2abaac10aa
Don't ignore stdout and stderr when using pipe for remote debugging and dumpio is true. In that case puppeteer process connects to the stdout/stderr streams of the child process and it will not hang.
446 lines
15 KiB
JavaScript
446 lines
15 KiB
JavaScript
/**
|
|
* Copyright 2017 Google Inc. All rights reserved.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
const os = require('os');
|
|
const path = require('path');
|
|
const http = require('http');
|
|
const https = require('https');
|
|
const URL = require('url');
|
|
const removeFolder = require('rimraf');
|
|
const childProcess = require('child_process');
|
|
const BrowserFetcher = require('./BrowserFetcher');
|
|
const {Connection} = require('./Connection');
|
|
const {Browser} = require('./Browser');
|
|
const readline = require('readline');
|
|
const fs = require('fs');
|
|
const {helper, assert, debugError} = require('./helper');
|
|
const {TimeoutError} = require('./Errors');
|
|
const WebSocketTransport = require('./WebSocketTransport');
|
|
const PipeTransport = require('./PipeTransport');
|
|
|
|
const mkdtempAsync = helper.promisify(fs.mkdtemp);
|
|
const removeFolderAsync = helper.promisify(removeFolder);
|
|
|
|
const CHROME_PROFILE_PATH = path.join(os.tmpdir(), 'puppeteer_dev_profile-');
|
|
|
|
const DEFAULT_ARGS = [
|
|
'--disable-background-networking',
|
|
'--enable-features=NetworkService,NetworkServiceInProcess',
|
|
'--disable-background-timer-throttling',
|
|
'--disable-backgrounding-occluded-windows',
|
|
'--disable-breakpad',
|
|
'--disable-client-side-phishing-detection',
|
|
'--disable-component-extensions-with-background-pages',
|
|
'--disable-default-apps',
|
|
'--disable-dev-shm-usage',
|
|
'--disable-extensions',
|
|
// TODO: Support OOOPIF. @see https://github.com/GoogleChrome/puppeteer/issues/2548
|
|
// BlinkGenPropertyTrees disabled due to crbug.com/937609
|
|
'--disable-features=site-per-process,TranslateUI,BlinkGenPropertyTrees',
|
|
'--disable-hang-monitor',
|
|
'--disable-ipc-flooding-protection',
|
|
'--disable-popup-blocking',
|
|
'--disable-prompt-on-repost',
|
|
'--disable-renderer-backgrounding',
|
|
'--disable-sync',
|
|
'--force-color-profile=srgb',
|
|
'--metrics-recording-only',
|
|
'--no-first-run',
|
|
'--enable-automation',
|
|
'--password-store=basic',
|
|
'--use-mock-keychain',
|
|
];
|
|
|
|
class Launcher {
|
|
/**
|
|
* @param {string} projectRoot
|
|
* @param {string} preferredRevision
|
|
* @param {boolean} isPuppeteerCore
|
|
*/
|
|
constructor(projectRoot, preferredRevision, isPuppeteerCore) {
|
|
this._projectRoot = projectRoot;
|
|
this._preferredRevision = preferredRevision;
|
|
this._isPuppeteerCore = isPuppeteerCore;
|
|
}
|
|
|
|
/**
|
|
* @param {!(Launcher.LaunchOptions & Launcher.ChromeArgOptions & Launcher.BrowserOptions)=} options
|
|
* @return {!Promise<!Browser>}
|
|
*/
|
|
async launch(options = {}) {
|
|
const {
|
|
ignoreDefaultArgs = false,
|
|
args = [],
|
|
dumpio = false,
|
|
executablePath = null,
|
|
pipe = false,
|
|
env = process.env,
|
|
handleSIGINT = true,
|
|
handleSIGTERM = true,
|
|
handleSIGHUP = true,
|
|
ignoreHTTPSErrors = false,
|
|
defaultViewport = {width: 800, height: 600},
|
|
slowMo = 0,
|
|
timeout = 30000
|
|
} = options;
|
|
|
|
const chromeArguments = [];
|
|
if (!ignoreDefaultArgs)
|
|
chromeArguments.push(...this.defaultArgs(options));
|
|
else if (Array.isArray(ignoreDefaultArgs))
|
|
chromeArguments.push(...this.defaultArgs(options).filter(arg => ignoreDefaultArgs.indexOf(arg) === -1));
|
|
else
|
|
chromeArguments.push(...args);
|
|
|
|
let temporaryUserDataDir = null;
|
|
|
|
if (!chromeArguments.some(argument => argument.startsWith('--remote-debugging-')))
|
|
chromeArguments.push(pipe ? '--remote-debugging-pipe' : '--remote-debugging-port=0');
|
|
if (!chromeArguments.some(arg => arg.startsWith('--user-data-dir'))) {
|
|
temporaryUserDataDir = await mkdtempAsync(CHROME_PROFILE_PATH);
|
|
chromeArguments.push(`--user-data-dir=${temporaryUserDataDir}`);
|
|
}
|
|
|
|
let chromeExecutable = executablePath;
|
|
if (!executablePath) {
|
|
const {missingText, executablePath} = this._resolveExecutablePath();
|
|
if (missingText)
|
|
throw new Error(missingText);
|
|
chromeExecutable = executablePath;
|
|
}
|
|
|
|
const usePipe = chromeArguments.includes('--remote-debugging-pipe');
|
|
/** @type {!Array<"ignore"|"pipe">} */
|
|
let stdio = ['pipe', 'pipe', 'pipe'];
|
|
if (usePipe) {
|
|
if (dumpio)
|
|
stdio = ['ignore', 'pipe', 'pipe', 'pipe', 'pipe'];
|
|
else
|
|
stdio = ['ignore', 'ignore', 'ignore', 'pipe', 'pipe'];
|
|
}
|
|
const chromeProcess = childProcess.spawn(
|
|
chromeExecutable,
|
|
chromeArguments,
|
|
{
|
|
// On non-windows platforms, `detached: false` makes child process a leader of a new
|
|
// process group, making it possible to kill child process tree with `.kill(-pid)` command.
|
|
// @see https://nodejs.org/api/child_process.html#child_process_options_detached
|
|
detached: process.platform !== 'win32',
|
|
env,
|
|
stdio
|
|
}
|
|
);
|
|
|
|
if (dumpio) {
|
|
chromeProcess.stderr.pipe(process.stderr);
|
|
chromeProcess.stdout.pipe(process.stdout);
|
|
}
|
|
|
|
let chromeClosed = false;
|
|
const waitForChromeToClose = new Promise((fulfill, reject) => {
|
|
chromeProcess.once('exit', () => {
|
|
chromeClosed = true;
|
|
// Cleanup as processes exit.
|
|
if (temporaryUserDataDir) {
|
|
removeFolderAsync(temporaryUserDataDir)
|
|
.then(() => fulfill())
|
|
.catch(err => console.error(err));
|
|
} else {
|
|
fulfill();
|
|
}
|
|
});
|
|
});
|
|
|
|
const listeners = [ helper.addEventListener(process, 'exit', killChrome) ];
|
|
if (handleSIGINT)
|
|
listeners.push(helper.addEventListener(process, 'SIGINT', () => { killChrome(); process.exit(130); }));
|
|
if (handleSIGTERM)
|
|
listeners.push(helper.addEventListener(process, 'SIGTERM', gracefullyCloseChrome));
|
|
if (handleSIGHUP)
|
|
listeners.push(helper.addEventListener(process, 'SIGHUP', gracefullyCloseChrome));
|
|
/** @type {?Connection} */
|
|
let connection = null;
|
|
try {
|
|
if (!usePipe) {
|
|
const browserWSEndpoint = await waitForWSEndpoint(chromeProcess, timeout, this._preferredRevision);
|
|
const transport = await WebSocketTransport.create(browserWSEndpoint);
|
|
connection = new Connection(browserWSEndpoint, transport, slowMo);
|
|
} else {
|
|
const transport = new PipeTransport(/** @type {!NodeJS.WritableStream} */(chromeProcess.stdio[3]), /** @type {!NodeJS.ReadableStream} */ (chromeProcess.stdio[4]));
|
|
connection = new Connection('', transport, slowMo);
|
|
}
|
|
const browser = await Browser.create(connection, [], ignoreHTTPSErrors, defaultViewport, chromeProcess, gracefullyCloseChrome);
|
|
await browser.waitForTarget(t => t.type() === 'page');
|
|
return browser;
|
|
} catch (e) {
|
|
killChrome();
|
|
throw e;
|
|
}
|
|
|
|
/**
|
|
* @return {Promise}
|
|
*/
|
|
function gracefullyCloseChrome() {
|
|
helper.removeEventListeners(listeners);
|
|
if (temporaryUserDataDir) {
|
|
killChrome();
|
|
} else if (connection) {
|
|
// Attempt to close chrome gracefully
|
|
connection.send('Browser.close').catch(error => {
|
|
debugError(error);
|
|
killChrome();
|
|
});
|
|
}
|
|
return waitForChromeToClose;
|
|
}
|
|
|
|
// This method has to be sync to be used as 'exit' event handler.
|
|
function killChrome() {
|
|
helper.removeEventListeners(listeners);
|
|
if (chromeProcess.pid && !chromeProcess.killed && !chromeClosed) {
|
|
// Force kill chrome.
|
|
try {
|
|
if (process.platform === 'win32')
|
|
childProcess.execSync(`taskkill /pid ${chromeProcess.pid} /T /F`);
|
|
else
|
|
process.kill(-chromeProcess.pid, 'SIGKILL');
|
|
} catch (e) {
|
|
// the process might have already stopped
|
|
}
|
|
}
|
|
// Attempt to remove temporary profile directory to avoid littering.
|
|
try {
|
|
removeFolder.sync(temporaryUserDataDir);
|
|
} catch (e) { }
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {!Launcher.ChromeArgOptions=} options
|
|
* @return {!Array<string>}
|
|
*/
|
|
defaultArgs(options = {}) {
|
|
const {
|
|
devtools = false,
|
|
headless = !devtools,
|
|
args = [],
|
|
userDataDir = null
|
|
} = options;
|
|
const chromeArguments = [...DEFAULT_ARGS];
|
|
if (userDataDir)
|
|
chromeArguments.push(`--user-data-dir=${userDataDir}`);
|
|
if (devtools)
|
|
chromeArguments.push('--auto-open-devtools-for-tabs');
|
|
if (headless) {
|
|
chromeArguments.push(
|
|
'--headless',
|
|
'--hide-scrollbars',
|
|
'--mute-audio'
|
|
);
|
|
}
|
|
if (args.every(arg => arg.startsWith('-')))
|
|
chromeArguments.push('about:blank');
|
|
chromeArguments.push(...args);
|
|
return chromeArguments;
|
|
}
|
|
|
|
/**
|
|
* @return {string}
|
|
*/
|
|
executablePath() {
|
|
return this._resolveExecutablePath().executablePath;
|
|
}
|
|
|
|
/**
|
|
* @param {!(Launcher.BrowserOptions & {browserWSEndpoint?: string, browserURL?: string, transport?: !Puppeteer.ConnectionTransport})} options
|
|
* @return {!Promise<!Browser>}
|
|
*/
|
|
async connect(options) {
|
|
const {
|
|
browserWSEndpoint,
|
|
browserURL,
|
|
ignoreHTTPSErrors = false,
|
|
defaultViewport = {width: 800, height: 600},
|
|
transport,
|
|
slowMo = 0,
|
|
} = options;
|
|
|
|
assert(Number(!!browserWSEndpoint) + Number(!!browserURL) + Number(!!transport) === 1, 'Exactly one of browserWSEndpoint, browserURL or transport must be passed to puppeteer.connect');
|
|
|
|
let connection = null;
|
|
if (transport) {
|
|
connection = new Connection('', transport, slowMo);
|
|
} else if (browserWSEndpoint) {
|
|
const connectionTransport = await WebSocketTransport.create(browserWSEndpoint);
|
|
connection = new Connection(browserWSEndpoint, connectionTransport, slowMo);
|
|
} else if (browserURL) {
|
|
const connectionURL = await getWSEndpoint(browserURL);
|
|
const connectionTransport = await WebSocketTransport.create(connectionURL);
|
|
connection = new Connection(connectionURL, connectionTransport, slowMo);
|
|
}
|
|
|
|
const {browserContextIds} = await connection.send('Target.getBrowserContexts');
|
|
return Browser.create(connection, browserContextIds, ignoreHTTPSErrors, defaultViewport, null, () => connection.send('Browser.close').catch(debugError));
|
|
}
|
|
|
|
/**
|
|
* @return {{executablePath: string, missingText: ?string}}
|
|
*/
|
|
_resolveExecutablePath() {
|
|
// puppeteer-core doesn't take into account PUPPETEER_* env variables.
|
|
if (!this._isPuppeteerCore) {
|
|
const executablePath = process.env.PUPPETEER_EXECUTABLE_PATH || process.env.npm_config_puppeteer_executable_path || process.env.npm_package_config_puppeteer_executable_path;
|
|
if (executablePath) {
|
|
const missingText = !fs.existsSync(executablePath) ? 'Tried to use PUPPETEER_EXECUTABLE_PATH env variable to launch browser but did not find any executable at: ' + executablePath : null;
|
|
return { executablePath, missingText };
|
|
}
|
|
}
|
|
const browserFetcher = new BrowserFetcher(this._projectRoot);
|
|
if (!this._isPuppeteerCore) {
|
|
const revision = process.env['PUPPETEER_CHROMIUM_REVISION'];
|
|
if (revision) {
|
|
const revisionInfo = browserFetcher.revisionInfo(revision);
|
|
const missingText = !revisionInfo.local ? 'Tried to use PUPPETEER_CHROMIUM_REVISION env variable to launch browser but did not find executable at: ' + revisionInfo.executablePath : null;
|
|
return {executablePath: revisionInfo.executablePath, missingText};
|
|
}
|
|
}
|
|
const revisionInfo = browserFetcher.revisionInfo(this._preferredRevision);
|
|
const missingText = !revisionInfo.local ? `Chromium revision is not downloaded. Run "npm install" or "yarn install"` : null;
|
|
return {executablePath: revisionInfo.executablePath, missingText};
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* @param {!Puppeteer.ChildProcess} chromeProcess
|
|
* @param {number} timeout
|
|
* @param {string} preferredRevision
|
|
* @return {!Promise<string>}
|
|
*/
|
|
function waitForWSEndpoint(chromeProcess, timeout, preferredRevision) {
|
|
return new Promise((resolve, reject) => {
|
|
const rl = readline.createInterface({ input: chromeProcess.stderr });
|
|
let stderr = '';
|
|
const listeners = [
|
|
helper.addEventListener(rl, 'line', onLine),
|
|
helper.addEventListener(rl, 'close', () => onClose()),
|
|
helper.addEventListener(chromeProcess, 'exit', () => onClose()),
|
|
helper.addEventListener(chromeProcess, 'error', error => onClose(error))
|
|
];
|
|
const timeoutId = timeout ? setTimeout(onTimeout, timeout) : 0;
|
|
|
|
/**
|
|
* @param {!Error=} error
|
|
*/
|
|
function onClose(error) {
|
|
cleanup();
|
|
reject(new Error([
|
|
'Failed to launch chrome!' + (error ? ' ' + error.message : ''),
|
|
stderr,
|
|
'',
|
|
'TROUBLESHOOTING: https://github.com/GoogleChrome/puppeteer/blob/master/docs/troubleshooting.md',
|
|
'',
|
|
].join('\n')));
|
|
}
|
|
|
|
function onTimeout() {
|
|
cleanup();
|
|
reject(new TimeoutError(`Timed out after ${timeout} ms while trying to connect to Chrome! The only Chrome revision guaranteed to work is r${preferredRevision}`));
|
|
}
|
|
|
|
/**
|
|
* @param {string} line
|
|
*/
|
|
function onLine(line) {
|
|
stderr += line + '\n';
|
|
const match = line.match(/^DevTools listening on (ws:\/\/.*)$/);
|
|
if (!match)
|
|
return;
|
|
cleanup();
|
|
resolve(match[1]);
|
|
}
|
|
|
|
function cleanup() {
|
|
if (timeoutId)
|
|
clearTimeout(timeoutId);
|
|
helper.removeEventListeners(listeners);
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @param {string} browserURL
|
|
* @return {!Promise<string>}
|
|
*/
|
|
function getWSEndpoint(browserURL) {
|
|
let resolve, reject;
|
|
const promise = new Promise((res, rej) => { resolve = res; reject = rej; });
|
|
|
|
const endpointURL = URL.resolve(browserURL, '/json/version');
|
|
const protocol = endpointURL.startsWith('https') ? https : http;
|
|
const requestOptions = Object.assign(URL.parse(endpointURL), { method: 'GET' });
|
|
const request = protocol.request(requestOptions, res => {
|
|
let data = '';
|
|
if (res.statusCode !== 200) {
|
|
// Consume response data to free up memory.
|
|
res.resume();
|
|
reject(new Error('HTTP ' + res.statusCode));
|
|
return;
|
|
}
|
|
res.setEncoding('utf8');
|
|
res.on('data', chunk => data += chunk);
|
|
res.on('end', () => resolve(JSON.parse(data).webSocketDebuggerUrl));
|
|
});
|
|
|
|
request.on('error', reject);
|
|
request.end();
|
|
|
|
return promise.catch(e => {
|
|
e.message = `Failed to fetch browser webSocket url from ${endpointURL}: ` + e.message;
|
|
throw e;
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @typedef {Object} Launcher.ChromeArgOptions
|
|
* @property {boolean=} headless
|
|
* @property {Array<string>=} args
|
|
* @property {string=} userDataDir
|
|
* @property {boolean=} devtools
|
|
*/
|
|
|
|
/**
|
|
* @typedef {Object} Launcher.LaunchOptions
|
|
* @property {string=} executablePath
|
|
* @property {boolean|Array<string>=} ignoreDefaultArgs
|
|
* @property {boolean=} handleSIGINT
|
|
* @property {boolean=} handleSIGTERM
|
|
* @property {boolean=} handleSIGHUP
|
|
* @property {number=} timeout
|
|
* @property {boolean=} dumpio
|
|
* @property {!Object<string, string | undefined>=} env
|
|
* @property {boolean=} pipe
|
|
*/
|
|
|
|
/**
|
|
* @typedef {Object} Launcher.BrowserOptions
|
|
* @property {boolean=} ignoreHTTPSErrors
|
|
* @property {(?Puppeteer.Viewport)=} defaultViewport
|
|
* @property {number=} slowMo
|
|
*/
|
|
|
|
|
|
module.exports = Launcher;
|