cdn: avatar decorations

src/cdn/Server.ts

@@ -100,10 +100,10 @@ export class CDNServer extends Server {
         console.log("[Server] Route /channel-icons registered");
 
         this.app.use("/guilds/:guild_id/users/:user_id/avatars", guildProfilesRoute);
-        console.log("[Server] Route /guilds/avatars registered");
+        console.log("[Server] Route /guilds/:guild_id/users/:user_id/avatars registered");
 
         this.app.use("/guilds/:guild_id/users/:user_id/banners", guildProfilesRoute);
-        console.log("[Server] Route /guilds/banners registered");
+        console.log("[Server] Route /guilds/:guild_id/users/:user_id/banners registered");
 
         return super.start();
     }

src/cdn/routes/avatar-decoration-presets.ts

@@ -0,0 +1,40 @@
+/*
+	Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
+	Copyright (C) 2023 Spacebar and Spacebar Contributors
+	
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Affero General Public License as published
+	by the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+	
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Affero General Public License for more details.
+	
+	You should have received a copy of the GNU Affero General Public License
+	along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import { Router, Response, Request } from "express";
+import { storage } from "../util/Storage";
+import { HTTPError } from "lambert-server";
+import { fileTypeFromBuffer } from "file-type";
+import { cache } from "../util/cache";
+
+const router = Router({ mergeParams: true });
+
+router.get("/:avatar_decoration_data_asset", cache, async (req: Request, res: Response) => {
+    const { avatar_decoration_data_asset } = req.params as { [key: string]: string };
+    const path = `avatar-decoration-presets/${avatar_decoration_data_asset}`;
+
+    const file = await storage.get(path);
+    if (!file) throw new HTTPError("not found", 404);
+    const type = await fileTypeFromBuffer(file);
+
+    res.set("Content-Type", type?.mime);
+
+    return res.send(file);
+});
+
+export default router;