Cloudflare使用Workers设置反代

Cloudflare使用Workers设置反代

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Cloudflare | Web Performance & Security

部署Workers

登录进去后点击【Workers和 Pages】,然后点击【创建

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点击【创建Workers

image

然后先设置一下域名,然后点击【部署

image

然后就可以配置反代代码了,有两种反代代码,自行选择。

反代代码1

// 代理网站
const upstream = 'xxx-my.sharepoint.com'
// 代理网站的目录
const upstream_path = '/'
// 手机用户代理网站
const upstream_mobile = 'xxx-my.sharepoint.com'
// 屏蔽国家和地区
const blocked_region = ['KP', 'SY', 'PK', 'CU']
// 屏蔽 IP 地址
const blocked_ip_address = ['0.0.0.0', '127.0.0.1']
// 源站是否开启 HTTPS
const https = true
// 是否允许浏览器缓存
const disable_cache = false
// 文本替换
const replace_dict = {
'$upstream': '$custom_domain',
'//sharepoint.com': ''
}
// 以下无需修改
addEventListener('fetch', event => {
event.respondWith(fetchAndApply(event.request));
})
async function fetchAndApply(request) {
const region = request.headers.get('cf-ipcountry').toUpperCase();
const ip_address = request.headers.get('cf-connecting-ip');
const user_agent = request.headers.get('user-agent');
let response = null;
let url = new URL(request.url);
let url_hostname = url.hostname;
if (https == true) {
url.protocol = 'https:';
} else {
url.protocol = 'http:';
}
if (await device_status(user_agent)) {
var upstream_domain = upstream;
} else {
var upstream_domain = upstream_mobile;
}
url.host = upstream_domain;
if (url.pathname == '/') {
url.pathname = upstream_path;
} else {
url.pathname = upstream_path + url.pathname;
}
if (blocked_region.includes(region)) {
response = new Response('Access denied: WorkersProxy is not available in your region yet.', {
status: 403
});
} else if (blocked_ip_address.includes(ip_address)) {
response = new Response('Access denied: Your IP address is blocked by WorkersProxy.', {
status: 403
});
} else {
let method = request.method;
let request_headers = request.headers;
let new_request_headers = new Headers(request_headers);
new_request_headers.set('Host', upstream_domain);
new_request_headers.set('Referer', url.protocol + '//' + url_hostname);
let original_response = await fetch(url.href, {
method: method,
headers: new_request_headers
})
connection_upgrade = new_request_headers.get("Upgrade");
if (connection_upgrade && connection_upgrade.toLowerCase() == "websocket") {
return original_response;
}
let original_response_clone = original_response.clone();
let original_text = null;
let response_headers = original_response.headers;
let new_response_headers = new Headers(response_headers);
let status = original_response.status;
if (disable_cache) {
new_response_headers.set('Cache-Control', 'no-store');
}
new_response_headers.set('access-control-allow-origin', '*');
new_response_headers.set('access-control-allow-credentials', true);
new_response_headers.delete('content-security-policy');
new_response_headers.delete('content-security-policy-report-only');
new_response_headers.delete('clear-site-data');
if (new_response_headers.get("x-pjax-url")) {
new_response_headers.set("x-pjax-url", response_headers.get("x-pjax-url").replace("//" + upstream_domain, "//" + url_hostname));
}
const content_type = new_response_headers.get('content-type');
if (content_type != null && content_type.includes('text/html') && content_type.includes('UTF-8')) {
original_text = await replace_response_text(original_response_clone, upstream_domain, url_hostname);
} else {
original_text = original_response_clone.body
}
response = new Response(original_text, {
status,
headers: new_response_headers
})
}
return response;
}
async function replace_response_text(response, upstream_domain, host_name) {
let text = await response.text()
var i, j;
for (i in replace_dict) {
j = replace_dict[i]
if (i == '$upstream') {
i = upstream_domain
} else if (i == '$custom_domain') {
i = host_name
}
if (j == '$upstream') {
j = upstream_domain
} else if (j == '$custom_domain') {
j = host_name
}
let re = new RegExp(i, 'g')
text = text.replace(re, j);
}
return text;
}
async function device_status(user_agent_info) {
var agents = ["Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod"];
var flag = true;
for (var v = 0; v < agents.length; v++) {
if (user_agent_info.indexOf(agents[v]) > 0) {
flag = false;
break;
}
}
return flag;
}
// 代理网站
const upstream = 'xxx-my.sharepoint.com'

// 代理网站的目录
const upstream_path = '/'

// 手机用户代理网站
const upstream_mobile = 'xxx-my.sharepoint.com'

// 屏蔽国家和地区
const blocked_region = ['KP', 'SY', 'PK', 'CU']

// 屏蔽 IP 地址
const blocked_ip_address = ['0.0.0.0', '127.0.0.1']

// 源站是否开启 HTTPS
const https = true

// 是否允许浏览器缓存
const disable_cache = false

// 文本替换
const replace_dict = {
    '$upstream': '$custom_domain',
    '//sharepoint.com': ''
}

// 以下无需修改
addEventListener('fetch', event => {
    event.respondWith(fetchAndApply(event.request));
})

async function fetchAndApply(request) {
    const region = request.headers.get('cf-ipcountry').toUpperCase();
    const ip_address = request.headers.get('cf-connecting-ip');
    const user_agent = request.headers.get('user-agent');

    let response = null;
    let url = new URL(request.url);
    let url_hostname = url.hostname;

    if (https == true) {
        url.protocol = 'https:';
    } else {
        url.protocol = 'http:';
    }

    if (await device_status(user_agent)) {
        var upstream_domain = upstream;
    } else {
        var upstream_domain = upstream_mobile;
    }

    url.host = upstream_domain;
    if (url.pathname == '/') {
        url.pathname = upstream_path;
    } else {
        url.pathname = upstream_path + url.pathname;
    }

    if (blocked_region.includes(region)) {
        response = new Response('Access denied: WorkersProxy is not available in your region yet.', {
            status: 403
        });
    } else if (blocked_ip_address.includes(ip_address)) {
        response = new Response('Access denied: Your IP address is blocked by WorkersProxy.', {
            status: 403
        });
    } else {
        let method = request.method;
        let request_headers = request.headers;
        let new_request_headers = new Headers(request_headers);

        new_request_headers.set('Host', upstream_domain);
        new_request_headers.set('Referer', url.protocol + '//' + url_hostname);

        let original_response = await fetch(url.href, {
            method: method,
            headers: new_request_headers
        })

        connection_upgrade = new_request_headers.get("Upgrade");
        if (connection_upgrade && connection_upgrade.toLowerCase() == "websocket") {
            return original_response;
        }

        let original_response_clone = original_response.clone();
        let original_text = null;
        let response_headers = original_response.headers;
        let new_response_headers = new Headers(response_headers);
        let status = original_response.status;

        if (disable_cache) {
            new_response_headers.set('Cache-Control', 'no-store');
        }

        new_response_headers.set('access-control-allow-origin', '*');
        new_response_headers.set('access-control-allow-credentials', true);
        new_response_headers.delete('content-security-policy');
        new_response_headers.delete('content-security-policy-report-only');
        new_response_headers.delete('clear-site-data');

        if (new_response_headers.get("x-pjax-url")) {
            new_response_headers.set("x-pjax-url", response_headers.get("x-pjax-url").replace("//" + upstream_domain, "//" + url_hostname));
        }

        const content_type = new_response_headers.get('content-type');
        if (content_type != null && content_type.includes('text/html') && content_type.includes('UTF-8')) {
            original_text = await replace_response_text(original_response_clone, upstream_domain, url_hostname);
        } else {
            original_text = original_response_clone.body
        }

        response = new Response(original_text, {
            status,
            headers: new_response_headers
        })
    }
    return response;
}

async function replace_response_text(response, upstream_domain, host_name) {
    let text = await response.text()

    var i, j;
    for (i in replace_dict) {
        j = replace_dict[i]
        if (i == '$upstream') {
            i = upstream_domain
        } else if (i == '$custom_domain') {
            i = host_name
        }

        if (j == '$upstream') {
            j = upstream_domain
        } else if (j == '$custom_domain') {
            j = host_name
        }

        let re = new RegExp(i, 'g')
        text = text.replace(re, j);
    }
    return text;
}


async function device_status(user_agent_info) {
    var agents = ["Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod"];
    var flag = true;
    for (var v = 0; v < agents.length; v++) {
        if (user_agent_info.indexOf(agents[v]) > 0) {
            flag = false;
            break;
        }
    }
    return flag;
}
// 代理网站 const upstream = 'xxx-my.sharepoint.com' // 代理网站的目录 const upstream_path = '/' // 手机用户代理网站 const upstream_mobile = 'xxx-my.sharepoint.com' // 屏蔽国家和地区 const blocked_region = ['KP', 'SY', 'PK', 'CU'] // 屏蔽 IP 地址 const blocked_ip_address = ['0.0.0.0', '127.0.0.1'] // 源站是否开启 HTTPS const https = true // 是否允许浏览器缓存 const disable_cache = false // 文本替换 const replace_dict = { '$upstream': '$custom_domain', '//sharepoint.com': '' } // 以下无需修改 addEventListener('fetch', event => { event.respondWith(fetchAndApply(event.request)); }) async function fetchAndApply(request) { const region = request.headers.get('cf-ipcountry').toUpperCase(); const ip_address = request.headers.get('cf-connecting-ip'); const user_agent = request.headers.get('user-agent'); let response = null; let url = new URL(request.url); let url_hostname = url.hostname; if (https == true) { url.protocol = 'https:'; } else { url.protocol = 'http:'; } if (await device_status(user_agent)) { var upstream_domain = upstream; } else { var upstream_domain = upstream_mobile; } url.host = upstream_domain; if (url.pathname == '/') { url.pathname = upstream_path; } else { url.pathname = upstream_path + url.pathname; } if (blocked_region.includes(region)) { response = new Response('Access denied: WorkersProxy is not available in your region yet.', { status: 403 }); } else if (blocked_ip_address.includes(ip_address)) { response = new Response('Access denied: Your IP address is blocked by WorkersProxy.', { status: 403 }); } else { let method = request.method; let request_headers = request.headers; let new_request_headers = new Headers(request_headers); new_request_headers.set('Host', upstream_domain); new_request_headers.set('Referer', url.protocol + '//' + url_hostname); let original_response = await fetch(url.href, { method: method, headers: new_request_headers }) connection_upgrade = new_request_headers.get("Upgrade"); if (connection_upgrade && connection_upgrade.toLowerCase() == "websocket") { return original_response; } let original_response_clone = original_response.clone(); let original_text = null; let response_headers = original_response.headers; let new_response_headers = new Headers(response_headers); let status = original_response.status; if (disable_cache) { new_response_headers.set('Cache-Control', 'no-store'); } new_response_headers.set('access-control-allow-origin', '*'); new_response_headers.set('access-control-allow-credentials', true); new_response_headers.delete('content-security-policy'); new_response_headers.delete('content-security-policy-report-only'); new_response_headers.delete('clear-site-data'); if (new_response_headers.get("x-pjax-url")) { new_response_headers.set("x-pjax-url", response_headers.get("x-pjax-url").replace("//" + upstream_domain, "//" + url_hostname)); } const content_type = new_response_headers.get('content-type'); if (content_type != null && content_type.includes('text/html') && content_type.includes('UTF-8')) { original_text = await replace_response_text(original_response_clone, upstream_domain, url_hostname); } else { original_text = original_response_clone.body } response = new Response(original_text, { status, headers: new_response_headers }) } return response; } async function replace_response_text(response, upstream_domain, host_name) { let text = await response.text() var i, j; for (i in replace_dict) { j = replace_dict[i] if (i == '$upstream') { i = upstream_domain } else if (i == '$custom_domain') { i = host_name } if (j == '$upstream') { j = upstream_domain } else if (j == '$custom_domain') { j = host_name } let re = new RegExp(i, 'g') text = text.replace(re, j); } return text; } async function device_status(user_agent_info) { var agents = ["Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod"]; var flag = true; for (var v = 0; v < agents.length; v++) { if (user_agent_info.indexOf(agents[v]) > 0) { flag = false; break; } } return flag; }

反代代码2

addEventListener('fetch', event => {
event.respondWith(handleRequest(event.request))
})
const specialCases = {
"*": {
"Origin": "DELETE",
"Referer": "DELETE"
}
}
function handleSpecialCases(request) {
const url = new URL(request.url);
const rules = specialCases[url.hostname] || specialCases["*"];
for (const [key, value] of Object.entries(rules)) {
switch (value) {
case "KEEP":
break;
case "DELETE":
request.headers.delete(key);
break;
default:
request.headers.set(key, value);
break;
}
}
}
async function handleRequest(request) {
const url = new URL(request.url);
if (url.pathname === "/") {
return new Response(`<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>转发服务使用指南</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
background: #f4f4f4;
}
.container {
width: 80%;
margin: auto;
overflow: hidden;
}
header {
background: #333;
color: #fff;
padding: 20px;
text-align: center;
}
section {
padding: 20px;
margin-bottom: 20px;
}
.example {
background: #fff;
padding: 20px;
border-radius: 4px;
}
h2 {
color: #333;
}
code {
background: #ddd;
padding: 2px 6px;
border-radius: 4px;
display: inline-block;
margin: 0 5px;
}
</style>
</head>
<body>
<header>
<h1>转发服务使用指南</h1>
</header>
<div class="container">
<section>
<h2>简介</h2>
<p>本服务是一个轻量级的https请求转发代理,可以帮助您绕过某些网络限制,或者在开发过程中模拟https请求。该转发接口基于Cloudflare构建,以提供快速且安全的服务体验。</p>
</section>
<section>
<h2>服务域名</h2>
<ul>
<li><strong>通用转发服务:</strong><code>https://f.ksmlc.us.kg/</code></li>
</ul>
</section>
<section>
<h2>如何使用转发服务</h2>
<section class="example">
<h3>通用转发示例</h3>
<p><strong>转发服务域名:</strong><code>https://f.ksmlc.us.kg/</code></p>
<p><strong>示例1</strong>要访问<code>https://example.com/</code>,请使用以下URL:</p>
<p><code>https://f.ksmlc.us.kg/https://example.com/</code></p>
<p><strong>示例2</strong>要下载<code>https://cloud.ksmlc.cn/f/bmlsD/Clash.Verge_2.0.1_x64-setup.exe</code>,请使用以下URL:</p>
<p><code>https://f.ksmlc.us.kg/https://cloud.ksmlc.cn/f/bmlsD/Clash.Verge_2.0.1_x64-setup.exe</code></p>
<p><strong>总结:</strong>转发服务域名+访问的地址</p>
</section>
</section>
</div>
</body>
</html>`,{
headers: {
'content-type': 'text/html;charset=UTF-8',
},
status: 200 // 确保状态码是200
});
};
const actualUrlStr = url.pathname.replace("/", "") + url.search + url.hash;
const actualUrl = new URL(actualUrlStr);
const modifiedRequest = new Request(actualUrl, {
headers: request.headers,
method: request.method,
body: request.body,
redirect: 'follow'
});
handleSpecialCases(modifiedRequest);
const response = await fetch(modifiedRequest);
const modifiedResponse = new Response(response.body, response);
modifiedResponse.headers.set('Access-Control-Allow-Origin', '*');
return modifiedResponse;
}
addEventListener('fetch', event => {
  event.respondWith(handleRequest(event.request))
  })
  const specialCases = {
  "*": {
    "Origin": "DELETE",
    "Referer": "DELETE"
  }
  }
  function handleSpecialCases(request) {
  const url = new URL(request.url);
  const rules = specialCases[url.hostname] || specialCases["*"];
  for (const [key, value] of Object.entries(rules)) {
    switch (value) {
    case "KEEP":
      break;
    case "DELETE":
      request.headers.delete(key);
      break;
    default:
      request.headers.set(key, value);
      break;
    }
  }
  }
  async function handleRequest(request) {
  const url = new URL(request.url);
  if (url.pathname === "/") {
    return new Response(`<!DOCTYPE html>
  <html lang="zh-CN">
  
  <head>
  <meta charset="UTF-8">
  <title>转发服务使用指南</title>
  <style>
    body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    }
  
    .container {
    width: 80%;
    margin: auto;
    overflow: hidden;
    }
  
    header {
    background: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
    }
  
    section {
    padding: 20px;
    margin-bottom: 20px;
    }
  
    .example {
    background: #fff;
    padding: 20px;
    border-radius: 4px;
    }
  
    h2 {
    color: #333;
    }
  
    code {
    background: #ddd;
    padding: 2px 6px;
    border-radius: 4px;
    display: inline-block;
    margin: 0 5px;
    }
  </style>
  </head>
  
  <body>
  <header>
    <h1>转发服务使用指南</h1>
  </header>
  <div class="container">
    <section>
    <h2>简介</h2>
    <p>本服务是一个轻量级的https请求转发代理,可以帮助您绕过某些网络限制,或者在开发过程中模拟https请求。该转发接口基于Cloudflare构建,以提供快速且安全的服务体验。</p>
    </section>
    <section>
    <h2>服务域名</h2>
    <ul>
      <li><strong>通用转发服务:</strong><code>https://f.ksmlc.us.kg/</code></li>
    </ul>
    </section>
    <section>
      <h2>如何使用转发服务</h2>
    <section class="example">
      <h3>通用转发示例</h3>
      <p><strong>转发服务域名:</strong><code>https://f.ksmlc.us.kg/</code></p>
      <p><strong>示例1:</strong>要访问<code>https://example.com/</code>,请使用以下URL:</p>
      <p><code>https://f.ksmlc.us.kg/https://example.com/</code></p>
      <p><strong>示例2:</strong>要下载<code>https://cloud.ksmlc.cn/f/bmlsD/Clash.Verge_2.0.1_x64-setup.exe</code>,请使用以下URL:</p>
      <p><code>https://f.ksmlc.us.kg/https://cloud.ksmlc.cn/f/bmlsD/Clash.Verge_2.0.1_x64-setup.exe</code></p>
        <p><strong>总结:</strong>转发服务域名+访问的地址</p>
      </section>
    </section>
  </div>
  </body>
  
  </html>`,{
  headers: {
    'content-type': 'text/html;charset=UTF-8',
  },
  status: 200 // 确保状态码是200
  });
  };
  const actualUrlStr = url.pathname.replace("/", "") + url.search + url.hash;
  const actualUrl = new URL(actualUrlStr);
  const modifiedRequest = new Request(actualUrl, {
    headers: request.headers,
    method: request.method,
    body: request.body,
    redirect: 'follow'
  });
  handleSpecialCases(modifiedRequest);
  const response = await fetch(modifiedRequest);
  const modifiedResponse = new Response(response.body, response);
  modifiedResponse.headers.set('Access-Control-Allow-Origin', '*');
  return modifiedResponse;
  }
addEventListener('fetch', event => { event.respondWith(handleRequest(event.request)) }) const specialCases = { "*": { "Origin": "DELETE", "Referer": "DELETE" } } function handleSpecialCases(request) { const url = new URL(request.url); const rules = specialCases[url.hostname] || specialCases["*"]; for (const [key, value] of Object.entries(rules)) { switch (value) { case "KEEP": break; case "DELETE": request.headers.delete(key); break; default: request.headers.set(key, value); break; } } } async function handleRequest(request) { const url = new URL(request.url); if (url.pathname === "/") { return new Response(`<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <title>转发服务使用指南</title> <style> body { font-family: Arial, sans-serif; margin: 0; padding: 0; background: #f4f4f4; } .container { width: 80%; margin: auto; overflow: hidden; } header { background: #333; color: #fff; padding: 20px; text-align: center; } section { padding: 20px; margin-bottom: 20px; } .example { background: #fff; padding: 20px; border-radius: 4px; } h2 { color: #333; } code { background: #ddd; padding: 2px 6px; border-radius: 4px; display: inline-block; margin: 0 5px; } </style> </head> <body> <header> <h1>转发服务使用指南</h1> </header> <div class="container"> <section> <h2>简介</h2> <p>本服务是一个轻量级的https请求转发代理,可以帮助您绕过某些网络限制,或者在开发过程中模拟https请求。该转发接口基于Cloudflare构建,以提供快速且安全的服务体验。</p> </section> <section> <h2>服务域名</h2> <ul> <li><strong>通用转发服务:</strong><code>https://f.ksmlc.us.kg/</code></li> </ul> </section> <section> <h2>如何使用转发服务</h2> <section class="example"> <h3>通用转发示例</h3> <p><strong>转发服务域名:</strong><code>https://f.ksmlc.us.kg/</code></p> <p><strong>示例1:</strong>要访问<code>https://example.com/</code>,请使用以下URL:</p> <p><code>https://f.ksmlc.us.kg/https://example.com/</code></p> <p><strong>示例2:</strong>要下载<code>https://cloud.ksmlc.cn/f/bmlsD/Clash.Verge_2.0.1_x64-setup.exe</code>,请使用以下URL:</p> <p><code>https://f.ksmlc.us.kg/https://cloud.ksmlc.cn/f/bmlsD/Clash.Verge_2.0.1_x64-setup.exe</code></p> <p><strong>总结:</strong>转发服务域名+访问的地址</p> </section> </section> </div> </body> </html>`,{ headers: { 'content-type': 'text/html;charset=UTF-8', }, status: 200 // 确保状态码是200 }); }; const actualUrlStr = url.pathname.replace("/", "") + url.search + url.hash; const actualUrl = new URL(actualUrlStr); const modifiedRequest = new Request(actualUrl, { headers: request.headers, method: request.method, body: request.body, redirect: 'follow' }); handleSpecialCases(modifiedRequest); const response = await fetch(modifiedRequest); const modifiedResponse = new Response(response.body, response); modifiedResponse.headers.set('Access-Control-Allow-Origin', '*'); return modifiedResponse; }

我这里以反代OneDrive为例,然后点击右边的【部署】即可完成反代。

image

绑定自己域名

.workers.dev​域名处于被墙状态,你可以绑定你自己的域名,但是你的域名必须交给CF托管。

image

image

然后此域名会自动解析绑定,就可以通过你自己的域名访问了。

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