refactoring

Resolve #7779

packages/backend/src/server/proxy/index.ts

@@ -0,0 +1,26 @@
+/**
+ * Media Proxy
+ */
+
+import * as Koa from 'koa';
+import * as cors from '@koa/cors';
+import * as Router from '@koa/router';
+import { proxyMedia } from './proxy-media';
+
+// Init app
+const app = new Koa();
+app.use(cors());
+app.use(async (ctx, next) => {
+	ctx.set('Content-Security-Policy', `default-src 'none'; style-src 'unsafe-inline'`);
+	await next();
+});
+
+// Init router
+const router = new Router();
+
+router.get('/:url*', proxyMedia);
+
+// Register router
+app.use(router.routes());
+
+module.exports = app;