Created
December 24, 2022 08:17
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CF Workers Proxy
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// Var apiAuthorization as key | |
// Header apihost | |
// Header apiAuthorization as key | |
addEventListener('fetch', event => { | |
event.respondWith(handleRequest(event.request)) | |
}) | |
const defaultPage = '<!DOCTYPE html><html><head><title>Welcome to nginx!</title><style>body{width:35em;margin:0 auto;font-family:Tahoma,Verdana,Arial,sans-serif}</style></head><body><h1>Welcome to nginx!</h1><p>If you see this page,the nginx web server is successfully installed and working.Further configuration is required.</p><p>For online documentation and support please refer to<a href="http://nginx.org/">nginx.org</a>.<br/>Commercial support is available at<a href="http://nginx.com/">nginx.com</a>.</p><p><em>Thank you for using nginx.</em></p></body></html>'; | |
const defaultInit = { | |
status: 200, | |
headers: { | |
'Content-Type': 'text/html;charset=UTF-8' | |
} | |
} | |
const allowMethods = new Array('GET','POST','PUT','PATCH','DELETE','HEAD','OPTIONS'); | |
const removeHeaders = new Array('apihost','apiauthorization','host','cf-connecting-ip','cf-ipcountry','cf-ray','cf-visitor','x-real-ip'); | |
function checkPermission(headers) { | |
if (!headers.has('apihost')) | |
{ | |
return false; | |
} | |
if (headers.get('apiAuthorization') === apiAuthorization) | |
{ | |
return true; | |
} else { | |
return false; | |
} | |
} | |
function genURL(originalRequest) { | |
const url = new URL(originalRequest.url); | |
url.host = originalRequest.headers.get('apihost'); | |
return url; | |
} | |
async function handleRequest(request) { | |
if (!checkPermission(request.headers)) | |
{ | |
return new Response(defaultPage,defaultInit); | |
} | |
if (!allowMethods.includes(request.method)) | |
{ | |
return new Response(defaultPage,defaultInit); | |
} | |
const reqUrl = genURL(request); | |
const reqHeaders = new Headers(request.headers); | |
removeHeaders.forEach(element => reqHeaders.delete(element)); | |
let reqInit = { | |
method: request.method, | |
headers: reqHeaders, | |
redirect: 'follow', | |
body: request.body, | |
}; | |
return await fetch(reqUrl,reqInit); | |
} |
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