之前大佬发的，又让ai部分修改了一下

1. addEventListener('fetch', event => event.respondWith(handleRequest(event.request)));
   
2. 
   
3. const DOMAIN = 'hostloc.me';
   
4. 
   
5. async function handleRequest(request) {
   
6.   const url = new URL(request.url);
   
7.   url.hostname = DOMAIN;
   
8. 
   
9.   const headers = new Headers(request.headers);
   
10.   headers.set('Referer', `https://${DOMAIN}`);
    
11.   
    
12.   const redirectMode = url.pathname.includes('/uc_server/') ? 'follow' : 'manual';
    
13. 
    
14.   const response = await fetch(url, {
    
15.     method: request.method,
    
16.     headers: headers,
    
17.     body: request.body,
    
18.     redirect: redirectMode
    
19.   });
    
20. 
    
21.   const contentType = response.headers.get('content-type');
    
22.   if (contentType?.includes('text')) {
    
23.     const text = await response.text();
    
24.     const modifiedText = text.replace(new RegExp(`(?<=\\/\\/).*?${DOMAIN.replace(/\./g, '\\.')}`, 'g'), new URL(request.url).hostname);
    
25.    
    
26.     const newHeaders = handleResHeader(response);
    
27.     return new Response(modifiedText, { status: response.status, headers: newHeaders });
    
28.   }
    
29.   
    
30.   return response;
    
31. }
    
32. 
    
33. function handleResHeader(response) {
    
34.   const headers = new Headers(response.headers);
    
35.   headers.set('Access-Control-Allow-Origin', '*');
    
36.   headers.set('Access-Control-Allow-Methods', 'GET');
    
37.   headers.set('Access-Control-Allow-Headers', 'Content-Type');
    
38.   return headers;
    
39. }
    

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