1 files changed, 254 insertions, 0 deletions
diff --git a/signaling-server/node_modules/socket.io/node_modules/socket.io-client/components/learnboost-engine.io-client/lib/transports/flashsocket.js b/signaling-server/node_modules/socket.io/node_modules/socket.io-client/components/learnboost-engine.io-client/lib/transports/flashsocket.js
new file mode 100644
index 0000000..9a5a108
--- /dev/null
+++ b/signaling-server/node_modules/socket.io/node_modules/socket.io-client/components/learnboost-engine.io-client/lib/transports/flashsocket.js
@@ -0,0 +1,254 @@
+
+/**
+ * Module dependencies.
+ */
+
+var WS = require('./websocket')
+  , util = require('../util')
+  , debug = require('debug')('engine.io-client:flashsocket');
+
+/**
+ * Module exports.
+ */
+
+module.exports = FlashWS;
+
+/**
+ * Obfuscated key for Blue Coat.
+ */
+
+var xobject = global[['Active'].concat('Object').join('X')];
+
+/**
+ * FlashWS constructor.
+ *
+ * @api public
+ */
+
+function FlashWS (options) {
+  WS.call(this, options);
+  this.flashPath = options.flashPath;
+  this.policyPort = options.policyPort;
+};
+
+/**
+ * Inherits from WebSocket.
+ */
+
+util.inherits(FlashWS, WS);
+
+/**
+ * Transport name.
+ *
+ * @api public
+ */
+
+FlashWS.prototype.name = 'flashsocket';
+
+/**
+ * Opens the transport.
+ *
+ * @api public
+ */
+
+FlashWS.prototype.doOpen = function () {
+  if (!this.check()) {
+    // let the probe timeout
+    return;
+  }
+
+  // instrument websocketjs logging
+  function log (type) {
+    return function(){
+      var str = Array.prototype.join.call(arguments, ' ');
+      debug('[websocketjs %s] %s', type, str);
+    };
+  };
+
+  WEB_SOCKET_LOGGER = { log: log('debug'), error: log('error') };
+  WEB_SOCKET_SUPPRESS_CROSS_DOMAIN_SWF_ERROR = true;
+  WEB_SOCKET_DISABLE_AUTO_INITIALIZATION = true;
+
+  if ('undefined' == typeof WEB_SOCKET_SWF_LOCATION) {
+    WEB_SOCKET_SWF_LOCATION = this.flashPath + 'WebSocketMainInsecure.swf';
+  }
+
+  // dependencies
+  var deps = [this.flashPath + 'web_socket.js'];
+
+  if ('undefined' == typeof swfobject) {
+    deps.unshift(this.flashPath + 'swfobject.js');
+  }
+
+  var self = this;
+
+  load(deps, function () {
+    self.ready(function () {
+      WebSocket.__addTask(function () {
+        WS.prototype.doOpen.call(self);
+      });
+    });
+  });
+};
+
+/**
+ * Override to prevent closing uninitialized flashsocket.
+ *
+ * @api private
+ */
+
+FlashWS.prototype.doClose = function () {
+  if (!this.socket) return;
+  var self = this;
+  WebSocket.__addTask(function() {
+    WS.prototype.doClose.call(self);
+  });
+};
+
+/**
+ * Writes to the Flash socket.
+ *
+ * @api private
+ */
+
+FlashWS.prototype.write = function() {
+  var self = this, args = arguments;
+  WebSocket.__addTask(function () {
+    WS.prototype.write.apply(self, args);
+  });
+};
+
+/**
+ * Called upon dependencies are loaded.
+ *
+ * @api private
+ */
+
+FlashWS.prototype.ready = function (fn) {
+  if (typeof WebSocket == 'undefined' ||
+    !('__initialize' in WebSocket) || !swfobject) {
+    return;
+  }
+
+  if (swfobject.getFlashPlayerVersion().major < 10) {
+    return;
+  }
+
+  function init () {
+    // Only start downloading the swf file when the checked that this browser
+    // actually supports it
+    if (!FlashWS.loaded) {
+      if (843 != self.policyPort) {
+        WebSocket.loadFlashPolicyFile('xmlsocket://' + self.host + ':' + self.policyPort);
+      }
+
+      WebSocket.__initialize();
+      FlashWS.loaded = true;
+    }
+
+    fn.call(self);
+  }
+
+  var self = this;
+  if (document.body) {
+    return init();
+  }
+
+  util.load(init);
+};
+
+/**
+ * Feature detection for flashsocket.
+ *
+ * @return {Boolean} whether this transport is available.
+ * @api public
+ */
+
+FlashWS.prototype.check = function () {
+  if ('undefined' != typeof process) {
+    return false;
+  }
+
+  if (typeof WebSocket != 'undefined' && !('__initialize' in WebSocket)) {
+    return false;
+  }
+
+  if (xobject) {
+    var control = null;
+    try {
+      control = new xobject('ShockwaveFlash.ShockwaveFlash');
+    } catch (e) { }
+    if (control) {
+      return true;
+    }
+  } else {
+    for (var i = 0, l = navigator.plugins.length; i < l; i++) {
+      for (var j = 0, m = navigator.plugins[i].length; j < m; j++) {
+        if (navigator.plugins[i][j].description == 'Shockwave Flash') {
+          return true;
+        }
+      }
+    }
+  }
+
+  return false;
+};
+
+/**
+ * Lazy loading of scripts.
+ * Based on $script by Dustin Diaz - MIT
+ */
+
+var scripts = {};
+
+/**
+ * Injects a script. Keeps tracked of injected ones.
+ *
+ * @param {String} path
+ * @param {Function} callback
+ * @api private
+ */
+
+function create (path, fn) {
+  if (scripts[path]) return fn();
+
+  var el = document.createElement('script');
+  var loaded = false;
+
+  debug('loading "%s"', path);
+  el.onload = el.onreadystatechange = function () {
+    if (loaded || scripts[path]) return;
+    var rs = el.readyState;
+    if (!rs || 'loaded' == rs || 'complete' == rs) {
+      debug('loaded "%s"', path);
+      el.onload = el.onreadystatechange = null;
+      loaded = true;
+      scripts[path] = true;
+      fn();
+    }
+  };
+
+  el.async = 1;
+  el.src = path;
+
+  var head = document.getElementsByTagName('head')[0];
+  head.insertBefore(el, head.firstChild);
+};
+
+/**
+ * Loads scripts and fires a callback.
+ *
+ * @param {Array} paths
+ * @param {Function} callback
+ */
+
+function load (arr, fn) {
+  function process (i) {
+    if (!arr[i]) return fn();
+    create(arr[i], function () {
+      process(++i);
+    });
+  };
+
+  process(0);
+};