redirect bingai to cloudflare challenge if needed

en/links/index.html

@@ -312,7 +312,7 @@ Bundle of internal urls, if it is an "i:0" url, then it should have th
 
 </div>
 <p>Last Modified: 17 June 2023<br>
-add i:8d[url] to force downloading<br>
+finalize latest.html<br>
 <pre>i:56 urls support CTRL_A to CTRL-Z 
 </pre>
 </p>

en/searchurl/bingAI/js/bingChatHub.js

@@ -235,6 +235,15 @@ async function createChat(theChatType) {
     try {
       let url = URLTrue(magicUrl,'turing/conversation/create');
       let res = await fetch(url);
+      if(!res.ok){
+        if(res.headers.has('cf-mitigated')){
+          let challengeUrl = `${magicUrl}/challenge?`+location.href;
+          location.href=challengeUrl;
+          return;
+        }
+        mes = `Error code: ${res.status} ${res.statusText}`;
+        break;
+      }
       let resjson = await res.json();
       if (!resjson.result || resjson.result.value != 'Success') {
         mes = resjson;