1 files changed, 69 insertions, 0 deletions
diff --git a/signaling-server/node_modules/socket.io/lib/transports/xhr-polling.js b/signaling-server/node_modules/socket.io/lib/transports/xhr-polling.js
new file mode 100644
index 0000000..1db5aee
--- /dev/null
+++ b/signaling-server/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);
+};