Created
May 8, 2017 15:48
-
-
Save milandobrota/5625c487040efa5ffedc10343a109264 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<html> | |
<head> | |
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> | |
</head> | |
<body> | |
<h4> | |
STUN TEST | |
</h4> | |
<p> | |
The local and public IP should both be present if STUN is working correctly. | |
<p> | |
<h4>Your local IP addresses:</h4> | |
<ul></ul> | |
<h4>Your public IP addresses:</h4> | |
<ul></ul> | |
<h4>Your IPv6 addresses:</h4> | |
<ul></ul> | |
<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 | |
// | |
//<iframe id="iframe" sandbox="allow-same-origin" style="display: none"></iframe> | |
//<script>...getIPs called in here... | |
// | |
var win = iframe.contentWindow; | |
RTCPeerConnection = win.RTCPeerConnection | |
|| win.mozRTCPeerConnection | |
|| win.webkitRTCPeerConnection; | |
useWebKit = !!win.webkitRTCPeerConnection; | |
} | |
//minimal requirements for data connection | |
var mediaConstraints = { | |
optional: [{RtpDataChannels: true}] | |
}; | |
var stunServers = prompt("Please enter the STUN server you'd like to test", "stun:stagingv3.mdliveconnect.com:3478"); | |
var servers = {iceServers: [{urls: stunServers}]}; | |
//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}|[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); | |
} | |
}); | |
</script> | |
</body> | |
</html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment