Repository: zotero/translation-server
Branch: master
Commit: d88a8d538445
Files: 56
Total size: 183.8 KB
Directory structure:
gitextract_c6fz8f0f/
├── .dockerignore
├── .eslintignore
├── .eslintrc
├── .github/
│ └── workflows/
│ └── ci.yml
├── .gitignore
├── .gitmodules
├── COPYING
├── Dockerfile
├── README.md
├── config/
│ ├── custom-environment-variables.json
│ ├── default.json5
│ └── test.json
├── docker-entrypoint.sh
├── lambda_config.env-sample
├── lambda_deploy
├── lambda_local_test
├── lambda_local_test_event.json
├── lambda_package
├── lambda_template.yaml.j2
├── package.json
├── src/
│ ├── args.js
│ ├── cors.js
│ ├── debug.js
│ ├── exportEndpoint.js
│ ├── formats.js
│ ├── http.js
│ ├── importEndpoint.js
│ ├── lambda.js
│ ├── proxy.js
│ ├── searchEndpoint.js
│ ├── server.js
│ ├── testEndpoint.js
│ ├── textSearch.js
│ ├── translation/
│ │ ├── sandboxManager.js
│ │ ├── translate.js
│ │ └── translate_item.js
│ ├── translators.js
│ ├── utilities.js
│ ├── webEndpoint.js
│ ├── webSession.js
│ └── zotero.js
├── test/
│ ├── data/
│ │ ├── bibtex_response.xml
│ │ ├── loc_book1_response.xml
│ │ └── pubmed_article1_response.xml
│ ├── export_test.js
│ ├── import_test.js
│ ├── mocha.opts
│ ├── search_test.js
│ ├── setup.js
│ ├── testTranslators/
│ │ └── testTranslators.js
│ └── web_test.js
├── translate_export
├── translate_search
├── translate_url
├── translate_url_multiple
└── translate_url_single
================================================
FILE CONTENTS
================================================
================================================
FILE: .dockerignore
================================================
.git/
modules/translators/
Dockerfile
docker-compose.*
npm-debug.log
node_modules/
================================================
FILE: .eslintignore
================================================
connectorTypeSchemaData.js
modules
src/rdf/*
================================================
FILE: .eslintrc
================================================
{
"env": {
"es6": true,
"node": true,
"mocha": true
},
"globals": {
"Zotero": false
},
"extends": [
"@zotero"
],
"parserOptions": {
"ecmaVersion": 2018
},
"rules": {}
}
================================================
FILE: .github/workflows/ci.yml
================================================
name: CI
on: [push, pull_request]
jobs:
build:
name: Test
runs-on: ubuntu-latest
timeout-minutes: 5
strategy:
matrix:
node-version: [20, 22, 24, 25]
steps:
- uses: actions/checkout@v2
- run: git submodule update --init --depth=1 modules/translate
- run: git submodule update --init --depth=1 modules/utilities
- run: git submodule update --init --depth=1 modules/zotero-schema
- run: git submodule update --init --depth=1 modules/translators
- name: Install Node ${{ matrix.node-version }}
uses: actions/setup-node@v2
with:
node-version: ${{ matrix.node-version }}
- run: npm ci
- run: npm test
================================================
FILE: .gitignore
================================================
node_modules
config/production.json
config/dev.json
config/local.json
lambda_config*.env
================================================
FILE: .gitmodules
================================================
[submodule "modules/translators"]
path = modules/translators
url = https://github.com/zotero/translators
[submodule "modules/utilities"]
path = modules/utilities
url = https://github.com/zotero/utilities.git
[submodule "modules/translate"]
path = modules/translate
url = https://github.com/zotero/translate.git
[submodule "modules/zotero-schema"]
path = modules/zotero-schema
url = https://github.com/zotero/zotero-schema.git
================================================
FILE: COPYING
================================================
Zotero is Copyright © 2018-2021 Corporation for Digital Scholarship,
Vienna, Virginia, USA http://digitalscholar.org
Copyright © 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
Roy Rosenzweig Center for History and New Media, George Mason University,
Fairfax, Virginia, USA http://zotero.org
The Corporation for Digital Scholarship distributes the Zotero source code
under the GNU Affero General Public License, version 3 (AGPLv3). The full text
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The Zotero name is a registered trademark of the Corporation for Digital Scholarship.
See http://zotero.org/trademark for more information.
Third-party copyright in this distribution is noted where applicable.
All rights not expressly granted are reserved.
=========================================================================
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the GNU Affero General Public License from time to time. Such new versions
will be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the
Program specifies that a certain numbered version of the GNU Affero General
Public License "or any later version" applies to it, you have the
option of following the terms and conditions either of that numbered
version or of any later version published by the Free Software
Foundation. If the Program does not specify a version number of the
GNU Affero General Public License, you may choose any version ever published
by the Free Software Foundation.
If the Program specifies that a proxy can decide which future
versions of the GNU Affero General Public License can be used, that proxy's
public statement of acceptance of a version permanently authorizes you
to choose that version for the Program.
Later license versions may give you additional or different
permissions. However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
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: Dockerfile
================================================
FROM node:lts
# install npm dependencies
WORKDIR /app
COPY ./package.json /app/package.json
RUN npm install
# copy the code
# (after dependencies installation)
COPY . /app
# Cloning zotero translators repository
RUN git clone --depth=1 https://github.com/zotero/translators.git /app/modules/translators/
# run the application
EXPOSE 1969
ENTRYPOINT [ "./docker-entrypoint.sh" ]
================================================
FILE: README.md
================================================
# Zotero Translation Server
[](https://github.com/zotero/translation-server/actions)
The Zotero translation server lets you use [Zotero translators](https://www.zotero.org/support/translators) without the Zotero client.
## Installation
### Running via Docker
The easiest way to run a local instance of translation-server is via Docker.
```
docker pull zotero/translation-server
docker run -d -p 1969:1969 --rm --name translation-server zotero/translation-server
```
This will pull the latest image [from Docker Hub](https://registry.hub.docker.com/r/zotero/translation-server)
and run it as a background process on port 1969. Use `docker kill translation-server` to stop it.
### Running from source
First, fetch the source code and install Node dependencies:
1. `git clone --recurse-submodules https://github.com/zotero/translation-server`
1. `cd translation-server`
1. `npm install`
Once you've set up a local copy of the repo, you can run the server in various ways:
#### Node.js
`npm start`
#### Docker (development)
Build from the local repo and run in foreground:
```
docker build -t translation-server .
docker run -ti -p 1969:1969 --rm translation-server
```
#### AWS Lambda
translation-server can also run on AWS Lambda and be accessed through API Gateway. You will need the [AWS SAM CLI](https://docs.aws.amazon.com/lambda/latest/dg/sam-cli-requirements.html) to deploy the server.
Copy and configure config file:
```
cp lambda_config.env-sample lambda_config.env
```
Test locally:
```
./lambda_local_test lambda_config.env
```
Deploy:
```
./lambda_deploy lambda_config.env
```
You can view the API Gateway endpoint in the Outputs section of the console output.
## User-Agent
By default, translation-server uses a standard Chrome `User-Agent` string to maximize compatibility. This is fine for personal usage, but for a deployed service, it’s polite to customize `User-Agent` so that sites can identify requests and contact you in case of abuse.
You can do this by setting the `USER_AGENT` environment variable:
`USER_AGENT='my-custom-translation-server/2.0 (me@example.com)' npm start`
If you find that regular requests are being blocked with a fully custom user-agent string, you can also add an identifier and contact information to the end of a standard browser UA string:
```
export USER_AGENT='Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36 my-custom-translation-server/2.0 (me@example.com)'
npm start
```
## Proxy Support
You can configure translation-server to use a proxy server by setting the `HTTP_PROXY` and `HTTPS_PROXY` environment variables:
`HTTP_PROXY=http://proxy.example.com:8080 HTTPS_PROXY=http://proxy.example.com:8080 npm start`
If your proxy server uses a self-signed certificate, you can set `NODE_TLS_REJECT_UNAUTHORIZED=0` to force Node to ignore certificate errors.
It’s also possible to opt out of proxying for specific hosts by using the `NO_PROXY` variable. See the [Node `request` library documentation](https://github.com/request/request#controlling-proxy-behaviour-using-environment-variables) for more details.
## Running tests
`npm test`
## Endpoints
### Web Translation
#### Retrieve metadata for a webpage:
```
$ curl -d 'https://www.nytimes.com/2018/06/11/technology/net-neutrality-repeal.html' \
-H 'Content-Type: text/plain' http://127.0.0.1:1969/web
```
Returns an array of translated items in Zotero API JSON format
#### Retrieve metadata for a webpage with multiple results:
```
$ curl -d 'https://www.ncbi.nlm.nih.gov/pubmed/?term=crispr' \
-H 'Content-Type: text/plain' http://127.0.0.1:1969/web
```
Returns `300 Multiple Choices` with a JSON object:
```
{
"url": "https://www.ncbi.nlm.nih.gov/pubmed/?term=crispr",
"session": "9y5s0EW6m5GgLm0",
"items": {
"u30044970": {
"title": "RNA Binding and HEPN-Nuclease Activation Are Decoupled in CRISPR-Cas13a."
},
"u30044923": {
"title": "Knockout of tnni1b in zebrafish causes defects in atrioventricular valve development via the inhibition of the myocardial wnt signaling pathway."
},
// more results
}
}
```
To make a selection, delete unwanted results from the items object and POST the returned data back to the server as `application/json`.
### Search Translation
Retrieve metadata from an identifier (DOI, ISBN, PMID, arXiv ID):
```
$ curl -d 10.2307/4486062 -H 'Content-Type: text/plain' http://127.0.0.1:1969/search
```
### Export Translation
Convert items in Zotero API JSON format to a [supported export format](https://github.com/zotero/translation-server/blob/master/src/formats.js) (RIS, BibTeX, etc.):
```
$ curl -d @items.json -H 'Content-Type: application/json' 'http://127.0.0.1:1969/export?format=bibtex'
```
### Import Translation
Convert items in any [import format](https://www.zotero.org/support/kb/importing_standardized_formats)
to the Zotero API JSON format:
```
$ curl --data-binary @data.bib -H 'Content-Type: text/plain' http://127.0.0.1:1969/import
================================================
FILE: config/custom-environment-variables.json
================================================
{
"translatorsDirectory": "TRANSLATORS_DIR"
}
================================================
FILE: config/default.json5
================================================
{
"allowedOrigins": [], // CORS
"blacklistedDomains": [],
"deproxifyURLs": false, // Automatically try deproxified versions of URLs
"identifierSearchLambda": "", // Identifier search Lambda function for text search
"port": 1969,
"host": "0.0.0.0", // host to listen on
"httpMaxResponseSize": 10, // Max size of requested response to load; triggers 400 ResponseSize error when exceeded
"textSearchTimeout": 5,
"translators": {
"CrossrefREST.email": "" // Pass an email to Crossref REST API to utilize the faster servers pool
},
"trustProxyHeaders": false, // Trust X-Forwarded-For when logging requests
"userAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36",
"translatorsDirectory": "./modules/translators"
}
================================================
FILE: config/test.json
================================================
{
"testPort": 3456,
"identifierSearchURL": "http://identifier-search/search?q="
}
================================================
FILE: docker-entrypoint.sh
================================================
#!/bin/bash
# will be deprecated when https://github.com/zotero/translation-server/issues/1 will be released
echo "-> Updating zotero translators"
cd /app/modules/translators/
git pull --ff-only origin master
cd /app/
exec npm start
================================================
FILE: lambda_config.env-sample
================================================
node_env=production
deployment_bucket_name=deployment
stack_name=TranslationServer
main_function_name=translation-server
identifier_search_function_name=identifier-search
================================================
FILE: lambda_deploy
================================================
#!/bin/bash -e
dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
if [ -z $1 ]; then
echo "Usage: $0 config.env" >&2
exit 1
fi
set -a
. "$dir/$1"
set +a
./lambda_package
j2 "$dir/lambda_template.yaml.j2" > "$dir/package/template.yaml"
sam package --template-file "$dir/package/template.yaml" --s3-bucket $deployment_bucket_name --output-template-file "$dir/package/package.yaml"
aws cloudformation deploy --template-file "$dir/package/package.yaml" --stack-name $stack_name --capabilities CAPABILITY_IAM
aws cloudformation describe-stacks --stack-name $stack_name
rm -rf "$dir/package"
================================================
FILE: lambda_local_test
================================================
#!/bin/bash -e
dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
if [ -z $1 ]; then
echo "Usage: $0 config.env" >&2
exit 1
fi
set -a
. "$dir/$1"
set +a
j2 "$dir/lambda_template.yaml.j2" > "$dir/lambda_template.yaml"
sam local invoke Lambda --template "$dir/lambda_template.yaml" -e lambda_local_test_event.json
rm "$dir/lambda_template.yaml"
================================================
FILE: lambda_local_test_event.json
================================================
{
"body": "https://www.nytimes.com/2018/06/11/technology/net-neutrality-repeal.html",
"resource": "/{proxy+}",
"requestContext": {
"resourceId": "123456",
"apiId": "1234567890",
"resourcePath": "/{proxy+}",
"httpMethod": "POST",
"requestId": "c6af9ac6-7b61-11e6-9a41-93e8deadbeef",
"accountId": "123456789012",
"identity": {
"apiKey": null,
"userArn": null,
"cognitoAuthenticationType": null,
"caller": null,
"userAgent": "Custom User Agent String",
"user": null,
"cognitoIdentityPoolId": null,
"cognitoIdentityId": null,
"cognitoAuthenticationProvider": null,
"sourceIp": "127.0.0.1",
"accountId": null
},
"stage": "prod"
},
"queryStringParameters": {
},
"headers": {
"Via": "1.1 08f323deadbeefa7af34d5feb414ce27.cloudfront.net (CloudFront)",
"Accept-Language": "en-US,en;q=0.8",
"CloudFront-Is-Desktop-Viewer": "true",
"CloudFront-Is-SmartTV-Viewer": "false",
"CloudFront-Is-Mobile-Viewer": "false",
"X-Forwarded-For": "127.0.0.1, 127.0.0.2",
"CloudFront-Viewer-Country": "US",
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
"Upgrade-Insecure-Requests": "1",
"X-Forwarded-Port": "443",
"Host": "1234567890.execute-api.us-east-1.amazonaws.com",
"X-Forwarded-Proto": "https",
"X-Amz-Cf-Id": "cDehVQoZnx43VYQb9j2-nvCh-9z396Uhbp027Y2JvkCPNLmGJHqlaA==",
"CloudFront-Is-Tablet-Viewer": "false",
"Cache-Control": "max-age=0",
"User-Agent": "Custom User Agent String",
"CloudFront-Forwarded-Proto": "https",
"Accept-Encoding": "gzip, deflate, sdch",
"Content-Type": "text/plain"
},
"pathParameters": {
"proxy": "web"
},
"httpMethod": "POST",
"stageVariables": {
"baz": "qux"
},
"path": "/web"
}
================================================
FILE: lambda_package
================================================
rm -rf package
mkdir package
# Skip files that aren't required i.e. ".git"
cp -R config package/
cp -R modules package/
cp -R node_modules package/
cp -R src package/
# Remove broken symlinks because "sam package" complains
find -L package/ -maxdepth 10 -type l -delete
================================================
FILE: lambda_template.yaml.j2
================================================
AWSTemplateFormatVersion: '2010-09-09'
Transform: 'AWS::Serverless-2016-10-31'
Description: >-
Lambda-based translation-server to run Zotero translators ({{ node_env }})
Resources:
# Lambda function
Lambda:
Type: 'AWS::Serverless::Function'
Properties:
FunctionName: {{ main_function_name }}
CodeUri: ./
Handler: src/lambda.handler
Runtime: nodejs14.x
MemorySize: 2048
Timeout: 30
Policies:
- LambdaInvokePolicy:
FunctionName: {{ identifier_search_function_name }}
Events:
# API Gateway
PostAPI:
Type: Api
Properties:
# Proxy all POST requests to Lambda function
Path: /{proxy+}
Method: post
OptionsAPI:
Type: Api
Properties:
# Proxy all OPTIONS requests to Lambda function
Path: /{proxy+}
Method: options
Environment:
Variables:
NODE_ENV: {{ node_env }}
Outputs:
API:
Value: !Sub "https://${ServerlessRestApi}.execute-api.${AWS::Region}.amazonaws.com/Prod/"
================================================
FILE: package.json
================================================
{
"name": "translation-server",
"version": "2.0.5",
"description": "Zotero translation server",
"license": "AGPL-3.0-only",
"main": "index.js",
"repository": {
"type": "git",
"url": "git+https://github.com/zotero/translation-server-v2"
},
"dependencies": {
"aws-sdk": "^2.1692.0",
"config": "^4.1.1",
"iconv-lite": "^0.4.24",
"jsdom": "^29.0.1",
"koa": "^2.15.3",
"koa-bodyparser": "^4.4.1",
"koa-route": "^3.2.0",
"md5": "^2.3.0",
"request": "^2.88.2",
"request-promise-native": "^1.0.9",
"serverless-http": "^2.7.0",
"w3c-xmlserializer": "^5.0.0",
"whatwg-encoding": "^3.1.1",
"wicked-good-xpath": "git+https://git@github.com/zotero/wicked-good-xpath.git#1b88459",
"xregexp": "^5.1.2",
"yargs": "^12.0.2"
},
"devDependencies": {
"@zotero/eslint-config": "^1.0.8",
"chai": "^4.1.2",
"eslint": "^5.16.0",
"mocha": "^5.2.0",
"sinon": "^6.1.4",
"supertest": "^3.1.0"
},
"scripts": {
"start": "node src/server.js",
"start:debug": "node --inspect src/server.js",
"test": "NODE_ENV=test ALLOW_CONFIG_MUTATIONS=1 node_modules/.bin/mocha test/*_test.js",
"test:import": "DEBUG_LEVEL=0 NODE_ENV=test ALLOW_CONFIG_MUTATIONS=1 node_modules/.bin/mocha test/import_test.js"
}
}
================================================
FILE: src/args.js
================================================
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2018 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
http://zotero.org
This file is part of Zotero.
Zotero 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.
Zotero 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 Zotero. If not, see .
***** END LICENSE BLOCK *****
*/
'use strict';
const { basename } = require('path');
const yargs = require('yargs');
module.exports = yargs
.usage(`Usage: ${basename(process.argv[0])} [options]`)
.wrap(78)
.env('ZOTERO')
.option('translator-tester', {
alias: 't',
type: 'boolean',
default: false,
describe: 'Serve the translator tester at /translatorTester'
})
.help('help');
================================================
FILE: src/cors.js
================================================
const config = require('config');
module.exports = async (ctx, next) => {
headersSet = {};
function set(key, value) {
ctx.set(key, value);
headersSet[key] = value;
}
if (ctx.headers.origin) {
let allowedOrigins = config.get('allowedOrigins').filter(x => x);
let allAllowed = allowedOrigins.includes('*');
if (allAllowed || allowedOrigins.includes(ctx.headers.origin)) {
set("Access-Control-Allow-Origin", allAllowed ? '*' : ctx.headers.origin);
set("Access-Control-Allow-Methods", "POST, GET, OPTIONS");
set("Access-Control-Allow-Headers", "Content-Type");
set("Access-Control-Expose-Headers", "Link");
}
// Force a 200 on API Gateway
ctx.body = '';
}
try {
await next();
}
catch (e) {
e.headers = Object.assign({}, e.headers, headersSet);
throw e;
}
};
================================================
FILE: src/debug.js
================================================
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2009 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
http://zotero.org
This file is part of Zotero.
Zotero 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.
Zotero 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 Zotero. If not, see .
***** END LICENSE BLOCK *****
*/
Zotero.Utilities = require('./utilities');
Zotero.Debug = new function () {
var _console, _stackTrace, _store, _level, _lastTime, _output = [];
var _slowTime = false;
var _colorOutput = false;
var _consoleViewer = false;
var _consoleViewerQueue = [];
var _consoleViewerListener;
/**
* Initialize debug logging
*/
this.init = function (enabled=true) {
this.enabled = enabled;
}
this.log = function (message, level, maxDepth, stack) {
if (!this.enabled) {
return;
}
if (typeof message != 'string') {
message = Zotero.Utilities.varDump(message, 0, maxDepth);
}
if (!level) {
level = 3;
}
// If level above debug.level value, don't display
if (level > _level) {
return;
}
var deltaStr = '';
var deltaStrStore = '';
var delta = 0;
var d = new Date();
if (_lastTime) {
delta = d - _lastTime;
}
_lastTime = d;
var slowPrefix = "";
var slowSuffix = "";
if (_slowTime && delta > _slowTime) {
slowPrefix = "\x1b[31;40m";
slowSuffix = "\x1b[0m";
}
delta = ("" + delta).padStart(7, "0");
deltaStr = "(" + slowPrefix + "+" + delta + slowSuffix + ")";
if (_store) {
deltaStrStore = "(+" + delta + ")";
}
if (stack === true) {
stack = new Error().stack.substr('Error'.length);
}
if (stack) {
message += '\n' + this.stackToString(stack);
}
var output = '(' + level + ')' + deltaStr + ': ' + message;
console.log(output+"\n");
if (_store) {
if (Math.random() < 1/1000) {
// Remove initial lines if over limit
var overage = this.count() - Zotero.Prefs.get('debug.store.limit');
if (overage > 0) {
_output.splice(0, Math.abs(overage));
}
}
_output.push('(' + level + ')' + deltaStrStore + ': ' + message);
}
}
this.get = Zotero.Promise.method(function(maxChars, maxLineLength) {
var output = _output;
var total = output.length;
if (total == 0) {
return "";
}
if (maxLineLength) {
for (var i=0, len=output.length; i maxLineLength) {
output[i] = Zotero.Utilities.ellipsize(output[i], maxLineLength, false, true);
}
}
}
output = output.join('\n\n');
if (maxChars) {
output = output.substr(maxChars * -1);
// Cut at two newlines
let matches = output.match(/^[\n]*\n\n/);
if (matches) {
output = output.substr(matches[0].length);
}
}
return output;
});
this.setStore = function (enable) {
if (enable) {
this.clear();
}
_store = enable;
this.updateEnabled();
this.storing = _store;
}
this.updateEnabled = function () {
this.enabled = _console || _consoleViewer || _store;
};
this.count = function () {
return _output.length;
}
this.clear = function () {
_output = [];
}
/**
* Format a stack trace for output in the same way that Error.stack does
* @param {Components.stack} stack
* @param {Integer} [lines=5] Number of lines to format
*/
this.stackToString = function (stack, lines) {
if (!lines) lines = 5;
var str = '';
while(stack && lines--) {
str += '\n ' + (stack.name || '') + '@' + stack.filename
+ ':' + stack.lineNumber;
stack = stack.caller;
}
return this.filterStack(str).substr(1);
};
/**
* Strip Bluebird lines from a stack trace
*
* @param {String} stack
*/
this.filterStack = function (stack) {
return stack.split(/\n/).filter(line => line.indexOf('zotero/bluebird') == -1).join('\n');
}
}
module.exports = Zotero.Debug;
================================================
FILE: src/exportEndpoint.js
================================================
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2018 Corporation for Digital Scholarship
Vienna, Virginia, USA
https://www.zotero.org
This file is part of Zotero.
Zotero 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.
Zotero 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 Zotero. If not, see .
***** END LICENSE BLOCK *****
*/
const config = require('config');
const { FORMATS, CONTENT_TYPES } = require('./formats');
const Translate = require('./translation/translate');
var ExportEndpoint = module.exports = {
handle: async function (ctx, next) {
ctx.assert(ctx.is('json'), 415);
var items = ctx.request.body;
if (!items) {
ctx.throw(400, "POST data not provided");
}
var query = ctx.request.query;
var translatorID;
if (!query.format || !(translatorID = FORMATS[query.format])) {
ctx.throw(400, "Invalid format specified");
}
if (!items.length || !items[0].itemType) {
ctx.throw(400, "Input must be an array of items as JSON");
}
var translator = Zotero.Translators.get(translatorID);
var legacy = Zotero.Utilities.semverCompare('4.0.27', translator.metadata.minVersion) > 0;
// Emulate itemsToExportFormat as best as we can
for (let item of items) {
// There's no library, so all we have is a key
if (!item.uri) {
item.uri = item.key;
delete item.key;
}
if (legacy) {
// SQL instead of ISO 8601
if (item.dateAdded) item.dateAdded = Zotero.Date.isoToSQL(item.dateAdded);
if (item.dateModified) item.dateAdded = Zotero.Date.isoToSQL(item.dateModified);
if (item.accessDate) item.accessDate = Zotero.Date.isoToSQL(item.accessDate);
}
}
var translate = new Translate.Export();
translate.setTranslator(translatorID);
translate.setItems(items);
try {
await new Promise(function (resolve, reject) {
translate.setHandler("done", function (obj, status) {
if (!status) {
reject();
}
else {
ctx.set('Content-Type', CONTENT_TYPES[query.format]);
ctx.response.body = translate.string;
resolve();
}
});
translate.translate();
});
}
catch (e) {
ctx.throw(
500,
"An error occurred during translation. Please check translation with the Zotero client.",
{ expose: true }
);
}
}
};
================================================
FILE: src/formats.js
================================================
/* eslint camelcase: "off" */
const FORMATS = {
bibtex: "9cb70025-a888-4a29-a210-93ec52da40d4",
biblatex: "b6e39b57-8942-4d11-8259-342c46ce395f",
bookmarks: "4e7119e0-02be-4848-86ef-79a64185aad8",
coins: "05d07af9-105a-4572-99f6-a8e231c0daef",
csljson: "bc03b4fe-436d-4a1f-ba59-de4d2d7a63f7",
csv: "25f4c5e2-d790-4daa-a667-797619c7e2f2",
endnote_xml: "eb7059a4-35ec-4961-a915-3cf58eb9784b",
evernote: "18dd188a-9afc-4cd6-8775-1980c3ce0fbf",
mods: "0e2235e7-babf-413c-9acf-f27cce5f059c",
rdf_bibliontology: "14763d25-8ba0-45df-8f52-b8d1108e7ac9",
rdf_dc: "6e372642-ed9d-4934-b5d1-c11ac758ebb7",
rdf_zotero: "14763d24-8ba0-45df-8f52-b8d1108e7ac9",
refer: "881f60f2-0802-411a-9228-ce5f47b64c7d",
refworks_tagged: "1a3506da-a303-4b0a-a1cd-f216e6138d86",
ris: "32d59d2d-b65a-4da4-b0a3-bdd3cfb979e7",
tei: "032ae9b7-ab90-9205-a479-baf81f49184a",
wikipedia: "3f50aaac-7acc-4350-acd0-59cb77faf620"
};
const CONTENT_TYPES = {
bibtex: "application/x-bibtex",
biblatex: "application/x-bibtex",
bookmarks: "text/html",
coins: "text/html",
csljson: "application/json",
csv: "text/csv",
endnote_xml: "text/xml",
evernote: "text/xml",
mods: "application/mods+xml",
rdf_bibliontology: "application/rdf+xml",
rdf_dc: "application/rdf+xml",
rdf_zotero: "application/rdf+xml",
refer: "application/x-research-info-systems",
refworks_tagged: "text/plain",
ris: "application/x-research-info-systems",
tei: "text/xml",
wikipedia: "text/x-wiki"
};
module.exports = { FORMATS, CONTENT_TYPES };
================================================
FILE: src/http.js
================================================
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2011 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
http://zotero.org
This file is part of Zotero.
Zotero 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.
Zotero 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 Zotero. If not, see .
***** END LICENSE BLOCK *****
*/
var config = require('config');
var request = require('request');
var iconv = require('iconv-lite');
var url = require('url');
var jsdom = require('jsdom');
var { JSDOM } = jsdom;
var wgxpath = require('wicked-good-xpath');
var { MIMEType } = require("whatwg-mimetype"); // Use the same MIME type library as JSDOM
/**
* Functions for performing HTTP requests
* @namespace
*/
Zotero.HTTP = new function() {
this.StatusError = function(url, status, body) {
this.message = `HTTP request to ${url} rejected with status ${status}`;
this.status = status;
this.responseText = body;
};
this.StatusError.prototype = Object.create(Error.prototype);
this.TimeoutError = function(ms) {
this.message = `HTTP request has timed out after ${ms}ms`;
};
this.TimeoutError.prototype = Object.create(Error.prototype);
// Max size of requested response to load; triggers 400 ResponseSizeError when exceeded
this.httpMaxResponseSize = ( config.has('httpMaxResponseSize') ? config.get('httpMaxResponseSize') : 10 ) * 1024 * 1024;
this.ResponseSizeError = function(url) {
this.message = `${url} response exceeds max size`;
};
this.ResponseSizeError.prototype = Object.create(Error.prototype);
this.UnsupportedFormatError = function (url, msg) {
this.message = msg;
};
this.UnsupportedFormatError.prototype = Object.create(Error.prototype);
/**
* Get a promise for a HTTP request
*
* @param {String} method The method of the request ("GET", "POST", "HEAD", or "OPTIONS")
* @param {String} url URL to request
* @param {Object} [options] Options for HTTP request:
* body - The body of a POST request
* headers - Object of HTTP headers to send with the request
* cookieSandbox - The sandbox from which cookies should be taken
* debug - Log response text and status code
* logBodyLength - Length of request body to log
* timeout - Request timeout specified in milliseconds [default 15000]
* responseType - The response type of the request from the XHR spec
* responseTypeMap - A Map of remote content type ('application/x-bibtex') to
* XHR response type ('text'). 'html' and 'xml' imply isHTML() and isXML() from
* whatwg-mimetype. Use an empty string for the key to set a fallback response type;
* otherwise unspecified content types are rejected.
* successCodes - HTTP status codes that are considered successful, or FALSE to allow all
*
* @return {Promise} A promise resolved with an object containing the following XMLHttpRequest properties:
* - responseText {String}
* - getAllResponseHeaders {Function}
* - getResponseHeader {Function}
* - statusCode {Number}
*/
this.request = async function(method, requestURL, options = {}) {
// Default options
options = Object.assign({
body: null,
headers: {},
cookieSandbox: request.jar(),
debug: false,
logBodyLength: 1024,
timeout: 15000,
responseType: '',
successCodes: null,
maxResponseSize: this.httpMaxResponseSize
}, options);
options.headers = Object.assign({
'User-Agent': process.env.USER_AGENT || config.get('userAgent'),
'Accept': '*/*'
}, options.headers);
let logBody = '';
if (['GET', 'HEAD'].includes(method)) {
if (options.body != null) {
throw new Error(`HTTP ${method} cannot have a request body (${options.body})`)
}
} else if(options.body) {
options.body = typeof options.body == 'string' ? options.body : JSON.stringify(options.body);
if (!options.headers) options.headers = {};
if (!options.headers["Content-Type"]) {
options.headers["Content-Type"] = "application/x-www-form-urlencoded";
}
else if (options.headers["Content-Type"] == 'multipart/form-data') {
// Allow XHR to set Content-Type with boundary for multipart/form-data
delete options.headers["Content-Type"];
}
logBody = `: ${options.body.substr(0, options.logBodyLength)}` +
options.body.length > options.logBodyLength ? '...' : '';
// TODO: make sure below does its job in every API call instance
// Don't display password or session id in console
logBody = logBody.replace(/password":"[^"]+/, 'password":"********');
logBody = logBody.replace(/password=[^&]+/, 'password=********');
}
Zotero.debug(`HTTP ${method} ${requestURL}${logBody}`);
// Parse URL to escape it (e.g., Unicode characters)
var parsedURL = new url.URL(requestURL);
let {response, body} = await customRequest(method, parsedURL, options);
if (options.debug) {
Zotero.debug(`HTTP ${response.statusCode} response: ${body}`);
}
var result = {
responseURL: response.request.uri.href,
status: response.statusCode,
getAllResponseHeaders: () => {
return [...Object.entries(response.headers)].map(([k, v]) => `${k}: ${v}\r\n`).join('');
},
getResponseHeader: (header) => {
return response.headers[header.toLowerCase()] || null;
}
};
var mimeType = new MIMEType(response.headers['content-type']);
var responseType = getResponseType(response.headers['content-type'], options);
result.type = responseType;
if (responseType == 'document') {
body = decodeContent(body, response.headers['content-type']);
let dom = new JSDOM(body, {
url: result.responseURL,
// Inform JSDOM what content type it's parsing,
// so it could reject unsupported content types
contentType: response.headers['content-type']
});
wgxpath.install(dom.window, true);
result.response = dom.window.document;
// Follow meta redirects in HTML files
if (mimeType.isHTML() || mimeType.essence == 'application/xhtml+xml') {
let meta = result.response.querySelector('meta[http-equiv=refresh]');
if (meta && meta.getAttribute('content')) {
let parts = meta.getAttribute('content').split(/;\s*url=/);
// If there's a redirect to another URL in less than 15 seconds,
// follow it
if (parts.length == 2 && parseInt(parts[0]) <= 15) {
let newURL = parts[1].trim().replace(/^'(.+)'/, '$1');
newURL = url.resolve(requestURL, newURL);
Zotero.debug("Meta refresh to " + newURL);
result = Zotero.HTTP.request(method, newURL, options);
}
}
}
}
else if (responseType == 'json') {
result.response = JSON.parse(body.toString());
}
else if (responseType == 'text') {
let charset = mimeType.parameters.get('charset');
// Treat unknown charset as utf-8
if (!charset) {
charset = 'utf8';
}
else if (!iconv.encodingExists(charset)) {
Zotero.debug(`Unknown charset ${charset} -- decoding as UTF-8`);
charset = 'utf8';
}
body = iconv.decode(body, charset);
result.response = body;
result.responseText = body;
}
else {
throw new Error("Invalid responseType");
}
return result;
};
/**
* Load one or more documents
*
* This should stay in sync with the equivalent function in the client
*
* @param {String|String[]} urls - URL(s) of documents to load
* @param {Function} processor - Callback to be executed for each document loaded
* @param {CookieJar} [cookieSandbox] Cookie sandbox object
* @return {Promise} - A promise for an array of results from the processor runs
*/
this.processDocuments = async function (urls, processor, options = {}) {
// Handle old signature: urls, processor, onDone, onError
if (arguments.length > 3) {
Zotero.debug("Zotero.HTTP.processDocuments() now takes only 2 arguments -- update your code");
var onDone = arguments[3];
var onError = arguments[4];
}
var cookieSandbox = options.cookieSandbox;
var headers = options.headers;
if (typeof urls == "string") urls = [urls];
var funcs = urls.map(url => () => {
return Zotero.HTTP.request(
"GET",
url,
{
responseType: 'document',
cookieSandbox,
headers
}
)
.then((req) => {
return processor(req.response, req.responseURL);
});
});
// Run processes serially
// TODO: Add some concurrency?
var f;
var results = [];
while (f = funcs.shift()) {
try {
results.push(await f());
}
catch (e) {
if (onError) {
onError(e);
}
throw e;
}
}
// Deprecated
if (onDone) {
onDone();
}
return results;
}
/**
* Send an HTTP GET request
*
* @deprecated Use {@link Zotero.HTTP.request}
* @param {String} url URL to request
* @param {Function} onDone Callback to be executed upon request completion
* @param {String} responseCharset
* @param {CookieJar} cookieSandbox
* @param {Object} headers HTTP headers to include with the request
* @return {Boolean} True if the request was sent, or false if the browser is offline
*/
this.doGet = function(url, onDone, responseCharset, cookieSandbox, headers) {
Zotero.debug('Zotero.HTTP.doGet is deprecated. Use Zotero.HTTP.request');
this.request('GET', url, {responseCharset, headers, cookieSandbox})
.then(onDone, function(e) {
onDone({status: e.status, responseText: e.responseText});
});
return true;
};
/**
* Send an HTTP POST request
*
* @deprecated Use {@link Zotero.HTTP.request}
* @param {String} url URL to request
* @param {String|Object[]} body Request body
* @param {Function} onDone Callback to be executed upon request completion
* @param {String} headers Request HTTP headers
* @param {String} responseCharset
* @param {CookieJar} cookieSandbox
* @return {Boolean} True if the request was sent, or false if the browser is offline
*/
this.doPost = function(url, body, onDone, headers, responseCharset, cookieSandbox) {
Zotero.debug('Zotero.HTTP.doPost is deprecated. Use Zotero.HTTP.request');
this.request('POST', url, {body, responseCharset, headers, cookieSandbox})
.then(onDone, function(e) {
onDone({status: e.status, responseText: e.responseText});
});
return true;
};
}
/**
* A temporary workaround for JSDOM content decoding issues.
* The code is adapted from jsdom/lib/api.js. All dependencies
* are already used internally in JSDOM
*
* TODO: Remove this code when https://github.com/jsdom/jsdom/issues/2495 will be solved
*/
const sniffHTMLEncoding = require("html-encoding-sniffer");
const whatwgEncoding = require("whatwg-encoding");
function decodeContent(html, contentType) {
let transportLayerEncodingLabel;
if (contentType) {
const mimeType = new MIMEType(contentType);
transportLayerEncodingLabel = mimeType.parameters.get("charset");
}
html = Buffer.from(html.buffer, html.byteOffset, html.byteLength);
let encoding = sniffHTMLEncoding(html, {defaultEncoding: "UTF-8", transportLayerEncodingLabel});
html = whatwgEncoding.decode(html, encoding);
return html;
}
/**
* request.js doesn't support response size limitation, therefore
* we have to do it manually
*
* @param {String} method
* @param {String} requestURL
* @param {Object} options
* @return {Promise} response, body
*/
function customRequest(method, requestURL, options) {
return new Promise(function (resolve, reject) {
let response;
// Make sure resolve/reject is called only once even if request.js
// is emitting events when it shouldn't
let returned = false;
// Store buffers in array, because concatenation operation is is unbelievably slow
let buffers = [];
let bufferLength = 0;
let req = request({
uri: requestURL,
method,
headers: options.headers,
timeout: options.timeout,
body: options.body,
gzip: true,
followAllRedirects: true,
jar: options.cookieSandbox,
encoding: null // Get body in a buffer
})
.on('error', function (err) {
if (returned) return;
reject(err);
})
.on('data', function (chunk) {
if (returned) return;
bufferLength += chunk.length;
buffers.push(chunk);
if (bufferLength > options.maxResponseSize) {
req.abort();
returned = true;
reject(new Zotero.HTTP.ResponseSizeError(requestURL));
}
})
.on('response', function (res) {
if (returned) return;
response = res;
if (!response.headers['content-type']) {
returned = true;
return reject(new Zotero.HTTP.UnsupportedFormatError(requestURL, 'Missing Content-Type header'));
}
// Check if the status code is allowed
// Array of success codes given
if (options.successCodes) {
var success = options.successCodes.includes(response.statusCode);
}
// Explicit FALSE means allow any status code
else if (options.successCodes === false) {
var success = true;
}
// Otherwise, 2xx is success
else {
var success = response.statusCode >= 200 && response.statusCode < 300;
}
if (!success) {
returned = true;
return reject(new Zotero.HTTP.StatusError(requestURL, response.statusCode, response.body));
}
// Check Content-Type before starting the download
let supported = true;
let mimeType = new MIMEType(response.headers['content-type']);
if (options.responseType == 'document') {
supported = mimeType.isHTML() || mimeType.isXML();
}
else if (options.responseTypeMap) {
let map = options.responseTypeMap;
supported = (map.has('html') && mimeType.isHTML())
|| (map.has('xml') && mimeType.isXML())
|| map.has(mimeType.essence)
// An empty string for a key allows unspecified types as text
|| map.has('');
}
if (!supported) {
req.abort();
returned = true;
return reject(new Zotero.HTTP.UnsupportedFormatError(
requestURL,
response.headers['content-type'] + ' is not supported'
));
}
// Content-length doesn't always exists or it can be a length of a gzipped content,
// but it's still worth to do the initial size check
if (
response.headers['content-length'] !== undefined &&
response.headers['content-length'] > options.maxResponseSize
) {
req.abort();
returned = true;
reject(new Zotero.HTTP.ResponseSizeError(requestURL));
}
})
.on('end', function () {
if (returned) return;
returned = true;
resolve({response, body: Buffer.concat(buffers, bufferLength)});
});
});
};
function getResponseType(contentType, options) {
var mimeType = new MIMEType(contentType);
if (options.responseType) {
return options.responseType;
}
if (options.responseTypeMap) {
let map = options.responseTypeMap;
if (map.has('html') && mimeType.isHTML()) {
return map.get('html');
}
if (map.has('xml') && mimeType.isXML()) {
return map.get('xml');
}
if (map.has(mimeType.essence)) {
return map.get(mimeType.essence);
}
}
return 'text';
}
module.exports = Zotero.HTTP;
================================================
FILE: src/importEndpoint.js
================================================
'use strict';
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2018 Corporation for Digital Scholarship
Vienna, Virginia, USA
https://www.zotero.org
This file is part of Zotero.
Zotero 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.
Zotero 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 Zotero. If not, see .
***** END LICENSE BLOCK *****
*/
const Translate = require('./translation/translate');
module.exports = {
handle: async function (ctx, _next) {
const translate = new Translate.Import();
translate.setString(ctx.request.body || '');
const translators = await translate.getTranslators();
if (translators.length === 0) {
ctx.throw(500, 'No suitable translators found', { expose: true });
return;
}
translate.setTranslator(translators[0]);
var items = await translate.translate({ libraryID: 1 });
ctx.set('Content-Type', 'application/json');
ctx.set('Zotero-Translator-ID', translators[0].translatorID);
// Convert translator JSON to API JSON
var newItems = [];
items.forEach((item) => {
newItems.push(...Zotero.Utilities.Item.itemToAPIJSON(item));
});
ctx.response.body = JSON.stringify(newItems, null, 2);
}
};
================================================
FILE: src/lambda.js
================================================
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2018 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
https://www.zotero.org
This file is part of Zotero.
Zotero 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.
Zotero 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 Zotero. If not, see .
***** END LICENSE BLOCK *****
*/
const Koa = require('koa');
const _ = require('koa-route');
const bodyParser = require('koa-bodyparser');
const cors = require('./cors');
const serverless = require('serverless-http');
require('./zotero');
const Debug = require('./debug');
var Translators; // Translators module is cashed
const SearchEndpoint = require('./searchEndpoint');
const WebEndpoint = require('./webEndpoint');
const ExportEndpoint = require('./exportEndpoint');
const ImportEndpoint = require('./importEndpoint');
const app = module.exports = new Koa();
app.use(function (ctx, next) {
var msg = `${ctx.method} ${ctx.url} from ${ctx.request.ip} "${ctx.headers['user-agent']}"`;
if (ctx.headers.origin) {
msg += ` (${ctx.headers.origin})`;
}
Zotero.debug(msg);
return next();
});
app.use(cors);
app.use(
bodyParser({
enableTypes: ['text', 'json'],
jsonLimit: '5mb',
textLimit: '3mb',
})
);
app.use(_.post('/web', WebEndpoint.handle.bind(WebEndpoint)));
app.use(_.post('/search', SearchEndpoint.handle.bind(SearchEndpoint)));
app.use(_.post('/export', ExportEndpoint.handle.bind(ExportEndpoint)));
app.use(_.post('/import', ImportEndpoint.handle.bind(ImportEndpoint)));
Debug.init(1);
const handler = serverless(app);
module.exports.handler = async function (event, context) {
if (!Translators) {
Translators = require('./translators');
await Translators.init();
}
var result = await handler(event, context);
return result;
};
================================================
FILE: src/proxy.js
================================================
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2016 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
http://zotero.org
This file is part of Zotero.
Zotero 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.
Zotero 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 Zotero. If not, see .
***** END LICENSE BLOCK *****
*/
/**
* Intercepts web requests to detect and redirect proxies. Loosely based on Zotero for Firefox proxy code.
*
* Zotero.Proxies.Detectors specifies detector functions/objects, which run asynchronously for every
* request and add new proxies based on proxy specific rule match
*
* Zotero.Proxies.proxies defines a list of already known proxies (Zotero.Proxy), based on an URL match scheme.
*
* Each Zotero.Proxy holds a list of already recognized hosts (previously accessed via the proxy
* by the user) and automatically redirects the requests to these hosts via the proxy.
*/
(function() {
"use strict";
var url = require('url');
var TLDS = Zotero.requireTranslate('./tlds');
Zotero.Proxies = new function() {
/**
* Check the url for potential proxies and deproxify, providing a schema to build
* a proxy object.
*
* @param URL
* @returns {Object} Unproxied url to proxy object
*/
this.getPotentialProxies = function(URL) {
var urlToProxy = {};
// If it's a known proxied URL just return it
if (Zotero.Proxies.transparent) {
for (var proxy of Zotero.Proxies.proxies) {
if (proxy.regexp) {
var m = proxy.regexp.exec(URL);
if (m) {
let proper = proxy.toProper(m);
urlToProxy[proper] = proxy.toJSON();
return urlToProxy;
}
}
}
}
urlToProxy[URL] = null;
// if there is a subdomain that is also a TLD, also test against URI with the domain
// dropped after the TLD
// (i.e., www.nature.com.mutex.gmu.edu => www.nature.com)
var m = /^(https?:\/\/)([^\/]+)/i.exec(URL);
if (m) {
// First, drop the 0- if it exists (this is an III invention)
var host = m[2];
if (host.substr(0, 2) === "0-") host = host.substr(2);
var hostnameParts = [host.split(".")];
if (m[1] == 'https://') {
// try replacing hyphens with dots for https protocol
// to account for EZProxy HttpsHypens mode
hostnameParts.push(host.split('.'));
hostnameParts[1].splice(0, 1, ...(hostnameParts[1][0].replace(/-/g, '.').split('.')));
}
for (let i=0; i < hostnameParts.length; i++) {
let parts = hostnameParts[i];
// If hostnameParts has two entries, then the second one is with replaced hyphens
let dotsToHyphens = i == 1;
// skip the lowest level subdomain, domain and TLD
for (let j=1; j=0; i--) {
var param = this.parameters[i];
re = re.replace(Zotero_Proxy_schemeParameterRegexps[param], "$1"+Zotero_Proxy_schemeParameters[param]);
}
this.regexp = new RegExp(re);
}
/**
* Converts a proxied URL to an unproxied URL using this proxy
*
* @param m {Array} The match from running this proxy's regexp against a URL spec
* @type String
*/
Zotero.Proxy.prototype.toProper = function(m) {
if (!Array.isArray(m)) {
let match = this.regexp.exec(m);
if (!match) {
return m
} else {
m = match;
}
}
let hostIdx = this.parameters.indexOf("%h");
let scheme = m[0].indexOf('https') == 0 ? 'https://' : 'http://';
if (hostIdx != -1) {
var properURL = scheme+m[hostIdx+1]+"/";
} else {
var properURL = scheme+this.hosts[0]+"/";
}
// Replace `-` with `.` in https to support EZProxy HttpsHyphens.
// Potentially troublesome with domains that contain dashes
if (this.dotsToHyphens ||
(this.dotsToHyphens == undefined && scheme == "https://") ||
!properURL.includes('.')) {
properURL = properURL.replace(/-/g, '.');
}
if (this.indices["%p"]) {
properURL += m[this.parameters.indexOf("%p")+1];
} else {
var dir = m[this.parameters.indexOf("%d")+1];
var file = m[this.parameters.indexOf("%f")+1];
if (dir !== "") properURL += dir+"/";
properURL += file;
}
return properURL;
}
/**
* Converts an unproxied URL to a proxied URL using this proxy
*
* @param {Object|String} uri The URI corresponding to the unproxied URL
* @type String
*/
Zotero.Proxy.prototype.toProxy = function(uri) {
if (typeof uri == "string") {
uri = url.parse(uri);
// If there's no path it is set to null, but we need
// at least an empty string to avoid doing many checks
uri.path = uri.path || '';
}
if (this.regexp.exec(uri.href) || Zotero.Proxies._isBlacklisted(uri.host)) {
return uri.href;
}
var proxyURL = this.scheme;
for(var i=this.parameters.length-1; i>=0; i--) {
var param = this.parameters[i];
var value = "";
if (param == "%h") {
value = (this.dotsToHyphens && uri.protocol == 'https:') ? uri.host.replace(/\./g, '-') : uri.host;
} else if (param == "%p") {
value = uri.path.substr(1);
} else if (param == "%d") {
value = uri.path.substr(0, uri.path.lastIndexOf("/"));
} else if (param == "%f") {
value = uri.path.substr(uri.path.lastIndexOf("/")+1)
}
proxyURL = proxyURL.substr(0, this.indices[param])+value+proxyURL.substr(this.indices[param]+2);
}
if (proxyURL.includes('://')) {
return proxyURL;
}
return uri.protocol + '//' + proxyURL;
}
/**
* Generate a display name for the proxy (e.g., "proxy.example.edu (HTTPS)")
*
* @return {String}
*/
Zotero.Proxy.prototype.toDisplayName = function () {
try {
var parts = this.scheme.match(/^(?:(?:[^:]+):\/\/)?([^\/]+)/);
var domain = parts[1]
// Include part after %h, if it's present
.split('%h').pop()
// Trim leading punctuation after the %h
.match(/\W(.+)/)[1];
return domain;
}
catch (e) {
Zotero.logError(`Invalid proxy ${this.scheme}: ${e}`);
return this.scheme;
}
}
module.exports = {Proxies: Zotero.Proxies, Proxy: Zotero.Proxy};
})();
================================================
FILE: src/searchEndpoint.js
================================================
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2018 Corporation for Digital Scholarship
Vienna, Virginia, USA
https://www.zotero.org
This file is part of Zotero.
Zotero is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Zotero is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with Zotero. If not, see .
***** END LICENSE BLOCK *****
*/
const config = require('config');
const Translate = require('./translation/translate');
const TextSearch = require('./textSearch');
var SearchEndpoint = module.exports = {
handle: async function (ctx, next) {
ctx.assert(ctx.is('text'), 415);
var data = ctx.request.body;
if (!data) {
ctx.throw(400, "POST data not provided\n");
}
// Look for DOI, ISBN, etc.
var identifiers = Zotero.Utilities.extractIdentifiers(data);
// Use PMID only if it's the only text in the query, with or without a pmid: prefix
if (identifiers.length && identifiers[0].PMID
&& identifiers[0].PMID !== data.replace(/^\s*(?:pmid:)?([0-9]+)\s*$/, '$1')) {
identifiers = [];
}
// Text search
if (!identifiers.length) {
await TextSearch.handle(ctx, next);
return;
}
await this.handleIdentifier(ctx, identifiers[0]);
},
handleIdentifier: async function (ctx, identifier) {
// Identifier
try {
var translate = new Translate.Search();
translate.setIdentifier(identifier);
let translators = await translate.getTranslators();
if (!translators.length) {
ctx.throw(501, "No translators available", { expose: true });
}
translate.setTranslator(translators);
var items = await translate.translate({
libraryID: false
});
}
catch (e) {
if (e == translate.ERROR_NO_RESULTS) {
ctx.throw(501, e, { expose: true });
}
Zotero.debug(e, 1);
ctx.throw(
500,
"An error occurred during translation. "
+ "Please check translation with the Zotero client.",
{ expose: true }
);
}
// Translation can return multiple items (e.g., a parent item and notes pointing to it),
// so we have to return an array with keyed items
var newItems = [];
items.forEach(item => {
newItems.push(...Zotero.Utilities.Item.itemToAPIJSON(item));
});
ctx.response.body = newItems;
}
};
================================================
FILE: src/server.js
================================================
/* eslint no-process-env: "off" */
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2018 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
https://www.zotero.org
This file is part of Zotero.
Zotero 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.
Zotero 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 Zotero. If not, see .
***** END LICENSE BLOCK *****
*/
const process = require('process');
const config = require('config');
const Koa = require('koa');
const _ = require('koa-route');
const bodyParser = require('koa-bodyparser');
const cors = require('./cors');
// Prevent UnhandledPromiseRejection crash in Node 15, though this shouldn't be necessary
process.on('unhandledRejection', (reason, promise) => {
Zotero.debug('Unhandled rejection: ' + (reason.stack || reason), 1)
});
require('./zotero');
const Debug = require('./debug');
const Translators = require('./translators');
const SearchEndpoint = require('./searchEndpoint');
const WebEndpoint = require('./webEndpoint');
const ExportEndpoint = require('./exportEndpoint');
const ImportEndpoint = require('./importEndpoint');
const app = module.exports = new Koa();
if (config.get('trustProxyHeaders')) {
app.proxy = true;
}
app.use(function (ctx, next) {
var msg = `${ctx.method} ${ctx.url} from ${ctx.request.ip} "${ctx.headers['user-agent']}"`;
if (ctx.headers.origin) {
msg += ` (${ctx.headers.origin})`;
}
Zotero.debug(msg);
return next();
});
app.use(cors);
app.use(
bodyParser({
enableTypes: ['text', 'json'],
jsonLimit: '5mb',
textLimit: '5mb',
})
);
app.use(_.post('/web', WebEndpoint.handle.bind(WebEndpoint)));
app.use(_.post('/search', SearchEndpoint.handle.bind(SearchEndpoint)));
app.use(_.post('/export', ExportEndpoint.handle.bind(ExportEndpoint)));
app.use(_.post('/import', ImportEndpoint.handle.bind(ImportEndpoint)));
Debug.init(process.env.DEBUG_LEVEL ? parseInt(process.env.DEBUG_LEVEL) : 1);
Translators.init()
.then(function () {
// Don't start server in test mode, since it's handled by supertest
if (process.env.NODE_ENV == 'test') return;
var port = config.get('port');
var host = config.get('host');
app.listen(port, host);
Debug.log(`Listening on ${host}:${port}`);
});
================================================
FILE: src/testEndpoint.js
================================================
var fs = require('fs');
var path = require('path');
var TestEndpoint = {
handlePlain: async function (ctx, _next) {
ctx.response.body = 'Test Hello';
},
handleSingle: async function (ctx, _next) {
var title = ctx.headers['accept-language'] == 'fr' ? 'Titre' : 'Title';
ctx.response.body = `
${title}
Body
`;
},
handleMultiple: async function (ctx, _next) {
ctx.response.body = ''
+ ' '
+ ' '
+ ' '
+ '';
},
handleRedirect: async function (ctx, _next) {
ctx.redirect('/test/single');
},
handleBibTeX: async function (ctx, _next) {
ctx.set('Content-Type', 'application/x-bibtex');
ctx.response.body = fs
.readFileSync(path.join(__dirname, '../test/data/bibtex_response.xml'))
.toString();
},
invalidContentType: async function (ctx, _next) {
ctx.set('Content-Type', 'image/jpeg');
ctx.response.body = '';
},
missingContentType: async function (ctx, _next) {
ctx.response.body = null;
}
};
module.exports = TestEndpoint;
================================================
FILE: src/textSearch.js
================================================
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2018 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
https://www.zotero.org
This file is part of Zotero.
Zotero 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.
Zotero 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 Zotero. If not, see .
***** END LICENSE BLOCK *****
*/
const config = require('config');
const XRegExp = require('xregexp');
const md5 = require('md5');
const AWS = require('aws-sdk');
const Lambda = new AWS.Lambda({apiVersion: '2015-03-31'});
module.exports = {
/**
* Handle text search
*
* @return {Promise}
*/
handle: async function (ctx, next) {
// If identifier-search is disabled in the request or unavailable, return 501
if (ctx.request.query.text === '0'
|| !config.has('identifierSearchLambda')
|| !config.get("identifierSearchLambda")) {
ctx.throw(501, "No identifiers found", { expose: true });
}
var data = ctx.request.body;
var result = await search(
data,
ctx.query && ctx.query.start
);
// Throw selection if two or more items are found, or the selection flag is marked
if (result.items.length >= 2 || result.items.length >= 1 && result.select) {
let newItems = {};
for (let item of result.items) {
let DOI = item.DOI;
let ISBN = item.ISBN;
if (!DOI && item.extra) {
let m = item.extra.match(/DOI: (.*)/);
if (m) DOI = m[1];
}
if (!ISBN && item.extra) {
let m = item.extra.match(/ISBN: (.*)/);
if (m) ISBN = m[1];
}
let identifier;
// DOI has a priority over ISBN for items that have both
if (DOI) {
identifier = DOI;
}
else if (item.ISBN) {
identifier = ISBN.split(' ')[0];
}
newItems[identifier] = {
itemType: item.itemType,
title: item.title,
description: formatDescription(item),
};
}
// If there were more results, include a link to the next result set
if (result.next) {
ctx.set('Link', `; rel="next"`);
}
ctx.response.status = 300;
//
// TODO: Differentiate from web request 300
//
ctx.response.body = newItems;
return;
}
if (result.items.length === 1) {
ctx.response.body = Zotero.Utilities.Item.itemToAPIJSON(result.items[0]);
return;
}
ctx.response.body = [];
},
// Expose for stubbing in tests
queryLambda: async function (query) {
let params = {
FunctionName: config.get('identifierSearchLambda'),
InvocationType: 'RequestResponse',
Payload: JSON.stringify({query})
};
let result = await Lambda.invoke(params).promise();
if (result.FunctionError) {
throw new Error('Lambda error: ' + result.Payload);
}
identifiers = JSON.parse(result.Payload);
return identifiers;
}
};
async function search(query, start) {
const timeout = config.get('textSearchTimeout') * 1000;
const startTime = new Date();
const numResults = 3;
let identifiers;
let moreResults = false;
try {
identifiers = await module.exports.queryLambda(query);
// If passed a start= parameter, skip ahead
let startPos = 0;
if (start) {
for (let i = 0; i < identifiers.length; i++) {
if (identifierToToken(identifiers[i]) == start) {
startPos = i + 1;
break;
}
}
}
if (identifiers.length > startPos + numResults + 1) {
moreResults = true;
}
identifiers = identifiers.slice(startPos);
} catch(e) {
Zotero.debug(e, 1);
return {select: false, items: []};
}
let items = [];
let nextLastIdentifier = null;
for (let identifier of identifiers) {
let translate = new Zotero.Translate.Search();
try {
translate.setIdentifier(identifier);
let translators = await translate.getTranslators();
if (!translators.length) {
if (new Date() > startTime.getTime() + timeout) {
break;
}
continue;
}
translate.setTranslator(translators);
let newItems = await translate.translate({
libraryID: false
});
if (newItems.length) {
let seq = getLongestCommonSequence(newItems[0].title, query);
if (seq.length >= 6 && seq.split(' ').length >= 2) {
items.push(newItems[0]);
// Keep track of last identifier if we're limiting results
if (moreResults) {
nextLastIdentifier = identifier;
}
if (items.length == numResults) {
break;
}
}
}
}
catch (e) {
if (e !== translate.ERROR_NO_RESULTS) {
Zotero.debug(e, 1);
}
}
if (new Date() > startTime.getTime() + timeout) {
break;
}
}
return {
// Force item selection, even for a single item
select: true,
items,
next: nextLastIdentifier ? identifierToToken(nextLastIdentifier) : null
};
// // Query Crossref and LoC/GBV in parallel to respond faster to the client
// let [crossrefItems, libraryItems] = await Promise.all([queryCrossref(query), queryLibraries(query)]);
//
// // Subtract book reviews from Crossref
// crossrefItems = subtractCrossrefItems(crossrefItems, libraryItems);
//
// let items = crossrefItems.concat(libraryItems);
//
// // Filter out too fuzzy items, by comparing item title (and other metadata) against query
// return await filterResults(items, query);
}
function formatDescription(item) {
let parts = [];
let authors = [];
for (let creator of item.creators) {
if (creator.creatorType === 'author' && creator.lastName) {
authors.push(creator.lastName);
if (authors.length === 3) break;
}
}
if(authors.length) parts.push(authors.join(', '));
if (item.date) {
let m = item.date.toString().match(/[0-9]{4}/);
if (m) parts.push(m[0]);
}
if(item.publicationTitle) {
parts.push(item.publicationTitle);
} else if(item.publisher) {
parts.push(item.publisher);
}
return parts.join(' \u2013 ');
}
function subtractCrossrefItems(crossrefItems, libraryItems) {
let items = [];
for(let crossrefItem of crossrefItems) {
// Keep books and book sections
if(['book', 'bookSection'].includes(crossrefItem.itemType)) {
items.push(crossrefItem);
continue;
}
let crossrefTitle = crossrefItem.title;
// Remove all tags
crossrefTitle = crossrefTitle.replace(/<\/?\w+[^<>]*>/gi, '');
crossrefTitle = crossrefTitle.replace(/:/g, ' ');
// Normalize title, split to words, filter out empty array elements
crossrefTitle = normalize(crossrefTitle).split(' ').filter(x => x).join(' ');
let found = false;
for(let libraryItem of libraryItems) {
let libraryTitle = libraryItem.title;
// Remove all tags
libraryTitle = libraryTitle.replace(/<\/?\w+[^<>]*>/gi, '');
libraryTitle = libraryTitle.replace(/:/g, ' ');
// Normalize title, split to words, filter out empty array elements
libraryTitle = normalize(libraryTitle).split(' ').filter(x => x).join(' ');
if(crossrefTitle.includes(libraryTitle)) {
found = true;
break;
}
}
if(!found) {
items.push(crossrefItem);
}
}
return items;
}
async function queryCrossref(query) {
let items = [];
try {
let translate = new Zotero.Translate.Search();
// Crossref REST
translate.setTranslator("0a61e167-de9a-4f93-a68a-628b48855909");
translate.setSearch({query});
items = await translate.translate({libraryID: false});
}
catch (e) {
Zotero.debug(e, 2);
}
return items;
}
/**
* Queries LoC and if that fails, queries GBV
*/
async function queryLibraries(query) {
let items = [];
try {
let translate = new Zotero.Translate.Search();
// Library of Congress ISBN
translate.setTranslator("c070e5a2-4bfd-44bb-9b3c-4be20c50d0d9");
translate.setSearch({query});
items = await translate.translate({libraryID: false});
}
catch (e) {
Zotero.debug(e, 2);
try {
let translate = new Zotero.Translate.Search();
// Gemeinsamer Bibliotheksverbund ISBN
translate.setTranslator("de0eef58-cb39-4410-ada0-6b39f43383f9");
translate.setSearch({query});
items = await translate.translate({libraryID: false});
}
catch (e) {
Zotero.debug(e, 2);
}
}
return items;
}
/**
* Decomposes all accents and ligatures,
* filters out symbols that aren't space or alphanumeric,
* and lowercases alphabetic symbols.
*/
function normalize(text) {
let rx = XRegExp('[^\\pL 0-9]', 'g');
text = XRegExp.replace(text, rx, '');
text = text.normalize('NFKD');
text = XRegExp.replace(text, rx, '');
text = text.toLowerCase();
return text;
}
/**
* Checks if a given word equals to any of the authors' names
*/
function hasAuthor(authors, word) {
return authors.some(author => {
return (author.firstName && normalize(author.firstName).split(' ').includes(word))
|| (author.lastName && normalize(author.lastName).split(' ').includes(word));
});
}
/**
* Tries to find the longest common words sequence between
* item title and query text. Query text must include title (or part of it)
* from the beginning. If there are leftover query words, it tries to
* validate them against item metadata (currently only authors and year)
*/
async function filterResults(items, query) {
let filteredItems = [];
let select = false;
// Normalize query, split to words, filter out empty array elements
let queryWords = normalize(query).split(' ').filter(x => x);
for (let item of items) {
let DOI = item.DOI;
let ISBN = item.ISBN;
if (!DOI && item.extra) {
let m = item.extra.match(/DOI: (.*)/);
if (m) DOI = m[1];
}
if (!ISBN && item.extra) {
let m = item.extra.match(/ISBN: (.*)/);
if (m) ISBN = m[1];
}
if (!DOI && !ISBN) continue;
let title = item.title;
// Remove all tags
title = title.replace(/<\/?\w+[^<>]*>/gi, '');
title = title.replace(/:/g, ' ');
// Normalize title, split to words, filter out empty array elements
let titleWords = normalize(title).split(' ').filter(x => x);
let longestFrom = 0;
let longestLen = 0;
// Finds the longest common words sequence between query text and item.title
for (let i = 0; i < queryWords.length; i++) {
for (let j = queryWords.length; j > 0; j--) {
let a = queryWords.slice(i, j);
for (let k = 0; k < titleWords.length - a.length + 1; k++) {
let b = titleWords.slice(k, a.length + k);
if (a.length && b.length && a.join(' ') === b.join(' ')) {
if (a.length > longestLen) {
longestFrom = i;
longestLen = b.length;
}
}
}
}
}
// At least two common words sequence must be found between query and title
if (longestLen < 1) continue;
// Longest common sequence of words
let foundPart = queryWords.slice(longestFrom, longestLen);
// Remaining words
let rems = queryWords.slice(0, longestFrom);
rems = rems.concat(queryWords.slice(longestLen));
// If at least one remaining word is left, it tries to compare it against item metadata.
// Otherwise the whole query text is found in the title, and we have a full match
if (rems.length) {
let foundAuthor = false;
let needYear = false;
let foundYear = false;
// Still remaining words
let rems2 = [];
for (let rem of rems) {
// Ignore words
if (['the', 'a', 'an'].indexOf(rem) >= 0) continue;
// If the remaining word has at least 2 chars and exists in metadata authors
if (rem.length >= 2 && hasAuthor(item.creators, rem)) {
foundAuthor = true;
continue;
}
// If the remaining word is a 4 digit number (year)
if (/^[0-9]{4}$/.test(rem)) {
needYear = true;
if (item.date) {
// If the remaining word exists in the item date
let m = item.date.toString().match(/[0-9]{4}/);
if (m && m[0] === rem) {
foundYear = true;
continue;
}
}
}
// Push the word that is still remaining
rems2.push(rem);
}
// If a year exists in the query, but is not matched to the item date
if (needYear && !foundYear) continue;
// If there are still remaining words and none of authors are found
if (rems2.length && !foundAuthor) continue;
}
// If the query part that was found in title is shorter than 30 symbols
if (foundPart.join(' ').length < 30) select = true;
filteredItems.push({
matchedLen: foundPart.join(' ').length,
titleLen: titleWords.join(' ').length,
item
});
}
// Sort results by matched text length
// and how close the matched text length is to title length
filteredItems.sort(function (a, b) {
if (b.matchedLen < a.matchedLen) return -1;
if (b.matchedLen > a.matchedLen) return 1;
return Math.abs(a.matchedLen - a.titleLen) - Math.abs(b.matchedLen - b.titleLen);
});
filteredItems = filteredItems.map(item => item.item);
return {select, items: filteredItems};
}
function getLongestCommonSequence(title, query) {
title = title.replace(/<\/?\w+[^<>]*>/gi, '');
title = title.replace(/:/g, ' ');
query = query.replace(/:/g, ' ');
// Normalize, split to words and filter out empty array elements
let titleWords = normalize(title).split(' ').filter(x => x);
let queryWords = normalize(query).split(' ').filter(x => x);
let longestFrom = 0;
let longestLen = 0;
// Finds the longest common words sequence between query text and item.title
for (let i = 0; i < queryWords.length; i++) {
for (let j = queryWords.length; j > 0; j--) {
let a = queryWords.slice(i, j);
for (let k = 0; k < titleWords.length - a.length + 1; k++) {
let b = titleWords.slice(k, a.length + k);
if (a.length && b.length && a.join(' ') === b.join(' ')) {
if (a.length > longestLen) {
longestFrom = i;
longestLen = b.length;
}
}
}
}
}
return queryWords.slice(longestFrom, longestFrom + longestLen).join(' ');
}
function identifierToToken(identifier) {
return md5(JSON.stringify(identifier));
}
================================================
FILE: src/translation/sandboxManager.js
================================================
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2009 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
http://zotero.org
This file is part of Zotero.
Zotero 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.
Zotero 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 Zotero. If not, see .
***** END LICENSE BLOCK *****
*/
/**
* @class Manages the translator sandbox
* @param {Translate} translate
* @param {String|window} sandboxLocation
*/
var SandboxManager = function(sandboxLocation) {
this.sandbox = {
"Zotero":{},
Promise,
};
};
SandboxManager.prototype = {
/**
* Evaluates code in the sandbox
* @param {String} code Code to evaluate
* @param {String[]} functions Functions to import into the sandbox (rather than leaving
* as inner functions)
*/
eval: function(code, functions) {
// delete functions to import
for (var i in functions) {
delete this.sandbox[functions[i]];
}
// Prepend sandbox properties within eval environment (what a mess (1))
for (var prop in this.sandbox) {
code = 'var ' + prop + ' = this.sandbox.' + prop + ';' + code;
}
// Import inner functions back into the sandbox
for (var i in functions) {
// TODO: Omit in translate.js?
if (functions[i] == 'detectExport') continue;
try {
code += 'this.sandbox.' + functions[i] + ' = ' + functions[i] + ';';
} catch (e) {
}
}
// Eval in a closure
(function() {
eval(code);
}).call(this);
},
/**
* Imports an object into the sandbox
*
* @param {Object} object Object to be imported (under Zotero)
* @param {Boolean} passTranslateAsFirstArgument Whether the translate instance should be passed
* as the first argument to the function.
*/
importObject: function(object, passAsFirstArgument, attachTo) {
if(!attachTo) attachTo = this.sandbox.Zotero;
for(var key in (object.__exposedProps__ ? object.__exposedProps__ : object)) {
if(Function.prototype[key]) continue;
if(typeof object[key] === "function" || typeof object[key] === "object") {
// magic closures
attachTo[key] = new function() {
var fn = object[key];
return function() {
var args = (passAsFirstArgument ? [passAsFirstArgument] : []);
for(var i=0; i .
***** END LICENSE BLOCK *****
*/
Zotero.Translate = Zotero.requireTranslate('./translation/translate');
Zotero.Translate = {...Zotero.Translate,
SandboxManager: require('./sandboxManager'),
...require('./translate_item')
};
Zotero.Translate.ItemSaver.prototype.saveItems = async function (jsonItems, attachmentCallback, itemsDoneCallback) {
this.items = (this.items || []).concat(jsonItems)
return jsonItems
}
// Translation architecture shims and monkey-patches
var wgxpath = require('wicked-good-xpath');
global.XPathResult = wgxpath.XPathResultType;
var jsdom = require('jsdom');
var { JSDOM } = jsdom;
var serializeNode = require("w3c-xmlserializer");
// Shim innerText for JSDOM, see https://github.com/jsdom/jsdom/issues/1245
// JSDOM interfaces are recreated per instance, so we use the beforeParse hook
// to apply shims once per instance (not on every window access).
function shimInnerText(window) {
Object.defineProperty(window.Attr.prototype, 'innerText', {
get() {
return this.textContent;
},
set(value) {
this.textContent = value;
},
configurable: true,
});
Object.defineProperty(window.Node.prototype, 'innerText', {
get() {
// innerText in the browser is more sophisticated, but this removes most unwanted content
// https://github.com/jsdom/jsdom/issues/1245#issuecomment-584677454
let el = this.cloneNode(true);
el.querySelectorAll('script, style').forEach(s => s.remove());
return el.textContent;
},
set(value) {
this.textContent = value;
},
configurable: true,
});
}
// Wrap JSDOM constructor to inject innerText shim via beforeParse for all instances
jsdom.JSDOM = class extends JSDOM {
constructor(input, options = {}) {
var originalBeforeParse = options.beforeParse;
options.beforeParse = function (window) {
shimInnerText(window);
if (originalBeforeParse) {
originalBeforeParse(window);
}
};
super(input, options);
}
};
JSDOM = jsdom.JSDOM;
var dom = new JSDOM('');
wgxpath.install(dom.window, true);
global.DOMParser = dom.window.DOMParser;
global.XMLSerializer = class XMLSerializer {
serializeToString(node) {
return serializeNode(node);
}
};
module.exports = Zotero.Translate;
================================================
FILE: src/translation/translate_item.js
================================================
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2011 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
http://zotero.org
This file is part of Zotero.
Zotero 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.
Zotero 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 Zotero. If not, see .
***** END LICENSE BLOCK *****
*/
ItemSaver = function(libraryID, attachmentMode, forceTagType) {};
ItemSaver.ATTACHMENT_MODE_IGNORE = 0;
ItemSaver.ATTACHMENT_MODE_DOWNLOAD = 1;
ItemSaver.ATTACHMENT_MODE_FILE = 2;
// We don't define a real itemSaver here because Zotero.Translate will always be run in object-only
// mode, but we do define a saveCollection no-op.
ItemSaver.prototype.saveCollection = function() {};
ItemGetter = function() {
this._itemsLeft = null;
this._collectionsLeft = null;
this._itemID = 1;
};
ItemGetter.prototype = {
"setItems":function(items) {
this._itemsLeft = items;
this.numItems = this._itemsLeft.length;
},
/**
* Retrieves the next available item
*/
"nextItem":function() {
if(!this._itemsLeft.length) return false;
var item = this._itemsLeft.shift();
if (this.legacy) {
item = Zotero.Utilities.Item.itemToLegacyExportFormat(item);
}
if (!item.attachments) {
item.attachments = [];
}
if (!item.notes) {
item.notes = [];
}
// convert single field creators to format expected by export
if(item.creators) {
for(var i=0; i .
***** END LICENSE BLOCK *****
*/
// Enumeration of types of translators
var TRANSLATOR_TYPES = {"import":1, "export":2, "web":4, "search":8};
const fs = require('fs');
const path = require('path');
var Translators = Zotero.requireTranslate('./translators');
/**
* Singleton to handle loading and caching of translators
* @namespace
*/
Translators = Object.assign(Translators, new function() {
var _cache, _translators;
var _initialized = false;
const infoRe = /^\s*{[\S\s]*?}\s*?[\r\n]/;
/**
* Initializes translator cache, loading all translators into memory
* @param {Zotero.Translators[]} [translators] List of translators. If not specified, they will be
* retrieved from storage.
*/
this.init = async function(translators) {
if(!translators) {
translators = await this.load();
}
_cache = {"import":[], "export":[], "web":[], "search":[]};
_translators = {};
_initialized = true;
// Build caches
for(var i=0; i b.priority) {
return 1;
}
else if (a.priority < b.priority) {
return -1;
}
}
for(var type in _cache) {
_cache[type].sort(cmp);
}
Zotero.debug(`Translators initialized with ${translators.length} loaded`);
};
this.load = async function() {
var translatorsDirPath = path.resolve(path.resolve(__dirname, '..'), Zotero.Prefs.get("translatorsDirectory"));
if(!await new Promise(resolve => fs.access(translatorsDirPath, (err) => resolve(!err)))) {
throw new Error("Translators directory "+translatorsDirPath+" is not "+
"accessible. Please set this correctly in config.js.\n")
}
var translatorFilePaths = await new Promise((resolve, reject) =>
fs.readdir(translatorsDirPath, (err, files) => err ? reject(err) : resolve(files)));
var translators = [];
for (let filePath of translatorFilePaths) {
if (filePath[0] === '.' || filePath.substr(filePath.length-3) !== ".js") continue;
filePath = path.resolve(translatorsDirPath, filePath);
var data = await new Promise((resolve, reject) =>
fs.readFile(filePath, "utf8", (err, data) => err ? reject(err) : resolve(data)));
// Strip off byte order mark, if one exists
if(data[0] === "\uFEFF") data = data.substr(1);
// We assume lastUpdated is at the end to avoid running the regexp on more than necessary
var lastUpdatedIndex = data.indexOf('"lastUpdated"');
if (lastUpdatedIndex == -1) {
Zotero.debug("Invalid or missing translator metadata JSON object in " + filename);
continue;
}
// Add 50 characters to clear lastUpdated timestamp and final "}"
var header = data.substr(0, lastUpdatedIndex + 50);
var m = infoRe.exec(header);
if (!m) {
Zotero.debug("Invalid or missing translator metadata JSON object in " + filename);
continue;
}
var metadataString = m[0];
try {
var info = JSON.parse(metadataString);
} catch(e) {
Zotero.debug("Invalid or missing translator metadata JSON object in " + filename);
continue;
}
info.code = data;
// We don't ever want to reload from disk again (and don't have the code to do that either)
info.cacheCode = true;
translators.push(info);
}
return translators;
};
/**
* Gets the translator that corresponds to a given ID
*
* @param {String} id The ID of the translator
*/
this.get = function (id) {
if (!_initialized) {
throw new Error("Trying to retrieve a translator without initalizing translator store");
}
var translator = _translators[id];
if (!translator) {
return false;
}
return translator;
};
/**
* Gets all translators for a specific type of translation
* @param {String} type The type of translators to get (import, export, web, or search)
* @param {Boolean} [debugMode] Whether to assume debugging mode. If true, code is included for
* unsupported translators, and code originally retrieved from the
* repo is re-retrieved from Zotero Standalone.
*/
this.getAllForType = async function (type, debugMode) {
if(!_initialized) Zotero.Translators.init()
var translators = _cache[type].slice(0);
var codeGetter = new Zotero.Translators.CodeGetter(translators, debugMode);
return codeGetter.getAll().then(function() {
return translators;
});
};
this.getCodeForTranslator = Zotero.Promise.method(function (translator) {
if (translator.code) {
return translator.code;
} else {
throw new Error(`Code for translator ${translator.translatorID} is missing`);
}
});
/**
* Gets web translators for a specific location
* @param {String} uri The URI for which to look for translators
* @return {Promise} - A promise for a 2-item array containing an array of translators and
* an array of functions for converting URLs from proper to proxied forms
*/
this.getWebTranslatorsForLocation = async function (URI, rootURI) {
var isFrame = URI !== rootURI;
if(!_initialized) Zotero.Translators.init();
var allTranslators = _cache["web"];
var potentialTranslators = [];
var proxies = [];
var rootSearchURIs = Zotero.Proxies.getPotentialProxies(rootURI);
var frameSearchURIs = isFrame ? Zotero.Proxies.getPotentialProxies(URI) : rootSearchURIs;
Zotero.debug("Translators: Looking for translators for "+Object.keys(frameSearchURIs).join(', '));
for(var i=0; i .
Utilities based in part on code taken from Piggy Bank 2.1.1 (BSD-licensed)
***** END LICENSE BLOCK *****
*/
var Zotero = require('./zotero');
Zotero.OpenURL = Zotero.requireUtilities('./openurl');
Zotero.Date = Zotero.requireUtilities('./date');
Zotero.Utilities = Zotero.requireUtilities('./utilities');
Zotero.Utilities = {...Zotero.Utilities,
XRegExp: Zotero.requireUtilities('xregexp-all'),
Item: Zotero.requireUtilities('./utilities_item')
};
// Due to how Utilities.Translate is constructed from the of
// Utilities, we cannot define it above in the object with the rest
Zotero.Utilities.Translate = Zotero.requireTranslate('./utilities_translate');
var addZoteroUnicodeData = Zotero.requireUtilities('xregexp-unicode-zotero');
addZoteroUnicodeData(Zotero.Utilities.XRegExp);
Zotero.Schema = Zotero.requireUtilities('./schema.js');
Zotero.Schema.init(require('../modules/zotero-schema/schema.json'));
module.exports = Zotero.Utilities;
================================================
FILE: src/webEndpoint.js
================================================
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2018 Corporation for Digital Scholarship
Vienna, Virginia, USA
https://www.zotero.org
This file is part of Zotero.
Zotero 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.
Zotero 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 Zotero. If not, see .
***** END LICENSE BLOCK *****
*/
const WebSession = require('./webSession');
// Timeout for select requests, in seconds
const SELECT_TIMEOUT = 60;
const sessionsWaitingForSelection = {};
var requestsSinceGC = 0;
var WebEndpoint = module.exports = {
handle: async function (ctx, next) {
ctx.assert(ctx.is('text/plain') || ctx.is('json'), 415);
setTimeout(() => {
gc();
});
var data = ctx.request.body;
if (!data) {
ctx.throw(400, "POST data not provided\n");
}
// If follow-up URL request, retrieve session and update context
var query;
var session;
if (typeof data == 'object') {
let sessionID = data.session;
if (!sessionID) {
ctx.throw(400, "'session' not provided");
}
session = sessionsWaitingForSelection[sessionID];
if (session) {
delete sessionsWaitingForSelection[sessionID];
session.ctx = ctx;
session.next = next;
session.data = data;
} else {
let single = !!ctx.request.query.single;
session = new WebSession(ctx, next, data.url, { single });
}
}
else {
// From https://stackoverflow.com/a/3809435, modified to allow up to 9-char TLDs and IP addresses
let urlRE = /^(https?:\/\/)?([-a-zA-Z0-9@:%._+~#=]{2,256}\.[a-z]{2,9}\b|((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.|\b)){4})(\S*)$/i;
if (!data.match(urlRE)) {
ctx.throw(400, "URL not provided");
}
// Prepend 'http://' if not provided
if (!data.startsWith('http')) {
data = 'http://' + data;
}
let single = !!ctx.request.query.single;
session = new WebSession(ctx, next, data, { single });
}
await session.handleURL();
if (ctx.response.status == 300) {
if(typeof data == 'object') {
// Select item if this was an item selection query
session.data = data;
await session.handleURL();
} else {
// Store session if returning multiple choices
sessionsWaitingForSelection[session.id] = session;
}
}
}
};
/**
* Perform garbage collection every 10 requests
*/
function gc() {
if ((++requestsSinceGC) == 10) {
for (let i in sessionsWaitingForSelection) {
let session = sessionsWaitingForSelection[i];
if (session.started && Date.now() >= session.started + SELECT_TIMEOUT * 1000) {
delete sessionsWaitingForSelection[i];
}
}
requestsSinceGC = 0;
}
}
================================================
FILE: src/webSession.js
================================================
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2018 Corporation for Digital Scholarship
Vienna, Virginia, USA
https://www.zotero.org
This file is part of Zotero.
Zotero 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.
Zotero 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 Zotero. If not, see .
***** END LICENSE BLOCK *****
*/
const config = require('config');
const urlLib = require('url');
const { CONTENT_TYPES } = require('./formats');
const Translate = require('./translation/translate');
const TLDS = Zotero.requireTranslate('./tlds');
const HTTP = require('./http');
const Translators = require('./translators');
const ImportEndpoint = require('./importEndpoint');
const SearchEndpoint = require('./searchEndpoint');
const { jar: cookieJar } = require('request');
const SERVER_TRANSLATION_TIMEOUT = 30;
const FORWARDED_HEADERS = ['Accept-Language'];
var WebSession = module.exports = function (ctx, next, data, options) {
this.ctx = ctx;
this.next = next;
this.data = data;
this.options = options;
};
/**
* @return {Promise}
*/
WebSession.prototype.handleURL = async function () {
if (typeof this.data == 'object') {
await this.selectDone();
return;
}
var url = this.data;
// Forward supported headers
var headers = {};
for (let header of FORWARDED_HEADERS) {
let lc = header.toLowerCase();
if (this.ctx.headers[lc]) {
headers[header] = this.ctx.headers[lc];
}
}
try {
var parsedURL = urlLib.parse(url);
}
catch (e) {
this.ctx.throw(400, "Invalid URL provided\n");
}
// Check domain
var m = url.match(/https?:\/\/([^/]+)/);
if (m) {
let domain = m[1];
let blacklisted = config.get("blacklistedDomains")
.some(x => x && new RegExp(x).test(domain));
if (blacklisted) {
let doi = this.cleanDOIFromURL(url);
if (!doi) {
this.ctx.throw(500, "An error occurred retrieving the document\n");
}
await SearchEndpoint.handleIdentifier(this.ctx, { DOI: doi });
return;
}
}
var responseTypeMap = new Map([
['html', 'document'],
['application/xhtml+xml', 'document'],
['text/plain', 'text']
]);
// Force all import content types to text
for (let type in CONTENT_TYPES) {
let contentType = CONTENT_TYPES[type];
if (contentType == 'text/html') continue;
if (responseTypeMap.has(contentType)) continue;
responseTypeMap.set(contentType, 'text');
}
var urlsToTry = config.get('deproxifyURLs') ? this.deproxifyURL(url) : [url];
for (let i = 0; i < urlsToTry.length; i++) {
let url = urlsToTry[i];
if (urlsToTry.length > 1) {
Zotero.debug("Trying " + url);
}
/*let runningInstance;
if ((runningInstance = Zotero.Server.Translation.waitingForSelection[data.sessionid])
&& data.items) {
// Already waiting for a items response, so just pass this there
runningInstance._cookieSandbox.setTimeout(SERVER_TRANSLATION_TIMEOUT*1000,
runningInstance.timeout.bind(runningInstance));
runningInstance.sendResponse = sendResponseCallback;
runningInstance.selectDone(data.items);
break;
}*/
// New request
this._cookieSandbox = cookieJar();
let resolve;
let reject;
let promise = new Promise(function () {
resolve = arguments[0];
reject = arguments[1];
});
let translate = new Translate.Web();
let translatePromise;
translate.setHandler("translators", async function (translate, translators) {
// Force single-page saving
if (this.options.single) {
translators = translators.filter(t => t.itemType != 'multiple');
}
try {
translatePromise = this.translate(translate, translators);
await translatePromise;
resolve();
}
catch (e) {
reject(e);
}
}.bind(this));
translate.setHandler("select", (translate, items, callback) => {
try {
this.select(
url,
translate,
items,
callback,
translatePromise
);
}
catch (e) {
Zotero.debug(e, 1);
reject(e);
// Resolve the translate promise
callback([]);
return;
}
resolve();
});
translate.setCookieSandbox(this._cookieSandbox);
translate.setRequestHeaders(headers);
try {
let req = await Zotero.HTTP.request(
"GET",
url,
{
responseTypeMap,
cookieSandbox: this._cookieSandbox,
headers
}
);
if (req.type === 'document') {
translate.setDocument(req.response);
// This could be optimized by only running detect on secondary translators
// if the first fails, but for now just run detect on all
translate.getTranslators(true);
}
else {
Zotero.debug(`Handling ${req.getResponseHeader('content-type')} as import`);
this.ctx.request.body = req.response;
await ImportEndpoint.handle(this.ctx);
return;
}
return promise;
}
catch (e) {
Zotero.debug(e, 1);
if (e instanceof Zotero.HTTP.StatusError && e.status == 404) {
this.ctx.throw(400, "Remote page not found");
}
let doi = this.cleanDOIFromURL(url);
if (doi) {
Zotero.debug(`Error translating page -- continuing with DOI ${doi} from URL`);
await SearchEndpoint.handleIdentifier(this.ctx, { DOI: doi });
return;
}
if (e instanceof Zotero.HTTP.ResponseSizeError) {
this.ctx.throw(400, "Response exceeds max size");
}
if (e instanceof Zotero.HTTP.UnsupportedFormatError) {
this.ctx.throw(400, "The remote document is not in a supported format");
}
// No more URLs to try
if (i == urlsToTry.length - 1) {
this.ctx.throw(500, "An error occurred retrieving the document");
}
}
}
};
/**
* Called when translators are available to perform translation
*
* @return {Promise}
*/
WebSession.prototype.translate = async function (translate, translators) {
// No matching translators
if (!translators.length) {
Zotero.debug("No translators found -- saving as a webpage");
this.saveWebpage(translate);
return;
}
var translator;
var items;
while (translator = translators.shift()) {
translate.setTranslator(translator);
try {
items = await translate.translate({
libraryID: false
});
break;
}
catch (e) {
Zotero.debug("Translation using " + translator.label + " failed", 1);
Zotero.debug(e, 1);
// If no more translators, save as webpage
if (!translators.length) {
this.saveWebpage(translate);
return;
}
// Try next translator
}
}
//this._cookieSandbox.clearTimeout();
// Check for DOI in URL if no results
if (!items.length) {
let doi = this.cleanDOIFromURL(translate.location);
if (doi) {
Zotero.debug(`No results -- continuing with DOI ${doi} from URL`);
await SearchEndpoint.handleIdentifier(this.ctx, { DOI: doi });
return;
}
}
var json = [];
for (let item of items) {
json.push(...Zotero.Utilities.Item.itemToAPIJSON(item));
}
this.ctx.response.status = 200;
this.ctx.response.body = json;
};
/**
* TEMP: Remove once there's a generic webpage translator
*
* @return {undefined}
*/
WebSession.prototype.saveWebpage = function (translate) {
let head = translate.document.documentElement.querySelector('head');
if (!head) {
// XXX better status code?
this.ctx.throw(501, "No translators available\n");
}
// TEMP: Return basic webpage item for HTML
let description = head.querySelector('meta[name=description]');
if (description) {
description = description.getAttribute('content');
}
let data = {
itemType: "webpage",
url: translate.document.location.href,
title: translate.document.title,
abstractNote: description,
accessDate: Zotero.Date.dateToISO(new Date())
};
this.ctx.response.body = Zotero.Utilities.Item.itemToAPIJSON(data);
};
/**
* Called if multiple items are available for selection from the translator
*/
WebSession.prototype.select = function (url, translate, items, callback, promise) {
// Fix for translators that return item list as array rather than object
if (Array.isArray(items)) {
let newItems = {};
for (let i = 0; i < items.length; i++) {
newItems[i] = items[i];
}
items = newItems;
}
// If translator returns objects with 'title' and 'checked' properties (e.g., PubMed),
// extract title
for (let i in items) {
if (items[i].title) {
items[i] = items[i].title;
}
}
this.id = Zotero.Utilities.randomString(15);
this.started = Date.now();
this.url = url;
this.translate = translate;
this.items = items;
this.selectCallback = callback;
this.translatePromise = promise;
// Send "Multiple Choices" HTTP response
//this._cookieSandbox.clearTimeout();
this.ctx.response.status = 300;
this.ctx.response.body = {
url,
session: this.id,
items
};
};
/**
* Called when items have been selected by the client
*/
WebSession.prototype.selectDone = function () {
var url = this.data.url;
var selectedItems = this.data.items;
if (this.url != url) {
this.ctx.throw(409, "'url' does not match URL in session");
}
if (!selectedItems) {
this.ctx.throw(400, "'items' not provided");
}
// Make sure items are actually available
var haveItems = false;
for (let i in selectedItems) {
if (this.items[i] === undefined || this.items[i] !== selectedItems[i]) {
this.selectCallback([]);
this.ctx.throw(409, "Items specified do not match items available");
}
haveItems = true;
}
// Make sure at least one item was specified
if (!haveItems) {
this.selectCallback([]);
this.ctx.throw(400, "No items specified");
}
// Run select callback
this.selectCallback(selectedItems);
// The original translate promise in this.translate() from the first request is stalled while
// waiting for item select from the client. When the follow-up request comes in, the new ctx
// object is swapped in by the endpoint code, and the select callback above allows the
// translate promise to complete and the translated items to be assigned to the new ctx
// response body.
return this.translatePromise;
};
/**
* Called if the request timed out before it could complete
*/
/*WebSession.prototype.timeout = function() {
this.sendResponse(504, "text/plain", "Translation timed out.\n");
};*/
/**
* Try to determine whether the passed URL looks like a proxied URL based on TLDs in the
* middle of the domain and return a list of likely URLs, starting with the longest domain
* and ending with the original one
*
* E.g., https://www-example-co-uk.mutex.gmu.edu ->
*
* [
* 'https://www.example.co.uk',
* 'https://www.example.co',
* 'https://www-example-co-uk.mutex.gmu.edu',
* ]
*
* Based on Zotero.Proxies.getPotentialProxies()
*/
WebSession.prototype.deproxifyURL = function (url) {
var urlToProxy = {
[url]: null
};
// if there is a subdomain that is also a TLD, also test against URI with the domain
// dropped after the TLD
// (i.e., www.nature.com.mutex.gmu.edu => www.nature.com)
var m = /^(https?:\/\/)([^\/]+)/i.exec(url);
if (m) {
// First, drop the 0- if it exists (this is an III invention)
var host = m[2];
if (host.substr(0, 2) === "0-") host = host.substr(2);
var hostnameParts = [host.split(".")];
if (m[1] == 'https://') {
// try replacing hyphens with dots for https protocol
// to account for EZProxy HttpsHypens mode
hostnameParts.push(host.split('.'));
hostnameParts[1].splice(0, 1, ...(hostnameParts[1][0].replace(/-/g, '.').split('.')));
}
for (let i=0; i < hostnameParts.length; i++) {
let parts = hostnameParts[i];
// If hostnameParts has two entries, then the second one is with replaced hyphens
let dotsToHyphens = i == 1;
// skip the lowest level subdomain, domain and TLD
for (let j=1; j b.length - a.length);
urls.push(urls.shift());
return urls;
};
WebSession.prototype.cleanDOIFromURL = function (url) {
let doi = Zotero.Utilities.cleanDOI(decodeURIComponent(url));
if (doi) {
// Stop at query string, ampersand, or hash
doi = doi.replace(/[?].*/, '');
}
return doi || null;
};
================================================
FILE: src/zotero.js
================================================
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2009 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
http://zotero.org
This file is part of Zotero.
Zotero 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.
Zotero 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 Zotero. If not, see .
***** END LICENSE BLOCK *****
*/
const path = require('path');
const config = require('config');
const fs = require('fs');
var Zotero = global.Zotero = module.exports = new function() {
this.isNode = true;
this.isServer = true;
this.locale = 'en-US';
this.version = "5.0.97";
/**
* Debug logging function
*
* Uses prefs e.z.debug.log and e.z.debug.level (restart required)
*
* Defaults to log level 3 if level not provided
*/
this.debug = function(message, level) {
Zotero.Debug.log(message, level);
}
/**
* Log a JS error to the Mozilla JS error console.
* @param {Exception} err
*/
this.logError = function(err) {
// Firefox uses this
Zotero.debug(err);
}
this.setTimeout = setTimeout;
}
// TODO: Pref store
Zotero.Prefs = new function(){
var tempStore = {};
this.get = function(pref) {
if (tempStore.hasOwnProperty(pref)) return tempStore[pref];
if (config.has(pref)) return config.get(pref);
};
/**
* @param pref
* @param value
*/
this.set = function(pref, value) {
tempStore[pref] = value;
};
/**
* @param pref
*/
this.clear = function(pref) {
delete tempStore[pref];
}
}
/**
* A custom require function to import modules from the translate submodule
* @param {String} modulePath
* @returns {*}
*/
Zotero.requireTranslate = function(modulePath) {
return require(path.resolve(__dirname, '../modules/translate/src/', modulePath));
}
Zotero.requireUtilities = function(modulePath) {
return require(path.resolve(__dirname, '../modules/utilities/', modulePath));
}
Zotero.Promise = Zotero.requireTranslate('./promise');
Zotero.Debug = Zotero.requireTranslate('./debug');
Zotero.Translators = require('./translators');
Zotero.Utilities = require('./utilities');
Zotero.Date = Zotero.requireUtilities('./date');
Zotero.Date.init(Zotero.requireUtilities('./resource/dateFormats.json'))
Zotero.OpenURL = Zotero.requireUtilities('./openurl');
Zotero.Translator = Zotero.requireTranslate('./translator');
Zotero.Translate = require('./translation/translate');
Zotero.Proxies = require('./proxy').Proxies;
Zotero.Proxy = require('./proxy').Proxy;
var $rdf = Zotero.requireTranslate('./rdf/init');
if(Zotero.RDF) {
Zotero.RDF.AJAW = $rdf;
} else {
Zotero.RDF = {AJAW:$rdf};
}
Zotero = Object.assign(Zotero, Zotero.requireUtilities('./cachedTypes'));
Zotero.setTypeSchema(Zotero.requireUtilities('./resource/zoteroTypeSchemaData'));
================================================
FILE: test/data/bibtex_response.xml
================================================
@article{Bar19,
author = "Foo Bar",
title = "Title",
journal = "Journal",
volume = 123,
year = 2019,
pages = "123--125"}
================================================
FILE: test/data/loc_book1_response.xml
================================================
1.1 1 xml
01691cam a2200361 a 4500
16725802
20120514113518.0
110407s2011 mdua b 001 0 eng
7
cbc
orignew
1
ecip
20
y-gencatlg
acquire
2 shelf copies
policy default
xh09 2011-04-07
xh09 2011-04-07 to Dewey
rd14 2011-04-07
xn02 2011-12-13 1 copy rec'd., to CIP ver.
rf10 2012-02-27 Z-CipVer. telework to BCDD
xn05 2012-05-14 copy 2 added
2011009234
015994368
Uk
1421402831 (hardcover : alk. paper)
9781421402833 (hardcover : alk. paper)
(OCoLC)ocn711959730
DLC
DLC
YDX
YDXCP
BWX
CDX
IXA
UKMGB
ZCU
DLC
pcc
e-fr---
TX719
.T253 2011
641.5944
22
Takats, Sean,
1974-
The expert cook in enlightenment France /
Sean Takats.
Baltimore :
Johns Hopkins University Press,
2011.
x, 203 p. :
ill. ;
24 cm.
The Johns Hopkins University studies in historical and political science, 129th series ;
2
Includes bibliographical references (p.[179]-196) and index.
Defining the cook -- Corrupting spaces -- Pots and pens -- Theorizing the kitchen -- The servant of medicine -- Conclusion.
Cooking, French
History
18th century.
Cooking
France
History
18th century.
Cooks
France
History
18th century.
France
Social life and customs
18th century.
Johns Hopkins University studies in historical and political science ;
129th ser., 2.
1 1.1 bath.ISBN=^9781421402833 1 xml
================================================
FILE: test/data/pubmed_article1_response.xml
================================================
30571677
2018
12
20
1553-7358
14
12
2018
Dec
PLoS computational biology
PLoS Comput. Biol.
Ten simple rules for documenting scientific software.
e1006561
10.1371/journal.pcbi.1006561
Lee
Benjamin D
BD
http://orcid.org/0000-0002-7133-8397
School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts, United States of America.
eng
Editorial
2018
12
20
United States
PLoS Comput Biol
101238922
1553-734X
The author has declared that no competing interests exist.
2018
12
21
6
0
2018
12
21
6
0
2018
12
21
6
0
epublish
30571677
10.1371/journal.pcbi.1006561
PCOMPBIOL-D-18-01117
================================================
FILE: test/export_test.js
================================================
/* global assert:false, request:false */
var { JSDOM } = require('jsdom');
const dom = new JSDOM('');
const DOMParser = dom.window.DOMParser;
describe("/export", function () {
var json = [{"key":"Q5VYZIG2","version":0,"itemType":"newspaperArticle","creators":[{"firstName":"Keith","lastName":"Collins","creatorType":"author"}],"tags":[{"tag":"Net Neutrality","type":1},{"tag":"Pai, Ajit","type":1},{"tag":"Federal Communications Commission","type":1},{"tag":"Regulation and Deregulation of Industry","type":1},{"tag":"Computers and the Internet","type":1}],"title":"Net Neutrality Has Officially Been Repealed. Here’s How That Could Affect You.","section":"Technology","url":"https://www.nytimes.com/2018/06/11/technology/net-neutrality-repeal.html","abstractNote":"Net Neutrality rules that required internet service providers to offer equal access to all web content are no longer in effect as of Monday.","language":"en-US","libraryCatalog":"NYTimes.com","accessDate":"2018-08-21T08:23:37Z","date":"2018-06-11","publicationTitle":"The New York Times","ISSN":"0362-4331"}];
var jsonMinimal = [{ key: "JZMIXKUW", version: 0, itemType: "webpage", url: "http://example.com/", title: "Example", accessDate: "2019-01-14T20:18:11Z"}]
it("should export to BibTeX (full)", async function () {
var response = await request()
.post('/export?format=bibtex')
.send(json)
.expect(200);
assert.isTrue(response.text.trim().startsWith('@article'));
});
it("should export to BibTeX (minimal)", async function () {
var response = await request()
.post('/export?format=bibtex')
.send(jsonMinimal)
.expect(200);
assert.isTrue(response.text.trim().startsWith('@misc'));
});
it("should set BibTeX access date", async function () {
var response = await request()
.post('/export?format=bibtex')
.send(jsonMinimal)
.expect(200);
assert.match(response.text, /urldate = {2019-01-14}/);
});
it("should export to RIS (full)", async function () {
var response = await request()
.post('/export?format=ris')
.send(json)
.expect(200);
assert.isTrue(response.text.startsWith('TY - NEWS'));
});
it("should export to RIS (minimal)", async function () {
var response = await request()
.post('/export?format=ris')
.send(jsonMinimal)
.expect(200);
console.log(response.text);
assert.isTrue(response.text.startsWith('TY - ELEC'));
});
it("should export COinS (full)", async function () {
var response = await request()
.post('/export?format=coins')
.send(json)
.expect(200)
.expect('Content-Type', 'text/html');
assert.isTrue(response.text.startsWith(" Zotero.Utilities.Item.itemToAPIJSON(item))), // normalize and flatten results
found: response.body,
};
for (const ef of ['expected', 'found']) {
for (const item of items[ef]) {
// inline attached notes -- notes are exported as separate items with a parentItem, but the parentItem is going to be different every time the test is ran
if (!item.notes) {
item.notes = items[ef]
.filter(note => (note.itemType === 'note' && note.parentItem === item.key))
.map(note => ({ note: note.note, itemType: note.itemType}));
}
}
// remove notes now inlined
items[ef] = items[ef].filter(item => (item.itemType !== 'note' || !item.parentItem));
for (const item of items[ef]) {
// remove purely administrative fields -- must be done in 2nd run because the key/parentItem are required in the 1st run for inlining notes
delete item.key;
delete item.version;
delete item.parentItem;
// remove empty array to simplify comparison
if (Array.isArray(item.tags) && !item.tags.length) {
delete item.tags;
}
// sort tags for stable comparison
if (item.tags) {
item.tags.sort((a, b) => `${a.type}::${a.tag}`.localeCompare(`${b.type}::${b.tag}`));
}
}
}
assert.deepEqual(items.expected, items.found);
});
}
function parseJSON(name, json, source) {
try {
return JSON.parse(json);
}
catch (err) {
it(`should import ${name}`, function () {
const m = err.message.match(/(.*) at position ([0-9]+)$/);
if (m) {
const pos = parseInt(m[2]);
const line = source.substring(0, source.indexOf(json) + pos).split('\n').length;
const column = pos - json.lastIndexOf('\n', pos);
throw new Error(`${m[1]} around line ${line}, column ${column}`);
}
throw err;
});
}
return null;
}
(process.env.IMPORT_TESTS ? describe : describe.skip)("/import", function () {
const translators = path.join(__dirname, '../modules/translators');
for (const translator of fs.readdirSync(translators)) {
if (!translator.endsWith('.js')) continue;
const name = translator.replace(/\.js$/, '');
const code = fs.readFileSync(path.join(translators, translator), 'utf-8');
const marker = code.indexOf('/** BEGIN TEST CASES **/');
if (marker === -1) continue;
const header = parseJSON(name, code.replace(/\n}\n[\s\S]*/, '}'), code);
if (!header) continue;
const start = code.indexOf('[', marker);
const end = code.lastIndexOf(']') + 1;
const cases = parseJSON(name, code.substring(Math.max(start, marker), Math.max(end, start, marker)), code);
if (!cases) continue;
let caseNo = 0;
for (const test of cases) {
caseNo += 1;
if (test.type !== 'import') continue;
addTest(`${name} # ${caseNo}`, header.translatorID, test.input, test.items);
}
}
});
================================================
FILE: test/mocha.opts
================================================
--file test/setup.js
================================================
FILE: test/search_test.js
================================================
/* global assert:false, request:false, sinon:false */
const config = require('config');
const HTTP = require('../src/http');
const TextSearch = require('../src/textSearch');
const path = require('path');
const fs = require('fs');
const urlParse = require('url');
describe("/search", function () {
var bookISBN1 = '9781421402833';
var bookTitle1 = 'The expert cook in enlightenment France';
var articlePMID1 = '30571677';
var articleTitle1 = 'Ten simple rules for documenting scientific software';
beforeEach(() => {
var origHTTPRequest = HTTP.request.bind(HTTP);
sinon.stub(HTTP, 'request').callsFake(async function (method, url, options) {
if (url.startsWith('http://127.0.0.1')) {
return origHTTPRequest(method, url, options);
}
Zotero.debug("Mocking request");
if (url.startsWith('https://www.crossref.org')) {
return {
status: 200,
responseText: ''
+ ''
+ 'Either ISSN or Journal title or Proceedings title must be supplied. '
+ ' '
};
}
// Mock Library of Congress ISBN lookup
if (url.startsWith('https://lx2.loc.gov')) {
var xml = fs.readFileSync(
path.join(__dirname, 'data', 'loc_book1_response.xml'),
{
encoding: 'utf-8'
}
);
return {
status: 200,
responseText: xml
};
}
if (url.startsWith('https://eutils.ncbi.nlm.nih.gov')) {
let xml = fs.readFileSync(
path.join(__dirname, 'data', 'pubmed_article1_response.xml'),
{
encoding: 'utf-8'
}
);
return {
status: 200,
responseText: xml
};
}
Zotero.debug("Unhandled request");
throw new Error("Unhandled request");
});
// Mock identifier-search Lambda call
var origQueryLambda = TextSearch.queryLambda.bind(TextSearch);
sinon.stub(TextSearch, 'queryLambda').callsFake(function (query) {
if (query == bookTitle1.toLowerCase()) {
return Promise.resolve([{"ISBN":bookISBN1}]);
}
return origQueryLambda(query);
});
});
afterEach(() => {
HTTP.request.restore();
TextSearch.queryLambda.restore();
});
it("should perform a text search", async function () {
config.identifierSearchLambda = 'IdentifierSearch';
var response = await request()
.post('/search')
.set('Content-Type', 'text/plain')
.send(bookTitle1.toLowerCase());
assert.equal(response.statusCode, 300);
var json = response.body;
assert.lengthOf(Object.keys(json), 1);
assert.equal(json[bookISBN1].itemType, 'book');
assert.equal(json[bookISBN1].title, bookTitle1);
});
it("should translate an ISBN", async function () {
var response = await request()
.post('/search')
.set('Content-Type', 'text/plain')
.send(bookISBN1);
assert.equal(response.statusCode, 200);
var json = response.body;
assert.lengthOf(json, 2);
assert.equal(json[0].itemType, 'book');
assert.equal(json[0].title, bookTitle1);
// This note contains keywords that should probably be tags
assert.equal(json[1].itemType, 'note');
assert.equal(json[1].parentItem, json[0].key);
});
it("should translate a PMID", async function () {
var response = await request()
.post('/search')
.set('Content-Type', 'text/plain')
.send(articlePMID1);
assert.equal(response.statusCode, 200);
var json = response.body;
assert.lengthOf(json, 1);
assert.equal(json[0].itemType, 'journalArticle');
assert.equal(json[0].title, articleTitle1);
});
it("should translate a PMID with 'pmid:' prefix", async function () {
var response = await request()
.post('/search')
.set('Content-Type', 'text/plain')
.send('pmid:' + articlePMID1);
assert.equal(response.statusCode, 200);
var json = response.body;
assert.lengthOf(json, 1);
assert.equal(json[0].itemType, 'journalArticle');
assert.equal(json[0].title, articleTitle1);
});
});
================================================
FILE: test/setup.js
================================================
/* eslint no-unused-vars: ["error", { "varsIgnorePattern": "bodyParser" }] */
const config = require('config');
const request = require('supertest');
const chai = require('chai');
global.sinon = require('sinon');
const app = require('../src/server');
const Koa = require('koa');
const _ = require('koa-route');
const bodyParser = require('koa-bodyparser');
const TestEndpoint = require('../src/testEndpoint');
// Globals that are available to every test
global.assert = chai.assert;
global.request = function () {
return request(app.callback())
};
global.testURL = `http://127.0.0.1:${config.get('testPort')}/test/`;
// Serve sample pages for tests
const testApp = new Koa();
testApp.use(_.get('/test/plain', TestEndpoint.handlePlain));
testApp.use(_.get('/test/single', TestEndpoint.handleSingle));
testApp.use(_.get('/test/multiple', TestEndpoint.handleMultiple));
testApp.use(_.get('/test/redirect', TestEndpoint.handleRedirect));
testApp.use(_.get('/test/bibtex', TestEndpoint.handleBibTeX));
testApp.use(_.get('/test/invalidContentType', TestEndpoint.invalidContentType));
testApp.use(_.get('/test/missingContentType', TestEndpoint.missingContentType));
var testServer = testApp.listen(config.get('testPort'));
before(async function () {
// Wait for translator initialization
await Promise.delay(500);
});
after(function () {
testServer.close();
});
================================================
FILE: test/testTranslators/testTranslators.js
================================================
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2018 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
http://zotero.org
This file is part of Zotero.
Zotero 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.
Zotero 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 Zotero. If not, see .
***** END LICENSE BLOCK *****
*/
'use strict';
process.on('unhandledRejection', (err, p) => {
console.error(err);
});
require('../../src/zotero');
require('../../src/translation/translate');
require('../../src/http');
const { basename } = require('path');
const yargs = require('yargs');
const fs = require('fs').promises;
const { jar: cookieJar } = require('request');
const {TranslatorTester} = require('../../modules/translate/testTranslators/translatorTester.js');
let options = yargs
.usage(`Usage: ${basename(process.argv[0])} [options]`)
.wrap(78)
.option('output', {
type: 'string',
alias: 'o',
describe: 'Path to the output file for translation results'
})
.option('cross-origin', {
type: 'boolean',
default: true,
describe: 'Enable cross-origin HTTP requests in translators'
})
.option('num-concurrent-tests', {
type: 'number',
default: 10
})
.option('grep', {
type: 'string',
alias: 'g',
describe: 'Only test translators with matching labels or ids'
})
.option('browser', {
type: 'string',
alias: 'b',
default: 'v',
describe: "The browser flag"
})
.argv;
// For debugging specific translators by label
let regexp = options.g && new RegExp(options.g);
const TEST_TYPES = ["web", "import", "export", "search"];
var results = [];
// NOTE: We need to attach a cookie sandbox to the translate instances to make websites with
// cookie forgetting browser/scrapper protection happy when calling HTTP.processDocuments().
// Thus we're overriding the translate instance constructing method and attaching a cookie jar
Zotero.Translate.newInstance = function(type) {
let translate = new Zotero.Translate[type.substr(0, 1).toUpperCase()+type.substr(1).toLowerCase()];
if (translate.setCookieSandbox) {
translate.setCookieSandbox(cookieJar());
}
return translate;
}
if (!options.crossOrigin) {
// Monkey patching translator http methods to disallow cross-origin requests
let throwIfDifferentOrigins = function(origin, url) {
let a = new URL(origin), b = new URL(url);
if (a.origin != b.origin) {
throw new Error(`Cross origin request from ${origin} to ${url} not allowed`);
}
}
let doGet = Zotero.Utilities.Translate.prototype.doGet;
let doPost = Zotero.Utilities.Translate.prototype.doPost;
Zotero.Utilities.Translate.prototype.doGet = function(urls) {
if (!this._translate.location) return;
if(typeof(urls) == "string") {
var url = urls;
} else {
var url = arguments[0].shift();
}
throwIfDifferentOrigins(this._translate.location, url);
return doGet.apply(this, arguments);
}
Zotero.Utilities.Translate.prototype.doPost = function() {
if (!this._translate.location) return;
throwIfDifferentOrigins(this._translate.location, arguments[0]);
return doPost.apply(this, arguments);
}
}
/**
* Runs a specific set of tests
*/
async function runTesters(translators, type) {
for (let translator of translators) {
let tester = new TranslatorTester(translator, type, (_, t)=> console.log(t + '\n'));
await new Promise(resolve => {
tester.runTests(function() {
try {
if(tester.pending.length) return;
// Done translating, so serialize test results
let result = tester.serialize();
results.push(result);
resolve(result);
} catch(e) {
Zotero.debug(e);
Zotero.logError(e);
resolve();
}
})
});
}
return;
}
(async function() {
Zotero.Debug.init(0);
await Zotero.Translators.init();
for (let type of TEST_TYPES) {
let translators = await Zotero.Translators.getAllForType(type, true);
try {
// Concurrent async via iterators magic
// https://stackoverflow.com/a/51020535
if (regexp) {
translators = translators.filter(t => regexp.test(t.label) || regexp.test(t.translatorID));
}
let iterator = translators.values();
let promises = new Array(options.numConcurrentTests).fill(iterator).map(t => runTesters(t, type));
await Promise.all(promises);
} catch(e) {
Zotero.debug(e);
Zotero.logError(e);
}
}
results.sort(function(a, b) {
var atype = TEST_TYPES.indexOf(a.type);
var btype = TEST_TYPES.indexOf(b.type);
if (atype != btype) return atype-btype;
else return a.label.localeCompare(b.label);
})
let result = {
browser: options.browser,
version: Zotero.version,
results: results
};
if (options.o) {
await fs.writeFile(options.o, JSON.stringify(result, null, '\t'));
}
// If any tests failed, return non-0 exit code
let retVal = 0;
if (results.some(r => r.failed.length || r.unknown.length)) {
retVal = 1;
}
process.exit(retVal);
})();
================================================
FILE: test/web_test.js
================================================
/* global assert:false, request:false, testURL:false */
describe("/web", function () {
it("should translate a generic webpage", async function () {
var url = testURL + 'plain';
var response = await request()
.post('/web')
.set('Content-Type', 'text/plain')
.send(url);
assert.equal(response.statusCode, 200);
var json = response.body;
assert.lengthOf(json, 1);
assert.equal(json[0].itemType, 'webpage');
assert.equal(json[0].title, 'Test');
});
it("should translate a webpage with embedded metadata", async function () {
var url = testURL + 'single';
var response = await request()
.post('/web')
.set('Content-Type', 'text/plain')
.send(url);
assert.equal(response.statusCode, 200);
var json = response.body;
assert.lengthOf(json, 1);
assert.equal(json[0].itemType, 'journalArticle');
assert.equal(json[0].title, 'Title');
});
it("should return multiple results and perform follow-up translation", async function () {
var url = testURL + 'multiple';
var response = await request()
.post('/web')
.set('Content-Type', 'text/plain')
.send(url);
assert.equal(response.statusCode, 300);
var json = response.body;
assert.equal(json.url, url);
assert.property(json, 'session');
assert.deepEqual(json.items, { 0: 'A', 1: 'B', 2: 'C' });
delete json.items[1];
response = await request()
.post('/web')
.send(json);
assert.equal(response.statusCode, 200);
json = response.body;
assert.lengthOf(json, 2);
assert.equal(json[0].title, 'A');
assert.equal(json[1].title, 'C');
});
// Simulate a request to a different server without the cached session id
it("should return multiple results and perform follow-up translation with unknown session id", async function () {
var url = testURL + 'multiple';
var response = await request()
.post('/web')
.set('Content-Type', 'text/plain')
.send(url);
assert.equal(response.statusCode, 300);
var json = response.body;
assert.equal(json.url, url);
assert.property(json, 'session');
assert.deepEqual(json.items, { 0: 'A', 1: 'B', 2: 'C' });
delete json.items[1];
// Change the session id
json.session[0] = json.session[0] == 'a' ? 'b' : 'a';
response = await request()
.post('/web')
.send(json);
assert.equal(response.statusCode, 200);
json = response.body;
assert.lengthOf(json, 2);
assert.equal(json[0].title, 'A');
assert.equal(json[1].title, 'C');
});
it("should follow a redirect and use the final URL for translation", async function () {
var url = testURL + 'redirect';
var finalURL = testURL + 'single';
var response = await request()
.post('/web')
.set('Content-Type', 'text/plain')
.send(url);
assert.equal(response.statusCode, 200);
var json = response.body;
assert.lengthOf(json, 1);
assert.equal(json[0].itemType, 'journalArticle');
assert.equal(json[0].title, 'Title');
assert.equal(json[0].url, finalURL);
});
it("should translate a remote BibTeX file", async function () {
var url = testURL + 'bibtex';
var response = await request()
.post('/web')
.set('Content-Type', 'text/plain')
.send(url);
assert.equal(response.statusCode, 200);
var json = response.body;
assert.lengthOf(json, 1);
assert.equal(json[0].itemType, 'journalArticle');
assert.equal(json[0].title, 'Title');
});
it("should return 400 if a page returns a 404", async function () {
var url = testURL + '404';
var response = await request()
.post('/web')
.set('Content-Type', 'text/plain')
.send(url);
assert.equal(response.statusCode, 400);
assert.equal(response.text, 'Remote page not found');
});
// Note: This doesn't test subsequent requests during translation
it("should forward the Accept-Language header in the initial request", async function () {
var url = testURL + 'single';
var response = await request()
.post('/web')
.set('Content-Type', 'text/plain')
.set('Accept-Language', 'fr')
.send(url);
assert.equal(response.statusCode, 200);
var json = response.body;
assert.lengthOf(json, 1);
assert.equal(json[0].itemType, 'journalArticle');
assert.equal(json[0].title, 'Titre');
});
it("should reject non-HTML/XML upstream content types", async function () {
var url = testURL + 'invalidContentType';
var response = await request()
.post('/web')
.set('Content-Type', 'text/plain')
.send(url);
assert.equal(response.statusCode, 400);
assert.equal(response.text, "The remote document is not in a supported format");
});
it("should reject missing upstream Content-Type header", async function () {
var url = testURL + 'missingContentType';
var response = await request()
.post('/web')
.set('Content-Type', 'text/plain')
.send(url);
assert.equal(response.statusCode, 400);
assert.equal(response.text, "The remote document is not in a supported format");
});
});
================================================
FILE: translate_export
================================================
#!/bin/bash
format="$1"
if [ -z "$1" ]; then
echo "Usage: $0 format"
exit 1
fi
json='[{"key":"Q5VYZIG2","version":0,"itemType":"newspaperArticle","creators":[{"firstName":"Keith","lastName":"Collins","creatorType":"author"}],"tags":[{"tag":"Net Neutrality","type":1},{"tag":"Pai, Ajit","type":1},{"tag":"Federal Communications Commission","type":1},{"tag":"Regulation and Deregulation of Industry","type":1},{"tag":"Computers and the Internet","type":1}],"title":"Net Neutrality Has Officially Been Repealed. Here’s How That Could Affect You.","section":"Technology","url":"https://www.nytimes.com/2018/06/11/technology/net-neutrality-repeal.html","abstractNote":"Net Neutrality rules that required internet service providers to offer equal access to all web content are no longer in effect as of Monday.","language":"en-US","libraryCatalog":"NYTimes.com","accessDate":"2018-08-21T08:23:37Z","date":"2018-06-11","publicationTitle":"The New York Times","ISSN":"0362-4331"}]'
curl -v -d "$json" -H "Content-Type: application/json" "127.0.0.1:1969/export?format=$format"
================================================
FILE: translate_search
================================================
#!/bin/bash
URL="$1"
if [ -z "$1" ]; then
echo "Usage: $0 identifier-or-phrase"
exit 1
fi
curl -v -d "$URL" -H "Content-Type: text/plain" 127.0.0.1:1969/search
================================================
FILE: translate_url
================================================
#!/bin/bash
URL="$1"
if [ -z "$1" ]; then
echo "Usage: $0 URL"
exit 1
fi
curl -v -d "$URL" -H "Content-Type: text/plain" 127.0.0.1:1969/web
================================================
FILE: translate_url_multiple
================================================
#!/bin/bash
URL="$1"
if [ -z "$1" ]; then
echo "Usage: $0 URL"
exit 1
fi
curl -v -d "$URL" -H "Content-Type: text/plain" 127.0.0.1:1969/web | jq '{ url: .url, session: .session, items: .items | to_entries | [.[0]] | from_entries }' | curl -v -d @- -H "Content-Type: application/json" 127.0.0.1:1969/web
================================================
FILE: translate_url_single
================================================
#!/bin/bash
URL="$1"
if [ -z "$1" ]; then
echo "Usage: $0 URL"
exit 1
fi
curl -v -d "$URL" -H 'Content-Type: text/plain' '127.0.0.1:1969/web?single=1'