Cloudflare Worker 中转

  const TELEGRAPH_URL = 'https://api.openai.com';

addEventListener('fetch', (event) => {
  event.respondWith(handleRequest(event.request));
});

async function handleRequest(request) {
  // 安全校验
  if (request.headers.get('auth') !== 'auth_code') {
    return new Response('UnAuthorization', { status: 403 });
  }

  const url = new URL(request.url);
  url.host = TELEGRAPH_URL.replace(/^https?:\/\//, '');

  const modifiedRequest = new Request(url.toString(), {
    headers: request.headers,
    method: request.method,
    body: request.body,
    redirect: 'follow'
  });

  const response = await fetch(modifiedRequest);
  const modifiedResponse = new Response(response.body, response);

  // 添加允许跨域访问的响应头
  modifiedResponse.headers.set('Access-Control-Allow-Origin', '*');

  return modifiedResponse;
}
  

  OPENAI_BASE_URL=https://xxxxxx/v1
OPENAI_BASE_URL_AUTH=auth_code