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/**
* @license
* Copyright 2023 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
import {spawnSync} from 'child_process';
import {createReadStream} from 'fs';
import {mkdir, readdir} from 'fs/promises';
import * as path from 'path';
import extractZip from 'extract-zip';
import tar from 'tar-fs';
import bzip from 'unbzip2-stream';
/**
* @internal
*/
export async function unpackArchive(
archivePath: string,
folderPath: string
): Promise<void> {
if (archivePath.endsWith('.zip')) {
await extractZip(archivePath, {dir: folderPath});
} else if (archivePath.endsWith('.tar.bz2')) {
await extractTar(archivePath, folderPath);
} else if (archivePath.endsWith('.dmg')) {
await mkdir(folderPath);
await installDMG(archivePath, folderPath);
} else if (archivePath.endsWith('.exe')) {
// Firefox on Windows.
const result = spawnSync(archivePath, [`/ExtractDir=${folderPath}`], {
env: {
__compat_layer: 'RunAsInvoker',
},
});
if (result.status !== 0) {
throw new Error(
`Failed to extract ${archivePath} to ${folderPath}: ${result.output}`
);
}
} else {
throw new Error(`Unsupported archive format: ${archivePath}`);
}
}
/**
* @internal
*/
function extractTar(tarPath: string, folderPath: string): Promise<void> {
return new Promise((fulfill, reject) => {
const tarStream = tar.extract(folderPath);
tarStream.on('error', reject);
tarStream.on('finish', fulfill);
const readStream = createReadStream(tarPath);
readStream.pipe(bzip()).pipe(tarStream);
});
}
/**
* @internal
*/
async function installDMG(dmgPath: string, folderPath: string): Promise<void> {
const {stdout} = spawnSync(`hdiutil`, [
'attach',
'-nobrowse',
'-noautoopen',
dmgPath,
]);
const volumes = stdout.toString('utf8').match(/\/Volumes\/(.*)/m);
if (!volumes) {
throw new Error(`Could not find volume path in ${stdout}`);
}
const mountPath = volumes[0]!;
try {
const fileNames = await readdir(mountPath);
const appName = fileNames.find(item => {
return typeof item === 'string' && item.endsWith('.app');
});
if (!appName) {
throw new Error(`Cannot find app in ${mountPath}`);
}
const mountedPath = path.join(mountPath!, appName);
spawnSync('cp', ['-R', mountedPath, folderPath]);
} finally {
spawnSync('hdiutil', ['detach', mountPath, '-quiet']);
}
}