68 lines
2.1 KiB
TypeScript
68 lines
2.1 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 { Request, Response, Router } from "express";
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import FileType from "file-type";
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import fs from "fs/promises";
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import { HTTPError } from "lambert-server";
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import { join } from "path";
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const defaultAvatarHashMap = new Map([
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["0", "1f0bfc0865d324c2587920a7d80c609b"],
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["1", "c09a43a372ba81e3018c3151d4ed4773"],
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["2", "7c8f476123d28d103efe381543274c25"],
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["3", "6f26ddd1bf59740c536d2274bb834a05"],
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["4", "3c6ccb83716d1e4fb91d3082f6b21d77"],
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["5", "4c1b599b1ef5b9f1874fdb9933f3e03b"],
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]);
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const router = Router();
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async function getFile(path: string) {
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try {
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return fs.readFile(path);
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} catch (error) {
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try {
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const files = await fs.readdir(path);
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if (!files.length) return null;
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return fs.readFile(join(path, files[0]));
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} catch (error) {
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return null;
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}
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}
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}
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router.get("/avatars/:id", async (req: Request, res: Response) => {
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let { id } = req.params;
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id = id.split(".")[0]; // remove .file extension
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const hash = defaultAvatarHashMap.get(id);
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if (!hash) throw new HTTPError("not found", 404);
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const path = join(process.cwd(), "assets", "public", `${hash}.png`);
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const file = await getFile(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 default router;
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