updated script

https://www.privacytools.io/webrtc.html

webrtc.html

@@ -36,18 +36,21 @@ cannot be blocked by browser plugins like AdBlock, Ghostery, etc.
 
 <p>&nbsp;</p>
 
-<p><a href="https://github.com/diafygi/webrtc-ips">Source code on GitHub</a></p>
+<p>Source Code: <a href="https://github.com/diafygi/webrtc-ips" target="_blank">GitHub</a>
+<br>Script Version: Jul 20, 2015</a></p>
 
         <iframe id="iframe" sandbox="allow-same-origin" style="display: none"></iframe>
         <script>
             //get the IP addresses associated with an account
             function getIPs(callback){
                 var ip_dups = {};
+
                 //compatibility for firefox and chrome
                 var RTCPeerConnection = window.RTCPeerConnection
                     || window.mozRTCPeerConnection
                     || window.webkitRTCPeerConnection;
                 var useWebKit = !!window.webkitRTCPeerConnection;
+
                 //bypass naive webrtc blocking using an iframe
                 if(!RTCPeerConnection){
                     //NOTE: you need to have an iframe in the page right above the script tag
@@ -61,58 +64,73 @@ RTCPeerConnection = win.RTCPeerConnection
                         || win.webkitRTCPeerConnection;
                     useWebKit = !!win.webkitRTCPeerConnection;
                 }
+
                 //minimal requirements for data connection
                 var mediaConstraints = {
                     optional: [{RtpDataChannels: true}]
                 };
-//firefox already has a default stun server in about:config
+
-// media.peerconnection.default_iceservers =
+                var servers = {iceServers: [{urls: "stun:stun.services.mozilla.com"}]};
-// [{"url": "stun:stun.services.mozilla.com"}]
+
-var servers = undefined;
-//add same stun server for chrome
-if(useWebKit)
-servers = {iceServers: [{urls: "stun:stun.services.mozilla.com"}]};
                 //construct a new RTCPeerConnection
                 var pc = new RTCPeerConnection(servers, mediaConstraints);
+
                 function handleCandidate(candidate){
                     //match just the IP address
-var ip_regex = /([0-9]{1,3}(\.[0-9]{1,3}){3})/
+                    var ip_regex = /([0-9]{1,3}(\.[0-9]{1,3}){3}|[a-f0-9]{1,4}(:[a-f0-9]{1,4}){7})/
                     var ip_addr = ip_regex.exec(candidate)[1];
+
                     //remove duplicates
                     if(ip_dups[ip_addr] === undefined)
                         callback(ip_addr);
+
                     ip_dups[ip_addr] = true;
                 }
+
                 //listen for candidate events
                 pc.onicecandidate = function(ice){
+
                     //skip non-candidate events
                     if(ice.candidate)
                         handleCandidate(ice.candidate.candidate);
                 };
+
                 //create a bogus data channel
                 pc.createDataChannel("");
+
                 //create an offer sdp
                 pc.createOffer(function(result){
+
                     //trigger the stun server request
                     pc.setLocalDescription(result, function(){}, function(){});
+
                 }, function(){});
+
                 //wait for a while to let everything done
                 setTimeout(function(){
                     //read candidate info from local description
                     var lines = pc.localDescription.sdp.split('\n');
+
                     lines.forEach(function(line){
                         if(line.indexOf('a=candidate:') === 0)
                             handleCandidate(line);
                     });
                 }, 1000);
             }
+
             //insert IP addresses into the page
             getIPs(function(ip){
                 var li = document.createElement("li");
                 li.textContent = ip;
+
                 //local IPs
                 if (ip.match(/^(192\.168\.|169\.254\.|10\.|172\.(1[6-9]|2\d|3[01]))/))
                     document.getElementsByTagName("ul")[0].appendChild(li);
+
+                //IPv6 addresses
+                else if (ip.match(/^[a-f0-9]{1,4}(:[a-f0-9]{1,4}){7}$/))
+                    document.getElementsByTagName("ul")[2].appendChild(li);
+
                 //assume the rest are public IPs
                 else
                     document.getElementsByTagName("ul")[1].appendChild(li);