Vencord/scripts/runInstaller.mjs
2023-01-23 04:02:09 +01:00

128 lines
4.1 KiB
JavaScript

/*
* Vencord, a modification for Discord's desktop app
* Copyright (c) 2023 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 "./checkNodeVersion.js";
import { execFileSync, execSync } from "child_process";
import { createWriteStream, existsSync, mkdirSync, readFileSync, writeFileSync } from "fs";
import { dirname, join } from "path";
import { Readable } from "stream";
import { finished } from "stream/promises";
import { fileURLToPath } from "url";
const BASE_URL = "https://github.com/Vencord/Installer/releases/latest/download/";
const INSTALLER_PATH_DARWIN = "VencordInstaller.app/Contents/MacOS/VencordInstaller";
const BASE_DIR = join(dirname(fileURLToPath(import.meta.url)), "..");
const FILE_DIR = join(BASE_DIR, "dist", "Installer");
const ETAG_FILE = join(FILE_DIR, "etag.txt");
function getFilename() {
switch (process.platform) {
case "win32":
return "VencordInstaller.exe";
case "darwin":
return "VencordInstaller.MacOS.zip";
case "linux":
return "VencordInstaller-" + (process.env.WAYLAND_DISPLAY ? "wayland" : "x11");
default:
throw new Error("Unsupported platform: " + process.platform);
}
}
async function ensureBinary() {
const filename = getFilename();
console.log("Downloading " + filename);
mkdirSync(FILE_DIR, { recursive: true });
const downloadName = join(FILE_DIR, filename);
const outputFile = process.platform === "darwin"
? join(FILE_DIR, "VencordInstaller")
: downloadName;
const etag = existsSync(outputFile) && existsSync(ETAG_FILE)
? readFileSync(ETAG_FILE, "utf-8")
: null;
const res = await fetch(BASE_URL + filename, {
headers: {
"User-Agent": "Vencord (https://github.com/Vendicated/Vencord)",
"If-None-Match": etag
}
});
if (res.status === 304) {
console.log("Up to date, not redownloading!");
return outputFile;
}
if (!res.ok)
throw new Error(`Failed to download installer: ${res.status} ${res.statusText}`);
writeFileSync(ETAG_FILE, res.headers.get("etag"));
if (process.platform === "darwin") {
console.log("Unzipping...");
const zip = new Uint8Array(await res.arrayBuffer());
const ff = await import("fflate");
const bytes = ff.unzipSync(zip, {
filter: f => f.name === INSTALLER_PATH_DARWIN
})[INSTALLER_PATH_DARWIN];
writeFileSync(outputFile, bytes, { mode: 0o755 });
console.log("Overriding security policy for installer binary (this is required to run it)");
console.log("xattr might error, that's okay");
const logAndRun = cmd => {
console.log("Running", cmd);
try {
execSync(cmd);
} catch { }
};
logAndRun(`sudo spctl --add '${outputFile}' --label "Vencord Installer"`);
logAndRun(`sudo xattr -d com.apple.quarantine '${outputFile}'`);
} else {
// WHY DOES NODE FETCH RETURN A WEB STREAM OH MY GOD
const body = Readable.fromWeb(res.body);
await finished(body.pipe(createWriteStream(outputFile, {
mode: 0o755,
autoClose: true
})));
}
console.log("Finished downloading!");
return outputFile;
}
const installerBin = await ensureBinary();
console.log("Now running Installer...");
execFileSync(installerBin, {
stdio: "inherit",
env: {
...process.env,
VENCORD_USER_DATA_DIR: BASE_DIR,
VENCORD_DEV_INSTALL: "1"
}
});