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scriptStorage.js
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'use strict';
// Define some pseudo module globals
var isPro = require('../libs/debug').isPro;
var isDev = require('../libs/debug').isDev;
var isDbg = require('../libs/debug').isDbg;
var isSecured = require('../libs/debug').isSecured;
var uaOUJS = require('../libs/debug').uaOUJS;
var statusError = require('../libs/debug').statusError;
//
//--- Dependency inclusions
var fs = require('fs');
var util = require('util');
var http = require('http');
var _ = require('underscore');
var crypto = require('crypto');
var request = require('request');
var stream = require('stream');
var peg = require('pegjs');
var AWS = require('aws-sdk');
var S3rver = require('s3rver');
var Terser = require("terser");
var rfc2047 = require('rfc2047');
var mediaType = require('media-type');
var mediaDB = require('mime-db');
var async = require('async');
var moment = require('moment');
var Base62 = require('base62/lib/ascii');
var SPDX = require('spdx-license-ids');
var sizeOf = require('image-size');
var ipRangeCheck = require("ip-range-check");
var colors = require('ansi-colors');
//--- Model inclusions
var Script = require('../models/script').Script;
var User = require('../models/user').User;
var Discussion = require('../models/discussion').Discussion;
//--- Controller inclusions
//--- Library inclusions
// var scriptStorageLib = require('../libs/scriptStorage');
var patternHasSameOrigin = require('../libs/helpers').patternHasSameOrigin;
var patternMaybeSameOrigin = require('../libs/helpers').patternMaybeSameOrigin;
var ensureIntegerOrNull = require('../libs/helpers').ensureIntegerOrNull;
var RepoManager = require('../libs/repoManager');
var cleanFilename = require('../libs/helpers').cleanFilename;
var findDeadorAlive = require('../libs/remove').findDeadorAlive;
var encode = require('../libs/helpers').encode;
var isFQUrl = require('../libs/helpers').isFQUrl;
var countTask = require('../libs/tasks').countTask;
var modelParser = require('../libs/modelParser');
//--- Configuration inclusions
var userRoles = require('../models/userRoles.json');
var blockSPDX = require('../libs/blockSPDX');
var exceptSPDX = require('../libs/exceptSPDX');
var settings = require('../models/settings.json');
// Add greasemonkey support for Media Type
if (!mediaDB['text/x-userscript-meta']) {
mediaDB = _.extend(mediaDB, {
'text/x-userscript-meta' : {
source: 'greasemonkey',
compressible: true,
extensions: ['meta.js']
}
});
}
if (!mediaDB['text/x-userscript']) {
mediaDB = _.extend(mediaDB, {
'text/x-userscript' : {
source: 'greasemonkey_peer',
compressible: true,
extensions: ['user.js']
}
});
}
// Allow Microsoft Edge browsers to test
if (!mediaDB['image/jxr']) {
mediaDB = _.extend(mediaDB, {
'image/jxr' : {
source: 'iana_psmtr',
extensions: ['jxr']
}
});
}
// Allow some Chromium based browsers to test
if (!mediaDB['application/signed-exchange']) {
mediaDB = _.extend(mediaDB, {
'application/signed-exchange' : {
source: 'google',
extensions: []
}
});
}
if (!mediaDB['*/*']) {
mediaDB = _.extend(mediaDB, {'*/*' : { source: 'iana'}});
}
//---
// Load in the pegjs configuration files synchronously to detect immediate change errors.
// NOTE: These aren't JSON so not included in configuration inclusions but nearby
var parsers = (function () {
return {
UserScript: peg.generate(fs.readFileSync('./public/pegjs/blockUserScript.pegjs', 'utf8'),
{ allowedStartRules: ['line'] }),
UserLibrary: peg.generate(fs.readFileSync('./public/pegjs/blockUserLibrary.pegjs', 'utf8'),
{ allowedStartRules: ['line'] }),
OpenUserJS: peg.generate(fs.readFileSync('./public/pegjs/blockOpenUserJS.pegjs', 'utf8'),
{ allowedStartRules: ['line'] })
};
})();
exports.parsers = parsers;
var bucketName = 'OpenUserJS.org';
if (isDev) {
bucketName = bucketName.toLowerCase(); // NOTE: *S3rver* requirement
}
var DEV_AWS_URL = null;
var devAWSURL = null;
var serverS3 = null;
if (isPro) {
AWS.config.update({
region: 'us-east-1'
});
} else {
DEV_AWS_URL = process.env.DEV_AWS_URL || 'http://localhost:10001';
AWS.config.update({
accessKeyId: 'S3RVER',
secretAccessKey: 'S3RVER',
endpoint: DEV_AWS_URL,
sslEnabled: false,
s3ForcePathStyle: true
});
devAWSURL = new URL(DEV_AWS_URL);
serverS3 = new S3rver({
hostname: devAWSURL.hostname,
port: devAWSURL.port,
directory: './S3rver' // WATCHPOINT: Technically this should be `..` Is probably upstream issue
}).run(function (aErr) {
if (aErr) {
console.error([
colors.red('ERROR: S3rver not initialized'),
aErr
].join('\n'));
return;
}
console.log(colors.green('S3rver initialized'));
var s3 = new AWS.S3();
s3.createBucket({ Bucket: bucketName }, function (aErr) {
if (aErr) {
switch (aErr.statusCode) {
case 409:
console.log(colors.green('Default dev S3 bucket already exists'));
break;
default:
console.error([
colors.red('Error creating default dev S3 bucket'),
aErr
].join('\n'));
// fallthrough
}
return;
} else {
console.log(colors.green('Created default dev S3 bucket'));
}
});
});
}
// Get Terser installation datestamp once
var stats = fs.statSync('./node_modules/terser/package.json');
var mtimeTerser = new Date(util.inspect(stats.mtime));
var githubHookAddresses = [];
if (isSecured) {
request({
url: 'https://api.github.com/meta',
headers: {
'User-Agent': uaOUJS + (process.env.UA_SECRET ? ' ' + process.env.UA_SECRET : '')
}
}, function (aErr, aRes, aBody) {
var meta = null;
if (aErr
|| aRes.statusCode !== 200
|| !/^application\/json;/.test(aRes.headers['content-type'])) {
console.error([
colors.red('Error retrieving GitHub `hooks`'),
aRes.statusCode,
aRes.headers['content-type'],
aErr
].join('\n'));
return;
}
try {
meta = JSON.parse(aBody);
} catch (aE) {
console.error(colors.red('Error retrieving GitHub `hooks`', aE));
return;
}
if (meta && meta.hooks && Array.isArray(meta.hooks)) {
meta.hooks.forEach(function (aEl, aIdx, aArr) {
if (typeof aEl === 'string' && /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\/\d{1,2}$/.test(aEl)) {
githubHookAddresses.push(aEl);
} else {
console.warn(
colors.yellow('GitHub `hooks` element', aEl, 'does not match IPv4 CIDR specification')
);
}
});
if (githubHookAddresses.length > 0) {
console.log(colors.green('Using GitHub `hooks` of'), githubHookAddresses);
} else {
console.error(colors.red('Error retrieving GitHub `hooks`... no compatible elements found'));
}
} else {
console.error(colors.red('Error retrieving GitHub `hooks`'));
}
});
} else {
console.warn(colors.yellow('Disabling GitHub `hooks` in unsecure mode'));
}
//
function getInstallNameBase(aReq, aOptions) {
//
var base = null;
var username = aReq.params.username;
var scriptname = aReq.params.scriptname;
var rKnownExtensions = /\.(min\.)?((user\.)?js|meta\.js(on)?)$/;
if (!aOptions) {
aOptions = {};
}
if (aOptions.hasExtension) {
scriptname = scriptname.replace(rKnownExtensions, '');
}
switch (aOptions.encoding) {
case 'uri':
base = encodeURIComponent(username) + '/' + encodeURIComponent(scriptname);
break;
case 'url':
base = encode(username) + '/' + encode(scriptname);
default:
base = username + '/' + scriptname;
}
return base;
}
exports.getInstallNameBase = getInstallNameBase;
function caseInsensitive(aInstallName) {
return new RegExp('^' + aInstallName.replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1") + '$', 'i');
}
exports.caseInsensitive = caseInsensitive;
function caseSensitive(aInstallName, aMoreThanInstallName) {
//
var rMatchExpression = aMoreThanInstallName ? /^(.*)\/(.*)\/(.*)\/(.*)$/ : /^(.*)\/(.*)$/;
var matches = aInstallName.match(rMatchExpression);
var char = null;
var username = '';
var rExpression = null;
if (matches) {
if (aMoreThanInstallName) {
for (char in matches[2]) {
if (matches[2][char].toLowerCase() !== matches[2][char].toUpperCase()) {
username += '[' +
matches[2][char].toLowerCase().replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1") +
matches[2][char].toUpperCase().replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1") + ']';
} else {
username += matches[2][char].replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1");
}
}
rExpression = new RegExp(
'^' +
matches[1] + '/' +
username + '/' +
matches[3].replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1") + '/' +
matches[4] + '$',
''
);
} else {
for (char in matches[1]) {
if (matches[1][char].toLowerCase() !== matches[1][char].toUpperCase()) {
username += '[' +
matches[1][char].toLowerCase().replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1") +
matches[1][char].toUpperCase().replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1") + ']';
} else {
username += matches[1][char].replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1");
}
}
rExpression = new RegExp(
'^' +
username + '/' +
matches[2].replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1") + '$',
''
);
}
}
return rExpression;
}
exports.caseSensitive = caseSensitive;
exports.getSource = function (aReq, aCallback) {
var installNameBase = getInstallNameBase(aReq, { hasExtension: true });
var isLib = aReq.params.isLib;
Script.findOne({
installName: caseSensitive(installNameBase + (isLib ? '.js' : '.user.js'))
}, function (aErr, aScript) {
var s3Object = null;
var s3 = new AWS.S3();
if (aErr) {
if (isDbg) {
console.error(
'Document lookup failure for',
installNameBase + (isLib ? '.js' : '.user.js'),
aErr.message
);
}
aCallback(null);
return;
}
if (!aScript) {
if (isDbg) {
console.warn(
'Document not found for', installNameBase + (isLib ? '.js' : '.user.js')
);
}
aCallback(null);
return;
}
// Ensure casing on username is identical for S3 retrieval
if (aReq.params.username !== aScript.author) {
aReq.params.username = aScript.author;
installNameBase = getInstallNameBase(aReq, { hasExtension: true });
}
s3Object = s3.getObject({
Bucket: bucketName,
Key: installNameBase + (isLib ? '.js' : '.user.js')
}, function(aErr, aData) {
var bufferStream = null;
if (aErr) {
console.error(
'S3 GET (establishing) ',
aErr.code,
'for', installNameBase + (isLib ? '.js' : '.user.js') + '\n' +
JSON.stringify(aErr, null, ' ') + '\n' +
aErr.stack
);
// Abort
aCallback(null);
// fallthrough
} else {
bufferStream = new stream.PassThrough();
bufferStream.end(Buffer.from(aData.Body));
// Get the script
aCallback(aScript, bufferStream);
}
})
});
};
var cacheableScript = function (aReq) {
var pragma = aReq.get('pragma') || null;
var cacheControl = aReq.get('cache-control') || null;
if (pragma && pragma.indexOf('no-cache') !== -1 ||
(cacheControl &&
cacheControl.indexOf('no-cache') !== -1 &&
cacheControl.indexOf('no-store') !== -1 &&
cacheControl.indexOf('no-transform') !== -1)) {
} else {
return true;
}
return false; // Always ensure default is `false`
}
var keyScript = function (aReq, aRes, aNext) {
let pathname = aReq._parsedUrl.pathname;
let isLib = /^\/src\/libs\//.test(pathname);
let installName = pathname.replace(/^\/(?:install|src\/(?:scripts|libs))\//, '');
let parts = installName.split('/');
let userName = parts[0].toLowerCase();
let scriptName = parts[1];
let rJS = /\.js$/;
if (!isLib) {
aNext(userName + '/' + scriptName.replace(/(\.min)?\.(?:user|meta)\.js$/, '.user.js'));
return;
} else if (rJS.test(scriptName)) {
aNext(userName + '/' + scriptName.replace(/(\.min)?\.js$/, '.js'));
return;
}
// No matches so force to end point
aRes.status(400).send(); // Bad Request
}
exports.unlockScript = function (aReq, aRes, aNext) {
let rMetaMinUserLibJS = /(?:\.(?:meta|(?:min\.)?user|min))?\.js$/;
let pathname = aReq._parsedUrl.pathname;
let acceptHeader = aReq.headers.accept || '*/*';
let accepts = null;
let wantsJustAnything = false;
let hasUnacceptable = false;
let hasAcceptable = false;
// Test known extensions
if (!rMetaMinUserLibJS.test(pathname)) {
aRes.status(400).send(); // Bad request
return;
}
// Test accepts
accepts = acceptHeader.split(',').map(function (aEl) {
return aEl.trim();
}).reverse();
for (let accept of accepts) {
let media = mediaType.fromString(accept);
if (media.isValid()) {
// Check for unacceptables
let mediaTypeSubtypeSuffix = media.type + '/' + media.subtype + (media.hasSuffix() ? '+' + media.suffix : '');
if (!mediaDB[mediaTypeSubtypeSuffix]) {
if (isDev) {
console.warn('- unacceptable := ', mediaTypeSubtypeSuffix);
}
hasUnacceptable = true;
break;
}
// Check for just anything
if (mediaTypeSubtypeSuffix === '*/*' && accepts.length === 1) {
wantsJustAnything = true;
break;
}
// Check for acceptables
for (let acceptable of
[
'text/x-userscript-meta',
'text/x-userscript',
'text/javascript',
'text/ecmascript',
'application/javascript',
'application/x-javascript',
'text/html',
'application/xhtml+xml',
'*/*'
]
) {
if (mediaTypeSubtypeSuffix === acceptable && mediaTypeSubtypeSuffix !== '*/*') {
hasAcceptable = true;
}
}
} else {
hasUnacceptable = true;
break;
}
}
if (hasUnacceptable || (!wantsJustAnything && !hasAcceptable)) {
aRes.status(406).send(); // Not Acceptable
return;
}
aNext();
}
exports.sendScript = function (aReq, aRes, aNext) {
if (aReq.params.type === 'libs') {
aReq.params.isLib = true;
}
let pathname = aReq._parsedUrl.pathname;
let isLib = aReq.params.isLib || /^\/src\/libs\//.test(pathname);
let rMetaJS = /\.meta\.js$/;
if (!isLib &&
((aReq.headers.accept || '*/*').split(',').indexOf('text/x-userscript-meta') > -1 ||
rMetaJS.test(pathname))) {
exports.sendMeta(aReq, aRes, aNext);
return;
}
exports.getSource(aReq, function (aScript, aStream) {
let chunks = [];
let updateURL = null;
let updateUtf = null;
let matches = null;
let rAnyLocalMetaUrl = new RegExp(
'^' + patternHasSameOrigin +
'/(?:meta|install|src/scripts)/(.+?)/(.+?)\.(?:meta|user)\.js$'
);
let hasAlternateLocalUpdateURL = false;
let rSameOrigin = new RegExp(
'^' + patternHasSameOrigin
);
var lastModified = null;
var eTag = null;
var maxAge = 7 * 60 * 60 * 24; // nth day(s) in seconds
var now = null;
var continuation = true;
if (!aScript) {
aNext();
return;
}
if (process.env.FORCE_BUSY_UPDATEURL_CHECK === 'true') {
// `@updateURL` must be exact here for OUJS hosted checks
// e.g. no `search`, no `hash`
updateURL = findMeta(aScript.meta, 'UserScript.updateURL.0.value');
if (updateURL) {
// Check for decoding error
try {
updateUtf = decodeURIComponent(updateURL);
} catch (aE) {
aRes.set('Warning', '199 ' + aReq.headers.host +
rfc2047.encode(' Invalid @updateURL'));
aRes.status(400).send(); // Bad request
return;
}
// Validate `author` and `name` (installNameBase) to this scripts meta only
let matches = updateUtf.match(rAnyLocalMetaUrl);
if (matches) {
if (cleanFilename(aScript.author, '').toLowerCase() +
'/' + cleanFilename(aScript.name, '') === matches[1].toLowerCase() + '/' + matches[2])
{
// Same script
} else {
hasAlternateLocalUpdateURL = true;
}
} else {
// Allow offsite checks
updateURL = new URL(updateURL);
if (rSameOrigin.test(updateURL.origin)) {
hasAlternateLocalUpdateURL = true;
}
}
} else {
if (!aScript.isLib) {
// Don't serve the script anywhere in this mode and if absent
hasAlternateLocalUpdateURL = true;
}
}
if (hasAlternateLocalUpdateURL) {
aRes.set('Warning', '199 ' + aReq.headers.host +
rfc2047.encode(' Invalid @updateURL in lockdown'));
aRes.status(404).send(); // Not found
return;
}
}
// HTTP/1.1 Caching
aRes.set('Cache-Control', 'public, max-age=' + maxAge +
', no-cache, no-transform, must-revalidate');
// Only minify for response that doesn't contain `.min.` extension
if (!/\.min(\.user)?\.js$/.test(aReq._parsedUrl.pathname) ||
process.env.DISABLE_SCRIPT_MINIFICATION === 'true') {
//
lastModified = moment(aScript.updated)
.utc().format('ddd, DD MMM YYYY HH:mm:ss') + ' GMT';
// Convert a based representation of the hex sha512sum
eTag = '"' + Base62.encode(parseInt('0x' + aScript.hash, 16)) + ' .user.js"';
// If already client-side... HTTP/1.1 Caching
if (aReq.get('if-none-match') === eTag || aReq.get('if-modified-since') === lastModified) {
aRes.status(304).send(); // Not Modified
return;
}
//
aStream.on('error', function (aErr) {
// This covers errors during connection in direct view
console.error(
'S3 GET (chunking native) ',
aErr.code,
'for', aScript.installName + '\n' +
JSON.stringify(aErr, null, ' ') + '\n' +
aErr.stack
);
if (continuation) {
continuation = false;
// Abort
aNext();
// fallthrough
}
});
aStream.on('data', function (aData) {
if (continuation) {
chunks.push(aData);
}
});
aStream.on('end', function () {
let source = null;
if (continuation) {
continuation = false;
source = chunks.join(''); // NOTE: Watchpoint
// Send the script
aRes.set('Content-Type', 'text/javascript; charset=UTF-8');
aStream.setEncoding('utf8');
// HTTP/1.0 Caching
aRes.set('Expires', moment(moment() + maxAge * 1000).utc()
.format('ddd, DD MMM YYYY HH:mm:ss') + ' GMT');
// HTTP/1.1 Caching
aRes.set('Last-modified', lastModified);
aRes.set('Etag', eTag);
aRes.write(source);
aRes.end();
// NOTE: Try and force a GC
source = null;
chunks = null;
// Don't count installs on raw source route
if (aScript.isLib || aReq.params.type) {
return;
}
// Don't count installs from tagged XHR
if (aReq.get('x-requested-with')) {
return;
}
// Don't count installs on browser request in Fx
if (aReq.get('accept') && aReq.get('accept').indexOf('text/html') > -1) { // NOTE: Watchpoint
return;
}
// Update the install count
++aScript.installs;
++aScript.installsSinceUpdate;
// Resave affected properties
aScript.save(function (aErr, aScript) {
// WARNING: No error handling at this stage
});
}
});
} else { // Wants to try minified
//
lastModified = moment(mtimeTerser > aScript.updated ? mtimeTerser : aScript.updated)
.utc().format('ddd, DD MMM YYYY HH:mm:ss') + ' GMT';
// If already client-side... partial HTTP/1.1 Caching
if (isPro && aReq.get('if-modified-since') === lastModified) {
aRes.status(304).send(); // Not Modified
return;
}
aStream.on('error', function (aErr) {
// This covers errors during connection in direct view
console.error(
'S3 GET (chunking minified) ',
aErr.code,
'for', aScript.installName + '\n' +
JSON.stringify(aErr, null, ' ') + '\n' +
aErr.stack
);
if (continuation) {
continuation = false;
// Abort
aNext();
// fallthrough
}
});
aStream.on('data', function (aData) {
if (continuation) {
chunks.push(aData);
}
});
aStream.on('end', function () {
let source = null;
let result = null;
let msg = null;
if (continuation) {
continuation = false;
source = chunks.join(''); // NOTE: Watchpoint
msg = null;
try {
result = Terser.minify(source, {
parse: {
bare_returns: true
},
compress: {
inline: false
},
mangle: false,
output: {
comments: true,
quote_style: 3
}
});
if (result.error) {
throw result.error; // Passthrough the error if present to our handler
} else if(!result.code) {
throw new TypeError('Terser error of `code` being absent');
} else {
source = result.code;
// Calculate a based representation of the hex sha512sum
eTag = '"' + Base62.encode(
parseInt('0x' + crypto.createHash('sha512').update(source).digest('hex'), 16)) +
' .min.user.js"';
}
} catch (aE) { // On any failure default to unminified
if (isDev) {
console.warn([
'MINIFICATION WARNING (harmony):',
' message: ' + aE.message,
' installName: ' + aScript.installName,
' line: ' + aE.line + ' col: ' + aE.col + ' pos: ' + aE.pos
].join('\n'));
}
// Set up a `Warning` header with Q encoding under RFC2047
msg = [
'199 ' + aReq.headers.host + ' MINIFICATION WARNING (harmony):',
' ' + rfc2047.encode(aE.message.replace(/\xAB/g, '`').replace(/\xBB/g, '`')),
' line: ' + aE.line + ' col: ' + aE.col + ' pos: ' + aE.pos,
].join('\u0020'); // TODO: Watchpoint... *express*/*node* exception thrown with CRLF SPACE spec
aRes.set('Warning', msg);
// Reset to unminified last modified date stamp
lastModified = moment(aScript.updated)
.utc().format('ddd, DD MMM YYYY HH:mm:ss') + ' GMT';
// Reset to convert a based representation of the hex sha512sum
eTag = '"' + Base62.encode(parseInt('0x' + aScript.hash, 16)) + ' .user.js"';
}
// If already client-side... partial HTTP/1.1 Caching
if (aReq.get('if-none-match') === eTag) {
// Conditionally send lastModified
if (aReq.get('if-modified-since') !== lastModified) {
aRes.set('Last-Modified', lastModified);
}
aRes.status(304).send(); // Not Modified
return;
}
// Send the script
aRes.set('Content-Type', 'text/javascript; charset=UTF-8');
aStream.setEncoding('utf8');
// HTTP/1.0 Caching
aRes.set('Expires', moment(moment() + maxAge * 1000)
.utc().format('ddd, DD MMM YYYY HH:mm:ss') + ' GMT');
// HTTP/1.1 Caching
aRes.set('Last-Modified', lastModified);
aRes.set('Etag', eTag);
aRes.write(source);
aRes.end();
// NOTE: Try and force a GC
source = null;
chunks = null;
// Don't count installs on raw source route
if (aScript.isLib || aReq.params.type) {
return;
}
// Update the install count
++aScript.installs;
++aScript.installsSinceUpdate;
// Resave affected properties
aScript.save(function (aErr, aScript) {
// WARNING: No err handling
});
}
});
}
});
};
// Send user script metadata block
exports.sendMeta = function (aReq, aRes, aNext) {
function preRender() {
}
function render() {
aRes.end(JSON.stringify(meta, null, isPro ? '' : ' '));
}
function asyncComplete(aErr) {
if (aErr) {
aRes.status(aErr.statusCode).send({status: aErr.statusCode, message: aErr.statusMessage});
return;
}
preRender();
render();
}
var installNameBase = getInstallNameBase(aReq, { hasExtension: true });
var meta = null;
Script.findOne({ installName: caseSensitive(installNameBase + '.user.js') },
function (aErr, aScript) {
// WARNING: No err handling
var script = null;
var scriptOpenIssueCountQuery = null;
var whitespace = '\u0020\u0020\u0020\u0020';
var tasks = [];
var eTag = null;
var maxAge = 7 * 60 * 60 * 24; // nth day(s) in seconds
if (!aScript) {
aNext();
return;
}
// HTTP/1.1 Caching
aRes.set('Cache-Control', 'public, max-age=' + maxAge +
', no-cache, no-transform, must-revalidate');
script = modelParser.parseScript(aScript);
meta = script.meta; // NOTE: Watchpoint
if (/\.json$/.test(aReq.params.scriptname)) {
// Create a based representation of the hex sha512sum
eTag = '"' + Base62.encode(parseInt('0x' + aScript.hash, 16)) + ' .meta.json"';
// If already client-side... HTTP/1.1 Caching
if (aReq.get('if-none-match') === eTag) {
aRes.status(304).send(); // Not Modified
return;
}
// Okay to send .meta.json...
aRes.set('Content-Type', 'application/json; charset=UTF-8');
// HTTP/1.0 Caching
aRes.set('Expires', moment(moment() + maxAge * 1000).utc()
.format('ddd, DD MMM YYYY HH:mm:ss') + ' GMT');
// HTTP/1.1 Caching
aRes.set('Etag', eTag);
// Check for existance of OUJS metadata block
if (!meta.OpenUserJS) {
meta.OpenUserJS = {};
}
// Overwrite any keys found with the following...
meta.OpenUserJS.installs = [{ value: script.installs }];
meta.OpenUserJS.issues = [{ value: 'n/a' }];
meta.OpenUserJS.hash = aScript.hash ? [{ value: aScript.hash }] : undefined;
// Get the number of open issues
scriptOpenIssueCountQuery = Discussion.find({ category: exports
.caseSensitive(decodeURIComponent(script.issuesCategorySlug), true), open: {$ne: false} });
tasks.push(countTask(scriptOpenIssueCountQuery, meta.OpenUserJS.issues[0], 'value'));
async.parallel(tasks, asyncComplete);
} else {
// Create a based representation of the hex sha512sum
eTag = '"' + Base62.encode(parseInt('0x' + aScript.hash, 16)) + ' .meta.js"';
// If already client-side... HTTP/1.1 Caching
if (aReq.get('if-none-match') === eTag) {
aRes.status(304).send(); // Not Modified
return;
}
// Okay to send .meta.js...
aRes.set('Content-Type', 'text/javascript; charset=UTF-8');
// HTTP/1.0 Caching
aRes.set('Expires', moment(moment() + maxAge * 1000).utc()
.format('ddd, DD MMM YYYY HH:mm:ss') + ' GMT');
// HTTP/1.1 Caching
aRes.set('Etag', eTag);
aRes.write('// ==UserScript==\n');
if (meta.UserScript.version) {
aRes.write('// @version' + whitespace + meta.UserScript.version[0].value + '\n');
}
Object.keys(meta.UserScript.name).forEach(function (aName) {
var key = meta.UserScript.name[aName].key || 'name';
var value = meta.UserScript.name[aName].value;
aRes.write('// @' + key + whitespace + value + '\n');
});