Index: frontend/node_modules/faye-websocket/lib/faye/eventsource.js =================================================================== --- frontend/node_modules/faye-websocket/lib/faye/eventsource.js (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) +++ frontend/node_modules/faye-websocket/lib/faye/eventsource.js (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) @@ -0,0 +1,133 @@ +'use strict'; + +var Stream = require('stream').Stream, + util = require('util'), + driver = require('websocket-driver'), + Headers = require('websocket-driver/lib/websocket/driver/headers'), + API = require('./websocket/api'), + EventTarget = require('./websocket/api/event_target'), + Event = require('./websocket/api/event'); + +var EventSource = function(request, response, options) { + this.writable = true; + options = options || {}; + + this._stream = response.socket; + this._ping = options.ping || this.DEFAULT_PING; + this._retry = options.retry || this.DEFAULT_RETRY; + + var scheme = driver.isSecureRequest(request) ? 'https:' : 'http:'; + this.url = scheme + '//' + request.headers.host + request.url; + this.lastEventId = request.headers['last-event-id'] || ''; + this.readyState = API.CONNECTING; + + var headers = new Headers(), + self = this; + + if (options.headers) { + for (var key in options.headers) headers.set(key, options.headers[key]); + } + + if (!this._stream || !this._stream.writable) return; + process.nextTick(function() { self._open() }); + + this._stream.setTimeout(0); + this._stream.setNoDelay(true); + + var handshake = 'HTTP/1.1 200 OK\r\n' + + 'Content-Type: text/event-stream\r\n' + + 'Cache-Control: no-cache, no-store\r\n' + + 'Connection: close\r\n' + + headers.toString() + + '\r\n' + + 'retry: ' + Math.floor(this._retry * 1000) + '\r\n\r\n'; + + this._write(handshake); + + this._stream.on('drain', function() { self.emit('drain') }); + + if (this._ping) + this._pingTimer = setInterval(function() { self.ping() }, this._ping * 1000); + + ['error', 'end'].forEach(function(event) { + self._stream.on(event, function() { self.close() }); + }); +}; +util.inherits(EventSource, Stream); + +EventSource.isEventSource = function(request) { + if (request.method !== 'GET') return false; + var accept = (request.headers.accept || '').split(/\s*,\s*/); + return accept.indexOf('text/event-stream') >= 0; +}; + +var instance = { + DEFAULT_PING: 10, + DEFAULT_RETRY: 5, + + _write: function(chunk) { + if (!this.writable) return false; + try { + return this._stream.write(chunk, 'utf8'); + } catch (e) { + return false; + } + }, + + _open: function() { + if (this.readyState !== API.CONNECTING) return; + + this.readyState = API.OPEN; + + var event = new Event('open'); + event.initEvent('open', false, false); + this.dispatchEvent(event); + }, + + write: function(message) { + return this.send(message); + }, + + end: function(message) { + if (message !== undefined) this.write(message); + this.close(); + }, + + send: function(message, options) { + if (this.readyState > API.OPEN) return false; + + message = String(message).replace(/(\r\n|\r|\n)/g, '$1data: '); + options = options || {}; + + var frame = ''; + if (options.event) frame += 'event: ' + options.event + '\r\n'; + if (options.id) frame += 'id: ' + options.id + '\r\n'; + frame += 'data: ' + message + '\r\n\r\n'; + + return this._write(frame); + }, + + ping: function() { + return this._write(':\r\n\r\n'); + }, + + close: function() { + if (this.readyState > API.OPEN) return false; + + this.readyState = API.CLOSED; + this.writable = false; + if (this._pingTimer) clearInterval(this._pingTimer); + if (this._stream) this._stream.end(); + + var event = new Event('close'); + event.initEvent('close', false, false); + this.dispatchEvent(event); + + return true; + } +}; + +for (var method in instance) EventSource.prototype[method] = instance[method]; +for (var key in EventTarget) EventSource.prototype[key] = EventTarget[key]; + +module.exports = EventSource; Index: frontend/node_modules/faye-websocket/lib/faye/websocket.js =================================================================== --- frontend/node_modules/faye-websocket/lib/faye/websocket.js (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) +++ frontend/node_modules/faye-websocket/lib/faye/websocket.js (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) @@ -0,0 +1,47 @@ +// API references: +// +// * https://html.spec.whatwg.org/multipage/comms.html#network +// * https://dom.spec.whatwg.org/#interface-eventtarget +// * https://dom.spec.whatwg.org/#interface-event + +'use strict'; + +var util = require('util'), + driver = require('websocket-driver'), + API = require('./websocket/api'); + +var WebSocket = function(request, socket, body, protocols, options) { + options = options || {}; + + this._stream = socket; + this._driver = driver.http(request, { maxLength: options.maxLength, protocols: protocols }); + + var self = this; + if (!this._stream || !this._stream.writable) return; + if (!this._stream.readable) return this._stream.end(); + + var catchup = function() { self._stream.removeListener('data', catchup) }; + this._stream.on('data', catchup); + + API.call(this, options); + + process.nextTick(function() { + self._driver.start(); + self._driver.io.write(body); + }); +}; +util.inherits(WebSocket, API); + +WebSocket.isWebSocket = function(request) { + return driver.isWebSocket(request); +}; + +WebSocket.validateOptions = function(options, validKeys) { + driver.validateOptions(options, validKeys); +}; + +WebSocket.WebSocket = WebSocket; +WebSocket.Client = require('./websocket/client'); +WebSocket.EventSource = require('./eventsource'); + +module.exports = WebSocket; Index: frontend/node_modules/faye-websocket/lib/faye/websocket/api.js =================================================================== --- frontend/node_modules/faye-websocket/lib/faye/websocket/api.js (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) +++ frontend/node_modules/faye-websocket/lib/faye/websocket/api.js (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) @@ -0,0 +1,199 @@ +'use strict'; + +var Stream = require('stream').Stream, + util = require('util'), + driver = require('websocket-driver'), + EventTarget = require('./api/event_target'), + Event = require('./api/event'); + +var API = function(options) { + options = options || {}; + driver.validateOptions(options, ['headers', 'extensions', 'maxLength', 'ping', 'proxy', 'tls', 'ca']); + + this.readable = this.writable = true; + + var headers = options.headers; + if (headers) { + for (var name in headers) this._driver.setHeader(name, headers[name]); + } + + var extensions = options.extensions; + if (extensions) { + [].concat(extensions).forEach(this._driver.addExtension, this._driver); + } + + this._ping = options.ping; + this._pingId = 0; + this.readyState = API.CONNECTING; + this.bufferedAmount = 0; + this.protocol = ''; + this.url = this._driver.url; + this.version = this._driver.version; + + var self = this; + + this._driver.on('open', function(e) { self._open() }); + this._driver.on('message', function(e) { self._receiveMessage(e.data) }); + this._driver.on('close', function(e) { self._beginClose(e.reason, e.code) }); + + this._driver.on('error', function(error) { + self._emitError(error.message); + }); + this.on('error', function() {}); + + this._driver.messages.on('drain', function() { + self.emit('drain'); + }); + + if (this._ping) + this._pingTimer = setInterval(function() { + self._pingId += 1; + self.ping(self._pingId.toString()); + }, this._ping * 1000); + + this._configureStream(); + + if (!this._proxy) { + this._stream.pipe(this._driver.io); + this._driver.io.pipe(this._stream); + } +}; +util.inherits(API, Stream); + +API.CONNECTING = 0; +API.OPEN = 1; +API.CLOSING = 2; +API.CLOSED = 3; + +API.CLOSE_TIMEOUT = 30000; + +var instance = { + write: function(data) { + return this.send(data); + }, + + end: function(data) { + if (data !== undefined) this.send(data); + this.close(); + }, + + pause: function() { + return this._driver.messages.pause(); + }, + + resume: function() { + return this._driver.messages.resume(); + }, + + send: function(data) { + if (this.readyState > API.OPEN) return false; + if (!(data instanceof Buffer)) data = String(data); + return this._driver.messages.write(data); + }, + + ping: function(message, callback) { + if (this.readyState > API.OPEN) return false; + return this._driver.ping(message, callback); + }, + + close: function(code, reason) { + if (code === undefined) code = 1000; + if (reason === undefined) reason = ''; + + if (code !== 1000 && (code < 3000 || code > 4999)) + throw new Error("Failed to execute 'close' on WebSocket: " + + "The code must be either 1000, or between 3000 and 4999. " + + code + " is neither."); + + if (this.readyState < API.CLOSING) { + var self = this; + this._closeTimer = setTimeout(function() { + self._beginClose('', 1006); + }, API.CLOSE_TIMEOUT); + } + + if (this.readyState !== API.CLOSED) this.readyState = API.CLOSING; + + this._driver.close(reason, code); + }, + + _configureStream: function() { + var self = this; + + this._stream.setTimeout(0); + this._stream.setNoDelay(true); + + ['close', 'end'].forEach(function(event) { + this._stream.on(event, function() { self._finalizeClose() }); + }, this); + + this._stream.on('error', function(error) { + self._emitError('Network error: ' + self.url + ': ' + error.message); + self._finalizeClose(); + }); + }, + + _open: function() { + if (this.readyState !== API.CONNECTING) return; + + this.readyState = API.OPEN; + this.protocol = this._driver.protocol || ''; + + var event = new Event('open'); + event.initEvent('open', false, false); + this.dispatchEvent(event); + }, + + _receiveMessage: function(data) { + if (this.readyState > API.OPEN) return false; + + if (this.readable) this.emit('data', data); + + var event = new Event('message', { data: data }); + event.initEvent('message', false, false); + this.dispatchEvent(event); + }, + + _emitError: function(message) { + if (this.readyState >= API.CLOSING) return; + + var event = new Event('error', { message: message }); + event.initEvent('error', false, false); + this.dispatchEvent(event); + }, + + _beginClose: function(reason, code) { + if (this.readyState === API.CLOSED) return; + this.readyState = API.CLOSING; + this._closeParams = [reason, code]; + + if (this._stream) { + this._stream.destroy(); + if (!this._stream.readable) this._finalizeClose(); + } + }, + + _finalizeClose: function() { + if (this.readyState === API.CLOSED) return; + this.readyState = API.CLOSED; + + if (this._closeTimer) clearTimeout(this._closeTimer); + if (this._pingTimer) clearInterval(this._pingTimer); + if (this._stream) this._stream.end(); + + if (this.readable) this.emit('end'); + this.readable = this.writable = false; + + var reason = this._closeParams ? this._closeParams[0] : '', + code = this._closeParams ? this._closeParams[1] : 1006; + + var event = new Event('close', { code: code, reason: reason }); + event.initEvent('close', false, false); + this.dispatchEvent(event); + } +}; + +for (var method in instance) API.prototype[method] = instance[method]; +for (var key in EventTarget) API.prototype[key] = EventTarget[key]; + +module.exports = API; Index: frontend/node_modules/faye-websocket/lib/faye/websocket/api/event.js =================================================================== --- frontend/node_modules/faye-websocket/lib/faye/websocket/api/event.js (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) +++ frontend/node_modules/faye-websocket/lib/faye/websocket/api/event.js (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) @@ -0,0 +1,22 @@ +'use strict'; + +var Event = function(eventType, options) { + this.type = eventType; + for (var key in options) + this[key] = options[key]; +}; + +Event.prototype.initEvent = function(eventType, canBubble, cancelable) { + this.type = eventType; + this.bubbles = canBubble; + this.cancelable = cancelable; +}; + +Event.prototype.stopPropagation = function() {}; +Event.prototype.preventDefault = function() {}; + +Event.CAPTURING_PHASE = 1; +Event.AT_TARGET = 2; +Event.BUBBLING_PHASE = 3; + +module.exports = Event; Index: frontend/node_modules/faye-websocket/lib/faye/websocket/api/event_target.js =================================================================== --- frontend/node_modules/faye-websocket/lib/faye/websocket/api/event_target.js (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) +++ frontend/node_modules/faye-websocket/lib/faye/websocket/api/event_target.js (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) @@ -0,0 +1,30 @@ +'use strict'; + +var Event = require('./event'); + +var EventTarget = { + onopen: null, + onmessage: null, + onerror: null, + onclose: null, + + addEventListener: function(eventType, listener, useCapture) { + this.on(eventType, listener); + }, + + removeEventListener: function(eventType, listener, useCapture) { + this.removeListener(eventType, listener); + }, + + dispatchEvent: function(event) { + event.target = event.currentTarget = this; + event.eventPhase = Event.AT_TARGET; + + if (this['on' + event.type]) + this['on' + event.type](event); + + this.emit(event.type, event); + } +}; + +module.exports = EventTarget; Index: frontend/node_modules/faye-websocket/lib/faye/websocket/client.js =================================================================== --- frontend/node_modules/faye-websocket/lib/faye/websocket/client.js (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) +++ frontend/node_modules/faye-websocket/lib/faye/websocket/client.js (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) @@ -0,0 +1,90 @@ +'use strict'; + +var util = require('util'), + net = require('net'), + tls = require('tls'), + url = require('url'), + driver = require('websocket-driver'), + API = require('./api'), + Event = require('./api/event'); + +var DEFAULT_PORTS = { 'http:': 80, 'https:': 443, 'ws:':80, 'wss:': 443 }, + SECURE_PROTOCOLS = ['https:', 'wss:']; + +var Client = function(_url, protocols, options) { + options = options || {}; + + this.url = _url; + this._driver = driver.client(this.url, { maxLength: options.maxLength, protocols: protocols }); + + ['open', 'error'].forEach(function(event) { + this._driver.on(event, function() { + self.headers = self._driver.headers; + self.statusCode = self._driver.statusCode; + }); + }, this); + + var proxy = options.proxy || {}, + endpoint = url.parse(proxy.origin || this.url), + port = endpoint.port || DEFAULT_PORTS[endpoint.protocol], + secure = SECURE_PROTOCOLS.indexOf(endpoint.protocol) >= 0, + onConnect = function() { self._onConnect() }, + netOptions = options.net || {}, + originTLS = options.tls || {}, + socketTLS = proxy.origin ? (proxy.tls || {}) : originTLS, + self = this; + + netOptions.host = socketTLS.host = endpoint.hostname; + netOptions.port = socketTLS.port = port; + + originTLS.ca = originTLS.ca || options.ca; + socketTLS.servername = socketTLS.servername || endpoint.hostname; + + this._stream = secure + ? tls.connect(socketTLS, onConnect) + : net.connect(netOptions, onConnect); + + if (proxy.origin) this._configureProxy(proxy, originTLS); + + API.call(this, options); +}; +util.inherits(Client, API); + +Client.prototype._onConnect = function() { + var worker = this._proxy || this._driver; + worker.start(); +}; + +Client.prototype._configureProxy = function(proxy, originTLS) { + var uri = url.parse(this.url), + secure = SECURE_PROTOCOLS.indexOf(uri.protocol) >= 0, + self = this, + name; + + this._proxy = this._driver.proxy(proxy.origin); + + if (proxy.headers) { + for (name in proxy.headers) this._proxy.setHeader(name, proxy.headers[name]); + } + + this._proxy.pipe(this._stream, { end: false }); + this._stream.pipe(this._proxy); + + this._proxy.on('connect', function() { + if (secure) { + var options = { socket: self._stream, servername: uri.hostname }; + for (name in originTLS) options[name] = originTLS[name]; + self._stream = tls.connect(options); + self._configureStream(); + } + self._driver.io.pipe(self._stream); + self._stream.pipe(self._driver.io); + self._driver.start(); + }); + + this._proxy.on('error', function(error) { + self._driver.emit('error', error); + }); +}; + +module.exports = Client;