https://xdgame.com/static/js/member_device_20260929.js

1(function(){
2 'use strict';
3 var host=document.getElementById('header-user');if(!host||window.XDMemberDeviceStarted)return;
4 window.XDMemberDeviceStarted=true;
5 var rootKey='xd_member_browser_v1',started=false,observer;
6 function read(key){try{var value=localStorage.getItem(key);if(value!==null)return value;}catch(e){}try{return sessionStorage.getItem(key);}catch(ignore){return null;}}
7 function save(key,value){try{localStorage.setItem(key,value);return true;}catch(e){try{sessionStorage.setItem(key,value);return true;}catch(ignore){return false;}}}
8 function collect(marker){
9  if(!marker.isConnected||document.visibilityState==='hidden')return;
10  var mid=marker.getAttribute('data-device-member'),token=marker.getAttribute('data-device-token');
11  if(!/^[1-9][0-9]*$/.test(mid||'')||!token)return;
12  var throttleKey='xd_member_device_seen_v1:'+mid,now=Date.now();
13  if(Number(read(throttleKey)||0)>now)return;
14  var id=read(rootKey);
15  if(!/^[a-f0-9]{32}$/.test(id||'')){
16   if(!window.crypto||!crypto.getRandomValues)return;
17   var bytes=new Uint8Array(16);crypto.getRandomValues(bytes);
18   id=Array.from(bytes,function(n){return ('0'+n.toString(16)).slice(-2);}).join('');if(!save(rootKey,id))return;
19  }
20  var tz='';try{tz=Intl.DateTimeFormat().resolvedOptions().timeZone||'';}catch(e){}
21  var data={v:1,id:id,screen:[Math.round(screen.width||0),Math.round(screen.height||0)],depth:Math.round(screen.colorDepth||0),cores:Math.round(navigator.hardwareConcurrency||0),touch:navigator.maxTouchPoints>0?1:0,tz:tz,lang:String(navigator.language||'').slice(0,24)};
22  // Short backoff on failure; no retry loop and no navigation blocking.
23  if(!save(throttleKey,String(now+300000)))return;
24  var xhr=new XMLHttpRequest();xhr.open('POST','/user/device_observe.php',true);xhr.timeout=4000;
25  xhr.setRequestHeader('Content-Type','application/json');xhr.setRequestHeader('X-Device-Token',token);
26  xhr.onload=function(){if(xhr.status===200){try{if(JSON.parse(xhr.responseText).ok)save(throttleKey,String(Date.now()+1800000));}catch(e){}}};
27  xhr.send(JSON.stringify(data));
28 }
29 function check(){
30  var marker=host.querySelector('[data-device-member][data-device-token]');
31  if(!marker||started)return;started=true;if(observer)observer.disconnect();
32  function run(){if(document.visibilityState==='hidden'){document.addEventListener('visibilitychange',function visible(){if(document.visibilityState==='visible'){document.removeEventListener('visibilitychange',visible);collect(marker);}});}else collect(marker);}
33  if(window.requestIdleCallback)requestIdleCallback(run,{timeout:2500});else setTimeout(run,1200);
34 }
35 check();if(!started){observer=new MutationObserver(check);observer.observe(host,{childList:true,subtree:true});}
36})();