js获取本机ip地址-蒲公英云

js获取本机ip地址

//IP地址获取方法
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);
    };
}