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Implement default avatars #979

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Madeline 2023-02-18 12:57:06 +11:00 committed by GitHub
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8 changed files with 67 additions and 1 deletions

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package-lock.json generated
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@ -45,7 +45,6 @@
"probe-image-size": "^7.2.3",
"proxy-agent": "^5.0.0",
"reflect-metadata": "^0.1.13",
"sqlite3": "*",
"ts-node": "^10.9.1",
"tslib": "^2.4.1",
"typeorm": "^0.3.10",

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src/cdn/routes/embed.ts Normal file
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@ -0,0 +1,67 @@
/*
Fosscord: A FOSS re-implementation and extension of the Discord.com backend.
Copyright (C) 2023 Fosscord and Fosscord Contributors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import { Request, Response, Router } from "express";
import FileType from "file-type";
import fs from "fs/promises";
import { HTTPError } from "lambert-server";
import { join } from "path";
const defaultAvatarHashMap = new Map([
["0", "1f0bfc0865d324c2587920a7d80c609b"],
["1", "c09a43a372ba81e3018c3151d4ed4773"],
["2", "7c8f476123d28d103efe381543274c25"],
["3", "6f26ddd1bf59740c536d2274bb834a05"],
["4", "3c6ccb83716d1e4fb91d3082f6b21d77"],
["5", "4c1b599b1ef5b9f1874fdb9933f3e03b"],
]);
const router = Router();
async function getFile(path: string) {
try {
return fs.readFile(path);
} catch (error) {
try {
const files = await fs.readdir(path);
if (!files.length) return null;
return fs.readFile(join(path, files[0]));
} catch (error) {
return null;
}
}
}
router.get("/avatars/:id", async (req: Request, res: Response) => {
let { id } = req.params;
id = id.split(".")[0]; // remove .file extension
const hash = defaultAvatarHashMap.get(id);
if (!hash) throw new HTTPError("not found", 404);
const path = join(process.cwd(), "assets", "public", `${hash}.png`);
const file = await getFile(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);
});
export default router;