STATES.STARTING_HEARTBEAT ); if( correctState !== true ) { logger.warn( `not doing startHeartbeatForRoom, room ${action.roomName} not in state ${acceptableStates}` ); return; } let { roomData, roomState } = yield select( ( state ) => { return { roomData: state.roomDataReducer.rooms, roomState: state.roomStateReducer }; } ); let lastHeartbeat, heartbeatCount; try { lastHeartbeat = roomData[ action.roomName ].content.lastHeartbeat; let roomStatus = roomState.rooms[ action.roomName ].status; logger.trace( `starting heartbeat for new room: ${action.roomName}` ); } catch( error ) { logger.error( `error trying to start heartbeat for room '${action.roomName}': ${error.message}` ); yield put( roomStateActions.notifyStartRoomHeartbeatFailureRequestAction( action.roomName ) ); return; } // fork a heartbeat task let heartbeatTask = yield fork( heartbeatTaskFunction, action.roomName ); // set it in state yield put( roomDataActions.setHeartbeatTaskForRoomRequestAction( heartbeatTask, action.roomName ) ); // check it got there roomData = yield select( ( state ) => { return state.roomDataReducer.rooms; } ); // tell the state-machine for the room what's happening if( roomData[ action.roomName ].tasks.heartbeat === heartbeatTask ) { yield put( roomStateActions.notifyStartRoomHeartbeatSuccessRequestAction( action.roomName ) ); } else { yield put( roomStateActions.notifyStartRoomHeartbeatFailureRequestAction( action.roomName ) ); } return; }; const heartbeatTaskFunction = function* ( roomName ) { try { let lastHeartbeatCount = 0; while( true ) { // get the latest status let roomData = yield select( ( state ) => { return state.roomDataReducer.rooms; } ); // if the state's been cleared, stop sending if( !roomData[ roomName ] ) { logger.trace( `state for room ${roomName} has been cleared, finishing heartbeat` ); break; } // update the second count let secondCount = ( lastHeartbeatCount * config.roomHeartbeatDelayInMs ) / 1000 ; // create a heartbeat message let heartbeatData = { [ outgoingMsgComponents.ROOM_HEARTBEAT.COUNT ]: lastHeartbeatCount, [ outgoingMsgComponents.ROOM_HEARTBEAT.SECONDS ]: secondCount }; let heartbeatMessage = makeWsBroadcastMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.ROOM_HEARTBEAT, heartbeatData ); // set the latest count in the state yield put( roomDataActions.setLastHeartbeatCountForRoomRequestAction( lastHeartbeatCount, roomName ) ); // publish to room yield put( roomDataActions.publishMessageToRoomRequestAction( heartbeatMessage, roomName ) ); // update the heartbeat count lastHeartbeatCount = lastHeartbeatCount + 1; // pause until next heartbeat yield delay( config.roomHeartbeatDelayInMs ); } } finally { if( yield cancelled() ) { logger.trace( `cancelling heartbeat task for room ${roomName} on request` ); yield put( roomDataActions.removeHeartbeatTaskForRoomRequestAction( roomName ) ); yield put( roomStateActions.notifyStopHeartbeatSuccessRequestAction( roomName ) ); } } }; /******************************************************************************* * ADD QUEUED WEBSOCKETS INTO ROOM AFTER SETUP *******************************************************************************/ const startProcessingQueue = function* ( action ) { let correctState = yield roomStateUtils.roomIsCurrentlyInState( action.roomName, roomStateConstants.STATES.HEARTBEAT_STARTED ); if( correctState !== true ) { logger.warn( `not doing startProcessingQueue, room ${action.roomName} not in state ${acceptableStates}` ); return; } // tell the state machine the queue's being processed yield put( roomStateActions.startProcessingQueueRequestAction( action.roomName ) ); let { serverState, roomData } = yield select( ( state ) => { return { serverState: state.serverReducer, roomData: state.roomDataReducer.rooms }; } ); logger.trace( `processing ${roomData[ action.roomName ].queue.length} websockets in queue for room ${action.roomName}` ); // if all the local clients in the queue left before the setup completed if( roomData[ action.roomName ].queue.length < 1 ) { logger.trace( `no clients left in queue for room ${action.roomName}, closing down room` ); // start closing down the room on this server yield put( roomStateActions.checkIfRoomEmptyRequestAction( action.roomName ) ); return; } for( let clientId of roomData[ action.roomName ].queue ) { let clientHeadsetType = serverState.websockets[ clientId ].headsetType; yield put( roomDataActions.addLocalClientToRoomRequestAction( clientId, clientHeadsetType, action.roomName ) ); yield put( roomDataActions.removeWebsocketFromQueueForRoomRequestAction( clientId, action.roomName ) ); } // tell the state machine the queue's been processed yield put( roomStateActions.notifyProcessQueueSuccessRequestAction( action.roomName ) ); }; const handleProcessQueueSuccess = function* ( action ) { let correctState = yield roomStateUtils.roomIsCurrentlyInState( action.roomName, roomStateConstants.STATES.READY ); if( correctState !== true ) { logger.warn( `not doing handleProcessQueueSuccess, room ${action.roomName} not in state READY` ); return; } let roomData = yield select( ( state ) => { return state.roomDataReducer.rooms; } ); // if the room's full if( Object.keys( roomData[ action.roomName ].content.clients ).length >= config.maxClientsPerRoom ) { // tell the state machine about it yield put( roomStateActions.setRoomFullRequestAction( action.roomName ) ); } }; /******************************************************************************* * CONNECT A WEBSOCKET CONNECTION TO A SPECIFIED ROOM *******************************************************************************/ const connectWebsocketToRoom = function* ( action ) { // belt & braces if( roomNames.indexOf( action.ws.requestedRoomName ) < 0 ) { let noSuchRoomMessage = makeWsReplyMessage( config.serverId, messageConstants.ERROR_TYPES.NO_SUCH_ROOM, { roomName } ); sendWsMessageWithLogger( action.ws, noSuchRoomMessage, logger ); return; } logger.trace( `joining ${action.ws.headsetType} websocket ${action.ws.id} ` + `to room '${action.ws.requestedRoomName}'` ); let roomName = action.ws.requestedRoomName; // get the current state for chosen room let { roomData, roomState } = yield select( ( state ) => { return { roomData: state.roomDataReducer.rooms[ roomName ], roomState: state.roomStateReducer.rooms[ roomName ] }; } ); // work out what FSM state it's in switch( roomState.status ) { // idle, waiting for setup case roomStateConstants.STATES.INIT: // kick off the room setup yield put( roomStateActions.initRoomContentRequestAction( roomName ) ); // check if it was initialised correctly let roomData = yield select( ( state ) => { return state.roomDataReducer.rooms[ roomName ]; } ); // tell the state machine what happened if( typeof roomData.content === 'object' ) { yield put( roomStateActions.notifyInitRoomContentSuccessRequestAction( roomName ) ); } else { yield put( roomStateActions.notifyInitRoomContentFailureRequestAction( roomName ) ); return; } // put the connection in the queue for the room yield put( roomDataActions.addWebsocketToQueueForRoomRequestAction( action.ws.id, roomName ) ); break; // in process of being set up case roomStateConstants.STATES.INITING_ROOM_CONTENT: case roomStateConstants.STATES.ROOM_CONTENT_INITED: case roomStateConstants.STATES.STARTING_HEARTBEAT: case roomStateConstants.STATES.HEARTBEAT_STARTED: // check if there's space in the queue if( roomData.queue.length >= config.maxClientsPerRoom ) { let queueFullMessage = makeWsReplyMessage( config.serverId, messageConstants.ERROR_TYPES.ROOM_QUEUE_FULL, { roomName } ); sendWsMessageWithLogger( action.ws, queueFullMessage, logger ); logger.warn( `closing client ${action.ws.id}: queue for ${roomName} is full` ); action.ws.close(); return; } // put the connection in the queue for the room yield put( roomDataActions.addWebsocketToQueueForRoomRequestAction( action.ws.id, roomName ) ); break; // full case roomStateConstants.STATES.ROOM_FULL: let roomFullMessage = makeWsReplyMessage( config.serverId, messageConstants.ERROR_TYPES.BUSY_TRY_AGAIN, {} ); sendWsMessageWithLogger( action.ws, roomFullMessage, logger ); logger.warn( `closing client ${action.ws.id}: queue for ${roomName} is full` ); action.ws.close(); return; // up and running case roomStateConstants.STATES.READY: // add the connection to the room yield put( roomDataActions.addLocalClientToRoomRequestAction( action.ws.id, action.ws.headsetType, roomName ) ); break; // anything else default: logger.warn( `tried to join ${action.ws.id} to room ${roomName} while in state ${roomState.status}` ); let roomUnavailableMessage = makeWsReplyMessage( config.serverId, messageConstants.ERROR_TYPES.ROOM_UNAVAILABLE, { roomName } ); sendWsMessageWithLogger( action.ws, roomUnavailableMessage, logger ); break; } }; /******************************************************************************* * ADD CLIENT TO ROOM DATA AND INFORM EXISTING CLIENTS IT'S JOINED *******************************************************************************/ // action: { clientId, roomName } const handleAddLocalClientToRoom = function* ( action ) { let { serverState, roomState, roomData } = yield select( ( state ) => { return { serverState: state.serverReducer, roomState: state.roomStateReducer, roomData: state.roomDataReducer.rooms }; } ); if( roomState.rooms[ action.roomName ].status === roomStateConstants.STATES.READY ) { // if the room's full if( Object.keys( roomData[ action.roomName ].content.clients ).length >= config.maxClientsPerRoom ) { // tell the state machine about it yield put( roomStateActions.setRoomFullRequestAction( action.roomName ) ); } } let ws = serverState.websockets[ action.clientId ]; if( typeof ws === 'undefined' ) { logger.warn( `error trying to sendRoomInfoToClient: no websocket object for ws id ${action.clientId}` ); return; } let roomName = action.roomName; if( typeof roomName === 'undefined' ) { logger.warn( `error trying to sendRoomInfoToClient: no currentRoom for ws id ${ws.id}` ); sendWsErrorWithLogger( config.serverId, ws, messageConstants.ERROR_TYPES.SYSTEM_ERROR, roomName ); return; } let roomClients = roomData[ roomName ].content.clients; let clients = {}; // copy of client list, without the connecting client Object.keys( roomClients ).filter( ( clientId ) => { return clientId !== action.clientId; } ) .forEach( ( clientId ) => { const headsetType = roomClients[ clientId ].headsetType; if( typeof clients[ headsetType ] === 'undefined' ) { clients[ headsetType ] = [] } clients[ headsetType ].push( clientId ); } ); // get copy of spheres from room state let spheres = JSON.parse( JSON.stringify( roomData[ roomName ].content.spheres ) ); // add to client message let roomInfo = { [ outgoingMsgComponents.ROOM_STATUS_INFO.ROOM_NAME ]: roomName, [ outgoingMsgComponents.ROOM_STATUS_INFO.SOUNDBANK ]: roomData[ roomName ].content.soundbank, [ outgoingMsgComponents.ROOM_STATUS_INFO.CLIENTS ]: clients, [ outgoingMsgComponents.ROOM_STATUS_INFO.SPHERES ]: spheres }; let roomInfoMessage = makeWsReplyMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.ROOM_STATUS_INFO, roomInfo ); try { sendWsMessageWithLogger( ws, roomInfoMessage, logger ); } catch( error ) { logger.trace( `error sending room info message to client ${ws.id}`, error.message ); } // tell all other clients in the room that this one has joined let clientData = { [ outgoingMsgComponents.ROOM_CLIENT_JOIN.CLIENT_ID ]: ws.id, [ outgoingMsgComponents.ROOM_CLIENT_JOIN.CLIENT_HEADSET_TYPE ]: ws.headsetType }; let clientJoinMessage = makeWsBroadcastMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.ROOM_CLIENT_JOIN, clientData ); yield put( roomDataActions.publishMessageToRoomRequestAction( clientJoinMessage, roomName ) ); // start off a client inactivty check, to eject the client when it goes idle yield fork( clientInactivityTimeoutTaskFunction, ws.id, ws.headsetType ); }; const clientInactivityTimeoutTaskFunction = function* ( clientId, headsetType ) { let serverState; let ws; let inactivityTimeoutPeriod = roomDataConstants.CLIENT_INFO.CLIENT_INACTIVITY_TIMEOUTS_IN_MS[ headsetType ]; try { do { serverState = yield select( ( state ) => { return state.serverReducer; } ); ws = serverState.websockets[ clientId ]; // websocket has disconnected, finish if( typeof ws === 'undefined' ) { break; } // websocket has gone too long without activity, eject if( Date.now() - ws.lastAction > inactivityTimeoutPeriod ) { // tell the client why it's being closed let clientInactivityTimeoutMsg = makeWsReplyMessage( config.serverId, messageConstants.ERROR_TYPES.CLIENT_INACTIVITY_TIMEOUT, undefined ); sendWsMessageWithLogger( ws, clientInactivityTimeoutMsg, logger ); // close it ws.close(); // stop checking this client break; } yield delay( roomDataConstants.CLIENT_INFO.CLIENT_INACTIVITY_TIMEOUT_CHECKS_IN_MS[ headsetType ] ); } while( true ); } catch( error ) { logger.trace( `error checking client activity: ${error.message}` ); } }; /******************************************************************************* * REMOVE CLIENT FROM ROOM DATA AND INFORM EXISTING CLIENTS IT'S LEFT *******************************************************************************/ // when a local client is removed from a room, check whether it's got any local clients left // action: { clientId, roomName } const handleRemoveLocalClientFromRoom = function* ( action ) { let { roomState, roomData } = yield select( ( state ) => { return { roomState: state.roomStateReducer, roomData: state.roomDataReducer.rooms }; } ); // find any spheres (THERE CAN BE ONLY ONE) held by this client ... let spheresHeld = Object.keys( roomData[ action.roomName ].content.spheres ).filter( ( sphereId ) => { if( !roomData[ action.roomName ].content.spheres[ sphereId ].hold ) { return false; } return roomData[ action.roomName ].content.spheres[ sphereId ].hold.clientId === action.clientId; } ); // ... and release each one (THERE CAN BE ONLY ONE) for( let sphereId of spheresHeld ) { yield call( cancelSphereHold, sphereId, action.clientId, action.roomName ); } if( roomState.rooms[ action.roomName ].status === roomStateConstants.STATES.ROOM_FULL ) { // if the room's full if( Object.keys( roomData[ action.roomName ].content.clients ).length < config.maxClientsPerRoom ) { // tell the state machine about it yield put( roomStateActions.unsetRoomFullRequestAction( action.roomName ) ); } } // tell remaining clients that this one's left try { let clientExitMessage = makeWsBroadcastMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.ROOM_CLIENT_EXIT, { [ outgoingMsgComponents.ROOM_CLIENT_EXIT.CLIENT_ID ]: action.clientId } ); yield put( roomDataActions.publishMessageToRoomRequestAction( clientExitMessage, action.roomName ) ); } catch( error ) { logger.trace( `broadcast error trying to notify client exit for ${action.clientId}: ${error.message}` ); } // tell the state machine to move to CHECKING_IF_EMPTY yield put( roomStateActions.checkIfRoomEmptyRequestAction( action.roomName ) ); }; /******************************************************************************* * REMOVE A SPHERE HOLD WHEN CLIENT LEAVES OR TIMES OUT *******************************************************************************/ const cancelSphereHold = function* ( sphereId, clientId, roomName) { // remove the hold on this sphere for this client yield put( roomDataActions.removeHoldOnSphereForClientInRoomRequestAction( sphereId, clientId, roomName ) ); // broadcast to the room that the sphere's been released let outgoingMsgData = { [ outgoingMsgComponents.ROOM_SPHERE_RELEASED.SPHERE_ID ]: sphereId, [ outgoingMsgComponents.ROOM_SPHERE_RELEASED.CLIENT_ID ]: clientId }; let sphereReleasedMessage = makeWsBroadcastMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.ROOM_SPHERE_RELEASED, outgoingMsgData ); yield put( roomDataActions.publishMessageToRoomRequestAction( sphereReleasedMessage, roomName ) ); }; /******************************************************************************* * WORK OUT WHETHER ANY CLIENTS ARE LEFT IN A ROOM, CLOSE ROOM IF NOT *******************************************************************************/ // asked explicitly by state-machine event CHECK_IF_EMPTY const checkIfRoomEmpty = function* ( action ) { let correctState = yield roomStateUtils.roomIsCurrentlyInState( action.roomName, roomStateConstants.STATES.CHECKING_IF_EMPTY ); if( correctState !== true ) { logger.warn( `not doing checkIfRoomEmpty, room ${action.roomName} not in state CHECKING_IF_EMPTY` ); return; } let roomData = yield select( ( state ) => { return state.roomDataReducer.rooms; } ); let numberClientsLeft = Object.keys( roomData[ action.roomName ].content.clients ).length; if( numberClientsLeft > 0 ) { yield put( roomStateActions.notifyRoomEmptyCheckFailureRequestAction( action.roomName ) ); } else { yield put( roomStateActions.notifyRoomEmptyCheckSuccessRequestAction( action.roomName ) ); } }; // if a room is empty of local clients const handleRoomEmptyCheckSuccess = function* ( action ) { let correctState = yield roomStateUtils.roomIsCurrentlyInState( action.roomName, roomStateConstants.STATES.ROOM_EMPTY ); if( correctState !== true ) { logger.warn( `not doing handleRoomEmptyCheckSuccess, room ${action.roomName} not in state ROOM_EMPTY` ); return; } let roomData = yield select( ( state ) => { return state.roomDataReducer.rooms; }); // if there's a heartbeat task running, it should stop if( typeof roomData[ action.roomName ].tasks.heartbeat !== undefined ) { yield put( roomStateActions.stopHeartbeatForRoomRequestAction( action.roomName ) ); return; } }; // asked explicitly by state-machine event STOP_HEARTBEAT const stopHeartbeatForRoom = function* ( action ) { let correctState = yield roomStateUtils.roomIsCurrentlyInState( action.roomName, roomStateConstants.STATES.STOPPING_HEARTBEAT ); if( correctState !== true ) { logger.warn( `not doing stopHeartbeatForRoom, room ${action.roomName} not in state STOPPING_HEARTBEAT` ); return; } let roomData = yield select( ( state ) => { return state.roomDataReducer.rooms; } ); // belt & braces double-check to avoid crashing on cancel if( typeof roomData[ action.roomName ].tasks.heartbeat !== undefined ) { // ask the heartbeatTaskFunction to cancel yield cancel( roomData[ action.roomName ].tasks.heartbeat ); } else { logger.warn( `problem stopping heartbeat for room ${action.roomName}: no task found` ); yield put( roomStateActions.notifyStopHeartbeatFailureRequestAction( action.roomName ) ); } }; // once a server's stopped sending heartbeats for a room, it should re-INIT the room const handleStopHeartbeatSuccessEvent = function* ( action ) { let correctState = yield roomStateUtils.roomIsCurrentlyInState( action.roomName, roomStateConstants.STATES.HEARTBEAT_STOPPED ); if( correctState !== true ) { logger.warn( `not doing handleStopHeartbeatSuccessEvent, room ${action.roomName} not in state HEARTBEAT_STOPPED` ); return; } yield put( roomStateActions.closeRoomRequestAction( action.roomName ) ); }; // just log out room close event const handleRoomCloseEvent = function* ( action ) { let correctState = yield roomStateUtils.roomIsCurrentlyInState( action.roomName, roomStateConstants.STATES.INIT ); if( correctState !== true ) { logger.warn( `not doing handleRoomCloseEvent, room ${action.roomName} not in state INIT` ); return; } logger.trace( `closed room ${action.roomName}` ); }; /******************************************************************************* * START A HOLD TIMEOUT WHEN A CLIENT GRABS A SPHERE *******************************************************************************/ // triggers on roomDataActions.createHoldOnSphereForClientInRoomRequestAction // action: { sphereId, clientId, roomName } const startSphereHoldTimeout = function* ( action ) { if( config.timeoutSphereHolds !== true ) { return; } let sphereHoldTimeoutTask = yield fork( sphereHoldTimeoutTaskFunction, action.sphereId, action.roomName ); yield put( roomDataActions.setHoldTimeoutTaskForSphereInRoomRequestAction( sphereHoldTimeoutTask, action.sphereId, action.roomName ) ); }; const sphereHoldTimeoutTaskFunction = function* ( sphereId, roomName ) { try { let sphereState; let lastSphereAction; do { sphereState = yield select( ( state ) => { return state.roomDataReducer.rooms[ roomName ].content.spheres; } ); if( typeof sphereState[ sphereId ] === 'undefined' ) { // sphere has been deleted break; } if( typeof sphereState[ sphereId ].hold === 'undefined' ) { // sphere has been released break; } // check the last time anything was done with the sphere lastSphereAction = sphereState[ sphereId ].hold.ts; if( Date.now() - lastSphereAction >= roomDataConstants.SPHERE_INFO.SPHERE_HOLD_TIMEOUT_IN_MS ) { // work out which client's holding it let clientId = sphereState[ sphereId ].hold.clientId; // get the websocket for the client let serverState = yield select( ( state ) => { return state.serverReducer; } ); let client = serverState.websockets[ clientId ]; let timeoutMsgData = { [ messageConstants.OUTGOING_MESSAGE_COMPONENTS.SPHERE_HOLD_TIMEOUT.SPHERE_ID ]: sphereId }; // tell the client it's losing the hold let sphereHoldTimeOutMessage = makeWsReplyMessage( config.serverId, messageConstants.ERROR_TYPES.SPHERE_HOLD_TIMEOUT, timeoutMsgData ); sendWsMessageWithLogger( client, sphereHoldTimeOutMessage, logger ); // delete the hold, tell the room yield call( cancelSphereHold, sphereId, clientId, roomName ); break; } yield delay( roomDataConstants.SPHERE_INFO.SPHERE_HOLD_TIMEOUT_CHECK_IN_MS ); } while ( true ); } catch( error ) { logger.warn( `error in sphere hold timeout task for sphere ${sphereId}: ${error.message}` ); } finally { yield put( roomDataActions.deleteHoldTimeoutTaskForSphereInRoomRequestAction( sphereId, roomName ) ); } }; /******************************************************************************* * PUBLISH A MESSAGE TO CLIENTS IN A ROOM, EXCEPT THE SENDER *******************************************************************************/ const publishMessageToRoom = function* ( action ) { let roomName = action.roomName; let messagePacket = action.message; let messageFromId = messagePacket[ outgoingMsgComponents.ALL_MESSAGES.FROM ]; let messageDataEnvelope = messagePacket[ outgoingMsgComponents.ALL_MESSAGES.MSG ]; let messageData = messageDataEnvelope[ outgoingMsgComponents.ALL_MESSAGES.DATA ]; // construct a message for interested websockets let websocketMessage = { [ outgoingMsgComponents.ALL_MESSAGES.FROM ]: messageFromId, [ outgoingMsgComponents.ALL_MESSAGES.MSG ]: messageDataEnvelope }; let { roomData, serverState } = yield select( ( state ) => { return { roomData: state.roomDataReducer.rooms, serverState: state.serverReducer } } ); let roomClients = roomData[ roomName ].content.clients; let roomClientIds = Object.keys( roomClients ); let clientsLength = roomClientIds.length; let serverSockets = serverState.websockets; for( let i = 0; i < clientsLength; i++ ) { let clientId = roomClientIds[ i ]; if( clientId === messageFromId ) { continue; } if( clientId === messageData[ outgoingMsgComponents.ALL_MESSAGES.CLIENT_ID ] ) { continue; } if( typeof serverSockets[ clientId ] === 'undefined' ) { continue; } let ws = serverSockets[ clientId ]; try { sendWsMessageWithLogger( ws, websocketMessage, logger ); } catch( error ) { logger.warn( `error sending ${messageType} message to client ${clientId}: ${error.message}` ); } } }; /******************************************************************************* * WATCHER FUNCTIONS TO CATCH REDUX ACTIONS *******************************************************************************/ const watchStartRoomSetupRequests = function* () { yield takeEvery( roomStateConstants.EVENT_TYPES.START_ROOM_SETUP, startRoomSetup ); }; const watchStartRoomSetupSuccessEvents = function* () { yield takeEvery( roomStateConstants.EVENT_TYPES.START_ROOM_SETUP_SUCCESS, handleStartRoomSetupSuccess ); }; const watchInitRoomContentSuccessEvents = function* () { yield takeEvery( roomStateConstants.EVENT_TYPES.INIT_ROOM_CONTENT_SUCCESS, handleInitRoomContentSuccess ); }; const watchStartHeartbeatRequestEvents = function* () { yield takeEvery( roomStateConstants.EVENT_TYPES.START_HEARTBEAT, startHeartbeatForRoom ); }; const watchStartHeartbeatSuccessEvents = function* () { yield takeEvery( roomStateConstants.EVENT_TYPES.START_HEARTBEAT_SUCCESS, startProcessingQueue ); }; const watchProcessQueueSuccessEvents = function* () { yield takeEvery( roomStateConstants.EVENT_TYPES.PROCESS_QUEUE_SUCCESS, handleProcessQueueSuccess ); }; const watchAddWebsocketToServerStateRequests = function* () { yield takeEvery( serverConstants.ACTION_TYPES.ADD_WEBSOCKET_TO_STATE, connectWebsocketToRoom ); }; const watchAddLocalClientToRoomRequests = function* () { yield takeEvery( roomDataConstants.ACTION_TYPES.ADD_LOCAL_CLIENT_TO_ROOM, handleAddLocalClientToRoom ); }; const watchPublishMessageRequestActions = function* () { yield takeEvery( roomDataConstants.ACTION_TYPES.PUBLISH_MESSAGE_TO_ROOM, publishMessageToRoom ); }; const watchStopHeartbeatRequests = function* () { yield takeEvery( roomStateConstants.EVENT_TYPES.STOP_HEARTBEAT, stopHeartbeatForRoom ); }; const watchStopHeartbeatSuccessEvents = function* () { yield takeEvery( roomStateConstants.EVENT_TYPES.STOP_HEARTBEAT_SUCCESS, handleStopHeartbeatSuccessEvent ); }; const watchRoomCloseEvents = function* () { yield takeEvery( roomStateConstants.EVENT_TYPES.CLOSE, handleRoomCloseEvent ); }; const watchCreateHoldOnSphereEvents = function* () { yield takeEvery( roomDataConstants.ACTION_TYPES.CREATE_HOLD_ON_SPHERE_FOR_CLIENT_IN_ROOM, startSphereHoldTimeout ); }; const watchRemoveLocalClientFromRoomRequests = function* () { yield takeEvery( roomDataConstants.ACTION_TYPES.REMOVE_LOCAL_CLIENT_FROM_ROOM, handleRemoveLocalClientFromRoom ); }; const watchCheckIfRoomEmptyRequests = function* () { yield takeEvery( roomStateConstants.EVENT_TYPES.CHECK_IF_EMPTY, checkIfRoomEmpty ); }; const watchRoomEmptyCheckSuccessEvents = function* () { yield takeEvery( roomStateConstants.EVENT_TYPES.EMPTY_CHECK_SUCCESS, handleRoomEmptyCheckSuccess ); }; /******************************************************************************* * EXPORT SAGAS *******************************************************************************/ export default { setupSaga: function* () { const sagas = [ watchStartRoomSetupRequests, watchStartRoomSetupSuccessEvents, watchInitRoomContentSuccessEvents, watchStartHeartbeatRequestEvents, watchStartHeartbeatSuccessEvents, watchProcessQueueSuccessEvents, ]; yield call( sagaUtils.spawnAutoRestartingSagas, sagas ); }, connectionSaga: function* () { const sagas = [ watchAddWebsocketToServerStateRequests, watchAddLocalClientToRoomRequests, ]; yield call( sagaUtils.spawnAutoRestartingSagas, sagas ); }, publishSaga: function* () { const sagas = [ watchPublishMessageRequestActions ]; yield call( sagaUtils.spawnAutoRestartingSagas, sagas ); }, heartbeatSaga: function* () { const sagas = [ watchStopHeartbeatRequests, watchStopHeartbeatSuccessEvents, watchRoomCloseEvents ]; yield call( sagaUtils.spawnAutoRestartingSagas, sagas ); }, sphereHoldTimeoutSaga: function* () { const sagas = [ watchCreateHoldOnSphereEvents ]; yield call( sagaUtils.spawnAutoRestartingSagas, sagas ); }, disconnectionSaga: function* () { const sagas = [ watchRemoveLocalClientFromRoomRequests, watchCheckIfRoomEmptyRequests, watchRoomEmptyCheckSuccessEvents ]; yield call( sagaUtils.spawnAutoRestartingSagas, sagas ); } }; ================================================ FILE: backend/src/rooms/room-state-actions.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import roomStateConstants from './room-state-constants'; // setup room const startRoomSetupRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.START_ROOM_SETUP; return { type, roomName }; }; const notifyStartRoomSetupSuccessRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.START_ROOM_SETUP_SUCCESS; return { type, roomName }; }; const notifyStartRoomSetupFailureRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.START_ROOM_SETUP_FAILURE; return { type, roomName }; }; // initialise room content const initRoomContentRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.INIT_ROOM_CONTENT; return { type, roomName }; }; const notifyInitRoomContentSuccessRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.INIT_ROOM_CONTENT_SUCCESS; return { type, roomName }; }; const notifyInitRoomContentFailureRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.INIT_ROOM_CONTENT_FAILURE; return { type, roomName }; }; // start a heartbeat for a room const startRoomHeartbeatRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.START_HEARTBEAT; return { type, roomName }; }; const notifyStartRoomHeartbeatSuccessRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.START_HEARTBEAT_SUCCESS; return { type, roomName }; }; const notifyStartRoomHeartbeatFailureRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.START_HEARTBEAT_FAILURE; return { type, roomName }; }; // processing the queue for a newly-inited room const startProcessingQueueRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.PROCESS_QUEUE; return { type, roomName }; }; const notifyProcessQueueSuccessRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.PROCESS_QUEUE_SUCCESS; return { type, roomName }; }; const notifyProcessQueueFailureRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.PROCESS_QUEUE_FAILURE; return { type, roomName }; }; // mark a room full or not-full const setRoomFullRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.SET_ROOM_FULL; return { type, roomName }; }; const unsetRoomFullRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.UNSET_ROOM_FULL; return { type, roomName }; }; // check if a room's empty when a client leaves const checkIfRoomEmptyRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.CHECK_IF_EMPTY; return { type, roomName }; }; const notifyRoomEmptyCheckSuccessRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.EMPTY_CHECK_SUCCESS; return { type, roomName }; }; const notifyRoomEmptyCheckFailureRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.EMPTY_CHECK_FAILURE; return { type, roomName }; }; // stop a heartbeat for a room const stopHeartbeatForRoomRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.STOP_HEARTBEAT; return { type, roomName }; }; const notifyStopHeartbeatSuccessRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.STOP_HEARTBEAT_SUCCESS; return { type, roomName }; }; const notifyStopHeartbeatFailureRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.STOP_HEARTBEAT_FAILURE; return { type, roomName }; }; // close a room so it can be re-opened const closeRoomRequestAction = ( roomName ) => { let type = roomStateConstants.EVENT_TYPES.CLOSE; return { type, roomName }; }; export default { // setup a room on request startRoomSetupRequestAction, notifyStartRoomSetupSuccessRequestAction, notifyStartRoomSetupFailureRequestAction, // initialise room content initRoomContentRequestAction, notifyInitRoomContentSuccessRequestAction, notifyInitRoomContentFailureRequestAction, // start a heartbeat for a room startRoomHeartbeatRequestAction, notifyStartRoomHeartbeatSuccessRequestAction, notifyStartRoomHeartbeatFailureRequestAction, // processing the queue for a newly-inited room startProcessingQueueRequestAction, notifyProcessQueueSuccessRequestAction, notifyProcessQueueFailureRequestAction, // mark a room full or not-full setRoomFullRequestAction, unsetRoomFullRequestAction, // check if a room's empty when a client leaves checkIfRoomEmptyRequestAction, notifyRoomEmptyCheckSuccessRequestAction, notifyRoomEmptyCheckFailureRequestAction, // stop a heartbeat for a room stopHeartbeatForRoomRequestAction, notifyStopHeartbeatSuccessRequestAction, notifyStopHeartbeatFailureRequestAction, // close a room so it can be re-opened closeRoomRequestAction }; ================================================ FILE: backend/src/rooms/room-state-constants.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const MODULE_NAME = 'room-state'; const EVENT_TYPES = ( () => { let eventTypes = { START_ROOM_SETUP: 'start_room_setup', START_ROOM_SETUP_SUCCESS: 'start_room_setup_success', START_ROOM_SETUP_FAILURE: 'start_room_setup_failure', INIT_ROOM_CONTENT: 'init_room_content', INIT_ROOM_CONTENT_SUCCESS: 'init_room_content_success', INIT_ROOM_CONTENT_FAILURE: 'init_room_content_failure', START_HEARTBEAT: 'start_heartbeat', START_HEARTBEAT_SUCCESS: 'start_heartbeat_success', START_HEARTBEAT_FAILURE: 'start_heartbeat_failure', PROCESS_QUEUE: 'process_queue', PROCESS_QUEUE_SUCCESS: 'process_queue_success', PROCESS_QUEUE_FAILURE: 'process_queue_failure', SET_ROOM_FULL: 'set_room_full', UNSET_ROOM_FULL: 'unset_room_full', CHECK_IF_EMPTY: 'check_if_empty', EMPTY_CHECK_SUCCESS: 'empty_check_success', EMPTY_CHECK_FAILURE: 'empty_check_failure', STOP_HEARTBEAT: 'stop_heartbeat', STOP_HEARTBEAT_SUCCESS: 'stop_heartbeat_success', STOP_HEARTBEAT_FAILURE: 'stop_heartbeat_failure', CLOSE: 'close', RESET: 'reset', RESET_DONE: 'reset_done' }; Object.keys( eventTypes ).forEach( ( eventType ) => { eventTypes[ eventType ] = `${MODULE_NAME}/${eventTypes[ eventType ]}`; } ); return eventTypes; })(); const STATES = ( () => { let stateNames = { INIT: 'init', ERROR: 'error', STARTING_ROOM_SETUP: 'starting_room_setup', ROOM_SETUP_STARTED: 'room_setup_started', INITING_ROOM_CONTENT: 'initing_room_content', ROOM_CONTENT_INITED: 'room_content_inited', STARTING_HEARTBEAT: 'starting_heartbeat', HEARTBEAT_STARTED: 'heartbeat_started', STOPPING_HEARTBEAT: 'stopping_heartbeat', HEARTBEAT_STOPPED: 'heartbeat_stopped', PROCESSING_QUEUE: 'processing_queue', ROOM_FULL: 'room_full', READY: 'ready', CHECKING_IF_EMPTY: 'checking_if_empty', ROOM_EMPTY: 'room_empty', RESETTING: 'resetting' }; Object.keys( stateNames ).forEach( ( stateName ) => { stateNames[ stateName ] = `${MODULE_NAME}/${stateNames[ stateName ]}`; } ); return stateNames; })(); export { EVENT_TYPES, STATES }; export default { EVENT_TYPES, STATES }; ================================================ FILE: backend/src/rooms/room-state-machine.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* * heavily inspired by, and modified to * accommodate multiple-room states from: * https://github.com/realb0t/redux-state-machine * * basically provides a simple Redux wrapper around * https://github.com/jakesgordon/javascript-state-machine * * dynamically creates a new FSM/state-store per room * when requested in Redux actions, e.g.: * { type: 'ACTION_TYPE', roomName: 'my-room' } */ import StateMachine from 'javascript-state-machine'; import sizeof from 'object-sizeof'; import { fill, zipObject } from 'lodash'; import { logger } from '../logger'; import { initStateObject } from '../utils/reducer-utils'; import roomNames from './room-names'; import roomStateConstants from './room-state-constants'; const initialFsmState = roomStateConstants.STATES.INIT; /** * Return new state object with status param * @param {String} status status name param * @param {Object} { action, error } addition params * @return {Object} new state object */ const buildState = ( status, { action = null, error = null } = {} ) => { return { [ status ]: true, action, error, status }; } /** * Default state object * @type {Object} */ const defaultState = {}; /** * @param {Object} fsmConfig - Config as for javascript-state-machine */ const reducerBuilder = ( fsmConfig ) => { const { events } = fsmConfig; const eventNames = events.map( ( event ) => { return event.name; } ); const eventExists = zipObject( eventNames, fill( Array( eventNames.length ), true, 0, eventNames.length ) ); // list of state machine objects keyed by room name const machines = ( () => { let createFunction = () => { return StateMachine.create( Object.assign( {}, fsmConfig, { initialFsmState } ) ); }; return initStateObject( roomNames, createFunction, 'room state machines', logger ); } )(); // dictionary of // .rooms: machine-state objects for rooms to be keyed by room name // .roomsByState: lists of rooms keyed by current state const states = ( () => { let createFunction = () => { return buildState( initialFsmState ); }; return { // objects containing the state for the machine for each room rooms: initStateObject( roomNames, createFunction, 'room state objects', logger ), // lookup table of which rooms are in which state on this server roomsByState: ( () => { let r = {}; Object.keys( roomStateConstants.STATES ).forEach( ( stateName ) => { r[ roomStateConstants.STATES[ stateName ] ] = {}; } ); roomNames.forEach( ( roomName ) => { r[ roomStateConstants.STATES.INIT ][ roomName ] = true; } ); logger.trace( `initialised lookup table of ${Object.keys( r[ roomStateConstants.STATES.INIT ] ).length} rooms to INIT state` ); return r; } )() }; } )(); // Create reducer function const reducer = ( state = states, action ) => { // ignore events the FSM doesn't handle if (typeof eventExists[ action.type ] === 'undefined') { return state; } if( typeof action.type === 'undefined' ) { logger.warn( `state-machine cannot execute ${action.type} action.type, check room-state-constants` ); return state; } if( typeof action.roomName === 'undefined' ) { return state; } // make sure this is a room we have a state machine for if( typeof machines[ action.roomName ] === 'undefined' ) { logger.warn( `FSM for room ${action.roomName} does not exist` ); return state; } // make sure the states this module keeps track of includes this room if( typeof states.rooms[ action.roomName ] === 'undefined' ) { logger.warn( `FSM state for room ${action.roomName} does not exist` ); return state; } /* logger.warn( `state machine asked to do ${action.type} from ${states.rooms[ action.roomName ].status}` ); */ // keep the two in sync if ( machines[ action.roomName ].current !== states.rooms[ action.roomName ].status ) { machines[ action.roomName ].current = states.rooms[ action.roomName ].status; } // check the requested transition is possible if ( machines[ action.roomName ].cannot( action.type ) ) { logger.error( `room ${action.roomName} cannot do ${action.type} from ${states.rooms[ action.roomName ].status}` ); // set error if not states.rooms[ action.roomName ] = { status: states.rooms[ action.roomName ].status, error: true, [ states.rooms[ action.roomName ].status ]: true, action }; return states; } let previousState = states.rooms[ action.roomName ].status; // fire event as function machines[ action.roomName ][ action.type ]( action ); // return state list containing new state for this room after transition states.rooms[ action.roomName ] = { status: JSON.parse( JSON.stringify( machines[ action.roomName ].current ) ), error: null, [ JSON.parse( JSON.stringify( machines[ action.roomName ].current ) ) ]: true, action }; // states.roomsByState[ STATES.FETCHING_TOPIC ][ 'mrko' ] = true; states.roomsByState[ states.rooms[ action.roomName ].status ][ action.roomName ] = true; states.roomsByState[ previousState ][ action.roomName ] = null; delete states.roomsByState[ previousState ][ action.roomName ]; /* logger.warn( `state machine did ${action.type} on ${action.roomName}` ); logger.warn( `room ${action.roomName} is now in state ${states.rooms[ action.roomName ].status}` ); */ return states; }; // Open FSMs reducer.machines = machines; reducer.states = states; reducer.eventExists = eventExists; return reducer; }; export default reducerBuilder; ================================================ FILE: backend/src/rooms/room-state-reducer.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import reducerBuilder from './room-state-machine'; import { EVENT_TYPES, STATES } from './room-state-constants'; let e = EVENT_TYPES, s = STATES; const reducer = reducerBuilder({ events: [ // send a start message so room-sagas can send a PubSub syncRoomSetup message { name: e.INIT_ROOM_CONTENT, from: s.INIT, to: s.INITING_ROOM_CONTENT }, { name: e.INIT_ROOM_CONTENT_SUCCESS, from: s.INITING_ROOM_CONTENT, to: s.ROOM_CONTENT_INITED }, { name: e.INIT_ROOM_CONTENT_FAILURE, from: s.INITING_ROOM_CONTENT, to: s.ERROR }, // once it's initialised the room, it should start a heartbeat { name: e.START_HEARTBEAT, from: s.ROOM_CONTENT_INITED, to: s.STARTING_HEARTBEAT }, { name: e.START_HEARTBEAT_SUCCESS, from: s.STARTING_HEARTBEAT, to: s.HEARTBEAT_STARTED }, { name: e.START_HEARTBEAT_FAILURE, from: s.STARTING_HEARTBEAT, to: s.ERROR }, // when it's started a heartbeat, the server should connect websockets from the queue { name: e.PROCESS_QUEUE, from: s.HEARTBEAT_STARTED, to: s.PROCESSING_QUEUE }, // when it's received all state from peers, the server should connect websockets from the queue { name: e.PROCESS_QUEUE, from: s.ALL_STATE_RECEIVED, to: s.PROCESSING_QUEUE }, { name: e.PROCESS_QUEUE_SUCCESS, from: s.PROCESSING_QUEUE, to: s.READY }, { name: e.PROCESS_QUEUE_FAILURE, from: s.PROCESSING_QUEUE, to: s.ERROR }, // if all the clients in the queue left before the subscription was completed, start room closedown { name: e.CHECK_IF_EMPTY, from: s.PROCESSING_QUEUE, to: s.CHECKING_IF_EMPTY }, // when config.maxClients have arrived, the server should mark the room as full { name: e.SET_ROOM_FULL, from: s.READY, to: s.ROOM_FULL }, { name: e.UNSET_ROOM_FULL, from: s.ROOM_FULL, to: s.READY }, // when a client leaves the room, the server should check if there are any local clients left { name: e.CHECK_IF_EMPTY, from: s.READY, to: s.CHECKING_IF_EMPTY }, { name: e.CHECK_IF_EMPTY, from: s.ROOM_FULL, to: s.CHECKING_IF_EMPTY }, // if so, it should just go back to waiting for others { name: e.EMPTY_CHECK_FAILURE, from: s.CHECKING_IF_EMPTY, to: s.READY }, // it not, it should unsubscribe from the room { name: e.EMPTY_CHECK_SUCCESS, from: s.CHECKING_IF_EMPTY, to: s.ROOM_EMPTY }, // if there aren't any local clients left, the handleRoomEmpty saga should work out whether to stop a heartbeat { name: e.STOP_HEARTBEAT, from: s.ROOM_EMPTY, to: s.STOPPING_HEARTBEAT }, { name: e.STOP_HEARTBEAT_SUCCESS, from: s.STOPPING_HEARTBEAT, to: s.HEARTBEAT_STOPPED }, { name: e.STOP_HEARTBEAT_FAILURE, from: s.STOPPING_HEARTBEAT, to: s.ERROR }, // when the heartbeat's stopped, reset the room to its INIT state { name: e.CLOSE, from: s.HEARTBEAT_STOPPED, to: s.INIT }, // if it gets into an error state, it should trigger a cleanup action { name: e.RESET, from: s.ERROR, to: s.RESETTING }, // cleaning up a room resets it to init status { name: e.RESET_SUCCESS, from: s.RESETTING, to: s.INIT } ] }); export default reducer; ================================================ FILE: backend/src/rooms/room-state-utils.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { select } from 'redux-saga/effects'; import arrify from 'arrify'; const roomIsCurrentlyInState = function* ( roomName, desiredState ) { let roomState = yield select( ( state ) => { return state.roomStateReducer; } ); if( typeof roomState.rooms[ roomName ] === 'undefined' ) { return false; } let statesToCheck = arrify( desiredState ); let currentState = roomState.rooms[ roomName ].status; let roomIsInDesiredState = false; for( let state of statesToCheck ) { if( state === currentState ) { return true; } } return false; }; export default { roomIsCurrentlyInState }; ================================================ FILE: backend/src/s11n.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const serialize = ( obj ) => { return JSON.stringify( obj ); }; const deserialize = ( msg ) => { try { return JSON.parse( msg ); } catch( error ) { throw error; } }; export { serialize, deserialize }; ================================================ FILE: backend/src/server/app-server.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import express from 'express'; const lbHealthCheckUrl = "/lb-health-check"; /* * here's where we'd implement any custom HTTP routes */ const createApp = () => { let app = express(); // don't announce server software app.use( (req, res, next) => { res.removeHeader('X-Powered-By'); next(); } ); // say something at the root app.get( '/', ( req, res ) => { res.send( `forest\n` ); } ); // lb health check 200 response app.get( lbHealthCheckUrl, ( req, res ) => { res.send( `OK` ); } ); return app; }; export default { createApp }; export { lbHealthCheckUrl }; ================================================ FILE: backend/src/server/balancer.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { logger } from '../logger'; import { messageConstants } from '../messages'; import { roomNames } from '../rooms'; import { dsClient, datastoreConstants } from '../datastore'; import config from '../config'; import { urlUtils } from '../utils'; import roomStateConstants from '../rooms/room-state-constants'; import { getStoreState } from '../store'; import { privatiseTargetServerIfLocal } from './target-server-utils'; import { CUSTOM_PROXY_HEADERS } from './server-constants'; const getBalancerFunction = ( proxy ) => { let lastPortUsed = 0; let headsetTypes = Object.values( messageConstants.HEADSET_TYPES ); let serverReducer = getStoreState().serverReducer; let ring = serverReducer.hashRing; return ( req, socket, head ) => { // make sure client didn't try to use our custom headers Object.values( CUSTOM_PROXY_HEADERS ).forEach( ( headerName ) => { delete req.headers[ headerName ]; } ); let target; let requestInfo; // work out headsetType & optional roomName from URL try { requestInfo = urlUtils.getClientInfoFromUrl( req.url ); // pass headset type in custom proxy request header req.headers[ CUSTOM_PROXY_HEADERS.X_CLIENT_HEADSET_TYPE ] = requestInfo.clientHeadsetType; // pass requested room name if present if( typeof requestInfo.roomName !== 'undefined' ) { req.headers[ CUSTOM_PROXY_HEADERS.X_REQUESTED_ROOM_NAME ] = requestInfo.roomName; } } catch( error ) { // WS client requested an invalid URL // forward to any WS server to close the connection gracefully target = 'ws://' + privatiseTargetServerIfLocal( ring.get( req.url ) ); req.headers[ CUSTOM_PROXY_HEADERS.X_PLEASE_CLOSE_THIS_CONNECTION ] = true; proxy.ws( req, socket, head, { target } ); return; } // a room was specified if( typeof requestInfo.roomName !== 'undefined' ) { // but it wasn't one in the pre-defined list if( roomNames.indexOf( requestInfo.roomName ) < 0 ) { // forward to any WS server to close the connection gracefully target = 'ws://' + privatiseTargetServerIfLocal( ring.get( req.url ) ); req.headers[ CUSTOM_PROXY_HEADERS.X_PLEASE_CLOSE_THIS_CONNECTION ] = true; proxy.ws( req, socket, head, { target } ); return; } // the specified room name was valid, proxy to the appropriate server target = 'ws://' + privatiseTargetServerIfLocal( ring.get( requestInfo.roomName ) ); // tell the WS server this room was specified directly by the client req.headers[ CUSTOM_PROXY_HEADERS.X_CLIENT_SPECIFIED_ROOM_NAME ] = true; proxy.ws( req, socket, head, { target } ); } // no room was specified, choose one else { let chosenRoomName; // try to find one with availability for this type let state = getStoreState(); let avails = state.roomDataReducer.avails[ requestInfo.clientHeadsetType ]; let availableRoomNames = Object.keys( avails ); let availableRoomCount = availableRoomNames.length; if( availableRoomCount > 0 ) { // choose one at random from the available list chosenRoomName = availableRoomNames[ Math.floor( Math.random() * availableRoomCount ) ]; } // otherwise, get an empty room that's servable from this server else { let emptyRoomNames = Object.keys( state.roomStateReducer.roomsByState[ roomStateConstants.STATES.INIT ] ); let servableRoomNames = state.serverReducer.servableRooms; let servableEmptyRoomNames = containsAll( emptyRoomNames, servableRoomNames ); let servableEmptyRoomCount = servableEmptyRoomNames.length; if( servableEmptyRoomCount === 0 ) { // client has to try again return; } chosenRoomName = servableEmptyRoomNames[ Math.floor( Math.random() * servableEmptyRoomCount ) ]; } // the specified room name was valid, proxy to the appropriate server target = 'ws://' + privatiseTargetServerIfLocal( ring.get( chosenRoomName ) ); req.headers[ CUSTOM_PROXY_HEADERS.X_REQUESTED_ROOM_NAME ] = chosenRoomName; proxy.ws( req, socket, head, { target } ); } } }; // http://stackoverflow.com/a/11076088 // ES6 arrow functions don't bind 'arguments' // so this has to be a 'function()' const containsAll = function(/* pass all arrays here */) { var output = []; var cntObj = {}; var array, item, cnt; // for each array passed as an argument to the function for (var i = 0; i < arguments.length; i++) { array = arguments[i]; // for each element in the array for (var j = 0; j < array.length; j++) { item = "-" + array[j]; cnt = cntObj[item] || 0; // if cnt is exactly the number of previous arrays, // then increment by one so we count only one per array if (cnt == i) { cntObj[item] = cnt + 1; } } } // now collect all results that are in all arrays for (item in cntObj) { if (cntObj.hasOwnProperty(item) && cntObj[item] === arguments.length) { output.push(item.substring(1)); } } return(output); }; export { getBalancerFunction }; ================================================ FILE: backend/src/server/index.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import serverActions from './server-actions'; import serverConstants from './server-constants'; import serverReducer from './server-reducer'; import serverSagas from './server-sagas'; export { serverActions, serverConstants, serverReducer, serverSagas }; ================================================ FILE: backend/src/server/server-actions.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import constants from './server-constants'; // reducer actions const setSyncTopicRequestAction = ( syncTopic ) => { let type = constants.ACTION_TYPES.SET_SYNC_TOPIC; return { type, syncTopic }; }; const setSyncSubscriptionRequestAction = ( syncSubscription ) => { let type = constants.ACTION_TYPES.SET_SYNC_SUBSCRIPTION; return { type, syncSubscription }; }; const setAppServerRequestAction = ( appServer ) => { let type = constants.ACTION_TYPES.SET_APP_SERVER; return { type, appServer }; }; const setWebsocketServerRequestAction = ( websocketServer ) => { let type = constants.ACTION_TYPES.SET_WEBSOCKET_SERVER; return { type, websocketServer }; }; const setBalancerRequestAction = ( balancer ) => { let type = constants.ACTION_TYPES.SET_BALANCER; return { type, balancer }; }; const setMonitorTaskForPeerRequestAction = ( monitorTask, peerId ) => { let type = constants.ACTION_TYPES.SET_MONITOR_TASK_FOR_PEER; return { type, monitorTask, peerId }; }; const setLastHeartbeatForPeerRequestAction = ( data, peerId ) => { let type = constants.ACTION_TYPES.SET_LAST_HEARTBEAT_FOR_PEER; return { type, data, peerId }; }; const removePeerFromListRequestAction = ( peerId ) => { let type = constants.ACTION_TYPES.REMOVE_PEER_FROM_LIST; return { type, peerId }; }; const addWebsocketToStateRequestAction = ( ws ) => { let type = constants.ACTION_TYPES.ADD_WEBSOCKET_TO_STATE; return { type, ws }; }; const setWebsocketTimeoutTaskForClientRequestAction = ( timeoutTask, clientId ) => { let type = constants.ACTION_TYPES.SET_WEBSOCKET_TIMEOUT_TASK_FOR_CLIENT; return { type, timeoutTask, clientId }; }; const cancelWebsocketRoomJoinTimeoutTaskForClientRequestAction = ( clientId ) => { let type = constants.ACTION_TYPES.CANCEL_WEBSOCKET_ROOM_JOIN_TIMEOUT_TASK_FOR_CLIENT; return { type, clientId }; }; const removeWebsocketTimeoutTaskForClientRequestAction = ( clientId ) => { let type = constants.ACTION_TYPES.REMOVE_WEBSOCKET_TIMEOUT_TASK_FOR_CLIENT; return { type, clientId }; }; const removeWebsocketFromStateRequestAction = ( ws ) => { let type = constants.ACTION_TYPES.REMOVE_WEBSOCKET_FROM_STATE; return { type, ws }; }; // saga actions const startServerSetupRequestAction = () => { let type = constants.ACTION_TYPES.START_SERVER_SETUP; return { type }; }; const finishServerSetupRequestAction = () => { let type = constants.ACTION_TYPES.FINISH_SERVER_SETUP; return { type }; }; const startSyncSubscriptionWarmupRequestAction = () => { let type = constants.ACTION_TYPES.START_SYNC_SUBSCRIPTION_WARMUP; return { type }; }; const addSyncSubscriptionWarmupResponseRequestAction = () => { let type = constants.ACTION_TYPES.ADD_SYNC_SUBSCRIPTION_WARMUP_RESPONSE; return { type }; }; const startSendingSyncHeartbeatRequestAction = () => { let type = constants.ACTION_TYPES.START_SENDING_SYNC_HEARTBEAT; return { type }; }; const startSavingSubscriptionInfoRequestAction = () => { let type = constants.ACTION_TYPES.START_SAVING_SUBSCRIPTION_INFO; return { type }; }; const loadRateLimiterInfoRequestAction = () => { let type = constants.ACTION_TYPES.LOAD_RATE_LIMITER_INFO_FROM_DATASTORE; return { type }; }; const startCheckingDeadPeerSubscriptionsRequestAction = () => { let type = constants.ACTION_TYPES.START_CHECKING_DEAD_PEER_SUBSCRIPTIONS; return { type }; }; const startMonitorForPeerRequestAction = ( serverId ) => { let type = constants.ACTION_TYPES.START_MONITOR_FOR_PEER; return { type, serverId }; }; export default { // reducer actions setSyncTopicRequestAction, setSyncSubscriptionRequestAction, setAppServerRequestAction, setWebsocketServerRequestAction, setBalancerRequestAction, setMonitorTaskForPeerRequestAction, setLastHeartbeatForPeerRequestAction, removePeerFromListRequestAction, addWebsocketToStateRequestAction, setWebsocketTimeoutTaskForClientRequestAction, cancelWebsocketRoomJoinTimeoutTaskForClientRequestAction, removeWebsocketTimeoutTaskForClientRequestAction, removeWebsocketFromStateRequestAction, // saga actions startServerSetupRequestAction, finishServerSetupRequestAction, startSyncSubscriptionWarmupRequestAction, addSyncSubscriptionWarmupResponseRequestAction, startSendingSyncHeartbeatRequestAction, startSavingSubscriptionInfoRequestAction, loadRateLimiterInfoRequestAction, startCheckingDeadPeerSubscriptionsRequestAction, startMonitorForPeerRequestAction }; ================================================ FILE: backend/src/server/server-constants.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const ACTION_TYPES = { // reducer actions SET_SYNC_TOPIC: 'set_sync_topic', SET_SYNC_SUBSCRIPTION: 'set_sync_subscription', SET_APP_SERVER: 'set_app_server', SET_WEBSOCKET_SERVER: 'set_websocket_server', SET_BALANCER: 'set_balancer', SET_MONITOR_TASK_FOR_PEER: 'set_monitor_task_for_peer', SET_LAST_HEARTBEAT_FOR_PEER: 'set_last_heartbeat_for_peer', REMOVE_PEER_FROM_LIST: 'remove_peer_from_list', ADD_WEBSOCKET_TO_STATE: 'add_websocket_to_state', SET_WEBSOCKET_TIMEOUT_TASK_FOR_CLIENT: 'set_websocket_timeout_task_for_client', CANCEL_WEBSOCKET_ROOM_JOIN_TIMEOUT_TASK_FOR_CLIENT: 'cancel_websocket_room_join_timeout_task_for_client', REMOVE_WEBSOCKET_TIMEOUT_TASK_FOR_CLIENT: 'remove_websocket_timeout_task_for_client', REMOVE_WEBSOCKET_FROM_STATE: 'remove_websocket_from_state', // saga actions START_SERVER_SETUP: 'start_server_setup', FINISH_SERVER_SETUP: 'finish_server_setup', START_SYNC_SUBSCRIPTION_WARMUP: 'start_sync_subscription_warmup', ADD_SYNC_SUBSCRIPTION_WARMUP_RESPONSE: 'add_sync_subscription_warmup_response', START_SENDING_SYNC_HEARTBEAT: 'start_sending_sync_heartbeat', START_SAVING_SUBSCRIPTION_INFO: 'start_saving_subscription_info', LOAD_RATE_LIMITER_INFO_FROM_DATASTORE: 'load_rate_limiter_info_from_datastore', START_CHECKING_DEAD_PEER_SUBSCRIPTIONS: 'start_checking_dead_peer_subscriptions', START_MONITOR_FOR_PEER: 'start_monitor_for_peer', }; const SYNC_INFO = { SYNC_TOPIC_NAME: 'server-sync', SYNC_WARMUP_MESSAGE_LIST_LENGTH: 10, SYNC_HEARTBEAT_PERIOD_IN_MS: 3000, SYNC_HEARTBEAT_TIMEOUT_IN_MS: 15000, }; const SYNC_MESSAGES = { SYNC_HEARTBEAT: 'sync_heartbeat', SYNC_WARMUP: 'sync_warmup', LOAD_RATE_LIMITER_INFO: 'load_rate_limiter_info' }; const saveSubscriptionInfoPeriodInMs = 5000; // save subscription info to datastore every 5s const checkSubscriptionInfoPeriodInMs = saveSubscriptionInfoPeriodInMs * 6; // check for dead peers twice a minute const SAVE_INFO = { SAVE_SUBSCRIPTION_INFO_PERIOD_IN_MS: saveSubscriptionInfoPeriodInMs, CHECK_SUBSCRIPTION_INFO_PERIOD_IN_MS: checkSubscriptionInfoPeriodInMs }; const CUSTOM_PROXY_HEADERS = { X_CLIENT_HEADSET_TYPE: 'x-client-headset-type', X_CLIENT_SPECIFIED_ROOM_NAME: 'x-client-specified-room-name', X_NO_ROOMS_AVAILABLE: 'x-no-rooms-available', X_ROOM_ABOVE_THRESHOLD: 'x-room-above-threshold', X_PLEASE_CLOSE_THIS_CONNECTION: 'x-please-close-this-connection', X_REQUESTED_ROOM_NAME: 'x-requested-room-name' }; const ERROR_TYPES = { ROOM_NAME_REQUIRED: 'room_name_required', ILLEGAL_ROOM_NAME: 'illegal_room_name', BAD_OS_EXIT_ERROR_CODE: 1 }; export default { ACTION_TYPES, SYNC_INFO, SYNC_MESSAGES, SAVE_INFO, CUSTOM_PROXY_HEADERS, ERROR_TYPES }; export { CUSTOM_PROXY_HEADERS, }; ================================================ FILE: backend/src/server/server-reducer.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import redux from 'redux'; import uuid from 'uuid'; import HashRing from 'hashring'; import { logger } from '../logger'; import roomDataConstants from '../rooms/room-data-constants'; import roomNames from '../rooms/room-names'; import { createFilteredActionHandler } from '../utils/reducer-utils'; import config from '../config'; import serverConstants from './server-constants'; const mapServableRooms = ( roomList, hashRing ) => { return roomList.filter( ( roomName ) => { return hashRing.get( roomName ) === config.localIpPortString; } ); }; const initialState = ( () => { let obj = { serverId: config.serverId, syncTopic: null, syncSubscription: null, syncWarmup: { warmupStatus: false, receiptTimes: [] }, appServer: null, websocketServer: null, balancer: null, peers: {}, websockets: {} }; // used to consistently hash room names to target server addresses obj.hashRing = new HashRing( [ `${config.localIpAddress}:${config.serverPort}` ], 'md5', { 'max cache size': 10000 } ); // balancing based on what's available on the server a client arrives at obj.servableRooms = mapServableRooms( roomNames, obj.hashRing ); return obj; } )(); const addSyncSubscriptionWarmupResponse = ( state, action ) => { if( state.syncWarmup.receiptTimes.length >= serverConstants.SYNC_INFO.SYNC_WARMUP_MESSAGE_LIST_LENGTH ) { state.syncWarmup.receiptTimes.shift(); } state.syncWarmup.receiptTimes.push( Date.now() ); return state; }; // action: { syncTopic } const setSyncTopic = ( state, action ) => { if( typeof action.syncTopic === 'undefined' ) { return state; } state.syncTopic = action.syncTopic; return state; }; // action: { syncSubscription } const setSyncSubscription = ( state, action ) => { if( typeof action.syncSubscription === 'undefined' ) { return state; } state.syncSubscription = action.syncSubscription; return state; }; // action: { appServer } const setAppServer = ( state, action ) => { if( typeof action.appServer === 'undefined' ) { return state; } state.appServer = action.appServer; return state; }; // action: { websocketServer } const setWebsocketServer = ( state, action ) => { if( typeof action.websocketServer === 'undefined' ) { return state; } state.websocketServer = action.websocketServer; return state; }; // action: { balancer } const setBalancer = ( state, action ) => { if( typeof action.peerId === 'undefined' ) { return state; } state.balancer = action.balancer; return state; }; // action: { monitorTask, peerId } const setMonitorTaskForPeer = ( state, action ) => { if( typeof action.peerId === 'undefined' ) { return state; } state.peers[ action.peerId ].monitorTask = action.monitorTask; return state; }; // action: { peerId, data } const setLastHeartbeatForPeer = ( state, action ) => { if( typeof action.peerId === 'undefined' ) { return state; } if( !state.peers[ action.peerId ] ) { state.peers[ action.peerId ] = { lastHeartbeatTime: 0, ip: action.data.ip, port: action.data.port }; // add peer to balancer hash ring let peerIpPortString = `${action.data.ip}:${action.data.port}`; logger.info( `adding peer ${peerIpPortString}` ); state.hashRing.add( peerIpPortString ); logger.trace( `balancer hash ring is now:`, Object.keys( state.hashRing.vnodes ) ); // remap list of rooms this server should serve, based on new hash ring let start = Date.now(); state.servableRooms = mapServableRooms( roomNames, state.hashRing ); let end = Date.now(); logger.info( `addPeerToList remapped ${state.servableRooms.length} rooms in ${end - start}ms` ); } state.peers[ action.peerId ].lastHeartbeatTime = Date.now(); return state; }; // action: { serverId } const removePeerFromList = ( state, action ) => { if( typeof action.peerId === 'undefined' ) { return state; } if( state.peers[ action.peerId ] ) { let peer = state.peers[ action.peerId ]; let peerIpPortString = `${peer.ip}:${peer.port}`; // remove peer from balancer hash ring logger.info( `removing peer ${peerIpPortString}` ); state.hashRing.remove( peerIpPortString ); logger.trace( `balancer hash ring is now:`, Object.keys( state.hashRing.vnodes ) ); // remap list of rooms this server should serve, based on new hash ring let start = Date.now(); state.servableRooms = mapServableRooms( roomNames, state.hashRing ); let end = Date.now(); logger.info( `removePeerFromList remapped ${state.servableRooms.length} rooms in ${end - start}ms` ); state.peers[ action.peerId ] = null; delete state.peers[ action.peerId ]; } let remainingPeers = Object.keys( state.peers ); if( remainingPeers.length > 0 ) { logger.info( `remaining peers: `, Object.keys( state.peers )); } else { logger.info( `no remaining peers` ); } return state; }; // action: { ws } const addWebsocketToState = ( state, action ) => { if( typeof action.ws === 'undefined' ) { return state; } state.websockets[ action.ws.id ] = action.ws; let count = Object.keys( state.websockets ).length; logger.trace( `[+] this server now has ${count} websockets` ); return state; }; const setWebsocketTimeoutTaskForClient = ( state, action ) => { if( typeof action.clientId === 'undefined' ) { return state; } state.websockets[ action.clientId ].timeoutTask = action.timeoutTask; return state; }; const removeWebsocketTimeoutTaskFromClient = ( state, action ) => { if( typeof action.clientId === 'undefined' ) { return state; } state.websockets[ action.clientId ].timeoutTask = null; delete state.websockets[ action.clientId ].timeoutTask; return state; }; // action: { ws, roomName } const removeWebsocketFromState = ( state, action ) => { if( typeof action.ws === 'undefined' ) { return state; } if( !state.websockets[ action.ws.id ] ) { return state; } // state.websockets[ action.ws.id ] = null; delete state.websockets[ action.ws.id ]; let count = Object.keys( state.websockets ).length; logger.trace( `[-] this server now has ${count} websockets` ); return state; }; // action: { roomName, wsId } const setQueuedRoomForWebsocket = ( state, action ) => { if( typeof action.wsId === 'undefined' ) { return state; } state.websockets[ action.wsId ].queuedRoom = action.roomName; return state; }; // action: { roomName, wsId } const removeQueuedRoomForWebsocket = ( state, action ) => { if( typeof action.wsId === 'undefined' ) { return state; } state.websockets[ action.wsId ].queuedRoom = null; delete state.websockets[ action.wsId ].queuedRoom; return state; }; // action: { clientId, roomName } const setCurrentRoomForWebsocket = ( state, action ) => { if( typeof action.clientId === 'undefined' ) { return state; } if( !state.websockets[ action.clientId ] ) { return state; } state.websockets[ action.clientId ].currentRoom = action.roomName; state.websockets[ action.clientId ].queuedRoom = null; delete state.websockets[ action.clientId ].queuedRoom; return state; }; // action: { clientId, roomName } const removeCurrentRoomFromWebsocket = ( state, action ) => { if( typeof action.clientId === 'undefined' ) { return state; } if( !state.websockets[ action.clientId ] ) { return state; } state.websockets[ action.clientId ].currentRoom = null; delete state.websockets[ action.clientId ].currentRoom; return state; }; export default createFilteredActionHandler( { [ serverConstants.ACTION_TYPES.ADD_SYNC_SUBSCRIPTION_WARMUP_RESPONSE ]: addSyncSubscriptionWarmupResponse, [ serverConstants.ACTION_TYPES.SET_SYNC_TOPIC ]: setSyncTopic, [ serverConstants.ACTION_TYPES.SET_SYNC_SUBSCRIPTION ]: setSyncSubscription, [ serverConstants.ACTION_TYPES.SET_APP_SERVER ]: setAppServer, [ serverConstants.ACTION_TYPES.SET_WEBSOCKET_SERVER ]: setWebsocketServer, [ serverConstants.ACTION_TYPES.SET_BALANCER ]: setBalancer, [ serverConstants.ACTION_TYPES.SET_MONITOR_TASK_FOR_PEER ]: setMonitorTaskForPeer, [ serverConstants.ACTION_TYPES.SET_LAST_HEARTBEAT_FOR_PEER ]: setLastHeartbeatForPeer, [ serverConstants.ACTION_TYPES.REMOVE_PEER_FROM_LIST ]: removePeerFromList, [ serverConstants.ACTION_TYPES.ADD_WEBSOCKET_TO_STATE ]: addWebsocketToState, [ serverConstants.ACTION_TYPES.SET_WEBSOCKET_TIMEOUT_TASK_FOR_CLIENT ]: setWebsocketTimeoutTaskForClient, [ serverConstants.ACTION_TYPES.REMOVE_WEBSOCKET_TIMEOUT_TASK_FOR_CLIENT ]: removeWebsocketTimeoutTaskFromClient, [ serverConstants.ACTION_TYPES.REMOVE_WEBSOCKET_FROM_STATE ]: removeWebsocketFromState, [ roomDataConstants.ACTION_TYPES.ADD_WEBSOCKET_TO_QUEUE_FOR_ROOM ]: setQueuedRoomForWebsocket, [ roomDataConstants.ACTION_TYPES.ADD_LOCAL_CLIENT_TO_ROOM ]: setCurrentRoomForWebsocket, [ roomDataConstants.ACTION_TYPES.REMOVE_LOCAL_CLIENT_FROM_ROOM ]: removeCurrentRoomFromWebsocket, }, initialState ); ================================================ FILE: backend/src/server/server-sagas.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { delay, takeEvery, takeLatest } from 'redux-saga'; import { call, cancel, cancelled, put, fork, select } from 'redux-saga/effects'; import datastore from '@google-cloud/datastore'; import fetch from 'node-fetch'; import { logger } from '../logger'; import { messageConstants } from '../messages'; import { pubsubClient } from '../pubsub'; import { sendWsMessageWithLogger } from '../utils/websocket-utils'; import { setPerClientRateLimiterOptions, setPerMessageTypeRateLimiterOptions } from '../messages/message-rate-limiter'; import { dsClient, datastoreConstants } from '../datastore'; import { roomDataActions, roomDataConstants, roomStateActions, roomStateConstants } from '../rooms'; import config from '../config'; import { sagaUtils } from '../utils'; import serverActions from './server-actions'; import serverConstants from './server-constants'; import serverSetup from './server-setup'; import serverSync from './server-sync'; import { lbHealthCheckUrl } from './app-server'; /******************************************************************************* * SERVERS SEND SYNC HEARTBEATS UNTIL THEY DIE *******************************************************************************/ const startSendingSyncHeartbeat = function* () { logger.info( `starting to send sync heartbeats every ` + `${serverConstants.SYNC_INFO.SYNC_HEARTBEAT_PERIOD_IN_MS}ms` ); do { try { yield serverSync.sendSyncMessageOfType( // send the local ip and the port of the websocket app server // for remote balancers to add to their lists // and check every SYNC_HEARTBEAT_TIMEOUT_IN_MS { ip: config.localIpAddress, port: config.serverPort }, serverConstants.SYNC_MESSAGES.SYNC_HEARTBEAT ); } catch( error ) { logger.error( `error sending sync heartbeat: ${error.message}` ); } yield delay( serverConstants.SYNC_INFO.SYNC_HEARTBEAT_PERIOD_IN_MS ); } while ( true ); }; /******************************************************************************* * SERVERS CAN LOAD/RELOAD THEIR RATE LIMIT INFO FROM DATASTORE *******************************************************************************/ const loadRateLimiterInfo = function* () { logger.info( `loading rate limiter info for ${config.environmentName}` ); // check if any limit info is in the datastore for this environment let query = dsClient.createQuery( datastoreConstants.DS_ENTITY_KEY_PER_ENVIRONMENT_RATE_LIMIT_INFO ) .filter( 'environmentName', '=', config.environmentName ); let queryResult = yield dsClient.runQuery( query ); if( queryResult[ 0 ].length <= 0 ) { logger.trace( `no rate limiter info stored for ${config.environmentName}` ); return; } let rateLimitInfo = queryResult[ 0 ][ 0 ]; const limitTypes = [ 'perClient_threshold', 'perClient_ttl_millisec', 'perMsgType_threshold', 'perMsgType_ttl_millisec' ]; for( let t of limitTypes ) { if( typeof rateLimitInfo[ t ] !== 'number' ) { logger.trace( `${t} ${rateLimitInfo[ t ]} is not a number, discarding rate limit info` ); return; } } // update the per-client rate limiter let perClientRateLimiterOptions = { threshold: rateLimitInfo.perClient_threshold, ttl_millisec: rateLimitInfo.perClient_ttl_millisec }; setPerClientRateLimiterOptions( perClientRateLimiterOptions ); // update the per-message-type rate limiter let perMessageTypeRateLimiterOptions = { threshold: rateLimitInfo.perMsgType_threshold, ttl_millisec: rateLimitInfo.perMsgType_ttl_millisec }; setPerMessageTypeRateLimiterOptions( perMessageTypeRateLimiterOptions ); }; /******************************************************************************* * SERVERS SAVE THEIR SUBSCRIPTION NAME WITH CURRENT TIMESTAMP UNTIL THEY DIE *******************************************************************************/ const startSavingSubscriptionInfo = function* () { logger.info( `starting to save subscription info every ` + `${serverConstants.SAVE_INFO.SAVE_SUBSCRIPTION_INFO_PERIOD_IN_MS}ms` ); let { roomState, serverState } = yield select( ( state ) => { return { roomState: state.roomStateReducer, serverState: state.serverReducer }; } ); let clientCount = Object.keys( serverState.websockets ).length; let roomsInUse = Object.keys( roomState.roomsByState[ roomStateConstants.STATES.READY ] ).length; const topicName = serverState.syncTopic.name.split( '/' ).pop(); const subscriptionName = serverState.syncSubscription.name.split( '/' ).pop(); const key = dsClient.key( [ datastoreConstants.DS_ENTITY_KEY_SERVER_SUBSCRIPTION_INFO, config.serverId ] ); let data = { serverId: config.serverId, ip: config.localIpAddress, port: config.serverPort, topicName, subscriptionName, clientCount, roomsInUse }; do { ( { roomState, serverState } = yield select( ( state ) => { return { roomState: state.roomStateReducer, serverState: state.serverReducer }; } ) ); data.clientCount = Object.keys( serverState.websockets ).length; data.roomsInUse = Object.keys( roomState.roomsByState[ roomStateConstants.STATES.READY ] ).length + Object.keys( roomState.roomsByState[ roomStateConstants.STATES.ROOM_FULL ] ).length; data.ts = new Date(); let entity = { key, method: 'upsert', data }; try { let result = yield dsClient.save( entity ); } catch( error ) { logger.error( `error saving subscription info to datastore: ${error.message}` ); } yield delay( serverConstants.SAVE_INFO.SAVE_SUBSCRIPTION_INFO_PERIOD_IN_MS ); } while ( true ); }; /******************************************************************************* * SERVERS PERIODICALLY CHECK DATASTORE FOR DEAD PEER SUBSCRIPTION INFO *******************************************************************************/ const startCheckingDeadPeerSubscriptions = function* () { let possiblyDeadPeerPeriod = serverConstants.SAVE_INFO.SAVE_SUBSCRIPTION_INFO_PERIOD_IN_MS * 5; logger.info( `starting to check peer subscriptions every ${possiblyDeadPeerPeriod}ms`); do { try { let deadPeer = yield call( findFirstDeadPeerForCurrentDeployment, possiblyDeadPeerPeriod ); // any results if( typeof deadPeer !== 'undefined' ) { // that aren't somehow from this server if( deadPeer.serverId !== config.serverId ) { // should maybe be deleted yield maybeDeletePeerSubscription( deadPeer ); } else { logger.trace( `not deleting my own sync subscription` ); } } } catch( error ) { logger.error( `error trying to check dead peer subscriptions: ${error.message}` ); } yield delay( serverConstants.SAVE_INFO.CHECK_SUBSCRIPTION_INFO_PERIOD_IN_MS ); } while( true ); }; const findFirstDeadPeerForCurrentDeployment = ( possiblyDeadPeerPeriod ) => { return new Promise( ( resolve, reject ) => { let dateNow = Date.now(); let olderThanDateThreshold = new Date( dateNow - possiblyDeadPeerPeriod ); let query = dsClient.createQuery( datastoreConstants.DS_ENTITY_KEY_SERVER_SUBSCRIPTION_INFO ) .filter( 'ts', '<', olderThanDateThreshold ) .order( 'ts', { descending: true } ); let stream = query.runStream(); let deadPeer; stream .on( 'error', reject ) .on( 'data', ( entity ) => { if( typeof entity[ 'topicName' ] === 'undefined' ) { return; } if( entity.topicName !== config.syncTopicName ) { return; } let timeAgo = new Date( dateNow ) - entity.ts; if( timeAgo < possiblyDeadPeerPeriod ) { return; } deadPeer = entity; stream.end(); } ) .on( 'info', ( info ) => {} ) .on( 'end', () => { resolve( deadPeer ); } ) } ); }; const maybeDeletePeerSubscription = function* ( entity ) { let shouldDeletePeerSubscription = false; try { // first, check against the HTTP endpoint to see if it's still alive let healthCheckUrl = `${'http://'}${entity.ip}:${entity.port}${lbHealthCheckUrl}`; let options = { timeout: 10000 }; logger.info( `health-checking possibly-dead peer: ${entity.topicName} | ${entity.serverId} | ${entity.ip}:${entity.port} | ${entity.ts.toISOString().replace(/^([^T]+)T([^Z]+)Z$/, '$1 $2' )}` ); // fetch() throws on network errors & timeouts let result = yield fetch( healthCheckUrl, options ); logger.trace( `got HTTP status ${result.status} from health-check for peer ${entity.serverId}` ); } catch( error ) { logger.info( `got network/timeout error health-checking peer ${entity.serverId}, marking for deletion` ); shouldDeletePeerSubscription = true; } if( shouldDeletePeerSubscription === false ) { logger.trace( `found peer alive at ${entity.ip}:${entity.port} while checking subscription for peer ${entity.serverId}` ); let peerState = yield select( ( state ) => { return state.serverReducer.peers; } ); // if the peer's IP is alive but the ID isn't in the peer list, // another server must have taken over the IP address, so this // server should carry on and delete the old subscription info if( Object.keys( peerState ).indexOf( entity.serverId ) > 0 ) { return; } logger.info( `IP is responding but server ${entity.serverId} is not in peer list, deleting old subscription info` ); } let topic = yield pubsubClient.getPubsubTopic( entity.topicName ); if( !topic.exists() ) { logger.warn( `not deleting subscription to topic ${entity.topicName}, no such topic exists` ); return; } let subscription = topic.subscription( entity.subscriptionName ); if( !subscription.exists() ) { logger.warn( `not deleting subscription ${entity.subscriptionName}, no such subscription exists` ); return; } try { logger.info( `deleting PubSub subscription ${entity.subscriptionName}` ); let pubsubDeleteResult = yield subscription.delete(); } catch( error ) { // 404 just means another peer deleted this first if( error.code !== 404 ) { // other errors need to be flagged logger.error( `error deleting subscription ${entity.subscriptionName} for supposedly-dead peer ${entity.serverId}: ${error.message}` ); return; } } try { logger.info( `deleting Datastore record for subscription ${entity.subscriptionName}` ); let datastoreDeleteResult = yield dsClient.delete( entity[ datastore.KEY ] ); } catch( error ) { logger.error( `error deleting Datastore record for supposedly-dead peer ${entity.serverId}: ${error.message}` ); } }; const checkMonitorForPeer = function* ( action ) { let serverState = yield select( ( state ) => { return state.serverReducer; } ); // check if a monitor already exists if( typeof serverState.peers[ action.peerId ].monitorTask === 'undefined' ) { try { // create one let task = yield fork( peerMonitorTaskFunction, action.peerId, action.data.ip, action.data.port ); // add to state so next check passes yield put( serverActions.setMonitorTaskForPeerRequestAction( task, action.peerId ) ); } catch( error ) { logger.error( `error trying to create monitor task for peer ${action.peerId}` ); } } }; const peerMonitorTaskFunction = function* ( peerId, ip, port ) { try { logger.info( `starting monitor for peer ${peerId} at ${ip}:${port}` ); do { let peerState = yield select( ( state ) => { return state.serverReducer.peers; } ); let lastHeartbeatTime = peerState[ peerId ].lastHeartbeatTime; // assuming the sync heartbeat has started if( lastHeartbeatTime > 0 ) { // if the last one was too long ago if( ( Date.now() - lastHeartbeatTime ) > serverConstants.SYNC_INFO.SYNC_HEARTBEAT_TIMEOUT_IN_MS ) { try { // first, check against the HTTP endpoint to see if it's still alive let healthCheckUrl = `${'http://'}${ip}:${port}${lbHealthCheckUrl}`; let options = { timeout: 5000 }; // fetch() throws on network errors & timeouts let result = yield fetch( healthCheckUrl, options ); // if it's not returning HTTP 200 OK, throw to trigger removal from peer list if( result.status !== 200 ) { throw new Error( `received HTTP status ${result.status} from health-check` ); } } catch( error ) { // assume it's died logger.warn( `error health-checking peer ${peerId} after monitor timeout: ${error.message}` ); // remove from peer list yield put( serverActions.removePeerFromListRequestAction( peerId ) ); break; } } } // check every half second or so, assuming 5-second timeout yield delay( Math.floor( serverConstants.SYNC_INFO.SYNC_HEARTBEAT_TIMEOUT_IN_MS / 8 ) ); } while ( true ); } catch( error ) { logger.warn( `error starting monitor for peer ${peerId} at ${ip}:${port}` ); } finally { if( yield cancelled() ) { logger.trace( `cancelled monitor for peer ${peerId}` ); } } }; /******************************************************************************* * SAGA WATCHERS *******************************************************************************/ const watchStartServerSetupRequests = function* () { yield takeEvery( serverConstants.ACTION_TYPES.START_SERVER_SETUP, serverSetup.startServerSetup ); }; const watchStartSyncSubscriptionWarmupRequests = function* () { yield takeEvery( serverConstants.ACTION_TYPES.START_SYNC_SUBSCRIPTION_WARMUP, serverSetup.startSyncSubscriptionWarmup ); }; const watchFinishServerSetupRequests = function* () { yield takeEvery( serverConstants.ACTION_TYPES.FINISH_SERVER_SETUP, serverSetup.finishServerSetup ); }; const watchStartSendingSyncHeartbeatRequests = function* () { yield takeEvery( serverConstants.ACTION_TYPES.START_SENDING_SYNC_HEARTBEAT, startSendingSyncHeartbeat ); }; const watchLoadRateLimiterInfoRequests = function* () { yield takeEvery( serverConstants.ACTION_TYPES.LOAD_RATE_LIMITER_INFO_FROM_DATASTORE, loadRateLimiterInfo ); }; const watchStartSavingSubscriptionInfoRequests = function* () { yield takeEvery( serverConstants.ACTION_TYPES.START_SAVING_SUBSCRIPTION_INFO, startSavingSubscriptionInfo ); }; const watchStartCheckingDeadPeerSubscriptionsRequests = function* () { yield takeEvery( serverConstants.ACTION_TYPES.START_CHECKING_DEAD_PEER_SUBSCRIPTIONS, startCheckingDeadPeerSubscriptions ); }; /******************************************************************************* * WHEN SERVERS INTRODUCE THEMSELVES, START MONITORING THEIR HEARTBEATS *******************************************************************************/ const watchPeerHeartbeatEvents = function* () { yield takeEvery( serverConstants.ACTION_TYPES.SET_LAST_HEARTBEAT_FOR_PEER, checkMonitorForPeer ); }; export default { setupServerSaga: function* () { const sagas = [ watchStartServerSetupRequests, watchFinishServerSetupRequests ]; yield sagaUtils.spawnAutoRestartingSagas( sagas ); }, syncSaga: function* () { const sagas = [ watchStartSyncSubscriptionWarmupRequests, watchStartSendingSyncHeartbeatRequests, watchLoadRateLimiterInfoRequests, watchStartSavingSubscriptionInfoRequests, watchStartCheckingDeadPeerSubscriptionsRequests, watchPeerHeartbeatEvents, ]; yield sagaUtils.spawnAutoRestartingSagas( sagas ); } }; ================================================ FILE: backend/src/server/server-setup.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import storage from '@google-cloud/storage'; import { put, select } from 'redux-saga/effects'; import { delay } from 'redux-saga'; import { logger } from '../logger'; import { pubsubClient } from '../pubsub'; import { getStoreState } from '../store'; import config from '../config'; import serverActions from './server-actions'; import serverConstants from './server-constants'; import serverSync from './server-sync'; import serverStartup from './server-startup'; /* * kick off setup, get sync channel topic & subscription */ const startServerSetup = function* ( action ) { logger.info( `connecting to sync channel '${config.syncTopicName}'` ); // get the PubSub sync topic let topic; try { topic = yield getPubsubSyncTopic(); } catch( error ) { logger.error( `pubsub error creating sync channel: ${error.message}` ); process.exit( 1 ); } // create a subscription for the sync topic let subscription; try { subscription = yield getPubsubSyncSubscriptionForTopic( topic ); } catch( error ) { logger.error( `pubsub error subscribing to sync channel: ${error.message}` ); process.exit( 1 ); } // set message & error handlers for the sync subscription setSyncSubscriptionListeners( subscription ); // add sync subscription to server state yield put( serverActions.setSyncSubscriptionRequestAction( subscription ) ); // add sync topic to server state yield put( serverActions.setSyncTopicRequestAction( topic ) ); logger.trace( `connected to sync channel, subscription ${subscription.name}` ); // make sure the pubsub sync topic is warmed up so it doesn't kill monitors yield put( serverActions.startSyncSubscriptionWarmupRequestAction() ); yield put( serverActions.loadRateLimiterInfoRequestAction() ); }; /* * warm up the sync channel Pubsub subscription */ const startSyncSubscriptionWarmup = function* ( action ) { logger.info( `starting sync channel subscription warmup` ); let syncWarmupStartTime = Date.now(); while( true ) { try { yield serverSync.sendSyncMessageOfType( null, serverConstants.SYNC_MESSAGES.SYNC_WARMUP ); } catch( error ) { // this will be a PubSub operational issue, and thus transient }; // small delay period = lots of messages = hopefully warm up faster yield delay( 10 ); let syncIsWarmedUp = yield getSyncWarmedUpStatus(); if( syncIsWarmedUp ) { break; } } // ready to roll let syncWarmupTotalTime = (Date.now() - syncWarmupStartTime) / 1000; logger.trace( `sync channel subscription warmup took ${syncWarmupTotalTime} seconds` ); // sync channel subscription is warmed up, start up the app/websocket servers yield put( serverActions.finishServerSetupRequestAction() ); }; /* * work out whether the sync channel is warmed up yet */ const getSyncWarmedUpStatus = function* () { let receiptTimes = getStoreState().serverReducer.syncWarmup.receiptTimes; // make sure we have enough receipt times to make it worth calculating if( receiptTimes.length < serverConstants.SYNC_INFO.SYNC_WARMUP_MESSAGE_LIST_LENGTH ) { return false; } // work out the differences between the receipt times let differences = []; for( let i = 0; i < receiptTimes.length - 1 ; i++ ) { differences[ i ] = receiptTimes[ i+1 ] - receiptTimes[ i ]; } // 0 difference means they're still being batched let nonZeroDifferences = differences.reduce( ( acc, difference ) => { if( difference == 0 ) { return acc; } acc.push( 1 ); return acc; }, [] ); // fail if less than half the list are still being batched if( nonZeroDifferences.length < ( Math.ceil( serverConstants.SYNC_INFO.SYNC_WARMUP_MESSAGE_LIST_LENGTH ) / 2 ) ) { return false; } // should be warmed up by now return true; } /* * broadcast intro on sync channel, start app/websocket servers */ const finishServerSetup = function* ( action ) { // decide whether to serve SSL, & get certs from storage if so let sslInfo = config.sslInfo.useSsl ? yield getSslCertInfo() : { useSsl: false }; // start sending heartbeats to the sync channel yield put( serverActions.startSendingSyncHeartbeatRequestAction() ); // start saving ID & sync subscription name to datastore // so that peers can clear the subscription if this server dies yield put( serverActions.startSavingSubscriptionInfoRequestAction() ); // start checking the datastore for peer subscription info saved // long enough ago that the peer might be dead yield put( serverActions.startCheckingDeadPeerSubscriptionsRequestAction() ); // create the app server & websocket server let { app, wsServer, balancer } = serverStartup.startServer( sslInfo ); // save the app/websocket server & balancer references in the server state yield put( serverActions.setAppServerRequestAction( app ) ); yield put( serverActions.setWebsocketServerRequestAction( wsServer ) ); yield put( serverActions.setBalancerRequestAction( balancer ) ); }; /* * retrieve SSL certificate data from Cloud Storage */ const getSslCertInfo = function* () { logger.info( `retrieving SSL cert data for ${config.sslInfo.sslCertHostName} ` + `from bucket ${config.sslInfo.sslStorageBucketName}` ); const gcs = storage( { projectId: config.projectId } ); const bucket = gcs.bucket( config.sslInfo.sslStorageBucketName ); const privKeyFile = bucket.file( config.sslInfo.privKeyFileName ); const fullChainFile = bucket.file( config.sslInfo.fullChainFileName ); try { let privKeyResult = yield privKeyFile.download(); let privKeyData = privKeyResult[ 0 ]; let fullChainResult = yield fullChainFile.download(); let fullChainData = fullChainResult[ 0 ]; return { useSsl: true, options: { key: privKeyData, cert: fullChainData } }; } catch( error ) { logger.error( `error retrieving SSL cert data for ${config.sslInfo.sslCertHostName}, ` + `unable to start SSL: got error code ${error.code} (${error.message}) ` + `fetching ${error.response.req.path}` ); process.exit( serverConstants.ERROR_TYPES.BAD_OS_EXIT_ERROR_CODE ); } }; const getPubsubSyncTopic = function* () { // get the sync topic let topic = yield pubsubClient.getPubsubTopic( config.syncTopicName ); // it should already exist, autoCreate only on first server/app boot. // if it throws, let it throw, and be caught & exited above - // this is critical to the app running. let topicResult = yield topic.get( { autoCreate: true } ); topic = topicResult[ 0 ]; return topic; }; const getPubsubSyncSubscriptionForTopic = function* ( topic ) { // create a sync channel subscription for this server let subscriptionName = [ config.syncTopicName, '-', config.serverId ].join( '' ); let subscriptionOptions = { autoAck: true, maxInProgress: 20 }; // subscribe it to the topic let subscriptionResult = yield topic.subscribe( subscriptionName, subscriptionOptions ); let subscription = subscriptionResult[ 0 ]; return subscription; }; const setSyncSubscriptionListeners = ( subscription ) => { // set a message listener let syncChannelMessageHandler = ( message ) => { serverSync.handleSyncMessageWithLocalServerId( message, config.serverId ); }; subscription.on( 'message', syncChannelMessageHandler ); // set error handler let syncChannelErrorHandler = ( error ) => { serverSync.handleSyncErrorWithLocalServerId( error, config.serverId ); }; subscription.on( 'error', syncChannelErrorHandler ); }; export default { startServerSetup, startSyncSubscriptionWarmup, finishServerSetup }; ================================================ FILE: backend/src/server/server-startup.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import http from 'http'; import https from 'https'; import httpProxy from 'http-proxy'; import { FastRateLimit } from 'fast-ratelimit'; import { logger } from '../logger'; import config from '../config'; import { getBalancerFunction } from './balancer'; import app_server from './app-server'; import ws_server from './websocket-server'; import serverConstants from './server-constants'; const errorHandler = ( error ) => { logger.error( `error starting server: ${error.message}` ); process.exit( serverConstants.ERROR_TYPES.BAD_OS_EXIT_ERROR_CODE ); }; const startServer = ( sslInfo ) => { // http server structure for room-server let server = http.createServer(); // create websocket server to run the websocket app let wsServer = ws_server.startWebsocketServer( server ); wsServer.on( 'error', errorHandler ); // create express app to handle HTTP requests let app = app_server.createApp(); app.on( 'error', errorHandler ); // attach express app to plain-http server server.on( 'request', app ); // create balancing proxy server to send room requests to correct nodes let proxyServer; let proxyTimeout = 2000; let balancer; // don't serve non-WS HTTP(S) requests let httpFunction = ( req, res ) => { res.statusCode = 403; res.end(); return; }; // decide whether to serve HTTPS ... if( sslInfo.useSsl ) { logger.info( `serving app over SSL using certs for hostname ${config.sslInfo.sslCertHostName}` ); let proxyOptions = { ssl: sslInfo.options, proxyTimeout }; proxyServer = httpProxy.createProxyServer( proxyOptions ); balancer = https.createServer( sslInfo.options, httpFunction ); } // ... or HTTP else { logger.info( `serving app over plain HTTP` ); let proxyOptions = { proxyTimeout }; proxyServer = httpProxy.createProxyServer( proxyOptions ); balancer = http.createServer( httpFunction ); } // attach error handler to whichever of http/https is being used proxyServer.on( 'error', ( err ) => { logger.error( `proxy error ${err.code} trying to '${err.syscall}' to ${err.address}:${err.port}` ); } ); balancer.on( 'error', ( err ) => { logger.error( `balancer error:`, err ); } ); // add the node-balancing websocket handler to the balancer server balancer.on( 'upgrade', getBalancerFunction( proxyServer ) ); // run the server & the balancer try { server.listen( config.serverPort, () => { logger.info( `starting WS server on port ${config.serverPort}` ); logger.info( `allowing ${config.maxClientsPerRoom} clients per room` ); } ); balancer.listen( config.balancerPort, () => { logger.info( `starting balancer on port ${config.balancerPort}` ); } ); return { app, wsServer, balancer }; } catch( error ) { logger.error( `=> error starting server: ${error.message}` ); process.exit( serverConstants.ERROR_TYPES.BAD_OS_EXIT_ERROR_CODE ); } }; export default { startServer }; ================================================ FILE: backend/src/server/server-sync-handlers.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import serverActions from './server-actions'; import serverConstants from './server-constants'; import { logger } from '../logger'; import { dispatchStoreAction, getStoreState } from '../store'; // new server, possibly this one, has joined & is warming up its sync channel subscription const handleSyncWarmup = ( msgPayload, myId ) => { // not interested in other servers' subscription warmup messages if( msgPayload.from !== myId ) { return; } // update our state with a new warmup response dispatchStoreAction( serverActions.addSyncSubscriptionWarmupResponseRequestAction() ); }; // store peer's last sync heartbeat so as to be able to monitor over time const handleSyncHeartbeat = ( msgPayload, myId ) => { dispatchStoreAction( serverActions.setLastHeartbeatForPeerRequestAction( msgPayload.data, msgPayload.from ) ); }; // handle pubsub request to reload rater limiter info from datastore const handleLoadRateLimiterInfo = () => { dispatchStoreAction( serverActions.loadRateLimiterInfoRequestAction() ); }; export default { handleSyncWarmup, handleSyncHeartbeat, handleLoadRateLimiterInfo }; ================================================ FILE: backend/src/server/server-sync.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { select } from 'redux-saga/effects'; import { logger } from '../logger'; import { serialize, deserialize } from '../s11n'; import config from '../config'; import serverConstants from './server-constants'; import serverSyncHandlers from './server-sync-handlers'; // wrapped in a closure because node.js doesn't seem to parse dots in object literal key definitions const handlerFunctions = ( () => { let m = serverConstants.SYNC_MESSAGES; let obj = {}; obj[ m.SYNC_WARMUP ] = serverSyncHandlers.handleSyncWarmup; obj[ m.SYNC_HEARTBEAT ] = serverSyncHandlers.handleSyncHeartbeat; obj[ m.LOAD_RATE_LIMITER_INFO ] = serverSyncHandlers.handleLoadRateLimiterInfo; return obj; } )(); const handleSyncMessageWithLocalServerId = ( message, localServerId ) => { let msgPayload = deserialize( message.data ); // the only self-sent messages servers care about is warmup let interestingSelfSentMessageTypes = [ serverConstants.SYNC_MESSAGES.SYNC_WARMUP ]; // disregard uninteresting local messages if( interestingSelfSentMessageTypes.indexOf( msgPayload.type ) < 0 ) { if( msgPayload.from === localServerId ) { return; } } if( handlerFunctions[ msgPayload.type ] ) { handlerFunctions[ msgPayload.type ]( msgPayload, localServerId ); } else { logger.trace( `got sync message of type ${msgPayload.type}: `, msgPayload ); } }; const handleSyncErrorWithLocalServerId = ( error, localServerId ) => { logger.error( `server ${localServerId} exiting because of error on sync channel: ${error.message}` ); process.exit( 1 ); }; const sendSyncMessageOfType = function* ( message, type ) { let serverState = yield select( ( state ) => { return state.serverReducer; } ); let syncTopic = serverState.syncTopic; let messageObject = { from: config.serverId, type: type }; if( message ) { messageObject.data = message; } let serializedMessage = serialize( messageObject ); return yield syncTopic.publish( serializedMessage ); }; export default { handleSyncMessageWithLocalServerId, handleSyncErrorWithLocalServerId, sendSyncMessageOfType }; ================================================ FILE: backend/src/server/target-server-utils.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import config from '../config'; const localTargetServer = `${config.localIpAddress}:${config.serverPort}`; const privateTargetServer = `127.0.0.1:${config.serverPort}`; const privatiseTargetServerIfLocal = ( targetServer ) => { if( targetServer === localTargetServer ) { return privateTargetServer; } return targetServer; }; export { privatiseTargetServerIfLocal }; ================================================ FILE: backend/src/server/websocket-server.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { Server } from 'uws'; import uuid from 'uuid'; import url from 'url'; import { logger } from '../logger'; import { messageHandler } from '../messages'; import { makeWsReplyMessage, sendWsMessageWithLogger } from '../utils/websocket-utils'; import { roomDataActions, roomStateConstants } from '../rooms'; import { dispatchStoreAction, getStoreState } from '../store'; import config from '../config'; import messageConstants from '../messages/message-constants'; import { perClientRateLimiter } from '../messages/message-rate-limiter'; import { urlUtils } from '../utils'; import serverActions from './server-actions'; import serverConstants from './server-constants'; const CUSTOM_PROXY_HEADERS = serverConstants.CUSTOM_PROXY_HEADERS; const outgoingMsgComponents = messageConstants.OUTGOING_MESSAGE_COMPONENTS; const startWebsocketServer = ( http_server ) => { // create websocket server object let wssConf = { server: http_server }; let wss = new Server( wssConf ); // predefined 'invalid url' message const badUrlMsg = makeWsReplyMessage( config.serverId, messageConstants.ERROR_TYPES.INVALID_URL ); // predefined 'no rooms available' message const noRoomsAvailableMsg = makeWsReplyMessage( config.serverId, messageConstants.ERROR_TYPES.NO_ROOMS_AVAILABLE ); // predefined 'room full' message const roomFullMsg = makeWsReplyMessage( config.serverId, messageConstants.ERROR_TYPES.ROOM_FULL ); // set up an incoming websocket connection wss.on( 'connection', ( ws ) => { let headers = ws.upgradeReq.headers; // if the proxy flagged no rooms available, close the connection if( typeof headers[ CUSTOM_PROXY_HEADERS.X_NO_ROOMS_AVAILABLE ] !== 'undefined' ) { sendWsMessageWithLogger( ws, noRoomsAvailableMsg, logger ); ws.close(); return; } // if the proxy marked the request to be closed, close the connection if( typeof headers[ CUSTOM_PROXY_HEADERS.X_PLEASE_CLOSE_THIS_CONNECTION ] !== 'undefined' ) { sendWsMessageWithLogger( ws, badUrlMsg, logger ); ws.close(); return; } // if some kind of problem stopped a name being specified, close the connection if( typeof headers[ CUSTOM_PROXY_HEADERS.X_REQUESTED_ROOM_NAME ] === 'undefined' ) { sendWsMessageWithLogger( ws, badUrlMsg, logger ); ws.close(); return; } // if this server's running in production ... if( config.projectId === config.productionEnvironmentProjectId ) { // ... and the client didn't provide the correct Origin header let parsedUrl = url.parse( headers.origin ); if( parsedUrl.hostname !== config.productionEnvironmentRequiredOrigin ) { sendWsMessageWithLogger( ws, badUrlMsg, logger ); ws.close(); return; } } // generate UUID to identify connection ws.id = uuid(); ws.lastAction = Date.now(); // get the headset type & optional requested room from custom headers set by proxy ws.headsetType = ws.upgradeReq.headers[ CUSTOM_PROXY_HEADERS.X_CLIENT_HEADSET_TYPE ]; ws.requestedRoomName = ws.upgradeReq.headers[ CUSTOM_PROXY_HEADERS.X_REQUESTED_ROOM_NAME ]; // if the client requested the room directly if( typeof headers[ CUSTOM_PROXY_HEADERS.X_CLIENT_SPECIFIED_ROOM_NAME ] !== 'undefined' ) { let specifiedRoomName = headers[ CUSTOM_PROXY_HEADERS.X_REQUESTED_ROOM_NAME ]; let roomState = getStoreState().roomStateReducer; // belt & braces if( typeof roomState.rooms[ specifiedRoomName ] === undefined ) { sendWsMessageWithLogger( ws, badUrlMsg, logger ); ws.close(); return; } // only MAX_CLIENTS_PER_ROOM allowed into client-specified room names if( roomState.rooms[ specifiedRoomName ].status === roomStateConstants.STATES.ROOM_FULL ) { sendWsMessageWithLogger( ws, roomFullMsg, logger ); ws.close(); return; } // TODO: clients only allowed into rooms with availability for their headset type // check against roomDataReducer.avails[ clientHeadsetType ] // -- empty rooms also allowed ( roomStateReducer.roomsByState ) } // CLIENT: tell the client its id and the id of the server it's connected to let clientMsgData = { [ outgoingMsgComponents.CONNECTION_INFO.CLIENT_ID ]: ws.id, [ outgoingMsgComponents.CONNECTION_INFO.SERVER_ID ]: config.serverId }; let clientMsg = makeWsReplyMessage( config.serverId, messageConstants.OUTGOING_MESSAGE_TYPES.CONNECTION_INFO, clientMsgData ); try{ sendWsMessageWithLogger( ws, clientMsg, logger ); } catch( error ) { logger.trace( `error sending error message to client ${ws.id} while sending room info:`, error.message ); } // add to the server's state, to make accessible via id dispatchStoreAction( serverActions.addWebsocketToStateRequestAction( ws ) ); // route messages from the connection via message-handler/validator/sagas ws.on( 'message', ( message, flags ) => { // drop all viewer messages in production? if( config.dropViewerMessagesInProduction === true ) { if( config.projectId === config.productionEnvironmentProjectId ) { if( ws.headsetType === messageConstants.HEADSET_TYPES.HEADSET_TYPE_VIEWER ) { return; } } } // keep track of last time client did anything for inactivity-timeout ws.lastAction = Date.now(); if( config.rateLimitInfo.perClientRateLimit === true ) { // rate-limit overall msg rate per client perClientRateLimiter.consume( ws.id ) .then( () => { messageHandler.handleWebsocketMessage( ws, message ); }) .catch( () => {} ); } else { messageHandler.handleWebsocketMessage( ws, message ); } } ); // add a handler for when the connection closes ws.on( 'close', () => { if( ws.currentRoom ) { logger.trace( `client ${ws.id} disconnected, leaving room ${ws.currentRoom}` ); dispatchStoreAction( roomDataActions.removeLocalClientFromRoomRequestAction( ws.id, ws.currentRoom ) ); } else { logger.trace( `client ${ws.id} disconnected, not from any room` ); } // remove from the server's state, to make inaccessible via id dispatchStoreAction( serverActions.removeWebsocketFromStateRequestAction( ws ) ); } ); // belt & braces ws.on( 'error', ( error ) => { logger.warn( `websocket error on connection ${ws.id}: ${error.message}` ); } ); } ); return wss; }; export default { startWebsocketServer }; ================================================ FILE: backend/src/spheres/index.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import sphereConstants from './sphere-constants'; import messageConstants from '../messages/message-constants'; const incomingMsgComponents = messageConstants.INCOMING_MESSAGE_COMPONENTS; const toneLabel = incomingMsgComponents.CREATE_SPHERE_OF_TONE_AT_POSITION.TONE; const positionLabel = incomingMsgComponents.CREATE_SPHERE_OF_TONE_AT_POSITION.POSITION; const connectionsLabel = incomingMsgComponents.SET_SPHERE_CONNECTIONS.CONNECTIONS; const makeSphereOfToneAtPosition = ( tone, position ) => { return { [ toneLabel ]: tone, [ positionLabel ]: position, [ connectionsLabel ]: [] }; }; const trees = [ require('./trees/0'), require('./trees/1'), require('./trees/2'), require('./trees/3'), require('./trees/4'), require('./trees/5'), ] export { makeSphereOfToneAtPosition, sphereConstants, trees }; ================================================ FILE: backend/src/spheres/sphere-constants.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const SPHERE_INFO = { DEFAULT_NUMBER_OF_SPHERES_PER_ROOM: 5, MAX_NUMBER_OF_SPHERES_PER_ROOM: 50, MAX_NUMBER_OF_CONNECTIONS_PER_SPHERE: 10, SPHERE_HOLD_TIMEOUT_IN_MS: 5000, MINIMUM_STRIKE_VELOCITY: 0, MAXIMUM_STRIKE_VELOCITY: 127, LOWEST_TONE: 0, HIGHEST_TONE: 17 }; export default { SPHERE_INFO }; ================================================ FILE: backend/src/spheres/trees/0.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import serverMessageConstants from '../../messages/message-constants'; const serverMsgComponents = serverMessageConstants.OUTGOING_MESSAGE_COMPONENTS.ROOM_STATUS_INFO; const toneLabel = serverMsgComponents.TONE; const positionLabel = serverMsgComponents.POSITION; const meristemLabel = serverMsgComponents.MERISTEM; const connectionsLabel = serverMsgComponents.CONNECTIONS; module.exports = { "0": { [ toneLabel ]: 7, [ positionLabel ]: { "x": 0.3, "z": 0, "y": 1.2 }, [ meristemLabel ]: true, [ connectionsLabel ]: [] }, "1": { [ toneLabel ]: 9, [ positionLabel ]: { "x": -0.14999999999999994, "z": 0.2598076211353316, "y": 1.2 }, [ meristemLabel ]: true, [ connectionsLabel ]: [] }, "2": { [ toneLabel ]: 11, [ positionLabel ]: { "x": -0.15000000000000013, "z": -0.2598076211353315, "y": 1.2 }, [ meristemLabel ]: true, [ connectionsLabel ]: [] }, "3": { [ toneLabel ]: 9, [ positionLabel ]: { "x": 3.061616997868383e-17, "z": 0.5, "y": 1.6 }, [ meristemLabel ]: true, [ connectionsLabel ]: [] }, "4": { [ toneLabel ]: 12, [ positionLabel ]: { "x": -0.5, "z": 6.123233995736766e-17, "y": 1.6 }, [ meristemLabel ]: true, [ connectionsLabel ]: [] }, "5": { [ toneLabel ]: 8, [ positionLabel ]: { "x": -9.184850993605148e-17, "z": -0.5, "y": 1.6 }, [ meristemLabel ]: true, [ connectionsLabel ]: [] }, "6": { [ toneLabel ]: 11, [ positionLabel ]: { "x": 0.5, "z": -1.2246467991473532e-16, "y": 1.6 }, [ meristemLabel ]: true, [ connectionsLabel ]: [] }, "7": { [ toneLabel ]: 0, [ positionLabel ]: { "x": 0, "z": 0, "y": 2 }, [ meristemLabel ]: true, [ connectionsLabel ]: [] } } ================================================ FILE: backend/src/spheres/trees/1.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import serverMessageConstants from '../../messages/message-constants'; const serverMsgComponents = serverMessageConstants.OUTGOING_MESSAGE_COMPONENTS.ROOM_STATUS_INFO; const toneLabel = serverMsgComponents.TONE; const positionLabel = serverMsgComponents.POSITION; const meristemLabel = serverMsgComponents.MERISTEM; const connectionsLabel = serverMsgComponents.CONNECTIONS; module.exports = { "0": { [ toneLabel ]: 21, [ positionLabel ]: { "x": 0, "z": 0, "y": 2 }, [ meristemLabel ]: false, [ connectionsLabel ]: [] }, "1": { [ toneLabel ]: 14, [ positionLabel ]: { "x": 0.21, "z": 0, "y": 1.7 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 2 ] }, "2": { [ toneLabel ]: 16, [ positionLabel ]: { "x": -0.10499999999999995, "z": 0.18186533479473213, "y": 1.7 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 1, 3 ] }, "3": { [ toneLabel ]: 18, [ positionLabel ]: { "x": -0.1050000000000001, "z": -0.18186533479473205, "y": 1.7 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 2 ] }, "4": { [ toneLabel ]: 11, [ positionLabel ]: { "x": 0.42, "z": 0, "y": 1.4 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 5 ] }, "5": { [ toneLabel ]: 14, [ positionLabel ]: { "x": -0.2099999999999999, "z": 0.36373066958946426, "y": 1.4 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 4, 6 ] }, "6": { [ toneLabel ]: 16, [ positionLabel ]: { "x": -0.2100000000000002, "z": -0.3637306695894641, "y": 1.4 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 5 ] }, "7": { [ toneLabel ]: 9, [ positionLabel ]: { "x": 0.63, "z": 0, "y": 1.1 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 8 ] }, "8": { [ toneLabel ]: 11, [ positionLabel ]: { "x": -0.31499999999999984, "z": 0.5455960043841964, "y": 1.1 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 7, 9 ] }, "9": { [ toneLabel ]: 14, [ positionLabel ]: { "x": -0.3150000000000003, "z": -0.5455960043841962, "y": 1.1 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 8 ] }, "10": { [ toneLabel ]: 7, [ positionLabel ]: { "x": 0.84, "z": 0, "y": 0.8 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 11 ] }, "11": { [ toneLabel ]: 9, [ positionLabel ]: { "x": -0.4199999999999998, "z": 0.7274613391789285, "y": 0.8 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 10, 12 ] }, "12": { [ toneLabel ]: 11, [ positionLabel ]: { "x": -0.4200000000000004, "z": -0.7274613391789282, "y": 0.8 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 11 ] } } ================================================ FILE: backend/src/spheres/trees/2.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import serverMessageConstants from '../../messages/message-constants'; const serverMsgComponents = serverMessageConstants.OUTGOING_MESSAGE_COMPONENTS.ROOM_STATUS_INFO; const toneLabel = serverMsgComponents.TONE; const positionLabel = serverMsgComponents.POSITION; const meristemLabel = serverMsgComponents.MERISTEM; const connectionsLabel = serverMsgComponents.CONNECTIONS; module.exports = { "0": { [ toneLabel ]: 0, [ positionLabel ]: { "x": 0.3, "z": 0, "y": 1.2 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 1, 2 ] }, "1": { [ toneLabel ]: 2, [ positionLabel ]: { "x": 0.6687355423879241, "z": -0.20686414466293768, "y": 1.3 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 0 ] }, "2": { [ toneLabel ]: 4, [ positionLabel ]: { "x": 0.48296291314453416, "z": 0.12940952255126037, "y": 1.45 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 0, 3, 4 ] }, "3": { [ toneLabel ]: 6, [ positionLabel ]: { "x": 0.7938667524116582, "z": 0.42399950402726544, "y": 1.55 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 2 ] }, "4": { [ toneLabel ]: 8, [ positionLabel ]: { "x": 0.6062177826491071, "z": 0.3499999999999999, "y": 1.7 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 2, 5, 6 ] }, "5": { [ toneLabel ]: 10, [ positionLabel ]: { "x": 1.027104089199748, "z": 0.3937730183102396, "y": 1.8 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 4 ] }, "6": { [ toneLabel ]: 12, [ positionLabel ]: { "x": 0.636396103067893, "z": 0.6363961030678928, "y": 1.95 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 4 ] }, "7": { [ toneLabel ]: 3, [ positionLabel ]: { "x": -0.14999999999999994, "z": 0.2598076211353316, "y": 1.2 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 8, 9 ] }, "8": { [ toneLabel ]: 5, [ positionLabel ]: { "x": -0.15521816678371875, "z": 0.6825740404529765, "y": 1.3 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 7 ] }, "9": { [ toneLabel ]: 7, [ positionLabel ]: { "x": -0.35355339059327373, "z": 0.3535533905932738, "y": 1.45 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 7, 10, 11 ] }, "10": { [ toneLabel ]: 9, [ positionLabel ]: { "x": -0.7641277178854433, "z": 0.4755090227947147, "y": 1.55 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 9 ] }, "11": { [ toneLabel ]: 11, [ positionLabel ]: { "x": -0.6062177826491069, "z": 0.3500000000000002, "y": 1.7 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 9, 12, 13 ] }, "12": { [ toneLabel ]: 13, [ positionLabel ]: { "x": -0.854569481781416, "z": 0.6926117244227405, "y": 1.8 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 11 ] }, "13": { [ toneLabel ]: 15, [ positionLabel ]: { "x": -0.8693332436601615, "z": 0.23293714059226894, "y": 1.95 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 11 ] }, "14": { [ toneLabel ]: 4, [ positionLabel ]: { "x": -0.15000000000000013, "z": -0.2598076211353315, "y": 1.2 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 15, 16 ] }, "15": { [ toneLabel ]: 6, [ positionLabel ]: { "x": -0.5135173756042053, "z": -0.4757098957900386, "y": 1.3 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 14 ] }, "16": { [ toneLabel ]: 8, [ positionLabel ]: { "x": -0.12940952255126076, "z": -0.48296291314453405, "y": 1.45 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 14, 17, 18 ] }, "17": { [ toneLabel ]: 10, [ positionLabel ]: { "x": -0.0297390345262156, "z": -0.8995085268219799, "y": 1.55 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 16 ] }, "18": { [ toneLabel ]: 12, [ positionLabel ]: { "x": -1.2858791391047207e-16, "z": -0.7, "y": 1.7 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 16, 19, 20 ] }, "19": { [ toneLabel ]: 14, [ positionLabel ]: { "x": -0.17253460741833146, "z": -1.0863847427329798, "y": 1.8 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 18 ] }, "20": { [ toneLabel ]: 16, [ positionLabel ]: { "x": 0.2329371405922683, "z": -0.8693332436601617, "y": 1.95 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 18 ] } } ================================================ FILE: backend/src/spheres/trees/3.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import serverMessageConstants from '../../messages/message-constants'; const serverMsgComponents = serverMessageConstants.OUTGOING_MESSAGE_COMPONENTS.ROOM_STATUS_INFO; const toneLabel = serverMsgComponents.TONE; const positionLabel = serverMsgComponents.POSITION; const meristemLabel = serverMsgComponents.MERISTEM; const connectionsLabel = serverMsgComponents.CONNECTIONS; module.exports = { "0": { [ toneLabel ]: 19, [ positionLabel ]: { "x": -0.3801701800236835, "z": 0.22714110856547276, "y": 0.9711673841367696 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 1 ] }, "1": { [ toneLabel ]: 21, [ positionLabel ]: { "x": -0.6427852083066042, "z": 0.009616761652669642, "y": 1.1711673841367696 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 0 ] }, "2": { [ toneLabel ]: 18, [ positionLabel ]: { "x": -0.3717230728255157, "z": -0.35540364805038743, "y": 1.0697267415202358 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 3 ] }, "3": { [ toneLabel ]: 20, [ positionLabel ]: { "x": -0.20030527807571613, "z": -0.6856251725306349, "y": 1.2697267415202358 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 2 ] }, "4": { [ toneLabel ]: 17, [ positionLabel ]: { "x": 0.2775516451627562, "z": -0.5157773829446608, "y": 1.3804880182088852 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 5 ] }, "5": { [ toneLabel ]: 19, [ positionLabel ]: { "x": 0.6683914801829096, "z": -0.4130372477082535, "y": 1.5804880182088852 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 4 ] }, "6": { [ toneLabel ]: 16, [ positionLabel ]: { "x": 0.6406669137194841, "z": 0.14622804231414932, "y": 1.5521284395792219 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 7 ] }, "7": { [ toneLabel ]: 18, [ positionLabel ]: { "x": 0.6283301758541369, "z": 0.5830052038036452, "y": 1.7521284395792218 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 6 ] }, "8": { [ toneLabel ]: 15, [ positionLabel ]: { "x": 0.03268723354108966, "z": 0.7278378056229577, "y": 1.4375443946415316 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 9 ] }, "9": { [ toneLabel ]: 17, [ positionLabel ]: { "x": -0.42773941827558637, "z": 0.8241868040756578, "y": 1.6375443946415316 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 8 ] }, "10": { [ toneLabel ]: 14, [ positionLabel ]: { "x": -0.7608452130361227, "z": 0.24721359549995825, "y": 1.3097886967409693 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 11 ] }, "11": { [ toneLabel ]: 16, [ positionLabel ]: { "x": -0.9781476007338058, "z": -0.2079116908177584, "y": 1.5097886967409693 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 10 ] }, "12": { [ toneLabel ]: 13, [ positionLabel ]: { "x": -0.48006736955111823, "z": -0.7272709782428493, "y": 1.461249175138151 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 13 ] }, "13": { [ toneLabel ]: 15, [ positionLabel ]: { "x": -0.06407587922682341, "z": -1.0695108533225732, "y": 1.6612491751381508 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 12 ] }, "14": { [ toneLabel ]: 12, [ positionLabel ]: { "x": 0.6203422273145859, "z": -0.7100388108034049, "y": 1.7744448880450852 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 15 ] }, "15": { [ toneLabel ]: 14, [ positionLabel ]: { "x": 1.0815170100561873, "z": -0.36938246566224114, "y": 1.9744448880450851 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 14 ] }, "16": { [ toneLabel ]: 11, [ positionLabel ]: { "x": 0.9138398517295967, "z": 0.4400820782478085, "y": 1.8944794878661984 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 17 ] }, "17": { [ toneLabel ]: 13, [ positionLabel ]: { "x": 0.6840314990772564, "z": 1.0032899402408502, "y": 2.0944794878661983 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 16 ] }, "18": { [ toneLabel ]: 10, [ positionLabel ]: { "x": -0.19386177149566014, "z": 1.0682664104785127, "y": 1.7500029067545588 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 19 ] }, "19": { [ toneLabel ]: 12, [ positionLabel ]: { "x": -0.8313423444203109, "z": 0.9807808781086307, "y": 1.9500029067545588 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 18 ] }, "20": { [ toneLabel ]: 9, [ positionLabel ]: { "x": -1.1524845401944908, "z": 0.10372548601683089, "y": 1.6579479983438095 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 21 ] }, "21": { [ toneLabel ]: 11, [ positionLabel ]: { "x": -1.2314153711992457, "z": -0.5704848098486944, "y": 1.8579479983438094 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 20 ] }, "22": { [ toneLabel ]: 8, [ positionLabel ]: { "x": -0.4316890695856524, "z": -1.1502314125002475, "y": 1.8582964637551596 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 23 ] }, "23": { [ toneLabel ]: 10, [ positionLabel ]: { "x": 0.2340255877359067, "z": -1.4092722770336028, "y": 2.0582964637551595 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 22 ] }, "24": { [ toneLabel ]: 7, [ positionLabel ]: { "x": 1.051722092687431, "z": -0.7641208279802159, "y": 2.1618033988749894 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 25 ] }, "25": { [ toneLabel ]: 9, [ positionLabel ]: { "x": 1.4917828430524098, "z": -0.15679269490148218, "y": 2.3618033988749896 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 24 ] } } ================================================ FILE: backend/src/spheres/trees/4.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import serverMessageConstants from '../../messages/message-constants'; const serverMsgComponents = serverMessageConstants.OUTGOING_MESSAGE_COMPONENTS.ROOM_STATUS_INFO; const toneLabel = serverMsgComponents.TONE; const positionLabel = serverMsgComponents.POSITION; const meristemLabel = serverMsgComponents.MERISTEM; const connectionsLabel = serverMsgComponents.CONNECTIONS; module.exports = { "0": { [ toneLabel ]: 7, [ positionLabel ]: { "x": 0.75, "z": 0, "y": 1 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 1 ] }, "1": { [ toneLabel ]: 9, [ positionLabel ]: { "x": 0.9310632489491795, "z": 0.18873586425530814, "y": 1.25 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 0 ] }, "2": { [ toneLabel ]: 8, [ positionLabel ]: { "x": 0.21822143065055674, "z": 0.2736410188638104, "y": 1.1428571428571428 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 3 ] }, "3": { [ toneLabel ]: 12, [ positionLabel ]: { "x": 0.384135321897057, "z": 0.3936242554404447, "y": 1.4928571428571429 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 2 ] }, "4": { [ toneLabel ]: 9, [ positionLabel ]: { "x": -0.16689070046723575, "z": 0.7311959341363677, "y": 1.2857142857142856 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 5 ] }, "5": { [ toneLabel ]: 11, [ positionLabel ]: { "x": -0.3911849258208314, "z": 0.8657218686221058, "y": 1.5357142857142856 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 4 ] }, "6": { [ toneLabel ]: 11, [ positionLabel ]: { "x": -0.6757266509268144, "z": -0.3254128043381685, "y": 1.5714285714285714 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 7 ] }, "7": { [ toneLabel ]: 15, [ positionLabel ]: { "x": -0.8927946788297243, "z": -0.32468086092858855, "y": 1.9214285714285713 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 6 ] }, "8": { [ toneLabel ]: 12, [ positionLabel ]: { "x": -0.0778823268847101, "z": -0.34122476926363826, "y": 1.7142857142857144 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 9 ] }, "9": { [ toneLabel ]: 14, [ positionLabel ]: { "x": -0.01341837989470709, "z": -0.5498362911640168, "y": 1.9642857142857144 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 8 ] }, "10": { [ toneLabel ]: 14, [ positionLabel ]: { "x": 0.35, "z": -8.572527594031472e-17, "y": 2 }, [ meristemLabel ]: true, [ connectionsLabel ]: [] } } ================================================ FILE: backend/src/spheres/trees/5.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import serverMessageConstants from '../../messages/message-constants'; const serverMsgComponents = serverMessageConstants.OUTGOING_MESSAGE_COMPONENTS.ROOM_STATUS_INFO; const toneLabel = serverMsgComponents.TONE; const positionLabel = serverMsgComponents.POSITION; const meristemLabel = serverMsgComponents.MERISTEM; const connectionsLabel = serverMsgComponents.CONNECTIONS; module.exports = { "0": { [ toneLabel ]: 7, [ positionLabel ]: { "x": 0.5, "z": 0, "y": 1.3 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 1 ] }, "1": { [ toneLabel ]: 5, [ positionLabel ]: { "x": 0.8955037487502232, "z": 0.08985007498214534, "y": 1.4000000000000001 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 0 ] }, "2": { [ toneLabel ]: 8, [ positionLabel ]: { "x": 0.11126046697815722, "z": 0.4874639560909118, "y": 1.3357142857142859 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 3 ] }, "3": { [ toneLabel ]: 6, [ positionLabel ]: { "x": 0.1116709845215571, "z": 0.8930451227211232, "y": 1.435714285714286 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 2 ] }, "4": { [ toneLabel ]: 9, [ positionLabel ]: { "x": -0.4504844339512095, "z": 0.21694186955877912, "y": 1.3714285714285714 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 5 ] }, "5": { [ toneLabel ]: 7, [ positionLabel ]: { "x": -0.8458054852071072, "z": 0.3075923945639262, "y": 1.4714285714285715 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 4 ] }, "6": { [ toneLabel ]: 10, [ positionLabel ]: { "x": -0.31174490092936685, "z": -0.39091574123401485, "y": 1.4071428571428573 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 7 ] }, "7": { [ toneLabel ]: 8, [ positionLabel ]: { "x": -0.4880898375488758, "z": -0.756153628888675, "y": 1.5071428571428573 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 6 ] }, "8": { [ toneLabel ]: 11, [ positionLabel ]: { "x": 0.3117449009293667, "z": -0.39091574123401496, "y": 1.4428571428571428 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 9 ] }, "9": { [ toneLabel ]: 9, [ positionLabel ]: { "x": 0.6285850721951838, "z": -0.6441124179934553, "y": 1.542857142857143 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 8 ] }, "10": { [ toneLabel ]: 12, [ positionLabel ]: { "x": 0.45048443395120963, "z": 0.21694186955877895, "y": 1.4785714285714286 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 11 ] }, "11": { [ toneLabel ]: 10, [ positionLabel ]: { "x": 0.7678365122206151, "z": 0.46949663523914764, "y": 1.5785714285714287 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 10 ] }, "12": { [ toneLabel ]: 13, [ positionLabel ]: { "x": -0.11126046697815704, "z": 0.48746395609091187, "y": 1.5142857142857142 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 13 ] }, "13": { [ toneLabel ]: 11, [ positionLabel ]: { "x": -0.2868656765450031, "z": 0.8530580775189798, "y": 1.6142857142857143 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 12 ] }, "14": { [ toneLabel ]: 14, [ positionLabel ]: { "x": -0.5, "z": 1.8369701987210297e-16, "y": 1.55 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 15 ] }, "15": { [ toneLabel ]: 12, [ positionLabel ]: { "x": -0.8955037487502232, "z": -0.08985007498214469, "y": 1.6500000000000001 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 14 ] }, "16": { [ toneLabel ]: 15, [ positionLabel ]: { "x": -0.1112604669781574, "z": -0.48746395609091175, "y": 1.5857142857142859 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 17 ] }, "17": { [ toneLabel ]: 13, [ positionLabel ]: { "x": -0.11167098452155783, "z": -0.8930451227211231, "y": 1.685714285714286 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 16 ] }, "18": { [ toneLabel ]: 16, [ positionLabel ]: { "x": 0.45048443395120946, "z": -0.21694186955877928, "y": 1.6214285714285714 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 19 ] }, "19": { [ toneLabel ]: 14, [ positionLabel ]: { "x": 0.8458054852071069, "z": -0.3075923945639269, "y": 1.7214285714285715 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 18 ] }, "20": { [ toneLabel ]: 17, [ positionLabel ]: { "x": 0.31174490092936696, "z": 0.39091574123401474, "y": 1.6571428571428573 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 21 ] }, "21": { [ toneLabel ]: 15, [ positionLabel ]: { "x": 0.4880898375488761, "z": 0.7561536288886749, "y": 1.7571428571428573 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 20 ] }, "22": { [ toneLabel ]: 18, [ positionLabel ]: { "x": -0.31174490092936585, "z": 0.3909157412340156, "y": 1.6928571428571428 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 23 ] }, "23": { [ toneLabel ]: 16, [ positionLabel ]: { "x": -0.6285850721951823, "z": 0.6441124179934566, "y": 1.792857142857143 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 22 ] }, "24": { [ toneLabel ]: 19, [ positionLabel ]: { "x": -0.4504844339512097, "z": -0.21694186955877878, "y": 1.7285714285714286 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 25 ] }, "25": { [ toneLabel ]: 17, [ positionLabel ]: { "x": -0.7678365122206144, "z": -0.4694966352391487, "y": 1.8285714285714287 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 24 ] }, "26": { [ toneLabel ]: 20, [ positionLabel ]: { "x": 0.11126046697815686, "z": -0.48746395609091187, "y": 1.7642857142857142 }, [ meristemLabel ]: true, [ connectionsLabel ]: [ 27 ] }, "27": { [ toneLabel ]: 18, [ positionLabel ]: { "x": 0.2868656765450043, "z": -0.8530580775189793, "y": 1.8642857142857143 }, [ meristemLabel ]: false, [ connectionsLabel ]: [ 26 ] } } ================================================ FILE: backend/src/store.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { createStore, applyMiddleware, combineReducers } from 'redux'; import createSagaMiddleware from 'redux-saga'; import { logger } from './logger'; import { messageSagas } from './messages'; import { roomSagas } from './rooms'; import { roomDataReducer, roomStateReducer } from './rooms'; import { serverConstants, serverReducer, serverSagas } from './server'; let store = ( () => { let sagaErrorTrap = ( error ) => { logger.error( `sagaMiddleware trapped uncaught error, exiting - error was '${error.message}'` ); process.exit( serverConstants.ERROR_TYPES.BAD_OS_EXIT_ERROR_CODE ); }; let sagaMiddleware = createSagaMiddleware({ onError: sagaErrorTrap }); let reducers = { roomDataReducer, roomStateReducer, serverReducer }; let rootReducer = combineReducers( reducers ); let allMiddleware = applyMiddleware( sagaMiddleware ); let store = createStore( rootReducer, {}, allMiddleware ); // see https://github.com/yelouafi/redux-saga/blob/master/examples/real-world/store/configureStore.prod.js store.runSaga = ( saga ) => { sagaMiddleware.run( saga ); }; // when two sagas listen for the same action, they're run in this order let sagaListsToRun = [ messageSagas, serverSagas, roomSagas ]; sagaListsToRun.forEach( ( sagaList ) => { // run each named saga exported from this saga list Object.keys( sagaList ).forEach( ( sagaName ) => { store.runSaga( sagaList[ sagaName ] ); } ); } ); return store; })(); const getStoreState = store.getState; const dispatchStoreAction = store.dispatch; export { dispatchStoreAction, getStoreState }; ================================================ FILE: backend/src/utils/index.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import reducerUtils from './reducer-utils'; import sagaUtils from './saga-utils'; import stringUtils from './string-utils'; import urlUtils from './url-utils'; export { reducerUtils, sagaUtils, stringUtils, urlUtils }; ================================================ FILE: backend/src/utils/reducer-utils.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import sizeof from 'object-sizeof'; import { handleActions } from 'redux-actions'; const initStateObject = ( roomNames, createFunction, objectLabel, logger ) => { let obj = {}; let start = Date.now(); roomNames.forEach( ( name ) => { obj[ name ] = createFunction(); } ); let finish = Date.now(); let millis = finish - start; let seconds = millis / 1000; let sizeofBytesUsed = sizeof( obj ); let sizeofKbytesUsed = Math.round( sizeofBytesUsed / 1024 ); let sizeofMbytesUsed = sizeofBytesUsed / 1024 / 1024; logger.trace( `initialised ${Object.keys( obj ).length} ${objectLabel} ` + `using ~${sizeofKbytesUsed}KiB ` + `(${sizeofMbytesUsed.toFixed( 2 )}MiB) ` + `in ${seconds} seconds` ); return obj; }; // redux-ignore higher order reducer // adapted from https://github.com/omnidan/redux-ignore const filterActions = ( () => { return function ( reducer ) { var actions = arguments.length <= 1 || arguments[ 1 ] === undefined ? [] : arguments[ 1 ]; var isInList = ( action ) => { return actions.indexOf( action.type ) >= 0; }; var initialState = reducer( undefined, {} ); return function () { var state = arguments.length <= 0 || arguments[ 0 ] === undefined ? initialState : arguments[ 0 ]; var action = arguments[ 1 ]; if ( !isInList( action ) ) { return state; } return reducer( state, action ); }; }; })(); const createFilteredActionHandler = ( actionHandlers, initialState ) => { let actionHandlerNames = Object.keys( actionHandlers ); const actionHandler = filterActions( handleActions( actionHandlers, initialState ), actionHandlerNames ); return actionHandler; } export { initStateObject, filterActions, createFilteredActionHandler }; ================================================ FILE: backend/src/utils/saga-utils.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { call, put, spawn } from 'redux-saga/effects'; import { logger } from '../logger'; /* * https://github.com/redux-saga/redux-saga/pull/644#issuecomment-272236599 * * "Use spawn to start sagas so that an uncaught exception doesn't terminate all of them. * Restart a saga on an asynchronous exception. Terminate it on a sync exception." */ const spawnAutoRestartingSagas = function* ( sagas ) { yield sagas.map( ( saga ) => { let restarter = function* () { let isSyncError = false; let previouslyStarted = false; while (!isSyncError) { isSyncError = true; try { setTimeout( () => { isSyncError = false; } ); if( previouslyStarted ) { logger.info( `restarting crashed saga '${saga.name}'` ); } previouslyStarted = true; yield call( saga ); break; } catch ( error ) { if ( isSyncError ) { throw new Error( `saga '${saga.name}' was terminated because it threw an exception on startup.` ); } logger.error( `uncaught error in saga '${saga.name}': ${error.message}` ); } } } return spawn( restarter ); }) }; export default { spawnAutoRestartingSagas }; ================================================ FILE: backend/src/utils/string-utils.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const formatStringAsGcpResourceName = ( str ) => { let charPattern = /[^A-Za-z0-9-]/gi; let dashPattern = /-{2,}/gi; return str.replace(charPattern, "-").replace(dashPattern, ""); }; export { formatStringAsGcpResourceName }; ================================================ FILE: backend/src/utils/url-utils.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import messageConstants from '../messages/message-constants'; const headsetTypes = Object.values( messageConstants.HEADSET_TYPES ); const getClientInfoFromUrl = ( url ) => { let info = url.split( '/' ); info.shift(); if( info.length === 1 && info[ 0 ] === '' ) { throw new Error( `bad URL: ${url}` ); } if( info.length > 2 ) { throw new Error( `bad URL: ${url}` ); } let clientHeadsetType = info[ 0 ]; if( headsetTypes.indexOf( clientHeadsetType ) < 0 ) { throw new Error( `bad headset type: ${clientHeadsetType}` ); } let roomName = info.length > 1 ? info[ 1 ] : undefined; if( typeof roomName !== 'undefined' && roomName.length !== 4 ) { throw new Error( `bad room name: ${roomName}` ); } return { clientHeadsetType, roomName }; }; export default { getClientInfoFromUrl }; ================================================ FILE: backend/src/utils/websocket-utils.js ================================================ /* * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import WebSocket from 'uws'; import { serialize } from '../s11n'; import messageConstants from '../messages/message-constants'; const incomingMsgComponents = messageConstants.INCOMING_MESSAGE_COMPONENTS; const outgoingMsgComponents = messageConstants.OUTGOING_MESSAGE_COMPONENTS; const makeWsReplyMessage = ( from, type, data ) => { return { [ outgoingMsgComponents.ALL_MESSAGES.FROM ]: from, [ outgoingMsgComponents.ALL_MESSAGES.MSG ]: { [ incomingMsgComponents.ALL_MESSAGES.TYPE ]: type, [ incomingMsgComponents.ALL_MESSAGES.DATA ]: data } }; }; const makeWsBroadcastMessage = ( from, type, data ) => { return { [ outgoingMsgComponents.ALL_MESSAGES.TYPE ]: type, [ outgoingMsgComponents.ALL_MESSAGES.FROM ]: from, [ outgoingMsgComponents.ALL_MESSAGES.MSG ]: { [ incomingMsgComponents.ALL_MESSAGES.TYPE ]: type, [ incomingMsgComponents.ALL_MESSAGES.DATA ]: data } }; }; const ackWsSendWithId = ( error, wsId ) => { if( !error ) { return; } }; const sendWsMessageWithLogger = ( ws, msgObj, logger ) => { if( ws.readyState !== WebSocket.OPEN ) { return; } let msg = serialize( msgObj ); // wrap the ack function so we can log the WS id if it errors let ackWsSend = ( ackError ) => { try { ackWsSendWithId( ackError, ws.id ); } // handle this error because otherwise it's stuck in the callback catch( error ) { logger.trace( error.message, msg ); } }; try { ws.send( msg, ackWsSend ); } catch( error ) { logger.trace( `websocket error trying to send message to client id ${ws.id}: ${error.message}` ); throw( error ); } }; const sendWsErrorWithLogger = ( serverId, ws, errType, errMsg ) => { let msgObj = { from: serverId, msg: { type: 'error', data: { errType, detail: errMsg } } }; sendWsMessageWithLogger( ws, msgObj, logger ); }; export { makeWsReplyMessage, makeWsBroadcastMessage, sendWsMessageWithLogger, sendWsErrorWithLogger }; ================================================ FILE: config.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // Note, this file is only used on local development. // Running it under appengine, the config.template is used instead var CONFIG = {}; CONFIG.DEFAULT_REGION= "us"; CONFIG.SERVERS = {"us": ""}; ================================================ FILE: config.template ================================================ var CONFIG = {} CONFIG.DEFAULT_REGION = "{{default_region}}"; CONFIG.SERVERS = { {% for server in servers %} "{{server.name}}":"{{server.hostname}}", {% endfor %} }; ================================================ FILE: index.html ================================================ The Musical Forest
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The Musical Forest

Join users from around the world in a musical forest. Tap or click a shape to play it. If you're using a headset like the HTC VIVE, you can add shapes too. This experiment demonstrates cross-device co-presence in VR, allowing anyone to join in, no matter what device they're using.

Technologies used: AFrame, Three.js, Tone.js, Node.js, PubSub

Made by Google Creative Lab. Check out other WebVR Experiments here and check out the open-source code on GitHub.

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================================================ FILE: js/ascene.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. let aframeContent = ` `; let div = document.createElement("div"); div.innerHTML = aframeContent; document.body.appendChild(div); ================================================ FILE: js/components/background-objects.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { BgTreeColors, ShadowColor } from '../core/colors'; const DEG2RAD = Math.PI / 180; const HALFPI = Math.PI / 2; const VECTOR_ZERO = new THREE.Vector3( 0, 0, 0 ); const SHADOW_X_AXIS = new THREE.Vector3( 1, 0, 0 ); const SHADOW_Z_AXIS = new THREE.Vector3( 0, 1, 0 ); const SHADOW_LENGTH = 20; const SHADOW_GEOMETRY = new THREE.PlaneGeometry( 0.25, 1 ); const SHADOW_MATERIAL = new THREE.MeshBasicMaterial({ color: ShadowColor, side: THREE.DoubleSide }); AFRAME.registerComponent( 'background-objects', { nLoaded: 0, init: function() { this.treeObjs = [ 'bg-tree-1', 'bg-tree-2', 'bg-tree-3' ]; this.treeGeometry = []; let objLoader = new THREE.OBJLoader(); if ( !AFRAME.utils.device.isMobile() ) { this.treeObjs.forEach( function( obj ) { objLoader.load( '/static/models/' + obj + '.obj', this.checkLoadComplete.bind( this ) ); }, this ); } }, checkLoadComplete: function( objModel ) { this.treeGeometry.push( objModel.children[ 0 ].geometry ); if ( ++this.nLoaded >= this.treeObjs.length ) { this.generateTrees(); } }, generateTrees: function() { let total = AFRAME.utils.device.isMobile() ? 20 : 200; let theta, x, z, mesh, shadow; let treeDistance, treeColor, treeIndex, randomSeed; let perimeter = 8; let materials = [ new THREE.MeshBasicMaterial( { color: new THREE.Color( BgTreeColors[ 0 ] ), side: THREE.DoubleSide } ), new THREE.MeshBasicMaterial( { color: new THREE.Color( BgTreeColors[ 1 ] ), side: THREE.DoubleSide } ), new THREE.MeshBasicMaterial( { color: new THREE.Color( BgTreeColors[ 2 ] ), side: THREE.DoubleSide } ) ]; for ( let i = 0; i < total; i++ ) { theta = DEG2RAD * (i / total) * 360; randomSeed = Math.random(); treeDistance = randomSeed * 18 + perimeter; treeColor = Math.floor( randomSeed * 3 ); treeIndex = Math.floor( i % 3 ); x = Math.cos( theta ) * treeDistance; z = Math.sin( theta ) * treeDistance; // Create and position tree mesh = new THREE.Mesh( this.treeGeometry[ treeIndex ], materials[ treeColor ] ); mesh.position.set( x, 0, z ); mesh.scale.set( 1, 3 + Math.random(), 1 ); mesh.scale.multiplyScalar( 0.0002 ); mesh.lookAt( VECTOR_ZERO ); mesh.rotation.y += HALFPI; mesh.rotation.y += ( Math.random() - 0.5 ) * 0.05; mesh.position.setY( Math.random() * -2 ); // Create and position tree shadow shadow = new THREE.Mesh( SHADOW_GEOMETRY, SHADOW_MATERIAL ); shadow.position.set( x, 0, z ); shadow.lookAt( VECTOR_ZERO ); shadow.rotation.order = 'ZYX'; shadow.rotation.x += HALFPI; shadow.scale.setY( SHADOW_LENGTH ); shadow.translateOnAxis( SHADOW_Z_AXIS, -SHADOW_LENGTH / 2 ); this.el.object3D.add( mesh ); this.el.object3D.add( shadow ); } } }); ================================================ FILE: js/components/ball.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { Note } from '../notes/note'; AFRAME.registerComponent( 'ball', { grow: null, shrink: null, has3dContext: false, schema: { radius: { default: 0.1 }, grabbed: { type: 'boolean', default: false }, hand: { default: 'rightHand' }, // the node that connects to the trunk where other balls grow from meristem: { default: false, type: 'boolean' }, meristemNode: { default: null }, }, init: function() { this.el.addEventListener( 'componentchanged', event => { this.update(); if ( event.detail.name === 'tone' ) { this.updateTone(); } }, false); // the hit animiation this.el.addEventListener( 'hit', event => this.hit( event ) ); this.el.addEventListener( 'highlight', event => this.highlight( event ) ); this.el.addEventListener( 'unHighlight', event => this.unHighlight( event ) ); }, play: function() { this.createShape(); this.updateTone(); document.dispatchEvent( new CustomEvent("BALL_CREATED", { detail: { id: this.el.id, el: this.el, grab: true, hand: this.data.hand } })); // takes a refresh to register the 3d context setTimeout( () => { this.has3dContext = true; }, 0 ); }, createShape: function() { this.note = new Note( this.el.sceneEl.components.palette ); this.note.lightPosition = this.el.sceneEl.components["fake-light"].getLightPosition(); this.note.setTone( this.el.getAttribute( 'tone' ) ); /* * can't replace root mesh of node * due to tight coupling of gaze.js & raycaster * added note as child instead. */ // this.el.setObject3D("mesh", this.note.group) this.el.object3D.add(this.note.group); }, tick: function( t, dt ) { this.note.tick(); }, updateTone: function() { this.note.setTone( this.el.getAttribute( 'tone' ) ); // this.animateTexture(0.5, 0, null); }, hit: function( event ) { this.note.hit( event ); }, highlight: function( event ) { this.note.highlight( event ); }, unHighlight: function( event ) { this.note.unHighlight( event ); } }); ================================================ FILE: js/components/bg-tree-ring-material.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { EnvColors, BgTreeColors } from '../core/colors'; AFRAME.registerComponent( 'bg-tree-ring-material', { schema: { type: 'int', default: 0 }, init: function() { let objLoader = new THREE.OBJLoader(); if ( AFRAME.utils.device.isMobile() ) { objLoader.load( '/static/models/bg-tree-ring.obj', this.onLoaded.bind( this ) ); } }, onLoaded: function( object ) { let mesh = object.children[ 0 ]; let tex = new THREE.Texture( document.getElementById( 'bg-tree-tex' ) ); tex.needsUpdate = true; tex.minFilter = tex.magFilter = THREE.NearestFilter; let shader = THREE.BGTreeShader; let uniforms = THREE.UniformsUtils.clone( shader.uniforms ); uniforms.map.value = tex; uniforms.color.value = new THREE.Color( BgTreeColors[ this.data ] ); uniforms.fogColor.value = new THREE.Color ( EnvColors.fog ); uniforms.fogDensity.value = 0.065; mesh.material = new THREE.ShaderMaterial( { uniforms: uniforms, vertexShader: shader.vertexShader, fragmentShader: shader.fragmentShader, side: THREE.DoubleSide } ); this.el.setObject3D( 'mesh', mesh ); } }); ================================================ FILE: js/components/clicker.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. AFRAME.registerComponent( 'clicker', { raycaster: null, mouse: null, canvas: null, camera: null, intersected: null, teleporter:null, schema: { // radius: { default: 0.1 }, }, init: function() { document.addEventListener("INTRO_COMPLETED", () => { // creates references this.raycaster = new THREE.Raycaster(); this.mouse = new THREE.Vector2(); this.canvas = this.el.sceneEl.canvas; this.camera = this.getCameraFromEntity(document.querySelector("a-entity[camera]")); this.teleporter = document.querySelector("#gaze-floor").components.teleport; // on click // get all balls // filter out the ones out of range // do a check for mouse position // unproject ray to mouse with vector z = -1 // get ray intersects // if intersect length > 1 & if intersect is same as mousedown, hit document.addEventListener("touchstart", (event) => {}); document.addEventListener("touchend", (event) => {}); document.addEventListener("mousedown", (event) => { let entity = this.getIntersectObject({x:event.clientX, y:event.clientY}); if( !entity ) { return; } this.intersected = entity; }); document.addEventListener("mouseup", (event) => { let entity = this.getIntersectObject({x:event.clientX, y:event.clientY}); if( !entity ) { return; } if(this.intersected === entity){ entity.emit("controllerhit", {velocity:0.5}); } this.intersected = null; event.wasSphereHit = true; }); }); }, play: function() { }, pause: function() { }, getIntersectObject: function(intersect) { this.mouse.x = ( intersect.x / document.body.clientWidth ) * 2 - 1; this.mouse.y = - ( intersect.y / document.body.clientHeight ) * 2 + 1; this.raycaster.setFromCamera( this.mouse, this.camera ); let selectables = tree.getElementsByClassName("selectable"); let balls = []; for(let i=0; i 0 ) { return intersects[0].object.parent.parent.el; } else { return null; } }, getCameraFromEntity: function(camera) { for(let i=0; i { this.onUpdated(); }, false); document.addEventListener("SPHERE_TEXTURE_LOADED", (event) => { this.update(); }); }, onLoaded: function() { let mesh = this.el.components["collada-model"].model.children[ 0 ].children[ 0 ]; mesh.material = new THREE.MultiMaterial([ new THREE.MeshBasicMaterial( { color: HeadsetColor } ), new THREE.MeshBasicMaterial( { color: this.data.bandColor } ) ]); this.isLoaded = true; this.onUpdated(); }, update: function( oldData ) { if ( !this.isLoaded) { return; } let mesh = this.el.components["collada-model"].model.children[ 0 ].children[ 0 ]; mesh.material = new THREE.MultiMaterial([ new THREE.MeshBasicMaterial( { color: HeadsetColor } ), new THREE.MeshBasicMaterial( { color: this.data.bandColor } ) ]); }, getColor: function() { return new THREE.Color( this.el.sceneEl.components.palette.controllerColors()[0] ); }, onUpdated: function() { if(!this.isLoaded) { return; } let mesh = this.el.components["collada-model"].model.children[ 0 ].children[ 0 ]; let transparent = (this.data.opacity<1) ? true : false; mesh.material.materials[0].transparent = transparent; mesh.material.materials[1].transparent = transparent; mesh.material.materials[0].opacity = this.data.opacity; mesh.material.materials[1].opacity = this.data.opacity; }, }); ================================================ FILE: js/components/controllers.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. const getComponentProperty = AFRAME.utils.entity.getComponentProperty; const setComponentProperty = AFRAME.utils.entity.setComponentProperty; AFRAME.registerSystem('controllers', { controllerExists:false, schema: { }, init: function() { document.addEventListener("INTRO_COMPLETED", (event) => { let timeout; let loopCount = 0; let loopFunction = () => { if (loopCount > 240 ) { } else if(this.controllerExists){ } else { timeout = setTimeout(() => { loopCount++; this.testForController(); loopFunction(); }, 1000); } }; loopFunction(); }, false); }, getGamePad: function() { let vrGamepad = null; if (!navigator.getGamepads) { return vrGamepad; } let gamepads = navigator.getGamepads(); for (let i = 0; i < gamepads.length; ++i) { let gamepad = gamepads[i]; if (gamepad) { return gamepad; } } return null; }, testForController: function() { let vrGamepad = this.getGamePad(); if (!vrGamepad) { return; } let player; let controller; let rightHand; let leftHand; switch(vrGamepad.id){ case "Daydream Controller": player = document.querySelector('#player'); controller = this.createDayDreamCoprescenceController("rightHand", "right"); player.appendChild(controller); this.createDayDreamManager(); break; case "OpenVR Gamepad": player = document.querySelector('#player'); rightHand = this.createViveController("rightHand", "right"); player.appendChild(rightHand); leftHand = this.createViveController("leftHand", "left"); player.appendChild(leftHand); break; case "Oculus Touch (Left)": case "Oculus Touch (Right)": player = document.querySelector('#player'); rightHand = this.createOcculusController("rightHand", "right"); player.appendChild(rightHand); leftHand = this.createOcculusController("leftHand", "left"); player.appendChild(leftHand); break; default: player = document.querySelector('#player'); rightHand = this.createOcculusController("rightHand", "right"); player.appendChild(rightHand); leftHand = this.createOcculusController("leftHand", "left"); player.appendChild(leftHand); break; } let triggerEvent = new CustomEvent("CONTROLLER_CREATED", { "detail": { "id": vrGamepad.id } }); document.dispatchEvent(triggerEvent); this.controllerExists = true; }, createViveController: function(id, hand) { let controller = document.createElement('a-entity'); controller.id = id; if(this.sceneEl.components.palette && this.sceneEl.components.palette.controllerColors()) { let color = this.sceneEl.components.palette.controllerColors()[1]; controller.setAttribute("vive-controls", "hand:" + hand + "; model:false"); this.load6DofControllerParams(controller, hand, color); } else { document.addEventListener("SPHERE_TEXTURE_LOADED", (event) => { let color = this.sceneEl.components.palette.controllerColors()[1]; controller.setAttribute("vive-controls", "hand:" + hand + "; model:false"); this.load6DofControllerParams(controller, hand, color); }); } return controller; }, load6DofControllerParams: (entity, hand, color) => { entity.setAttribute("mixin", "avatar-hand"); entity.setAttribute("grab-move", ""); entity.setAttribute("tool-tips", "hand:"+hand+";"); entity.setAttribute("haptics", "hand:"+ hand ); entity.setAttribute("touch-color", ""); entity.setAttribute("controller-material", "bandColor:"+color+";"); entity.setAttribute("copresence", "components: mixin, position, rotation; decimals:3; playerpart:"+hand); }, createOcculusController: function(id, hand) { let controller = document.createElement('a-entity'); controller.id = id; if(this.sceneEl.components.palette && this.sceneEl.components.palette.controllerColors()) { let color = this.sceneEl.components.palette.controllerColors()[1]; controller.setAttribute("oculus-touch-controls", "hand:" + hand + "; model:false"); this.load6DofControllerParams(controller, hand, color); } else { document.addEventListener("SPHERE_TEXTURE_LOADED", (event) => { let color = this.sceneEl.components.palette.controllerColors()[1]; controller.setAttribute("oculus-touch-controls", "hand:" + hand + "; model:false"); this.load6DofControllerParams(controller, hand, color); }); } return controller; }, /* * Proxy controller. used for copresence */ createDayDreamCoprescenceController: function(id, hand) { let controller = document.createElement('a-entity'); controller.id = id; controller.setAttribute("position", "0 0 0"); controller.setAttribute("copresence", "components: mixin, position, rotation; decimals:3; playerpart:"+hand); return controller; }, createDayDreamManager: function() { let player = document.querySelector('#player'); let avatar = document.querySelector('#avatar'); let avatarPosition = getComponentProperty(avatar, "position"); let manager = document.createElement('a-entity'); manager.id = "daydream"; manager.setAttribute("daydream-manager", "headset: #avatar; proxy: #rightHand; controller: #controller;"); manager.setAttribute("position", avatarPosition.x + " 0.0 " + avatarPosition.z); this.sceneEl.appendChild(manager); let controller = document.createElement('a-entity'); controller.id = "controller"; controller.setAttribute("daydream-controller", ""); controller.setAttribute("position", "0 0.1 0"); controller.setAttribute("daydream-pointer", ""); controller.setAttribute("mixin", "avatar-hand"); if(this.sceneEl.components.palette && this.sceneEl.components.palette.controllerColors()) { let color = this.sceneEl.components.palette.controllerColors()[1]; controller.setAttribute("controller-material", "bandColor:"+color+";"); } else { document.addEventListener("SPHERE_TEXTURE_LOADED", (event) => { let color = this.sceneEl.components.palette.controllerColors()[1]; controller.setAttribute("controller-material", "bandColor:"+color+";"); }); } manager.appendChild(controller); }, doesControllerExists: function() { return this.controllerExists; } }); ================================================ FILE: js/components/copresence-server-messages.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import messageConstants from '../../backend/src/messages/message-constants'; const clientMsgTypes = messageConstants.INCOMING_MESSAGE_TYPES; const clientMsgComponents = messageConstants.INCOMING_MESSAGE_COMPONENTS; const serverMsgComponents = messageConstants.OUTGOING_MESSAGE_COMPONENTS; class Message { constructor(type){ this.data = {}; this.type = type; } serialize(){ let msg = JSON.stringify({ [ clientMsgComponents.ALL_MESSAGES.TYPE ]: this.type, [ clientMsgComponents.ALL_MESSAGES.DATA ]: this.data }); return msg; } } export class ExitRoom extends Message { constructor(){ super( clientMsgTypes.EXIT_ROOM ); } } export class RoomClientPositionUpdate extends Message { constructor(playerData, spheresData){ super( clientMsgTypes.UPDATE_CLIENT_COORDS ); const clientParts = clientMsgComponents.UPDATE_CLIENT_COORDS; const coordParts = clientMsgComponents.REF_COORDINATE_SET; this.data[clientParts.HEAD] = {}; this.data[clientParts.LEFT] = {}; this.data[clientParts.RIGHT] = {}; this.data[clientParts.HEAD][coordParts.POSITION] = playerData['head']['position']; this.data[clientParts.HEAD][coordParts.ROTATION] = playerData['head']['rotation']; this.data[clientParts.LEFT][coordParts.POSITION] = playerData['left']['position']; this.data[clientParts.LEFT][coordParts.ROTATION] = playerData['left']['rotation']; this.data[clientParts.RIGHT][coordParts.POSITION] = playerData['right']['position']; this.data[clientParts.RIGHT][coordParts.ROTATION] = playerData['right']['rotation']; this.data[clientParts.SPHERES] = [] for(let sphere of spheresData){ let s = {}; s[clientMsgComponents.UPDATE_CLIENT_COORDS.SPHERE_ID] = sphere.id; s[clientMsgComponents.UPDATE_CLIENT_COORDS.SPHERE_POSITION] = sphere.position; this.data[clientParts.SPHERES].push(s) } } } export class SpherePositionUpdate extends Message { constructor(uuid, position){ super( clientMsgTypes.UPDATE_SPHERE_POSITION ); this.data[ clientMsgComponents.UPDATE_SPHERE_POSITION.SPHERE_ID ] = uuid; this.data[ clientMsgComponents.UPDATE_SPHERE_POSITION.POSITION ] = position; } } export class SphereToneUpdate extends Message { constructor(uuid, tone){ super( clientMsgTypes.SET_SPHERE_TONE ); this.data[ clientMsgComponents.SET_SPHERE_TONE.SPHERE_ID ] = uuid; this.data[ clientMsgComponents.SET_SPHERE_TONE.TONE ] = tone; } } export class SphereConnectionUpdate extends Message { constructor(uuid, connections){ super( clientMsgTypes.SET_SPHERE_CONNECTIONS ); this.data[ clientMsgComponents.SET_SPHERE_CONNECTIONS.SPHERE_ID ] = uuid; this.data[ clientMsgComponents.SET_SPHERE_CONNECTIONS.CONNECTIONS ] = connections } } export class GrabSphere extends Message { constructor(uuid){ super( clientMsgTypes.GRAB_SPHERE ); this.data[ clientMsgComponents.GRAB_SPHERE.SPHERE_ID ] = uuid; } } export class ReleaseSphere extends Message { constructor(uuid){ super( clientMsgTypes.RELEASE_SPHERE ); this.data[ clientMsgComponents.RELEASE_SPHERE.SPHERE_ID ] = uuid; } } export class StrikeSphere extends Message { constructor(uuid, velocity=1){ super( clientMsgTypes.STRIKE_SPHERE ); this.data[ clientMsgComponents.STRIKE_SPHERE.SPHERE_ID ] = uuid; this.data[ clientMsgComponents.STRIKE_SPHERE.VELOCITY ] = velocity; } } export class DeleteSphere extends Message { constructor(uuid){ super( clientMsgTypes.DELETE_SPHERE ); this.data[ clientMsgComponents.DELETE_SPHERE.SPHERE_ID ] = uuid; } } export class CreateSphereAtPosition extends Message { constructor(position, tone=1){ super( clientMsgTypes.CREATE_SPHERE_OF_TONE_AT_POSITION ); this.data[ clientMsgComponents.CREATE_SPHERE_OF_TONE_AT_POSITION.POSITION ] = position; this.data[ clientMsgComponents.CREATE_SPHERE_OF_TONE_AT_POSITION.TONE ] = tone; } } ================================================ FILE: js/components/copresence-server.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import serverMessageConstants from '../../backend/src/messages/message-constants'; import { ExitRoom, RoomClientPositionUpdate, CreateSphereAtPosition, DeleteSphere, SpherePositionUpdate, SphereToneUpdate, SphereConnectionUpdate, GrabSphere, ReleaseSphere, StrikeSphere } from './copresence-server-messages'; import _ from 'underscore'; import { getParameterByName, getViewerType, showErrorMessage } from '../util'; const msgTypes = serverMessageConstants.OUTGOING_MESSAGE_TYPES; const errorTypes = serverMessageConstants.ERROR_TYPES; const clientMsgComponents = serverMessageConstants.INCOMING_MESSAGE_COMPONENTS; const serverMsgComponents = serverMessageConstants.OUTGOING_MESSAGE_COMPONENTS; const getComponentProperty = AFRAME.utils.entity.getComponentProperty; const setComponentProperty = AFRAME.utils.entity.setComponentProperty; const stringify = AFRAME.utils.coordinates.stringify; const MESSAGE_THROTTLE_INTERVAL = 200; /// /// ------------------------------- SYSTEM -------------------------------------- /// AFRAME.registerSystem('copresence-server', { // Holds the local players data (head and arm location) playerDataCache: { head: { position: {x:0, y:1.6, z:0}, rotation: {x:0, y:0, z:0}}, left: { position: {x:0.25, y:-10001.3, z:0}, rotation: {x:0, y:0, z:0}}, right: { position: {x:-0.25, y:-10001.3, z:0}, rotation: {x:0, y:0, z:0}}, userdata: {} }, playerDataDirty: true, entities: {}, sphereCache: {}, connected: false, throttledSendMsg: null, schema: { hostname: {type: 'string'}, port: {type: 'number'} }, init: function(){ this.throttledServerUpdate = _.throttle(()=>{ this.sendClientUpdate(); }, MESSAGE_THROTTLE_INTERVAL, {leading:true, trailing:true}); // this.throttledSendMsg = _.throttle((msg)=>{ // this.sendMsg(msg); // }, MESSAGE_THROTTLE_INTERVAL, {leading:true, trailing:true}); }, tick: function(){ // Check if player data has changed if(this.playerDataDirty && this.connected){ this.throttledServerUpdate(); } }, sendClientUpdate: function () { this.playerDataDirty = false; let spheres = []; for(let sphereId in this.sphereCache){ if(this.sphereCache[sphereId].dirty){ this.sphereCache[sphereId].dirty = false; spheres.push({ id: sphereId, position: this.sphereCache[sphereId].position }); } } let playerMsg = new RoomClientPositionUpdate(this.playerDataCache, spheres); this.sendMsg(playerMsg); }, //returns a promise which is resolved when the server connects connectToServer: function(){ if(this.connected) { return; } this.region = CONFIG.DEFAULT_REGION; this.roomname = undefined; if(window.location.hash){ var matches = window.location.hash.match(/#(\w+)-(\w{4})/); if(matches.length >= 3){ this.region = matches[1]; this.roomname = matches[2]; } } // If server doesnt exist, pick another available server if(!CONFIG.SERVERS[this.region]){ this.region = Object.keys(CONFIG.SERVERS)[0]; } let ws_url = [ "wss://",CONFIG.SERVERS[this.region], ":", "443" ].join(''); if(getParameterByName("server")){ ws_url = getParameterByName("server"); } // client type is asynchronous let connectWithClientType = (clientType) => { ws_url = ws_url + '/' + clientType; if(this.roomname){ ws_url = ws_url + '/' + this.roomname; } return new Promise((connected, error) => { // window.UI.connecting(); this.ws = new WebSocket( ws_url ); this.ws.onopen = connected; this.ws.onmessage = (msg) => { let msg_data; try { msg_data = JSON.parse(msg.data); } catch (e) { console.error(e); showErrorMessage("error_shake.gif", "Hmm, something went wrong", "Home"); } if(msg_data) { this.parseWebsocketMessage( msg_data[ clientMsgComponents.ALL_MESSAGES.MSG ], msg_data[ clientMsgComponents.ALL_MESSAGES.FROM ] ); } }; this.ws.onclose = () => { // window.UI.connectionError(); }; this.ws.onerror = (err) =>{ if(this.ws.readyState > 1){ // TODO: Error handling error(err); showErrorMessage("error_shake.gif", "Hmm, something went wrong", "Home"); } }; }); }; getViewerType((clientType) => { connectWithClientType(clientType); }); }, parseWebsocketMessage: function(msg, from){ if(!msg) return; let msgType = msg[ clientMsgComponents.ALL_MESSAGES.TYPE ]; let msgData = msg[ clientMsgComponents.ALL_MESSAGES.DATA ]; switch( msgType ){ // Room case msgTypes.CONNECTION_INFO: this.clientId = msgData[ serverMsgComponents.CONNECTION_INFO.CLIENT_ID ]; this.serverId = msgData[ serverMsgComponents.CONNECTION_INFO.SERVER_ID ]; break; case msgTypes.ROOM_STATUS_INFO: this.handleRoomStatusInfo(msgData); break; case msgTypes.ROOM_EXIT_SUCCESS: break; case msgTypes.ROOM_HEARTBEAT: break; case msgTypes.ROOM_CLIENT_JOIN: if(!this.connected) break; this.handleRemoteJoining(msgData); break; case msgTypes.ROOM_CLIENT_EXIT: if(!this.connected) break; this.handleRemoveEntity(msgData); break; // Remote Clients case msgTypes.ROOM_CLIENT_COORDS_UPDATED: if(!this.connected) break; this.handleUpdatePlayerEntity(from, msgData); if(msgData[ serverMsgComponents.ROOM_CLIENT_COORDS_UPDATED.SPHERES ]){ for(let sphere of msgData[ serverMsgComponents.ROOM_CLIENT_COORDS_UPDATED.SPHERES ]) { this.handleSpherePositionUpdate(sphere); } } break; // Spheres case msgTypes.ROOM_SPHERE_CREATED: if(!this.connected) break; this.handleSphereCreation(msgData, true, msgTypes.ROOM_SPHERE_CREATED); break; case msgTypes.ROOM_SPHERE_GRABBED: break; case msgTypes.ROOM_SPHERE_POSITION_UPDATED: // Deprecated if(!this.connected) break; this.handleSpherePositionUpdate(msgData); break; case msgTypes.ROOM_SPHERE_TONE_SET: if(!this.connected) break; this.handleSphereToneUpdate(msgData); break; case msgTypes.ROOM_SPHERE_CONNECTIONS_SET: if(!this.connected) break; this.handleSphereConnectionUpdate(msgData); break; case msgTypes.ROOM_SPHERE_RELEASED: break; case msgTypes.ROOM_SPHERE_STRUCK: if(!this.connected) break; this.handleSphereStruck(msgData); break; case msgTypes.ROOM_SPHERE_DELETED: if(!this.connected) break; this.handleSphereDeletion(msgData, true); break; case msgTypes.CREATE_SPHERE_DENIED: break; case msgTypes.CREATE_SPHERE_SUCCESS: if(!this.connected) break; this.handleSphereCreation(msgData, false, msgTypes.CREATE_SPHERE_SUCCESS); break; case msgTypes.GRAB_SPHERE_DENIED: break; case msgTypes.GRAB_SPHERE_SUCCESS: break; case msgTypes.UPDATE_SPHERE_POSITION_INVALID: break; case msgTypes.UPDATE_SPHERE_POSITION_DENIED: break; case msgTypes.RELEASE_SPHERE_DENIED: break; case msgTypes.RELEASE_SPHERE_INVALID: break; case msgTypes.RELEASE_SPHERE_SUCCESS: break; case msgTypes.DELETE_SPHERE_DENIED: break; case msgTypes.DELETE_SPHERE_INVALID: break; case msgTypes.DELETE_SPHERE_SUCCESS: break; case msgTypes.SET_SPHERE_TONE_DENIED: break; case msgTypes.SET_SPHERE_TONE_INVALID: break; case msgTypes.SET_SPHERE_TONE_SUCCESS: break; case msgTypes.SET_SPHERE_CONNECTIONS_DENIED: break; case msgTypes.SET_SPHERE_CONNECTIONS_INVALID: break; case msgTypes.SET_SPHERE_CONNECTIONS_SUCCESS: break; case msgTypes.CONNECT_SPHERES_IDENTICAL: break; case msgTypes.CONNECT_SPHERES_INVALID: break; case msgTypes.CONNECT_SPHERES_MISSING: break; case errorTypes.INVALID_URL: showErrorMessage("error_shake.gif", "Invalid URL", "Try Again"); break; case errorTypes.NO_ROOMS_AVAILABLE: showErrorMessage("error_full.gif", "All rooms are currently occupied. Try again later", "Home"); break; case errorTypes.NO_SUCH_ROOM: showErrorMessage("error_shake.gif", "Hmm, something went wrong", "Home"); break; case errorTypes.ROOM_QUEUE_FULL: showErrorMessage("error_full.gif", "There are too many players in this room", "Try Another"); break; case errorTypes.ROOM_FULL: showErrorMessage("error_full.gif", "There are too many players in this room", "Try Another"); break; case errorTypes.ROOM_UNAVAILABLE: showErrorMessage("error_knock.gif", "This room is temporarily unavailable", "Home"); break; case errorTypes.BUSY_TRY_AGAIN: showErrorMessage("error_hit.gif", "Hmm, something went wrong", "Try Again"); break; case errorTypes.ROOM_NOT_READY: showErrorMessage("error_knock.gif", "Hmm, something went wrong", "Try Again"); break; case errorTypes.ROOM_JOIN_TIMEOUT: showErrorMessage("error_knock.gif", "Hmm, something went wrong", "Try Again"); break; case errorTypes.SPHERE_HOLD_TIMEOUT: break; case errorTypes.CLIENT_INACTIVITY_TIMEOUT: break; default: } }, sendMsg: function(msg){ if(this.ws && this.ws.readyState == 1) { this.ws.send(msg.serialize()); } }, handleRoomStatusInfo: function(data){ this.connected = true; const roomName = data[ serverMsgComponents.ROOM_STATUS_INFO.ROOM_NAME ]; const roomSoundbank = data[ serverMsgComponents.ROOM_STATUS_INFO.SOUNDBANK ]; // list of clients already in the room arranged according to headsetType const clientList = data[ serverMsgComponents.ROOM_STATUS_INFO.CLIENTS ]; Object.keys( clientList ).forEach(( headsetType ) => { for(let i = 0; i { document.removeEventListener("SPHERE_TEXTURE_LOADED", loadSpheres); // Create spheres // if empty room, trigger tree created event if(Object.keys(data[serverMsgComponents.ROOM_STATUS_INFO.SPHERES]).length===0){ this.sceneEl.systems.tree.isTreeCreated = true; document.dispatchEvent(new Event("TREE_CREATED")); } else { _.each( data[serverMsgComponents.ROOM_STATUS_INFO.SPHERES], (sphereData, sphereId) =>{ sphereData[ serverMsgComponents.ROOM_SPHERE_POSITION_UPDATED.SPHERE_ID ] = sphereId; this.handleSphereCreation(sphereData, true,"PER_SPHERE"); } ); } }; // texture needs to be loaded before spheres are created // window.UI.joinedRoom(roomName); window.location.hash = this.region+"-"+roomName; this.sceneEl.removeAttribute('palette'); this.sceneEl.setAttribute('palette', roomSoundbank); document.addEventListener("SPHERE_TEXTURE_LOADED", loadSpheres); this.sceneEl.components.palette.loadSphereTextures(); }, // ENTITY handleRemoveEntity: function(data){ let clientId = data[ serverMsgComponents.ROOM_CLIENT_EXIT.CLIENT_ID ]; let entity = this.entities[clientId]; if(entity) { entity.parentNode.removeChild(entity); } }, handleRemoveAllEntities: function(){ for (let key in this.entities) { let entity = this.entities[key]; if(entity) { entity.parentNode.removeChild(entity); } } }, createAframeEntity: function(id){ let entity = document.createElement('a-entity'); entity.id = id; this.entities[id] = entity; return entity; }, // Create new player entity representing remote player createRemotePlayerEntity: function(id, headsetType="6dof"){ const playerEntity = this.createAframeEntity(id); setComponentProperty(playerEntity, 'smooth-motion', 'amount:3'); this.sceneEl.appendChild(playerEntity); switch (headsetType){ case "viewer": this.addHeadPart(playerEntity, 'head_' + id, 'avatar-head'); break; case "3dof": this.addHeadPart(playerEntity, 'head_' + id, 'avatar-head'); this.add3dofPart(playerEntity, 'right_' + id, 'avatar-hand'); break; case "6dof": this.addHeadPart(playerEntity, 'head_' + id, 'avatar-head'); this.add6dofPart(playerEntity, 'right_' + id, 'avatar-hand'); this.add6dofPart(playerEntity, 'left_' + id, 'avatar-hand'); break; default: console.warn(clientHeadset); } let triggerEvent = new CustomEvent("PLAYER_ADDED", { "detail": { "entity": playerEntity } }); document.dispatchEvent(triggerEvent); }, // a la carte remote player parts addHeadPart: function(playerEntity, id, partType) { const entity = this.createAframeEntity(id); playerEntity.appendChild(entity); setTimeout( () => { setComponentProperty(entity, 'position', '0 1.6 0'); setComponentProperty(entity, 'smooth-motion', 'amount:3'); setComponentProperty(entity, 'mixin', partType); }); }, add6dofPart: function(playerEntity, id, partType) { const entity = this.createAframeEntity(id); playerEntity.appendChild(entity); setTimeout( () => { setComponentProperty(entity, 'smooth-motion', 'amount:3'); setComponentProperty(entity, 'mixin', partType); }); }, add3dofPart: function(playerEntity, id, partType, callback=null) { const entity = this.createAframeEntity(id); playerEntity.appendChild(entity); setTimeout( () => { setComponentProperty(entity, 'smooth-motion', 'amount:3'); setComponentProperty(entity, 'daydream-pointer', ""); setComponentProperty(entity, 'mixin', partType); }); }, // Handle client position data from server handleUpdatePlayerEntity: function(id, data){ if(!this.entities[id]) { this.createRemotePlayerEntity(id); } // Update position and rotation of head and hands ['head','left', 'right'].forEach((part) => { let dataPart; if(part == 'head') dataPart = serverMsgComponents.ROOM_CLIENT_COORDS_UPDATED.HEAD; else if(part == 'left') dataPart = serverMsgComponents.ROOM_CLIENT_COORDS_UPDATED.LEFT; else if(part == 'right') dataPart = serverMsgComponents.ROOM_CLIENT_COORDS_UPDATED.RIGHT; const part_id = part + "_" + id; let positionData = data[dataPart][clientMsgComponents.REF_COORDINATE_SET.POSITION]; let rotationData = data[dataPart][clientMsgComponents.REF_COORDINATE_SET.ROTATION]; if(part === 'head') { setComponentProperty(this.entities[id], 'position', {x:positionData.x, y:0, z:positionData.z}); setComponentProperty(this.entities[part_id], 'position',{x:0, y:positionData.y, z:0}); } else { let playerPos = getComponentProperty(this.entities[id], 'position'); if(!playerPos) { return; } if(!this.entities[part_id]) { return; } setComponentProperty(this.entities[part_id], 'position', { x:positionData.x-playerPos.x, y:positionData.y-playerPos.y, z:positionData.z-playerPos.z }); } setComponentProperty(this.entities[part_id], 'rotation', stringify(rotationData)); }); }, // Set client position data on server in next tick setPlayerData: function(part, component, data){ if(!this.connected) return; if(component === 'position' && part === 'head') { let avatar = document.querySelector("#avatar"); let avatarPosition = avatar.object3D.getWorldPosition(); this.playerDataCache[part][component].x = avatarPosition.x; this.playerDataCache[part][component].y = avatarPosition.y; this.playerDataCache[part][component].z = avatarPosition.z; } else if(component === 'position') { let hand = document.querySelector("#"+part+"Hand"); let handPosition = hand.object3D.getWorldPosition(); this.playerDataCache[part][component].x = handPosition.x; this.playerDataCache[part][component].y = handPosition.y; this.playerDataCache[part][component].z = handPosition.z; } else if(component == 'rotation') { this.playerDataCache[part][component].x = data.x; this.playerDataCache[part][component].y = data.y; this.playerDataCache[part][component].z = data.z; } else { // this.playerData[part].userdata[component] = data; } this.playerDataDirty = true; }, // SPHERES createSphereOnServer: function(entity){ if(!this.connected) return; this._addingSphereEntity = entity; let msg = new CreateSphereAtPosition(entity.getAttribute('position'), entity.getAttribute('tone')); this.sendMsg(msg); }, setSphereData: function(uuid, component, data){ if(!this.connected) return; if(!uuid) throw new Error("No uuid in setSphereData"); if(component == 'position'){ if(!_.isEqual(data, this.sphereCache[uuid].position)) { this.sphereCache[uuid].dirty = true; // let msg = new SpherePositionUpdate(uuid, data); // this.throttledSendMsg(msg) this.sphereCache[uuid].position = _.clone(data); this.playerDataDirty = true; } } else if(component == 'ball'){ if(data.grabbed != this.sphereCache[uuid].grabbed) { this.sphereCache[uuid].grabbed = data.grabbed; if (data.grabbed) { this.sendMsg(new GrabSphere(uuid)); } else { this.sendMsg(new ReleaseSphere(uuid)); } } } else if(component == 'tone'){ if(!_.isEqual(data, this.sphereCache[uuid].tone)) { let msg = new SphereToneUpdate(uuid, data); this.sendMsg(msg); this.sphereCache[uuid].tone = _.clone(data); } } }, removeSphere: function(uuid){ if(!this.connected) return; if(uuid){ this.sendMsg(new DeleteSphere(uuid)); } }, sendSphereStrike: function(uuid, velocity){ if(!this.connected) return; if(uuid) { this.sendMsg(new StrikeSphere(uuid, velocity)); } }, handleSphereStruck: function (data) { const sphereId = data[ serverMsgComponents.ROOM_SPHERE_STRUCK.SPHERE_ID ]; const strikeVelocity = data[ serverMsgComponents.ROOM_SPHERE_STRUCK.VELOCITY ]; let entity = document.querySelector("#sphere_"+sphereId); if(!entity) { return; } entity.emit("controllerhit", {"velocity":strikeVelocity, "remote": true}); }, handleSphereCreation: function(data, remote, message){ const sphereId = data[ serverMsgComponents.ROOM_STATUS_INFO.SPHERE_ID ]; const spherePosition = data[ serverMsgComponents.ROOM_STATUS_INFO.POSITION ]; const sphereTone = data[ serverMsgComponents.ROOM_STATUS_INFO.TONE ]; const sphereMeristem = data[ serverMsgComponents.ROOM_STATUS_INFO.MERISTEM ]; this.sphereCache[sphereId] = { grabbed: false, connections: [], tone: sphereTone }; if(!remote && this._addingSphereEntity){ // Local client created sphere, getting server generated UUID this._addingSphereEntity.id = "sphere_"+sphereId; this._addingSphereEntity.setAttribute('copresence','uuid', sphereId); delete this._addingSphereEntity; } else if(spherePosition){ // Create entity in tree system document.querySelector('a-scene').systems.tree.createSphere({ id: "sphere_"+sphereId, uuid: sphereId, position: spherePosition, tone: sphereTone, meristem : sphereMeristem || false }); } }, handleSphereDeletion: function(data, remote=true){ const sphereId = data[ serverMsgComponents.ROOM_SPHERE_DELETED.SPHERE_ID ]; let sphere = document.querySelector("#sphere_"+sphereId); document.querySelector('a-scene').systems.tree.deleteSphere(sphere); }, handleSpherePositionUpdate: function(data){ const sphereId = data[ serverMsgComponents.ROOM_SPHERE_POSITION_UPDATED.SPHERE_ID ]; const spherePosition = data[ serverMsgComponents.ROOM_STATUS_INFO.POSITION ]; this.sphereCache[sphereId].position = _.clone(spherePosition); let entity = document.querySelector("#sphere_"+sphereId); if(!entity) { return; } let ballComponent = entity.getAttribute('ball'); if(!ballComponent.grabbed) { entity.setAttribute('position', spherePosition); } }, handleSphereToneUpdate: function(data){ const sphereId = data[ serverMsgComponents.ROOM_STATUS_INFO.SPHERE_ID ]; const sphereTone = data[ serverMsgComponents.ROOM_STATUS_INFO.TONE ]; this.sphereCache[sphereId].tone = _.clone(sphereTone); let entity = document.querySelector("#sphere_"+sphereId); if(!entity) { return; } entity.setAttribute('tone', sphereTone); }, handleSphereConnectionUpdate: function (data) { const sphereId = data[ serverMsgComponents.ROOM_STATUS_INFO.SPHERE_ID ]; const sphereConnections = data[ serverMsgComponents.ROOM_STATUS_INFO.CONNECTIONS ]; let connections = _.map(sphereConnections, (c)=> "#sphere_"+c ); this.sphereCache[sphereId].connections = connections.slice(); let entity = document.querySelector("#sphere_"+sphereId); if(!entity) { return; } let ballComponent = entity.getAttribute('ball'); if(ballComponent && !ballComponent.grabbed) { entity.setAttribute('ball', 'connections', connections); } }, handleRemoteJoining: function(data){ let clientId = data[ serverMsgComponents.ROOM_CLIENT_JOIN.CLIENT_ID ]; let clientHeadset = data[ serverMsgComponents.ROOM_CLIENT_JOIN.CLIENT_HEADSET_TYPE ]; // checks if controllers exists, delete / append based on interaction type let addPointer = () => { let right = document.querySelector("#right_" + clientId); let left = document.querySelector("#left_" + clientId); if(right && left){ let person = right.parentNode; switch (clientHeadset){ case "viewer": person.removeChild(right); person.removeChild(left); break; case "3dof": right.setAttribute("daydream-pointer", ""); person.removeChild(left); break; case "6dof": break; default: } } else { requestAnimationFrame(addPointer); } }; addPointer(); }, }); /// /// ------------------------------- COMPONENT -------------------------------------- /// AFRAME.registerComponent('copresence', { uuidset: false, schema: { components: {default: ['position','ball', 'tone'], type: 'array'}, decimals: {default: 3}, playerpart: {default: undefined, type: 'string'}, uuid: {default: undefined, type: 'string'} }, init: function(){ const system = this.el.sceneEl.systems["copresence-server"]; const player = document.querySelector("#player"); const avatar = document.querySelector("#avatar"); if (!this.data.components.length) return; // sphere is created locally, need to create one for the server if(!this.data.uuid && !this.data.playerpart){ system.createSphereOnServer(this.el); } else if(this.data.uuid){ this.uuidset = true; } let updatePlayerData = (evt) => { this.data.components.forEach( (component) => { // Check the component is in the list of watched components if (evt.detail.name === component) { let d = evt.detail.newData; // Round data if (this.data.decimals !== false) { if (_.isObject(d)) { d = _.mapObject(d, (n) => { if (_.isNumber(n)) { return Math.round(n * Math.pow(10, this.data.decimals)) / Math.pow(10, this.data.decimals); } return n; }); } if (_.isNumber(d)) { d = Math.round(d * Math.pow(10, this.data.decimals)) / Math.pow(10, this.data.decimals); } } // Let the system know about the data change if (this.data.playerpart) { system.setPlayerData(this.data.playerpart, component, d); } else if(this.data.uuid){ system.setSphereData(this.data.uuid, component, d); } } }); }; // Listen for component changes (position, etc) this.el.addEventListener("componentchanged", (evt)=>{ if(_.isEqual(evt.detail.newData, evt.detail.oldData)) { return; } updatePlayerData(evt); }); player.addEventListener("componentchanged", (evt)=>{ // if data has updated and if it's avatar if(_.isEqual(evt.detail.newData, evt.detail.oldData)) { return; } if(!_.isEqual(avatar, this.el)) { return; } updatePlayerData(evt); }); this.el.addEventListener('controllerhit', (evt)=>{ if(!evt.detail.remote) { let system = this.el.sceneEl.systems["copresence-server"]; system.sendSphereStrike(this.data.uuid, evt.detail.velocity); } }); }, update: function(){ // Check if UUID is being set for the first time, if thats the case, send the sphere data if(!this.uuidset && this.data.uuid){ this.uuidset = true; let system = this.el.sceneEl.systems["copresence-server"]; system.setSphereData(this.data.uuid, 'ball', this.el.getAttribute("ball")); } }, remove: function(){ let system = this.el.sceneEl.systems["copresence-server"]; if(this.data.uuid) { system.removeSphere(this.data.uuid); } } }); ================================================ FILE: js/components/daydream-manager.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. const getComponentProperty = AFRAME.utils.entity.getComponentProperty; const setComponentProperty = AFRAME.utils.entity.setComponentProperty; AFRAME.registerComponent('daydream-manager', { controllerBall: null, headset: null, proxy: null, controller: null, isHitByRayCast:false, schema: { headset: { default: "#avatar" }, proxy: { default: "#rightHand" }, controller: { default: "#controller" }, }, init: function() { }, play: function() { this.headset = document.querySelector(this.data.headset); this.proxy = document.querySelector(this.data.proxy); this.controller = document.querySelector(this.data.controller); let controller = document.querySelector("#controller"); controller.addEventListener('raycaster-intersection', (event) => { if(this.isHitByRayCast) { return; } let proxyPosition = this.proxy.object3D.getWorldPosition(); event.detail.intersections.forEach((intersection) => { let entity = intersection.object.el; if(!entity.classList.contains('ball')){ return;} let distance = entity.object3D.getWorldPosition().distanceToSquared (proxyPosition); if(distance > 1) { return; } entity.emit("controllerhit", { velocity: 1.0 }); this.isHitByRayCast = true; }); }); controller.addEventListener('raycaster-intersection-cleared', (event) => { this.isHitByRayCast = false; }); }, pause: function() { }, tick: function() { let controller = document.querySelector("#controller"); if(!controller) { return; } let rotation = getComponentProperty(controller, "rotation"); setComponentProperty(this.proxy, "rotation", {x:rotation.x, y:rotation.y, z:rotation.z}); let avatar = document.querySelector('#avatar'); avatar = avatar.object3D; let position = getComponentProperty(controller, "position"); setComponentProperty(this.proxy, "position", { x:position.x + avatar.position.x, y:position.y, z:position.z + avatar.position.z}); }, remove: function() { // let prevEntity = document.querySelector(prevId); }, }); ================================================ FILE: js/components/daydream-pointer.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. const getComponentProperty = AFRAME.utils.entity.getComponentProperty; const setComponentProperty = AFRAME.utils.entity.setComponentProperty; AFRAME.registerComponent('daydream-pointer', { schema: { }, init: function() { }, play: function() { let cone = document.createElement('a-cone'); cone.className = "ray"; cone.setAttribute("position", "0 0 -0.44"); cone.setAttribute("rotation", "-90 0 0"); cone.setAttribute("radius-bottom", "0.001"); cone.setAttribute("radius-top", "0.005"); cone.setAttribute("height", "1.0"); cone.setAttribute("color", "#FFF"); cone.setAttribute("shader", "flat"); this.el.appendChild(cone); let ball = document.createElement('a-sphere'); ball.className = "ball"; ball.setAttribute("segments-width", "8"); ball.setAttribute("segments-height", "8"); ball.setAttribute("position", "0 0.50 0"); ball.setAttribute("radius", "0.01"); cone.setAttribute("color", "#FFF"); cone.setAttribute("shader", "flat"); cone.appendChild(ball); }, pause: function() { }, tick: function() { }, }); ================================================ FILE: js/components/fake-light.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. AFRAME.registerComponent( 'fake-light', { schema: { position: { type: 'vec3', default: new THREE.Vector3( 3, 10, 1 ) } }, getLightPosition: function() { return this.data.position; } }); ================================================ FILE: js/components/ga.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. AFRAME.registerComponent( 'ga', { init: function(){ this.el.addEventListener('controllerhit', ()=>{ ga('send', 'event', "interaction", "hit"); }); this.el.addEventListener('grab', ()=>{ ga('send', 'event', "interaction", "grab"); }); } }); ================================================ FILE: js/components/gaze.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. const getComponentProperty = AFRAME.utils.entity.getComponentProperty; const setComponentProperty = AFRAME.utils.entity.setComponentProperty; let BALL_RADIUS = 0.05; AFRAME.registerComponent('gaze', { isRayCasterAvailable: false, hoveredEntity: null, schema: { }, // gaze should only work for android, ios, desktop // if vive, occulous, and daydream, disable gaze; init: function() { document.addEventListener("INTRO_COMPLETED", (event) => { let mode = this.el.sceneEl.components.splash.mode; if( AFRAME.utils.device.isMobile() && mode !== "360" ){ this.addRaycaster(); } document.addEventListener("CONTROLLER_CREATED", (event) => { if(event.detail.id !== "Daydream Controller") { return; } this.createRayTargets(); this.removeShadows(); let avatar = document.querySelector('#avatar'); let controller = document.querySelector('#controller'); // swaps out racaster if(avatar.hasAttribute('raycaster')) { avatar.removeAttribute("raycaster"); } let target = document.createElement('a-entity'); target.id = "target"; setComponentProperty(target, "position", "0 0 0.25"); controller.appendChild(target); target.setAttribute("raycaster", "objects: .selectable; near:0; far:10; recursive: true; interval:200"); }, false); }, false); document.addEventListener("BALL_CREATED", (event) => { if (AFRAME.utils.device.isMobile()) { this.createRayTarget(event.detail.el); } }, false); }, play: function() { }, pause: function() { }, tick: function() { }, // required to redo hit states addRaycaster: function() { this.createRayTargets(); let avatar = document.querySelector('#avatar'); // deletes old rays and adds new one if(avatar.hasAttribute('raycaster')) { avatar.removeAttribute("raycaster"); } avatar.setAttribute("raycaster", "objects: .selectable; near:0; far:10; recursive: true; interval:200"); /* * the raycaster intersection updates continuously on interval, * returning an array ofhit objects * Intersection clear not required */ // null state is gaze-floor let currentEntity = document.querySelector('#gaze-floor'); avatar.addEventListener('raycaster-intersection', (event) => { if(event.detail.intersections.length === 0 ) { return; } let entity = event.detail.intersections[0].object.el; let isBall = entity.classList.contains('ball'); if(isBall && (currentEntity.id !== entity.id) ){ currentEntity.emit("unHighlight"); currentEntity = entity; this.hoveredEntity = entity; this.hoveredEntity.emit("highlight"); // teleport related event.wasSphereHit = true; document.dispatchEvent(new Event("ON_SPHERE_IN")); event.stopPropagation(); } else if(isBall && (currentEntity.id === entity.id) ){ } else if (this.hoveredEntity) { currentEntity = document.querySelector('#gaze-floor'); this.hoveredEntity.emit("unHighlight"); this.hoveredEntity = null; // teleport related document.dispatchEvent(new Event("ON_SPHERE_OUT")); event.stopPropagation(); } }); avatar.addEventListener('raycaster-intersection-cleared', (event) => { if(this.hoveredEntity){ currentEntity = document.querySelector('#gaze-floor'); this.hoveredEntity.emit("unHighlight"); this.hoveredEntity = null; } }); document.addEventListener("mouseup", (event) => { if(this.hoveredEntity) { this.hoveredEntity.emit("controllerhit", {velocity:1.0}); event.wasSphereHit = true; } }); }, /* * create ray targets, remove shadows for performance */ createRayTargets: function() { let tree = document.querySelector("#tree"); let balls = tree.getElementsByClassName("selectable"); for(let i=0; i { // when ball is created, makes sure hand is passed to correct ball if(this.data.grabbing && event.detail.grab && event.detail.hand===this.el.id) { let closestSphere = event.detail.el; this.selectBall(closestSphere); this.grabbedSphere = closestSphere; closestSphere.emit("controllerhit", {velocity:0.5}); this.hasJustPlayed = true; } }, false); }, selectBall: function(entity){ if(this.selectedSphere && this.selectedSphere !== -1) { this.selectedSphere.setAttribute('ball', 'grabbed', false); } if( entity === -1 ){ this.selectedSphere = -1; } else { this.selectedSphere = entity; this.selectedSphere.setAttribute('ball', 'grabbed', true); } }, // 57, 48 onKeyUp: function (event) { switch(event.keyCode){ // close bracket case 219: this.onTriggerPress(); break; // open bracket case 221: this.onTriggerRelease(); break; // close parenthisis case 48: let controllerPos = this.controllerBall.getWorldPosition(); let [ closestSphere, distanceSquared ] = this.getClosestEntity(tree, controllerPos); this.grabbedSphere = closestSphere; if(this.grabbedSphere){ this.delete(); } break; } }, creatControllerBall: function() { let material, geometry, ball; geometry = new THREE.IcosahedronGeometry( 0.04, 1); material = new THREE.MeshBasicMaterial( { color: 0xffffff, transparent:true, opacity: 0.25 }); this.controllerBall = new THREE.Mesh(geometry,material); // ball = new THREE.Object3D(); this.controllerBall.name = "ball"; this.el.object3D.add(this.controllerBall); if(this.el.id === "avatar") { this.controllerBall.position.z = -1.0; } else { this.controllerBall.position.z = -0.03; } this.el.object3D.add(this.controllerBall); // delete from avatar document.addEventListener("CONTROLLER_CREATED", (event) => { if(this.el.id !== "avatar") { return; } if(!this.controllerBall) { return; } this.el.object3D.remove(this.controllerBall); }, false); }, play: function () { this.creatControllerBall(); this.enableInteractions(); }, enableInteractions: function() { if (this.el.id === "avatar" && getParameterByName('reticle')==='true') { document.addEventListener('keyup', this.onKeyUp.bind(this)); } this.el.addEventListener('triggerdown', this.onTriggerPress.bind(this)); this.el.addEventListener('triggerup', this.onTriggerRelease.bind(this)); }, pause: function () { if (this.el.id === "avatar" && getParameterByName('reticle')==='true') { document.removeEventListener('keyup', this.onKeyUp); } this.el.removeEventListener('triggerdown', this.onTriggerPress); this.el.removeEventListener('triggerup', this.onTriggerRelease); }, getClosestEntity: function(tree, pos, ignored) { let minValue = 100000; let closestId = -1; for(let i=0; i DELETE_VELOCITY) { this.delete(); } }, delete: function () { if(!this.grabbedSphere) { return; } let controllerPos = this.controllerBall.getWorldPosition(); let triggerEvent = new CustomEvent("ON_DELETE",{ "detail": { "closestEntity": this.grabbedSphere, }}); document.dispatchEvent(triggerEvent); }, getVelocity: function(controllerPos) { let velocity; // compute velocity if (this.prevControllerPos){ let distance = this.prevControllerPos.distanceTo(controllerPos); let elapsedTime = Date.now() - this.lastUpdate; let instantVelocity = distance / elapsedTime; this.lastUpdate = Date.now(); this.prevControllerPos.copy(controllerPos); this.velocityHistory.push(distance); } else { this.prevControllerPos = controllerPos.clone(); this.velocityHistory.push(0); } //keep no more than 10 if (this.velocityHistory.length > VELOCITY_SAMPLES){ this.velocityHistory.shift(); } //compute the velocity as an average over all of the velocity history velocity = this.velocityHistory.reduce(function(a, b) { return a + b; }) / this.velocityHistory.length; velocity = Math.min(velocity / 0.02, 1); // normalize return velocity; }, tick: function(){ let tree = document.querySelector("#tree"); if(!this.controllerBall || tree.children.length === 0) { return; } let controllerPos = this.controllerBall.getWorldPosition(); let [ closestSphere , distanceSquared ] = this.getClosestEntity(tree, controllerPos); if(!closestSphere) { return; } if(closestSphere.id === "TEMP_NEW_SPHERE_ID") { return; } let hitScalar = (this.getShape(closestSphere) === "sphere") ? 1 : 1.5; let thresholdSquared = this.getScale(closestSphere) * BALL_RADIUS*hitScalar + CONTROLLER_BALL_RADIUS; thresholdSquared = thresholdSquared*thresholdSquared; this.data.isNearSphere = distanceSquared < thresholdSquared; let velocity = this.getVelocity(controllerPos); // hightlight controller if near a ball if(this.data.isNearSphere) { this.previousClosestSphere = this.data.closestSphere; this.data.closestSphere = closestSphere; this.controllerBall.material.opacity = 0.75; } else { this.controllerBall.material.opacity = 0.25; this.hasJustPlayed = false; } // repositions ball when grabbing so ball rests just above controller. if(this.data.grabbing && (this.selectedSphere !== -1)) { let treePosition = tree.object3D.getWorldPosition(); // controllerPos = this.controllerBall.getWorldPosition(); let matrix = new THREE.Matrix4(); matrix.extractRotation( this.el.object3D.matrix ); // let tone = this.getTone(this.selectedSphere); let tone = this.getTone(this.selectedSphere) % this.getTonesInScale(); let hitScalar = (this.getShape(this.selectedSphere) === "sphere") ? 1 : 1.5; let scale = 1 - tone / (this.getTotalTones() - 1); let ballSize = 0.1; ballSize *= scale*hitScalar; ballSize += 0.05; let direction = new THREE.Vector3( 0, 0, 1 ); direction.applyMatrix4( matrix ); direction.normalize(); direction.multiplyScalar(ballSize-0.05); controllerPos.sub(treePosition); controllerPos.sub(direction); // if ball position is too low if (controllerPos.y < 0.25) { controllerPos.y = 0.25; } setComponentProperty(this.selectedSphere, "position", AFRAME.utils.coordinates.stringify(controllerPos)); } // touch hits if(this.data.grabbing) { return; } if(!this.data.isNearSphere) { return; } if(!this.hasJustPlayed || this.previousClosestSphere !== closestSphere) { closestSphere.emit("controllerhit", {velocity:velocity, controllerPosition: this.controllerBall.getWorldPosition()}); this.hasJustPlayed = true; this.el.emit('vibrate'); } }, getTone(el){ return el.getAttribute('tone'); }, getTotalTones(el){ return this.el.sceneEl.components.palette.totalNotes(); }, getTonesInScale() { return this.el.sceneEl.components.palette.noteCount(); }, getScale(entity) { return entity.components.ball.note.head.scale; }, getShape(entity) { return entity.components.ball.note.head.shape; }, }); ================================================ FILE: js/components/haptics.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. AFRAME.registerComponent('haptics', { schema: { hand: {type:'string'} }, init: function(){ this.el.addEventListener('vibrate', ()=>{ try { let gamepad = navigator.getGamepads()[this.el.getAttribute("tracked-controls").controller]; if ('hapticActuators' in gamepad && gamepad.hapticActuators.length > 0) { gamepad.hapticActuators[0].pulse(0.7, 10); } } catch (e){} }); } }); ================================================ FILE: js/components/headset-material.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { HeadsetColor, HeadsetShadow } from '../core/colors'; AFRAME.registerComponent( 'headset-material', { isLoaded: false, schema: { opacity: { default: 1.0 }, }, init: function() { this.el.addEventListener( 'model-loaded', this.onLoaded.bind( this ) ); this.el.addEventListener("componentchanged", (event) => { this.onUpdated(); }, false); }, onLoaded: function() { let mesh = this.el.components["collada-model"].model.children[ 0 ].children[ 0 ]; mesh.material = new THREE.MultiMaterial([ new THREE.MeshBasicMaterial( { color: HeadsetColor, transparent:true} ), new THREE.MeshBasicMaterial( { color: HeadsetShadow, transparent:true} ) ]); this.isLoaded = true; this.onUpdated(); }, onUpdated: function() { if(!this.isLoaded) { return; } let mesh = this.el.components["collada-model"].model.children[ 0 ].children[ 0 ]; let transparent = (this.data.opacity<1) ? true : false; mesh.material.materials[0].transparent = transparent; mesh.material.materials[1].transparent = transparent; mesh.material.materials[0].opacity = this.data.opacity; mesh.material.materials[1].opacity = this.data.opacity; }, }); ================================================ FILE: js/components/listener.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import Tone from 'tone'; AFRAME.registerComponent('listener', { init() {}, remove() {}, tick() { // const pos = this.el.object3D.position const object3d = this.el.object3D; object3d.updateMatrixWorld(); const matrixWorld = object3d.matrixWorld; const position = new THREE.Vector3().setFromMatrixPosition(matrixWorld); Tone.Listener.setPosition(position.x, position.y, position.z); const mOrientation = matrixWorld.clone(); mOrientation.setPosition({ x: 0, y: 0, z: 0 }); const vFront = new THREE.Vector3(0, 0, 1); vFront.applyMatrix4(mOrientation); vFront.normalize(); const vUp = new THREE.Vector3(0, -1, 0); vUp.applyMatrix4(mOrientation); vUp.normalize(); Tone.Listener.setOrientation(vFront.x, vFront.y, vFront.z, vUp.x, vUp.y, vUp.z); } }); ================================================ FILE: js/components/palette.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { Instruments, NoteCount, InstrumentCount, TotalNotes} from '../core/instruments'; import { BallColors, ControllerColors } from '../core/colors'; import { Shapes } from '../core/shapes'; const SPHERE_BASE_URL = './static/img/ball_'; const SPHERE_BASE_EXT = '.png'; AFRAME.registerComponent('palette', { schema: { type: 'int', default: 0 }, update() { // Dispose of the old instrument if (this._currentInstrument) { this._currentInstrument.dispose(); } // Set the new instrument this._currentInstrument = Instruments[this.data % Instruments.length]; }, trigger(time, tone, velocity, x, y, z) { this._currentInstrument.trigger(time, tone, velocity, x, y, z); }, totalNotes() { return TotalNotes; }, noteCount() { return NoteCount; }, colorPalette() { return BallColors[ this._currentInstrument.color ]; }, controllerColors() { return ControllerColors[ this._currentInstrument.color ]; }, shapePalette(id) { return Shapes[ id ]; }, loadSphereTextures() { let image134Circles = document.getElementById( 'ball_circles_134' ); let image567Circles = document.getElementById( 'ball_circles_567' ); let image134Triangles = document.getElementById( 'ball_triangles_134' ); let image567Triangles = document.getElementById( 'ball_triangles_567' ); let image134Squares = document.getElementById( 'ball_squares_134' ); let image567Squares = document.getElementById( 'ball_squares_567' ); this._textureSprite134Circles = new THREE.Texture( image134Circles ); this._textureSprite567Circles = new THREE.Texture( image567Circles ); this._textureSprite134Triangles = new THREE.Texture( image134Triangles ); this._textureSprite567Triangles = new THREE.Texture( image567Triangles ); this._textureSprite134Squares = new THREE.Texture( image134Squares ); this._textureSprite567Squares = new THREE.Texture( image567Squares ); this._textureSprite134Circles.wrapS = this._textureSprite134Circles.wrapT = THREE.RepeatWrapping; this._textureSprite567Circles.wrapS = this._textureSprite567Circles.wrapT = THREE.RepeatWrapping; this._textureSprite134Triangles.wrapS = this._textureSprite134Triangles.wrapT = THREE.RepeatWrapping; this._textureSprite567Triangles.wrapS = this._textureSprite567Triangles.wrapT = THREE.RepeatWrapping; this._textureSprite134Squares.wrapS = this._textureSprite134Squares.wrapT = THREE.RepeatWrapping; this._textureSprite567Squares.wrapS = this._textureSprite567Squares.wrapT = THREE.RepeatWrapping; setTimeout( () => { document.dispatchEvent(new Event("SPHERE_TEXTURE_LOADED")); },0); }, textureSprite134(id) { return [this._textureSprite134Circles, this._textureSprite134Squares, this._textureSprite134Triangles][id]; }, textureSprite567(id) { return [this._textureSprite567Circles, this._textureSprite567Squares, this._textureSprite567Triangles][id]; }, }); ================================================ FILE: js/components/proximity-check.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. const getComponentProperty = AFRAME.utils.entity.getComponentProperty; const setComponentProperty = AFRAME.utils.entity.setComponentProperty; import { getParameterByName } from '../util'; AFRAME.registerComponent('proximity-check', { schema: { objects: { default: [], type: 'array' }, }, init: function() { }, play: function() { document.addEventListener('PLAYER_ADDED', (event) => { // adds to list this.data.objects.push(event.detail.entity); // when remote heads move check distances let head = document.querySelector("#head_"+event.detail.entity.id); let person = head.parentNode; person.addEventListener('componentchanged', (event) => { this.checkDistances(); }); this.checkDistances(); }); if(getParameterByName("proximity")!=="false"){ // when player moves check distances let player = document.querySelector("#player"); player.addEventListener('componentchanged', (event) => { this.checkDistances(); }); this.checkDistances(); } }, pause: function() { }, checkDistances:function() { let myPosition = this.el.object3D.getWorldPosition(); let entity; for(let i=0; i 0){ let ray = right.childNodes[0]; ray.setAttribute("opacity",opacity); let cone = right.childNodes[0].childNodes[0]; cone.setAttribute("opacity",opacity); } } } }, }); ================================================ FILE: js/components/quaternion.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. /** * Quaternion. * * Represents orientation of object in three dimensions. Similar to `rotation` * component, but avoids problems of gimbal lock. * * See: https://en.wikipedia.org/wiki/Quaternions_and_spatial_rotation */ AFRAME.registerComponent('quaternion', { schema: {type: 'vec4'}, update: function () { var data = this.data; this.el.object3D.quaternion.set(data.x, data.y, data.z, data.w); } }); ================================================ FILE: js/components/smooth-motion.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. var degToRad = require('three').Math.degToRad; function LowpassFilter(Fc) { var Q = 0.707; var K = Math.tan(Math.PI * Fc); var norm = 1 / (1 + K / Q + K * K); this.a0 = K * K * norm; this.a1 = 2 * this.a0; this.a2 = this.a0; this.b1 = 2 * (K * K - 1) * norm; this.b2 = (1 - K / Q + K * K) * norm; this.z1 = this.z2 = 0; this.value = 0; this.tick = function(value) { var out = value * this.a0 + this.z1; this.z1 = value * this.a1 + this.z2 - this.b1 * out; this.z2 = value * this.a2 - this.b2 * out; return out; }; } /** * Interpolate component for A-Frame. */ AFRAME.registerComponent('smooth-motion', { schema: { amount: { default: 1 } }, /** * Called once when component is attached. Generally for initial setup. */ init: function() { this.quaternion = new THREE.Quaternion(); }, /** * Called when component is attached and when component data changes. * Generally modifies the entity based on the data. */ update: function(oldData) { if (!this.filterPosX) { var amount = parseFloat(this.data.amount); if (amount > 0) { var freq = 0.1 / amount; this.filterPosX = new LowpassFilter(freq, this); this.filterPosY = new LowpassFilter(freq, this); this.filterPosZ = new LowpassFilter(freq, this); } } }, /** * Called when a component is removed (e.g., via removeAttribute). * Generally undoes all modifications to the entity. */ remove: function() {}, /** * Called on each scene tick. */ tick: function(t) { if (!this.filterPosX) { return; } var p = AFRAME.utils.entity.getComponentProperty(this.el, 'position'); this.el.object3D.position.setX(this.filterPosX.tick(p.x)); this.el.object3D.position.setY(this.filterPosY.tick(p.y)); this.el.object3D.position.setZ(this.filterPosZ.tick(p.z)); var quaternion; if (AFRAME.utils.entity.getComponentProperty(this.el, 'quaternion')) { var q = AFRAME.utils.entity.getComponentProperty(this.el, 'quaternion'); quaternion = new THREE.Quaternion(q._x, q._y, q._z, q._w); } else { var r = AFRAME.utils.entity.getComponentProperty(this.el, 'rotation'); quaternion = new THREE.Quaternion(); quaternion.setFromEuler(new THREE.Euler(degToRad(r.x), degToRad(r.y), degToRad(r.z), 'YXZ')); } this.quaternion.slerp(quaternion, 1 / (3 * parseFloat(this.data.amount))); this.el.object3D.quaternion.copy(this.quaternion); } }); ================================================ FILE: js/components/teleport.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. const getComponentProperty = AFRAME.utils.entity.getComponentProperty; const setComponentProperty = AFRAME.utils.entity.setComponentProperty; import { getParameterByName } from '../util' import TWEEN from 'tween.js'; AFRAME.registerComponent('teleport', { isHitByRayCast: false, isAnimating: false, isOverSphere: false, floorTarget: null, doesControllerExist: false, schema: { }, init: function() { this.floorTarget = document.querySelector('#gaze-hit'); this.floorTarget.setAttribute("visible", "false"); }, play: function() { let onUp = (event) => { // flag passed from clicker js if (event.wasSphereHit) { return; } if(this.isHitByRayCast){ this.teleport(); } }; document.addEventListener('INTRO_COMPLETED', (event) => { setTimeout(() => { document.addEventListener("CONTROLLER_CREATED", (event) => { this.doesControllerExist = true; this.hideTeleport(); // disables teleport on click screen tap if (event.detail.id === "Daydream Controller") { document.removeEventListener('touchend', onUp); } // enables teleport on controller document.addEventListener('trackpadup', onUp); document.addEventListener('thumbstickup', onUp); }, false); let avatar = document.querySelector('#avatar'); if(getParameterByName("teleport")==="false"){ this.hideTeleport(); return; } document.addEventListener("touchstart", (event) => {}); document.addEventListener("touchend", (event) => {}); let isTablet = this.isTabletLikeDimensions() && this.isTouchDevice(); if (AFRAME.utils.device.isMobile() || isTablet) { document.addEventListener('mouseup', onUp); } else { this.hideTeleport(); return; } this.el.addEventListener('raycaster-intersected', (event) => { if(this.isOverSphere) { return; } if(this.isAnimating) { return; } if(this.isHitByRayCast) { return; } this.showTeleport(); }); this.el.addEventListener('raycaster-intersected-cleared', (event) => { if(this.isOverSphere) { return; } if(this.isAnimating) { return; } if(!this.isHitByRayCast) { return; } this.hideTeleport(); }); document.addEventListener('keyup', (event) => { switch (event.keyCode) { case 32: // spacebar this.onUp(event); break; } }); document.addEventListener('ON_SPHERE_IN', (event) => { this.isOverSphere = true; this.hideTeleport(); }); document.addEventListener('ON_SPHERE_OUT', (event) => { this.isOverSphere = false; }); }); }); }, hideTeleport: function() { this.floorTarget.setAttribute("visible", "false"); this.isHitByRayCast = false; }, showTeleport: function() { this.floorTarget.setAttribute("visible", "true"); this.isHitByRayCast = true; }, teleport: function() { if (!this.getTreeCreated()) { return; } if (this.isNearSphere()) { return; } if (!this.isHitByRayCast) { return; } this.isAnimating = true; const target = document.querySelector('#gaze-hit'); const speed = 100; const player = document.querySelector("#player"); const avatar = document.querySelector('#avatar'); const daydream = document.querySelector('#daydream'); let targetPosition = target.object3D.position; let position = getComponentProperty(player,"position"); let moveTo = (data) => { setComponentProperty(player, "position", position); if (!daydream) { return; } setComponentProperty(daydream, "position", position); }; if (this.flyTween) { this.flyTween.stop(); } this.flyTween = new TWEEN.Tween(position) .to(targetPosition.clone(), speed) .easing(TWEEN.Easing.Exponential.InOut) .onUpdate(moveTo) .onComplete(()=>{ this.isAnimating = false; this.hideTeleport(); }) .start(); }, pause: function() { }, tick: function() { if(this.isAnimating) { return; } let cam = document.querySelector("[raycaster]").object3D; let orientation = cam.getWorldDirection(); orientation.y *= -1; orientation.z *= -1; orientation.x *= -1; let ray = new THREE.Ray(cam.getWorldPosition(), orientation); let point = ray.intersectPlane(new THREE.Plane(new THREE.Vector3(0,1,0))); if(point) { point.y = 0.02; this.floorTarget.setAttribute('position', point); } }, getTreeCreated: function() { return this.el.sceneEl.systems.tree.getTreeCreated(); }, isNearSphere: function() { let nearSphereCount = 0; let elements = document.querySelectorAll('[grab-move]'); let entity; for(let i=0; i h) ? w : h) >= 960); }, isTouchDevice: function() { return 'ontouchstart' in window || navigator.maxTouchPoints; // works on most browsers || works on IE10/11 and Surface }, }); ================================================ FILE: js/components/tone.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import Tone from 'tone'; import {scale} from '../util'; import { Instruments, NoteCount, InstrumentCount, TotalNotes} from '../core/instruments'; //create the background track const filetype = Tone.Buffer.supportsType('mp3') ? 'mp3' : 'ogg'; const ambient = new Tone.Player(`static/audio/bg.${filetype}`, () => { ambient.start(); ambient.volume.rampTo(-14, 4); }).toMaster(); ambient.volume.value = -Infinity; ambient.loop = true; window.addEventListener('blur', () => { Tone.Master.mute = true; }); window.addEventListener('focus', () => { Tone.Master.mute = false; }); document.addEventListener("ENTERED_FOREST", () => { Tone.Master.mute = false; }); document.addEventListener("EXITED_FOREST", () => { Tone.Master.mute = true; }); AFRAME.registerComponent('tone', { schema: { type: 'int', default: 0 }, init() { // listen for events this.el.addEventListener('controllerhit', this.controllerHit.bind(this)); this._palette = this.el.sceneEl.components.palette; this._lastTrigger = 0; }, remove() { }, update(oldData) { if (this.data !== oldData && typeof oldData !== "undefined") { this.trigger(Tone.now() + 0.1, 0.4); } }, getPosition() { const object3d = this.el.object3D; object3d.updateMatrixWorld(); const matrixWorld = object3d.matrixWorld; const position = new THREE.Vector3().setFromMatrixPosition(matrixWorld); return position; }, trigger(time = Tone.now(), velocity = 1) { // this.env.triggerAttack(time, velocity) const pos = this.getPosition(); Instruments[this.getShape()].trigger(time, this.getNote(), velocity, pos.x, pos.y, pos.z); }, hit(time, velocity, controllerPosition = null, sourceId = null) { // hits.push('#' + this.el.id); this.trigger(time, velocity); this.el.emit('hit', { from: sourceId, velocity: velocity, delay: time - Tone.now(), controllerPosition: controllerPosition }); }, updatePosition() { const object3d = this.el.object3D; object3d.updateMatrixWorld(); const matrixWorld = object3d.matrixWorld; const position = new THREE.Vector3().setFromMatrixPosition(matrixWorld); this.panner.setPosition(position.x, position.y, position.z); }, controllerHit(data) { if( !this.el.getAttribute("visible")) {return;} const time = Tone.Time('+0.01').toSeconds(); if ((time - this._lastTrigger) > 0.1) { this._lastTrigger = time; this.hit(time, data.detail.velocity, data.detail.controllerPosition); } }, //return the shape number of the tone 0-2 getShape(){ return Math.floor(this.data / NoteCount); }, //return the note number of the tone 0-5 getNote(){ return this.data % NoteCount; }, //return the total number of tones //all note/shape getTotalTones(){ return TotalNotes; }, }); ================================================ FILE: js/components/tool-tips.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. const getComponentProperty = AFRAME.utils.entity.getComponentProperty; const setComponentProperty = AFRAME.utils.entity.setComponentProperty; AFRAME.registerComponent('tool-tips', { tooltip: null, sprite: null, clock: null, tilesIncX : 6, tilesIncY : 8, totalTiles : 48, tileTime: 48*4, currentTime:0, currentTile:0, schema: { hand: { default: "right", type: "string" }, timeout: { default: 30000, type: "int" } }, init: function() { this.clock = new THREE.Clock(); }, play: function() { // adds timeout for tool tip removal let addToolTipTimeout = () => { document.removeEventListener("TREE_CREATED", addToolTipTimeout); setTimeout(() => { removeToolTipsBind(); }, this.data.timeout); }; let removeToolTipsBind = () => { document.removeEventListener("TREE_CREATED", addToolTipTimeout); this.el.removeEventListener('triggerup', removeToolTipsBind); this.removeToolTips(); }; let addToolTips = () => { let loader = new THREE.TextureLoader(); loader.load("./static/img/toot_tip_"+this.data.hand+".png", (texture) => { this.sprite = texture; this.sprite.wrapS = THREE.RepeatWrapping; this.sprite.wrapT = THREE.RepeatWrapping; this.sprite.repeat.set( 1/this.tilesIncX, 1/this.tilesIncY ); let material = new THREE.MeshBasicMaterial({ map: this.sprite, side: THREE.DoubleSide }); let geometry = new THREE.PlaneGeometry( 0.1, 0.05, 1 ); this.tooltip = new THREE.Mesh(geometry, material); this.tooltip.rotation.x = THREE.Math.degToRad(-90); this.tooltip.position.x = (this.data.hand==="right") ? -0.085 : 0.085; this.tooltip.position.z = 0.075; this.el.object3D.add(this.tooltip); }); // timeout required due to triggerup firing prematurely setTimeout(() => { this.el.addEventListener('triggerup', removeToolTipsBind); if(this.isTreeCreated()){ addToolTipTimeout(); } else { document.addEventListener("TREE_CREATED", addToolTipTimeout); } }); }; // adds tooltips once object 3d is ready let checkForToolTips = () => { if(this.el.object3D) { addToolTips(); return; } requestAnimationFrame(checkForToolTips); }; checkForToolTips(); }, removeToolTips: function() { if(!this.tooltip) { return; } this.el.object3D.remove(this.tooltip); this.el.removeAttribute("tool-tips"); }, pause: function() { }, tick: function() { if(!this.tooltip) { return; } this.currentTime += (1000 * this.clock.getDelta()); while (this.currentTime > this.tileTime) { this.currentTime -= this.tileTime; this.currentTile++; if (this.currentTile == this.totalTiles){ this.currentTile = 0; } this.sprite.offset.x = Math.floor( this.currentTile / this.tilesIncX ) / this.tilesIncX; this.sprite.offset.y = ( this.currentTile % this.tilesIncX ) / this.tilesIncY; } }, isTreeCreated: function() { return this.el.sceneEl.systems.tree.isTreeCreated; } }); ================================================ FILE: js/components/touch-color.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { getViewerType, getParameterByName } from '../util' import { ControllerColors } from '../core/colors'; import TWEEN from 'tween.js'; const getComponentProperty = AFRAME.utils.entity.getComponentProperty; const setComponentProperty = AFRAME.utils.entity.setComponentProperty; AFRAME.registerComponent('touch-color', { dependencies: ['tracked-controls', 'brush'], tickTween: null, trackPosStart: null, trackPos: null, prevTrackPos: null, disc: null, rotationChange: 0, totalTicks: 20, ticks: null, lastTone : 4, schema: { isClockwise: { default: true }, isTracking: { default: false }, trackPos: { default: new THREE.Vector2() }, isTrackPadTouched: { default: false }, degrees: { default: 0 }, color: { type: 'string', default: 'red' }, }, init: function() { this.prevTrackPos = new THREE.Vector2(1, 1); setTimeout(() => { let material, geometry, ball; ball = this.el.object3D; if (this.el.id === "avatar") { } else { geometry = new THREE.CylinderGeometry(0.02, 0.02, 0.01, 32); material = new THREE.MeshBasicMaterial({ color: this.getColor() }); this.disc = new THREE.Mesh(geometry, material); this.disc.name = "disc"; // this.disc.rotation.x = THREE.Math.degToRad( 6 ); this.disc.position.x = 0; this.disc.position.y = 0.001; this.disc.position.z = 0.0728 - 0.025; let tick, theta; this.ticks = []; for (let i = 0; i < this.totalTicks; i++) { geometry = new THREE.CylinderGeometry(0.001, 0.001, 0.011, 12); material = new THREE.MeshBasicMaterial({ color: 0xFFFFFF }); tick = new THREE.Mesh(geometry, material); theta = i / this.totalTicks * Math.PI * 2; tick.position.x = Math.cos(theta) * 0.017; tick.position.z = Math.sin(theta) * 0.017; this.ticks.push(tick); this.disc.add(tick); } ball.add(this.disc); } }, 1); this.el.addEventListener("componentchanged", function(e) { if (e.detail.name === "grab-move") { //if the attribute changed if (e.detail.oldData.grabbing !== e.detail.newData.grabbing) { // reset the rotation detail this.rotationChange = 0; } } }); document.addEventListener("SPHERE_TEXTURE_LOADED", (event) => { this.update(); }); }, play: function() { let el = this.el; if (this.el.id === "avatar" && getParameterByName('reticle')==='true') { document.addEventListener('keyup', this.onKeyUp.bind(this)); document.addEventListener('keydown', this.onKeyDown.bind(this)); } el.addEventListener('trackpaddown', this.onTrackPadTouchStart.bind(this)); el.addEventListener('trackpadup', this.onTrackPadTouchEnd.bind(this)); el.addEventListener('touchstart', this.onTrackPadTouchStart.bind(this)); el.addEventListener('touchend', this.onTrackPadTouchEnd.bind(this)); el.addEventListener('axismove', this.onTrackPadMove.bind(this)); }, pause: function() { let el = this.el; if (this.el.id === "avatar" && getParameterByName('reticle')==='true') { document.removeEventListener('keyup', this.onKeyUp); document.removeEventListener('keydown', this.onKeyDown); } el.removeEventListener('trackpaddown', this.onTrackPadTouchStart); el.removeEventListener('trackpadup', this.onTrackPadTouchEnd); el.removeEventListener('touchstart', this.onTrackPadTouchStart); el.removeEventListener('touchend', this.onTrackPadTouchEnd); el.removeEventListener('axismove', this.onTrackPadMove); }, // 57, 48 onKeyUp: function(event) { switch (event.keyCode) { // close bracket case 32: // document.dispatchEvent(new Event("TRACKPAD_UP")); break; } }, onKeyDown: function(event) { switch (event.keyCode) { // < case 188: this.selectSound(-0.03); break; // > case 190: // this.rotateSound(1); this.selectSound(0.03); break; } }, selectSound: function(increment) { let grabComponent = getComponentProperty(this.el, "grab-move"); if (!grabComponent.isNearSphere) { return; } this.rotationChange += increment; const incrementAmount = 0.02; if (Math.abs(this.rotationChange) > incrementAmount) { this.rotationChange = this.rotationChange % incrementAmount; grabComponent.closestSphere.components.ball.note.setRotationIncrement(this.rotationChange > 0); // move the tone value let totalNotes = this.el.sceneEl.components.palette.totalNotes(); let tone = grabComponent.closestSphere.getAttribute("tone"); tone = this.rotationChange > 0 ? tone + 1 : tone - 1; tone = tone % (totalNotes); tone = (tone<0) ? (totalNotes - 1) : tone; this.lastTone = tone; grabComponent.closestSphere.setAttribute("tone", tone); } }, onTrackPadTouchStart: function(event) { this.trackPosStart = null; this.data.isTrackPadTouched = true; }, onTrackPadTouchEnd: function(event) { this.trackPosStart = null; this.data.isTrackPadTouched = false; }, onTrackPadMove: function(event) { // HACK - trackpad move is firing on trigger.x = 0 fixes this if (this.data.isTrackPadTouched === false || event.detail.axis[0] === 0) { return; } this.data.trackPos.fromArray(event.detail.axis, 0); if (this.el.hasAttribute("vive-controls")) { this.data.trackPos.y *= -1; } this.data.trackPos.normalize(); this.data.isTracking = (this.data.trackPos.distanceToSquared(this.prevTrackPos) > 0.001); if (!this.trackPosStart) { this.trackPosStart = this.data.trackPos.clone(); } let radiansA = Math.atan2(this.data.trackPos.y, this.data.trackPos.x); let radiansB = Math.atan2(this.trackPosStart.y, this.data.trackPos.x); this.data.degrees = Math.abs((radiansA - radiansB) * 180 / Math.PI); let cross = (this.prevTrackPos.x * this.data.trackPos.y) - (this.prevTrackPos.y * this.data.trackPos.x); if (cross !== 0) { this.data.isClockwise = (cross > 0); } this.prevTrackPos.copy(this.data.trackPos); if (!this.data.isTracking || !this.data.isTrackPadTouched ) { return; } this.selectSound(0.003 * (this.data.isClockwise ? 1 : -1)); this.data.trackPos.multiplyScalar(0.1); if (this.data.trackPos.lengthSq() > 0.005) { let angle = this.data.trackPos.angle() * (180 / Math.PI); let tickSeed = Math.floor((angle / 360) * this.totalTicks); let tick = this.ticks[tickSeed]; let scalar = { scale: 2 }; this.tickTween = new TWEEN.Tween({ scale: 0 }) .to({ scale: 1 }, 250) .onUpdate((percentage) => { tick.scale.x = 1 - percentage + 1; tick.scale.z = 1 - percentage + 1; }); this.tickTween.start(); } }, tick: function() { }, update: function( oldData ) { if ( !this.disc ) { return; } this.disc.material.color = this.getColor(); }, getColor: function() { return new THREE.Color( this.el.sceneEl.components.palette.controllerColors()[1] ); } }); function tweenUpdate() { requestAnimationFrame(tweenUpdate); TWEEN.update(); } tweenUpdate(); ================================================ FILE: js/components/tree.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { ShadowColor } from '../core/colors'; const getComponentProperty = AFRAME.utils.entity.getComponentProperty; const setComponentProperty = AFRAME.utils.entity.setComponentProperty; const stringify = AFRAME.utils.coordinates.stringify; AFRAME.registerSystem('tree', { tree: null, treeTimeOut:null, isTreeCreated:false, schema: { }, init: function() { document.addEventListener("TREE_CREATED", (event) => { setTimeout(() => { let balls = tree.getElementsByClassName("selectable"); }, 100); }); document.addEventListener("ON_TRIGGER_EMPTY_SPACE", (event) => { let newBallData = { id: "TEMP_NEW_SPHERE_ID", position: stringify(event.detail.controllerPos), hand: event.detail.hand, tone: event.detail.lastTone }; this.createSphere(newBallData); ga('send', 'event', "interaction", "create"); }, false); document.addEventListener("ON_DELETE", (event) => { this.deleteSphere(event.detail.closestEntity); ga('send', 'event', "interaction", "delete"); }, false); this.createTree(); }, createTree: function() { this.tree = document.createElement('a-entity'); this.tree.id = "tree"; setComponentProperty(this.tree, "position","0 0 0"); this.sceneEl.appendChild(this.tree); }, createSphere: function(ballData) { if (!ballData) throw new Error("No ball data"); let entity = document.createElement('a-entity'); entity.id = ballData.id; entity.className = "ball"; entity.className += " selectable"; this.tree.appendChild(entity); setComponentProperty(entity, "ball", {hand:ballData.hand}); setComponentProperty(entity, "tone", ballData.tone); setComponentProperty(entity, "position", ballData.position); setComponentProperty(entity, "visible", ballData.visible); setComponentProperty(entity, 'smooth-motion', 'amount:3'); setComponentProperty(entity, 'ga', true); // setComponentProperty(entity, "mixin", "obj-ball"); setComponentProperty(entity, "copresence", {uuid:ballData.uuid}); if(!this.isTreeCreated){ clearTimeout(this.treeTimeOut); this.treeTimeOut = setTimeout(() => { this.isTreeCreated = true; document.dispatchEvent(new Event("TREE_CREATED")); },0); } }, deleteSphere: function(ballData) { let entity = document.querySelector("#" + ballData.id); if (!entity) { return; } let component = getComponentProperty(entity, "ball"); // remove ball setTimeout(() => { this.tree.removeChild(entity); }, 0); }, truncateDecimals: function(number, digits) { let multiplier = Math.pow(10, digits), adjustedNum = number * multiplier, truncatedNum = Math[adjustedNum < 0 ? 'ceil' : 'floor'](adjustedNum); return truncatedNum / multiplier; }, switchRoom:function(){ this.sceneEl.systems["copresence-server"].switchRoom(); }, clear: function(){ let tree = document.querySelector("#tree"); let balls = tree.getElementsByClassName("selectable"); // delete balls on timer let setDeleteTimer = (ball, timer) => { setTimeout((event) => { this.deleteSphere(ball); },timer); }; for(let i=0; i { let radius = this.data.maxRadius; this.el.addEventListener("componentchanged", event => { if (event.detail.name === "position") { let position = event.detail.newData; if (position.z > radius) { position.z = radius; } if (position.z < -radius) { position.z = -radius; } if (position.x > radius) { position.x = radius; } if (position.x < -radius) { position.x = -radius; } setComponentProperty(this.el, "position", position); } }); }); }, play: function() { }, pause: function() { }, }); ================================================ FILE: js/core/color-set.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. export class ColorSet { constructor( background, idle, active, stem ) { this.background = new THREE.Color( background ); this.idle = new THREE.Color( idle ); this.active = new THREE.Color( active ); this.stem = new THREE.Color( stem ); } setUniforms( material ) { material.uniforms.bgColor.value = this.background; material.uniforms.idleColor.value = this.idle; material.uniforms.activeColor.value = this.active; } } ================================================ FILE: js/core/colors.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { ColorSet } from './color-set'; const BallColors = { blue: [ // bg idle active stem //spheres - yellow to orange new ColorSet( 0xFFC362, 0xFFA544, 0xFFE180, 0xFFA544 ), new ColorSet( 0xFFB564, 0xFF9746, 0xFFD382, 0xFF9746 ), new ColorSet( 0xFFA765, 0xFF8947, 0xFFC583, 0xFF8947 ), new ColorSet( 0xFF9A67, 0xFF7C49, 0xFFB885, 0xFF7C49 ), new ColorSet( 0xFF8C68, 0xFF6E4A, 0xFFAA86, 0xFF6E4A ), new ColorSet( 0xFF7E6A, 0xFF604C, 0xFF9C88, 0xFF604C ), //squares - blue to green new ColorSet( 0x49A6E5, 0x308DCC, 0x6CC9FF, 0x308DCC ), new ColorSet( 0x3AAED3, 0x2195BA, 0x5DD1F6, 0x2195BA ), new ColorSet( 0x2CB7C1, 0x139EA8, 0x4FDAE4, 0x048F99 ), new ColorSet( 0x1DBFAE, 0x04A695, 0x40E2D1, 0x04A695 ), new ColorSet( 0x0FC89C, 0x00AF83, 0x32EBBF, 0x00AF83 ), new ColorSet( 0x00D08A, 0x00B771, 0x23F3AD, 0x00B771 ), //triangles - purple to light blue new ColorSet( 0xAC44C8, 0x932AAF, 0xDE76FA, 0x982FB4 ), new ColorSet( 0xA258D3, 0x893FBA, 0xD48AFF, 0x8E44BF ), new ColorSet( 0x986DDE, 0x7F54C5, 0xCA9FFF, 0x8459CA ), new ColorSet( 0x8D81E8, 0x7468CF, 0xBFB3FF, 0x796DD4 ), new ColorSet( 0x8396F3, 0x6A7DDA, 0xB5C8FF, 0x6F82DF ), new ColorSet( 0x79AAFE, 0x6091E5, 0xABDCFF, 0x6596EA ), ], red: [ // bg idle active stem //spheres - yellow to orange new ColorSet( 0xFFC362, 0xFFA544, 0xFFE180, 0xFFA544 ), new ColorSet( 0xFFB564, 0xFF9746, 0xFFD382, 0xFF9746 ), new ColorSet( 0xFFA765, 0xFF8947, 0xFFC583, 0xFF8947 ), new ColorSet( 0xFF9A67, 0xFF7C49, 0xFFB885, 0xFF7C49 ), new ColorSet( 0xFF8C68, 0xFF6E4A, 0xFFAA86, 0xFF6E4A ), new ColorSet( 0xFF7E6A, 0xFF604C, 0xFF9C88, 0xFF604C ), //squares - blue to green new ColorSet( 0x49A6E5, 0x308DCC, 0x6CC9FF, 0x308DCC ), new ColorSet( 0x3AAED3, 0x2195BA, 0x5DD1F6, 0x2195BA ), new ColorSet( 0x2CB7C1, 0x139EA8, 0x4FDAE4, 0x048F99 ), new ColorSet( 0x1DBFAE, 0x04A695, 0x40E2D1, 0x04A695 ), new ColorSet( 0x0FC89C, 0x00AF83, 0x32EBBF, 0x00AF83 ), new ColorSet( 0x00D08A, 0x00B771, 0x23F3AD, 0x00B771 ), //triangles - purple to light blue new ColorSet( 0xAC44C8, 0x932AAF, 0xDE76FA, 0x982FB4 ), new ColorSet( 0xA258D3, 0x893FBA, 0xD48AFF, 0x8E44BF ), new ColorSet( 0x986DDE, 0x7F54C5, 0xCA9FFF, 0x8459CA ), new ColorSet( 0x8D81E8, 0x7468CF, 0xBFB3FF, 0x796DD4 ), new ColorSet( 0x8396F3, 0x6A7DDA, 0xB5C8FF, 0x6F82DF ), new ColorSet( 0x79AAFE, 0x6091E5, 0xABDCFF, 0x6596EA ), ], green: [ // bg idle active stem //spheres - yellow to orange new ColorSet( 0xFFC362, 0xFFA544, 0xFFE180, 0xFFA544 ), new ColorSet( 0xFFB564, 0xFF9746, 0xFFD382, 0xFF9746 ), new ColorSet( 0xFFA765, 0xFF8947, 0xFFC583, 0xFF8947 ), new ColorSet( 0xFF9A67, 0xFF7C49, 0xFFB885, 0xFF7C49 ), new ColorSet( 0xFF8C68, 0xFF6E4A, 0xFFAA86, 0xFF6E4A ), new ColorSet( 0xFF7E6A, 0xFF604C, 0xFF9C88, 0xFF604C ), //squares - blue to green new ColorSet( 0x49A6E5, 0x308DCC, 0x6CC9FF, 0x308DCC ), new ColorSet( 0x3AAED3, 0x2195BA, 0x5DD1F6, 0x2195BA ), new ColorSet( 0x2CB7C1, 0x139EA8, 0x4FDAE4, 0x048F99 ), new ColorSet( 0x1DBFAE, 0x04A695, 0x40E2D1, 0x04A695 ), new ColorSet( 0x0FC89C, 0x00AF83, 0x32EBBF, 0x00AF83 ), new ColorSet( 0x00D08A, 0x00B771, 0x23F3AD, 0x00B771 ), //triangles - purple to light blue new ColorSet( 0xAC44C8, 0x932AAF, 0xDE76FA, 0x982FB4 ), new ColorSet( 0xA258D3, 0x893FBA, 0xD48AFF, 0x8E44BF ), new ColorSet( 0x986DDE, 0x7F54C5, 0xCA9FFF, 0x8459CA ), new ColorSet( 0x8D81E8, 0x7468CF, 0xBFB3FF, 0x796DD4 ), new ColorSet( 0x8396F3, 0x6A7DDA, 0xB5C8FF, 0x6F82DF ), new ColorSet( 0x79AAFE, 0x6091E5, 0xABDCFF, 0x6596EA ), ], }; const ControllerColors = { // bg grain blue: [ 0x5396f2, 0x5261f2 ], red: [ 0xec4c4e, 0xc14040 ], green: [ 0x93cbc4, 0x58a868 ] }; const BgTreeColors = [ 0x827193, 0xa08293, 0xc59498 ]; const EnvColors = { floor: 0xF79F99, fog: 0xe9a69a }; const ShadowColor = 0xdf978b; const HeadsetColor = 0xE8E8E8; const HeadsetShadow = 0xAFAFAF; export { BallColors, ControllerColors, BgTreeColors, EnvColors, ShadowColor, HeadsetColor, HeadsetShadow }; ================================================ FILE: js/core/instrument.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import Tone from 'tone'; export class Instrument { constructor( data ) { const folder = data.name; const urls = {}; const filetype = Tone.Buffer.supportsType('mp3') ? 'mp3' : 'ogg'; for (let i = 0; i < data.noteCount; i++){ urls[i] = `static/audio/${folder}/${i}.${filetype}`; } this._buffers = new Tone.Buffers(urls); this.color = data.color; this.shape = data.shape; this.output = new Tone.Gain().toMaster(); this.output.gain.value = 2; } trigger(time, tone, velocity, x, y, z){ if (this._buffers.loaded){ const source = this._createSource(time, tone, velocity); const panner = this._createPanner(x, y, z); source.connect(panner); } } _createPanner(x, y, z){ const panner = Tone.context.createPanner(); panner.rolloffFactor = 2; panner.setPosition(x, y, z); panner.connect(this.output); return panner; } _createSource(time, note, velocity){ const buffer = this._buffers.get(note); const source = new Tone.BufferSource(buffer); source.start(time, 0, undefined, velocity * 0.5, 0.01); return source; } dispose(){ this.output.dispose(); } } ================================================ FILE: js/core/instruments.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { Instrument } from './instrument'; export const NoteCount = 6; export const Instruments = [ new Instrument({ name: 'percussion', color: 'blue', shape: 'circles', noteCount : NoteCount }), new Instrument({ name: 'marimba', color: 'red', shape: 'squares', noteCount : NoteCount }), new Instrument({ name: 'voice', color: 'green', shape: 'triangles', noteCount : NoteCount }), ]; export const InstrumentCount = Instruments.length; export const TotalNotes = NoteCount * InstrumentCount; ================================================ FILE: js/core/shape-data.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. const TONE_CHANNEL_MAP = [ new THREE.Vector3( 1, 0, 0 ), new THREE.Vector3( 1, 0, 0 ), new THREE.Vector3( 0, 1, 0 ), new THREE.Vector3( 0, 0, 1 ), new THREE.Vector3( 1, 0, 0 ), new THREE.Vector3( 0, 1, 0 ), new THREE.Vector3( 0, 0, 1 ) ]; export class ShapeData { constructor( layout, repeats, tone ) { this.layout = layout; this.repeats = repeats; this.tone = tone; } setUniforms( material ) { material.uniforms.spriteLayout.value = this.layout; material.uniforms.spriteRepeat.value = this.repeats; material.uniforms.spriteChannel.value = TONE_CHANNEL_MAP[ this.tone ]; material.uniforms.use567.value = this.tone > 3 ? 1.0 : 0.0; } } ================================================ FILE: js/core/shapes.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { ShapeData } from './shape-data'; export const Shapes = { 'circles': [ new ShapeData( new THREE.Vector2( 8, 4 ), new THREE.Vector2( 4, 1 ), 0 ), new ShapeData( new THREE.Vector2( 8, 4 ), new THREE.Vector2( 4, 1 ), 1 ), new ShapeData( new THREE.Vector2( 8, 4 ), new THREE.Vector2( 4, 1 ), 2 ), new ShapeData( new THREE.Vector2( 8, 4 ), new THREE.Vector2( 3, 1 ), 3 ), new ShapeData( new THREE.Vector2( 8, 4 ), new THREE.Vector2( 3, 1 ), 4 ), new ShapeData( new THREE.Vector2( 6, 6 ), new THREE.Vector2( 2, 1 ), 5 ), new ShapeData( new THREE.Vector2( 6, 6 ), new THREE.Vector2( 2, 1 ), 6 ) ], 'triangles': [ new ShapeData( new THREE.Vector2( 9, 4 ), new THREE.Vector2( 4, 1 ), 0 ), new ShapeData( new THREE.Vector2( 9, 4 ), new THREE.Vector2( 4, 1 ), 1 ), new ShapeData( new THREE.Vector2( 9, 4 ), new THREE.Vector2( 4, 1 ), 2 ), new ShapeData( new THREE.Vector2( 6, 6 ), new THREE.Vector2( 3, 1 ), 3 ), new ShapeData( new THREE.Vector2( 7, 5 ), new THREE.Vector2( 3, 1 ), 4 ), new ShapeData( new THREE.Vector2( 7, 5 ), new THREE.Vector2( 3, 1 ), 5 ), new ShapeData( new THREE.Vector2( 6, 6 ), new THREE.Vector2( 3, 1 ), 6 ) ], 'squares': [ new ShapeData( new THREE.Vector2( 2, 17 ), new THREE.Vector2( 1, 4 ), 0 ), new ShapeData( new THREE.Vector2( 2, 17 ), new THREE.Vector2( 1, 4 ), 1 ), new ShapeData( new THREE.Vector2( 3, 11 ), new THREE.Vector2( 1, 3 ), 2 ), new ShapeData( new THREE.Vector2( 3, 11 ), new THREE.Vector2( 1, 3 ), 3 ), new ShapeData( new THREE.Vector2( 3, 11 ), new THREE.Vector2( 1, 3 ), 4 ), new ShapeData( new THREE.Vector2( 3, 11 ), new THREE.Vector2( 1, 2 ), 5 ), new ShapeData( new THREE.Vector2( 3, 11 ), new THREE.Vector2( 1, 2 ), 6 ) ] }; ================================================ FILE: js/index.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // debug require('./util/trace.js'); require('./util/browserCheck.js'); // core require('aframe'); require('./ascene.js'); require('webvr-ui'); require('./components/copresence-server.js'); require('./components/headset-material.js'); require('./components/bg-tree-ring-material.js'); require('../third_party/aframe-daydream-controller-component/daydream-controller.js'); require('./components/daydream-manager.js'); require('./components/daydream-pointer.js'); require('./components/fake-light.js'); require('./components/tool-tips.js'); require('./components/controller-material.js'); // utility require('./components/quaternion.js'); require('./components/smooth-motion.js'); require('./components/controllers.js'); require('./components/haptics.js'); require('./components/ga.js'); // shaders require( './shaders/bg-tree-shader' ); require( './shaders/circle-shader' ); require( './shaders/ball-shader' ); // tree require('./components/tree.js'); require('./components/ball.js'); require('./components/background-objects.js'); // interaction require('./components/gaze.js'); require('./components/grab-move.js'); require('./components/touch-color.js'); require('./components/teleport.js'); require('./components/proximity-check.js'); require('./components/clicker.js'); require('./components/wasd-boundaries.js'); //sound require('./components/tone.js'); require('./components/palette.js'); require('./components/listener.js'); //the splash screen require('./splash'); ================================================ FILE: js/notes/note-head-cube.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { NoteHead } from './note-head'; import { RandomRange3D } from '../util/random-range-3d'; const CUBE_GEOMETRY = new THREE.BoxGeometry( 0.1, 0.1, 0.1 ); const RANDOM_ROTATION = new RandomRange3D( new THREE.Euler( -3.14, -3.14, -3.14 ), new THREE.Euler( +3.14, +3.14, +3.14 ) ); export class NoteHeadCube extends NoteHead { get geometry() { return CUBE_GEOMETRY; } get rotation() { return RANDOM_ROTATION.value; } } ================================================ FILE: js/notes/note-head-sphere.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { NoteHead } from './note-head'; import { RandomRange3D } from '../util/random-range-3d'; const CUBE_GEOMETRY = new THREE.IcosahedronGeometry( 0.05, 2 ); const RANDOM_ROTATION = new RandomRange3D( new THREE.Euler( -3.14, -3.14, -3.14 ), new THREE.Euler( +3.14, +3.14, +3.14 ) ); export class NoteHeadSphere extends NoteHead { get geometry() { return CUBE_GEOMETRY; } get rotation() { return RANDOM_ROTATION.value; } } ================================================ FILE: js/notes/note-head-tetra.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { NoteHead } from './note-head'; import { RandomRange3D } from '../util/random-range-3d'; import { Tetrahedron } from '../util/tetrahedron'; const TETRA_GEOMETRY = new Tetrahedron().geometry; const RANDOM_ROTATION = new RandomRange3D( new THREE.Euler( -0.3, -0.3, -0.3 ), new THREE.Euler( +0.3, +0.3, +0.3 ) ); export class NoteHeadTetra extends NoteHead { constructor( palette, shape ) { super( palette, shape ); // Enable flat shading this.material.extensions = { derivatives: true }; this.material.defines = { FLAT_SHADED: true }; } get geometry() { return TETRA_GEOMETRY; } get rotation() { return RANDOM_ROTATION.value; } } ================================================ FILE: js/notes/note-head.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. const stringify = AFRAME.utils.coordinates.stringify; import TWEEN from 'tween.js'; export class NoteHead { constructor( palette, shape ) { this.palette = palette; this.shape = shape; this.shader = THREE.BallShader; this.uniforms = THREE.UniformsUtils.clone( this.shader.uniforms ); this.material = new THREE.ShaderMaterial({ uniforms: this.uniforms, vertexShader: this.shader.vertexShader, fragmentShader: this.shader.fragmentShader }); this.mesh = new THREE.Mesh( this.geometry, this.material ); } setTone( value ) { this.tone = value; this.scale = ( 1 - this.tone / ( this.palette.totalNotes() - 1 ) ) * 2 + 1; this.mesh.scale.set( this.scale, this.scale, this.scale ); setTimeout( () => { let textureId = Math.floor( this.tone / this.palette.noteCount() ); let textureOrder = this.tone % this.palette.noteCount(); let textureData = ["circles","squares","triangles"][textureId]; this.palette.shapePalette( textureData )[ textureOrder ].setUniforms( this.material ); this.palette.colorPalette()[ this.tone ].setUniforms( this.material ); let texture134 = this.palette.textureSprite134( textureId ); let texture567 = this.palette.textureSprite567( textureId ); texture134.needsUpdate = true; texture567.needsUpdate = true; this.material.uniforms.map134.value = texture134; this.material.uniforms.map567.value = texture567; this.material.uniforms.lightPosition.value.copy( this.lightPosition ); },0); } highlight( event ) { this.material.uniforms.brightnessAmount.value = 0.2; } unHighlight( event ) { this.material.uniforms.brightnessAmount.value = 0.0; } hit( event, timeMs ) { // Cancel tween if it already exists if ( this.hitTween ) { this.hitTween.stop(); } this.hitPosition = event.detail.controllerPosition; this.offsetPosition = this.mesh.getWorldPosition(); if(this.hitPosition) { this.offsetPosition.sub(this.hitPosition); } this.hitVelocity = (event.detail.velocity===0) ? 1 : event.detail.velocity; this.hitTween = new TWEEN.Tween( { t: this.hitVelocity } ) .to( { t: 0 }, timeMs ) .easing( TWEEN.Easing.Elastic.Out ) .delay( event.detail.delay * 1000 ) .onUpdate( (t) => { this.updateHitTween( t ); }) .onComplete( () => { this.updateHitTween( 1 ); }); this.hitTween.start(); this.hitFrameTween = new TWEEN.Tween( { t: 0 } ) .to( { t: 1 }, timeMs*1.25 ) .easing( TWEEN.Easing.Linear.None ) .delay( event.detail.delay * 1000 ) .onUpdate( (t) => { this.material.uniforms.spriteIndex.value = Math.floor( t * 32 ); }) .onComplete( () => { this.material.uniforms.spriteIndex.value = Math.floor( 1 * 32 ); }); this.hitFrameTween.start(); } updateHitTween( t ) { let s = ( 1 - t ) * this.hitVelocity + this.scale; this.mesh.scale.set( s, s, s ); this.material.uniforms.activeAmount.value = 1 - t; if(this.hitPosition) { let p = ( 1 - t ); this.mesh.position.x = this.offsetPosition.x*p*this.hitVelocity; this.mesh.position.y = this.offsetPosition.y*p*this.hitVelocity; } } get geometry() { } get rotation() { } } ================================================ FILE: js/notes/note-shadow-cube.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { NoteShadow } from './note-shadow'; import { ShadowColor } from '../core/colors'; const SHADOW_MATERIAL = new THREE.MeshBasicMaterial({ color: ShadowColor }); export class NoteShadowCube extends NoteShadow { update() { super.update(); this.mesh.scale.setY( Number.EPSILON ); } get geometry() { var cubeGeometry = new THREE.BoxGeometry( 0.1, 0.1, 0.1 ); cubeGeometry.applyMatrix( this.headMesh.matrix ); cubeGeometry.scale( 0.55, 0.55, 0.55 ); return cubeGeometry; } get material() { return SHADOW_MATERIAL; } } ================================================ FILE: js/notes/note-shadow-sphere.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { NoteShadow } from './note-shadow'; const SHADOW_GEOMETRY = new THREE.PlaneGeometry( 0.1, 0.1 ); const SHADOW_SHADER = THREE.CircleShader; const SHADOW_UNIFORMS = THREE.UniformsUtils.clone( SHADOW_SHADER.uniforms ); const SHADOW_MATERIAL = new THREE.ShaderMaterial({ uniforms: SHADOW_UNIFORMS, vertexShader: SHADOW_SHADER.vertexShader, fragmentShader: SHADOW_SHADER.fragmentShader }); export class NoteShadowSphere extends NoteShadow { constructor( headMesh ) { super( headMesh ); this.mesh.rotation.x -= Math.PI / 2; } get geometry() { return SHADOW_GEOMETRY; } get material() { return SHADOW_MATERIAL; } } ================================================ FILE: js/notes/note-shadow-tetra.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { NoteShadow } from './note-shadow'; import { ShadowColor } from '../core/colors'; import { Tetrahedron } from '../util/tetrahedron'; const TETRA_GEOMETRY = new Tetrahedron().geometry; const SHADOW_MATERIAL = new THREE.MeshBasicMaterial({ color: ShadowColor }); export class NoteShadowTetra extends NoteShadow { update() { super.update(); this.mesh.scale.setY( Number.EPSILON ); } get geometry() { var tetraGeometry = TETRA_GEOMETRY.clone(); tetraGeometry.applyMatrix( this.headMesh.matrix ); return tetraGeometry; } get material() { return SHADOW_MATERIAL; } } ================================================ FILE: js/notes/note-shadow.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. const SHADOW_SIZE = 1.05; const SHADOW_GROUND_CLEARANCE = 0.01; export class NoteShadow { constructor( headMesh, rotation ) { this.headMesh = headMesh; this.headMesh.updateMatrix(); this.headMesh.updateMatrixWorld( true ); this.rotation = rotation; this.mesh = new THREE.Mesh( this.geometry, this.material ); } update() { var worldZeroVector = new THREE.Vector3( 0, 0, 0 ); this.mesh.parent.worldToLocal( worldZeroVector ); this.mesh.position.setY( worldZeroVector.y + SHADOW_GROUND_CLEARANCE ); this.mesh.scale.copy( this.headMesh.scale ); this.mesh.scale.multiplyScalar( SHADOW_SIZE ); } get geometry() { } get material() { } } ================================================ FILE: js/notes/note-stem.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. const STEM_GEOMETRY = new THREE.CylinderGeometry( 0.005, 0.01, 1, 5 ); export class NoteStem { constructor( palette ) { this.palette = palette; this.material = new THREE.MeshBasicMaterial(); var stemMesh = new THREE.Mesh( STEM_GEOMETRY, this.material ); stemMesh.position.y = -0.5; this.mesh = new THREE.Group(); this.mesh.add( stemMesh ); } setTone( value ) { this.tone = value; this.material.color = this.palette.colorPalette()[ this.tone ].idle; this.material.update(); } update() { var worldZeroVector = new THREE.Vector3( 0, 0, 0 ); this.mesh.parent.worldToLocal( worldZeroVector ); this.mesh.position.setY( worldZeroVector.y ); this.mesh.scale.setY( worldZeroVector.y ); } hit() { } } ================================================ FILE: js/notes/note.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { NoteHeadSphere } from './note-head-sphere'; import { NoteHeadTetra } from './note-head-tetra'; import { NoteHeadCube } from './note-head-cube'; import { NoteShadowSphere } from './note-shadow-sphere'; import { NoteShadowTetra } from './note-shadow-tetra'; import { NoteShadowCube } from './note-shadow-cube'; const HIT_ANIM_MS = 750; const SHAPE_NAMES = [ 'sphere', 'cube', 'tetra' ]; const HEAD_CONSTRUCTORS = { sphere: NoteHeadSphere, tetra: NoteHeadTetra, cube: NoteHeadCube }; const SHADOW_CONSTRUCTORS = { sphere: NoteShadowSphere, tetra: NoteShadowTetra, cube: NoteShadowCube }; export class Note { constructor( palette ) { this.group = new THREE.Group(); this.palette = palette; } setTone( value ) { this.tone = value; // Remove old note objects if ( this.head ) this.group.remove( this.head.mesh ); if ( this.shadow ) this.group.remove( this.shadow.mesh ); // Create new head object this.head = new ( HEAD_CONSTRUCTORS[ this.shape ] )( this.palette, this.shape ); this.head.name = "head"; this.head.lightPosition = this.lightPosition; this.head.setTone( this.tone ); // Store first random rotation value if ( !this.rotation ) { this.rotation = new THREE.Euler(); this.rotation.copy( this.head.rotation ); } // Reset head mesh rotation this.head.mesh.rotation.copy( this.rotation ); // Create new shadow object this.shadow = new ( SHADOW_CONSTRUCTORS[ this.shape ] )( this.head.mesh, this.rotation ); // Add 'em up this.group.add( this.head.mesh ); this.group.add( this.shadow.mesh ); } setRotationIncrement(isClockwise=false) { let rotationAxis = new THREE.Vector3(0,1,0); let rotationAmount = Math.PI * 2 * (isClockwise ? 0.03 : -0.03); let deltaMatrix = new THREE.Matrix4(); deltaMatrix.makeRotationAxis(rotationAxis, rotationAmount ); let rotationMatrix = new THREE.Matrix4().makeRotationFromEuler(this.rotation); rotationMatrix.multiplyMatrices(deltaMatrix,rotationMatrix); deltaMatrix.extractRotation(rotationMatrix); this.rotation.setFromRotationMatrix(deltaMatrix); } removeShadow(){ if ( this.shadow ) { this.group.remove( this.shadow.mesh ); delete this.shadow; this.shadow = null; } } tick() { if(this.shadow) { this.shadow.update(); } } highlight( event ) { this.head.highlight( event ); } unHighlight( event ) { this.head.unHighlight( event ); } hit( event ) { this.head.hit( event, HIT_ANIM_MS ); } get shape() { return SHAPE_NAMES[ Math.floor( this.tone / this.palette.noteCount() ) ]; } } ================================================ FILE: js/orientation-arm-model.js ================================================ /* * Copyright 2016 Google Inc. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const HEAD_ELBOW_OFFSET = new THREE.Vector3(0.155, -0.465, -0.15); const ELBOW_WRIST_OFFSET = new THREE.Vector3(0, 0, -0.25); const WRIST_CONTROLLER_OFFSET = new THREE.Vector3(0, 0, 0.05); const ARM_EXTENSION_OFFSET = new THREE.Vector3(-0.08, 0.14, 0.08); const ELBOW_BEND_RATIO = 0.4; // 40% elbow, 60% wrist. const EXTENSION_RATIO_WEIGHT = 0.4; const MIN_ANGULAR_SPEED = 0.61; // 35 degrees per second (in radians). /** * Represents the arm model for the Daydream controller. Feed it a camera and * the controller. Update it on a RAF. * * Get the model's pose using getPose(). */ export default class OrientationArmModel { constructor() { this.isLeftHanded = false; // Current and previous controller orientations. this.controllerQ = new THREE.Quaternion(); this.lastControllerQ = new THREE.Quaternion(); // Current and previous head orientations. this.headQ = new THREE.Quaternion(); // Current head position. this.headPos = new THREE.Vector3(); // Positions of other joints (mostly for debugging). this.elbowPos = new THREE.Vector3(); this.wristPos = new THREE.Vector3(); // Current and previous times the model was updated. this.time = null; this.lastTime = null; // Root rotation. this.rootQ = new THREE.Quaternion(); // Current pose that this arm model calculates. this.pose = { orientation: new THREE.Quaternion(), position: new THREE.Vector3() }; } /** * Methods to set controller and head pose (in world coordinates). */ setControllerOrientation(quaternion) { this.lastControllerQ.copy(this.controllerQ); this.controllerQ.copy(quaternion); } setHeadOrientation(quaternion) { this.headQ.copy(quaternion); } setHeadPosition(position) { this.headPos.copy(position); } setLeftHanded(isLeftHanded) { // TODO(smus): Implement me! this.isLeftHanded = isLeftHanded; } /** * Called on a RAF. */ update() { this.time = performance.now(); // If the controller's angular velocity is above a certain amount, we can // assume torso rotation and move the elbow joint relative to the // camera orientation. let headYawQ = this.getHeadYawOrientation_(); let timeDelta = (this.time - this.lastTime) / 1000; let angleDelta = this.quatAngle_(this.lastControllerQ, this.controllerQ); let controllerAngularSpeed = angleDelta / timeDelta; if (controllerAngularSpeed > MIN_ANGULAR_SPEED) { // Attenuate the Root rotation slightly. this.rootQ.slerp(headYawQ, angleDelta / 10); } else { this.rootQ.copy(headYawQ); } // We want to move the elbow up and to the center as the user points the // controller upwards, so that they can easily see the controller and its // tool tips. let controllerEuler = new THREE.Euler().setFromQuaternion(this.controllerQ, 'YXZ'); let controllerXDeg = THREE.Math.radToDeg(controllerEuler.x); let extensionRatio = this.clamp_((controllerXDeg - 11) / (50 - 11), 0, 1); // Controller orientation in camera space. let controllerCameraQ = this.rootQ.clone().inverse(); controllerCameraQ.multiply(this.controllerQ); // Calculate elbow position. let elbowPos = this.elbowPos; elbowPos.copy(this.headPos).add(HEAD_ELBOW_OFFSET); let elbowOffset = new THREE.Vector3().copy(ARM_EXTENSION_OFFSET); elbowOffset.multiplyScalar(extensionRatio); elbowPos.add(elbowOffset); // Calculate joint angles. Generally 40% of rotation applied to elbow, 60% // to wrist, but if controller is raised higher, more rotation comes from // the wrist. let totalAngle = this.quatAngle_(controllerCameraQ, new THREE.Quaternion()); let totalAngleDeg = THREE.Math.radToDeg(totalAngle); let lerpSuppression = 1 - Math.pow(totalAngleDeg / 180, 4); // TODO(smus): ??? let elbowRatio = ELBOW_BEND_RATIO; let wristRatio = 1 - ELBOW_BEND_RATIO; let lerpValue = lerpSuppression * (elbowRatio + wristRatio * extensionRatio * EXTENSION_RATIO_WEIGHT); let wristQ = new THREE.Quaternion().slerp(controllerCameraQ, lerpValue); let invWristQ = wristQ.inverse(); let elbowQ = controllerCameraQ.clone().multiply(invWristQ); // Calculate our final controller position based on all our joint rotations // and lengths. /* position_ = root_rot_ * ( controller_root_offset_ + 2: (arm_extension_ * amt_extension) + 1: elbow_rot * (kControllerForearm + (wrist_rot * kControllerPosition)) ); */ let wristPos = this.wristPos; wristPos.copy(WRIST_CONTROLLER_OFFSET); wristPos.applyQuaternion(wristQ); wristPos.add(ELBOW_WRIST_OFFSET); wristPos.applyQuaternion(elbowQ); wristPos.add(this.elbowPos); let offset = new THREE.Vector3().copy(ARM_EXTENSION_OFFSET); offset.multiplyScalar(extensionRatio); let position = new THREE.Vector3().copy(this.wristPos); position.add(offset); position.applyQuaternion(this.rootQ); let orientation = new THREE.Quaternion().copy(this.controllerQ); // Set the resulting pose orientation and position. this.pose.orientation.copy(orientation); this.pose.position.copy(position); this.lastTime = this.time; } /** * Returns the pose calculated by the model. */ getPose() { return this.pose; } /** * Debug methods for rendering the arm model. */ getForearmLength() { return ELBOW_WRIST_OFFSET.length(); } getElbowPosition() { let out = this.elbowPos.clone(); return out.applyQuaternion(this.rootQ); } getWristPosition() { let out = this.wristPos.clone(); return out.applyQuaternion(this.rootQ); } getHeadYawOrientation_() { let headEuler = new THREE.Euler().setFromQuaternion(this.headQ, 'YXZ'); headEuler.x = 0; headEuler.z = 0; let destinationQ = new THREE.Quaternion().setFromEuler(headEuler); return destinationQ; } clamp_(value, min, max) { return Math.min(Math.max(value, min), max); } quatAngle_(q1, q2) { let vec1 = new THREE.Vector3(0, 0, -1); let vec2 = new THREE.Vector3(0, 0, -1); vec1.applyQuaternion(q1); vec2.applyQuaternion(q2); return vec1.angleTo(vec2); } } ================================================ FILE: js/shaders/ball-shader.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { CommonUniforms, ToonVertex, ToonFragUniforms, ToonFragCommon, ToonFragLighting } from './shader-chunks'; THREE.BallShader = { uniforms: THREE.UniformsUtils.merge([ CommonUniforms, { map134: { type: 't' }, map567: { type: 't' }, use567: { value: 0.0 }, spriteLayout: { value: new THREE.Vector2( 8, 4 ) }, spriteRepeat: { value: new THREE.Vector2( 5, 1 ) }, spriteChannel: { value: new THREE.Vector3( 1, 0, 0 ) }, spriteIndex: { value: 0 }, bgColor: { value: new THREE.Color( 'rgb( 53, 101, 190 )' ) }, idleColor: { value: new THREE.Color( 'rgb( 0, 55, 182 )' ) }, activeColor: { value: new THREE.Color( 'rgb( 0, 130, 237 )' ) }, activeAmount: { value: 0 }, brightnessAmount: { value: 0.0 } } ]), vertexShader: ToonVertex, fragmentShader: [ ToonFragUniforms, 'uniform sampler2D map134;', 'uniform sampler2D map567;', 'uniform float use567;', 'uniform vec2 spriteLayout;', 'uniform vec2 spriteRepeat;', 'uniform vec3 spriteChannel;', 'uniform float spriteIndex;', 'uniform vec3 bgColor;', 'uniform vec3 idleColor;', 'uniform vec3 activeColor;', 'uniform float activeAmount;', 'uniform float brightnessAmount;', 'void main() {', ToonFragLighting, 'vec2 uvSpriteOffset = vec2( 0.0 );', 'uvSpriteOffset.x = floor( mod( spriteIndex, spriteLayout.x ) );', 'uvSpriteOffset.y = -floor( spriteIndex / spriteLayout.x ) - 1.0;', 'uvSpriteOffset /= spriteLayout;', 'vec2 uvSize = 1.0 / spriteLayout;', 'vec2 vUvSprite = vUv;', 'vUvSprite.y = vUvSprite.y + spriteLayout.y - 1.0;', 'vUvSprite = mod( vUvSprite * uvSize * spriteRepeat, uvSize ) + uvSpriteOffset;', 'vec3 tex134 = texture2D( map134, vUvSprite ).rgb;', 'vec3 tex567 = texture2D( map567, vUvSprite ).rgb;', 'vec3 a = mix( tex134, tex567, use567 );', 'vec3 color = mix( idleColor, activeColor, activeAmount );', 'diffuseColor = vec4( mix( bgColor, color, length( a * spriteChannel ) ) + brightnessAmount, 1.0 );', ToonFragCommon, '}' ].join( '\n' ) }; ================================================ FILE: js/shaders/bg-tree-shader.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { BgTreeColors, ShadowColor } from '../core/colors'; THREE.BGTreeShader = { uniforms: { map: { type: 't' }, fogColor: { type: 'c' }, fogDensity: { value: 0 }, color: { type: 'c', value: new THREE.Color( BgTreeColors[ 0 ] ) }, shadowColor: { type: 'c', value: new THREE.Color( ShadowColor ) } }, vertexShader: [ 'varying vec2 vUV;', 'varying float fogDepth;', 'void main() {', 'vUV = uv;', 'vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );', 'fogDepth = -mvPosition.z;', 'gl_Position = projectionMatrix * mvPosition;', '}' ].join( '\n' ), fragmentShader: [ '#define LOG2 1.442695', 'uniform vec3 color;', 'uniform vec3 shadowColor;', 'uniform sampler2D map;', 'uniform float fogDensity;', 'uniform vec3 fogColor;', 'varying float fogDepth;', 'varying vec2 vUV;', 'void main() {', 'vec3 c = vUV.y > 0.5 ? color : shadowColor;', 'vec3 t = texture2D( map, vUV ).rgb;', 'if ( t.r < 0.5 ) discard;', 'float fogFactor = 1.0 - saturate( ( exp2( -fogDensity * fogDensity * fogDepth * fogDepth * LOG2 ) ) );', 'gl_FragColor = vec4( mix( t * c, fogColor, fogFactor ), 1.0 );', '}' ].join( '\n' ) }; ================================================ FILE: js/shaders/circle-shader.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { ShadowColor } from '../core/colors'; import { BasicVertex } from './shader-chunks'; THREE.CircleShader = { uniforms: { radius: { type: 'f', value: 0.5 }, color: { type: 'c', value: new THREE.Color( ShadowColor ) } }, vertexShader: BasicVertex, fragmentShader: [ 'uniform float radius;', 'uniform vec3 color;', 'varying vec2 vUV;', 'void main() {', 'if ( length( vUV - 0.5 ) > radius ) discard;', 'gl_FragColor = vec4( color, 1.0 );', '}' ].join( '\n' ) }; ================================================ FILE: js/shaders/shader-chunks.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. const CommonUniforms = { lightPosition: { value: new THREE.Vector3( 3, 10, 1 ) }, lightIntensity: { value: 1.15 }, shadeAmount: { value: 0.55 } }; const BasicVertex = [ 'varying vec2 vUV;', 'void main() {', 'vUV = uv;', 'gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );', '}' ].join( '\n' ); const ToonVertex = [ 'varying vec4 vWorldPosition;', 'varying vec3 vNormal;', 'varying vec2 vUv;', 'void main() {', 'vUv = uv;', // World-space normal 'vNormal = normalize ( mat3( modelMatrix[0].xyz, modelMatrix[1].xyz, modelMatrix[2].xyz ) * normal );', 'vec3 transformed = vec3( position );', 'vec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );', 'gl_Position = projectionMatrix * mvPosition;', 'vWorldPosition = modelMatrix * vec4( position, 1.0 );', '}' ].join( '\n' ); const ToonFragUniforms = [ 'uniform float lightIntensity;', 'uniform float shadeAmount;', 'uniform vec3 lightPosition;', 'uniform sampler2D gradientMap;', 'varying vec4 vWorldPosition;', 'varying vec3 vNormal;', 'varying vec2 vUv;', ].join( '\n' ); const ToonFragLighting = [ '#ifdef FLAT_SHADED', // TODO: do this in the vertex shader for speeeeeed 'vec3 fdx = vec3( dFdx( vWorldPosition.x ), dFdx( vWorldPosition.y ), dFdx( vWorldPosition.z ) );', 'vec3 fdy = vec3( dFdy( vWorldPosition.x ), dFdy( vWorldPosition.y ), dFdy( vWorldPosition.z ) );', 'vec3 normal = normalize( cross( fdx, fdy ) );', '#else', 'vec3 normal = normalize( vNormal );', '#endif', // The usual Lambertian stuff 'vec3 lightDirection = normalize( lightPosition - vWorldPosition.xyz );', 'float dotNL = max( dot( normal, lightDirection ), 0.0 ) * 0.5 + 0.5;', // Clamp for a shaded toon look 'float toonIrradience = ( dotNL < shadeAmount ) ? 0.7 * lightIntensity : 1.0;', 'vec4 diffuseColor = vec4( 0.0 );', ].join( '\n' ); const ToonFragCommon = [ 'gl_FragColor = vec4( diffuseColor.rgb * toonIrradience, diffuseColor.a );', ].join( '\n' ); export { CommonUniforms, BasicVertex, ToonVertex, ToonFragUniforms, ToonFragCommon, ToonFragLighting }; ================================================ FILE: js/splash.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the 'License'); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an 'AS IS' BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import TWEEN from 'tween.js'; import StartAudioContext from 'startaudiocontext'; import Tone from 'tone'; import { getParameterByName, getViewerType } from './util'; const getComponentProperty = AFRAME.utils.entity.getComponentProperty; const setComponentProperty = AFRAME.utils.entity.setComponentProperty; const stringify = AFRAME.utils.coordinates.stringify; AFRAME.registerComponent('splash', { flyTweenPosition:undefined, flyTweenRotation:undefined, isFirstTime:true, viewer : false, mode:undefined, camPos:{ x:0, y:0, z:0 }, init(){ if(WebVRConfig){ WebVRConfig.CARDBOARD_UI_DISABLED = false; WebVRConfig.ENABLE_DEPRECATED_API = true; WebVRConfig.ROTATE_INSTRUCTIONS_DISABLED = false; } }, play(){ this._splashEl = document.querySelector('#splash'); this._splashEl.querySelector('#enterButton').appendChild(document.querySelector('.webvr-ui-button')); // listen for enter vr this.el.addEventListener('enter-vr', () => this._entered('vr')); this.el.addEventListener('exit-vr', () => this._exited()); // start audio context StartAudioContext(Tone.context, ['.webvr-ui-button', '#enter-360']); // Connect to server on loaded if( getParameterByName('autojoin') ){ setTimeout(() => this._entered('360'), 1000); } // add's editing capbaility on desktop if( getParameterByName('reticle')==='true' ){ let avatar = document.querySelector('#avatar'); setComponentProperty(avatar,'grab-move', ''); } let displayId; //send analytics events let enterVRButton = this.el.components['webvr-ui'].enterVR; enterVRButton.on('error', (e)=>{ ga('send', 'event', 'device', 'error', e); }).on('ready', ()=>{ enterVRButton.getVRDisplay().then((disp)=>{ displayId = disp.displayId; ga('send', 'event', 'device', 'ready', disp.displayName); }); }); window.addEventListener('gamepadconnected', (e)=>{ let gamepads = navigator.getGamepads(); for (let i = 0; i < gamepads.length; ++i) { if(gamepads[i]){ // if(gamepads[i] && gamepads[i].displayId == displayId){ ga('send', 'event', 'gamepad', 'ready', gamepads[i].id); } } }); this._progressBar(); }, _progressBar(){ const promises = []; let asset; for(let i=0; i { asset.addEventListener('loaded', done); })); } } promises.push(new Promise(done => { Tone.Buffer.on('load', done); })); this._allLoaded(); }, _allLoaded(){ // let avatar = document.querySelector('#avatar'); let camera = document.querySelector('a-entity[camera]'); let concater = function(obj) { Object.keys(obj).forEach( key => { obj[key] = ((obj[key]*100) | 0) / 100; }); return JSON.stringify(obj); }; /* * HACK: position is stored to counteract height issues * associated with Oculus's relative position data * using componentchanged instead of EXIT VR */ camera.addEventListener('componentchanged', (event) => { if ( event.detail.name === 'position' || event.detail.name === 'rotation' ) { let pos = getComponentProperty(camera,'position'); if (pos.y !== 1.6 && pos.y !== 0){ this.camPos.x = pos.x; this.camPos.y = pos.y; this.camPos.z = pos.z; } } }); this._splashEl.querySelector('#enter-container').classList.add('loaded'); this._splashEl.querySelector('#enter-360').addEventListener('click', () => this._entered('360')); let treeCreatedEvent = (event) => { document.removeEventListener('TREE_CREATED', treeCreatedEvent); this._animateToTree(); }; document.addEventListener('TREE_CREATED', treeCreatedEvent); }, _animateToTree(){ const player = document.querySelector('#player'); const avatar = document.querySelector('#avatar'); const camera = document.querySelector('a-entity[camera]'); const delay = 500; const speed = 1000; let position = getComponentProperty(player,'position'); let rotation = getComponentProperty(player,'rotation'); let isTabletWindow = this.isTabletLikeDimensions() && this.isTouchDevice() && this.mode === '360'; let isTabletVR = this.isTabletLikeDimensions() && this.isTouchDevice() && this.mode === 'vr'; let isDesktop = this.mode === '360' && !AFRAME.utils.device.isMobile(); let y = (isDesktop) ? 1.6: 0; y = (isTabletWindow) ? 0: y; const z = this.viewer ? 1.5 : 0; this.flyTweenPosition = new TWEEN.Tween(position) .to({ x:0, y:y, z:z }, speed) .delay(delay) .easing(TWEEN.Easing.Quadratic.InOut) .onUpdate(() => player.setAttribute('position', position)); this.flyTweenRotation = new TWEEN.Tween(rotation) .to({ x:0, y: 0, z: 0 }, speed) .delay(delay) .easing(TWEEN.Easing.Quadratic.InOut) .onUpdate(() => player.setAttribute('rotation', rotation)) .onComplete(() => { this.isFirstTime = false; document.dispatchEvent(new Event('INTRO_COMPLETED')); }); if (this.flyTweenPosition) { this.flyTweenPosition.stop(); } if (this.flyTweenRotation) { this.flyTweenRotation.stop(); } this.flyTweenPosition.start(); this.flyTweenRotation.start(); }, _exited(){ this._splashEl.classList.remove('invisible'); document.dispatchEvent(new Event('EXITED_FOREST')); this.removeCardBoardInstructions(); this.mode = undefined; }, _entered(mode){ this.mode = mode; this.addCardBoardInstructions(); if(this.mode === '360') { this.viewer = true; ga('send', 'event', 'clickable_link', 'splash_page', 'enter_360'); } else { ga('send', 'event', 'clickable_link', 'splash_page', 'enter_VR'); } let player = document.querySelector('#player'); let avatar = document.querySelector('#avatar'); let camera = document.querySelector('a-entity[camera]'); if(!this.isFirstTime && !AFRAME.utils.device.isMobile()){ setComponentProperty(player,'position', '0 0 0'); setComponentProperty(avatar,'position', this.camPos); setComponentProperty(camera,'position', this.camPos); } else if (!this.isFirstTime){ setComponentProperty(player,'position', '0 0 0'); setComponentProperty(avatar,'position', '0 1.6 0'); setComponentProperty(camera,'position', '0 1.6 0'); } this.el.removeEventListener('enter-vr', () => this._entered()); this._splashEl.querySelector('#enter-360').removeEventListener('click', () => this._entered()); this._splashEl.classList.add('invisible'); this.el.sceneEl.systems['copresence-server'].connectToServer(); // add ux based on device getViewerType((clientType) => { this._setSceneParameters({ clientType: clientType, mode: this.mode, isMobile: AFRAME.utils.device.isMobile(), }); document.dispatchEvent(new Event('ENTERED_FOREST')); }); }, _setSceneParameters(params){ let avatar = document.querySelector('#avatar'); let player = document.querySelector('#player'); let camera = document.querySelector('a-entity[camera]'); let floor = document.querySelector('#gaze-floor'); let floorStatic = document.querySelector('#floorStatic'); let skyStatic = document.querySelector('#skyStatic'); let isTabletWindow = this.isTabletLikeDimensions() && this.isTouchDevice() && this.mode === '360'; let isTabletVR = this.isTabletLikeDimensions() && this.isTouchDevice() && this.mode === 'vr'; let is6DOF = params.clientType === '6dof'; let isDesktop = params.clientType === 'viewer' && !params.isMobile; let is3DOF = params.clientType === '3dof'; let isMagicWindow = params.isMobile && this.mode === '360'; let isCardBoard = params.isMobile && this.mode === 'vr'; if(isTabletVR){ setComponentProperty(avatar, 'position', '0 1.6 0'); setComponentProperty(floor,'teleport', ''); setComponentProperty(avatar,'look-controls', ''); setComponentProperty(avatar,'clicker', ''); } else if(isTabletWindow){ setComponentProperty(avatar, 'position', '0 1.6 0'); setComponentProperty(avatar, 'rotation', '-35 0 0'); setComponentProperty(floor,'teleport', ''); setComponentProperty(avatar,'look-controls', ''); setComponentProperty(avatar,'clicker', ''); } else if(is6DOF){ setComponentProperty(avatar,'look-controls', ''); setComponentProperty(avatar,'clicker', ''); setComponentProperty(floorStatic,'material', 'shader: flat; color: #e9a69a;'); } else if (isDesktop){ setComponentProperty(avatar, 'camera', 'userHeight:0.0'); setComponentProperty(player,'look-controls', ''); setComponentProperty(player,'wasd-controls', 'acceleration:35; easing:25;'); setComponentProperty(player,'wasd-boundaries', 'maxRadius:3.125;'); setComponentProperty(avatar,'clicker', ''); setComponentProperty(floorStatic,'material', 'shader: flat; color: #e9a69a;'); } else if (is3DOF) { setComponentProperty(floor,'teleport', ''); setComponentProperty(avatar,'look-controls', ''); setComponentProperty(avatar,'clicker', ''); } else if (isMagicWindow){ this.removeCardBoardInstructions(); setComponentProperty(floor, 'teleport', ''); setComponentProperty(avatar,'look-controls', ''); setComponentProperty(avatar,'clicker', ''); } else if (isCardBoard){ setComponentProperty(floor, 'teleport', ''); setComponentProperty(avatar,'look-controls', ''); } else { } }, removeCardBoardInstructions(){ let cardboard = document.querySelector("#cardboard"); if(cardboard) { cardboard.remove(); } }, addCardBoardInstructions(){ if(AFRAME.utils.device.isMobile() && this.mode === 'vr'){ let cardboard = document.createElement('div'); cardboard.id = 'cardboard'; document.body.appendChild(cardboard); // createElement let container = document.createElement('div'); container.id = 'cardboardContainer'; cardboard.appendChild(container); let img = document.createElement("img"); img.id = "img"; img.src = `/static/img/cardboardInstructions.gif`; container.appendChild(img); let p = document.createElement("p"); p.innerHTML = 'Place your phone into your default viewer

'; container.appendChild(p); let p2 = document.createElement("p"); p2.innerHTML = 'No Cardboard viewer?'; container.appendChild(p2); let b = document.createElement("button"); b.innerHTML = `GET ONE`; container.appendChild(b); b.addEventListener("click", () => { window.open("https://vr.google.com/cardboard/get-cardboard/", '_blank'); }); } }, isTabletLikeDimensions() { let w = screen.availWidth; let h = screen.availHeight; return ( ( (w > h) ? w : h ) >= 960 ); }, isTouchDevice() { return 'ontouchstart' in window || navigator.maxTouchPoints; // works on most browsers || works on IE10/11 and Surface }, }); function tweenUpdate() { requestAnimationFrame(tweenUpdate); TWEEN.update(); } tweenUpdate(); (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,'script','https://www.google-analytics.com/analytics.js','ga'); ga('create', 'UA-90331006-2', 'auto'); ga('send', 'pageview'); let aboutBTN = document.getElementById('about-button'); let about = document.getElementById('about'); aboutBTN.addEventListener('click', () => { about.classList.add('visible'); aboutBTN.classList.remove('visible'); ga('send', 'event', 'clickable_link', 'splash_page', 'show_info'); }); about.addEventListener('click', () => { about.classList.remove('visible'); aboutBTN.classList.add('visible'); }); ================================================ FILE: js/util/browserCheck.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { showErrorMessage } from '../util'; if(navigator.userAgent.indexOf('MSIE')!==-1 || navigator.appVersion.indexOf('Trident/') > 0) { showErrorMessage("error_shake.gif", "Your browser is not supported","Download Chrome","http://www.google.com/chrome"); } ================================================ FILE: js/util/random-range-1d.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. export class RandomRange { constructor( min, max ) { this.min = min; this.max = max; } get [ 'value' ]() { return Math.random() * ( this.max - this.min ) + this.min; } } ================================================ FILE: js/util/random-range-3d.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { RandomRange } from './random-range-1d'; export class RandomRange3D { constructor( min, max ) { this.type = min.constructor; this.range3D = { x: new RandomRange( min.x, max.x ), y: new RandomRange( min.y, max.y ), z: new RandomRange( min.z, max.z ) }; } get x() { return this.range3D.x.value; } get y() { return this.range3D.y.value; } get z() { return this.range3D.z.value; } get [ 'value' ]() { return new this.type( this.x, this.y, this.z ); } } ================================================ FILE: js/util/tetrahedron.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. const X = Math.sqrt( 2 / 3 ); const Y = 1 / 3; const Z = 1 / Math.sqrt( 2 ) * ( 2 / 3); const v1 = new THREE.Vector3( -X, -Y, Z ); const v2 = new THREE.Vector3( +X, -Y, Z ); const v3 = new THREE.Vector3( 0, -Y, -Z * 2 ); const v4 = new THREE.Vector3( 0, 1, 0 ); const f1 = new THREE.Face3( 2, 1, 0 ); const f2 = new THREE.Face3( 1, 3, 0 ); const f3 = new THREE.Face3( 2, 3, 1 ); const f4 = new THREE.Face3( 0, 3, 2 ); const t1 = new THREE.Vector2( 1, 0 ); const t2 = new THREE.Vector2( 0.5, 1 ); const t3 = new THREE.Vector2( 0, 0 ); const uvs = [ [ t1, t2, t3 ], [ t1, t2, t3 ], [ t1, t2, t3 ], [ t1, t2, t3 ] ]; export class Tetrahedron { constructor() { this.geometry = new THREE.Geometry(); this.geometry.vertices.push( v1, v2, v3, v4 ); this.geometry.faces.push( f1, f2, f3, f4 ); this.geometry.faceVertexUvs = [ uvs ]; this.geometry.scale( 0.32, 0.32, 0.32 ); this.geometry.uvsNeedUpdate = true; // Compute normals automatically this.geometry.computeFaceNormals(); this.geometry.computeVertexNormals(); } } ================================================ FILE: js/util/trace.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. if (typeof console._commandLineAPI !== 'undefined') { console.API = console._commandLineAPI; //chrome } else if (typeof console._inspectorCommandLineAPI !== 'undefined') { console.API = console._inspectorCommandLineAPI; //Safari } else if (typeof console.clear !== 'undefined') { console.API = console; } window.clear = console.API.clear; window.trace = console.log; ================================================ FILE: js/util.js ================================================ // Copyright 2017 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. export function getParameterByName(name, url) { if (!url) { url = window.location.href; } name = name.replace(/[\[\]]/g, "\\$&"); let regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"), results = regex.exec(url); if (!results) return null; if (!results[2]) return ''; return decodeURIComponent(results[2].replace(/\+/g, " ")); } export function scale(value, inMin, inMax, outMin, outMax) { return ((value - inMin) / (inMax - inMin)) * (outMax - outMin) + outMin; } export function getViewerType(callBack){ navigator.getVRDisplays() .then( function( displays ) { if(displays.length>0 && displays[0].isPresenting) { if (displays[0].stageParameters === null) { callBack('3dof'); } else { callBack('6dof'); } } else { callBack('viewer'); } }) .catch( function() { callBack('viewer'); }); } export function showErrorMessage(imgURL, errorCode, cta, ctaUrl){ console.error(errorCode); let error = document.querySelector("#error"); // delete error if it already exists if(error) { error.remove(); } // createElement error = document.createElement('div'); error.id = 'error'; document.body.appendChild(error); let container = document.createElement('div'); container.id = 'errorContainer'; error.appendChild(container); let img = document.createElement("img"); img.id = "img"; img.src = `/static/img/${imgURL}`; container.appendChild(img); let p = document.createElement("p"); let notification = `${errorCode}`; p.appendChild(document.createTextNode(notification)); container.appendChild(p); let b = document.createElement("button"); b.innerHTML = `${cta}`; container.appendChild(b); b.addEventListener("click", () => { if(ctaUrl){ window.open(ctaUrl, '_blank'); } else { window.location.href = window.location.href.replace(/#.*/,'#'); error.remove(); let splash = document.querySelector('#splash'); splash.classList.remove('invisible'); } }); } window.showErrorMessage = showErrorMessage; ================================================ FILE: package.json ================================================ { "name": "webvr-musical-forest", "version": "0.0.1", "description": "", "authors": [], "scripts": { "start": "npm run build-css && npm run budo", "build": "browserify js/index.js | derequire > build/main.js", "buildmin": "browserify -g uglifyify js/index.js | derequire > build/main.js", "build-css": "node-sass --include-path scss style/splash.scss build/style.css", "budo": "budo js/index.js:build/main.js --live --verbose --port 3000", "appengine": "~/bin/google_appengine/dev_appserver.py app.yaml", "appengine_watch": "parallelshell 'npm run appengine' 'npm run watch'", "watch": "watchify js/index.js -v -d -o build/main.js", "discify": "browserify --full-paths js/index.js | derequire | discify --open" }, "repository": { "type": "git", "url": "https://github.com/googlecreativelab/webvr-musicalforest" }, "dependencies": { "aframe": "^0.5.0", "bufferutil": "^1.2.1", "domready": "^1.0.8", "envify": "^4.0.0", "image-promise": "^4.0.1", "startaudiocontext": "^1.2.0", "tone": "^0.9.0", "uglifyify": "^3.0.4", "underscore": "^1.8.3", "url-parse": "^1.1.6", "webvr-polyfill": "aframevr/webvr-polyfill", "webvr-ui": "^0.9.4" }, "devDependencies": { "babel-preset-es2015": "^6.16.0", "babel-preset-stage-2": "^6.22.0", "babelify": "^7.3.0", "browserify": "^14.0.0", "budo": "^9.4.7", "derequire": "^2.0.3", "discify": "^1.6.0", "node-sass": "^4.5.2", "parallelshell": "^2.0.0", "utf-8-validate": "^1.2.1", "watchify": "^3.7.0" }, "keywords": [ "vr", "webvr" ], "license": "Apache-2.0", "browserify": { "transform": [ [ "babelify", { "presets": [ "es2015" ] } ] ] } } ================================================ FILE: python/__init__.py ================================================ ================================================ FILE: python/base/__init__.py ================================================ ================================================ FILE: python/base/api_fixer.py ================================================ # Copyright 2014 Google Inc. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """Fixes up various popular APIs to ensure they use secure defaults.""" import __builtin__ import constants import cPickle import functools import io import json import logging import pickle import yaml from google.appengine.api import urlfetch from webapp2_extras import sessions class ApiSecurityException(Exception): """Error when attempting to call an unsafe API.""" pass def FindArgumentIndex(function, argument): args = function.func_code.co_varnames[:function.func_code.co_argcount] return args.index(argument) def GetDefaultArgument(function, argument): argument_index = FindArgumentIndex(function, argument) num_positional_args = (function.func_code.co_argcount - len(function.func_defaults)) default_position = argument_index - num_positional_args if default_position < 0: return None return function.func_defaults[default_position] def ReplaceDefaultArgument(function, argument, replacement): argument_index = FindArgumentIndex(function, argument) num_positional_args = (function.func_code.co_argcount - len(function.func_defaults)) default_position = argument_index - num_positional_args if default_position < 0: raise ApiSecurityException('Attempt to modify positional default value') new_defaults = list(function.func_defaults) new_defaults[default_position] = replacement function.func_defaults = tuple(new_defaults) # JSON. # Does not escape HTML metacharacters by default. _JSON_CHARACTER_REPLACEMENT_MAPPING = [ ('<', '\\u%04x' % ord('<')), ('>', '\\u%04x' % ord('>')), ('&', '\\u%04x' % ord('&')), ] class _JsonEncoderForHtml(json.JSONEncoder): def encode(self, o): chunks = self.iterencode(o, _one_shot=True) if not isinstance(chunks, (list, tuple)): chunks = list(chunks) return ''.join(chunks) def iterencode(self, o, _one_shot=False): chunks = super(_JsonEncoderForHtml, self).iterencode(o, _one_shot) for chunk in chunks: for (character, replacement) in _JSON_CHARACTER_REPLACEMENT_MAPPING: chunk = chunk.replace(character, replacement) yield chunk ReplaceDefaultArgument(json.dump, 'cls', _JsonEncoderForHtml) ReplaceDefaultArgument(json.dumps, 'cls', _JsonEncoderForHtml) # Pickle. See http://www.cs.jhu.edu/~s/musings/pickle.html for more info. # Whitelist of module name => (module, [list of safe names]) _PICKLE_CLASS_WHITELIST = { '__builtin__': (__builtin__, ['basestring', 'bool', 'buffer', 'bytearray', 'bytes', 'complex', 'dict', 'enumerate', 'float', 'frozenset', 'int', 'list', 'long', 'reversed', 'set', 'slice', 'str', 'tuple', 'unicode', 'xrange']), } # See https://docs.python.org/3/library/pickle.html#restricting-globals. class RestrictedUnpickler(pickle.Unpickler): def find_class(self, module_name, name): (module, safe_names) = _PICKLE_CLASS_WHITELIST.get(module_name, (None, [])) if name in safe_names: return getattr(module, name) raise ApiSecurityException('%s.%s forbidden in unpickling' % (module, name)) def _SafePickleLoad(f): return RestrictedUnpickler(f).load() def _SafePickleLoads(string): return RestrictedUnpickler(io.BytesIO(string)).load() pickle.load = _SafePickleLoad pickle.loads = _SafePickleLoads cPickle.load = _SafePickleLoad cPickle.loads = _SafePickleLoads # YAML. The Python tag scheme allows arbitrary code execution: # yaml.load('!!python/object/apply:os.system ["ls"]') ReplaceDefaultArgument(yaml.compose, 'Loader', yaml.loader.SafeLoader) ReplaceDefaultArgument(yaml.compose_all, 'Loader', yaml.loader.SafeLoader) ReplaceDefaultArgument(yaml.load, 'Loader', yaml.loader.SafeLoader) ReplaceDefaultArgument(yaml.load_all, 'Loader', yaml.loader.SafeLoader) ReplaceDefaultArgument(yaml.parse, 'Loader', yaml.loader.SafeLoader) ReplaceDefaultArgument(yaml.scan, 'Loader', yaml.loader.SafeLoader) # AppEngine urlfetch. # Does not validate certificates by default. ReplaceDefaultArgument(urlfetch.fetch, 'validate_certificate', True) ReplaceDefaultArgument(urlfetch.make_fetch_call, 'validate_certificate', True) def _HttpUrlLoggingWrapper(func): """Decorates func, logging when 'url' params do not start with https://.""" @functools.wraps(func) def _CheckAndLog(*args, **kwargs): try: arg_index = FindArgumentIndex(func, 'url') except ValueError: return func(*args, **kwargs) if arg_index < len(args): arg_value = args[arg_index] elif 'url' in kwargs: arg_value = kwargs['url'] elif 'url' not in kwargs: arg_value = GetDefaultArgument(func, 'url') if arg_value and not arg_value.startswith('https://'): logging.warn('SECURITY : fetching non-HTTPS url %s' % (arg_value)) return func(*args, **kwargs) return _CheckAndLog urlfetch.fetch = _HttpUrlLoggingWrapper(urlfetch.fetch) urlfetch.make_fetch_call = _HttpUrlLoggingWrapper(urlfetch.make_fetch_call) # webapp2_extras session does not set HttpOnly/Secure by default. sessions.default_config['cookie_args']['secure'] = (not constants.IS_DEV_APPSERVER) sessions.default_config['cookie_args']['httponly'] = True ================================================ FILE: python/base/api_fixer_test.py ================================================ # Copyright 2014 Google Inc. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """Tests for base.api_fixer.""" import json import pickle import unittest2 import yaml import api_fixer class BadPickle(object): """Dummy object.""" def __reduce__(self): return tuple([eval, tuple(['[1][2]'])]) class ApiFixerTest(unittest2.TestCase): """Test cases for base.api_fixer.""" def testJsonEscaping(self): o = {'foo': ''} self.assertFalse('<' in json.dumps(o)) def testYamlLoading(self): unsafe = '!!python/object/apply:os.system ["ls"]' try: yaml.load(unsafe) self.fail('loading unsafe YAML object succeeded') except yaml.constructor.ConstructorError: pass def testPickle(self): b = { 'foo': BadPickle() } s = pickle.dumps(b) try: b = pickle.loads(s) self.fail('BadPickle() loaded successfully') except IndexError: self.fail('pickled code execution') except api_fixer.ApiSecurityException: pass foo = { 'bar': [1, 2, 3] } s = pickle.dumps(foo) try: foo = pickle.loads(s) self.assertEqual(foo['bar'][0], 1) except Exception: self.fail('safe unpickling failed') if __name__ == '__main__': unittest2.main() ================================================ FILE: python/base/constants.py ================================================ # Copyright 2014 Google Inc. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """Public constants for use in application configuration.""" import os def _IsDevAppServer(): return os.environ.get('SERVER_SOFTWARE', '').startswith('Development') # CSP Nonce length NONCE_LENGTH = 10 # webapp2 application configuration constants. # template (CLOSURE, DJANGO, JINJA2) = range(0, 3) # using_angular DEFAULT_ANGULAR = False # framing_policy (DENY, SAMEORIGIN, PERMIT) = range(0, 3) X_FRAME_OPTIONS_VALUES = {DENY: 'DENY', SAMEORIGIN: 'SAMEORIGIN'} # hsts_policy DEFAULT_HSTS_POLICY = {'max_age': 2592000, 'includeSubdomains': True} # placeholder for the CSP nonce. 'nonce_value' is replaced for every response # in base/handers.py with a random nonce value. CSP_NONCE_PLACEHOLDER_FORMAT = '\'nonce-%(nonce_value)s\' ' # IS_DEV_APPSERVER is primarily used for decisions that rely on whether or # not the application is currently serving over HTTPS (dev_appserver does # not support HTTPS). IS_DEV_APPSERVER = _IsDevAppServer() DEBUG = IS_DEV_APPSERVER TEMPLATE_DIR = os.path.sep.join([os.path.dirname(__file__), '..', '..']) # csp_policy DEFAULT_CSP_POLICY = { # Disallow Flash, etc. 'object-src': '\'none\'', # Strict CSP with fallbacks for browsers not supporting CSP v3. 'script-src': CSP_NONCE_PLACEHOLDER_FORMAT + # Propagate trust to dynamically created scripts. '\'strict-dynamic\' ' # Fallback. Ignored in presence of a nonce '\'unsafe-inline\' ' # Fallback. Ignored in presence of strict-dynamic. 'https: http:', 'report-uri': '/csp', 'reportOnly': DEBUG, } ================================================ FILE: python/base/handlers.py ================================================ # Copyright 2014 Google Inc. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """A collection of secure base handlers for webapp2-based applications.""" import abc import base64 import django.conf import django.template import django.template.loader import functools import json import webapp2 from webapp2_extras import jinja2 import api_fixer import constants import models import os import xsrf from google.appengine.api import memcache from google.appengine.api import users # Django initialization. django.conf.settings.configure(DEBUG=constants.DEBUG, TEMPLATE_DEBUG=constants.DEBUG, TEMPLATE_DIRS=[constants.TEMPLATE_DIR]) # Assorted decorators that can be used inside a webapp2.RequestHandler object # to assert certain preconditions before entering any method. def requires_auth(f): """A decorator that requires a currently logged in user.""" @functools.wraps(f) def wrapper(self, *args, **kwargs): if not users.get_current_user(): self.DenyAccess() else: return f(self, *args, **kwargs) return wrapper def requires_admin(f): """A decorator that requires a currently logged in administrator.""" @functools.wraps(f) def wrapper(self, *args, **kwargs): if not users.is_current_user_admin(): self.DenyAccess() else: return f(self, *args, **kwargs) return wrapper def xsrf_protected(f): """Decorator to validate XSRF tokens for any verb but GET, HEAD, OPTIONS.""" @functools.wraps(f) def wrapper(self, *args, **kwargs): non_xsrf_protected_verbs = ['options', 'head', 'get'] if (self.request.method.lower() in non_xsrf_protected_verbs or self._RequestContainsValidXsrfToken()): return f(self, *args, **kwargs) else: self.XsrfFail() return wrapper # Utility functions. def _GetXsrfKey(): """Returns the current key for generating and verifying XSRF tokens.""" client = memcache.Client() xsrf_key = client.get('xsrf_key') if not xsrf_key: config = models.GetApplicationConfiguration() xsrf_key = config.xsrf_key client.set('xsrf_key', xsrf_key) return xsrf_key def _GetCspNonce(): """Returns a random CSP nonce.""" nonce_length = constants.NONCE_LENGTH return base64.b64encode(os.urandom(nonce_length * 2))[:nonce_length] # Classes with a __metaclass__ of _HandlerMeta may not contain any methods # with these names. This is checked when the class is instantiated. _RESTRICTED_FUNCTION_LIST = [ 'dispatch', '_RequestContainsValidXsrfToken', ] # Classes with these names (and _HandlerMeta as a metaclass) can contain # functions in the _RESTRICTED_FUNCTION_LIST. Note that there is no # package/module specified, so it is possible to bypass this check through # clever (or malicious) naming. _RESTRICTED_FUNCTION_CLASS_WHITELIST = [ 'BaseHandler', 'BaseAjaxHandler', 'BaseCronHandler', 'BaseTaskHandler', 'AuthenticatedHandler', 'AuthenticatedAjaxHandler', 'AdminHandler', 'AdminAjaxHandler', ] # This prefix is returned on GET requests to any Ajax-like handler. # It is used to prevent JSON-like responses that may contain non-public # information from being included in malicious domains, e.g. evil.com # inserting a tag like: . # evil.com cannot strip this prefix before parsing the result, unlike # same-origin requests. See https://google-gruyere.appspot.com/part3 # for more information. It is not necessary for POST requests because # there is no way to force the browser to make a cross-domain POST request # and interpret the response as Javascript without use of other mechanisms # like Cross-Origin-Resource-Sharing, which is disabled by default. _XSSI_PREFIX = ')]}\',\n' class SecurityError(Exception): pass class _HandlerMeta(abc.ABCMeta): """Metaclass for our secure base handlers. When a class with this metaclass is defined, the fields are checked to ensure that certain methods we would like to approximate as 'final' are not declared in subclasses. This is because we provide a default implementation which enforces various security related functionality. Class names that can bypass this whitelist are listed in _RESTRICTED_FUNCTION_CLASS_WHITELIST. Restricted methods are listed in _RESTRICTED_FUNCTION_LIST. """ def __new__(mcs, name, bases, dct): if name not in _RESTRICTED_FUNCTION_CLASS_WHITELIST: for func in _RESTRICTED_FUNCTION_LIST: if func in dct: raise SecurityError('%s attempts to override restricted method %s' % (name, func)) return super(_HandlerMeta, mcs).__new__(mcs, name, bases, dct) class BaseHandler(webapp2.RequestHandler): """Base handler for servicing unauthenticated user requests.""" __metaclass__ = _HandlerMeta def __init__(self, request, response): self.initialize(request, response) api_fixer.ReplaceDefaultArgument(response.set_cookie.im_func, 'secure', not constants.IS_DEV_APPSERVER) api_fixer.ReplaceDefaultArgument(response.set_cookie.im_func, 'httponly', True) if self.current_user: self._xsrf_token = xsrf.GenerateToken(_GetXsrfKey(), self.current_user.email()) if self.app.config.get('using_angular', constants.DEFAULT_ANGULAR): # AngularJS requires a JS readable XSRF-TOKEN cookie and will pass this # back in AJAX requests. self.response.set_cookie('XSRF-TOKEN', self._xsrf_token, httponly=False) else: self._xsrf_token = None self.csp_nonce = _GetCspNonce() self._RawWrite = self.response.out.write self.response.out.write = self._ReplacementWrite # All content should be rendered through a template system to reduce the # risk/likelihood of XSS issues. Access to the original function # self.response.out.write is available via self._RawWrite for exceptional # circumstances. def _ReplacementWrite(*args, **kwargs): raise SecurityError('All response content must originate via render() or' 'render_json()') def _SetCommonResponseHeaders(self): """Sets various headers with security implications.""" frame_policy = self.app.config.get('framing_policy', constants.DENY) frame_header_value = constants.X_FRAME_OPTIONS_VALUES.get(frame_policy, '') if frame_header_value: self.response.headers['X-Frame-Options'] = frame_header_value hsts_policy = self.app.config.get('hsts_policy', constants.DEFAULT_HSTS_POLICY) if self.request.scheme.lower() == 'https' and hsts_policy: include_subdomains = bool(hsts_policy.get('includeSubdomains', False)) subdomain_string = '; includeSubdomains' if include_subdomains else '' hsts_value = 'max-age=%d%s' % (int(hsts_policy.get('max_age')), subdomain_string) self.response.headers['Strict-Transport-Security'] = hsts_value self.response.headers['X-XSS-Protection'] = '1; mode=block' self.response.headers['X-Content-Type-Options'] = 'nosniff' csp_policy = self.app.config.get('csp_policy', constants.DEFAULT_CSP_POLICY) report_only = False if 'reportOnly' in csp_policy: report_only = csp_policy.get('reportOnly') csp_policy = csp_policy.copy() del csp_policy['reportOnly'] header_name = ('Content-Security-Policy%s' % ('-Report-Only' if report_only else '')) directives = [] for (k, v) in csp_policy.iteritems(): directives.append('%s %s' % (k, v)) csp = '; '.join(directives) # Set random nonce per response csp = csp % {'nonce_value': self.csp_nonce} self.response.headers.add(header_name, csp) @webapp2.cached_property def current_user(self): return users.get_current_user() def dispatch(self): self._SetCommonResponseHeaders() super(BaseHandler, self).dispatch() @classmethod def get_jinja2_config(cls): """ Builds Jinja2 config based on constants. Note: this is used in the factory below, but an alternative way of setting up Jinja2 would be to use the WSGIApplication config to set this and not use the factory below. This has the advantage of having different settings for different applications and not set here at the handler level. """ extensions = ['jinja2.ext.with_'] return { 'environment_args': { 'autoescape': True, 'extensions': extensions, 'auto_reload': constants.DEBUG, }, 'template_path': constants.TEMPLATE_DIR } @staticmethod def j2_factory(app): """ The factory function passed to get_jinja2. Args: app: the WSGIApplication """ return jinja2.Jinja2(app, BaseHandler.get_jinja2_config()) @webapp2.cached_property def jinja2(self): """ Get the cached Jinja2 instance from the app registry, if none exists the factory function is used to create one. """ return jinja2.get_jinja2(self.j2_factory, app=self.app) def render_to_string(self, template, template_values=None): """Renders template_name with template_values and returns as a string.""" if not template_values: template_values = {} template_values['_xsrf'] = self._xsrf_token template_values['_csp_nonce'] = self.csp_nonce template_strategy = self.app.config.get('template', constants.CLOSURE) if template_strategy == constants.DJANGO: t = django.template.loader.get_template(template) template_values = django.template.Context(template_values) return t.render(template_values) elif template_strategy == constants.JINJA2: return self.jinja2.render_template(template, **template_values) else: ijdata = { 'csp_nonce': self.csp_nonce } return template(template_values, ijdata) def render(self, template, template_values=None): """Renders template with template_values and writes to the response.""" template_strategy = self.app.config.get('template', constants.CLOSURE) self._RawWrite(self.render_to_string(template, template_values)) class BaseCronHandler(BaseHandler): """Base handler for servicing Cron requests. This handler enforces that inbound requests contain the X-AppEngine-Cron header, which AppEngine guarantees is only present on actual invocations according to the cron schedule, or crafted requests by an administrator of the application (the header is filtered out from normal user requests). """ __metaclass__ = _HandlerMeta def dispatch(self): header = self.request.headers.get('X-AppEngine-Cron', 'false') if header != 'true': raise SecurityError('attempt to access cron handler without ' 'X-AppEngine-Cron header') super(BaseCronHandler, self).dispatch() class BaseTaskHandler(BaseHandler): """Base handler for servicing task requests. This handler enforces that inbound requests contain the X-AppEngine-QueueName header, which AppEngine guarantees is only present on requests from the Task Queue API, or crafted requests by an administrator of the application (the header is filtered out from normal user requests). """ __metaclass__ = _HandlerMeta def dispatch(self): header = self.request.headers.get('X-AppEngine-QueueName', None) if not header: raise SecurityError('attempt to access task handler without ' 'X-AppEngine-QueueName header') super(BaseTaskHandler, self).dispatch() class BaseAjaxHandler(BaseHandler): """Base handler for servicing unauthenticated AJAX requests. Responses to GET requests will be prefixed by _XSSI_PREFIX. Requests using other HTTP verbs will not include such a prefix. """ __metaclass__ = _HandlerMeta def _SetAjaxResponseHeaders(self): self.response.headers['Content-Disposition'] = 'attachment; filename=json' self.response.headers['Content-Type'] = 'application/json; charset=utf-8' def dispatch(self): self._SetAjaxResponseHeaders() if self.request.method.lower() == 'get': self._RawWrite(_XSSI_PREFIX) super(BaseAjaxHandler, self).dispatch() def render(self, *args, **kwargs): raise SecurityError('AJAX handlers must use render_json()') def render_json(self, obj): self._RawWrite(json.dumps(obj)) class AuthenticatedHandler(BaseHandler): """Base handler for servicing authenticated user requests. Implementations should provide an implementation of DenyAccess() and XsrfFail() to handle unauthenticated requests or invalid XSRF tokens. POST requests will be rejected unless the request contains a parameter named 'xsrf' which is a valid XSRF token for the currently authenticated user. """ __metaclass__ = _HandlerMeta @requires_auth @xsrf_protected def dispatch(self): super(AuthenticatedHandler, self).dispatch() def _RequestContainsValidXsrfToken(self): token = self.request.get('xsrf') or self.request.headers.get('X-XSRF-TOKEN') # By default, Angular's $http service will add quotes around the # X-XSRF-TOKEN. if (token and self.app.config.get('using_angular', constants.DEFAULT_ANGULAR) and token[0] == '"' and token[-1] == '"'): token = token[1:-1] if xsrf.ValidateToken(_GetXsrfKey(), self.current_user.email(), token): return True return False @abc.abstractmethod def DenyAccess(self): pass @abc.abstractmethod def XsrfFail(self): pass class AuthenticatedAjaxHandler(BaseAjaxHandler): """Base handler for servicing AJAX requests. Implementations should provide an implementation of DenyAccess() and XsrfFail() to handle unauthenticated requests or invalid XSRF tokens. POST requests will be rejected unless the request contains a parameter named 'xsrf', OR an HTTP header named 'X-XSRF-Token' which is a valid XSRF token for the currently authenticated user. Responses to GET requests will be prefixed by _XSSI_PREFIX. Requests using other HTTP verbs will not include such a prefix. """ __metaclass__ = _HandlerMeta @requires_auth @xsrf_protected def dispatch(self): super(AuthenticatedAjaxHandler, self).dispatch() def _RequestContainsValidXsrfToken(self): token = self.request.get('xsrf') or self.request.headers.get('X-XSRF-Token') # By default, Angular's $http service will add quotes around the # X-XSRF-TOKEN. if (token and self.app.config.get('using_angular', constants.DEFAULT_ANGULAR) and token[0] == '"' and token[-1] == '"'): token = token[1:-1] if xsrf.ValidateToken(_GetXsrfKey(), self.current_user.email(), token): return True return False @abc.abstractmethod def DenyAccess(self): pass @abc.abstractmethod def XsrfFail(self): pass class AdminHandler(AuthenticatedHandler): """Base handler for servicing administrator requests. Implementations should provide an implementation of DenyAccess() and XsrfFail() to handle unauthenticated requests or invalid XSRF tokens. Requests will be rejected if the currently logged in user is not an administrator. POST requests will be rejected unless the request contains a parameter named 'xsrf' which is a valid XSRF token for the currently authenticated user. """ __metaclass__ = _HandlerMeta @requires_admin def dispatch(self): super(AdminHandler, self).dispatch() class AdminAjaxHandler(AuthenticatedAjaxHandler): """Base handler for servicing AJAX administrator requests. Implementations should provide an implementation of DenyAccess() and XsrfFail() to handle unauthenticated requests or invalid XSRF tokens. Requests will be rejected if the currently logged in user is not an administrator. POST requests will be rejected unless the request contains a parameter named 'xsrf', OR an HTTP header named 'X-XSRF-Token' which is a valid XSRF token for the currently authenticated user. Responses to GET requests will be prefixed by _XSSI_PREFIX. Requests using other HTTP verbs will not include such a prefix. """ __metaclass__ = _HandlerMeta @requires_admin def dispatch(self): super(AdminAjaxHandler, self).dispatch() ================================================ FILE: python/base/handlers_test.py ================================================ # Copyright 2014 Google Inc. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """Tests for base.handlers.""" import exceptions import unittest2 import webapp2 import handlers import xsrf from google.appengine.ext import testbed class DummyHandler(handlers.AuthenticatedHandler): """Convenience class to verify successful requests.""" def get(self): self._RawWrite('get_succeeded') def post(self): self._RawWrite('post_succeeded') def DenyAccess(self): self._RawWrite('access_denied') def XsrfFail(self): self._RawWrite('xsrf_fail') class DummyAjaxHandler(handlers.BaseAjaxHandler): """Convenience class to verify successful requests.""" def get(self): pass def post(self): pass class DummyCronHandler(handlers.BaseCronHandler): """Convenience class to verify successful requests.""" def get(self): self._RawWrite('get_succeeded') class DummyTaskHandler(handlers.BaseTaskHandler): """Convenience class to verify successful requests.""" def get(self): self._RawWrite('get_succeeded') class HandlersTest(unittest2.TestCase): """Test cases for base.handlers.""" def setUp(self): self.testbed = testbed.Testbed() self.testbed.activate() self.testbed.init_datastore_v3_stub() self.testbed.init_memcache_stub() self.app = webapp2.WSGIApplication([('/', DummyHandler), ('/ajax', DummyAjaxHandler), ('/cron', DummyCronHandler), ('/task', DummyTaskHandler)]) def _FakeLogin(self): """Sets up the environment to have a fake user logged in.""" self.testbed.setup_env( USER_EMAIL='user@example.com', USER_ID='123', overwrite=True) def testHandlerCannotOverrideFinalMethods(self): try: class _(handlers.BaseHandler): def dispatch(self): pass self.fail('should not be able to override dispatch') except handlers.SecurityError, e: self.assertTrue(e.message.find('override restricted') != -1) def testAuthenticatedHandlerRequiresUser(self): self.assertEqual('access_denied', self.app.get_response('/').body) self.assertEqual('access_denied', self.app.get_response('/', method='POST').body) self._FakeLogin() self.assertEqual('get_succeeded', self.app.get_response('/').body) def testXsrfProtectionFailsWithInvalidToken(self): self._FakeLogin() self.assertEqual('xsrf_fail', self.app.get_response('/', method='POST', POST={}).body) def testXsrfProtectionSucceedsWithValidToken(self): self._FakeLogin() key = handlers._GetXsrfKey() token = xsrf.GenerateToken(key, 'user@example.com') self.assertEqual('post_succeeded', self.app.get_response('/', method='POST', POST={'xsrf': token}).body) def testResponseHasStrictCSP(self): """Checks that the CSP in the response is set and strict. More information: https://www.w3.org/TR/CSP3/#strict-dynamic-usage """ fakeNonce = 'rand0m123' strictScriptSrc = ['\'strict-dynamic\'', '\'nonce-%s\'' % fakeNonce] strictObjectSrc = ['\'none\''] handlers._GetCspNonce = lambda : fakeNonce headers = self.app.get_response('/', method='GET').headers csp_header = headers.get('Content-Security-Policy') self.assertIsNotNone(csp_header) csp = {x.split()[0]: x.split()[1:] for x in csp_header.split(';')} # Check that csp contains a nonce and the stict-dynamic keyword. self.assertTrue(set(strictScriptSrc) <= set(csp.get('script-src'))) self.assertListEqual(strictObjectSrc, csp.get('object-src')) def testAjaxGetResponsesIncludeXssiPrefix(self): self.assertEqual(handlers._XSSI_PREFIX, self.app.get_response('/ajax').body) def testAjaxPostResponsesLackXssiPrefix(self): self.assertEqual('', self.app.get_response('/ajax', method='POST').body) def testCronFailsWithoutXAppEngineCron(self): try: self.app.get_response('/cron', method='GET') self.fail('Cron succeeded without X-AppEngine-Cron: true header') except exceptions.AssertionError, e: # webapp2 wraps the raised SecurityError during dispatch with an # exceptions.AssertionError. self.assertTrue(e.message.find('X-AppEngine-Cron') != -1) def testCronSucceedsWithXAppEngineCron(self): headers = [('X-AppEngine-Cron', 'true')] self.assertEqual('get_succeeded', self.app.get_response('/cron', headers=headers).body) def testTaskFailsWithoutXAppEngineQueueName(self): try: self.app.get_response('/task', method='GET') self.fail('Task succeeded without X-AppEngine-QueueName header') except exceptions.AssertionError, e: # webapp2 wraps the raised SecurityError during dispatch with an # exceptions.AssertionError. self.assertTrue(e.message.find('X-AppEngine-QueueName') != -1) def testTaskSucceedsWithXAppEngineQueueName(self): headers = [('X-AppEngine-QueueName', 'default')] self.assertEqual('get_succeeded', self.app.get_response('/task', headers=headers).body) if __name__ == '__main__': unittest2.main() ================================================ FILE: python/base/models.py ================================================ # Copyright 2014 Google Inc. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """Framework wide datastore models.""" from google.appengine.ext import ndb import os @ndb.transactional def GetApplicationConfiguration(): """Returns the application configuration, creating it if necessary.""" key = ndb.Key(Config, 'config') entity = key.get() if not entity: entity = Config(key=key) entity.xsrf_key = os.urandom(16) entity.put() return entity class Config(ndb.Model): """A simple key-value store for application configuration settings.""" xsrf_key = ndb.BlobProperty() ================================================ FILE: python/base/models_test.py ================================================ # Copyright 2014 Google Inc. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """Tests for base.models.""" import unittest2 import models from google.appengine.ext import testbed class ModelsTest(unittest2.TestCase): """Test cases for base.models.""" def setUp(self): self.testbed = testbed.Testbed() self.testbed.activate() self.testbed.init_datastore_v3_stub() def testConfigurationAutomaticallyGenerated(self): config = models.GetApplicationConfiguration() self.assertIsNotNone(config) self.assertIsNotNone(config.xsrf_key) if __name__ == '__main__': unittest2.main() ================================================ FILE: python/base/xsrf.py ================================================ # Copyright 2014 Google Inc. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """Utilities related to Cross-Site Request Forgery protection.""" import hashlib import hmac import time DELIMITER_ = ':' DEFAULT_TIMEOUT_ = 86400 def _Compare(a, b): """Compares a and b in constant time and returns True if they are equal.""" if len(a) != len(b): return False result = 0 for x, y in zip(a, b): result |= ord(x) ^ ord(y) return result == 0 def GenerateToken(key, user, action='*', now=None): """Generates an XSRF token for the provided user and action.""" token_timestamp = now or int(time.time()) message = DELIMITER_.join([user, action, str(token_timestamp)]) digest = hmac.new(key, message, hashlib.sha1).hexdigest() return DELIMITER_.join([str(token_timestamp), digest]) def ValidateToken(key, user, token, action='*', max_age=DEFAULT_TIMEOUT_): """Validates the provided XSRF token.""" if not token or not user: return False try: (timestamp, digest) = token.split(DELIMITER_) except ValueError: return False expected = GenerateToken(key, user, action, timestamp) (_, expected_digest) = expected.split(DELIMITER_) now = int(time.time()) if _Compare(expected_digest, digest) and now < int(timestamp) + max_age: return True return False ================================================ FILE: python/base/xsrf_test.py ================================================ # Copyright 2014 Google Inc. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """Tests for base.xsrf.""" import os import time import unittest2 import xsrf class XsrfTest(unittest2.TestCase): """Test cases for base.xsrf.""" def setUp(self): # non-deterministic tests FTW! self.key = os.urandom(16) def testCompare(self): self.assertTrue(xsrf._Compare('a', 'a')) self.assertFalse(xsrf._Compare('a', 'b')) self.assertFalse(xsrf._Compare('a', 'ab')) def testTokenWithNoActionVerifies(self): token = xsrf.GenerateToken(self.key, 'user') self.assertTrue(xsrf.ValidateToken(self.key, 'user', token)) def testTokenWithDifferentActionsFail(self): token = xsrf.GenerateToken(self.key, 'user', 'a') self.assertFalse(xsrf.ValidateToken(self.key, 'user', token, 'b')) def testTokenWithDifferentUsersFail(self): token = xsrf.GenerateToken(self.key, 'user') self.assertFalse(xsrf.ValidateToken(self.key, 'otheruser', token)) def testExpiredTokenDoesNotVerify(self): now = int(time.time()) - (xsrf.DEFAULT_TIMEOUT_ + 1) token = xsrf.GenerateToken(self.key, 'user', '*', now) self.assertFalse(xsrf.ValidateToken(self.key, 'user', token)) self.assertTrue(xsrf.ValidateToken(self.key, 'user', token, '*', xsrf.DEFAULT_TIMEOUT_ * 2)) if __name__ == '__main__': unittest2.main() ================================================ FILE: python/country_servers.py ================================================ # Copyright 2017 Google Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import sys from random import randint from google.appengine.ext import ndb import logging # the top level of your domain in which you'll run backend servers, e.g. your-domain.com domain = '' # regions you might have treehouse servers in. # each of these must be running an instance of the app in 'backend' # with DNS set up appropriately (e.g. forest-rooms-us.your-domain.com). us = 'us' asia = 'asia' europe = 'europe' # next we get the list of countries mapped to server they should use, # if there's a regional server for that region. country list is # derived from http://dev.maxmind.com/static/csv/codes/country_continent.csv # & mapped to us/asia/europe thus: # NA -> us # SA -> us # EU -> eu # AF -> eu # AS -> as # OC -> as # AN -> us country_to_server_map = { 'A1': us, 'A2': us, 'AD': europe, 'AE': asia, 'AF': asia, 'AG': us, 'AI': us, 'AL': europe, 'AM': asia, 'AN': us, 'AO': europe, 'AP': asia, 'AQ': us, 'AR': us, 'AS': asia, 'AT': europe, 'AU': asia, 'AW': us, 'AX': europe, 'AZ': asia, 'BA': europe, 'BB': us, 'BD': asia, 'BE': europe, 'BF': europe, 'BG': europe, 'BH': asia, 'BI': europe, 'BJ': europe, 'BL': us, 'BM': us, 'BN': asia, 'BO': us, 'BR': us, 'BS': us, 'BT': asia, 'BV': us, 'BW': europe, 'BY': europe, 'BZ': us, 'CA': us, 'CC': asia, 'CD': europe, 'CF': europe, 'CG': europe, 'CH': europe, 'CI': europe, 'CK': asia, 'CL': us, 'CM': europe, 'CN': asia, 'CO': us, 'CR': us, 'CU': us, 'CV': europe, 'CX': asia, 'CY': asia, 'CZ': europe, 'DE': europe, 'DJ': europe, 'DK': europe, 'DM': us, 'DO': us, 'DZ': europe, 'EC': us, 'EE': europe, 'EG': europe, 'EH': europe, 'ER': europe, 'ES': europe, 'ET': europe, 'EU': europe, 'FI': europe, 'FJ': asia, 'FK': us, 'FM': asia, 'FO': europe, 'FR': europe, 'FX': europe, 'GA': europe, 'GB': europe, 'GD': us, 'GE': asia, 'GF': us, 'GG': europe, 'GH': europe, 'GI': europe, 'GL': us, 'GM': europe, 'GN': europe, 'GP': us, 'GQ': europe, 'GR': europe, 'GS': us, 'GT': us, 'GU': asia, 'GW': europe, 'GY': us, 'HK': asia, 'HM': us, 'HN': us, 'HR': europe, 'HT': us, 'HU': europe, 'ID': asia, 'IE': europe, 'IL': asia, 'IM': europe, 'IN': asia, 'IO': asia, 'IQ': asia, 'IR': asia, 'IS': europe, 'IT': europe, 'JE': europe, 'JM': us, 'JO': asia, 'JP': asia, 'KE': europe, 'KG': asia, 'KH': asia, 'KI': asia, 'KM': europe, 'KN': us, 'KP': asia, 'KR': asia, 'KW': asia, 'KY': us, 'KZ': asia, 'LA': asia, 'LB': asia, 'LC': us, 'LI': europe, 'LK': asia, 'LR': europe, 'LS': europe, 'LT': europe, 'LU': europe, 'LV': europe, 'LY': europe, 'MA': europe, 'MC': europe, 'MD': europe, 'ME': europe, 'MF': us, 'MG': europe, 'MH': asia, 'MK': europe, 'ML': europe, 'MM': asia, 'MN': asia, 'MO': asia, 'MP': asia, 'MQ': us, 'MR': europe, 'MS': us, 'MT': europe, 'MU': europe, 'MV': asia, 'MW': europe, 'MX': us, 'MY': asia, 'MZ': europe, 'NA': europe, 'NC': asia, 'NE': europe, 'NF': asia, 'NG': europe, 'NI': us, 'NL': europe, 'NO': europe, 'NP': asia, 'NR': asia, 'NU': asia, 'NZ': asia, 'O1': us, 'OM': asia, 'PA': us, 'PE': us, 'PF': asia, 'PG': asia, 'PH': asia, 'PK': asia, 'PL': europe, 'PM': us, 'PN': asia, 'PR': us, 'PS': asia, 'PT': europe, 'PW': asia, 'PY': us, 'QA': asia, 'RE': europe, 'RO': europe, 'RS': europe, 'RU': europe, 'RW': europe, 'SA': asia, 'SB': asia, 'SC': europe, 'SD': europe, 'SE': europe, 'SG': asia, 'SH': europe, 'SI': europe, 'SJ': europe, 'SK': europe, 'SL': europe, 'SM': europe, 'SN': europe, 'SO': europe, 'SR': us, 'ST': europe, 'SV': us, 'SY': asia, 'SZ': europe, 'TC': us, 'TD': europe, 'TF': us, 'TG': europe, 'TH': asia, 'TJ': asia, 'TK': asia, 'TL': asia, 'TM': asia, 'TN': europe, 'TO': asia, 'TR': europe, 'TT': us, 'TV': asia, 'TW': asia, 'TZ': europe, 'UA': europe, 'UG': europe, 'UM': asia, 'US': us, 'UY': us, 'UZ': asia, 'VA': europe, 'VC': us, 'VE': us, 'VG': us, 'VI': us, 'VN': asia, 'VU': asia, 'WF': asia, 'WS': asia, 'YE': asia, 'YT': europe, 'ZA': europe, 'ZM': europe, 'ZW': europe, 'ZZ': us } def get_region_for_country( client_country ): region = country_to_server_map[client_country.upper()] if region is None: region = 'us' return region def get_all_servers(): servers = RegionalRoomServer.query().fetch(10) if servers is None or len(servers) == 0: servers = [] server = RegionalRoomServer() server.name = 'us' # you'll need to modify this appropriately for your deployment setup server.hostname = 'forest-rooms-' + server.name + '.' + domain server.put() servers.append(server) logging.info("Auto populated datastore") return servers class RegionalRoomServer(ndb.Model): name = ndb.StringProperty('name', indexed=True) hostname = ndb.StringProperty('hostname', indexed=True) if __name__ == "__main__": if len( sys.argv ) == 2: print get_server_for_country( sys.argv[ 1 ] ) ================================================ FILE: python/handlers.py ================================================ # Copyright 2014 Google Inc. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import json import logging import country_servers from base import handlers # Minimal set of handlers to let you display main page with examples class RootHandler(handlers.BaseHandler): def get(self): self.render('index.html') class ConfigHandler(handlers.BaseHandler): def get(self): servers = country_servers.get_all_servers() country = self.request.headers.get("X-AppEngine-Country") region = country_servers.get_region_for_country(country) self.response.headers['Content-Type'] = 'application/javascript; charset=utf-8' self.render('config.template', { 'default_region': region, 'servers': servers }) class CspHandler(handlers.BaseAjaxHandler): def post(self): try: report = json.loads(self.request.body) logging.warn('CSP Violation: %s' % (json.dumps(report['csp-report']))) self.render_json({}) except: self.render_json({'error': 'invalid CSP report'}) ================================================ FILE: python/main.py ================================================ # Copyright 2014 Google Inc. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """Main application entry point.""" import base.api_fixer import webapp2 import base import base.constants import handlers # These should all inherit from base.handlers.BaseHandler _UNAUTHENTICATED_ROUTES = [ ('/', handlers.RootHandler), ('/config.js', handlers.ConfigHandler) ] # These should all inherit from base.handlers.BaseAjaxHandler _UNAUTHENTICATED_AJAX_ROUTES = [('/csp', handlers.CspHandler)] # These should all inherit from base.handlers.AuthenticatedHandler _USER_ROUTES = [] # These should all inherit from base.handlers.AuthenticatedAjaxHandler _AJAX_ROUTES = [] # These should all inherit from base.handlers.AdminHandler _ADMIN_ROUTES = [] # These should all inherit from base.handlers.AdminAjaxHandler _ADMIN_AJAX_ROUTES = [] # These should all inherit from base.handlers.BaseCronHandler _CRON_ROUTES = [] # These should all inherit from base.handlers.BaseTaskHandler _TASK_ROUTES = [] # Place global application configuration settings (e.g. settings for # 'webapp2_extras.sessions') here. # # These values will be accessible from handler methods like this: # self.app.config.get('foo') # # Framework level settings: # template: one of base.constants.CLOSURE (default), base.constants.DJANGO, # or base.constants.JINJA. # # using_angular: True or False (default). When True, an XSRF-TOKEN cookie # will be set for interception/use by Angular's $http service. # When False, no header will be set (but an XSRF token will # still be available under the _xsrf key for Django/Jinja # templates). If you set this to True, be especially careful # when mixing Angular and any server side templates: # https://github.com/angular/angular.js/issues/5601 # See the summary by IgorMinar for details. # # framing_policy: one of base.constants.DENY (default), # base.constants.SAMEORIGIN, or base.constants.PERMIT # # hsts_policy: A dictionary with minimally a 'max_age' key, and optionally # a 'includeSubdomains' boolean member. # Default: { 'max_age': 2592000, 'includeSubDomains': True } # implying 30 days of strict HTTPS for all subdomains. # # csp_policy: A dictionary with keys that correspond to valid CSP # directives, as defined in the W3C CSP 3 spec. Each # key/value pair is transmitted as a distinct # Content-Security-Policy header. # Default: {'default-src': '\'self\''} # which is a very restrictive policy. An optional # 'reportOnly' boolean key substitutes a # 'Content-Security-Policy-Report-Only' header # name in lieu of 'Content-Security-Policy' (the default # is base.constants.DEBUG). # # Note that the default values are also configured in app.yaml for files # served via the /static/ resources. You may need to change the settings # there as well. _CONFIG = { 'template': base.constants.JINJA2, # Developers are encouraged to build sites that comply with this CSP policy. # Changing the first two entries (nonce, strict-dynamic) of the script-src # directive may render XSS protection invalid! For more information take a # look here https://www.w3.org/TR/CSP3/#strict-dynamic-usage # With this policy, modern browsers will execute only those scripts whose # nonce attribute matches the value set in the policy header, as well as # scripts dynamically added to the page by scripts with the proper nonce. # Older browsers, which don't support the CSP3 standard, will ignore the # nonce-* and 'strict-dynamic' keywords and fall back to [script-src # 'unsafe-inline' https: http:] which will not provide protection against # XSS vulnerabilities, but will allow the application to function properly. 'csp_policy': { # Disallow Flash, etc. 'object-src': '\'none\'', # Strict CSP with fallbacks for browsers not supporting CSP v3. 'script-src': # Propagate trust to dynamically created scripts. # '\'strict-dynamic\' ' # Fallback. Ignored in presence of a nonce # '\'unsafe-inline\' ' '\'unsafe-eval\' ' # Fallback. Ignored in presence of strict-dynamic. 'https: http:', 'report-uri': '/csp', 'reportOnly': base.constants.DEBUG, } } ################################# # DO NOT MODIFY BELOW THIS LINE # ################################# app = webapp2.WSGIApplication( routes=(_UNAUTHENTICATED_ROUTES + _UNAUTHENTICATED_AJAX_ROUTES + _USER_ROUTES + _AJAX_ROUTES + _ADMIN_ROUTES + _ADMIN_AJAX_ROUTES + _CRON_ROUTES + _TASK_ROUTES), debug=base.constants.DEBUG, config=_CONFIG) ================================================ FILE: python/main_test.py ================================================ # Copyright 2015 Google Inc. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """Tests for main.""" import unittest2 import webapp2 import webapp2_extras.routes from base import handlers import main class MainTest(unittest2.TestCase): """Test cases for main.""" def _VerifyInheritance(self, routes_list, base_class): """Checks that the handlers of the given routes inherit from base_class.""" router = webapp2.Router(routes_list) routes = router.match_routes + router.build_routes.values() inheritance_errors = '' for route in routes: if issubclass(route.__class__, webapp2_extras.routes.MultiRoute): self._VerifyInheritance(list(route.get_routes()), base_class) continue if issubclass(route.handler, webapp2.RedirectHandler): continue if not issubclass(route.handler, base_class): inheritance_errors += '* %s does not inherit from %s.\n' % ( route.handler.__name__, base_class.__name__) return inheritance_errors def testRoutesInheritance(self): errors = '' errors += self._VerifyInheritance(main._UNAUTHENTICATED_ROUTES, handlers.BaseHandler) errors += self._VerifyInheritance(main._UNAUTHENTICATED_AJAX_ROUTES, handlers.BaseAjaxHandler) errors += self._VerifyInheritance(main._USER_ROUTES, handlers.AuthenticatedHandler) errors += self._VerifyInheritance(main._AJAX_ROUTES, handlers.AuthenticatedAjaxHandler) errors += self._VerifyInheritance(main._ADMIN_ROUTES, handlers.AdminHandler) errors += self._VerifyInheritance(main._ADMIN_AJAX_ROUTES, handlers.AdminAjaxHandler) errors += self._VerifyInheritance(main._CRON_ROUTES, handlers.BaseCronHandler) errors += self._VerifyInheritance(main._TASK_ROUTES, handlers.BaseTaskHandler) if errors: self.fail('Some handlers do not inherit from the correct classes:\n' + errors) def testStrictHandlerMethodRouting(self): """Checks that handler functions properly limit applicable HTTP methods.""" router = webapp2.Router(main._USER_ROUTES + main._AJAX_ROUTES + main._ADMIN_ROUTES + main._ADMIN_AJAX_ROUTES) routes = router.match_routes + router.build_routes.values() failed_routes = [] while routes: route = routes.pop() if issubclass(route.__class__, webapp2_extras.routes.MultiRoute): routes += list(route.get_routes()) continue if issubclass(route.handler, webapp2.RedirectHandler): continue if route.handler_method and not route.methods: failed_routes.append('%s (%s)' % (route.template, route.handler.__name__)) if failed_routes: self.fail('Some handlers specify a handler_method but are missing a ' 'methods" attribute and may be vulnerable to XSRF via GET ' 'requests:\n * ' + '\n * '.join(failed_routes)) if __name__ == '__main__': unittest2.main() ================================================ FILE: static/models/bg-tree-1.obj ================================================ # WaveFront *.obj file (generated by CINEMA 4D) g T0 usemtl default v 0.002211 -50319.394575 643.569099 v -0.001393 50319.394575 643.569099 v 0.001393 -50319.394575 -643.569099 v -0.002211 50319.394575 -643.569099 v 193.430643 34224.063607 -1187.421986 v 193.430639 34438.054141 -1187.421986 v 383.49713 34461.72185 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0.450781 vt 0.064945 0.450535 vt 0.063522 0.454795 vt 0.069602 0.450781 vt 0.069621 0.447120 vt 0.071186 0.436875 vt 0.071639 0.438739 vt 0.069602 0.426697 vt 0.069621 0.426631 vt 0.064945 0.423216 vt 0.063522 0.422683 vt 0.060306 0.426631 vt 0.063711 0.430932 vt 0.060698 0.437248 vt 0.062030 0.446894 vt 0.062030 0.427603 vt 0.066047 0.450109 vt 0.070088 0.446894 vt 0.071440 0.437248 vt 0.069431 0.430932 vt 0.070088 0.427603 vt 0.066047 0.424388 vt 0.367638 0.430698 vt 0.367024 0.425421 vt 0.366747 0.435757 vt 0.364799 0.423920 vt 0.362507 0.425591 vt 0.361657 0.429830 vt 0.362292 0.434286 vt 0.364473 0.436607 vt 0.460080 0.453644 vt 0.455530 0.469323 vt 0.454708 0.461839 vt 0.459566 0.482294 vt 0.460111 0.441608 vt 0.458432 0.490020 vt 0.473669 0.495593 vt 0.475328 0.489411 vt 0.485564 0.490553 vt 0.490588 0.482966 vt 0.488912 0.473604 vt 0.494970 0.462735 vt 0.484744 0.456197 vt 0.489730 0.442280 vt 0.473504 0.449784 vt 0.475090 0.435163 vt 0.458609 0.431785 vt 0.433344 0.465428 vt 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86/71/70 85/70/69 f 5/73/72 2/1/1 86/71/70 f 1/74/73 87/75/74 86/71/70 f 90/76/75 91/77/76 89/72/71 f 93/78/77 91/77/76 90/76/75 f 12/79/78 23/15/15 91/77/76 f 5/73/72 89/72/71 91/77/76 f 94/80/79 95/81/80 93/78/77 f 97/82/81 95/81/80 94/80/79 f 16/83/82 13/8/8 95/81/80 f 12/79/78 93/78/77 95/81/80 f 96/84/83 98/85/84 99/86/85 f 87/87/74 99/86/85 98/85/84 f 1/88/73 28/20/20 99/86/85 f 16/83/82 97/82/81 99/86/85 f 100/89/68 101/90/86 102/91/87 f 104/92/71 105/93/71 102/91/87 f 85/70/69 102/91/87 105/93/71 f 103/94/88 102/91/87 85/70/69 f 106/95/89 107/96/75 105/93/71 f 108/97/90 109/98/90 107/96/75 f 90/76/75 107/96/75 109/98/90 f 88/99/91 105/93/71 107/96/75 f 110/100/79 111/101/79 109/98/90 f 113/102/92 111/101/79 110/100/79 f 96/84/83 94/80/79 111/101/79 f 109/98/90 111/101/79 94/80/79 f 112/103/93 114/104/94 115/105/95 f 103/106/88 115/105/95 114/104/94 f 84/107/68 98/85/84 115/105/95 f 113/102/92 115/105/95 98/85/84 f 116/108/96 117/109/97 118/110/98 f 121/111/99 118/110/98 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72 76 96 f 80 84 88 f 88 92 96 f 96 76 80 ================================================ FILE: style/splash.scss ================================================ @font-face { font-family: 'PlatformMedium'; src: url('/static/fonts/Platform-Medium-Web.eot'); src: url('/static/fonts/Platform-Medium-Web.eot?#iefix') format('embedded-opentype'), url('/static/fonts/Platform-Medium-Web.woff2') format('woff2'), url('/static/fonts/Platform-Medium-Web.woff') format('woff'); } @font-face { font-family: 'PlatformRegular'; src: url('/static/fonts/Platform-Regular-Web.eot'); src: url('/static/fonts/Platform-Regular-Web.eot?#iefix') format('embedded-opentype'), url('/static/fonts/Platform-Regular-Web.woff2') format('woff2'), url('/static/fonts/Platform-Regular-Web.woff') format('woff'); } @font-face { font-family: 'PlatformLight'; src: url('/static/fonts/Platform-Light-Web.eot'); src: url('/static/fonts/Platform-Light-Web.eot?#iefix') format('embedded-opentype'), url('/static/fonts/Platform-Light-Web.woff2') format('woff2'), url('/static/fonts/Platform-Light-Web.woff') format('woff'); } html, body{ height: 100%; font-family: 'PlatformRegular', sans-serif; letter-spacing: 0.05em; color: white; overflow:hidden; -webkit-tap-highlight-color: transparent; } @mixin mobilePhone { @media (max-width:540px), (max-height:540px){ @content; } } // used to hide navbars in older mobile browsers #spacer { height: 1px; } #splash { z-index:1000; width: 100%; height: 100%; position: absolute; top: 0px; left: 0px; display: block; overflow:hidden; &.invisible { display: none; } // ---------------------------------------------------- // background image // ---------------------------------------------------- @media screen and (max-aspect-ratio: 1/1){ background-image: url(/static/img/SplashMobileHiRes2.jpg); } $hiResCross : 1080px; @media screen and (min-aspect-ratio: 1/1) and (max-width: $hiResCross){ background-image: url(/static/img/SplashDesktopMedR.jpg); } @media screen and (min-aspect-ratio: 1/1) and (min-width: $hiResCross){ background-image: url(/static/img/SplashDesktopHiR.jpg) ; } @media screen and (max-height: 600px){ background-position-y: -50px; } background-position-x: center; background-position-y: center; background-repeat: no-repeat; background-attachment: fixed; background-size: cover; background-color: rgb(255,161,153); // ---------------------------------------------------- // enter buttons // ---------------------------------------------------- #webvr-loader { } $buttonWidth : 195px; $buttonHeight : 55px; #enter-container { position: absolute; left: 50%; bottom: 25%; @media screen and (max-height: 320px){ bottom: 60px !important; transform: scale(0.6) translate(-80%, 0); } height: $buttonHeight; width: $buttonWidth; transform: translate(-50%, 0); pointer-events: none; &.loaded { pointer-events: initial; #enterButton { opacity: 1; } #loader { opacity: 0; } } #loader { position: absolute; width: 100%; height: 100%; line-height: $buttonHeight; border: 2px solid white; box-sizing: border-box; padding-left: 45px; font-weight: 500; letter-spacing: 0.05em; img { position: absolute; right: 40px; top: 48%; transform: translate(0, -50%); width: $buttonHeight * 0.5; height: $buttonHeight * 0.45; } } #loader, #enterButton{ transition: opacity 0.2s; } #enterButton { font-family: 'PlatformRegular', sans-serif; letter-spacing: 0.05em; display: block; font-size: 16px; width: 100%; height: 100%; opacity: 0; .webvr-ui-button { border: 2px solid white; position: absolute; transform: translate(-50%, 0)!important; top: 0px!important; background-color: transparent; white-space: nowrap; .webvr-ui-title { font-size: 16px; } } #enter-360{ position: absolute; left: 50%; bottom: -30px; transform: translate(-50%, 0); width: 100%; font-size: 14px; text-align: center; width: 220px; text-decoration: underline; cursor: pointer; @include mobilePhone { font-size: 12px; } } } } // ---------------------------------------------------- // about secondary // ---------------------------------------------------- $headphoneSize : 25px; $topCornerMargin : 20px; $buttonSize : 30px; $pink : rgb(255,175,170); $mediumSize : 700px; $desktopMargin : 20%; $mobileMargin : 5%; #headphones { position: absolute; left: $topCornerMargin; top: $topCornerMargin + 5px; width: $headphoneSize; height: $headphoneSize; overflow: hidden; transition: width 0.15s; &:hover { width: 210px; } .icon { height: 90%; width: auto; position: absolute; left: 3.5px; } .text { line-height: $buttonSize; height: $buttonSize; font-size: 12px; width: 170px; position: absolute; text-align: right; left: $headphoneSize + 5px; } } #headphones, #about-button { background-color: white; border-radius: $buttonSize/2; width: $buttonSize; height: $buttonSize; color: $pink; text-align: center; line-height: $buttonSize; opacity: 0.9; } #about-button { z-index: 1; top: $topCornerMargin; right: $topCornerMargin; visibility: hidden; padding: 1px; position: absolute; cursor: pointer; font-family: 'PlatformLight', sans-serif; font-size: 20px; img { width: 30px; } } #about-button.visible { visibility: visible; } // ---------------------------------------------------- // about // ---------------------------------------------------- #about { z-index: 1; overflow: hidden; width: 100%; height: 100%; overflow: auto; position: absolute !important; visibility: hidden; background-color: rgba(247,158,151,0.97); z-index: 1000; display: flex; align-items: center; justify-content: center; font-size: calc(0.8em) !important; .content { margin-top: -0vh; margin-right:$desktopMargin; margin-left: $desktopMargin; @media (max-width:$mediumSize) { margin-right:$mobileMargin; margin-left: $mobileMargin; } } h1 { font-family: 'PlatformMedium', sans-serif; font-weight: 100; font-size: 7.0vw; line-height: 0%; } .description { left:0px; margin-left:10px; @media (max-width:$mediumSize) { margin-left:0px; } margin-top: -0vh; text-decoration: none; p { font-family: 'PlatformLight', sans-serif; max-width: 50%; font-weight: 100; line-height: 140%; color: #FFF; @media (max-width:$mediumSize) { max-width: 100%; } a { font-weight: 300; text-decoration: underline; color: #8D81E8; } } } img { z-index:-1; position: absolute; top: 45%; right: 0px; margin-right:25%; width: 20%; height: auto; display:block; @media (max-width:$mediumSize) { top: initial; left: 50%; transform: translateX(-50%); bottom: 0%; width: 50%; } @media screen and (orientation:portrait) and (max-width:$mediumSize) { display: block; } @media screen and (orientation:landscape) and (max-width:$mediumSize){ display: none; } } .xbutton { width:20px; height:20px; font-size: 20px; border: none; position: fixed; top: 20px; right: 20px; cursor: pointer; } .close { // position: fixed; // width: 32px; // height: 32px; // opacity: 0.75; } .close:hover { opacity: 1; } .close:before, .close:after { position: absolute; left: 15px; content: ' '; height: 33px; width: 2px; background-color: #FFF; } .close:before { transform: rotate(45deg); } .close:after { transform: rotate(-45deg); } } #about.visible { visibility: visible; } // ---------------------------------------------------- // badges // ---------------------------------------------------- #badges { .friends-with, .webvr-logo, .pipe { position: absolute; bottom: 17px; } .friends-with img, .webvr-logo img { width: 100%; } .webvr-logo { width: 100px; left: 15px; } .friends-with { width: 100px; left: 145px; } .pipe { left: 130px; height:60px; border-right: 1px solid rgba(255,255,255,0.75); } @include mobilePhone { .friends-with img, .webvr-logo img { width: 70%; } .friends-with { left: 115px; width: 100px; } .pipe { left: 100px; height:45px; border-right: 1px solid rgba(255,255,255,0.75); } } } #legal { opacity: 0.75; position:absolute; right: 20px; bottom: 21px; font-family: 'PlatformLight', sans-serif; font-size: 11px; color: #FFF; a { text-decoration: none; color: #FFF; } @include mobilePhone { font-size: 9px; } } } @mixin fullScreenBg() { z-index:1000; width: 100%; height: 100%; position: absolute; top: 0px; left: 0px; overflow:hidden; background-position-x: center; background-position-y: center; background-repeat: no-repeat; background-attachment: fixed; background-size: cover; background-color: rgba(247,158,151,1.0); } #cardboard { @include fullScreenBg(); @media screen and (orientation:portrait) { display: block; } @media screen and (orientation:landscape) { display: none; } #cardboardContainer { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); background-color: "#f79e97"; p { font-weight: 100; text-decoration: none; line-height: 150%; color: #FFF; } button { cursor: pointer; font-family: 'PlatformMedium', sans-serif; letter-spacing: 0.05em; font-size: 13px; color: white; padding-left:20px; padding-right:20px; height: 50px; background-color: rgba(253,161,155,0.75); border: white 2px solid; position: absolute; bottom: 0px; right: 0px; } img{ display: block; min-width:340px; min-height:244px; width: 100%; height: 100%; } } } #error { @include fullScreenBg(); display: block; #errorContainer { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); min-width:320px; min-height:240px; background-color: "#ff0"; p { position: absolute; padding: 0px; margin: 0px; top: 0px; left: 0px; max-width:200px; } img{ max-width:400px; max-height:300px; width: 100%; height: 100%; position: absolute; top: 72%; left: 50%; transform: translate(-50%, -50%); } button { cursor: pointer; font-family: 'PlatformMedium', sans-serif; letter-spacing: 0.05em; font-size: 13px; color: white; position: absolute; padding-left:20px; padding-right:20px; height: 50px; background-color: rgba(253,161,155,0.75); border: white 2px solid; top: 0px; right: 0px; } } } ================================================ FILE: third_party/aframe-daydream-controller-component/LICENSE ================================================ The MIT License (MIT) Copyright (c) 2015 Kevin Ngo Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ================================================ FILE: third_party/aframe-daydream-controller-component/METADATA ================================================ name: "aframe-daydream-controller-component" description: "Aframe component for daydream" third_party { url { type: GIT value: "https://github.com/ryanbetts/aframe-daydream-controller-component" } version: "" last_upgrade_date { year: 2017 month: 3 day: 13 } } ================================================ FILE: third_party/aframe-daydream-controller-component/daydream-controller.js ================================================ import OrientationArmModel from '../../js/orientation-arm-model' if (typeof AFRAME === 'undefined') { throw new Error('Component attempted to register before AFRAME was available.'); } var bind = AFRAME.utils.bind; var trackedControlsUtils = AFRAME.utils.trackedControls; var GAMEPAD_ID_PREFIX = 'Daydream Controller'; /** * Daydream Controller component for A-Frame. */ AFRAME.registerComponent('daydream-controller', { armModel: null, /** * Set if component needs multiple instancing. */ multiple: false, schema: { controller: { default: 0 }, id: { default: 'Match none by default!' }, rotationOffset: { default: 0 }, hand: { default: 'left' }, buttonColor: { default: '#FAFAFA' }, // Off-white. buttonTouchedColor: { default: 'yellow' }, // Light blue. buttonPressedColor: { default: 'orange' }, // Light blue. model: { default: true }, rotationOffset: { default: 0 }, // use -999 as sentinel value to auto-determine based on hand gestureTimeoutLimit: { default: 100 }, //if gesture doesn't complete within this timeframe, reset gestureTolerance: { default: 0.2 } //percentage of the trackpad a gesture must traverse }, // buttonId // 0 - trackpad mapping: { axis0: 'trackpad', axis1: 'trackpad', button0: 'trackpad', // button1: 'menu', // button2: 'system' }, bindMethods: function() { this.onModelLoaded = bind(this.onModelLoaded, this); this.onControllersUpdate = bind(this.onControllersUpdate, this); this.checkIfControllerPresent = bind(this.checkIfControllerPresent, this); this.removeControllersUpdateListener = bind(this.removeControllersUpdateListener, this); this.onGamepadConnected = bind(this.onGamepadConnected, this); this.onGamepadDisconnected = bind(this.onGamepadDisconnected, this); }, /** * Called once when component is attached. Generally for initial setup. */ init: function() { var self = this; this.animationActive = 'pointing'; this.onButtonChanged = bind(this.onButtonChanged, this); this.onButtonDown = function(evt) { self.onButtonEvent(evt.detail.id, 'down'); }; this.onButtonUp = function(evt) { self.onButtonEvent(evt.detail.id, 'up'); }; this.onButtonTouchStart = function(evt) { self.onButtonEvent(evt.detail.id, 'touchstart'); evt.stopPropagation(); evt.preventDefault(); }; this.onButtonTouchEnd = function(evt) { self.onButtonEvent(evt.detail.id, 'touchend'); }; this.onAxisMove = bind(this.onAxisMove, this); this.controllerPresent = false; this.everGotGamepadEvent = false; this.lastControllerCheck = 0; this.bindMethods(); this.isControllerPresent = trackedControlsUtils.isControllerPresent; // to allow mock this.axisGestureTimeoutLimit = 100; //minimum this.axisGestureVelocity = 100; // minimum velocity in %/ms this.axisGestureThreshold = 0.1; // minimum % moved to recognize a gesture this.buttonStates = {}; this.previousAxis = []; this.previousControllerPosition = new THREE.Vector3(); this.armModel = new OrientationArmModel(); // var camera = document.querySelector("#avatar"); // camera = camera.object3D; // this.armModel.setHeadPosition(camera.position); this.armModel.setHeadPosition({x:0,y:1.6,z:0}); }, addEventListeners: function() { var el = this.el; el.addEventListener('buttonchanged', this.onButtonChanged); el.addEventListener('buttondown', this.onButtonDown); el.addEventListener('buttonup', this.onButtonUp); el.addEventListener('touchstart', this.onButtonTouchStart); el.addEventListener('axismove', this.onAxisMove); el.addEventListener('touchend', this.onButtonTouchEnd); el.addEventListener('model-loaded', this.onModelLoaded); }, removeEventListeners: function() { var el = this.el; el.removeEventListener('buttonchanged', this.onButtonChanged); el.removeEventListener('buttondown', this.onButtonDown); el.removeEventListener('buttonup', this.onButtonUp); el.removeEventListener('touchstart', this.onButtonTouchStart); el.removeEventListener('axismove', this.onAxisMove); el.removeEventListener('touchend', this.onButtonTouchEnd); el.removeEventListener('model-loaded', this.onModelLoaded); }, /** * Called when a component is removed (e.g., via removeAttribute). * Generally undoes all modifications to the entity. */ // TODO ... remove: function () { }, getControllerIfPresent: function() { // The 'Gear VR Touchpad' gamepad exposed by Carmel has no pose, // so it won't show up in the tracked-controls system controllers. var gamepads = this.getGamepadsByPrefix(GAMEPAD_ID_PREFIX); if (!gamepads || !gamepads.length) { return undefined; } return gamepads[0]; }, checkIfControllerPresent: function() { var data = this.data; var isPresent = this.isControllerPresent(this.el.sceneEl, GAMEPAD_ID_PREFIX, {}); if (isPresent === this.controllerPresent) { return; } this.controllerPresent = isPresent; if (isPresent) { this.injectTrackedControls(); // inject track-controls this.addEventListeners(); } else { this.removeEventListeners(); } }, onGamepadConnected: function(evt) { // for now, don't disable controller update listening, due to // apparent issue with FF Nightly only sending one event and seeing one controller; // this.everGotGamepadEvent = true; // this.removeControllersUpdateListener(); this.checkIfControllerPresent(); }, onGamepadDisconnected: function(evt) { // for now, don't disable controller update listening, due to // apparent issue with FF Nightly only sending one event and seeing one controller; // this.everGotGamepadEvent = true; // this.removeControllersUpdateListener(); this.checkIfControllerPresent(); }, tick: function() { var mesh = this.el.getObject3D('mesh'); // Update mesh animations. if (mesh && mesh.update) { mesh.update(delta / 1000); } this.updatePose(); this.updateButtons(); }, /** * Called when entity resumes. * Use to continue or add any dynamic or background behavior such as events. */ play: function() { this.checkIfControllerPresent(); window.addEventListener('gamepadconnected', this.onGamepadConnected, false); window.addEventListener('gamepaddisconnected', this.onGamepadDisconnected, false); this.addControllersUpdateListener(); }, /** * Called when entity pauses. * Use to stop or remove any dynamic or background behavior such as events. */ pause: function() { window.removeEventListener('gamepadconnected', this.onGamepadConnected, false); window.removeEventListener('gamepaddisconnected', this.onGamepadDisconnected, false); this.removeControllersUpdateListener(); this.removeEventListeners(); }, injectTrackedControls: function() { var el = this.el; var data = this.data; this.controller = trackedControlsUtils.getGamepadsByPrefix(GAMEPAD_ID_PREFIX)[0] // if we have an OpenVR Gamepad, use the fixed mapping // el.setAttribute('tracked-controls', {id: GAMEPAD_ID_PREFIX, rotationOffset: data.rotationOffset}); if (!data.model) { return; } }, addControllersUpdateListener: function() { this.el.sceneEl.addEventListener('controllersupdated', this.onControllersUpdate, false); }, removeControllersUpdateListener: function() { this.el.sceneEl.removeEventListener('controllersupdated', this.onControllersUpdate, false); }, onControllersUpdate: function() { if (!this.everGotGamepadEvent) { this.checkIfControllerPresent(); } }, onButtonChanged: function(evt) { var button = this.mapping['button' + evt.detail.id]; var buttonMeshes = this.buttonMeshes; var value; value = evt.detail.state.value; }, onAxisMove: function(evt) { // this.axisPosition // // console.log('axismove', evt.detail); // this.lastAxisMovement = { // time: Date.now(), // x: 0, // y: 0 // } }, onModelLoaded: function(evt) { var controllerObject3D = evt.detail.model; var buttonMeshes; if (!this.data.model) { return; } buttonMeshes = this.buttonMeshes = {}; buttonMeshes.menu = controllerObject3D.getObjectByName('menubutton'); buttonMeshes.system = controllerObject3D.getObjectByName('systembutton'); buttonMeshes.trackpad = controllerObject3D.getObjectByName('touchpad'); // Offset pivot point controllerObject3D.position.set(0, -0.015, 0.04); }, onButtonEvent: function(id, evtName) { var buttonName = this.mapping['button' + id]; if(!buttonName) { return; } var i; if (Array.isArray(buttonName)) { for (i = 0; i < buttonName.length; i++) { this.el.emit(buttonName[i] + evtName); } } else { this.el.emit(buttonName + evtName); } // this.updateModel(buttonName, evtName); }, updateModel: function(buttonName, evtName) { var i; if (!this.data.model) { return; } if (Array.isArray(buttonName)) { for (i = 0; i < buttonName.length; i++) { this.updateButtonModel(buttonName[i], evtName); } } else { this.updateButtonModel(buttonName, evtName); } }, updateButtonModel: function(buttonName, state) { var color = this.data.buttonColor; if (state === 'touchstart' || state === 'up') { color = this.data.buttonTouchedColor; } else if (state === 'down') { color = this.data.buttonPressedColor; } var buttonMeshes = this.buttonMeshes; if (!buttonMeshes) { return; } buttonMeshes[buttonName].material.color.set(color); }, /* */ updatePose: (function() { var controllerEuler = new THREE.Euler(); var controllerPosition = new THREE.Vector3(); var controllerQuaternion = new THREE.Quaternion(); var deltaControllerPosition = new THREE.Vector3(); var dolly = new THREE.Object3D(); var standingMatrix = new THREE.Matrix4(); controllerEuler.order = 'YXZ'; return function() { var camera = document.querySelector("#avatar"); if(!camera) return; camera = camera.object3D; var pose; var orientation; var position; var el = this.el; var controller = this.controller; if (!this.controller) { return; } pose = controller.pose; orientation = pose.orientation || [0, 0, 0, 1]; position = pose.position || [0, 0, 0]; // var camera = this.el.sceneEl.camera; controllerQuaternion.fromArray(orientation); // Feed camera and controller into the arm model. this.armModel.setHeadOrientation(camera.quaternion); // no need to set the head position anymore because it is located inside camera this.armModel.setHeadPosition({x:0,y:1.6,z:0}); this.armModel.setControllerOrientation(controllerQuaternion); this.armModel.update(); // Get resulting pose and configure the renderer. var modelPose = this.armModel.getPose(); controllerEuler.setFromQuaternion(modelPose.orientation) el.setAttribute('rotation', { x: THREE.Math.radToDeg(controllerEuler.x), y: THREE.Math.radToDeg(controllerEuler.y), z: THREE.Math.radToDeg(controllerEuler.z) + this.data.rotationOffset }); // console.log(modelPose.position); el.setAttribute('position', { x: modelPose.position.x, y: modelPose.position.y, z: modelPose.position.z }); } })(), updateButtons: function() { var i; var buttonState; var controller = this.controller; if (!this.controller) { return; } for (i = 0; i < controller.buttons.length; ++i) { buttonState = controller.buttons[i]; this.handleButton(i, buttonState); } this.handleAxes(controller.axes); }, handleAxes: function(controllerAxes) { var previousAxis = this.previousAxis; var changed = false; var i; for (i = 0; i < controllerAxes.length; ++i) { if (previousAxis[i] !== controllerAxes[i]) { changed = true; break; } } if (!changed) { return; } this.previousAxis = controllerAxes.slice(); this.el.emit('axismove', { axis: this.previousAxis }); }, handleButton: function(id, buttonState) { var changed = false; changed = changed || this.handlePress(id, buttonState); changed = changed || this.handleTouch(id, buttonState); changed = changed || this.handleValue(id, buttonState); if (!changed) { return; } this.el.emit('buttonchanged', { id: id, state: buttonState }); }, /** * Determine whether a button press has occured and emit events as appropriate. * * @param {string} id - id of the button to check. * @param {object} buttonState - state of the button to check. * @returns {boolean} true if button press state changed, false otherwise. */ handlePress: function(id, buttonState) { var buttonStates = this.buttonStates; var evtName; var previousButtonState = buttonStates[id] = buttonStates[id] || {}; if (buttonState.pressed === previousButtonState.pressed) { return false; } if (buttonState.pressed) { evtName = 'down'; } else { evtName = 'up'; } this.el.emit('button' + evtName, { id: id }); previousButtonState.pressed = buttonState.pressed; return true; }, /** * Determine whether a button touch has occured and emit events as appropriate. * * @param {string} id - id of the button to check. * @param {object} buttonState - state of the button to check. * @returns {boolean} true if button touch state changed, false otherwise. */ handleTouch: function(id, buttonState) { var buttonStates = this.buttonStates; var evtName; var previousButtonState = buttonStates[id] = buttonStates[id] || {}; if (buttonState.touched === previousButtonState.touched) { return false; } if (buttonState.touched) { evtName = 'start'; } else { evtName = 'end'; } previousButtonState.touched = buttonState.touched; var touches = []; this.el.emit('touch' + evtName, { id: id, state: previousButtonState, touches: touches }); return true; }, /** * Determine whether a button value has changed. * * @param {string} id - id of the button to check. * @param {object} buttonState - state of the button to check. * @returns {boolean} true if button value changed, false otherwise. */ handleValue: function(id, buttonState) { var buttonStates = this.buttonStates; var previousButtonState = buttonStates[id] = buttonStates[id] || {}; if (buttonState.value === previousButtonState.value) { return false; } previousButtonState.value = buttonState.value; return true; } });