Initiate repository

src/main.js

@@ -1,173 +0,0 @@
-const corsHeaders = {
-  'Access-Control-Allow-Origin': '*',
-  'Access-Control-Allow-Methods': 'GET,HEAD,POST,OPTIONS',
-  'Access-Control-Max-Age': '86400',
-};
-
-async function handleRequest(oRequest, destination, iteration = 0) {
-  console.log(
-    `PROXYING ${destination}${iteration ? ' ON ITERATION ' + iteration : ''}`,
-  );
-
-  // Create a new mutable request object for the destination
-  const request = new Request(destination, oRequest);
-  request.headers.set('Origin', new URL(destination).origin);
-
-  // TODO - Make cookie handling better. PHPSESSID overwrites all other cookie related headers
-
-  // Add custom X headers from client
-  // These headers are usually forbidden to be set by fetch
-  if (oRequest.headers.has('X-Cookie')) {
-    request.headers.set('Cookie', oRequest.headers.get('X-Cookie'));
-    request.headers.delete('X-Cookie');
-  }
-
-  if (request.headers.has('X-Referer')) {
-    request.headers.set('Referer', request.headers.get('X-Referer'));
-    request.headers.delete('X-Referer');
-  }
-
-  if (request.headers.has('X-Origin')) {
-    request.headers.set('Origin', request.headers.get('X-Origin'));
-    request.headers.delete('X-Origin');
-  }
-
-  // Set PHPSESSID cookie
-  if (request.headers.get('PHPSESSID')) {
-    request.headers.set(
-      'Cookie',
-      `PHPSESSID=${request.headers.get('PHPSESSID')}`,
-    );
-  }
-
-  // Set User Agent, if not exists
-  const useragent = request.headers.get('User-Agent');
-  if (!useragent) {
-    request.headers.set(
-      'User-Agent',
-      'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:93.0) Gecko/20100101 Firefox/93.0',
-    );
-  }
-
-  // Fetch the new resource
-  const oResponse = await fetch(request.clone());
-
-  // If the server returned a redirect, follow it
-  if (
-    (oResponse.status === 302 || oResponse.status === 301) &&
-    oResponse.headers.get('location')
-  ) {
-    // Server tried to redirect too many times
-    if (iteration > 5) {
-      return new Response('418 Too many redirects', {
-        status: 418,
-      });
-    }
-
-    // Handle and return the request for the redirected destination
-    return await handleRequest(
-      request,
-      oResponse.headers.get('location'),
-      iteration + 1,
-    );
-  }
-
-  // Create mutable response using the original response as init
-  const response = new Response(oResponse.body, oResponse);
-
-  // Set CORS headers
-  response.headers.set('Access-Control-Allow-Origin', '*');
-  response.headers.set('Access-Control-Expose-Headers', '*');
-
-  const cookiesToSet = response.headers.get('Set-Cookie');
-
-  // Transfer Set-Cookie to X-Set-Cookie
-  // Normally the Set-Cookie header is not accessible to fetch clients
-  if (cookiesToSet) {
-    response.headers.set('X-Set-Cookie', response.headers.get('Set-Cookie'));
-  }
-
-  // Set PHPSESSID cookie
-  if (
-    cookiesToSet &&
-    cookiesToSet.includes('PHPSESSID') &&
-    cookiesToSet.includes(';')
-  ) {
-    let phpsessid = cookiesToSet.slice(cookiesToSet.search('PHPSESSID') + 10);
-    phpsessid = phpsessid.slice(0, phpsessid.search(';'));
-
-    response.headers.set('PHPSESSID', phpsessid);
-  }
-
-  // Append to/Add Vary header so browser will cache response correctly
-  response.headers.append('Vary', 'Origin');
-
-  // Add X-Final-Destination header to get the final url
-  response.headers.set('X-Final-Destination', oResponse.url);
-
-  return response;
-}
-
-function handleOptions(request) {
-  // Make sure the necessary headers are present
-  // for this to be a valid pre-flight request
-  const headers = request.headers;
-  let response = new Response(null, {
-    headers: {
-      Allow: 'GET, HEAD, POST, OPTIONS',
-    },
-  });
-
-  if (
-    headers.get('Origin') !== null &&
-    headers.get('Access-Control-Request-Method') !== null &&
-    headers.get('Access-Control-Request-Headers') !== null
-  ) {
-    response = new Response(null, {
-      headers: {
-        ...corsHeaders,
-        // Allow all future content Request headers to go back to browser
-        // such as Authorization (Bearer) or X-Client-Name-Version
-        'Access-Control-Allow-Headers': request.headers.get(
-          'Access-Control-Request-Headers',
-        ),
-      },
-    });
-  }
-
-  return response;
-}
-
-addEventListener('fetch', (event) => {
-  const request = event.request;
-  const url = new URL(request.url);
-  const destination = url.searchParams.get('destination');
-
-  console.log(`HTTP ${request.method} - ${request.url}`);
-
-  let response = new Response('404 Not Found', {
-    status: 404,
-  });
-
-  if (request.method === 'OPTIONS') {
-    // Handle CORS preflight requests
-    response = handleOptions(request);
-  } else if (!destination) {
-    response = new Response('200 OK', {
-      status: 200,
-      headers: {
-        Allow: 'GET, HEAD, POST, OPTIONS',
-        'Access-Control-Allow-Origin': '*',
-      },
-    });
-  } else if (
-    request.method === 'GET' ||
-    request.method === 'HEAD' ||
-    request.method === 'POST'
-  ) {
-    // Handle request
-    response = handleRequest(request, destination);
-  }
-
-  event.respondWith(response);
-});