mirror of
https://github.com/puppeteer/puppeteer
synced 2024-06-14 14:02:48 +00:00
890c215142
* chore: migrate src/Puppeteer to TypeScript. * fix api js
480 lines
16 KiB
TypeScript
480 lines
16 KiB
TypeScript
/**
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* Copyright 2017 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import * as os from 'os';
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import * as fs from 'fs';
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import * as path from 'path';
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import * as util from 'util';
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import * as childProcess from 'child_process';
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import * as https from 'https';
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import * as http from 'http';
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import * as extract from 'extract-zip';
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import * as debug from 'debug';
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import * as removeRecursive from 'rimraf';
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import * as URL from 'url';
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import * as ProxyAgent from 'https-proxy-agent';
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import {getProxyForUrl} from 'proxy-from-env';
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import {helper, assert} from './helper';
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const debugFetcher = debug(`puppeteer:fetcher`);
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const downloadURLs = {
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chrome: {
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linux: '%s/chromium-browser-snapshots/Linux_x64/%d/%s.zip',
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mac: '%s/chromium-browser-snapshots/Mac/%d/%s.zip',
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win32: '%s/chromium-browser-snapshots/Win/%d/%s.zip',
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win64: '%s/chromium-browser-snapshots/Win_x64/%d/%s.zip',
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},
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firefox: {
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linux: '%s/firefox-%s.0a1.en-US.%s-x86_64.tar.bz2',
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mac: '%s/firefox-%s.0a1.en-US.%s.dmg',
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win32: '%s/firefox-%s.0a1.en-US.%s.zip',
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win64: '%s/firefox-%s.0a1.en-US.%s.zip',
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},
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} as const;
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const browserConfig = {
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chrome: {
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host: 'https://storage.googleapis.com',
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destination: '.local-chromium',
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},
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firefox: {
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host: 'https://archive.mozilla.org/pub/firefox/nightly/latest-mozilla-central',
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destination: '.local-firefox',
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}
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} as const;
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type Platform = 'linux' | 'mac' | 'win32' | 'win64';
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type Product = 'chrome' | 'firefox';
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function archiveName(product: Product, platform: Platform, revision: string): string {
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if (product === 'chrome') {
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if (platform === 'linux')
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return 'chrome-linux';
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if (platform === 'mac')
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return 'chrome-mac';
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if (platform === 'win32' || platform === 'win64') {
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// Windows archive name changed at r591479.
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return parseInt(revision, 10) > 591479 ? 'chrome-win' : 'chrome-win32';
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}
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} else if (product === 'firefox') {
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return platform;
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}
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}
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/**
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* @param {string} product
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* @param {string} platform
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* @param {string} host
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* @param {string} revision
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* @return {string}
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*/
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function downloadURL(product: Product, platform: Platform, host: string, revision: string): string {
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const url = util.format(downloadURLs[product][platform], host, revision, archiveName(product, platform, revision));
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return url;
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}
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const readdirAsync = helper.promisify(fs.readdir.bind(fs));
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const mkdirAsync = helper.promisify(fs.mkdir.bind(fs));
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const unlinkAsync = helper.promisify(fs.unlink.bind(fs));
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const chmodAsync = helper.promisify(fs.chmod.bind(fs));
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function existsAsync(filePath: string): Promise<boolean> {
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return new Promise(resolve => {
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fs.access(filePath, err => resolve(!err));
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});
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}
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export interface BrowserFetcherOptions {
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platform?: Platform;
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product?: string;
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path?: string;
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host?: string;
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}
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interface BrowserFetcherRevisionInfo {
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folderPath: string;
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executablePath: string;
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url: string;
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local: boolean;
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revision: string;
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product: string;
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}
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/**
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*/
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export class BrowserFetcher {
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private _product: Product;
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private _downloadsFolder: string;
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private _downloadHost: string;
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private _platform: Platform;
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constructor(projectRoot: string, options: BrowserFetcherOptions = {}) {
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this._product = (options.product || 'chrome').toLowerCase() as Product;
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assert(this._product === 'chrome' || this._product === 'firefox', `Unknown product: "${options.product}"`);
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this._downloadsFolder = options.path || path.join(projectRoot, browserConfig[this._product].destination);
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this._downloadHost = options.host || browserConfig[this._product].host;
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this.setPlatform(options.platform);
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assert(downloadURLs[this._product][this._platform], 'Unsupported platform: ' + this._platform);
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}
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private setPlatform(platformFromOptions?: Platform): void {
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if (platformFromOptions) {
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this._platform = platformFromOptions;
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return;
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}
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const platform = os.platform();
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if (platform === 'darwin')
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this._platform = 'mac';
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else if (platform === 'linux')
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this._platform = 'linux';
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else if (platform === 'win32')
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this._platform = os.arch() === 'x64' ? 'win64' : 'win32';
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else
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assert(this._platform, 'Unsupported platform: ' + os.platform());
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}
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platform(): string {
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return this._platform;
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}
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product(): string {
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return this._product;
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}
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host(): string {
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return this._downloadHost;
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}
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canDownload(revision: string): Promise<boolean> {
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const url = downloadURL(this._product, this._platform, this._downloadHost, revision);
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return new Promise(resolve => {
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const request = httpRequest(url, 'HEAD', response => {
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resolve(response.statusCode === 200);
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});
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request.on('error', error => {
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console.error(error);
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resolve(false);
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});
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});
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}
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/**
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* @param {string} revision
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* @param {?function(number, number):void} progressCallback
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* @return {!Promise<!BrowserFetcher.RevisionInfo>}
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*/
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async download(revision: string, progressCallback: (x: number, y: number) => void): Promise<BrowserFetcherRevisionInfo> {
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const url = downloadURL(this._product, this._platform, this._downloadHost, revision);
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const fileName = url.split('/').pop();
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const archivePath = path.join(this._downloadsFolder, fileName);
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const outputPath = this._getFolderPath(revision);
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if (await existsAsync(outputPath))
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return this.revisionInfo(revision);
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if (!(await existsAsync(this._downloadsFolder)))
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await mkdirAsync(this._downloadsFolder);
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try {
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await downloadFile(url, archivePath, progressCallback);
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await install(archivePath, outputPath);
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} finally {
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if (await existsAsync(archivePath))
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await unlinkAsync(archivePath);
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}
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const revisionInfo = this.revisionInfo(revision);
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if (revisionInfo)
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await chmodAsync(revisionInfo.executablePath, 0o755);
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return revisionInfo;
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}
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async localRevisions(): Promise<string[]> {
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if (!await existsAsync(this._downloadsFolder))
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return [];
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const fileNames = await readdirAsync(this._downloadsFolder);
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return fileNames.map(fileName => parseFolderPath(this._product, fileName)).filter(entry => entry && entry.platform === this._platform).map(entry => entry.revision);
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}
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async remove(revision: string): Promise<void> {
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const folderPath = this._getFolderPath(revision);
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assert(await existsAsync(folderPath), `Failed to remove: revision ${revision} is not downloaded`);
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await new Promise(fulfill => removeRecursive(folderPath, fulfill));
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}
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revisionInfo(revision: string): BrowserFetcherRevisionInfo {
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const folderPath = this._getFolderPath(revision);
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let executablePath = '';
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if (this._product === 'chrome') {
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if (this._platform === 'mac')
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executablePath = path.join(folderPath, archiveName(this._product, this._platform, revision), 'Chromium.app', 'Contents', 'MacOS', 'Chromium');
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else if (this._platform === 'linux')
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executablePath = path.join(folderPath, archiveName(this._product, this._platform, revision), 'chrome');
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else if (this._platform === 'win32' || this._platform === 'win64')
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executablePath = path.join(folderPath, archiveName(this._product, this._platform, revision), 'chrome.exe');
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else
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throw new Error('Unsupported platform: ' + this._platform);
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} else if (this._product === 'firefox') {
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if (this._platform === 'mac')
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executablePath = path.join(folderPath, 'Firefox Nightly.app', 'Contents', 'MacOS', 'firefox');
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else if (this._platform === 'linux')
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executablePath = path.join(folderPath, 'firefox', 'firefox');
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else if (this._platform === 'win32' || this._platform === 'win64')
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executablePath = path.join(folderPath, 'firefox', 'firefox.exe');
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else
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throw new Error('Unsupported platform: ' + this._platform);
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} else {
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throw new Error('Unsupported product: ' + this._product);
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}
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const url = downloadURL(this._product, this._platform, this._downloadHost, revision);
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const local = fs.existsSync(folderPath);
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debugFetcher({revision, executablePath, folderPath, local, url, product: this._product});
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return {revision, executablePath, folderPath, local, url, product: this._product};
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}
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/**
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* @param {string} revision
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* @return {string}
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*/
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_getFolderPath(revision: string): string {
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return path.join(this._downloadsFolder, this._platform + '-' + revision);
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}
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}
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function parseFolderPath(product: Product, folderPath: string): {product: string; platform: string; revision: string} | null {
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const name = path.basename(folderPath);
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const splits = name.split('-');
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if (splits.length !== 2)
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return null;
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const [platform, revision] = splits;
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if (!downloadURLs[product][platform])
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return null;
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return {product, platform, revision};
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}
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/**
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* @param {string} url
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* @param {string} destinationPath
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* @param {?function(number, number):void} progressCallback
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* @return {!Promise}
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*/
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function downloadFile(url: string, destinationPath: string, progressCallback: (x: number, y: number) => void): Promise<void> {
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debugFetcher(`Downloading binary from ${url}`);
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let fulfill, reject;
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let downloadedBytes = 0;
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let totalBytes = 0;
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const promise = new Promise<void>((x, y) => { fulfill = x; reject = y; });
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const request = httpRequest(url, 'GET', response => {
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if (response.statusCode !== 200) {
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const error = new Error(`Download failed: server returned code ${response.statusCode}. URL: ${url}`);
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// consume response data to free up memory
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response.resume();
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reject(error);
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return;
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}
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const file = fs.createWriteStream(destinationPath);
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file.on('finish', () => fulfill());
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file.on('error', error => reject(error));
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response.pipe(file);
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totalBytes = parseInt(/** @type {string} */ (response.headers['content-length']), 10);
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if (progressCallback)
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response.on('data', onData);
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});
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request.on('error', error => reject(error));
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return promise;
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function onData(chunk: string): void {
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downloadedBytes += chunk.length;
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progressCallback(downloadedBytes, totalBytes);
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}
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}
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function install(archivePath: string, folderPath: string): Promise<unknown> {
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debugFetcher(`Installing ${archivePath} to ${folderPath}`);
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if (archivePath.endsWith('.zip'))
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return extractZip(archivePath, folderPath);
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else if (archivePath.endsWith('.tar.bz2'))
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return extractTar(archivePath, folderPath);
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else if (archivePath.endsWith('.dmg'))
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return mkdirAsync(folderPath).then(() => installDMG(archivePath, folderPath));
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else
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throw new Error(`Unsupported archive format: ${archivePath}`);
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}
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async function extractZip(zipPath: string, folderPath: string): Promise<void> {
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const nodeVersion = process.version;
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/* There is currently a bug with extract-zip and Node v14.0.0 that
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* causes extractZip to silently fail:
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* https://github.com/puppeteer/puppeteer/issues/5719
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*
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* Rather than silenty fail if the user is on Node 14 we instead
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* detect that and throw an error directing the user to that bug. The
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* rejection message below is surfaced to the user in the command
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* line.
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*
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* The issue seems to be in streams never resolving so we wrap the
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* call in a timeout and give it 10s to resolve before deciding on
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* an error.
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*
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* If the user is on Node < 14 we maintain the behaviour we had before
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* this patch.
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*/
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if (nodeVersion.startsWith('v14.')) {
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let timeoutReject;
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const timeoutPromise = new Promise((resolve, reject) => { timeoutReject = reject; });
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const timeoutToken = setTimeout(() => {
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const error = new Error(`Puppeteer currently does not work on Node v14 due to an upstream bug. Please see: https://github.com/puppeteer/puppeteer/issues/5719 for details.`);
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timeoutReject(error);
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}, 10 * 1000);
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await Promise.race([
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extract(zipPath, {dir: folderPath}),
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timeoutPromise
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]);
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clearTimeout(timeoutToken);
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} else {
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try {
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await extract(zipPath, {dir: folderPath});
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} catch (error) {
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return error;
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}
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}
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}
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/**
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* @param {string} tarPath
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* @param {string} folderPath
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* @return {!Promise<?Error>}
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*/
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function extractTar(tarPath: string, folderPath: string): Promise<unknown> {
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// eslint-disable-next-line @typescript-eslint/no-var-requires
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const tar = require('tar-fs');
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// eslint-disable-next-line @typescript-eslint/no-var-requires
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const bzip = require('unbzip2-stream');
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return new Promise((fulfill, reject) => {
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const tarStream = tar.extract(folderPath);
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tarStream.on('error', reject);
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tarStream.on('finish', fulfill);
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const readStream = fs.createReadStream(tarPath);
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readStream.on('data', () => { process.stdout.write('\rExtracting...'); });
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readStream.pipe(bzip()).pipe(tarStream);
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});
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}
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/**
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* Install *.app directory from dmg file
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*
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* @param {string} dmgPath
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* @param {string} folderPath
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* @return {!Promise<?Error>}
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*/
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function installDMG(dmgPath: string, folderPath: string): Promise<void> {
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let mountPath;
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function mountAndCopy(fulfill: () => void, reject: (Error) => void): void {
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const mountCommand = `hdiutil attach -nobrowse -noautoopen "${dmgPath}"`;
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childProcess.exec(mountCommand, (err, stdout) => {
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if (err)
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return reject(err);
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const volumes = stdout.match(/\/Volumes\/(.*)/m);
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if (!volumes)
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return reject(new Error(`Could not find volume path in ${stdout}`));
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mountPath = volumes[0];
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readdirAsync(mountPath).then(fileNames => {
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const appName = fileNames.filter(item => typeof item === 'string' && item.endsWith('.app'))[0];
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if (!appName)
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return reject(new Error(`Cannot find app in ${mountPath}`));
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const copyPath = path.join(mountPath, appName);
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debugFetcher(`Copying ${copyPath} to ${folderPath}`);
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childProcess.exec(`cp -R "${copyPath}" "${folderPath}"`, err => {
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if (err)
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reject(err);
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else
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fulfill();
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});
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}).catch(reject);
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});
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}
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function unmount(): void {
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if (!mountPath)
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return;
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const unmountCommand = `hdiutil detach "${mountPath}" -quiet`;
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debugFetcher(`Unmounting ${mountPath}`);
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childProcess.exec(unmountCommand, err => {
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if (err)
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console.error(`Error unmounting dmg: ${err}`);
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});
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}
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return new Promise<void>(mountAndCopy).catch(error => { console.error(error); }).finally(unmount);
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}
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function httpRequest(url: string, method: string, response: (x: http.IncomingMessage) => void): http.ClientRequest {
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const urlParsed = URL.parse(url);
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type Options = Partial<URL.UrlWithStringQuery> & {
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method?: string;
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agent?: ProxyAgent;
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rejectUnauthorized?: boolean;
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};
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let options: Options = {
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...urlParsed,
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method,
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};
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const proxyURL = getProxyForUrl(url);
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if (proxyURL) {
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if (url.startsWith('http:')) {
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const proxy = URL.parse(proxyURL);
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options = {
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path: options.href,
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host: proxy.hostname,
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port: proxy.port,
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};
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} else {
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const parsedProxyURL = URL.parse(proxyURL);
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const proxyOptions = {
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...parsedProxyURL,
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secureProxy: parsedProxyURL.protocol === 'https:',
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} as ProxyAgent.HttpsProxyAgentOptions;
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options.agent = new ProxyAgent(proxyOptions);
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options.rejectUnauthorized = false;
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}
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}
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const requestCallback = (res: http.IncomingMessage): void => {
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if (res.statusCode >= 300 && res.statusCode < 400 && res.headers.location)
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httpRequest(res.headers.location, method, response);
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else
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response(res);
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};
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const request = options.protocol === 'https:' ?
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https.request(options, requestCallback) :
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http.request(options, requestCallback);
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request.end();
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return request;
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}
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