/** * @license * Copyright 2023 Google Inc. * SPDX-License-Identifier: Apache-2.0 */ import { spawnSync, spawn } from 'child_process'; import { createReadStream } from 'fs'; import { mkdir, readdir } from 'fs/promises'; import * as path from 'path'; import { Stream } from 'stream'; import extractZip from 'extract-zip'; import tar from 'tar-fs'; import bzip from 'unbzip2-stream'; /** * @internal */ export async function unpackArchive(archivePath, folderPath) { 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 if (archivePath.endsWith('.tar.xz')) { await extractTarXz(archivePath, folderPath); } else { throw new Error(`Unsupported archive format: ${archivePath}`); } } /** * @internal */ function extractTar(tarPath, folderPath) { 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 */ function createXzStream() { const child = spawn('xz', ['-d']); const stream = new Stream.Transform({ transform(chunk, encoding, callback) { if (!child.stdin.write(chunk, encoding)) { child.stdin.once('drain', callback); } else { callback(); } }, flush(callback) { if (child.stdout.destroyed) { callback(); } else { child.stdin.end(); child.stdout.on('close', callback); } }, }); child.stdin.on('error', e => { if ('code' in e && e.code === 'EPIPE') { // finished before reading the file finished (i.e. head) stream.emit('end'); } else { stream.destroy(e); } }); child.stdout .on('data', data => { return stream.push(data); }) .on('error', e => { return stream.destroy(e); }); return stream; } /** * @internal */ function extractTarXz(tarPath, folderPath) { return new Promise((fulfill, reject) => { const tarStream = tar.extract(folderPath); tarStream.on('error', reject); tarStream.on('finish', fulfill); const readStream = createReadStream(tarPath); readStream.pipe(createXzStream()).pipe(tarStream); }); } /** * @internal */ async function installDMG(dmgPath, folderPath) { 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']); } } //# sourceMappingURL=fileUtil.js.map