084dc0be08
* Add eslint, switch to lint-staged for precommit * Fix all ESLint errors * Update GH workflow to check prettier and eslint
118 lines
3.9 KiB
TypeScript
118 lines
3.9 KiB
TypeScript
/*
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Fosscord: A FOSS re-implementation and extension of the Discord.com backend.
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Copyright (C) 2023 Fosscord and Fosscord Contributors
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import { Config, Snowflake } from "@fosscord/util";
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import crypto from "crypto";
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import { Request, Response, Router } from "express";
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import FileType from "file-type";
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import { HTTPError } from "lambert-server";
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import { multer } from "../util/multer";
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import { storage } from "../util/Storage";
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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("/", multer.single("file"), 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, size } = req.file;
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const { guild_id, user_id } = req.params;
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let 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_${hash}`; // animated icons have a_ infront of the hash
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const path = `guilds/${guild_id}/users/${user_id}/avatars/${hash}`;
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const endpoint = 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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router.get("/", async (req: Request, res: Response) => {
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const { guild_id } = req.params;
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let { user_id } = req.params;
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user_id = user_id.split(".")[0]; // remove .file extension
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const path = `guilds/${guild_id}/users/${user_id}/avatars`;
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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("/:hash", async (req: Request, res: Response) => {
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const { guild_id, user_id } = req.params;
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let { hash } = req.params;
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hash = hash.split(".")[0]; // remove .file extension
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const path = `guilds/${guild_id}/users/${user_id}/avatars/${hash}`;
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const file = await storage.get(path);
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if (!file) throw new HTTPError("not found", 404);
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const type = await FileType.fromBuffer(file);
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res.set("Content-Type", type?.mime);
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res.set("Cache-Control", "public, max-age=31536000");
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return res.send(file);
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});
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router.delete("/:id", async (req: Request, res: Response) => {
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if (req.headers.signature !== Config.get().security.requestSignature)
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throw new HTTPError("Invalid request signature");
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const { guild_id, user_id, id } = req.params;
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const path = `guilds/${guild_id}/users/${user_id}/avatars/${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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