const express = require('express'); const proxy = require('express-http-proxy'); const app = express(); const targetUrl = 'https://api.openai.com'; const openaiKey = process.env.OPENAI_KEY const port = 7860; const baseUrl = getExternalUrl(process.env.SPACE_ID); app.use('/api', proxy(targetUrl, { proxyReqOptDecorator: (proxyReqOpts, srcReq) => { // Modify the request headers if necessary proxyReqOpts.headers['Authorization'] = 'Bearer '+openaiKey; return proxyReqOpts; }, })); app.get("/", (req, res) => { res.send(`This is your OpenAI Reverse Proxy URL: ${baseUrl}`); }); function getExternalUrl(spaceId) { try { const [username, spacename] = spaceId.split("/"); return `https://${username}-${spacename.replace(/_/g, "-")}.hf.space/api/v1${openaiKey}`; } catch (e) { return ""; } } app.listen(port, () => { console.log(`Reverse proxy server running on ${baseUrl}`); });