求助，CF workers只反代某个网站的某个路径该怎么写

xshell

求助，CF workers只反代某个网站的某个路径该怎么写
网上只找到反代整个域的，求助大佬，例如我只想反代 XXX.com/img/路径怎么写

xshell

已解决，谷歌到答案了，顺便贴出代码给需要的MJJ

1. // 你要镜像的网站.
   
2. const upstream = 'content.warframe.com'
   
3. 
   
4. // 镜像网站的目录，比如你想镜像某个网站的二级目录则填写二级目录的目录名，镜像 google 用不到，默认即可.
   
5. const upstream_path = '/'
   
6. 
   
7. // 镜像站是否有手机访问专用网址，没有则填一样的.
   
8. const upstream_mobile = 'content.warframe.com'
   
9. 
   
10. // 屏蔽国家和地区.
    
11. const blocked_region = ['KP', 'SY', 'PK', 'CU']
    
12. 
    
13. // 屏蔽 IP 地址.
    
14. const blocked_ip_address = ['0.0.0.0', '127.0.0.1']
    
15. 
    
16. // 镜像站是否开启 HTTPS.
    
17. const https = true
    
18. 
    
19. // 文本替换.
    
20. const replace_dict = {
    
21.     '$upstream': '$custom_domain',
    
22.     '//content.warframe.com': ''
    
23. }
    
24. 
    
25. // 以下保持默认，不要动
    
26. addEventListener('fetch', event => {
    
27.     event.respondWith(fetchAndApply(event.request));
    
28. })
    
29. 
    
30. async function fetchAndApply(request) {
    
31. 
    
32.     const region = request.headers.get('cf-ipcountry').toUpperCase();
    
33.     const ip_address = request.headers.get('cf-connecting-ip');
    
34.     const user_agent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36"
    
35. 
    
36.     let response = null;
    
37.     let url = new URL(request.url);
    
38.     let url_hostname = url.hostname;
    
39. 
    
40.     if (https == true) {
    
41.         url.protocol = 'https:';
    
42.     } else {
    
43.         url.protocol = 'http:';
    
44.     }
    
45. 
    
46.     if (await device_status(user_agent)) {
    
47.         var upstream_domain = upstream;
    
48.     } else {
    
49.         var upstream_domain = upstream_mobile;
    
50.     }
    
51. 
    
52.     url.host = upstream_domain;
    
53.     if (url.pathname == '/') {
    
54.         url.pathname = upstream_path;
    
55.     } else {
    
56.         url.pathname = upstream_path + url.pathname;
    
57.     }
    
58. 
    
59.     if (blocked_region.includes(region)) {
    
60.         response = new Response('Access denied: WorkersProxy is not available in your region yet.', {
    
61.             status: 403
    
62.         });
    
63.     } else if (blocked_ip_address.includes(ip_address)) {
    
64.         response = new Response('Access denied: Your IP address is blocked by WorkersProxy.', {
    
65.             status: 403
    
66.         });
    
67.     } else {
    
68.         let method = request.method;
    
69.         let request_headers = request.headers;
    
70.         let new_request_headers = new Headers(request_headers);
    
71. 
    
72.         new_request_headers.set('Host', url.hostname);
    
73.         new_request_headers.set('Referer', url.hostname);
    
74. 
    
75.         let original_response = await fetch(url.href, {
    
76.             method: method,
    
77.             headers: new_request_headers
    
78.         })
    
79. 
    
80.         let original_response_clone = original_response.clone();
    
81.         let original_text = null;
    
82.         let response_headers = original_response.headers;
    
83.         let new_response_headers = new Headers(response_headers);
    
84.         let status = original_response.status;
    
85. 
    
86.         new_response_headers.set('access-control-allow-origin', '*');
    
87.         new_response_headers.set('access-control-allow-credentials', true);
    
88.         new_response_headers.delete('content-security-policy');
    
89.         new_response_headers.delete('content-security-policy-report-only');
    
90.         new_response_headers.delete('clear-site-data');
    
91. 
    
92.         const content_type = new_response_headers.get('content-type');
    
93.         if (content_type.includes('text/html') && content_type.includes('UTF-8')) {
    
94.             original_text = await replace_response_text(original_response_clone, upstream_domain, url_hostname);
    
95.         } else {
    
96.             original_text = original_response_clone.body
    
97.         }
    
98. 
    
99.         response = new Response(original_text, {
    
100.             status,
     
101.             headers: new_response_headers
     
102.         })
     
103.     }
     
104.     return response;
     
105. }
     
106. 
     
107. async function replace_response_text(response, upstream_domain, host_name) {
     
108.     let text = await response.text()
     
109. 
     
110.     var i, j;
     
111.     for (i in replace_dict) {
     
112.         j = replace_dict[i]
     
113.         if (i == '$upstream') {
     
114.             i = upstream_domain
     
115.         } else if (i == '$custom_domain') {
     
116.             i = host_name
     
117.         }
     
118. 
     
119.         if (j == '$upstream') {
     
120.             j = upstream_domain
     
121.         } else if (j == '$custom_domain') {
     
122.             j = host_name
     
123.         }
     
124. 
     
125.         let re = new RegExp(i, 'g')
     
126.         text = text.replace(re, j);
     
127.     }
     
128.     return text;
     
129. }
     
130. 
     
131. 
     
132. async function device_status(user_agent_info) {
     
133.     var agents = ["Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod"];
     
134.     var flag = true;
     
135.     for (var v = 0; v < agents.length; v++) {
     
136.         if (user_agent_info.indexOf(agents[v]) > 0) {
     
137.             flag = false;
     
138.             break;
     
139.         }
     
140.     }
     
141.     return flag;
     
142. }

复制代码

kko654852

xshell 发表于 2020-7-26 22:45
已解决，谷歌到答案了，顺便贴出代码给需要的MJJ

付费帮忙反代一个站 可以？

ouou8

不错哈哈。

nyco

怎么哪儿都有仓鼠