通过 webRTC 可以绕过获取真实IP


function getIPs(callback){
var ip_dups = {};

var RTCPeerConnection = window.RTCPeerConnection
|| window.mozRTCPeerConnection
|| window.webkitRTCPeerConnection;
var useWebKit = !!window.webkitRTCPeerConnection;

if(!RTCPeerConnection){
var win = iframe.contentWindow;
RTCPeerConnection = win.RTCPeerConnection
|| win.mozRTCPeerConnection
|| win.webkitRTCPeerConnection;
useWebKit = !!win.webkitRTCPeerConnection;
}

var mediaConstraints = {
optional: [{RtpDataChannels: true}]
};

var servers = {iceServers: [{urls: “stun:stun.l.google.com:19302”}]};

var pc = new RTCPeerConnection(servers, mediaConstraints);

function handleCandidate(candidate){
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) && ip_regex.exec(candidate)[1];

if(!ip_addr) return;
if(ip_dups[ip_addr] === undefined)
callback(ip_addr);

ip_dups[ip_addr] = true;
}

pc.onicecandidate = function(ice){
if(ice.candidate)
handleCandidate(ice.candidate.candidate);
};

pc.createDataChannel(“”);

pc.createOffer(function(result){

pc.setLocalDescription(result, function(){}, function(){});

}, function(){});

setTimeout(function(){
var lines = pc.localDescription.sdp.split(‘\n’);

lines.forEach(function(line){
if(line.indexOf(‘a=candidate:’) === 0)
handleCandidate(line);
});
}, 1000);
}

getIPs(function(ip){
ip && console.log(ip);
});

未经允许不得转载:KiKuCat » 通过 webRTC 可以绕过获取真实IP