WorkerTemplate/index.js

// A simple, secure proxy for the Cloudflare API
export default {
  async fetch(request) {
    const corsHeaders = {
      'Access-Control-Allow-Origin': '*',
      'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, OPTIONS',
      'Access-Control-Allow-Headers': 'Authorization, Content-Type',
    };
    if (request.method === 'OPTIONS') {
      return new Response(null, { headers: corsHeaders });
    }
    const url = new URL(request.url);
    const apiUrl = `https://api.cloudflare.com${url.pathname}${url.search}`;
    const newRequest = new Request(apiUrl, request);
    const response = await fetch(newRequest);
    const newResponse = new Response(response.body, response);
    Object.entries(corsHeaders).forEach(([key, value]) => {
      newResponse.headers.set(key, value);
    });
    return newResponse;
  },
};