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/*
* Vencord, a modification for Discord's desktop app
* Copyright (c) 2022 Vendicated and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import { session } from "electron";
import { unzip } from "fflate";
import { constants as fsConstants } from "fs";
import { access, mkdir, rm, writeFile } from "fs/promises";
import { join } from "path";
import { DATA_DIR } from "./constants";
import { crxToZip } from "./crxToZip";
import { get } from "./simpleGet";
const extensionCacheDir = join(DATA_DIR, "ExtensionCache");
async function extract(data: Buffer, outDir: string) {
await mkdir(outDir, { recursive: true });
return new Promise<void>((resolve, reject) => {
unzip(data, (err, files) => {
if (err) return void reject(err);
Promise.all(Object.keys(files).map(async f => {
// Signature stuff
// 'Cannot load extension with file or directory name
// _metadata. Filenames starting with "_" are reserved for use by the system.';
if (f.startsWith("_metadata/")) return;
if (f.endsWith("/")) return void mkdir(join(outDir, f), { recursive: true });
const pathElements = f.split("/");
const name = pathElements.pop()!;
const directories = pathElements.join("/");
const dir = join(outDir, directories);
if (directories) {
await mkdir(dir, { recursive: true });
}
await writeFile(join(dir, name), files[f]);
}))
.then(() => resolve())
.catch(err => {
rm(outDir, { recursive: true, force: true });
reject(err);
});
});
});
}
export async function installExt(id: string) {
const extDir = join(extensionCacheDir, `${id}`);
try {
await access(extDir, fsConstants.F_OK);
} catch (err) {
const url = id === "fmkadmapgofadopljbjfkapdkoienihi"
// React Devtools v4.25
// v4.27 is broken in Electron, see https://github.com/facebook/react/issues/25843
// Unfortunately, Google does not serve old versions, so this is the only way
? "https://raw.githubusercontent.com/Vendicated/random-files/f6f550e4c58ac5f2012095a130406c2ab25b984d/fmkadmapgofadopljbjfkapdkoienihi.zip"
: `https://clients2.google.com/service/update2/crx?response=redirect&acceptformat=crx2,crx3&x=id%3D${id}%26uc&prodversion=32`;
const buf = await get(url, {
headers: {
"User-Agent": "Vencord (https://github.com/Vendicated/Vencord)"
}
});
await extract(crxToZip(buf), extDir).catch(console.error);
}
session.defaultSession.loadExtension(extDir);
}
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