直接给出Cloudflare Workers代码
const OPENWEBUI_BASE_URL = OPENWEBUI_BASE_URL;
const OPENWEBUI_API_KEY = OPENWEBUI_API_KEY;
const API_KEY = API_KEY;
addEventListener('fetch', event => {
event.respondWith(handleRequest(event.request));
});
async function handleRequest(request) {
if (request.method !== 'POST') {
return new Response('Method Not Allowed', { status: 405 });
}
const apiKey = request.headers.get('Authorization');
if (!apiKey || apiKey !== `Bearer ${API_KEY}`) {
return new Response('Unauthorized', { status: 401 });
}
const contentType = request.headers.get('content-type');
if (!contentType || !contentType.includes('application/json')) {
return new Response('Content-Type must be application/json', { status: 400 });
}
try {
const requestUrl = new URL(request.url);
const path = requestUrl.pathname;
let apiUrl;
switch (path) {
case '/v1/chat/completions':
apiUrl = `${OPENWEBUI_BASE_URL}/api/chat/completions`;
break;
case '/v1/models':
apiUrl = `${OPENWEBUI_BASE_URL}/api/models`;
break;
default:
return new Response('Not Found', { status: 404 });
}
const requestBody = await request.json();
const customResponse = await fetch(apiUrl, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Authorization': `Bearer ${OPENWEBUI_API_KEY}`
},
body: JSON.stringify(requestBody)
});
if (!customResponse.ok) {
throw new Error(`API request failed with status ${customResponse.status}`);
}
const responseData = await customResponse.json();
return new Response(JSON.stringify(responseData), {
headers: { 'Content-Type': 'application/json' }
});
} catch (error) {
return new Response(JSON.stringify({ error: error.message }), {
status: 500,
headers: { 'Content-Type': 'application/json' }
});
}
}
环境变量配置
在 Cloudflare Workers 控制面板中，添加以下环境变量：
-
名称：
OPENWEBUI_BASE_URL
值：替换成Open WebUI的网址(带https) -
名称：
OPENWEBUI_API_KEY
值：替换成你在Open WebUI申请的API密钥 -
名称：
API_KEY
值：你设置的Workers接口保护密钥
