71 lines
2.6 KiB
TypeScript
71 lines
2.6 KiB
TypeScript
/*
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* Vencord, a modification for Discord's desktop app
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* Copyright (c) 2022 Vendicated and contributors
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*
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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 General Public License as published by
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* 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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*
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU 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 { app } from "electron";
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import { existsSync, mkdirSync, readdirSync, renameSync, statSync, writeFileSync } from "original-fs";
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import { basename, dirname, join } from "path";
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function isNewer($new: string, old: string) {
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const newParts = $new.slice(4).split(".").map(Number);
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const oldParts = old.slice(4).split(".").map(Number);
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for (let i = 0; i < oldParts.length; i++) {
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if (newParts[i] > oldParts[i]) return true;
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if (newParts[i] < oldParts[i]) return false;
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}
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return false;
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}
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function patchLatest() {
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try {
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const currentAppPath = dirname(process.execPath);
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const currentVersion = basename(currentAppPath);
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const discordPath = join(currentAppPath, "..");
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const latestVersion = readdirSync(discordPath).reduce((prev, curr) => {
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return (curr.startsWith("app-") && isNewer(curr, prev))
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? curr
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: prev;
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}, currentVersion as string);
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if (latestVersion === currentVersion) return;
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const resources = join(discordPath, latestVersion, "resources");
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const app = join(resources, "app.asar");
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const _app = join(resources, "_app.asar");
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if (!existsSync(app) || statSync(app).isDirectory()) return;
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console.info("[Vencord] Detected Host Update. Repatching...");
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renameSync(app, _app);
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mkdirSync(app);
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writeFileSync(join(app, "package.json"), JSON.stringify({
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name: "discord",
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main: "index.js"
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}));
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writeFileSync(join(app, "index.js"), `require(${JSON.stringify(join(__dirname, "patcher.js"))});`);
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} catch (err) {
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console.error("[Vencord] Failed to repatch latest host update", err);
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}
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}
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// Try to patch latest on before-quit
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// Discord's Win32 updater will call app.quit() on restart and open new version on will-quit
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app.on("before-quit", patchLatest);
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