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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 { app, autoUpdater } from "electron";
import { dirname, basename, join } from "path";
import { readdirSync, existsSync, mkdirSync, writeFileSync } from "fs";
const { setAppUserModelId } = app;
// Apparently requiring Discords updater too early leads into issues,
// copied this workaround from powerCord
app.setAppUserModelId = function (id: string) {
app.setAppUserModelId = setAppUserModelId;
setAppUserModelId.call(this, id);
patchUpdater();
};
function isNewer($new: string, old: string) {
const newParts = $new.slice(4).split(".").map(Number);
const oldParts = old.slice(4).split(".").map(Number);
for (let i = 0; i < oldParts.length; i++) {
if (newParts[i] > oldParts[i]) return true;
if (newParts[i] < oldParts[i]) return false;
}
return false;
}
function patchLatest() {
const currentAppPath = dirname(process.execPath);
const currentVersion = basename(currentAppPath);
const discordPath = join(currentAppPath, "..");
const latestVersion = readdirSync(discordPath).reduce((prev, curr) => {
return (curr.startsWith("app-") && isNewer(curr, prev))
? curr
: prev;
}, currentVersion as string);
if (latestVersion === currentVersion) return;
const app = join(discordPath, latestVersion, "resources", "app");
if (existsSync(app)) return;
console.info("[Vencord] Detected Host Update. Repatching...");
const patcherPath = join(__dirname, "patcher.js");
mkdirSync(app);
writeFileSync(join(app, "package.json"), JSON.stringify({
name: "discord",
main: "index.js"
}));
writeFileSync(join(app, "index.js"), `require(${JSON.stringify(patcherPath)});`);
}
// Windows Host Updates install to a new folder app-{HOST_VERSION}, so we
// need to reinject
function patchUpdater() {
const main = require.main!;
const buildInfo = require(join(process.resourcesPath, "build_info.json"));
try {
if (buildInfo?.newUpdater) {
const autoStartScript = join(main.filename, "..", "autoStart", "win32.js");
const { update } = require(autoStartScript);
// New Updater Injection
require.cache[autoStartScript]!.exports.update = function () {
patchLatest();
update.apply(this, arguments);
};
} else {
const hostUpdaterScript = join(main.filename, "..", "hostUpdater.js");
const { quitAndInstall } = require(hostUpdaterScript);
// Old Updater Injection
require.cache[hostUpdaterScript]!.exports.quitAndInstall = function () {
patchLatest();
quitAndInstall.apply(this, arguments);
};
}
} catch {
// OpenAsar uses electrons autoUpdater on Windows
const { quitAndInstall } = autoUpdater;
autoUpdater.quitAndInstall = function () {
patchLatest();
quitAndInstall.call(this);
};
}
}
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