From cf559b599cea684b8bb80ac59dcdb7879265120b Mon Sep 17 00:00:00 2001
From: Xidorn Quan <quanxunzhen@gmail.com>
Date: Mon, 2 Feb 2015 09:42:37 +1100
Subject: [PATCH] Bypass naive WebRTC blocking.

---
 index.html | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/index.html b/index.html
index e3f436a..22ae94d 100644
--- a/index.html
+++ b/index.html
@@ -28,6 +28,19 @@
                 var RTCPeerConnection = window.RTCPeerConnection
                     || window.mozRTCPeerConnection
                     || window.webkitRTCPeerConnection;
+                if (!RTCPeerConnection) {
+                  //bypass naive webrtc blocking
+                  var iframe = document.createElement('iframe');
+                  iframe.style.display = 'none';
+                  document.body.appendChild(iframe);
+                  var win = iframe.contentWindow;
+                  window.RTCPeerConnection = win.RTCPeerConnection;
+                  window.mozRTCPeerConnection = win.mozRTCPeerConnection;
+                  window.webkitRTCPeerConnection = win.webkitRTCPeerConnection;
+                  var RTCPeerConnection = window.RTCPeerConnection
+                      || window.mozRTCPeerConnection
+                      || window.webkitRTCPeerConnection;
+                }
                 var mediaConstraints = {
                     optional: [{RtpDataChannels: true}]
                 };