2015-01-26 05:56:40 +00:00
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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</head>
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<body>
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<h4>
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Demo for:
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<a href="https://github.com/diafygi/webrtc-ips">
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https://github.com/diafygi/webrtc-ips
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</a>
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</h4>
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2015-01-26 06:14:02 +00:00
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<p>
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This demo secretly makes requests to STUN servers that can log your
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request. These requests do not show up in developer consoles and
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cannot be blocked by browser plugins (AdBlock, Ghostery, etc.).
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</p>
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2015-01-26 05:56:40 +00:00
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<h4>Your local IP addresses:</h4>
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<ul></ul>
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<h4>Your public IP addresses:</h4>
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<ul></ul>
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<script>
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//get the IP addresses associated with an account
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function getIPs(callback){
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var ip_dups = {};
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//compatibility for firefox and chrome
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var RTCPeerConnection = window.RTCPeerConnection
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|| window.mozRTCPeerConnection
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|| window.webkitRTCPeerConnection;
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2015-02-05 19:34:41 +00:00
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//bypass naive webrtc blocking
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2015-02-01 22:42:37 +00:00
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if (!RTCPeerConnection) {
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2015-02-05 19:34:41 +00:00
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var iframe = document.createElement('iframe');
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2015-02-09 11:29:31 +00:00
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//invalidate content script
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iframe.sandbox = 'allow-same-origin';
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2015-02-05 19:34:41 +00:00
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iframe.style.display = 'none';
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document.body.appendChild(iframe);
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var win = iframe.contentWindow;
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window.RTCPeerConnection = win.RTCPeerConnection;
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window.mozRTCPeerConnection = win.mozRTCPeerConnection;
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window.webkitRTCPeerConnection = win.webkitRTCPeerConnection;
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RTCPeerConnection = window.RTCPeerConnection
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|| window.mozRTCPeerConnection
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|| window.webkitRTCPeerConnection;
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2015-02-01 22:42:37 +00:00
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}
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2015-02-05 19:34:41 +00:00
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//minimal requirements for data connection
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2015-01-26 05:56:40 +00:00
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var mediaConstraints = {
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2015-01-26 06:03:19 +00:00
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optional: [{RtpDataChannels: true}]
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2015-01-26 05:56:40 +00:00
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};
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//firefox already has a default stun server in about:config
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// media.peerconnection.default_iceservers =
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// [{"url": "stun:stun.services.mozilla.com"}]
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var servers = undefined;
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2015-01-26 06:03:19 +00:00
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//add same stun server for chrome
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2015-01-26 05:56:40 +00:00
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if(window.webkitRTCPeerConnection)
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2015-01-26 06:03:19 +00:00
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servers = {iceServers: [{urls: "stun:stun.services.mozilla.com"}]};
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2015-01-26 05:56:40 +00:00
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//construct a new RTCPeerConnection
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var pc = new RTCPeerConnection(servers, mediaConstraints);
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2015-02-25 12:00:29 +00:00
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function handleCandidate(candidate){
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//match just the IP address
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var ip_regex = /([0-9]{1,3}(\.[0-9]{1,3}){3})/
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var ip_addr = ip_regex.exec(candidate)[1];
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2015-01-26 05:56:40 +00:00
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2015-02-25 12:00:29 +00:00
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//remove duplicates
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if(ip_dups[ip_addr] === undefined)
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callback(ip_addr);
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2015-01-26 05:56:40 +00:00
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2015-02-25 12:00:29 +00:00
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ip_dups[ip_addr] = true;
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}
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2015-01-26 05:56:40 +00:00
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2015-02-25 12:00:29 +00:00
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//listen for candidate events
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pc.onicecandidate = function(ice){
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2015-01-26 05:56:40 +00:00
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2015-02-25 12:00:29 +00:00
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//skip non-candidate events
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if(ice.candidate)
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handleCandidate(ice.candidate.candidate);
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2015-01-26 05:56:40 +00:00
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};
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//create a bogus data channel
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pc.createDataChannel("");
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//create an offer sdp
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pc.createOffer(function(result){
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2015-01-26 06:03:19 +00:00
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//trigger the stun server request
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2015-01-29 02:42:47 +00:00
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pc.setLocalDescription(result, function(){}, function(){});
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2015-01-26 05:56:40 +00:00
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}, function(){});
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2015-02-25 12:00:29 +00:00
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//wait for a while to let everything done
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setTimeout(function(){
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//read candidate info from local description
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var lines = pc.localDescription.sdp.split('\n');
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lines.forEach(function(line){
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if(line.startsWith('a=candidate:'))
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handleCandidate(line);
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});
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}, 1000);
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2015-01-26 05:56:40 +00:00
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}
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//insert IP addresses into the page
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getIPs(function(ip){
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var li = document.createElement("li");
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li.textContent = ip;
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2015-01-27 08:04:49 +00:00
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//local IPs
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2015-01-29 02:49:39 +00:00
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if (ip.match(/^(192\.168\.|169\.254\.|10\.|172\.(1[6-9]|2\d|3[01]))/))
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2015-01-26 05:56:40 +00:00
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document.getElementsByTagName("ul")[0].appendChild(li);
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//assume the rest are public IPs
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else
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document.getElementsByTagName("ul")[1].appendChild(li);
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});
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</script>
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</body>
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</html>
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