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import { getRawAsset } from 'node:sea';
import child_process, { spawn } from 'child_process';
import fs from 'fs';
import os from 'os';
import path from 'path';
// This file is bundled into a standalone executable able to run e2e tests against an installed
// version of the app. This file is the entrypoint in the executable and extracts the required
// assets and performs the tests. More info in /desktop/packages/mullvad-vpn/README.md.
const tmpDir = path.join(os.tmpdir(), 'mullvad-standalone-tests');
async function main() {
extract();
const code = await runTests();
removeTmpDir();
process.exit(code);
}
function getTarBin() {
if (process.platform === 'win32') {
if (process.env.windir) {
return path.join(process.env.windir, 'System32', 'tar.exe');
}
return 'tar.exe';
} else {
return 'tar';
}
}
function extract() {
// Remove old directory if already existing and create new clean one
removeTmpDir();
fs.mkdirSync(tmpDir);
// Copy assets archive to temp dir
const tarAssets = getRawAsset('assets.tar.gz') as ArrayBuffer;
fs.writeFileSync(path.join(tmpDir, 'assets.tar.gz'), Buffer.from(tarAssets));
// Untar assets
const args = ['-xzf', path.join(tmpDir, 'assets.tar.gz')];
child_process.spawnSync(getTarBin(), args, { cwd: tmpDir });
}
function getNodeBin() {
if (process.platform === 'win32') {
return path.join(tmpDir, 'node.exe');
} else {
return path.join(tmpDir, 'node');
}
}
function createSealessNode() {
const nodeBin = getNodeBin();
fs.copyFileSync(process.argv[0], nodeBin);
if (process.platform === 'darwin') {
child_process.spawnSync('/usr/bin/codesign', ['--remove-signature', nodeBin]);
}
// Find and disable SEA fuse in node binary
const fuseString = 'NODE_SEA_FUSE_' + 'fce680ab2cc467b6e072b8b5df1996b2:';
const buf = fs.readFileSync(nodeBin);
const fuseIndex = buf.indexOf(fuseString);
if (fuseIndex !== -1) {
const stateIndex = fuseIndex + fuseString.length;
if (stateIndex < buf.length && buf[stateIndex] === '1'.charCodeAt(0)) {
// If we set the state of the fuse to 0, it will not execute our payload
buf[stateIndex] = '0'.charCodeAt(0);
fs.writeFileSync(nodeBin, buf);
fs.chmodSync(nodeBin, 0o554);
}
}
if (process.platform === 'darwin') {
child_process.spawnSync('/usr/bin/codesign', ['--sign', '-', nodeBin]);
}
return nodeBin;
}
function runTests(): Promise<number> {
const nodeBin = createSealessNode();
const playwrightBin = path.join(tmpDir, 'node_modules', '@playwright', 'test', 'cli.js');
const configPath = path.join(
tmpDir,
'build-standalone',
'test',
'e2e',
'installed',
'playwright.config.js',
);
return new Promise((resolve) => {
// Tests need to be run sequentially since they interact with the same daemon instance.
// Arguments are forwarded to playwright to make it possible to run specific tests.
const args = [playwrightBin, 'test', '-x', '-c', configPath, ...process.argv.slice(2)];
const proc = spawn(nodeBin, args, { cwd: tmpDir });
proc.stdout.on('data', (data) => console.log(data.toString()));
proc.stderr.on('data', (data) => console.error(data.toString()));
proc.on('close', (code, signal) => {
if (signal) {
console.log('Received signal:', signal);
}
resolve(code ?? (signal ? 1 : 0));
});
});
}
function removeTmpDir() {
if (fs.existsSync(tmpDir)) {
try {
fs.rmSync(tmpDir, { recursive: true });
} catch (e) {
const error = e as Error;
console.error('Failed to remove tmp dir:', error.message);
}
}
}
void main();
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