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/*
Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
Copyright (C) 2023 Spacebar and Spacebar 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 { Router, Response, Request } from "express";
import { Config, Snowflake } from "@spacebar/util";
import { storage } from "../util/Storage";
import FileType from "file-type";
import { HTTPError } from "lambert-server";
import crypto from "crypto";
import { multer } from "../util/multer";
//Role icons ---> avatars.ts modified
// TODO: check user rights and perks and animated pfp are allowed in the policies
// TODO: generate different sizes of icon
// TODO: generate different image types of icon
const STATIC_MIME_TYPES = [
"image/png",
"image/jpeg",
"image/webp",
"image/svg+xml",
"image/svg",
];
const ALLOWED_MIME_TYPES = [...STATIC_MIME_TYPES];
const router = Router();
router.post(
"/:role_id",
multer.single("file"),
async (req: Request, res: Response) => {
if (req.headers.signature !== Config.get().security.requestSignature)
throw new HTTPError("Invalid request signature");
if (!req.file) throw new HTTPError("Missing file");
const { buffer, size } = req.file;
const { role_id } = req.params;
const hash = crypto
.createHash("md5")
.update(Snowflake.generate())
.digest("hex");
const type = await FileType.fromBuffer(buffer);
if (!type || !ALLOWED_MIME_TYPES.includes(type.mime))
throw new HTTPError("Invalid file type");
const path = `role-icons/${role_id}/${hash}.png`;
const endpoint =
Config.get().cdn.endpointPublic || "http://localhost:3001";
await storage.set(path, buffer);
return res.json({
id: hash,
content_type: type.mime,
size,
url: `${endpoint}${req.baseUrl}/${role_id}/${hash}`,
});
},
);
router.get("/:role_id", async (req: Request, res: Response) => {
const { role_id } = req.params;
//role_id = role_id.split(".")[0]; // remove .file extension
const path = `role-icons/${role_id}`;
const file = await storage.get(path);
if (!file) throw new HTTPError("not found", 404);
const type = await FileType.fromBuffer(file);
res.set("Content-Type", type?.mime);
res.set("Cache-Control", "public, max-age=31536000, must-revalidate");
return res.send(file);
});
router.get("/:role_id/:hash", async (req: Request, res: Response) => {
const { role_id, hash } = req.params;
//hash = hash.split(".")[0]; // remove .file extension
const requested_extension = hash.split(".")[1];
const role_icon_hash = hash.split(".")[0];
let file: Buffer | null = null;
const extensions_to_try = [
requested_extension,
"png",
"jpg",
"jpeg",
"webp",
"svg",
];
for (let i = 0; i < extensions_to_try.length; i++) {
file = await storage.get(
`role-icons/${role_id}/${role_icon_hash}.${extensions_to_try[i]}`,
);
if (file) break;
}
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, must-revalidate");
return res.send(file);
});
router.delete("/:role_id/:id", async (req: Request, res: Response) => {
if (req.headers.signature !== Config.get().security.requestSignature)
throw new HTTPError("Invalid request signature");
const { role_id, id } = req.params;
const path = `role-icons/${role_id}/${id}`;
await storage.delete(path);
return res.send({ success: true });
});
export default router;
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