Added node-modules

node_modules/socket.io/lib/logger.js

@@ -0,0 +1,97 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var util = require('./util')
+  , toArray = util.toArray;
+
+/**
+ * Log levels.
+ */
+
+var levels = [
+    'error'
+  , 'warn'
+  , 'info'
+  , 'debug'
+];
+
+/**
+ * Colors for log levels.
+ */
+
+var colors = [
+    31
+  , 33
+  , 36
+  , 90
+];
+
+/**
+ * Pads the nice output to the longest log level.
+ */
+
+function pad (str) {
+  var max = 0;
+
+  for (var i = 0, l = levels.length; i < l; i++)
+    max = Math.max(max, levels[i].length);
+
+  if (str.length < max)
+    return str + new Array(max - str.length + 1).join(' ');
+
+  return str;
+};
+
+/**
+ * Logger (console).
+ *
+ * @api public
+ */
+
+var Logger = module.exports = function (opts) {
+  opts = opts || {}
+  this.colors = false !== opts.colors;
+  this.level = 3;
+  this.enabled = true;
+};
+
+/**
+ * Log method.
+ *
+ * @api public
+ */
+
+Logger.prototype.log = function (type) {
+  var index = levels.indexOf(type);
+
+  if (index > this.level || !this.enabled)
+    return this;
+
+  console.log.apply(
+      console
+    , [this.colors
+        ? '   \033[' + colors[index] + 'm' + pad(type) + ' -\033[39m'
+        : type + ':'
+      ].concat(toArray(arguments).slice(1))
+  );
+
+  return this;
+};
+
+/**
+ * Generate methods.
+ */
+
+levels.forEach(function (name) {
+  Logger.prototype[name] = function () {
+    this.log.apply(this, [name].concat(toArray(arguments)));
+  };
+});

node_modules/socket.io/lib/namespace.js

@@ -0,0 +1,355 @@
+/**
+ * Module dependencies.
+ */
+
+var Socket = require('./socket')
+  , EventEmitter = process.EventEmitter
+  , parser = require('./parser')
+  , util = require('./util');
+
+/**
+ * Exports the constructor.
+ */
+
+exports = module.exports = SocketNamespace;
+
+/**
+ * Constructor.
+ *
+ * @api public.
+ */
+
+function SocketNamespace (mgr, name) {
+  this.manager = mgr;
+  this.name = name || '';
+  this.sockets = {};
+  this.auth = false;
+  this.setFlags();
+};
+
+/**
+ * Inherits from EventEmitter.
+ */
+
+SocketNamespace.prototype.__proto__ = EventEmitter.prototype;
+
+/**
+ * Copies emit since we override it.
+ *
+ * @api private
+ */
+
+SocketNamespace.prototype.$emit = EventEmitter.prototype.emit;
+
+/**
+ * Retrieves all clients as Socket instances as an array.
+ *
+ * @api public
+ */
+
+SocketNamespace.prototype.clients = function (room) {
+  var room = this.name + (room !== undefined ?
+     '/' + room : '');
+
+  if (!this.manager.rooms[room]) {
+    return [];
+  }
+
+  return this.manager.rooms[room].map(function (id) {
+    return this.socket(id);
+  }, this);
+};
+
+/**
+ * Access logger interface.
+ *
+ * @api public
+ */
+
+SocketNamespace.prototype.__defineGetter__('log', function () {
+  return this.manager.log;
+});
+
+/**
+ * Access store.
+ *
+ * @api public
+ */
+
+SocketNamespace.prototype.__defineGetter__('store', function () {
+  return this.manager.store;
+});
+
+/**
+ * JSON message flag.
+ *
+ * @api public
+ */
+
+SocketNamespace.prototype.__defineGetter__('json', function () {
+  this.flags.json = true;
+  return this;
+});
+
+/**
+ * Volatile message flag.
+ *
+ * @api public
+ */
+
+SocketNamespace.prototype.__defineGetter__('volatile', function () {
+  this.flags.volatile = true;
+  return this;
+});
+
+/**
+ * Overrides the room to relay messages to (flag).
+ *
+ * @api public
+ */
+
+SocketNamespace.prototype.in = SocketNamespace.prototype.to = function (room) {
+  this.flags.endpoint = this.name + (room ? '/' + room : '');
+  return this;
+};
+
+/**
+ * Adds a session id we should prevent relaying messages to (flag).
+ *
+ * @api public
+ */
+
+SocketNamespace.prototype.except = function (id) {
+  this.flags.exceptions.push(id);
+  return this;
+};
+
+/**
+ * Sets the default flags.
+ *
+ * @api private
+ */
+
+SocketNamespace.prototype.setFlags = function () {
+  this.flags = {
+      endpoint: this.name
+    , exceptions: []
+  };
+  return this;
+};
+
+/**
+ * Sends out a packet.
+ *
+ * @api private
+ */
+
+SocketNamespace.prototype.packet = function (packet) {
+  packet.endpoint = this.name;
+
+  var store = this.store
+    , log = this.log
+    , volatile = this.flags.volatile
+    , exceptions = this.flags.exceptions
+    , packet = parser.encodePacket(packet);
+
+  this.manager.onDispatch(this.flags.endpoint, packet, volatile, exceptions);
+  this.store.publish('dispatch', this.flags.endpoint, packet, volatile, exceptions);
+
+  this.setFlags();
+
+  return this;
+};
+
+/**
+ * Sends to everyone.
+ *
+ * @api public
+ */
+
+SocketNamespace.prototype.send = function (data) {
+  return this.packet({
+      type: this.flags.json ? 'json' : 'message'
+    , data: data
+  });
+};
+
+/**
+ * Emits to everyone (override).
+ *
+ * @api public
+ */
+
+SocketNamespace.prototype.emit = function (name) {
+  if (name == 'newListener') {
+    return this.$emit.apply(this, arguments);
+  }
+
+  return this.packet({
+      type: 'event'
+    , name: name
+    , args: util.toArray(arguments).slice(1)
+  });
+};
+
+/**
+ * Retrieves or creates a write-only socket for a client, unless specified.
+ *
+ * @param {Boolean} whether the socket will be readable when initialized
+ * @api public
+ */
+
+SocketNamespace.prototype.socket = function (sid, readable) {
+  if (!this.sockets[sid]) {
+    this.sockets[sid] = new Socket(this.manager, sid, this, readable);
+  }
+
+  return this.sockets[sid];
+};
+
+/**
+ * Sets authorization for this namespace.
+ *
+ * @api public
+ */
+
+SocketNamespace.prototype.authorization = function (fn) {
+  this.auth = fn;
+  return this;
+};
+
+/**
+ * Called when a socket disconnects entirely.
+ *
+ * @api private
+ */
+
+SocketNamespace.prototype.handleDisconnect = function (sid, reason, raiseOnDisconnect) {
+  if (this.sockets[sid] && this.sockets[sid].readable) {
+    if (raiseOnDisconnect) this.sockets[sid].onDisconnect(reason);
+    delete this.sockets[sid];
+  }
+};
+
+/**
+ * Performs authentication.
+ *
+ * @param Object client request data
+ * @api private
+ */
+
+SocketNamespace.prototype.authorize = function (data, fn) {
+  if (this.auth) {
+    var self = this;
+
+    this.auth.call(this, data, function (err, authorized) {
+      self.log.debug('client ' +
+        (authorized ? '' : 'un') + 'authorized for ' + self.name);
+      fn(err, authorized);
+    });
+  } else {
+    this.log.debug('client authorized for ' + this.name);
+    fn(null, true);
+  }
+
+  return this;
+};
+
+/**
+ * Handles a packet.
+ *
+ * @api private
+ */
+
+SocketNamespace.prototype.handlePacket = function (sessid, packet) {
+  var socket = this.socket(sessid)
+    , dataAck = packet.ack == 'data'
+    , manager = this.manager
+    , self = this;
+
+  function ack () {
+    self.log.debug('sending data ack packet');
+    socket.packet({
+        type: 'ack'
+      , args: util.toArray(arguments)
+      , ackId: packet.id
+    });
+  };
+
+  function error (err) {
+    self.log.warn('handshake error ' + err + ' for ' + self.name);
+    socket.packet({ type: 'error', reason: err });
+  };
+
+  function connect () {
+    self.manager.onJoin(sessid, self.name);
+    self.store.publish('join', sessid, self.name);
+
+    // packet echo
+    socket.packet({ type: 'connect' });
+
+    // emit connection event
+    self.$emit('connection', socket);
+  };
+
+  switch (packet.type) {
+    case 'connect':
+      if (packet.endpoint == '') {
+        connect();
+      } else {
+        var handshakeData = manager.handshaken[sessid];
+
+        this.authorize(handshakeData, function (err, authorized, newData) {
+          if (err) return error(err);
+
+          if (authorized) {
+            manager.onHandshake(sessid, newData || handshakeData);
+            self.store.publish('handshake', sessid, newData || handshakeData);
+            connect();
+          } else {
+            error('unauthorized');
+          }
+        });
+      }
+      break;
+
+    case 'ack':
+      if (socket.acks[packet.ackId]) {
+        socket.acks[packet.ackId].apply(socket, packet.args);
+      } else {
+        this.log.info('unknown ack packet');
+      }
+      break;
+
+    case 'event':
+      // check if the emitted event is not blacklisted
+      if (-~manager.get('blacklist').indexOf(packet.name)) {
+        this.log.debug('ignoring blacklisted event `' + packet.name + '`');
+      } else {
+        var params = [packet.name].concat(packet.args);
+
+        if (dataAck) {
+          params.push(ack);
+        }
+
+        socket.$emit.apply(socket, params);
+      }
+      break;
+
+    case 'disconnect':
+      this.manager.onLeave(sessid, this.name);
+      this.store.publish('leave', sessid, this.name);
+
+      socket.$emit('disconnect', packet.reason || 'packet');
+      break;
+
+    case 'json':
+    case 'message':
+      var params = ['message', packet.data];
+
+      if (dataAck)
+        params.push(ack);
+
+      socket.$emit.apply(socket, params);
+  };
+};

node_modules/socket.io/lib/parser.js

@@ -0,0 +1,249 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+/**
+ * Packet types.
+ */
+
+var packets = exports.packets = {
+      'disconnect': 0
+    , 'connect': 1
+    , 'heartbeat': 2
+    , 'message': 3
+    , 'json': 4
+    , 'event': 5
+    , 'ack': 6
+    , 'error': 7
+    , 'noop': 8
+  }
+  , packetslist = Object.keys(packets);
+
+/**
+ * Errors reasons.
+ */
+
+var reasons = exports.reasons = {
+      'transport not supported': 0
+    , 'client not handshaken': 1
+    , 'unauthorized': 2
+  }
+  , reasonslist = Object.keys(reasons);
+
+/**
+ * Errors advice.
+ */
+
+var advice = exports.advice = {
+      'reconnect': 0
+  }
+  , advicelist = Object.keys(advice);
+
+/**
+ * Encodes a packet.
+ *
+ * @api private
+ */
+
+exports.encodePacket = function (packet) {
+  var type = packets[packet.type]
+    , id = packet.id || ''
+    , endpoint = packet.endpoint || ''
+    , ack = packet.ack
+    , data = null;
+
+  switch (packet.type) {
+    case 'message':
+      if (packet.data !== '')
+        data = packet.data;
+      break;
+
+    case 'event':
+      var ev = { name: packet.name };
+
+      if (packet.args && packet.args.length) {
+        ev.args = packet.args;
+      }
+
+      data = JSON.stringify(ev);
+      break;
+
+    case 'json':
+      data = JSON.stringify(packet.data);
+      break;
+
+    case 'ack':
+      data = packet.ackId
+        + (packet.args && packet.args.length
+            ? '+' + JSON.stringify(packet.args) : '');
+      break;
+
+    case 'connect':
+      if (packet.qs)
+        data = packet.qs;
+      break;
+
+     case 'error':
+      var reason = packet.reason ? reasons[packet.reason] : ''
+        , adv = packet.advice ? advice[packet.advice] : ''
+
+      if (reason !== '' || adv !== '')
+        data = reason + (adv !== '' ? ('+' + adv) : '')
+
+      break;
+  }
+
+  // construct packet with required fragments
+  var encoded = type + ':' + id + (ack == 'data' ? '+' : '') + ':' + endpoint;
+
+  // data fragment is optional
+  if (data !== null && data !== undefined)
+    encoded += ':' + data;
+
+  return encoded;
+};
+
+/**
+ * Encodes multiple messages (payload).
+ *
+ * @param {Array} messages
+ * @api private
+ */
+
+exports.encodePayload = function (packets) {
+  var decoded = '';
+
+  if (packets.length == 1)
+    return packets[0];
+
+  for (var i = 0, l = packets.length; i < l; i++) {
+    var packet = packets[i];
+    decoded += '\ufffd' + packet.length + '\ufffd' + packets[i]
+  }
+
+  return decoded;
+};
+
+/**
+ * Decodes a packet
+ *
+ * @api private
+ */
+
+var regexp = /([^:]+):([0-9]+)?(\+)?:([^:]+)?:?([\s\S]*)?/;
+
+/**
+ * Wrap the JSON.parse in a seperate function the crankshaft optimizer will
+ * only punish this function for the usage for try catch
+ *
+ * @api private
+ */
+
+function parse (data) {
+  try { return JSON.parse(data) }
+  catch (e) { return false }
+}
+
+exports.decodePacket = function (data) {
+  var pieces = data.match(regexp);
+
+  if (!pieces) return {};
+
+  var id = pieces[2] || ''
+    , data = pieces[5] || ''
+    , packet = {
+          type: packetslist[pieces[1]]
+        , endpoint: pieces[4] || ''
+      };
+
+  // whether we need to acknowledge the packet
+  if (id) {
+    packet.id = id;
+    if (pieces[3])
+      packet.ack = 'data';
+    else
+      packet.ack = true;
+  }
+
+  // handle different packet types
+  switch (packet.type) {
+    case 'message':
+      packet.data = data || '';
+      break;
+
+    case 'event':
+      pieces = parse(data);
+      if (pieces) {
+        packet.name = pieces.name;
+        packet.args = pieces.args;
+      }
+
+      packet.args = packet.args || [];
+      break;
+
+    case 'json':
+      packet.data = parse(data);
+      break;
+
+    case 'connect':
+      packet.qs = data || '';
+      break;
+
+    case 'ack':
+      pieces = data.match(/^([0-9]+)(\+)?(.*)/);
+      if (pieces) {
+        packet.ackId = pieces[1];
+        packet.args = [];
+
+        if (pieces[3]) {
+          packet.args = parse(pieces[3]) || [];
+        }
+      }
+      break;
+
+    case 'error':
+      pieces = data.split('+');
+      packet.reason = reasonslist[pieces[0]] || '';
+      packet.advice = advicelist[pieces[1]] || '';
+  }
+
+  return packet;
+};
+
+/**
+ * Decodes data payload. Detects multiple messages
+ *
+ * @return {Array} messages
+ * @api public
+ */
+
+exports.decodePayload = function (data) {
+  if (undefined == data || null == data) {
+    return [];
+  }
+
+  if (data[0] == '\ufffd') {
+    var ret = [];
+
+    for (var i = 1, length = ''; i < data.length; i++) {
+      if (data[i] == '\ufffd') {
+        ret.push(exports.decodePacket(data.substr(i + 1, length)));
+        i += Number(length) + 1;
+        length = '';
+      } else {
+        length += data[i];
+      }
+    }
+
+    return ret;
+  } else {
+    return [exports.decodePacket(data)];
+  }
+};

node_modules/socket.io/lib/socket.io.js

@@ -0,0 +1,143 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var client = require('socket.io-client');
+
+/**
+ * Version.
+ */
+
+exports.version = '0.9.16';
+
+/**
+ * Supported protocol version.
+ */
+
+exports.protocol = 1;
+
+/**
+ * Client that we serve.
+ */
+
+exports.clientVersion = client.version;
+
+/**
+ * Attaches a manager
+ *
+ * @param {HTTPServer/Number} a HTTP/S server or a port number to listen on.
+ * @param {Object} opts to be passed to Manager and/or http server
+ * @param {Function} callback if a port is supplied
+ * @api public
+ */
+
+exports.listen = function (server, options, fn) {
+  if ('function' == typeof server) {
+    console.warn('Socket.IO\'s `listen()` method expects an `http.Server` instance\n'
+    + 'as its first parameter. Are you migrating from Express 2.x to 3.x?\n'
+    + 'If so, check out the "Socket.IO compatibility" section at:\n'
+    + 'https://github.com/visionmedia/express/wiki/Migrating-from-2.x-to-3.x');
+  }
+
+  if ('function' == typeof options) {
+    fn = options;
+    options = {};
+  }
+
+  if ('undefined' == typeof server) {
+    // create a server that listens on port 80
+    server = 80;
+  }
+
+  if ('number' == typeof server) {
+    // if a port number is passed
+    var port = server;
+
+    if (options && options.key)
+      server = require('https').createServer(options);
+    else
+      server = require('http').createServer();
+
+    // default response
+    server.on('request', function (req, res) {
+      res.writeHead(200);
+      res.end('Welcome to socket.io.');
+    });
+
+    server.listen(port, fn);
+  }
+
+  // otherwise assume a http/s server
+  return new exports.Manager(server, options);
+};
+
+/**
+ * Manager constructor.
+ *
+ * @api public
+ */
+
+exports.Manager = require('./manager');
+
+/**
+ * Transport constructor.
+ *
+ * @api public
+ */
+
+exports.Transport = require('./transport');
+
+/**
+ * Socket constructor.
+ *
+ * @api public
+ */
+
+exports.Socket = require('./socket');
+
+/**
+ * Static constructor.
+ *
+ * @api public
+ */
+
+exports.Static = require('./static');
+
+/**
+ * Store constructor.
+ *
+ * @api public
+ */
+
+exports.Store = require('./store');
+
+/**
+ * Memory Store constructor.
+ *
+ * @api public
+ */
+
+exports.MemoryStore = require('./stores/memory');
+
+/**
+ * Redis Store constructor.
+ *
+ * @api public
+ */
+
+exports.RedisStore = require('./stores/redis');
+
+/**
+ * Parser.
+ *
+ * @api public
+ */
+
+exports.parser = require('./parser');

node_modules/socket.io/lib/socket.js

@@ -0,0 +1,369 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var parser = require('./parser')
+  , util = require('./util')
+  , EventEmitter = process.EventEmitter
+
+/**
+ * Export the constructor.
+ */
+
+exports = module.exports = Socket;
+
+/**
+ * Default error event listener to prevent uncaught exceptions.
+ */
+
+var defaultError = function () {};
+
+/**
+ * Socket constructor.
+ *
+ * @param {Manager} manager instance
+ * @param {String} session id
+ * @param {Namespace} namespace the socket belongs to
+ * @param {Boolean} whether the 
+ * @api public
+ */
+
+function Socket (manager, id, nsp, readable) {
+  this.id = id;
+  this.namespace = nsp;
+  this.manager = manager;
+  this.disconnected = false;
+  this.ackPackets = 0;
+  this.acks = {};
+  this.setFlags();
+  this.readable = readable;
+  this.store = this.manager.store.client(this.id);
+  this.on('error', defaultError);
+};
+
+/**
+ * Inherits from EventEmitter.
+ */
+
+Socket.prototype.__proto__ = EventEmitter.prototype;
+
+/**
+ * Accessor shortcut for the handshake data
+ *
+ * @api private
+ */
+
+Socket.prototype.__defineGetter__('handshake', function () {
+  return this.manager.handshaken[this.id];
+});
+
+/**
+ * Accessor shortcut for the transport type
+ *
+ * @api private
+ */
+
+Socket.prototype.__defineGetter__('transport', function () {
+  return this.manager.transports[this.id].name;
+});
+
+/**
+ * Accessor shortcut for the logger.
+ *
+ * @api private
+ */
+
+Socket.prototype.__defineGetter__('log', function () {
+  return this.manager.log;
+});
+
+/**
+ * JSON message flag.
+ *
+ * @api public
+ */
+
+Socket.prototype.__defineGetter__('json', function () {
+  this.flags.json = true;
+  return this;
+});
+
+/**
+ * Volatile message flag.
+ *
+ * @api public
+ */
+
+Socket.prototype.__defineGetter__('volatile', function () {
+  this.flags.volatile = true;
+  return this;
+});
+
+/**
+ * Broadcast message flag.
+ *
+ * @api public
+ */
+
+Socket.prototype.__defineGetter__('broadcast', function () {
+  this.flags.broadcast = true;
+  return this;
+});
+
+/**
+ * Overrides the room to broadcast messages to (flag)
+ *
+ * @api public
+ */
+
+Socket.prototype.to = Socket.prototype.in = function (room) {
+  this.flags.room = room;
+  return this;
+};
+
+/**
+ * Resets flags
+ *
+ * @api private
+ */
+
+Socket.prototype.setFlags = function () {
+  this.flags = {
+      endpoint: this.namespace.name
+    , room: ''
+  };
+  return this;
+};
+
+/**
+ * Triggered on disconnect
+ *
+ * @api private
+ */
+
+Socket.prototype.onDisconnect = function (reason) {
+  if (!this.disconnected) {
+    this.$emit('disconnect', reason);
+    this.disconnected = true;
+  }
+};
+
+/**
+ * Joins a user to a room.
+ *
+ * @api public
+ */
+
+Socket.prototype.join = function (name, fn) {
+  var nsp = this.namespace.name
+    , name = (nsp + '/') + name;
+
+  this.manager.onJoin(this.id, name);
+  this.manager.store.publish('join', this.id, name);
+
+  if (fn) {
+    this.log.warn('Client#join callback is deprecated');
+    fn();
+  }
+
+  return this;
+};
+
+/**
+ * Un-joins a user from a room.
+ *
+ * @api public
+ */
+
+Socket.prototype.leave = function (name, fn) {
+  var nsp = this.namespace.name
+    , name = (nsp + '/') + name;
+
+  this.manager.onLeave(this.id, name);
+  this.manager.store.publish('leave', this.id, name);
+
+  if (fn) {
+    this.log.warn('Client#leave callback is deprecated');
+    fn();
+  }
+
+  return this;
+};
+
+/**
+ * Transmits a packet.
+ *
+ * @api private
+ */
+
+Socket.prototype.packet = function (packet) {
+  if (this.flags.broadcast) {
+    this.log.debug('broadcasting packet');
+    this.namespace.in(this.flags.room).except(this.id).packet(packet);
+  } else {
+    packet.endpoint = this.flags.endpoint;
+    packet = parser.encodePacket(packet);
+
+    this.dispatch(packet, this.flags.volatile);
+  }
+
+  this.setFlags();
+
+  return this;
+};
+
+/**
+ * Dispatches a packet
+ *
+ * @api private
+ */
+
+Socket.prototype.dispatch = function (packet, volatile) {
+  if (this.manager.transports[this.id] && this.manager.transports[this.id].open) {
+    this.manager.transports[this.id].onDispatch(packet, volatile);
+  } else {
+    if (!volatile) {
+      this.manager.onClientDispatch(this.id, packet, volatile);
+    }
+
+    this.manager.store.publish('dispatch:' + this.id, packet, volatile);
+  }
+};
+
+/**
+ * Stores data for the client.
+ *
+ * @api public
+ */
+
+Socket.prototype.set = function (key, value, fn) {
+  this.store.set(key, value, fn);
+  return this;
+};
+
+/**
+ * Retrieves data for the client
+ *
+ * @api public
+ */
+
+Socket.prototype.get = function (key, fn) {
+  this.store.get(key, fn);
+  return this;
+};
+
+/**
+ * Checks data for the client
+ *
+ * @api public
+ */
+
+Socket.prototype.has = function (key, fn) {
+  this.store.has(key, fn);
+  return this;
+};
+
+/**
+ * Deletes data for the client
+ *
+ * @api public
+ */
+
+Socket.prototype.del = function (key, fn) {
+  this.store.del(key, fn);
+  return this;
+};
+
+/**
+ * Kicks client
+ *
+ * @api public
+ */
+
+Socket.prototype.disconnect = function () {
+  if (!this.disconnected) {
+    this.log.info('booting client');
+
+    if ('' === this.namespace.name) {
+      if (this.manager.transports[this.id] && this.manager.transports[this.id].open) {
+        this.manager.transports[this.id].onForcedDisconnect();
+      } else {
+        this.manager.onClientDisconnect(this.id);
+        this.manager.store.publish('disconnect:' + this.id);
+      }
+    } else {
+      this.packet({type: 'disconnect'});
+      this.manager.onLeave(this.id, this.namespace.name);
+      this.$emit('disconnect', 'booted');
+    }
+
+  }
+
+  return this;
+};
+
+/**
+ * Send a message.
+ *
+ * @api public
+ */
+
+Socket.prototype.send = function (data, fn) {
+  var packet = {
+      type: this.flags.json ? 'json' : 'message'
+    , data: data
+  };
+
+  if (fn) {
+    packet.id = ++this.ackPackets;
+    packet.ack = true;
+    this.acks[packet.id] = fn;
+  }
+
+  return this.packet(packet);
+};
+
+/**
+ * Original emit function.
+ *
+ * @api private
+ */
+
+Socket.prototype.$emit = EventEmitter.prototype.emit;
+
+/**
+ * Emit override for custom events.
+ *
+ * @api public
+ */
+
+Socket.prototype.emit = function (ev) {
+  if (ev == 'newListener') {
+    return this.$emit.apply(this, arguments);
+  }
+
+  var args = util.toArray(arguments).slice(1)
+    , lastArg = args[args.length - 1]
+    , packet = {
+          type: 'event'
+        , name: ev
+      };
+
+  if ('function' == typeof lastArg) {
+    packet.id = ++this.ackPackets;
+    packet.ack = lastArg.length ? 'data' : true;
+    this.acks[packet.id] = lastArg;
+    args = args.slice(0, args.length - 1);
+  }
+
+  packet.args = args;
+
+  return this.packet(packet);
+};

node_modules/socket.io/lib/static.js

@@ -0,0 +1,395 @@
+
+/*!
+* socket.io-node
+* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+* MIT Licensed
+*/
+
+/**
+ * Module dependencies.
+ */
+
+var client = require('socket.io-client')
+  , cp = require('child_process')
+  , fs = require('fs')
+  , util = require('./util');
+
+/**
+ * File type details.
+ *
+ * @api private
+ */
+
+var mime = {
+    js: {
+        type: 'application/javascript'
+      , encoding: 'utf8'
+      , gzip: true
+    }
+  , swf: {
+        type: 'application/x-shockwave-flash'
+      , encoding: 'binary'
+      , gzip: false
+    }
+};
+
+/**
+ * Regexp for matching custom transport patterns. Users can configure their own
+ * socket.io bundle based on the url structure. Different transport names are
+ * concatinated using the `+` char. /socket.io/socket.io+websocket.js should
+ * create a bundle that only contains support for the websocket.
+ *
+ * @api private
+ */
+
+var bundle = /\+((?:\+)?[\w\-]+)*(?:\.v\d+\.\d+\.\d+)?(?:\.js)$/
+  , versioning = /\.v\d+\.\d+\.\d+(?:\.js)$/;
+
+/**
+ * Export the constructor
+ */
+
+exports = module.exports = Static;
+
+/**
+ * Static constructor
+ *
+ * @api public
+ */
+
+function Static (manager) {
+  this.manager = manager;
+  this.cache = {};
+  this.paths = {};
+
+  this.init();
+}
+
+/**
+ * Initialize the Static by adding default file paths.
+ *
+ * @api public
+ */
+
+Static.prototype.init = function () {
+  /**
+   * Generates a unique id based the supplied transports array
+   *
+   * @param {Array} transports The array with transport types
+   * @api private
+   */
+  function id (transports) {
+    var id = transports.join('').split('').map(function (char) {
+      return ('' + char.charCodeAt(0)).split('').pop();
+    }).reduce(function (char, id) {
+      return char +id;
+    });
+
+    return client.version + ':' + id;
+  }
+
+  /**
+   * Generates a socket.io-client file based on the supplied transports.
+   *
+   * @param {Array} transports The array with transport types
+   * @param {Function} callback Callback for the static.write
+   * @api private
+   */
+
+  function build (transports, callback) {
+    client.builder(transports, {
+          minify: self.manager.enabled('browser client minification')
+      }, function (err, content) {
+        callback(err, content ? new Buffer(content) : null, id(transports));
+      }
+    );
+  }
+
+  var self = this;
+
+  // add our default static files
+  this.add('/static/flashsocket/WebSocketMain.swf', {
+      file: client.dist + '/WebSocketMain.swf'
+  });
+
+  this.add('/static/flashsocket/WebSocketMainInsecure.swf', {
+      file: client.dist + '/WebSocketMainInsecure.swf'
+  });
+
+  // generates dedicated build based on the available transports
+  this.add('/socket.io.js', function (path, callback) {
+    build(self.manager.get('transports'), callback);
+  });
+
+  this.add('/socket.io.v', { mime: mime.js }, function (path, callback) {
+    build(self.manager.get('transports'), callback);
+  });
+
+  // allow custom builds based on url paths
+  this.add('/socket.io+', { mime: mime.js }, function (path, callback) {
+    var available = self.manager.get('transports')
+      , matches = path.match(bundle)
+      , transports = [];
+
+    if (!matches) return callback('No valid transports');
+
+    // make sure they valid transports
+    matches[0].split('.')[0].split('+').slice(1).forEach(function (transport) {
+      if (!!~available.indexOf(transport)) {
+        transports.push(transport);
+      }
+    });
+
+    if (!transports.length) return callback('No valid transports');
+    build(transports, callback);
+  });
+
+  // clear cache when transports change
+  this.manager.on('set:transports', function (key, value) {
+    delete self.cache['/socket.io.js'];
+    Object.keys(self.cache).forEach(function (key) {
+      if (bundle.test(key)) {
+        delete self.cache[key];
+      }
+    });
+  });
+};
+
+/**
+ * Gzip compress buffers.
+ *
+ * @param {Buffer} data The buffer that needs gzip compression
+ * @param {Function} callback
+ * @api public
+ */
+
+Static.prototype.gzip = function (data, callback) {
+  var gzip = cp.spawn('gzip', ['-9', '-c', '-f', '-n'])
+    , encoding = Buffer.isBuffer(data) ? 'binary' : 'utf8'
+    , buffer = []
+    , err;
+
+  gzip.stdout.on('data', function (data) {
+    buffer.push(data);
+  });
+
+  gzip.stderr.on('data', function (data) {
+    err = data +'';
+    buffer.length = 0;
+  });
+
+  gzip.on('close', function () {
+    if (err) return callback(err);
+
+    var size = 0
+      , index = 0
+      , i = buffer.length
+      , content;
+
+    while (i--) {
+      size += buffer[i].length;
+    }
+
+    content = new Buffer(size);
+    i = buffer.length;
+
+    buffer.forEach(function (buffer) {
+      var length = buffer.length;
+
+      buffer.copy(content, index, 0, length);
+      index += length;
+    });
+
+    buffer.length = 0;
+    callback(null, content);
+  });
+
+  gzip.stdin.end(data, encoding);
+};
+
+/**
+ * Is the path a static file?
+ *
+ * @param {String} path The path that needs to be checked
+ * @api public
+ */
+
+Static.prototype.has = function (path) {
+  // fast case
+  if (this.paths[path]) return this.paths[path];
+
+  var keys = Object.keys(this.paths)
+    , i = keys.length;
+ 
+  while (i--) {
+    if (-~path.indexOf(keys[i])) return this.paths[keys[i]];
+  }
+
+  return false;
+};
+
+/**
+ * Add new paths new paths that can be served using the static provider.
+ *
+ * @param {String} path The path to respond to
+ * @param {Options} options Options for writing out the response
+ * @param {Function} [callback] Optional callback if no options.file is
+ * supplied this would be called instead.
+ * @api public
+ */
+
+Static.prototype.add = function (path, options, callback) {
+  var extension = /(?:\.(\w{1,4}))$/.exec(path);
+
+  if (!callback && typeof options == 'function') {
+    callback = options;
+    options = {};
+  }
+
+  options.mime = options.mime || (extension ? mime[extension[1]] : false);
+
+  if (callback) options.callback = callback;
+  if (!(options.file || options.callback) || !options.mime) return false;
+
+  this.paths[path] = options;
+
+  return true;
+};
+
+/**
+ * Writes a static response.
+ *
+ * @param {String} path The path for the static content
+ * @param {HTTPRequest} req The request object
+ * @param {HTTPResponse} res The response object
+ * @api public
+ */
+
+Static.prototype.write = function (path, req, res) {
+  /**
+   * Write a response without throwing errors because can throw error if the
+   * response is no longer writable etc.
+   *
+   * @api private
+   */
+
+  function write (status, headers, content, encoding) {
+    try {
+      res.writeHead(status, headers || undefined);
+
+      // only write content if it's not a HEAD request and we actually have
+      // some content to write (304's doesn't have content).
+      res.end(
+          req.method !== 'HEAD' && content ? content : ''
+        , encoding || undefined
+      );
+    } catch (e) {}
+  }
+
+  /**
+   * Answers requests depending on the request properties and the reply object.
+   *
+   * @param {Object} reply The details and content to reply the response with
+   * @api private
+   */
+
+  function answer (reply) {
+    var cached = req.headers['if-none-match'] === reply.etag;
+    if (cached && self.manager.enabled('browser client etag')) {
+      return write(304);
+    }
+
+    var accept = req.headers['accept-encoding'] || ''
+      , gzip = !!~accept.toLowerCase().indexOf('gzip')
+      , mime = reply.mime
+      , versioned = reply.versioned
+      , headers = {
+          'Content-Type': mime.type
+      };
+
+    // check if we can add a etag
+    if (self.manager.enabled('browser client etag') && reply.etag && !versioned) {
+      headers['Etag'] = reply.etag;
+    }
+
+    // see if we need to set Expire headers because the path is versioned
+    if (versioned) {
+      var expires = self.manager.get('browser client expires');
+      headers['Cache-Control'] = 'private, x-gzip-ok="", max-age=' + expires;
+      headers['Date'] = new Date().toUTCString();
+      headers['Expires'] = new Date(Date.now() + (expires * 1000)).toUTCString();
+    }
+
+    if (gzip && reply.gzip) {
+      headers['Content-Length'] = reply.gzip.length;
+      headers['Content-Encoding'] = 'gzip';
+      headers['Vary'] = 'Accept-Encoding';
+      write(200, headers, reply.gzip.content, mime.encoding);
+    } else {
+      headers['Content-Length'] = reply.length;
+      write(200, headers, reply.content, mime.encoding);
+    }
+
+    self.manager.log.debug('served static content ' + path);
+  }
+
+  var self = this
+    , details;
+
+  // most common case first
+  if (this.manager.enabled('browser client cache') && this.cache[path]) {
+    return answer(this.cache[path]);
+  } else if (this.manager.get('browser client handler')) {
+    return this.manager.get('browser client handler').call(this, req, res);
+  } else if ((details = this.has(path))) {
+    /**
+     * A small helper function that will let us deal with fs and dynamic files
+     *
+     * @param {Object} err Optional error
+     * @param {Buffer} content The data
+     * @api private
+     */
+
+    function ready (err, content, etag) {
+      if (err) {
+        self.manager.log.warn('Unable to serve file. ' + (err.message || err));
+        return write(500, null, 'Error serving static ' + path);
+      }
+
+      // store the result in the cache
+      var reply = self.cache[path] = {
+            content: content
+          , length: content.length
+          , mime: details.mime
+          , etag: etag || client.version
+          , versioned: versioning.test(path)
+        };
+
+      // check if gzip is enabled
+      if (details.mime.gzip && self.manager.enabled('browser client gzip')) {
+        self.gzip(content, function (err, content) {
+          if (!err) {
+            reply.gzip = {
+                content: content
+              , length: content.length
+            }
+          }
+
+          answer(reply);
+        });
+      } else {
+        answer(reply);
+      }
+    }
+
+    if (details.file) {
+      fs.readFile(details.file, ready);
+    } else if(details.callback) {
+      details.callback.call(this, path, ready);
+    } else {
+      write(404, null, 'File handle not found');
+    }
+  } else {
+    write(404, null, 'File not found');
+  }
+};

node_modules/socket.io/lib/store.js

@@ -0,0 +1,98 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Expose the constructor.
+ */
+
+exports = module.exports = Store;
+
+/**
+ * Module dependencies.
+ */
+
+var EventEmitter = process.EventEmitter;
+
+/**
+ * Store interface
+ *
+ * @api public
+ */
+
+function Store (options) {
+  this.options = options;
+  this.clients = {};
+};
+
+/**
+ * Inherit from EventEmitter.
+ */
+
+Store.prototype.__proto__ = EventEmitter.prototype;
+
+/**
+ * Initializes a client store
+ *
+ * @param {String} id
+ * @api public
+ */
+
+Store.prototype.client = function (id) {
+  if (!this.clients[id]) {
+    this.clients[id] = new (this.constructor.Client)(this, id);
+  }
+
+  return this.clients[id];
+};
+
+/**
+ * Destroys a client
+ *
+ * @api {String} sid
+ * @param {Number} number of seconds to expire client data
+ * @api private
+ */
+
+Store.prototype.destroyClient = function (id, expiration) {
+  if (this.clients[id]) {
+    this.clients[id].destroy(expiration);
+    delete this.clients[id];
+  }
+
+  return this;
+};
+
+/**
+ * Destroys the store
+ *
+ * @param {Number} number of seconds to expire client data
+ * @api private
+ */
+
+Store.prototype.destroy = function (clientExpiration) {
+  var keys = Object.keys(this.clients)
+    , count = keys.length;
+
+  for (var i = 0, l = count; i < l; i++) {
+    this.destroyClient(keys[i], clientExpiration);
+  }
+
+  this.clients = {};
+
+  return this;
+};
+
+/**
+ * Client.
+ *
+ * @api public
+ */
+
+Store.Client = function (store, id) {
+  this.store = store;
+  this.id = id;
+};

node_modules/socket.io/lib/stores/memory.js

@@ -0,0 +1,143 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var crypto = require('crypto')
+  , Store = require('../store');
+
+/**
+ * Exports the constructor.
+ */
+
+exports = module.exports = Memory;
+Memory.Client = Client;
+
+/**
+ * Memory store
+ *
+ * @api public
+ */
+
+function Memory (opts) {
+  Store.call(this, opts);
+};
+
+/**
+ * Inherits from Store.
+ */
+
+Memory.prototype.__proto__ = Store.prototype;
+
+/**
+ * Publishes a message.
+ *
+ * @api private
+ */
+
+Memory.prototype.publish = function () { };
+
+/**
+ * Subscribes to a channel
+ *
+ * @api private
+ */
+
+Memory.prototype.subscribe = function () { };
+
+/**
+ * Unsubscribes
+ *
+ * @api private
+ */
+
+Memory.prototype.unsubscribe = function () { };
+
+/**
+ * Client constructor
+ *
+ * @api private
+ */
+
+function Client () {
+  Store.Client.apply(this, arguments);
+  this.data = {};
+};
+
+/**
+ * Inherits from Store.Client
+ */
+
+Client.prototype.__proto__ = Store.Client;
+
+/**
+ * Gets a key
+ *
+ * @api public
+ */
+
+Client.prototype.get = function (key, fn) {
+  fn(null, this.data[key] === undefined ? null : this.data[key]);
+  return this;
+};
+
+/**
+ * Sets a key
+ *
+ * @api public
+ */
+
+Client.prototype.set = function (key, value, fn) {
+  this.data[key] = value;
+  fn && fn(null);
+  return this;
+};
+
+/**
+ * Has a key
+ *
+ * @api public
+ */
+
+Client.prototype.has = function (key, fn) {
+  fn(null, key in this.data);
+};
+
+/**
+ * Deletes a key
+ *
+ * @api public
+ */
+
+Client.prototype.del = function (key, fn) {
+  delete this.data[key];
+  fn && fn(null);
+  return this;
+};
+
+/**
+ * Destroys the client.
+ *
+ * @param {Number} number of seconds to expire data
+ * @api private
+ */
+
+Client.prototype.destroy = function (expiration) {
+  if ('number' != typeof expiration) {
+    this.data = {};
+  } else {
+    var self = this;
+
+    setTimeout(function () {
+      self.data = {};
+    }, expiration * 1000);
+  }
+
+  return this;
+};

node_modules/socket.io/lib/stores/redis.js

@@ -0,0 +1,269 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var crypto = require('crypto')
+  , Store = require('../store')
+  , assert = require('assert');
+
+/**
+ * Exports the constructor.
+ */
+
+exports = module.exports = Redis;
+Redis.Client = Client;
+
+/**
+ * Redis store.
+ * Options:
+ *     - nodeId (fn) gets an id that uniquely identifies this node
+ *     - redis (fn) redis constructor, defaults to redis
+ *     - redisPub (object) options to pass to the pub redis client
+ *     - redisSub (object) options to pass to the sub redis client
+ *     - redisClient (object) options to pass to the general redis client
+ *     - pack (fn) custom packing, defaults to JSON or msgpack if installed
+ *     - unpack (fn) custom packing, defaults to JSON or msgpack if installed
+ *
+ * @api public
+ */
+
+function Redis (opts) {
+  opts = opts || {};
+
+  // node id to uniquely identify this node
+  var nodeId = opts.nodeId || function () {
+    // by default, we generate a random id 
+    return Math.abs(Math.random() * Math.random() * Date.now() | 0);
+  };
+
+  this.nodeId = nodeId();
+
+  // packing / unpacking mechanism
+  if (opts.pack) {
+    this.pack = opts.pack;
+    this.unpack = opts.unpack;
+  } else {
+    try {
+      var msgpack = require('msgpack');
+      this.pack = msgpack.pack;
+      this.unpack = msgpack.unpack;
+    } catch (e) {
+      this.pack = JSON.stringify;
+      this.unpack = JSON.parse;
+    }
+  }
+
+  var redis = opts.redis || require('redis')
+    , RedisClient = redis.RedisClient;
+
+  // initialize a pubsub client and a regular client
+  if (opts.redisPub instanceof RedisClient) {
+    this.pub = opts.redisPub;
+  } else {
+    opts.redisPub || (opts.redisPub = {});
+    this.pub = redis.createClient(opts.redisPub.port, opts.redisPub.host, opts.redisPub);
+  }
+  if (opts.redisSub instanceof RedisClient) {
+    this.sub = opts.redisSub;
+  } else {
+    opts.redisSub || (opts.redisSub = {});
+    this.sub = redis.createClient(opts.redisSub.port, opts.redisSub.host, opts.redisSub);
+  }
+  if (opts.redisClient instanceof RedisClient) {
+    this.cmd = opts.redisClient;
+  } else {
+    opts.redisClient || (opts.redisClient = {});
+    this.cmd = redis.createClient(opts.redisClient.port, opts.redisClient.host, opts.redisClient);
+  }
+
+  Store.call(this, opts);
+
+  this.sub.setMaxListeners(0);
+  this.setMaxListeners(0);
+};
+
+/**
+ * Inherits from Store.
+ */
+
+Redis.prototype.__proto__ = Store.prototype;
+
+/**
+ * Publishes a message.
+ *
+ * @api private
+ */
+
+Redis.prototype.publish = function (name) {
+  var args = Array.prototype.slice.call(arguments, 1);
+  this.pub.publish(name, this.pack({ nodeId: this.nodeId, args: args }));
+  this.emit.apply(this, ['publish', name].concat(args));
+};
+
+/**
+ * Subscribes to a channel
+ *
+ * @api private
+ */
+
+Redis.prototype.subscribe = function (name, consumer, fn) {
+  this.sub.subscribe(name);
+
+  if (consumer || fn) {
+    var self = this;
+
+    self.sub.on('subscribe', function subscribe (ch) {
+      if (name == ch) {
+        function message (ch, msg) {
+          if (name == ch) {
+            msg = self.unpack(msg);
+
+            // we check that the message consumed wasnt emitted by this node
+            if (self.nodeId != msg.nodeId) {
+              consumer.apply(null, msg.args);
+            }
+          }
+        };
+
+        self.sub.on('message', message);
+
+        self.on('unsubscribe', function unsubscribe (ch) {
+          if (name == ch) {
+            self.sub.removeListener('message', message);
+            self.removeListener('unsubscribe', unsubscribe);
+          }
+        });
+
+        self.sub.removeListener('subscribe', subscribe);
+
+        fn && fn();
+      }
+    });
+  }
+
+  this.emit('subscribe', name, consumer, fn);
+};
+
+/**
+ * Unsubscribes
+ *
+ * @api private
+ */
+
+Redis.prototype.unsubscribe = function (name, fn) {
+  this.sub.unsubscribe(name);
+
+  if (fn) {
+    var client = this.sub;
+
+    client.on('unsubscribe', function unsubscribe (ch) {
+      if (name == ch) {
+        fn();
+        client.removeListener('unsubscribe', unsubscribe);
+      }
+    });
+  }
+
+  this.emit('unsubscribe', name, fn);
+};
+
+/**
+ * Destroys the store
+ *
+ * @api public
+ */
+
+Redis.prototype.destroy = function () {
+  Store.prototype.destroy.call(this);
+
+  this.pub.end();
+  this.sub.end();
+  this.cmd.end();
+};
+
+/**
+ * Client constructor
+ *
+ * @api private
+ */
+
+function Client (store, id) {
+  Store.Client.call(this, store, id);
+};
+
+/**
+ * Inherits from Store.Client
+ */
+
+Client.prototype.__proto__ = Store.Client;
+
+/**
+ * Redis hash get
+ *
+ * @api private
+ */
+
+Client.prototype.get = function (key, fn) {
+  this.store.cmd.hget(this.id, key, fn);
+  return this;
+};
+
+/**
+ * Redis hash set
+ *
+ * @api private
+ */
+
+Client.prototype.set = function (key, value, fn) {
+  this.store.cmd.hset(this.id, key, value, fn);
+  return this;
+};
+
+/**
+ * Redis hash del
+ *
+ * @api private
+ */
+
+Client.prototype.del = function (key, fn) {
+  this.store.cmd.hdel(this.id, key, fn);
+  return this;
+};
+
+/**
+ * Redis hash has
+ *
+ * @api private
+ */
+
+Client.prototype.has = function (key, fn) {
+  this.store.cmd.hexists(this.id, key, function (err, has) {
+    if (err) return fn(err);
+    fn(null, !!has);
+  });
+  return this;
+};
+
+/**
+ * Destroys client
+ *
+ * @param {Number} number of seconds to expire data
+ * @api private
+ */
+
+Client.prototype.destroy = function (expiration) {
+  if ('number' != typeof expiration) {
+    this.store.cmd.del(this.id);
+  } else {
+    this.store.cmd.expire(this.id, expiration);
+  }
+
+  return this;
+};

node_modules/socket.io/lib/transport.js

@@ -0,0 +1,534 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var parser = require('./parser');
+
+/**
+ * Expose the constructor.
+ */
+
+exports = module.exports = Transport;
+
+/**
+ * Transport constructor.
+ *
+ * @api public
+ */
+
+function Transport (mng, data, req) {
+  this.manager = mng;
+  this.id = data.id;
+  this.disconnected = false;
+  this.drained = true;
+  this.handleRequest(req);
+};
+
+/**
+ * Access the logger.
+ *
+ * @api public
+ */
+
+Transport.prototype.__defineGetter__('log', function () {
+  return this.manager.log;
+});
+
+/**
+ * Access the store.
+ *
+ * @api public
+ */
+
+Transport.prototype.__defineGetter__('store', function () {
+  return this.manager.store;
+});
+
+/**
+ * Handles a request when it's set.
+ *
+ * @api private
+ */
+
+Transport.prototype.handleRequest = function (req) {
+  this.log.debug('setting request', req.method, req.url);
+  this.req = req;
+
+  if (req.method == 'GET') {
+    this.socket = req.socket;
+    this.open = true;
+    this.drained = true;
+    this.setHeartbeatInterval();
+
+    this.setHandlers();
+    this.onSocketConnect();
+  }
+};
+
+/**
+ * Called when a connection is first set.
+ *
+ * @api private
+ */
+
+Transport.prototype.onSocketConnect = function () { };
+
+/**
+ * Sets transport handlers
+ *
+ * @api private
+ */
+
+Transport.prototype.setHandlers = function () {
+  var self = this;
+
+  // we need to do this in a pub/sub way since the client can POST the message
+  // over a different socket (ie: different Transport instance)
+  this.store.subscribe('heartbeat-clear:' + this.id, function () {
+    self.onHeartbeatClear();
+  });
+
+  this.store.subscribe('disconnect-force:' + this.id, function () {
+    self.onForcedDisconnect();
+  });
+
+  this.store.subscribe('dispatch:' + this.id, function (packet, volatile) {
+    self.onDispatch(packet, volatile);
+  });
+
+  this.bound = {
+      end: this.onSocketEnd.bind(this)
+    , close: this.onSocketClose.bind(this)
+    , error: this.onSocketError.bind(this)
+    , drain: this.onSocketDrain.bind(this)
+  };
+
+  this.socket.on('end', this.bound.end);
+  this.socket.on('close', this.bound.close);
+  this.socket.on('error', this.bound.error);
+  this.socket.on('drain', this.bound.drain);
+
+  this.handlersSet = true;
+};
+
+/**
+ * Removes transport handlers
+ *
+ * @api private
+ */
+
+Transport.prototype.clearHandlers = function () {
+  if (this.handlersSet) {
+    this.store.unsubscribe('disconnect-force:' + this.id);
+    this.store.unsubscribe('heartbeat-clear:' + this.id);
+    this.store.unsubscribe('dispatch:' + this.id);
+
+    this.socket.removeListener('end', this.bound.end);
+    this.socket.removeListener('close', this.bound.close);
+    this.socket.removeListener('error', this.bound.error);
+    this.socket.removeListener('drain', this.bound.drain);
+  }
+};
+
+/**
+ * Called when the connection dies
+ *
+ * @api private
+ */
+
+Transport.prototype.onSocketEnd = function () {
+  this.end('socket end');
+};
+
+/**
+ * Called when the connection dies
+ *
+ * @api private
+ */
+
+Transport.prototype.onSocketClose = function (error) {
+  this.end(error ? 'socket error' : 'socket close');
+};
+
+/**
+ * Called when the connection has an error.
+ *
+ * @api private
+ */
+
+Transport.prototype.onSocketError = function (err) {
+  if (this.open) {
+    this.socket.destroy();
+    this.onClose();
+  }
+
+  this.log.info('socket error '  + err.stack);
+};
+
+/**
+ * Called when the connection is drained.
+ *
+ * @api private
+ */
+
+Transport.prototype.onSocketDrain = function () {
+  this.drained = true;
+};
+
+/**
+ * Called upon receiving a heartbeat packet.
+ *
+ * @api private
+ */
+
+Transport.prototype.onHeartbeatClear = function () {
+  this.clearHeartbeatTimeout();
+  this.setHeartbeatInterval();
+};
+
+/**
+ * Called upon a forced disconnection.
+ *
+ * @api private
+ */
+
+Transport.prototype.onForcedDisconnect = function () {
+  if (!this.disconnected) {
+    this.log.info('transport end by forced client disconnection');
+    if (this.open) {
+      this.packet({ type: 'disconnect' });
+    }
+    this.end('booted');
+  }
+};
+
+/**
+ * Dispatches a packet.
+ *
+ * @api private
+ */
+
+Transport.prototype.onDispatch = function (packet, volatile) {
+  if (volatile) {
+    this.writeVolatile(packet);
+  } else {
+    this.write(packet);
+  }
+};
+
+/**
+ * Sets the close timeout.
+ */
+
+Transport.prototype.setCloseTimeout = function () {
+  if (!this.closeTimeout) {
+    var self = this;
+
+    this.closeTimeout = setTimeout(function () {
+      self.log.debug('fired close timeout for client', self.id);
+      self.closeTimeout = null;
+      self.end('close timeout');
+    }, this.manager.get('close timeout') * 1000);
+
+    this.log.debug('set close timeout for client', this.id);
+  }
+};
+
+/**
+ * Clears the close timeout.
+ */
+
+Transport.prototype.clearCloseTimeout = function () {
+  if (this.closeTimeout) {
+    clearTimeout(this.closeTimeout);
+    this.closeTimeout = null;
+
+    this.log.debug('cleared close timeout for client', this.id);
+  }
+};
+
+/**
+ * Sets the heartbeat timeout
+ */
+
+Transport.prototype.setHeartbeatTimeout = function () {
+  if (!this.heartbeatTimeout && this.manager.enabled('heartbeats')) {
+    var self = this;
+
+    this.heartbeatTimeout = setTimeout(function () {
+      self.log.debug('fired heartbeat timeout for client', self.id);
+      self.heartbeatTimeout = null;
+      self.end('heartbeat timeout');
+    }, this.manager.get('heartbeat timeout') * 1000);
+
+    this.log.debug('set heartbeat timeout for client', this.id);
+  }
+};
+
+/**
+ * Clears the heartbeat timeout
+ *
+ * @param text
+ */
+
+Transport.prototype.clearHeartbeatTimeout = function () {
+  if (this.heartbeatTimeout && this.manager.enabled('heartbeats')) {
+    clearTimeout(this.heartbeatTimeout);
+    this.heartbeatTimeout = null;
+    this.log.debug('cleared heartbeat timeout for client', this.id);
+  }
+};
+
+/**
+ * Sets the heartbeat interval. To be called when a connection opens and when
+ * a heartbeat is received.
+ *
+ * @api private
+ */
+
+Transport.prototype.setHeartbeatInterval = function () {
+  if (!this.heartbeatInterval && this.manager.enabled('heartbeats')) {
+    var self = this;
+
+    this.heartbeatInterval = setTimeout(function () {
+      self.heartbeat();
+      self.heartbeatInterval = null;
+    }, this.manager.get('heartbeat interval') * 1000);
+
+    this.log.debug('set heartbeat interval for client', this.id);
+  }
+};
+
+/**
+ * Clears all timeouts.
+ *
+ * @api private
+ */
+
+Transport.prototype.clearTimeouts = function () {
+  this.clearCloseTimeout();
+  this.clearHeartbeatTimeout();
+  this.clearHeartbeatInterval();
+};
+
+/**
+ * Sends a heartbeat
+ *
+ * @api private
+ */
+
+Transport.prototype.heartbeat = function () {
+  if (this.open) {
+    this.log.debug('emitting heartbeat for client', this.id);
+    this.packet({ type: 'heartbeat' });
+    this.setHeartbeatTimeout();
+  }
+
+  return this;
+};
+
+/**
+ * Handles a message.
+ *
+ * @param {Object} packet object
+ * @api private
+ */
+
+Transport.prototype.onMessage = function (packet) {
+  var current = this.manager.transports[this.id];
+
+  if ('heartbeat' == packet.type) {
+    this.log.debug('got heartbeat packet');
+
+    if (current && current.open) {
+      current.onHeartbeatClear();
+    } else {
+      this.store.publish('heartbeat-clear:' + this.id);
+    }
+  } else {
+    if ('disconnect' == packet.type && packet.endpoint == '') {
+      this.log.debug('got disconnection packet');
+
+      if (current) {
+        current.onForcedDisconnect();
+      } else {
+        this.store.publish('disconnect-force:' + this.id);
+      }
+
+      return;
+    }
+
+    if (packet.id && packet.ack != 'data') {
+      this.log.debug('acknowledging packet automatically');
+
+      var ack = parser.encodePacket({
+          type: 'ack'
+        , ackId: packet.id
+        , endpoint: packet.endpoint || ''
+      });
+
+      if (current && current.open) {
+        current.onDispatch(ack);
+      } else {
+        this.manager.onClientDispatch(this.id, ack);
+        this.store.publish('dispatch:' + this.id, ack);
+      }
+    }
+
+    // handle packet locally or publish it
+    if (current) {
+      this.manager.onClientMessage(this.id, packet);
+    } else {
+      this.store.publish('message:' + this.id, packet);
+    }
+  }
+};
+
+/**
+ * Clears the heartbeat interval
+ *
+ * @api private
+ */
+
+Transport.prototype.clearHeartbeatInterval = function () {
+  if (this.heartbeatInterval && this.manager.enabled('heartbeats')) {
+    clearTimeout(this.heartbeatInterval);
+    this.heartbeatInterval = null;
+    this.log.debug('cleared heartbeat interval for client', this.id);
+  }
+};
+
+/**
+ * Finishes the connection and makes sure client doesn't reopen
+ *
+ * @api private
+ */
+
+Transport.prototype.disconnect = function (reason) {
+  this.packet({ type: 'disconnect' });
+  this.end(reason);
+
+  return this;
+};
+
+/**
+ * Closes the connection.
+ *
+ * @api private
+ */
+
+Transport.prototype.close = function () {
+  if (this.open) {
+    this.doClose();
+    this.onClose();
+  }
+};
+
+/**
+ * Called upon a connection close.
+ *
+ * @api private
+ */
+
+Transport.prototype.onClose = function () {
+  if (this.open) {
+    this.setCloseTimeout();
+    this.clearHandlers();
+    this.open = false;
+    this.manager.onClose(this.id);
+    this.store.publish('close', this.id);
+  }
+};
+
+/**
+ * Cleans up the connection, considers the client disconnected.
+ *
+ * @api private
+ */
+
+Transport.prototype.end = function (reason) {
+  if (!this.disconnected) {
+    this.log.info('transport end (' + reason + ')');
+
+    var local = this.manager.transports[this.id];
+
+    this.close();
+    this.clearTimeouts();
+    this.disconnected = true;
+
+    if (local) {
+      this.manager.onClientDisconnect(this.id, reason, true);
+    } else {
+      this.store.publish('disconnect:' + this.id, reason);
+    }
+  }
+};
+
+/**
+ * Signals that the transport should pause and buffer data.
+ *
+ * @api public
+ */
+
+Transport.prototype.discard = function () {
+  this.log.debug('discarding transport');
+  this.discarded = true;
+  this.clearTimeouts();
+  this.clearHandlers();
+
+  return this;
+};
+
+/**
+ * Writes an error packet with the specified reason and advice.
+ *
+ * @param {Number} advice
+ * @param {Number} reason
+ * @api public
+ */
+
+Transport.prototype.error = function (reason, advice) {
+  this.packet({
+      type: 'error'
+    , reason: reason
+    , advice: advice
+  });
+
+  this.log.warn(reason, advice ? ('client should ' + advice) : '');
+  this.end('error');
+};
+
+/**
+ * Write a packet.
+ *
+ * @api public
+ */
+
+Transport.prototype.packet = function (obj) {
+  return this.write(parser.encodePacket(obj));
+};
+
+/**
+ * Writes a volatile message.
+ *
+ * @api private
+ */
+
+Transport.prototype.writeVolatile = function (msg) {
+  if (this.open) {
+    if (this.drained) {
+      this.write(msg);
+    } else {
+      this.log.debug('ignoring volatile packet, buffer not drained');
+    }
+  } else {
+    this.log.debug('ignoring volatile packet, transport not open');
+  }
+};

node_modules/socket.io/lib/transports/flashsocket.js

@@ -0,0 +1,129 @@
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module requirements.
+ */
+var WebSocket = require('./websocket');
+
+/**
+ * Export the constructor.
+ */
+
+exports = module.exports = FlashSocket;
+
+/**
+ * The FlashSocket transport is just a proxy
+ * for WebSocket connections.
+ *
+ * @api public
+ */
+ 
+function FlashSocket (mng, data, req) {
+  return WebSocket.call(this, mng, data, req);
+}
+
+/**
+ * Inherits from WebSocket.
+ */
+
+FlashSocket.prototype.__proto__ = WebSocket.prototype;
+
+/**
+ * Transport name
+ *
+ * @api public
+ */
+
+FlashSocket.prototype.name = 'flashsocket';
+
+/**
+ * Listens for new configuration changes of the Manager
+ * this way we can enable and disable the flash server.
+ *
+ * @param {Manager} Manager instance.
+ * @api private
+ */
+
+
+FlashSocket.init = function (manager) {
+  var server;
+  function create () {
+
+    // Drop out immediately if the user has
+    // disabled the flash policy server
+    if (!manager.get('flash policy server')) {
+      return;
+    }
+
+    server = require('policyfile').createServer({ 
+      log: function(msg){
+        manager.log.info(msg);
+      }
+    }, manager.get('origins'));
+
+    server.on('close', function (e) {
+      server = null;
+    });
+
+    server.listen(manager.get('flash policy port'), manager.server);
+
+    manager.flashPolicyServer = server;
+  }
+
+  // listen for origin changes, so we can update the server
+  manager.on('set:origins', function (value, key) {
+    if (!server) return;
+
+    // update the origins and compile a new response buffer
+    server.origins = Array.isArray(value) ? value : [value];
+    server.compile();
+  });
+
+  // destory the server and create a new server
+  manager.on('set:flash policy port', function (value, key) {
+    var transports = manager.get('transports');
+    if (~transports.indexOf('flashsocket')) {
+      if (server) {
+        if (server.port === value) return;
+        // destroy the server and rebuild it on a new port
+        try {
+          server.close();
+        }
+        catch (e) { /* ignore exception. could e.g. be that the server isn't started yet */ }
+      }
+      create();
+    }
+  });
+
+  // create or destroy the server
+  manager.on('set:flash policy server', function (value, key) {
+    var transports = manager.get('transports');
+    if (~transports.indexOf('flashsocket')) {
+      if (server && !value) {
+        // destroy the server
+        try {
+          server.close();
+        }
+        catch (e) { /* ignore exception. could e.g. be that the server isn't started yet */ }
+      }
+    } else if (!server && value) {
+      // create the server
+      create();
+    }
+  });
+
+  // only start the server
+  manager.on('set:transports', function (value, key){
+    if (!server && ~manager.get('transports').indexOf('flashsocket')) {
+      create();
+    }
+  });
+  // check if we need to initialize at start
+  if (~manager.get('transports').indexOf('flashsocket')){
+    create();
+  }
+};

node_modules/socket.io/lib/transports/htmlfile.js

@@ -0,0 +1,83 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module requirements.
+ */
+
+var HTTPTransport = require('./http');
+
+/**
+ * Export the constructor.
+ */
+
+exports = module.exports = HTMLFile;
+
+/**
+ * HTMLFile transport constructor.
+ *
+ * @api public
+ */
+
+function HTMLFile (mng, data, req) {
+  HTTPTransport.call(this, mng, data, req);
+};
+
+/**
+ * Inherits from Transport.
+ */
+
+HTMLFile.prototype.__proto__ = HTTPTransport.prototype;
+
+/**
+ * Transport name
+ *
+ * @api public
+ */
+
+HTMLFile.prototype.name = 'htmlfile';
+
+/**
+ * Handles the request.
+ *
+ * @api private
+ */
+
+HTMLFile.prototype.handleRequest = function (req) {
+  HTTPTransport.prototype.handleRequest.call(this, req);
+
+  if (req.method == 'GET') {
+    req.res.writeHead(200, {
+        'Content-Type': 'text/html; charset=UTF-8'
+      , 'Connection': 'keep-alive'
+      , 'Transfer-Encoding': 'chunked'
+    });
+
+    req.res.write(
+        '<html><body>'
+      + '<script>var _ = function (msg) { parent.s._(msg, document); };</script>'
+      + new Array(174).join(' ')
+    );
+  }
+};
+
+/**
+ * Performs the write.
+ *
+ * @api private
+ */
+
+HTMLFile.prototype.write = function (data) {
+  // escape all forward slashes. see GH-1251
+  data = '<script>_(' + JSON.stringify(data).replace(/\//g, '\\/') + ');</script>';
+
+  if (this.response.write(data)) {
+    this.drained = true;
+  }
+
+  this.log.debug(this.name + ' writing', data);
+};

node_modules/socket.io/lib/transports/http-polling.js

@@ -0,0 +1,147 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module requirements.
+ */
+
+var HTTPTransport = require('./http');
+
+/**
+ * Exports the constructor.
+ */
+
+exports = module.exports = HTTPPolling;
+
+/**
+ * HTTP polling constructor.
+ *
+ * @api public.
+ */
+
+function HTTPPolling (mng, data, req) {
+  HTTPTransport.call(this, mng, data, req);
+};
+
+/**
+ * Inherits from HTTPTransport.
+ *
+ * @api public.
+ */
+
+HTTPPolling.prototype.__proto__ = HTTPTransport.prototype;
+
+/**
+ * Transport name
+ *
+ * @api public
+ */
+
+HTTPPolling.prototype.name = 'httppolling';
+
+/**
+ * Override setHandlers
+ *
+ * @api private
+ */
+
+HTTPPolling.prototype.setHandlers = function () {
+  HTTPTransport.prototype.setHandlers.call(this);
+  this.socket.removeListener('end', this.bound.end);
+  this.socket.removeListener('close', this.bound.close);
+};
+
+/**
+ * Removes heartbeat timeouts for polling.
+ */
+
+HTTPPolling.prototype.setHeartbeatInterval = function () {
+  return this;
+};
+
+/**
+ * Handles a request
+ *
+ * @api private
+ */
+
+HTTPPolling.prototype.handleRequest = function (req) {
+  HTTPTransport.prototype.handleRequest.call(this, req);
+
+  if (req.method == 'GET') {
+    var self = this;
+
+    this.pollTimeout = setTimeout(function () {
+      self.packet({ type: 'noop' });
+      self.log.debug(self.name + ' closed due to exceeded duration');
+    }, this.manager.get('polling duration') * 1000);
+
+    this.log.debug('setting poll timeout');
+  }
+};
+
+/**
+ * Clears polling timeout
+ *
+ * @api private
+ */
+
+HTTPPolling.prototype.clearPollTimeout = function () {
+  if (this.pollTimeout) {
+    clearTimeout(this.pollTimeout);
+    this.pollTimeout = null;
+    this.log.debug('clearing poll timeout');
+  }
+
+  return this;
+};
+
+/**
+ * Override clear timeouts to clear the poll timeout
+ *
+ * @api private
+ */
+
+HTTPPolling.prototype.clearTimeouts = function () {
+  HTTPTransport.prototype.clearTimeouts.call(this);
+
+  this.clearPollTimeout();
+};
+
+/**
+ * doWrite to clear poll timeout
+ *
+ * @api private
+ */
+
+HTTPPolling.prototype.doWrite = function () {
+  this.clearPollTimeout();
+};
+
+/**
+ * Performs a write.
+ *
+ * @api private.
+ */
+
+HTTPPolling.prototype.write = function (data, close) {
+  this.doWrite(data);
+  this.response.end();
+  this.onClose();
+};
+
+/**
+ * Override end.
+ *
+ * @api private
+ */
+
+HTTPPolling.prototype.end = function (reason) {
+  this.clearPollTimeout();
+  return HTTPTransport.prototype.end.call(this, reason);
+};
+

node_modules/socket.io/lib/transports/http.js

@@ -0,0 +1,121 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module requirements.
+ */
+
+var Transport = require('../transport')
+  , parser = require('../parser')
+  , qs = require('querystring');
+
+/**
+ * Export the constructor.
+ */
+
+exports = module.exports = HTTPTransport;
+
+/**
+ * HTTP interface constructor. For all non-websocket transports.
+ *
+ * @api public
+ */
+
+function HTTPTransport (mng, data, req) {
+  Transport.call(this, mng, data, req);
+};
+
+/**
+ * Inherits from Transport.
+ */
+
+HTTPTransport.prototype.__proto__ = Transport.prototype;
+
+/**
+ * Handles a request.
+ *
+ * @api private
+ */
+
+HTTPTransport.prototype.handleRequest = function (req) {
+
+  // Always set the response in case an error is returned to the client
+  this.response = req.res;
+
+  if (req.method == 'POST') {
+    var buffer = ''
+      , res = req.res
+      , origin = req.headers.origin
+      , headers = { 'Content-Length': 1, 'Content-Type': 'text/plain; charset=UTF-8' }
+      , self = this;
+
+    req.on('data', function (data) {
+      buffer += data;
+
+      if (Buffer.byteLength(buffer) >= self.manager.get('destroy buffer size')) {
+        buffer = '';
+        req.connection.destroy();
+      }
+    });
+
+    req.on('end', function () {
+      res.writeHead(200, headers);
+      res.end('1');
+
+      self.onData(self.postEncoded ? qs.parse(buffer).d : buffer);
+    });
+
+    // prevent memory leaks for uncompleted requests
+    req.on('close', function () {
+      buffer = '';
+      self.onClose();
+    });
+
+    if (origin) {
+      // https://developer.mozilla.org/En/HTTP_Access_Control
+      headers['Access-Control-Allow-Origin'] = origin;
+      headers['Access-Control-Allow-Credentials'] = 'true';
+    }
+  } else {
+    Transport.prototype.handleRequest.call(this, req);
+  }
+};
+
+/**
+ * Handles data payload.
+ *
+ * @api private
+ */
+
+HTTPTransport.prototype.onData = function (data) {
+  var messages = parser.decodePayload(data);
+  this.log.debug(this.name + ' received data packet', data);
+
+  for (var i = 0, l = messages.length; i < l; i++) {
+    this.onMessage(messages[i]);
+  }
+};
+
+/**
+ * Closes the request-response cycle
+ *
+ * @api private
+ */
+
+HTTPTransport.prototype.doClose = function () {
+  this.response.end();
+};
+
+/**
+ * Writes a payload of messages
+ *
+ * @api private
+ */
+
+HTTPTransport.prototype.payload = function (msgs) {
+  this.write(parser.encodePayload(msgs));
+};

node_modules/socket.io/lib/transports/index.js

@@ -0,0 +1,12 @@
+
+/**
+ * Export transports.
+ */
+
+module.exports = {
+    websocket: require('./websocket')
+  , flashsocket: require('./flashsocket')
+  , htmlfile: require('./htmlfile')
+  , 'xhr-polling': require('./xhr-polling')
+  , 'jsonp-polling': require('./jsonp-polling')
+};

node_modules/socket.io/lib/transports/jsonp-polling.js

@@ -0,0 +1,97 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module requirements.
+ */
+
+var HTTPPolling = require('./http-polling');
+var jsonpolling_re = /^\d+$/
+
+/**
+ * Export the constructor.
+ */
+
+exports = module.exports = JSONPPolling;
+
+/**
+ * JSON-P polling transport.
+ *
+ * @api public
+ */
+
+function JSONPPolling (mng, data, req) {
+  HTTPPolling.call(this, mng, data, req);
+
+  this.head = 'io.j[0](';
+  this.foot = ');';
+
+  if (data.query.i && jsonpolling_re.test(data.query.i)) {
+    this.head = 'io.j[' + data.query.i + '](';
+  }
+};
+
+/**
+ * Inherits from Transport.
+ */
+
+JSONPPolling.prototype.__proto__ = HTTPPolling.prototype;
+
+/**
+ * Transport name
+ *
+ * @api public
+ */
+
+JSONPPolling.prototype.name = 'jsonppolling';
+
+/**
+ * Make sure POST are decoded.
+ */
+
+JSONPPolling.prototype.postEncoded = true;
+
+/**
+ * Handles incoming data.
+ * Due to a bug in \n handling by browsers, we expect a JSONified string.
+ *
+ * @api private
+ */
+
+JSONPPolling.prototype.onData = function (data) {
+  try {
+    data = JSON.parse(data);
+  } catch (e) {
+    this.error('parse', 'reconnect');
+    return;
+  }
+
+  HTTPPolling.prototype.onData.call(this, data);
+};
+
+/**
+ * Performs the write.
+ *
+ * @api private
+ */
+
+JSONPPolling.prototype.doWrite = function (data) {
+  HTTPPolling.prototype.doWrite.call(this);
+
+  var data = data === undefined
+      ? '' : this.head + JSON.stringify(data) + this.foot;
+
+  this.response.writeHead(200, {
+      'Content-Type': 'text/javascript; charset=UTF-8'
+    , 'Content-Length': Buffer.byteLength(data)
+    , 'Connection': 'Keep-Alive'
+    , 'X-XSS-Protection': '0'
+  });
+
+  this.response.write(data);
+  this.log.debug(this.name + ' writing', data);
+};

node_modules/socket.io/lib/transports/websocket.js

@@ -0,0 +1,36 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module requirements.
+ */
+
+var protocolVersions = require('./websocket/');
+
+/**
+ * Export the constructor.
+ */
+
+exports = module.exports = WebSocket;
+
+/**
+ * HTTP interface constructor. Interface compatible with all transports that
+ * depend on request-response cycles.
+ *
+ * @api public
+ */
+
+function WebSocket (mng, data, req) {
+  var transport
+    , version = req.headers['sec-websocket-version'];
+  if (typeof version !== 'undefined' && typeof protocolVersions[version] !== 'undefined') {
+    transport = new protocolVersions[version](mng, data, req);
+  }
+  else transport = new protocolVersions['default'](mng, data, req);
+  if (typeof this.name !== 'undefined') transport.name = this.name;
+  return transport;
+};

node_modules/socket.io/lib/transports/websocket/default.js

@@ -0,0 +1,362 @@
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module requirements.
+ */
+
+var Transport = require('../../transport')
+  , EventEmitter = process.EventEmitter
+  , crypto = require('crypto')
+  , parser = require('../../parser');
+
+/**
+ * Export the constructor.
+ */
+
+exports = module.exports = WebSocket;
+
+/**
+ * HTTP interface constructor. Interface compatible with all transports that
+ * depend on request-response cycles.
+ *
+ * @api public
+ */
+
+function WebSocket (mng, data, req) {
+  // parser
+  var self = this;
+
+  this.parser = new Parser();
+  this.parser.on('data', function (packet) {
+    self.log.debug(self.name + ' received data packet', packet);
+    self.onMessage(parser.decodePacket(packet));
+  });
+  this.parser.on('close', function () {
+    self.end();
+  });
+  this.parser.on('error', function () {
+    self.end();
+  });
+
+  Transport.call(this, mng, data, req);
+};
+
+/**
+ * Inherits from Transport.
+ */
+
+WebSocket.prototype.__proto__ = Transport.prototype;
+
+/**
+ * Transport name
+ *
+ * @api public
+ */
+
+WebSocket.prototype.name = 'websocket';
+
+/**
+ * Websocket draft version
+ *
+ * @api public
+ */
+
+WebSocket.prototype.protocolVersion = 'hixie-76';
+
+/**
+ * Called when the socket connects.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.onSocketConnect = function () {
+  var self = this;
+
+  this.socket.setNoDelay(true);
+
+  this.buffer = true;
+  this.buffered = [];
+
+  if (this.req.headers.upgrade !== 'WebSocket') {
+    this.log.warn(this.name + ' connection invalid');
+    this.end();
+    return;
+  }
+
+  var origin = this.req.headers['origin']
+  , waitingForNonce = false;
+  if(this.manager.settings['match origin protocol']){
+    location = (origin.indexOf('https')>-1 ? 'wss' : 'ws') + '://' + this.req.headers.host + this.req.url;
+  }else if(this.socket.encrypted){
+    location = 'wss://' + this.req.headers.host + this.req.url;
+  }else{
+    location = 'ws://' + this.req.headers.host + this.req.url;
+  }
+
+  if (this.req.headers['sec-websocket-key1']) {
+    // If we don't have the nonce yet, wait for it (HAProxy compatibility).
+    if (! (this.req.head && this.req.head.length >= 8)) {
+      waitingForNonce = true;
+    }
+
+    var headers = [
+        'HTTP/1.1 101 WebSocket Protocol Handshake'
+      , 'Upgrade: WebSocket'
+      , 'Connection: Upgrade'
+      , 'Sec-WebSocket-Origin: ' + origin
+      , 'Sec-WebSocket-Location: ' + location
+    ];
+
+    if (this.req.headers['sec-websocket-protocol']){
+      headers.push('Sec-WebSocket-Protocol: '
+          + this.req.headers['sec-websocket-protocol']);
+    }
+  } else {
+    var headers = [
+        'HTTP/1.1 101 Web Socket Protocol Handshake'
+      , 'Upgrade: WebSocket'
+      , 'Connection: Upgrade'
+      , 'WebSocket-Origin: ' + origin
+      , 'WebSocket-Location: ' + location
+    ];
+  }
+
+  try {
+    this.socket.write(headers.concat('', '').join('\r\n'));
+    this.socket.setTimeout(0);
+    this.socket.setNoDelay(true);
+    this.socket.setEncoding('utf8');
+  } catch (e) {
+    this.end();
+    return;
+  }
+
+  if (waitingForNonce) {
+    this.socket.setEncoding('binary');
+  } else if (this.proveReception(headers)) {
+    self.flush();
+  }
+
+  var headBuffer = '';
+
+  this.socket.on('data', function (data) {
+    if (waitingForNonce) {
+      headBuffer += data;
+
+      if (headBuffer.length < 8) {
+        return;
+      }
+
+      // Restore the connection to utf8 encoding after receiving the nonce
+      self.socket.setEncoding('utf8');
+      waitingForNonce = false;
+
+      // Stuff the nonce into the location where it's expected to be
+      self.req.head = headBuffer.substr(0, 8);
+      headBuffer = '';
+
+      if (self.proveReception(headers)) {
+        self.flush();
+      }
+
+      return;
+    }
+
+    self.parser.add(data);
+  });
+};
+
+/**
+ * Writes to the socket.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.write = function (data) {
+  if (this.open) {
+    this.drained = false;
+
+    if (this.buffer) {
+      this.buffered.push(data);
+      return this;
+    }
+
+    var length = Buffer.byteLength(data)
+      , buffer = new Buffer(2 + length);
+
+    buffer.write('\x00', 'binary');
+    buffer.write(data, 1, 'utf8');
+    buffer.write('\xff', 1 + length, 'binary');
+
+    try {
+      if (this.socket.write(buffer)) {
+        this.drained = true;
+      }
+    } catch (e) {
+      this.end();
+    }
+
+    this.log.debug(this.name + ' writing', data);
+  }
+};
+
+/**
+ * Flushes the internal buffer
+ *
+ * @api private
+ */
+
+WebSocket.prototype.flush = function () {
+  this.buffer = false;
+
+  for (var i = 0, l = this.buffered.length; i < l; i++) {
+    this.write(this.buffered.splice(0, 1)[0]);
+  }
+};
+
+/**
+ * Finishes the handshake.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.proveReception = function (headers) {
+  var self = this
+    , k1 = this.req.headers['sec-websocket-key1']
+    , k2 = this.req.headers['sec-websocket-key2'];
+
+  if (k1 && k2){
+    var md5 = crypto.createHash('md5');
+
+    [k1, k2].forEach(function (k) {
+      var n = parseInt(k.replace(/[^\d]/g, ''))
+        , spaces = k.replace(/[^ ]/g, '').length;
+
+      if (spaces === 0 || n % spaces !== 0){
+        self.log.warn('Invalid ' + self.name + ' key: "' + k + '".');
+        self.end();
+        return false;
+      }
+
+      n /= spaces;
+
+      md5.update(String.fromCharCode(
+        n >> 24 & 0xFF,
+        n >> 16 & 0xFF,
+        n >> 8  & 0xFF,
+        n       & 0xFF));
+    });
+
+    md5.update(this.req.head.toString('binary'));
+
+    try {
+      this.socket.write(md5.digest('binary'), 'binary');
+    } catch (e) {
+      this.end();
+    }
+  }
+
+  return true;
+};
+
+/**
+ * Writes a payload.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.payload = function (msgs) {
+  for (var i = 0, l = msgs.length; i < l; i++) {
+    this.write(msgs[i]);
+  }
+
+  return this;
+};
+
+/**
+ * Closes the connection.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.doClose = function () {
+  this.socket.end();
+};
+
+/**
+ * WebSocket parser
+ *
+ * @api public
+ */
+
+function Parser () {
+  this.buffer = '';
+  this.i = 0;
+};
+
+/**
+ * Inherits from EventEmitter.
+ */
+
+Parser.prototype.__proto__ = EventEmitter.prototype;
+
+/**
+ * Adds data to the buffer.
+ *
+ * @api public
+ */
+
+Parser.prototype.add = function (data) {
+  this.buffer += data;
+  this.parse();
+};
+
+/**
+ * Parses the buffer.
+ *
+ * @api private
+ */
+
+Parser.prototype.parse = function () {
+  for (var i = this.i, chr, l = this.buffer.length; i < l; i++){
+    chr = this.buffer[i];
+
+    if (this.buffer.length == 2 && this.buffer[1] == '\u0000') {
+      this.emit('close');
+      this.buffer = '';
+      this.i = 0;
+      return;
+    }
+
+    if (i === 0){
+      if (chr != '\u0000')
+        this.error('Bad framing. Expected null byte as first frame');
+      else
+        continue;
+    }
+
+    if (chr == '\ufffd'){
+      this.emit('data', this.buffer.substr(1, i - 1));
+      this.buffer = this.buffer.substr(i + 1);
+      this.i = 0;
+      return this.parse();
+    }
+  }
+};
+
+/**
+ * Handles an error
+ *
+ * @api private
+ */
+
+Parser.prototype.error = function (reason) {
+  this.buffer = '';
+  this.i = 0;
+  this.emit('error', reason);
+  return this;
+};

node_modules/socket.io/lib/transports/websocket/hybi-07-12.js

@@ -0,0 +1,622 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+ 
+/**
+ * Module requirements.
+ */
+
+var Transport = require('../../transport')
+  , EventEmitter = process.EventEmitter
+  , crypto = require('crypto')
+  , url = require('url')
+  , parser = require('../../parser')
+  , util = require('../../util');
+
+/**
+ * Export the constructor.
+ */
+
+exports = module.exports = WebSocket;
+exports.Parser = Parser;
+
+/**
+ * HTTP interface constructor. Interface compatible with all transports that
+ * depend on request-response cycles.
+ *
+ * @api public
+ */
+
+function WebSocket (mng, data, req) {
+  // parser
+  var self = this;
+
+  this.manager = mng;
+  this.parser = new Parser();
+  this.parser.on('data', function (packet) {
+    self.onMessage(parser.decodePacket(packet));
+  });
+  this.parser.on('ping', function () {
+    // version 8 ping => pong
+    try {
+      self.socket.write('\u008a\u0000');
+    }
+    catch (e) {
+      self.end();
+      return;
+    }
+  });
+  this.parser.on('close', function () {
+    self.end();
+  });
+  this.parser.on('error', function (reason) {
+    self.log.warn(self.name + ' parser error: ' + reason);
+    self.end();
+  });
+
+  Transport.call(this, mng, data, req);
+};
+
+/**
+ * Inherits from Transport.
+ */
+
+WebSocket.prototype.__proto__ = Transport.prototype;
+
+/**
+ * Transport name
+ *
+ * @api public
+ */
+
+WebSocket.prototype.name = 'websocket';
+
+/**
+ * Websocket draft version
+ *
+ * @api public
+ */
+
+WebSocket.prototype.protocolVersion = '07-12';
+
+/**
+ * Called when the socket connects.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.onSocketConnect = function () {
+  var self = this;
+
+  if (typeof this.req.headers.upgrade === 'undefined' || 
+      this.req.headers.upgrade.toLowerCase() !== 'websocket') {
+    this.log.warn(this.name + ' connection invalid');
+    this.end();
+    return;
+  }
+
+  var origin = this.req.headers['sec-websocket-origin']
+    , location = ((this.manager.settings['match origin protocol'] ?
+                      origin.match(/^https/) : this.socket.encrypted) ?
+                        'wss' : 'ws')
+               + '://' + this.req.headers.host + this.req.url;
+  
+  if (!this.verifyOrigin(origin)) {
+    this.log.warn(this.name + ' connection invalid: origin mismatch');
+    this.end();
+    return;    
+  }
+  
+  if (!this.req.headers['sec-websocket-key']) {
+    this.log.warn(this.name + ' connection invalid: received no key');
+    this.end();
+    return;
+  }
+    
+  // calc key
+  var key = this.req.headers['sec-websocket-key'];  
+  var shasum = crypto.createHash('sha1');  
+  shasum.update(key + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11");  
+  key = shasum.digest('base64');
+
+  var headers = [
+      'HTTP/1.1 101 Switching Protocols'
+    , 'Upgrade: websocket'
+    , 'Connection: Upgrade'
+    , 'Sec-WebSocket-Accept: ' + key
+  ];
+
+  try {
+    this.socket.write(headers.concat('', '').join('\r\n'));
+    this.socket.setTimeout(0);
+    this.socket.setNoDelay(true);
+  } catch (e) {
+    this.end();
+    return;
+  }
+
+  this.socket.on('data', function (data) {
+    self.parser.add(data);
+  });
+};
+
+/**
+ * Verifies the origin of a request.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.verifyOrigin = function (origin) {
+  var origins = this.manager.get('origins');
+
+  if (origin === 'null') origin = '*';
+
+  if (origins.indexOf('*:*') !== -1) {
+    return true;
+  }
+
+  if (origin) {
+    try {
+      var parts = url.parse(origin);
+      parts.port = parts.port || 80;
+      var ok =
+        ~origins.indexOf(parts.hostname + ':' + parts.port) ||
+        ~origins.indexOf(parts.hostname + ':*') ||
+        ~origins.indexOf('*:' + parts.port);
+      if (!ok) this.log.warn('illegal origin: ' + origin);
+      return ok;
+    } catch (ex) {
+      this.log.warn('error parsing origin');
+    }
+  }
+  else {
+    this.log.warn('origin missing from websocket call, yet required by config');        
+  }
+  return false;
+};
+
+/**
+ * Writes to the socket.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.write = function (data) {
+  if (this.open) {
+    var buf = this.frame(0x81, data);
+    try {
+      this.socket.write(buf, 'binary');
+    }
+    catch (e) {
+      this.end();
+      return;
+    }
+    this.log.debug(this.name + ' writing', data);
+  }
+};
+
+/**
+ * Writes a payload.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.payload = function (msgs) {
+  for (var i = 0, l = msgs.length; i < l; i++) {
+    this.write(msgs[i]);
+  }
+
+  return this;
+};
+
+/**
+ * Frame server-to-client output as a text packet.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.frame = function (opcode, str) {
+  var dataBuffer = new Buffer(str)
+    , dataLength = dataBuffer.length
+    , startOffset = 2
+    , secondByte = dataLength;
+  if (dataLength > 65536) {
+    startOffset = 10;
+    secondByte = 127;
+  }
+  else if (dataLength > 125) {
+    startOffset = 4;
+    secondByte = 126;
+  }
+  var outputBuffer = new Buffer(dataLength + startOffset);
+  outputBuffer[0] = opcode;
+  outputBuffer[1] = secondByte;
+  dataBuffer.copy(outputBuffer, startOffset);
+  switch (secondByte) {
+  case 126:
+    outputBuffer[2] = dataLength >>> 8;
+    outputBuffer[3] = dataLength % 256;
+    break;
+  case 127:
+    var l = dataLength;
+    for (var i = 1; i <= 8; ++i) {
+      outputBuffer[startOffset - i] = l & 0xff;
+      l >>>= 8;
+    }
+  }
+  return outputBuffer;
+};
+
+/**
+ * Closes the connection.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.doClose = function () {
+  this.socket.end();
+};
+
+/**
+ * WebSocket parser
+ *
+ * @api public
+ */
+ 
+function Parser () {
+  this.state = {
+    activeFragmentedOperation: null,
+    lastFragment: false,
+    masked: false,
+    opcode: 0
+  };
+  this.overflow = null;
+  this.expectOffset = 0;
+  this.expectBuffer = null;
+  this.expectHandler = null;
+  this.currentMessage = '';
+
+  var self = this;  
+  this.opcodeHandlers = {
+    // text
+    '1': function(data) {
+      var finish = function(mask, data) {
+        self.currentMessage += self.unmask(mask, data);
+        if (self.state.lastFragment) {
+          self.emit('data', self.currentMessage);
+          self.currentMessage = '';
+        }
+        self.endPacket();
+      }
+
+      var expectData = function(length) {
+        if (self.state.masked) {
+          self.expect('Mask', 4, function(data) {
+            var mask = data;
+            self.expect('Data', length, function(data) {
+              finish(mask, data);
+            });
+          });
+        }
+        else {
+          self.expect('Data', length, function(data) { 
+            finish(null, data);
+          });
+        } 
+      }
+
+      // decode length
+      var firstLength = data[1] & 0x7f;
+      if (firstLength < 126) {
+        expectData(firstLength);
+      }
+      else if (firstLength == 126) {
+        self.expect('Length', 2, function(data) {
+          expectData(util.unpack(data));
+        });
+      }
+      else if (firstLength == 127) {
+        self.expect('Length', 8, function(data) {
+          if (util.unpack(data.slice(0, 4)) != 0) {
+            self.error('packets with length spanning more than 32 bit is currently not supported');
+            return;
+          }
+          var lengthBytes = data.slice(4); // note: cap to 32 bit length
+          expectData(util.unpack(data));
+        });
+      }      
+    },
+    // binary
+    '2': function(data) {
+      var finish = function(mask, data) {
+        if (typeof self.currentMessage == 'string') self.currentMessage = []; // build a buffer list
+        self.currentMessage.push(self.unmask(mask, data, true));
+        if (self.state.lastFragment) {
+          self.emit('binary', self.concatBuffers(self.currentMessage));
+          self.currentMessage = '';
+        }
+        self.endPacket();
+      }
+
+      var expectData = function(length) {
+        if (self.state.masked) {
+          self.expect('Mask', 4, function(data) {
+            var mask = data;
+            self.expect('Data', length, function(data) {
+              finish(mask, data);
+            });
+          });
+        }
+        else {
+          self.expect('Data', length, function(data) { 
+            finish(null, data);
+          });
+        } 
+      }
+
+      // decode length
+      var firstLength = data[1] & 0x7f;
+      if (firstLength < 126) {
+        expectData(firstLength);
+      }
+      else if (firstLength == 126) {
+        self.expect('Length', 2, function(data) {
+          expectData(util.unpack(data));
+        });
+      }
+      else if (firstLength == 127) {
+        self.expect('Length', 8, function(data) {
+          if (util.unpack(data.slice(0, 4)) != 0) {
+            self.error('packets with length spanning more than 32 bit is currently not supported');
+            return;
+          }
+          var lengthBytes = data.slice(4); // note: cap to 32 bit length
+          expectData(util.unpack(data));
+        });
+      }      
+    },
+    // close
+    '8': function(data) {
+      self.emit('close');
+      self.reset();
+    },
+    // ping
+    '9': function(data) {
+      if (self.state.lastFragment == false) {
+        self.error('fragmented ping is not supported');
+        return;
+      }
+      
+      var finish = function(mask, data) {
+        self.emit('ping', self.unmask(mask, data));
+        self.endPacket();
+      }
+
+      var expectData = function(length) {
+        if (self.state.masked) {
+          self.expect('Mask', 4, function(data) {
+            var mask = data;
+            self.expect('Data', length, function(data) {
+              finish(mask, data);
+            });
+          });
+        }
+        else {
+          self.expect('Data', length, function(data) { 
+            finish(null, data);
+          });
+        } 
+      }
+
+      // decode length
+      var firstLength = data[1] & 0x7f;
+      if (firstLength == 0) {
+        finish(null, null);        
+      }
+      else if (firstLength < 126) {
+        expectData(firstLength);
+      }
+      else if (firstLength == 126) {
+        self.expect('Length', 2, function(data) {
+          expectData(util.unpack(data));
+        });
+      }
+      else if (firstLength == 127) {
+        self.expect('Length', 8, function(data) {
+          expectData(util.unpack(data));
+        });
+      }      
+    }
+  }
+
+  this.expect('Opcode', 2, this.processPacket);  
+};
+
+/**
+ * Inherits from EventEmitter.
+ */
+
+Parser.prototype.__proto__ = EventEmitter.prototype;
+
+/**
+ * Add new data to the parser.
+ *
+ * @api public
+ */
+
+Parser.prototype.add = function(data) {
+  if (this.expectBuffer == null) {
+    this.addToOverflow(data);
+    return;
+  }
+  var toRead = Math.min(data.length, this.expectBuffer.length - this.expectOffset);
+  data.copy(this.expectBuffer, this.expectOffset, 0, toRead);
+  this.expectOffset += toRead;
+  if (toRead < data.length) {
+    // at this point the overflow buffer shouldn't at all exist
+    this.overflow = new Buffer(data.length - toRead);
+    data.copy(this.overflow, 0, toRead, toRead + this.overflow.length);
+  }
+  if (this.expectOffset == this.expectBuffer.length) {
+    var bufferForHandler = this.expectBuffer;
+    this.expectBuffer = null;
+    this.expectOffset = 0;
+    this.expectHandler.call(this, bufferForHandler);
+  }
+}
+
+/**
+ * Adds a piece of data to the overflow.
+ *
+ * @api private
+ */
+
+Parser.prototype.addToOverflow = function(data) {
+  if (this.overflow == null) this.overflow = data;
+  else {
+    var prevOverflow = this.overflow;
+    this.overflow = new Buffer(this.overflow.length + data.length);
+    prevOverflow.copy(this.overflow, 0);
+    data.copy(this.overflow, prevOverflow.length);
+  }  
+}
+
+/**
+ * Waits for a certain amount of bytes to be available, then fires a callback.
+ *
+ * @api private
+ */
+
+Parser.prototype.expect = function(what, length, handler) {
+  this.expectBuffer = new Buffer(length);
+  this.expectOffset = 0;
+  this.expectHandler = handler;
+  if (this.overflow != null) {
+    var toOverflow = this.overflow;
+    this.overflow = null;
+    this.add(toOverflow);
+  }
+}
+
+/**
+ * Start processing a new packet.
+ *
+ * @api private
+ */
+
+Parser.prototype.processPacket = function (data) {
+  if ((data[0] & 0x70) != 0) {
+    this.error('reserved fields must be empty');
+  }
+  this.state.lastFragment = (data[0] & 0x80) == 0x80; 
+  this.state.masked = (data[1] & 0x80) == 0x80;
+  var opcode = data[0] & 0xf;
+  if (opcode == 0) { 
+    // continuation frame
+    this.state.opcode = this.state.activeFragmentedOperation;
+    if (!(this.state.opcode == 1 || this.state.opcode == 2)) {
+      this.error('continuation frame cannot follow current opcode')
+      return;
+    }
+  }
+  else {    
+    this.state.opcode = opcode;
+    if (this.state.lastFragment === false) {
+        this.state.activeFragmentedOperation = opcode;
+    }
+  }
+  var handler = this.opcodeHandlers[this.state.opcode];
+  if (typeof handler == 'undefined') this.error('no handler for opcode ' + this.state.opcode);
+  else handler(data);
+}
+
+/**
+ * Endprocessing a packet.
+ *
+ * @api private
+ */
+
+Parser.prototype.endPacket = function() {
+  this.expectOffset = 0;
+  this.expectBuffer = null;
+  this.expectHandler = null;
+  if (this.state.lastFragment && this.state.opcode == this.state.activeFragmentedOperation) {
+    // end current fragmented operation
+    this.state.activeFragmentedOperation = null;
+  }
+  this.state.lastFragment = false;
+  this.state.opcode = this.state.activeFragmentedOperation != null ? this.state.activeFragmentedOperation : 0;
+  this.state.masked = false;
+  this.expect('Opcode', 2, this.processPacket);  
+}
+
+/**
+ * Reset the parser state.
+ *
+ * @api private
+ */
+
+Parser.prototype.reset = function() {
+  this.state = {
+    activeFragmentedOperation: null,
+    lastFragment: false,
+    masked: false,
+    opcode: 0
+  };
+  this.expectOffset = 0;
+  this.expectBuffer = null;
+  this.expectHandler = null;
+  this.overflow = null;
+  this.currentMessage = '';
+}
+
+/**
+ * Unmask received data.
+ *
+ * @api private
+ */
+
+Parser.prototype.unmask = function (mask, buf, binary) {
+  if (mask != null) {
+    for (var i = 0, ll = buf.length; i < ll; i++) {
+      buf[i] ^= mask[i % 4];
+    }    
+  }
+  if (binary) return buf;
+  return buf != null ? buf.toString('utf8') : '';
+}
+
+/**
+ * Concatenates a list of buffers.
+ *
+ * @api private
+ */
+
+Parser.prototype.concatBuffers = function(buffers) {
+  var length = 0;
+  for (var i = 0, l = buffers.length; i < l; ++i) {
+    length += buffers[i].length;
+  }
+  var mergedBuffer = new Buffer(length);
+  var offset = 0;
+  for (var i = 0, l = buffers.length; i < l; ++i) {
+    buffers[i].copy(mergedBuffer, offset);
+    offset += buffers[i].length;
+  }
+  return mergedBuffer;
+}
+
+/**
+ * Handles an error
+ *
+ * @api private
+ */
+
+Parser.prototype.error = function (reason) {
+  this.reset();
+  this.emit('error', reason);
+  return this;
+};

node_modules/socket.io/lib/transports/websocket/hybi-16.js

@@ -0,0 +1,622 @@
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+ 
+/**
+ * Module requirements.
+ */
+
+var Transport = require('../../transport')
+  , EventEmitter = process.EventEmitter
+  , crypto = require('crypto')
+  , url = require('url')
+  , parser = require('../../parser')
+  , util = require('../../util');
+
+/**
+ * Export the constructor.
+ */
+
+exports = module.exports = WebSocket;
+exports.Parser = Parser;
+
+/**
+ * HTTP interface constructor. Interface compatible with all transports that
+ * depend on request-response cycles.
+ *
+ * @api public
+ */
+
+function WebSocket (mng, data, req) {
+  // parser
+  var self = this;
+
+  this.manager = mng;
+  this.parser = new Parser();
+  this.parser.on('data', function (packet) {
+    self.onMessage(parser.decodePacket(packet));
+  });
+  this.parser.on('ping', function () {
+    // version 8 ping => pong
+    try {
+      self.socket.write('\u008a\u0000');
+    }
+    catch (e) {
+      self.end();
+      return;
+    }
+  });
+  this.parser.on('close', function () {
+    self.end();
+  });
+  this.parser.on('error', function (reason) {
+    self.log.warn(self.name + ' parser error: ' + reason);
+    self.end();
+  });
+
+  Transport.call(this, mng, data, req);
+};
+
+/**
+ * Inherits from Transport.
+ */
+
+WebSocket.prototype.__proto__ = Transport.prototype;
+
+/**
+ * Transport name
+ *
+ * @api public
+ */
+
+WebSocket.prototype.name = 'websocket';
+
+/**
+ * Websocket draft version
+ *
+ * @api public
+ */
+
+WebSocket.prototype.protocolVersion = '16';
+
+/**
+ * Called when the socket connects.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.onSocketConnect = function () {
+  var self = this;
+
+  if (typeof this.req.headers.upgrade === 'undefined' || 
+      this.req.headers.upgrade.toLowerCase() !== 'websocket') {
+    this.log.warn(this.name + ' connection invalid');
+    this.end();
+    return;
+  }
+
+  var origin = this.req.headers['origin'] || ''
+    , location = ((this.manager.settings['match origin protocol'] ?
+                      origin.match(/^https/) : this.socket.encrypted) ?
+                        'wss' : 'ws')
+               + '://' + this.req.headers.host + this.req.url;
+  
+  if (!this.verifyOrigin(origin)) {
+    this.log.warn(this.name + ' connection invalid: origin mismatch');
+    this.end();
+    return;    
+  }
+  
+  if (!this.req.headers['sec-websocket-key']) {
+    this.log.warn(this.name + ' connection invalid: received no key');
+    this.end();
+    return;
+  }
+    
+  // calc key
+  var key = this.req.headers['sec-websocket-key'];  
+  var shasum = crypto.createHash('sha1');  
+  shasum.update(key + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11");  
+  key = shasum.digest('base64');
+
+  var headers = [
+      'HTTP/1.1 101 Switching Protocols'
+    , 'Upgrade: websocket'
+    , 'Connection: Upgrade'
+    , 'Sec-WebSocket-Accept: ' + key
+  ];
+
+  try {
+    this.socket.write(headers.concat('', '').join('\r\n'));
+    this.socket.setTimeout(0);
+    this.socket.setNoDelay(true);
+  } catch (e) {
+    this.end();
+    return;
+  }
+
+  this.socket.on('data', function (data) {
+    self.parser.add(data);
+  });
+};
+
+/**
+ * Verifies the origin of a request.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.verifyOrigin = function (origin) {
+  var origins = this.manager.get('origins');
+
+  if (origin === 'null') origin = '*';
+
+  if (origins.indexOf('*:*') !== -1) {
+    return true;
+  }
+
+  if (origin) {
+    try {
+      var parts = url.parse(origin);
+      parts.port = parts.port || 80;
+      var ok =
+        ~origins.indexOf(parts.hostname + ':' + parts.port) ||
+        ~origins.indexOf(parts.hostname + ':*') ||
+        ~origins.indexOf('*:' + parts.port);
+      if (!ok) this.log.warn('illegal origin: ' + origin);
+      return ok;
+    } catch (ex) {
+      this.log.warn('error parsing origin');
+    }
+  }
+  else {
+    this.log.warn('origin missing from websocket call, yet required by config');        
+  }
+  return false;
+};
+
+/**
+ * Writes to the socket.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.write = function (data) {
+  if (this.open) {
+    var buf = this.frame(0x81, data);
+    try {
+      this.socket.write(buf, 'binary');
+    }
+    catch (e) {
+      this.end();
+      return;
+    }
+    this.log.debug(this.name + ' writing', data);
+  }
+};
+
+/**
+ * Writes a payload.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.payload = function (msgs) {
+  for (var i = 0, l = msgs.length; i < l; i++) {
+    this.write(msgs[i]);
+  }
+
+  return this;
+};
+
+/**
+ * Frame server-to-client output as a text packet.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.frame = function (opcode, str) {
+  var dataBuffer = new Buffer(str)
+    , dataLength = dataBuffer.length
+    , startOffset = 2
+    , secondByte = dataLength;
+  if (dataLength > 65536) {
+    startOffset = 10;
+    secondByte = 127;
+  }
+  else if (dataLength > 125) {
+    startOffset = 4;
+    secondByte = 126;
+  }
+  var outputBuffer = new Buffer(dataLength + startOffset);
+  outputBuffer[0] = opcode;
+  outputBuffer[1] = secondByte;
+  dataBuffer.copy(outputBuffer, startOffset);
+  switch (secondByte) {
+  case 126:
+    outputBuffer[2] = dataLength >>> 8;
+    outputBuffer[3] = dataLength % 256;
+    break;
+  case 127:
+    var l = dataLength;
+    for (var i = 1; i <= 8; ++i) {
+      outputBuffer[startOffset - i] = l & 0xff;
+      l >>>= 8;
+    }
+  }
+  return outputBuffer;
+};
+
+/**
+ * Closes the connection.
+ *
+ * @api private
+ */
+
+WebSocket.prototype.doClose = function () {
+  this.socket.end();
+};
+
+/**
+ * WebSocket parser
+ *
+ * @api public
+ */
+ 
+function Parser () {
+  this.state = {
+    activeFragmentedOperation: null,
+    lastFragment: false,
+    masked: false,
+    opcode: 0
+  };
+  this.overflow = null;
+  this.expectOffset = 0;
+  this.expectBuffer = null;
+  this.expectHandler = null;
+  this.currentMessage = '';
+
+  var self = this;  
+  this.opcodeHandlers = {
+    // text
+    '1': function(data) {
+      var finish = function(mask, data) {
+        self.currentMessage += self.unmask(mask, data);
+        if (self.state.lastFragment) {
+          self.emit('data', self.currentMessage);
+          self.currentMessage = '';
+        }
+        self.endPacket();
+      }
+
+      var expectData = function(length) {
+        if (self.state.masked) {
+          self.expect('Mask', 4, function(data) {
+            var mask = data;
+            self.expect('Data', length, function(data) {
+              finish(mask, data);
+            });
+          });
+        }
+        else {
+          self.expect('Data', length, function(data) { 
+            finish(null, data);
+          });
+        } 
+      }
+
+      // decode length
+      var firstLength = data[1] & 0x7f;
+      if (firstLength < 126) {
+        expectData(firstLength);
+      }
+      else if (firstLength == 126) {
+        self.expect('Length', 2, function(data) {
+          expectData(util.unpack(data));
+        });
+      }
+      else if (firstLength == 127) {
+        self.expect('Length', 8, function(data) {
+          if (util.unpack(data.slice(0, 4)) != 0) {
+            self.error('packets with length spanning more than 32 bit is currently not supported');
+            return;
+          }
+          var lengthBytes = data.slice(4); // note: cap to 32 bit length
+          expectData(util.unpack(data));
+        });
+      }      
+    },
+    // binary
+    '2': function(data) {
+      var finish = function(mask, data) {
+        if (typeof self.currentMessage == 'string') self.currentMessage = []; // build a buffer list
+        self.currentMessage.push(self.unmask(mask, data, true));
+        if (self.state.lastFragment) {
+          self.emit('binary', self.concatBuffers(self.currentMessage));
+          self.currentMessage = '';
+        }
+        self.endPacket();
+      }
+
+      var expectData = function(length) {
+        if (self.state.masked) {
+          self.expect('Mask', 4, function(data) {
+            var mask = data;
+            self.expect('Data', length, function(data) {
+              finish(mask, data);
+            });
+          });
+        }
+        else {
+          self.expect('Data', length, function(data) { 
+            finish(null, data);
+          });
+        } 
+      }
+
+      // decode length
+      var firstLength = data[1] & 0x7f;
+      if (firstLength < 126) {
+        expectData(firstLength);
+      }
+      else if (firstLength == 126) {
+        self.expect('Length', 2, function(data) {
+          expectData(util.unpack(data));
+        });
+      }
+      else if (firstLength == 127) {
+        self.expect('Length', 8, function(data) {
+          if (util.unpack(data.slice(0, 4)) != 0) {
+            self.error('packets with length spanning more than 32 bit is currently not supported');
+            return;
+          }
+          var lengthBytes = data.slice(4); // note: cap to 32 bit length
+          expectData(util.unpack(data));
+        });
+      }      
+    },
+    // close
+    '8': function(data) {
+      self.emit('close');
+      self.reset();
+    },
+    // ping
+    '9': function(data) {
+      if (self.state.lastFragment == false) {
+        self.error('fragmented ping is not supported');
+        return;
+      }
+      
+      var finish = function(mask, data) {
+        self.emit('ping', self.unmask(mask, data));
+        self.endPacket();
+      }
+
+      var expectData = function(length) {
+        if (self.state.masked) {
+          self.expect('Mask', 4, function(data) {
+            var mask = data;
+            self.expect('Data', length, function(data) {
+              finish(mask, data);
+            });
+          });
+        }
+        else {
+          self.expect('Data', length, function(data) { 
+            finish(null, data);
+          });
+        } 
+      }
+
+      // decode length
+      var firstLength = data[1] & 0x7f;
+      if (firstLength == 0) {
+        finish(null, null);        
+      }
+      else if (firstLength < 126) {
+        expectData(firstLength);
+      }
+      else if (firstLength == 126) {
+        self.expect('Length', 2, function(data) {
+          expectData(util.unpack(data));
+        });
+      }
+      else if (firstLength == 127) {
+        self.expect('Length', 8, function(data) {
+          expectData(util.unpack(data));
+        });
+      }      
+    }
+  }
+
+  this.expect('Opcode', 2, this.processPacket);  
+};
+
+/**
+ * Inherits from EventEmitter.
+ */
+
+Parser.prototype.__proto__ = EventEmitter.prototype;
+
+/**
+ * Add new data to the parser.
+ *
+ * @api public
+ */
+
+Parser.prototype.add = function(data) {
+  if (this.expectBuffer == null) {
+    this.addToOverflow(data);
+    return;
+  }
+  var toRead = Math.min(data.length, this.expectBuffer.length - this.expectOffset);
+  data.copy(this.expectBuffer, this.expectOffset, 0, toRead);
+  this.expectOffset += toRead;
+  if (toRead < data.length) {
+    // at this point the overflow buffer shouldn't at all exist
+    this.overflow = new Buffer(data.length - toRead);
+    data.copy(this.overflow, 0, toRead, toRead + this.overflow.length);
+  }
+  if (this.expectOffset == this.expectBuffer.length) {
+    var bufferForHandler = this.expectBuffer;
+    this.expectBuffer = null;
+    this.expectOffset = 0;
+    this.expectHandler.call(this, bufferForHandler);
+  }
+}
+
+/**
+ * Adds a piece of data to the overflow.
+ *
+ * @api private
+ */
+
+Parser.prototype.addToOverflow = function(data) {
+  if (this.overflow == null) this.overflow = data;
+  else {
+    var prevOverflow = this.overflow;
+    this.overflow = new Buffer(this.overflow.length + data.length);
+    prevOverflow.copy(this.overflow, 0);
+    data.copy(this.overflow, prevOverflow.length);
+  }  
+}
+
+/**
+ * Waits for a certain amount of bytes to be available, then fires a callback.
+ *
+ * @api private
+ */
+
+Parser.prototype.expect = function(what, length, handler) {
+  this.expectBuffer = new Buffer(length);
+  this.expectOffset = 0;
+  this.expectHandler = handler;
+  if (this.overflow != null) {
+    var toOverflow = this.overflow;
+    this.overflow = null;
+    this.add(toOverflow);
+  }
+}
+
+/**
+ * Start processing a new packet.
+ *
+ * @api private
+ */
+
+Parser.prototype.processPacket = function (data) {
+  if ((data[0] & 0x70) != 0) {
+    this.error('reserved fields must be empty');
+    return;
+  } 
+  this.state.lastFragment = (data[0] & 0x80) == 0x80; 
+  this.state.masked = (data[1] & 0x80) == 0x80;
+  var opcode = data[0] & 0xf;
+  if (opcode == 0) { 
+    // continuation frame
+    this.state.opcode = this.state.activeFragmentedOperation;
+    if (!(this.state.opcode == 1 || this.state.opcode == 2)) {
+      this.error('continuation frame cannot follow current opcode')
+      return;
+    }
+  }
+  else {    
+    this.state.opcode = opcode;
+    if (this.state.lastFragment === false) {
+        this.state.activeFragmentedOperation = opcode;
+    }
+  }
+  var handler = this.opcodeHandlers[this.state.opcode];
+  if (typeof handler == 'undefined') this.error('no handler for opcode ' + this.state.opcode);
+  else handler(data);
+}
+
+/**
+ * Endprocessing a packet.
+ *
+ * @api private
+ */
+
+Parser.prototype.endPacket = function() {
+  this.expectOffset = 0;
+  this.expectBuffer = null;
+  this.expectHandler = null;
+  if (this.state.lastFragment && this.state.opcode == this.state.activeFragmentedOperation) {
+    // end current fragmented operation
+    this.state.activeFragmentedOperation = null;
+  }
+  this.state.lastFragment = false;
+  this.state.opcode = this.state.activeFragmentedOperation != null ? this.state.activeFragmentedOperation : 0;
+  this.state.masked = false;
+  this.expect('Opcode', 2, this.processPacket);  
+}
+
+/**
+ * Reset the parser state.
+ *
+ * @api private
+ */
+
+Parser.prototype.reset = function() {
+  this.state = {
+    activeFragmentedOperation: null,
+    lastFragment: false,
+    masked: false,
+    opcode: 0
+  };
+  this.expectOffset = 0;
+  this.expectBuffer = null;
+  this.expectHandler = null;
+  this.overflow = null;
+  this.currentMessage = '';
+}
+
+/**
+ * Unmask received data.
+ *
+ * @api private
+ */
+
+Parser.prototype.unmask = function (mask, buf, binary) {
+  if (mask != null) {
+    for (var i = 0, ll = buf.length; i < ll; i++) {
+      buf[i] ^= mask[i % 4];
+    }    
+  }
+  if (binary) return buf;
+  return buf != null ? buf.toString('utf8') : '';
+}
+
+/**
+ * Concatenates a list of buffers.
+ *
+ * @api private
+ */
+
+Parser.prototype.concatBuffers = function(buffers) {
+  var length = 0;
+  for (var i = 0, l = buffers.length; i < l; ++i) {
+    length += buffers[i].length;
+  }
+  var mergedBuffer = new Buffer(length);
+  var offset = 0;
+  for (var i = 0, l = buffers.length; i < l; ++i) {
+    buffers[i].copy(mergedBuffer, offset);
+    offset += buffers[i].length;
+  }
+  return mergedBuffer;
+}
+
+/**
+ * Handles an error
+ *
+ * @api private
+ */
+
+Parser.prototype.error = function (reason) {
+  this.reset();
+  this.emit('error', reason);
+  return this;
+};

node_modules/socket.io/lib/transports/websocket/index.js

@@ -0,0 +1,11 @@
+
+/**
+ * Export websocket versions.
+ */
+
+module.exports = {
+  7: require('./hybi-07-12'),
+  8: require('./hybi-07-12'),
+  13: require('./hybi-16'),
+  default: require('./default')
+};

node_modules/socket.io/lib/transports/xhr-polling.js

@@ -0,0 +1,69 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module requirements.
+ */
+
+var HTTPPolling = require('./http-polling');
+
+/**
+ * Export the constructor.
+ */
+
+exports = module.exports = XHRPolling;
+
+/**
+ * Ajax polling transport.
+ *
+ * @api public
+ */
+
+function XHRPolling (mng, data, req) {
+  HTTPPolling.call(this, mng, data, req);
+};
+
+/**
+ * Inherits from Transport.
+ */
+
+XHRPolling.prototype.__proto__ = HTTPPolling.prototype;
+
+/**
+ * Transport name
+ *
+ * @api public
+ */
+
+XHRPolling.prototype.name = 'xhr-polling';
+
+/**
+ * Frames data prior to write.
+ *
+ * @api private
+ */
+
+XHRPolling.prototype.doWrite = function (data) {
+  HTTPPolling.prototype.doWrite.call(this);
+
+  var origin = this.req.headers.origin
+    , headers = {
+          'Content-Type': 'text/plain; charset=UTF-8'
+        , 'Content-Length': data === undefined ? 0 : Buffer.byteLength(data)
+        , 'Connection': 'Keep-Alive'
+      };
+
+  if (origin) {
+    // https://developer.mozilla.org/En/HTTP_Access_Control
+    headers['Access-Control-Allow-Origin'] = origin;
+    headers['Access-Control-Allow-Credentials'] = 'true';
+  }
+
+  this.response.writeHead(200, headers);
+  this.response.write(data);
+  this.log.debug(this.name + ' writing', data);
+};

node_modules/socket.io/lib/util.js

@@ -0,0 +1,50 @@
+
+/*!
+ * socket.io-node
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+/**
+ * Converts an enumerable to an array.
+ *
+ * @api public
+ */
+
+exports.toArray = function (enu) {
+  var arr = [];
+
+  for (var i = 0, l = enu.length; i < l; i++)
+    arr.push(enu[i]);
+
+  return arr;
+};
+
+/**
+ * Unpacks a buffer to a number.
+ *
+ * @api public
+ */
+
+exports.unpack = function (buffer) {
+  var n = 0;
+  for (var i = 0; i < buffer.length; ++i) {
+    n = (i == 0) ? buffer[i] : (n * 256) + buffer[i];
+  }
+  return n;
+}
+
+/**
+ * Left pads a string.
+ *
+ * @api public
+ */
+
+exports.padl = function (s,n,c) { 
+  return new Array(1 + n - s.length).join(c) + s;
+}
+