1 files changed, 217 insertions, 0 deletions
diff --git a/signaling-server/node_modules/socket.io/node_modules/socket.io-client/lib/transports/xhr.js b/signaling-server/node_modules/socket.io/node_modules/socket.io-client/lib/transports/xhr.js
new file mode 100644
index 0000000..0625905
--- /dev/null
+++ b/signaling-server/node_modules/socket.io/node_modules/socket.io-client/lib/transports/xhr.js
@@ -0,0 +1,217 @@
+
+/**
+ * socket.io
+ * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
+ * MIT Licensed
+ */
+
+(function (exports, io, global) {
+
+  /**
+   * Expose constructor.
+   *
+   * @api public
+   */
+
+  exports.XHR = XHR;
+
+  /**
+   * XHR constructor
+   *
+   * @costructor
+   * @api public
+   */
+
+  function XHR (socket) {
+    if (!socket) return;
+
+    io.Transport.apply(this, arguments);
+    this.sendBuffer = [];
+  };
+
+  /**
+   * Inherits from Transport.
+   */
+
+  io.util.inherit(XHR, io.Transport);
+
+  /**
+   * Establish a connection
+   *
+   * @returns {Transport}
+   * @api public
+   */
+
+  XHR.prototype.open = function () {
+    this.socket.setBuffer(false);
+    this.onOpen();
+    this.get();
+
+    // we need to make sure the request succeeds since we have no indication
+    // whether the request opened or not until it succeeded.
+    this.setCloseTimeout();
+
+    return this;
+  };
+
+  /**
+   * Check if we need to send data to the Socket.IO server, if we have data in our
+   * buffer we encode it and forward it to the `post` method.
+   *
+   * @api private
+   */
+
+  XHR.prototype.payload = function (payload) {
+    var msgs = [];
+
+    for (var i = 0, l = payload.length; i < l; i++) {
+      msgs.push(io.parser.encodePacket(payload[i]));
+    }
+
+    this.send(io.parser.encodePayload(msgs));
+  };
+
+  /**
+   * Send data to the Socket.IO server.
+   *
+   * @param data The message
+   * @returns {Transport}
+   * @api public
+   */
+
+  XHR.prototype.send = function (data) {
+    this.post(data);
+    return this;
+  };
+
+  /**
+   * Posts a encoded message to the Socket.IO server.
+   *
+   * @param {String} data A encoded message.
+   * @api private
+   */
+
+  function empty () { };
+
+  XHR.prototype.post = function (data) {
+    var self = this;
+    this.socket.setBuffer(true);
+
+    function stateChange () {
+      if (this.readyState == 4) {
+        this.onreadystatechange = empty;
+        self.posting = false;
+
+        if (this.status == 200){
+          self.socket.setBuffer(false);
+        } else {
+          self.onClose();
+        }
+      }
+    }
+
+    function onload () {
+      this.onload = empty;
+      self.socket.setBuffer(false);
+    };
+
+    this.sendXHR = this.request('POST');
+
+    if (global.XDomainRequest && this.sendXHR instanceof XDomainRequest) {
+      this.sendXHR.onload = this.sendXHR.onerror = onload;
+    } else {
+      this.sendXHR.onreadystatechange = stateChange;
+    }
+
+    this.sendXHR.send(data);
+  };
+
+  /**
+   * Disconnects the established `XHR` connection.
+   *
+   * @returns {Transport}
+   * @api public
+   */
+
+  XHR.prototype.close = function () {
+    this.onClose();
+    return this;
+  };
+
+  /**
+   * Generates a configured XHR request
+   *
+   * @param {String} url The url that needs to be requested.
+   * @param {String} method The method the request should use.
+   * @returns {XMLHttpRequest}
+   * @api private
+   */
+
+  XHR.prototype.request = function (method) {
+    var req = io.util.request(this.socket.isXDomain())
+      , query = io.util.query(this.socket.options.query, 't=' + +new Date);
+
+    req.open(method || 'GET', this.prepareUrl() + query, true);
+
+    if (method == 'POST') {
+      try {
+        if (req.setRequestHeader) {
+          req.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
+        } else {
+          // XDomainRequest
+          req.contentType = 'text/plain';
+        }
+      } catch (e) {}
+    }
+
+    return req;
+  };
+
+  /**
+   * Returns the scheme to use for the transport URLs.
+   *
+   * @api private
+   */
+
+  XHR.prototype.scheme = function () {
+    return this.socket.options.secure ? 'https' : 'http';
+  };
+
+  /**
+   * Check if the XHR transports are supported
+   *
+   * @param {Boolean} xdomain Check if we support cross domain requests.
+   * @returns {Boolean}
+   * @api public
+   */
+
+  XHR.check = function (socket, xdomain) {
+    try {
+      var request = io.util.request(xdomain),
+          usesXDomReq = (global.XDomainRequest && request instanceof XDomainRequest),
+          socketProtocol = (socket && socket.options && socket.options.secure ? 'https:' : 'http:'),
+          isXProtocol = (global.location && socketProtocol != global.location.protocol);
+      if (request && !(usesXDomReq && isXProtocol)) {
+        return true;
+      }
+    } catch(e) {}
+
+    return false;
+  };
+
+  /**
+   * Check if the XHR transport supports cross domain requests.
+   *
+   * @returns {Boolean}
+   * @api public
+   */
+
+  XHR.xdomainCheck = function (socket) {
+    return XHR.check(socket, true);
+  };
+
+})(
+    'undefined' != typeof io ? io.Transport : module.exports
+  , 'undefined' != typeof io ? io : module.parent.exports
+  , this
+);