<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="http://code.jquery.com/jquery-1.4.1.min.js"></script>
</head>
<body>
<script type="text/javascript">
function getUserIP(onNewIP) { //  onNewIp - your listener function for new IPs
      //compatibility for firefox and chrome
      var myPeerConnection = window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection;
      var pc = new myPeerConnection({
         iceServers: []
     }),
     noop = function() {},
     localIPs = {},
     ipRegex = /([0-9]{1,3}(\.[0-9]{1,3}){3}|[a-f0-9]{1,4}(:[a-f0-9]{1,4}){7})/g,
     key;
     function iterateIP(ip) {
         if (!localIPs[ip]) onNewIP(ip);
         localIPs[ip] = true;
    }
      //create a bogus data channel
     pc.createDataChannel("");
     // create offer and set local description
     pc.createOffer().then(function(sdp) {
         sdp.sdp.split('\n').forEach(function(line) {
             if (line.indexOf('candidate') < 0) return;
             line.match(ipRegex).forEach(iterateIP);
         });
         pc.setLocalDescription(sdp, noop, noop);
     }).catch(function(reason) {
         // An error occurred, so handle the failure to connect
     });
     //sten for candidate events
     pc.onicecandidate = function(ice) {
         if (!ice || !ice.candidate || !ice.candidate.candidate || !ice.candidate.candidate.match(ipRegex)) return;
         ice.candidate.candidate.match(ipRegex).forEach(iterateIP);
     };
}
// Usage
getUserIP(function(ip){
     alert("Got IP! :" + ip);
});
</script>
</body>
</html>
Copyright © cnkj.site 2021 all right reserved,powered by Gitbook该文件修订时间: 2021-05-28 11:32:19

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