112 lines
3.1 KiB
TypeScript
112 lines
3.1 KiB
TypeScript
/*
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Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
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Copyright (C) 2023 Spacebar and Spacebar 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", "4a8562cf00887030c416d3ec2d46385a"],
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["1", "9b0bb198936784c45c72833cc426cc55"],
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["2", "22341bdb500c7b63a93bbce957d1601e"],
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["3", "d9977836b82058bf2f74eebd50edc095"],
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["4", "9d6ddb4e4d899a533a8cc617011351c9"],
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["5", "7213ab6677377974697dfdfbaf5f6a6f"],
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]);
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const defaultGroupDMAvatarHashMap = new Map([
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["0", "3b70bb66089c60f8be5e214bf8574c9d"],
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["1", "9581acd31832465bdeaa5385b0e919a3"],
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["2", "a8a4727cf2dc2939bd3c657fad4463fa"],
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["3", "2e46fe14586f8e95471c0917f56726b5"],
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["4", "fac7e78de9753d4a37083bba74c1d9ef"],
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["5", "4ab900144b0865430dc9be825c838faa"],
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["6", "1276374a404452756f3c9cc2601508a5"],
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["7", "904bf9f1b61f53ef4a3b7a893afeabe3"],
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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(
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__dirname,
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"..",
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"..",
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"..",
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"assets",
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"public",
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`${hash}.png`,
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);
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const file = await getFile(path);
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if (!file) throw new HTTPError("not found", 404);
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const type = await FileType.fromBuffer(file);
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res.set("Content-Type", type?.mime);
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res.set("Cache-Control", "public, max-age=31536000");
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return res.send(file);
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});
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router.get("/group-avatars/:id", async (req: Request, res: Response) => {
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let { id } = req.params;
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id = id.split(".")[0]; // remove .file extension
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const hash = defaultGroupDMAvatarHashMap.get(id);
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if (!hash) throw new HTTPError("not found", 404);
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const path = join(
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__dirname,
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"..",
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"..",
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"..",
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"assets",
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"public",
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`${hash}.png`,
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);
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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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