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