Cloudflare Worker 零成本搭建 ChatGPT API 反向代理#

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// 核心代码逻辑（简化版）
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addEventListener('fetch', event => {
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  event.respondWith(handleRequest(event.request))
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})
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async function handleRequest(request) {
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  const url = new URL(request.url)
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  // 验证访问密码
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  const auth = request.headers.get('Authorization')
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  if (!auth || !auth.includes(PASSWORD)) {
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    return new Response('Unauthorized', { status: 401 })
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  }
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  // 转发到 OpenAI API
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  const openaiUrl = 'https://api.openai.com' + url.pathname + url.search
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  const modifiedRequest = new Request(openaiUrl, {
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    method: request.method,
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    headers: {
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      'Authorization': 'Bearer ' + API_KEY,
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      'Content-Type': 'application/json'
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    },
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    body: request.body
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  })
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  return await fetch(modifiedRequest)
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}

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{
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  "model": "gpt-4",
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  "messages": [
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    {"role": "user", "content": "给我现在的时间。WS[现在时间]WS[北京时间]"}
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  ]
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}