// save as poc.js
//
// Usage:
// npm install express node-fetch
// node poc.js
// open http://localhost:3000 in browser
import express from "express";
import fetch from "node-fetch";
const app = express();
const PORT = 3000;
// Serve the PoC HTML
app.get("/", (req, res) => {
res.type("html").send(`
Celtra API Unauthenticated PoC (via Proxy)
Celtra API Test (Unauthenticated, Server-side Proxy)
Result will appear here…
`);
});
// Proxy endpoint: browser -> this server -> Celtra API (no CORS in backend)
app.get("/celtra/creatives/:id", async (req, res) => {
const id = req.params.id;
try {
const upstream = await fetch(`https://hub.celtra.com/api/creatives/${encodeURIComponent(id)}`);
const body = await upstream.text();
res.setHeader(
"Content-Type",
upstream.headers.get("content-type") || "application/json; charset=utf-8"
);
res.status(upstream.status).send(body);
} catch (err) {
res.status(502).json({ error: "Upstream fetch failed", detail: String(err) });
}
});
app.listen(PORT, () => {
console.log("PoC running on http://localhost:" + PORT);
});