AI API Proxy
Cloud Functions

const { SecretManagerServiceClient } = require('@google-cloud/secret-manager'); const secretsClient = new SecretManagerServiceClient(); exports.aiProxy = async (req, res) => { // CORS支持 res.set('Access-Control-Allow-Origin', '*'); if (req.method === 'OPTIONS') { res.status(204).send(''); return; } // 从Secret Manager获取API密钥 const [version] = await secretsClient.accessSecretVersion({ name: 'projects/PROJECT_ID/secrets/openai-key/versions/latest' }); const apiKey = version.payload.data.toString(); // 转发请求到AI后端 const response = await fetch('https://api.openai.com/v1/chat/completions', { method: 'POST', headers: { 'Authorization': `Bearer ${apiKey}`, 'Content-Type': 'application/json' }, body: JSON.stringify(req.body) }); const data = await response.json(); res.status(200).json(data); };