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https://github.com/privacyguides/privacyguides.org
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privacytoolsIO
parent
7fa802becc
commit
cb327bacc1
180
webrtc.html
180
webrtc.html
@ -36,88 +36,106 @@ cannot be blocked by browser plugins like AdBlock, Ghostery, etc.
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<p> </p>
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<p><a href="https://github.com/diafygi/webrtc-ips">Source code on GitHub</a></p>
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<p>Source Code: <a href="https://github.com/diafygi/webrtc-ips" target="_blank">GitHub</a>
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<br>Script Version: Jul 20, 2015</a></p>
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<iframe id="iframe" sandbox="allow-same-origin" style="display: none"></iframe>
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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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var useWebKit = !!window.webkitRTCPeerConnection;
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//bypass naive webrtc blocking using an iframe
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if(!RTCPeerConnection){
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//NOTE: you need to have an iframe in the page right above the script tag
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//
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//<iframe id="iframe" sandbox="allow-same-origin" style="display: none"></iframe>
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//<script>...getIPs called in here...
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//
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var win = iframe.contentWindow;
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RTCPeerConnection = win.RTCPeerConnection
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|| win.mozRTCPeerConnection
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|| win.webkitRTCPeerConnection;
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useWebKit = !!win.webkitRTCPeerConnection;
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}
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//minimal requirements for data connection
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var mediaConstraints = {
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optional: [{RtpDataChannels: true}]
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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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//add same stun server for chrome
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if(useWebKit)
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servers = {iceServers: [{urls: "stun:stun.services.mozilla.com"}]};
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//construct a new RTCPeerConnection
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var pc = new RTCPeerConnection(servers, mediaConstraints);
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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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//remove duplicates
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if(ip_dups[ip_addr] === undefined)
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callback(ip_addr);
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ip_dups[ip_addr] = true;
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}
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//listen for candidate events
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pc.onicecandidate = function(ice){
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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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};
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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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//trigger the stun server request
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pc.setLocalDescription(result, function(){}, function(){});
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}, function(){});
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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.indexOf('a=candidate:') === 0)
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handleCandidate(line);
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});
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}, 1000);
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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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//local IPs
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if (ip.match(/^(192\.168\.|169\.254\.|10\.|172\.(1[6-9]|2\d|3[01]))/))
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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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<iframe id="iframe" sandbox="allow-same-origin" style="display: none"></iframe>
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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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var useWebKit = !!window.webkitRTCPeerConnection;
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//bypass naive webrtc blocking using an iframe
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if(!RTCPeerConnection){
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//NOTE: you need to have an iframe in the page right above the script tag
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//
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//<iframe id="iframe" sandbox="allow-same-origin" style="display: none"></iframe>
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//<script>...getIPs called in here...
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//
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var win = iframe.contentWindow;
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RTCPeerConnection = win.RTCPeerConnection
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|| win.mozRTCPeerConnection
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|| win.webkitRTCPeerConnection;
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useWebKit = !!win.webkitRTCPeerConnection;
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}
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//minimal requirements for data connection
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var mediaConstraints = {
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optional: [{RtpDataChannels: true}]
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};
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var servers = {iceServers: [{urls: "stun:stun.services.mozilla.com"}]};
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//construct a new RTCPeerConnection
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var pc = new RTCPeerConnection(servers, mediaConstraints);
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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}|[a-f0-9]{1,4}(:[a-f0-9]{1,4}){7})/
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var ip_addr = ip_regex.exec(candidate)[1];
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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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ip_dups[ip_addr] = true;
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}
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//listen for candidate events
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pc.onicecandidate = function(ice){
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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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};
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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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//trigger the stun server request
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pc.setLocalDescription(result, function(){}, function(){});
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}, function(){});
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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.indexOf('a=candidate:') === 0)
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handleCandidate(line);
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});
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}, 1000);
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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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//local IPs
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if (ip.match(/^(192\.168\.|169\.254\.|10\.|172\.(1[6-9]|2\d|3[01]))/))
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document.getElementsByTagName("ul")[0].appendChild(li);
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//IPv6 addresses
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else if (ip.match(/^[a-f0-9]{1,4}(:[a-f0-9]{1,4}){7}$/))
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document.getElementsByTagName("ul")[2].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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</div>
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</body>
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