Repository: binary-person/womginx Branch: master Commit: d11aecdb1f04 Files: 16 Total size: 79.4 KB Directory structure: gitextract_jcteclzp/ ├── .gitmodules ├── .replit ├── Dockerfile ├── LICENSE ├── README.md ├── app.json ├── docker-compose.yml ├── docker-entrypoint.sh ├── docker-sed.sh ├── heroku.yml ├── nginx.conf ├── public/ │ ├── index.css │ ├── index.html │ └── wombat-handler.js ├── replit-run.sh └── replit.nix ================================================ FILE CONTENTS ================================================ ================================================ FILE: .gitmodules ================================================ [submodule "public/wombat"] path = public/wombat url = https://github.com/webrecorder/wombat ================================================ FILE: .replit ================================================ language="nix" run = "./replit-run.sh" ================================================ FILE: Dockerfile ================================================ FROM node:16-alpine as builder # build wombat RUN apk add git python3 make gcc musl-dev libc-dev g++ COPY . /opt/womginx WORKDIR /opt/womginx # for whatever reason, heroku doesn't copy the .git folder and the .gitmodules file, so we're # approaching this assuming they will never exist RUN rm -rf .git && git init WORKDIR /opt/womginx/public RUN rm -rf wombat && git submodule add https://github.com/webrecorder/wombat WORKDIR /opt/womginx/public/wombat # wombat's latest version (as of January 4th, 2022; commit 72db794) breaks websocket functionality. # Locking the version here temporarily until I can find a solution RUN git checkout 78813ad RUN npm install --legacy-peer-deps && npm run build-prod # delete everything but the dist folder to save us an additional 50MB+ RUN mv dist .. && rm -rf * .git && mv ../dist/ . # modify nginx.conf WORKDIR /opt/womginx RUN ./docker-sed.sh FROM nginx:stable-alpine # default environment variables in case a normal user doesn't specify it ENV PORT=80 # set SAFE_BROWSING to any value to enable it #ENV SAFE_BROWSING=1 COPY --from=builder /opt/womginx /opt/womginx RUN cp /opt/womginx/nginx.conf /etc/nginx/nginx.conf # make sure nginx.conf works (mainly used for development) RUN nginx -t CMD /opt/womginx/docker-entrypoint.sh ================================================ FILE: LICENSE ================================================ GNU AFFERO GENERAL PUBLIC LICENSE Version 3, 19 November 2007 Copyright (C) 2007 Free Software Foundation, Inc. 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Copyright (C) This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see . Also add information on how to contact you by electronic and paper mail. If your software can interact with users remotely through a computer network, you should also make sure that it provides a way for users to get its source. For example, if your program is a web application, its interface could display a "Source" link that leads users to an archive of the code. There are many ways you could offer source, and different solutions will be better for different programs; see section 13 for the specific requirements. You should also get your employer (if you work as a programmer) or school, if any, to sign a "copyright disclaimer" for the program, if necessary. For more information on this, and how to apply and follow the GNU AGPL, see . ================================================ FILE: README.md ================================================ # Womginx > Fastest proxy using only nginx as the backend server Replit **Before you deploy to Heroku, read the following: Heroku decided that this repository violates the ToS, so directly clicking the button below if you're in the main repository will result in an error. Forked repositories may work, though this is not guaranteed. Regardless, I am NOT responsible if your Heroku account gets suspended because of deploying this application. Proceed at your own risk.** [![Deploy](https://www.herokucdn.com/deploy/button.svg)](https://heroku.com/deploy) Demo: https://womginx.arph.org ~~Heroku Docker demo: https://womginx.herokuapp.com~~ taken down for now. If you need one, deploy one using the button above or use the demo link. ## Site compatibility What works: 1. recaptcha 2. discord with actual login credentials (no qr code required) 3. websocket sites 4. sites that have cookies What doesn't work: 1. react sites 2. sites that depend on window.location and are minified 3. YouTube UI (however, you can watch a video like https://proxysite.com/main/https://www.youtube.com/watch?v=vidid and it will work) ## Prerequisites You need one thing and one thing only: nginx. Ok maybe not just that, you'll need the following: 1. nginx 2. certbot 3. nodejs (for building wombat) 4. a (sub)domain 5. a vps ## Installation (more simple and contained) 1. [Install Docker](https://docs.docker.com/engine/install/ubuntu/) 2. [Install docker-compose](https://docs.docker.com/compose/install/) 3. Clone this repo by running `git clone https://github.com/binary-person/womginx` 4. `cd womginx` then edit go and edit `docker-compose.yml` - To disable safe browsing, delete the line that says `SAFE_BROWSING` - To change the port, edit `80:80` to `newport:80` - Don't pay attention to `PORT=80` as changing that only changes the port inside the docker container. Only weird environments like Heroku need it. - To bind the port locally, do `127.0.0.1:80:80` (do this if you're hosting multiple things and you're using a reverse proxy like nginx or caddy) - If you are using a reverse proxy, set the `x-forwarded-for` as womginx's rate limiter relies on this header when running in a container. So for nginx, add `proxy_set_header X-Forwarded-For $remote_addr;` 5. then run `sudo docker-compose up -d` to start it 6. `sudo docker-compose down` to stop 7. If you want to update womginx to the latest version, run `git pull && sudo docker-compose up -d --build` ## Installation (more complex, direct, and permanent) ```bash # assuming you are on Ubuntu/Debian ## Part 1 of installation ## # update your repo list sudo apt update # 1. install nginx sudo apt install nginx # 2. install certbot and the nginx plugin sudo apt install certbot python3-certbot-nginx # 3. install nodejs (skip if you already have it) curl -sL https://deb.nodesource.com/setup_14.x | sudo -E bash - sudo apt-get install nodejs # 4. Get a (sub)domain with an A(AAA) record pointing to your VPS IP # 5. Get an ssl certificate sudo certbot --nginx certonly -n -d yourdomain.com ## Part 2 of installation ## # 1. clone repo and wombat submodule git clone --recursive https://github.com/binary-person/womginx # 2. build wombat cd womginx/public/wombat npm install npm run build-prod # 3. replace 'womginx.arph.org' with 'yourdomain.com' in nginx.conf cd .. # cd into public folder sed -i -e 's/womginx.arph.org/yourdomain.com/g' ../nginx.conf # 4. replace '/home/binary/womginx/public' with your public folder sed -i -e "s/\/home\/binary\/womginx\/public/$(pwd | sed -e 's/\//\\\//g')/g" ../nginx.conf # 5. make backup of original nginx.conf sudo cp /etc/nginx/nginx.conf /etc/nginx/nginx.conf.backup # 6. copy womginx nginx.conf to /etc/nginx/nginx.conf sudo cp ../nginx.conf /etc/nginx/nginx.conf # 7. restart the nginx server sudo service nginx restart ``` ## Why did you want to use only nginx and burden yourself with nginx's "restrictive" and "esoteric" config? I did it as a game, or, challenge, for myself to learn nginx and also to take advantage of nginx's resilience and speed for handling lots of requests, which is perfect for proxying. It also was to deter nginx's restrictive reputation (in a community server I'm in). ## Contributing Contributions are welcome. Send in a pull request and I'll be more than happy to take a look. ## Future plans Make another client rewriting library similar to wombat but made with intent to be a proxy rewriting library and with the goal of ease of use for the server and the client. ## License This project is licensed under the AGPL license. Wombat uses AGPL, and under the terms of that license, this project, therefore, is also required to be licensed under AGPL. ## Credits - Front page design by [voept](https://github.com/voept) - Logo design by [kinglalu](https://github.com/kinglalu) ================================================ FILE: app.json ================================================ { "name": "Womginx", "description": "Fastest proxy using only nginx as the backend server", "repository": "https://github.com/binary-person/womginx", "logo": "https://raw.githubusercontent.com/binary-person/womginx/master/public/logo.png", "keywords": [ "nginx", "docker" ], "stack": "container", "env": { "SAFE_BROWSING": { "description": "Unset this value to disable. However, if this option is set, then the dns server is set to 1.1.1.3, which blocks malware and adult content. See https://1.1.1.1/family/ for more info", "value": "1", "required": false } } } ================================================ FILE: docker-compose.yml ================================================ version: "2.1" services: womginx: build: . container_name: womginx environment: - PORT=80 - SAFE_BROWSING=1 ports: - 80:80 restart: unless-stopped ================================================ FILE: docker-entrypoint.sh ================================================ #!/bin/sh set -e # environment variables are set at runtime, so modify the conf only when it starts sed -i "s/listen 80/listen $PORT/" /etc/nginx/nginx.conf if [ ! -z "$SAFE_BROWSING" ]; then sed -i "s/1.1.1.1/1.1.1.3/" /etc/nginx/nginx.conf fi # default.conf makes docker listen to 80, and # heroku's non-root user running this won't like it at all rm /etc/nginx/conf.d/default.conf nginx ================================================ FILE: docker-sed.sh ================================================ #!/bin/sh set -e # change public dir to appropriate path sed -i "s/\/home\/binary\/womginx\/public/\/opt\/womginx\/public/g" nginx.conf # disable ssl (since we're running this behind a reverse proxy like heroku) sed -i '/ssl_certificate/d' nginx.conf sed -i '/listen 443/d' nginx.conf # prevent reverse proxy headers from being sent to destination site (heroku headers, for example) sed -i $"s/proxy_set_header Accept-Encoding/proxy_set_header x-request-id '';\ proxy_set_header x-forwarded-for '';\ proxy_set_header x-forwarded-proto '';\ proxy_set_header x-forwarded-port '';\ proxy_set_header via '';\ proxy_set_header connect-time '';\ proxy_set_header x-request-start '';\ proxy_set_header total-route-time '';\ proxy_set_header Accept-Encoding/" nginx.conf # use x-forwarded-for instead of remote client ip since client ip would be our reverse proxy's, not our # client's (heroku, for example) sed -i "s/binary_remote_addr/http_x_forwarded_for/g" nginx.conf # pipe logs to stdout/stderr instead of the default /var/log/nginx/ location sed -i 's/http {/http {access_log \/dev\/stdout; error_log stderr;/' nginx.conf # disable daemon mode for nginx sed -i '1i daemon off;' nginx.conf ================================================ FILE: heroku.yml ================================================ build: docker: web: Dockerfile ================================================ FILE: nginx.conf ================================================ user nginx nginx; worker_processes auto; pid /run/nginx.pid; include /etc/nginx/modules-enabled/*.conf; events { worker_connections 1024; } http { include /etc/nginx/mime.types; include /etc/nginx/conf.d/*; # add any additional/custom server blocks map_hash_bucket_size 128; resolver 1.1.1.1; # resolver 1.1.1.3; # <-- uncomment this and comment out the above to block malware and adult sites # ddos protection client_body_timeout 10s; client_header_timeout 10s; proxy_connect_timeout 20s; # these are very lenient limits. there should be no reason why a # client will request 60 requests per second for a straight 8.33 seconds limit_req_zone $binary_remote_addr zone=limitreq:20m rate=30r/s; limit_req zone=limitreq burst=500 nodelay; limit_req_status 429; limit_conn_zone $binary_remote_addr zone=limitconn:20m; limit_conn limitconn 50; # domain blacklist. blacklisting www.example.com as an example map $dest_host $blacklist { default 0; 'www.example.com' 1; } # blacklist user agents # the following is a default list that simply blocks all bots. credit to https://stackoverflow.com/a/24820722 map $http_user_agent $blacklist_useragent { default 0; ~*(google|bing|yandex|msnbot) 1; ~*(AltaVista|Googlebot|Slurp|BlackWidow|Bot|ChinaClaw|Custo|DISCo|Download|Demon|eCatch|EirGrabber|EmailSiphon|EmailWolf|SuperHTTP|Surfbot|WebWhacker) 1; ~*(Express|WebPictures|ExtractorPro|EyeNetIE|FlashGet|GetRight|GetWeb!|Go!Zilla|Go-Ahead-Got-It|GrabNet|Grafula|HMView|Go!Zilla|Go-Ahead-Got-It) 1; ~*(rafula|HMView|HTTrack|Stripper|Sucker|Indy|InterGET|Ninja|JetCar|Spider|larbin|LeechFTP|Downloader|tool|Navroad|NearSite|NetAnts|tAkeOut|WWWOFFLE) 1; ~*(GrabNet|NetSpider|Vampire|NetZIP|Octopus|Offline|PageGrabber|Foto|pavuk|pcBrowser|RealDownload|ReGet|SiteSnagger|SmartDownload|SuperBot|WebSpider) 1; ~*(Teleport|VoidEYE|Collector|WebAuto|WebCopier|WebFetch|WebGo|WebLeacher|WebReaper|WebSauger|eXtractor|Quester|WebStripper|WebZIP|Wget|Widow|Zeus) 1; ~*(Twengabot|htmlparser|libwww|Python|perl|urllib|scan|Curl|email|PycURL|Pyth|PyQ|WebCollector|WebCopy|webcraw) 1; } # set scheme appropriately in case nginx is sitting behind servers like heroku map $http_x_forwarded_proto $relativescheme { default $http_x_forwarded_proto; '' $scheme; } # websocket headers map $http_upgrade $connection_upgrade { default Upgrade; '' close; } map '' $proxy_prefix { default $relativescheme://$host; } map $targeturl $dest_host { default ''; ~^https?://([^/]+) $1; } # remove origin header from websocket url request: wss://dest:12/blah?somestuff?womginx_ws_origin_header=https://example.com # convert wss://domain.com to https://domain.com map $targeturl $dest_fullwebsocketurl { default $targeturl; ~^ws(s)?://(.+)(\?womginx_ws_origin_header=.+)$ http$1://$2; ~^ws(s)?://(.+) http$1://$2; } # get targeturl destination from referrer map $http_referer $dest_referrerhost { default ''; ~^https?://[^/]+/main(/[^_/]+_)?/(?https?://?[^/]+) $targeturl; } # use $request_uri for proxy cookie rewriting where there is no $targeturl variable map $request_uri $dest_hostwithscheme { default ''; ~^/main(/[^_/]+_)?/(https?://?[^/]+) $2; } # header rewrites map $http_referer $rewrite_referer { default $http_referer; ~^https?://[^/]+/main(/[^_/]+_)?/(?.*) $targeturl; } # rewrite origin header with destination host. if that doesn't exist, don't rewrite it # also, get origin header from websocket request, prioritizing over $http_origin if that exists (see $dest_fullwebsocketurl) map $http_origin:womginxseparate:$request_uri $rewrite_origin { default $dest_hostwithscheme; # origin maybe exists, womginx_ws_origin_header exists ~^.+(\?womginx_ws_origin_header=(.+))$ $2; # origin and womginx_ws_origin_header doesn't exist ~^:womginxseparate: ''; } # womginx_ws_origin_header contain merged slashes from wombat-handler.js to avoid the middle server closing # the websocket connection because of the need to merge it. this is to undo that map $rewrite_origin $reslashed_origin { default $rewrite_origin; ~^(https?:/)([^/].*) $1/$2; } server { server_name womginx.arph.org; listen 80; listen 443 ssl; ssl_certificate /etc/letsencrypt/live/womginx.arph.org/fullchain.pem; ssl_certificate_key /etc/letsencrypt/live/womginx.arph.org/privkey.pem; merge_slashes off; proxy_ssl_server_name on; error_page 404 = @referrer-handler; # reason for putting rewrites here is putting them in parent of nested locations will # not apply to child locations # use undecoded uri as location for proxying encoded urls rewrite ^ $request_uri; # convert /main/http:/google.com to /main/http://google.com internally without redirect # because some services like repl.it force-merge double slashes # (this is handled together with wombat-handler.js) rewrite ^\/main(?\/[^\/_]+_)?(?\/(?:http|ws)s?:\/)(?[^\/].*) /main$mod$url_preslash/$url_postslash; # convert /main/http://domain.com to /main/http://domain.com/ # convert /main/http://domain.com?a to /main/http://domain.com/?a rewrite ^(/main/https?://[^/?]*)/?(.*) $1/$2; set $womginx_cookie 'womginx_are_you_a_bot=no; Path=/; HttpOnly'; # Seemlessly add womginx cookie to improve user experience. Cookies sometimes get unset by # the proxy site server so it is confusing when the 403 error pops up. Also, going to / to set cookie # wouldn't necessarily work since the browser caches the page but doesn't actually set the required cookie. # example url: /womginxaddcookie/timestamp_for_cache_busting/https://womginxserver/main/https://www.google.com location ~^/womginxaddcookie/\d+/(.+) { add_header Set-Cookie $womginx_cookie; return 302 $1; } #### static file requests handling #### # serve static files, disallow access to .git directories, and ignore prefixes starting with /main/ location ~^((?!/\.git|^/main/).)*$ { add_header 'Set-Cookie' $womginx_cookie; alias /home/binary/womginx/public$uri; # if no file is found, pass it to @referrer-handler } location = / { if ($dest_referrerhost = '') { rewrite ^ /index.html last; } # if no file exists, pass it to @referrer-handler return 404; } # catch links like '/assets.png' and redirect them by their referrer if referrer is valid location @referrer-handler { # if referrer doesn't exist, send 404 page if ($dest_referrerhost = '') { return 404; } # if it exists, send appropriate redirection return 302 $proxy_prefix/main/$dest_referrerhost$request_uri; } #### proxy requests handling #### location /main { # reason for including all proxy header modifications here is because apparently, # using proxy_set_header in a child block automatically negates all parent proxy_set_header # directives. # disable disabling inline scripts (if proxy sends a content-security-policy like that over) proxy_hide_header Content-Security-Policy; # force proxy to send non-compressed for sub_filter to work proxy_set_header Accept-Encoding 'identity;q=1, *;q=0'; # prevent proxied servers' HSTS headers from affecting the client proxy_hide_header Strict-Transport-Security; # enable support for embedding proxy site in an iframe proxy_hide_header X-Frame-Options; # rewrite referer header proxy_set_header Referer $rewrite_referer; # rewrite origin header proxy_set_header Origin $reslashed_origin; # rewrite cookie domain and path proxy_cookie_domain ~(.*) $host; # rewrite cookie path proxy_cookie_path ~(/.*) /main/$dest_hostwithscheme$1; # websocket headers proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection $connection_upgrade; # fix "upstream sent too big header/body" proxy_buffer_size 16k; # proxy_buffer_size + 8k proxy_busy_buffers_size 24k; # numOfBuffers * bufferSize >= proxy_buffer_size proxy_buffers 4 16k; # client can only upload files less than 100M client_max_body_size 100M; # rewrite relative urls like /main/// to /main/https:// internally without redirect location ~^/main(/[^_/]+_)?///(?.+) { rewrite ^/main(/[^_/]+_)?///(?.+) /main$1/$relativescheme://$protocol_relative_url last; } # redirect any url with /main/google.com to /main/https://google.com location ~^/main(/[^/_]+_)?(?!(/[^/_]+_)?/(http|ws)s?://|//)/(?.*) { return 302 $proxy_prefix/main$1/$relativescheme://$rewrite_url_with_scheme; } # handle websocket connections location ~^/main/\d*ws_/(?.+){ proxy_http_version 1.1; proxy_pass $dest_fullwebsocketurl; } # serve assets location ~^/main/\d*(im|oe)_/(?.+) { proxy_pass $targeturl; } # serve web and service workers. rewrites are done client side location ~^/main/\d*(wkr|sw)_/(?.+) { proxy_pass $targeturl; } # rewrite js files location ~^/main/\d*js_/(?.+) { sub_filter_once off; sub_filter_types *; sub_filter '.postMessage(' '.__WB_pmw(self.window).postMessage('; sub_filter '.postMessage (' '.__WB_pmw(self.window).postMessage ('; sub_filter 'window.location' 'window.currentLocation'; proxy_pass $targeturl; } # redirect any url with /main/unsupportedmod_/blahblah to /main/blahblah location ~^/main/[^_/]+_/(?.+) { return 302 $proxy_prefix/main/$redirecttargeturl; } location ~^/main/(?.*)$ { # blacklist urls if ($blacklist) { return 403 'Sorry. The owner of this proxy decided to disallow access to this content.'; } # blacklist user agents if ($blacklist_useragent) { return 403 'Sorry, you are not allowed to access this content.'; } # deny access to anyone without the special cookie, but redirect them appropriately to set it if ($cookie_womginx_are_you_a_bot != 'no') { add_header Content-Type text/html always; return 403 ''; } # handle proxy sending redirection requests proxy_redirect ~^(https?://.+) $proxy_prefix/main/$1; sub_filter_once off; # sub_filter_types text/html; already text/html by default but leaving it here for clarity # and commenting it out to suppress duplicate warnings # wrap href,src,poster,action,srcset,data,codebase links. # and add a womginx-processed attribute to the tag to notify client js it is already handled. # since we're not using subs_filter module for simplicity of installation, we are going to # list every possible combination. However, we only need to do src and script src tags # because they cannot be handled by wombat, and for the rest of the attributes, we can # let the client handle it for offloading the CPU load to the client and maintaining # the integrity of the html document (so we reduce chances of replacing an attribute at a # wrong place) set $processed_flag_attribute 'womginx-processed'; # 1. change 'href="//domain/image.png' to 'womginx-processed href="/main/$relativescheme://domain/image.png' # for scripts, serve under /main/js_/http://domain.com/script.js to inject wombat code sub_filter ' '; proxy_pass $targeturl; } } } } ================================================ FILE: public/index.css ================================================ body { font-family: "Ubuntu"; font-size: "25px"; text-align: center; background-color: #1c9a54; background-repeat: no-repeat; background-size: cover } .container { margin-top: 10%; font-family: "Ubuntu"; font-size: "50px"; color: #FFF; } .container p { font-size: 50px; margin-bottom: 2px; } #iurl { background-color: inherit; width: 100%; height: 28px; border: solid 1px #FFF; font-family: "Ubuntu"; font-size: 16px; color: #eee; padding: 8px 0px; margin-bottom: 5px; box-sizing: content-box; text-align: center; border-radius: 2px; } #btn { background-color: inherit; width: 100%; height: 28px; border: solid 1px #0066ff; font-family: "Ubuntu"; font-size: 16px; color: #0066ff; padding: 8px 0px; box-sizing: content-box; transition: 0.3s; border-radius: 2px; } #btn:hover { background: #0066ff; color: #fff; background-repeat: no-repeat; } .container a { height: 20px; background: inherit; background-size: cover; color: #ddd; border: 0; cursor: pointer; font-family: "Ubuntu"; font-size: 17px; transition: 0.3s; } .container a:hover { font-size: 23; } .url { width: 300px; margin: auto; } ================================================ FILE: public/index.html ================================================ NGINX Proxy
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================================================ FILE: public/wombat-handler.js ================================================ (function () { // rewrite url /main/https:/google.com /main/https://google.com without refreshing the page var rewriteDoubleSlash = window.location.pathname.match(/\/main(?\/[^\/_]+_)?(?\/(?:http|ws)s?:\/)(?[^\/].*)/); if (rewriteDoubleSlash) { window.history.pushState(null, null, '/main' + (rewriteDoubleSlash.groups.mod || '') + rewriteDoubleSlash.groups.url_preslash + '/' + rewriteDoubleSlash.groups.url_postslash + window.location.hash); } var mergeDoubleSlash = function (url) { // only merge if server forcefully merges and url is not a blob or data if (!rewriteDoubleSlash || !/^((http|ws)s?:\/)/.test(url.toString())) { return url; } // don't merge the real protocol of the url return url.toString().slice(0, 7) + url.toString().slice(7).replace(/\/+/g, '/'); }; var proxy_dest_split = window.location.pathname.split(/(?=\/)/); var proxy_prefix = window.location.protocol + "//" + window.location.host; var proxy_path = proxy_dest_split.shift() + "/"; var dest_fullurl = proxy_dest_split.join("").slice(1); var dest_schemeMatch = dest_fullurl.match(/^[^:]*/); var dest_scheme = dest_schemeMatch ? dest_schemeMatch[0] : ""; var dest_hostMatch = dest_fullurl.match(/^[^:]*:\/\/([^/]*)/); var dest_host = dest_hostMatch ? dest_hostMatch[1] : ""; var processed_flag_attribute = document.currentScript.getAttribute("processed-attribute"); var absoluteMatch = /^(\/|https?:\/\/|data:image\/png;)/; var wbinfo = {} wbinfo.url = dest_fullurl; wbinfo.timestamp = ""; // time wbinfo.request_ts = ""; // time wbinfo.prefix = proxy_prefix + proxy_path; wbinfo.mod = ""; wbinfo.top_url = proxy_prefix + proxy_path + dest_fullurl; wbinfo.is_framed = false; wbinfo.is_live = true; wbinfo.coll = ""; wbinfo.proxy_magic = ""; wbinfo.static_prefix = proxy_prefix + "/wombat/dist/"; wbinfo.wombat_ts = ""; // time wbinfo.wombat_scheme = dest_scheme; wbinfo.wombat_host = dest_host; wbinfo.wombat_sec = "1"; // time wbinfo.wombat_opts = {}; if (window && window._WBWombat && !window._wb_js_inited && !window._wb_wombat) { // fix google search replaceState window.history._womginx_replaceState = window.history.replaceState; window.history.replaceState = function (stateObj, title, url) { if (window.location.pathname.startsWith("/main/https://www.google.com")) { url = ""; } return this._womginx_replaceState(stateObj, title, url); }; // auto-merge slashes if server merges them with redirects (which break non-GET requests such as POST) window.XMLHttpRequest.prototype._womginx_open = window.XMLHttpRequest.prototype.open; window.XMLHttpRequest.prototype.open = function (method, url, async, username, password) { return this._womginx_open(method, mergeDoubleSlash(url), async, username, password); }; window.XMLHttpRequest.prototype.url window._womginx_fetch = window.fetch; window.fetch = function (input, init) { if (typeof input === 'string') { return window._womginx_fetch(mergeDoubleSlash(input), init); } var request = new Request(input, init); return _womginx_fetch(mergeDoubleSlash(input.url), request); }; // add websocket origin support and auto-merge slashes window._womginx_WebSocket = window.WebSocket; window.WebSocket = function (url, protocols) { url = url + '?womginx_ws_origin_header=' + dest_scheme + '://' + dest_host; return new window._womginx_WebSocket(mergeDoubleSlash(url), protocols); }; // disable Date.now as it breaks hashing functionality in sites like discord _WBWombat.prototype.initDateOverride = function () { }; // disable making Math.random predictable or "replayable" _WBWombat.prototype.initSeededRandom = function () { }; // disable storage override as it breaks some sites like discord _WBWombat.prototype.initStorageOverride = function () { }; // wrap localStorage.get/setItem to mimick behavior of items only accessible per host // get local reference to localStorage in case sites like discord.com intentionally sets it to undefined var localStorage = window.localStorage; var localStorageSetItem = localStorage.setItem; var hostLocalStorage = {}; try { if (localStorage.getItem(dest_host)) { hostLocalStorage = JSON.parse(localStorage.getItem(dest_host)); if (typeof hostLocalStorage !== 'object') hostLocalStorage = {}; } } catch (e) { } // set a timeout to save to localStorage in case scripts in a webpage makes 100 calls to setItem var timeoutLocalStorage = -1; var saveLocalStorage = function () { if (timeoutLocalStorage === -1) { timeoutLocalStorage = setTimeout(function () { timeoutLocalStorage = -1; localStorageSetItem.call(localStorage, dest_host, JSON.stringify(hostLocalStorage)); }, 50); } }; localStorage.key = function (number) { return Object.keys(hostLocalStorage)[number]; }; localStorage.getItem = function (key) { if (hostLocalStorage[key] === undefined) return null; return hostLocalStorage[key]; }; localStorage.setItem = function (key, value) { hostLocalStorage[key] = value; saveLocalStorage(); }; localStorage.removeItem = function (key) { delete hostLocalStorage[key]; saveLocalStorage(); }; localStorage.clear = function () { hostLocalStorage = {}; saveLocalStorage(); }; window._wb_wombat = new _WBWombat(window, wbinfo); window._wb_wombat.wombatInit(); // fix wombat errors in cases of new Blob([]) without options argument window._womginx_Blob = window.Blob; window.Blob = function (data, options = {}) { return new window._womginx_Blob(data, options); }; // fix rewriteWorker on instances of "TrustedScriptURL" // and also rewrite them and fetch the code using synchronous xhr to rewrite them using client js window._wb_wombat._womginx_rewriteWorker = window._wb_wombat.rewriteWorker; window._wb_wombat.rewriteWorker = function (workerUrl) { // convert rewriteWorker to string in cases of "TrustedScriptURL" workerUrl = workerUrl.toString(); // snippet of code taken directly from // https://github.com/webrecorder/wombat/blob/61be8e9b67f21d6a0459633a2737cd72c6236a6b/src/wombat.js#L2508 if (!workerUrl) return workerUrl; var isBlob = workerUrl.indexOf("blob:") === 0; var isJS = workerUrl.indexOf("javascript:") === 0; if (!isBlob && !isJS) { // fetch worker js synchronously and then replace workerUrl with blob to force rewriting var request = new XMLHttpRequest(); request.open("GET", workerUrl, false); request.send(); workerUrl = window.URL.createObjectURL(new Blob([request.responseText], { type: 'application/javascript' })); } return this._womginx_rewriteWorker(workerUrl); }; // addStyles: if website for some reason has recursive css (ex. in file style.css, "import style.css"), // ignore already imported css to prevent client from crashing var addedStyles = []; var addStyleContent = function (cssText, relativePath, removeElem, async) { var style = document.createElement("style"); if (relativePath) { var replacer = function (match, n1, n2, n3, offset, string) { var rewrittenN2 = n2; // check absolute path and append relativePath if necessary if (absoluteMatch.test(n2)) { rewrittenN2 = window._wb_wombat.rewriteUrl(n2); } else { rewrittenN2 = relativePath + n2 } // @import url(https://something.com/other.css) if (n1.startsWith("url") && string.slice(0, offset).trim().endsWith("@import")) { addStyle(rewrittenN2, null, async); return "''"; } if (n1.startsWith("@import")) { if (n2.trim()) { // recursive add css document addStyle(rewrittenN2, null, async); return ""; } else { // erase leftover from style_regex return ""; } } return n1 + rewrittenN2 + n3; }; style.textContent = cssText .replace(window._wb_wombat.STYLE_REGEX, replacer) .replace(window._wb_wombat.IMPORT_REGEX, replacer);; } else { style.textContent = cssText; } if (removeElem) { if (removeElem.tagName === "STYLE") { removeElem.textContent = style.textContent; } else { if (removeElem.parentNode) { removeElem.parentNode.insertBefore(style, removeElem); } removeElem.remove(); } } else { document.head.appendChild(style); } }; var addStyle = function (linkToStyle, oldLinkElem, async = true) { if (addedStyles.includes(linkToStyle)) return; var request = new XMLHttpRequest(); // assume xmlhttprequest is already wrapped request.onload = function () { if (request.status < 400) { addedStyles.push(linkToStyle); var relativeMatch = /^[^]*\//; var relativePath = linkToStyle.match(relativeMatch); relativePath = relativePath ? relativePath[0] : ""; addStyleContent(request.responseText, relativePath, oldLinkElem); } }; request.open("GET", linkToStyle, async); request.send(); }; window._wb_wombat._womginx_rewriteElem = window._wb_wombat.rewriteElem; window._wb_wombat.rewriteElem = function (elem) { // convert link spreadsheet into inline style tags for // js to handle the heavy lifting of regexing everything if (elem && elem.tagName === "LINK" && elem.rel === "stylesheet" && elem.getAttribute("href").indexOf("data:text/css") !== 0) { // addStyle(elem.getAttribute("href"), elem); // return true; } else if (elem.tagName === "STYLE") { // addStyleContent(elem.textContent, "", elem); // return true; } return this._womginx_rewriteElem(elem); }; window.addEventListener("DOMContentLoaded", function () { var elements = Array.from(document.getElementsByTagName("*")); for (var i = 0; i < elements.length; i++) { // rewrite img tags regardless, since nginx replaces it with src to handle // script tags but not srcset of the img tags if (elements[i].tagName !== "IMG" && elements[i].hasAttribute(processed_flag_attribute)) { continue; } if (elements[i].tagName === "SCRIPT" && absoluteMatch.test(elements[i].src)) { var script = elements[i].cloneNode(); elements[i].parentNode.insertBefore(script, elements[i]); } else { window._wb_wombat.rewriteElem(elements[i]); } } }); var getProxyUrl = function () { return window.location.href.match(/^https?:\/\/[^\/]+\/main(\/[^_\/]+_)?\/(.*)/)[2]; // return window.location.href; }; // unfortunately, I was not able to find another way of copying the window.location // without it throwing illegal invocation or losing setter functionality like window.currentLocation.href = "something" var previousLocation = window.location.href; var locationObj = new URL(getProxyUrl()); var updateLocationObj = function () { if (window.location.href !== previousLocation) { locationObj = new URL(getProxyUrl()); } }; var currentLocationProp = { get ancestorOrigins() { updateLocationObj(); return window.location.ancestorOrigins; }, get href() { updateLocationObj(); return locationObj.href; }, set href(value) { window.location.href = window._wb_wombat.rewriteUrl(value); }, get protocol() { updateLocationObj(); return locationObj.protocol; }, set protocol(value) { window.location.protocol = value; }, get host() { updateLocationObj(); return locationObj.host; }, set host(value) { window.location.host = value; }, get hostname() { updateLocationObj(); return locationObj.hostname; }, set hostname(value) { window.location.hostname = value; }, get port() { updateLocationObj(); return locationObj.port; }, set port(value) { window.location.port = value; }, get pathname() { updateLocationObj(); return locationObj.pathname; }, set pathname(value) { window.location.pathname = value; }, get search() { updateLocationObj(); return locationObj.search; }, set search(value) { window.location.search = value; }, get hash() { updateLocationObj(); return locationObj.hash; }, set hash(value) { window.location.hash = value; }, get origin() { updateLocationObj(); return locationObj.origin; }, assign(url) { window.location.assign(window._wb_wombat.rewriteUrl(url)); }, reload() { window.location.reload(); }, replace(url) { window.location.replace(window._wb_wombat.rewriteUrl(url)); }, toString() { updateLocationObj(); return locationObj.href; } }; Object.defineProperty(window, "currentLocation", { get: function () { return currentLocationProp; }, set: function (value) { window.location = window._wb_wombat.rewriteUrl(value); }, }); } })(); ================================================ FILE: replit-run.sh ================================================ #!/bin/bash set -e DIR=$(pwd) ESCAPED_DIR=$(echo $DIR | sed -e 's/\//\\\//g') git pull # install and build wombat or just update if the folder already exists if [ ! -d $DIR/public/wombat/dist ]; then git submodule update --init --recursive cd $DIR/public/wombat npm install && npm run build-prod fi cd $DIR # modify replit-nginx.conf without modifying nginx.conf to avoid git pull conflict message rm -rf replit-nginx-temp mkdir replit-nginx-temp cp nginx.conf replit-nginx-temp/ cd replit-nginx-temp ../docker-sed.sh # replace with appropriate public dir path sed -i "s/\/opt\/womginx\/public/$ESCAPED_DIR\/public/g" nginx.conf # add missing mime.types curl https://raw.githubusercontent.com/nginx/nginx/master/conf/mime.types -o mime.types sed -i "s/\/etc\/nginx\/mime.types/$ESCAPED_DIR\/replit-nginx-temp\/mime.types/g" nginx.conf # for some reason, the 1.1.1.1 and 8.8.8.8 dns doesn't work sed -i "s/1.1.1.1/1.1.1.3/" nginx.conf # point cache folders to writable directories rm -rf /tmp/womginx-cache mkdir /tmp/womginx-cache CACHE_DIR="\/tmp\/womginx-cache" sed -i $"s/http {/http {\ client_body_temp_path $CACHE_DIR\/client_body;\ proxy_temp_path $CACHE_DIR\/proxy;\ fastcgi_temp_path $CACHE_DIR\/fastcgi;\ uwsgi_temp_path $CACHE_DIR\/uwsgi;\ scgi_temp_path $CACHE_DIR\/scgi;\ /" nginx.conf nginx -c $DIR/replit-nginx-temp/nginx.conf -g 'error_log stderr;' ================================================ FILE: replit.nix ================================================ { pkgs }: { deps = [ pkgs.nginx pkgs.nodejs-16_x ]; }