import { Router, Response, Request } from "express"; import { Config, Snowflake } from "@fosscord/util"; import { storage } from "../util/Storage"; import FileType from "file-type"; import { HTTPError } from "lambert-server"; import crypto from "crypto"; import { multer } from "../util/multer"; // TODO: check premium and animated pfp are allowed in the config // TODO: generate different sizes of icon // TODO: generate different image types of icon // TODO: delete old icons const ANIMATED_MIME_TYPES = ["image/apng", "image/gif", "image/gifv"]; const STATIC_MIME_TYPES = [ "image/png", "image/jpeg", "image/webp", "image/svg+xml", "image/svg", ]; const ALLOWED_MIME_TYPES = [...ANIMATED_MIME_TYPES, ...STATIC_MIME_TYPES]; const router = Router(); router.post( "/:user_id", multer.single("file"), async (req: Request, res: Response) => { if (req.headers.signature !== Config.get().security.requestSignature) throw new HTTPError("Invalid request signature"); if (!req.file) throw new HTTPError("Missing file"); const { buffer, mimetype, size, originalname, fieldname } = req.file; const { user_id } = req.params; var hash = crypto .createHash("md5") .update(Snowflake.generate()) .digest("hex"); const type = await FileType.fromBuffer(buffer); if (!type || !ALLOWED_MIME_TYPES.includes(type.mime)) throw new HTTPError("Invalid file type"); if (ANIMATED_MIME_TYPES.includes(type.mime)) hash = `a_${hash}`; // animated icons have a_ infront of the hash const path = `avatars/${user_id}/${hash}`; const endpoint = Config.get().cdn.endpointPublic || "http://localhost:3003"; await storage.set(path, buffer); return res.json({ id: hash, content_type: type.mime, size, url: `${endpoint}${req.baseUrl}/${user_id}/${hash}`, }); }, ); router.get("/:user_id", async (req: Request, res: Response) => { var { user_id } = req.params; user_id = user_id.split(".")[0]; // remove .file extension const path = `avatars/${user_id}`; const file = await storage.get(path); if (!file) throw new HTTPError("not found", 404); const type = await FileType.fromBuffer(file); res.set("Content-Type", type?.mime); res.set("Cache-Control", "public, max-age=31536000"); return res.send(file); }); export const getAvatar = async (req: Request, res: Response) => { var { user_id, hash } = req.params; hash = hash.split(".")[0]; // remove .file extension const path = `avatars/${user_id}/${hash}`; const file = await storage.get(path); if (!file) throw new HTTPError("not found", 404); const type = await FileType.fromBuffer(file); res.set("Content-Type", type?.mime); res.set("Cache-Control", "public, max-age=31536000"); return res.send(file); }; router.get("/:user_id/:hash", getAvatar); router.delete("/:user_id/:id", async (req: Request, res: Response) => { if (req.headers.signature !== Config.get().security.requestSignature) throw new HTTPError("Invalid request signature"); const { user_id, id } = req.params; const path = `avatars/${user_id}/${id}`; await storage.delete(path); return res.send({ success: true }); }); export default router;