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import { Config, Snowflake } from "@fosscord/util";
import crypto from "crypto";
import { Request, Response, Router } from "express";
import FileType from "file-type";
import { HTTPError } from "lambert-server";
import { multer } from "../util/multer";
import { storage } from "../util/Storage";
// 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("/", 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 { guild_id, user_id } = req.params;
let 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_${hash}`; // animated icons have a_ infront of the hash
const path = `guilds/${guild_id}/users/${user_id}/avatars/${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("/", async (req: Request, res: Response) => {
let { guild_id, user_id } = req.params;
user_id = user_id.split(".")[0]; // remove .file extension
const path = `guilds/${guild_id}/users/${user_id}/avatars`;
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("/:hash", async (req: Request, res: Response) => {
let { guild_id, user_id, hash } = req.params;
hash = hash.split(".")[0]; // remove .file extension
const path = `guilds/${guild_id}/users/${user_id}/avatars/${hash}`;
const file = await storage.get(path);
if (!file) throw new HTTPError("not found", 404);
const type = await FileType.fromBuffer(file);
res.set("Content-Type", type?.mime);
res.set("Cache-Control", "public, max-age=31536000");
return res.send(file);
});
router.delete("/:id", async (req: Request, res: Response) => {
if (req.headers.signature !== Config.get().security.requestSignature) throw new HTTPError("Invalid request signature");
const { guild_id, user_id, id } = req.params;
const path = `guilds/${guild_id}/users/${user_id}/avatars/${id}`;
await storage.delete(path);
return res.send({ success: true });
});
export default router;
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