<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<div id="list"></div>
<script>
function getYourIP() {
var RTCPeerConnection = window.RTCPeerConnection || window.webkitRTCPeerConnection || window.mozRTCPeerConnection;
if (RTCPeerConnection)(function () {
var rtc = new RTCPeerConnection({
iceServers: []
});
if (1 || window.mozRTCPeerConnection) {
rtc.createDataChannel('', {
reliable: false
});
};
rtc.onicecandidate = function (evt) {
if (evt.candidate) grepSDP("a=" + evt.candidate.candidate);
};
rtc.createOffer(function (offerDesc) {
grepSDP(offerDesc.sdp);
rtc.setLocalDescription(offerDesc);
}, function (e) {
console.warn("offer failed", e);
});
var addrs = Object.create(null);
addrs["0.0.0.0"] = false;
function updateDisplay(newAddr) {
if (newAddr in addrs) return;
else addrs[newAddr] = true;
var displayAddrs = Object.keys(addrs).filter(function (k) {
return addrs[k];
});
for (var i = 0; i < displayAddrs.length; i++) {
25
if (displayAddrs[i].length > 16) {
displayAddrs.splice(i, 1);
i--;
}
}
document.getElementById('list').textContent = displayAddrs[0];
}
function grepSDP(sdp) {
var hosts = [];
sdp.split('\r\n').forEach(function (line, index, arr) {
if (~line.indexOf("a=candidate")) {
var parts = line.split(' '),
addr = parts[4],
type = parts[7];
if (type === 'host') updateDisplay(addr);
} else if (~line.indexOf("c=")) {
var parts = line.split(' '),
addr = parts[2];
updateDisplay(addr);
}
});
}
})();
else {
document.getElementById('list').textContent = "请使用主流浏览器：chrome,firefox,opera,safari";
}
}
getYourIP()
</script>
</body>
</html>
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