iceshrimp-legacy/packages/backend/src/server/proxy/index.ts

/**
 * Media Proxy
 */

import Koa from "koa";
import cors from "@koa/cors";
import Router from "@koa/router";
import { proxyMedia } from "./proxy-media.js";

// Init app
const app = new Koa();
app.use(cors());
app.use(async (ctx, next) => {
	ctx.set(
		"Content-Security-Policy",
		`default-src 'none'; img-src 'self'; media-src 'self'; style-src 'unsafe-inline'`,
	);
	await next();
});

// Init router
const router = new Router();

router.get("/:url*", proxyMedia);

// Register router
app.use(router.routes());

export default app;