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browser.ts
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browser.ts
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/*
* This file is part of WPPConnect.
*
* WPPConnect is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* WPPConnect is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with WPPConnect. If not, see <https://www.gnu.org/licenses/>.
*/
import * as ChromeLauncher from 'chrome-launcher';
import * as os from 'os';
import * as path from 'path';
import * as rimraf from 'rimraf';
import * as waVersion from '@wppconnect/wa-version';
import axios from 'axios';
import { Browser, BrowserContext, Page } from 'puppeteer';
import puppeteer from 'puppeteer-extra';
import { CreateConfig } from '../config/create-config';
import { puppeteerConfig } from '../config/puppeteer.config';
import StealthPlugin from 'puppeteer-extra-plugin-stealth';
import { useragentOverride } from '../config/WAuserAgente';
import { WebSocketTransport } from './websocket';
import { Logger } from 'winston';
import { SessionToken } from '../token-store';
import { LoadingScreenCallback } from '../api/model';
import { LogLevel } from '../utils/logger';
import { sleep } from '../utils/sleep';
export async function unregisterServiceWorker(page: Page) {
await page.evaluateOnNewDocument(() => {
// Remove existent service worker
navigator.serviceWorker
.getRegistrations()
.then((registrations) => {
for (let registration of registrations) {
registration.unregister();
}
})
.catch((err) => null);
// Disable service worker registration
// @ts-ignore
navigator.serviceWorker.register = new Promise(() => {});
setInterval(() => {
window.onerror = console.error;
window.onunhandledrejection = console.error;
}, 500);
});
}
/**
* Força o carregamento de uma versão específica do WhatsApp WEB
* @param page Página a ser injetada
* @param version Versão ou expressão semver
*/
export async function setWhatsappVersion(
page: Page,
version: string,
log?: (level: LogLevel, message: string, meta?: object) => any
) {
let body: string | null = null;
try {
body = waVersion.getPageContent(version);
} catch (error) {}
if (!body) {
log?.(
'error',
`Version not available for ${version}, using latest as fallback`
);
return;
}
await page.setRequestInterception(true);
page.on('request', (req) => {
if (req.url().startsWith('https://web.whatsapp.com/check-update')) {
req.abort();
return;
}
if (req.url() !== 'https://web.whatsapp.com/') {
req.continue();
return;
}
req.respond({
status: 200,
contentType: 'text/html',
body: body,
});
});
}
export async function initWhatsapp(
page: Page,
token?: SessionToken,
clear = true,
version?: string,
log?: (level: LogLevel, message: string, meta?: object) => any
) {
await page.setUserAgent(useragentOverride);
await unregisterServiceWorker(page);
if (version) {
log?.('verbose', `Setting WhatsApp WEB version to ${version}`);
await setWhatsappVersion(page, version, log);
}
setTimeout(() => {
log?.('verbose', `Loading WhatsApp WEB`);
const timeout = 10 * 1000;
page
.goto(puppeteerConfig.whatsappUrl, {
timeout,
waitUntil: 'domcontentloaded',
})
.catch(() => {});
log?.('verbose', `WhatsApp WEB loaded`);
}, 1000);
return page;
}
let lastPercent = null;
let lastPercentMessage = null;
export async function onLoadingScreen(
page: Page,
onLoadingScreenCallBack?: LoadingScreenCallback
) {
await page.evaluate(`function getElementByXpath(path) {
return document.evaluate(path, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
}`);
await page
.exposeFunction(
'loadingScreen',
async (percent: number, message: string) => {
if (lastPercent !== percent || lastPercentMessage !== message) {
onLoadingScreenCallBack && onLoadingScreenCallBack(percent, message);
lastPercent = percent;
lastPercentMessage = message;
}
}
)
.catch(() => null);
await page.evaluate(
function (selectors) {
let observer = new MutationObserver(function () {
let window2: any = window;
let progressBar = window2.getElementByXpath(selectors.PROGRESS);
let progressMessage = window2.getElementByXpath(
selectors.PROGRESS_MESSAGE
);
if (progressBar) {
if (
this.lastPercent !== progressBar.value ||
this.lastPercentMessage !== progressMessage.innerText
) {
window2.loadingScreen(progressBar.value, progressMessage.innerText);
this.lastPercent = progressBar.value;
this.lastPercentMessage = progressMessage.innerText;
}
}
});
observer.observe(document, {
attributes: true,
childList: true,
characterData: true,
subtree: true,
});
},
{
PROGRESS: "//*[@id='app']/div/div/div[2]/progress",
PROGRESS_MESSAGE: "//*[@id='app']/div/div/div[3]",
}
);
}
export async function injectApi(
page: Page,
onLoadingScreenCallBack?: LoadingScreenCallback
) {
const injected = await page
.evaluate(() => {
// @ts-ignore
return (
typeof window.WAPI !== 'undefined' &&
typeof window.Store !== 'undefined'
);
})
.catch(() => false);
if (injected) {
return;
}
// Wait for some loaded modules
await page
.waitForFunction(
() => ((window as any)?.webpackChunkwhatsapp_web_client?.length || 0) > 3
)
.catch(() => null);
await sleep(100);
await page.addScriptTag({
path: require.resolve('@wppconnect/wa-js'),
});
await page
.evaluate(() => {
WPP.chat.defaultSendMessageOptions.createChat = true;
WPP.conn.setKeepAlive(true);
})
.catch(() => false);
await page.addScriptTag({
path: require.resolve(
path.join(__dirname, '../../dist/lib/wapi', 'wapi.js')
),
});
await onLoadingScreen(page, onLoadingScreenCallBack);
// Make sure WAPI is initialized
await page
.waitForFunction(() => {
return (
typeof window.WAPI !== 'undefined' &&
typeof window.Store !== 'undefined' &&
window.WPP.isReady
);
})
.catch(() => false);
}
/**
* Initializes browser, will try to use chrome as default
* @param session
*/
export async function initBrowser(
session: string,
options: CreateConfig,
logger: Logger
): Promise<Browser> {
if (options.useChrome) {
const chromePath = getChrome();
if (chromePath) {
if (!options.puppeteerOptions) {
options.puppeteerOptions = {};
}
options.puppeteerOptions.executablePath = chromePath;
} else {
logger.warn('Chrome not found, using chromium', {
session,
type: 'browser',
});
}
}
// Use stealth plugin to avoid being detected as a bot
puppeteer.use(StealthPlugin());
let browser = null;
if (options.browserWS && options.browserWS != '') {
const transport = await getTransport(options.browserWS);
browser = await puppeteer.connect({ transport });
} else {
browser = await puppeteer.launch({
headless: options.headless,
devtools: options.devtools,
args: options.browserArgs
? options.browserArgs
: [...puppeteerConfig.chromiumArgs],
...options.puppeteerOptions,
});
// Register an exit callback to remove user-data-dir
try {
const arg = browser
.process()
.spawnargs.find((s: string) => s.startsWith('--user-data-dir='));
if (arg) {
const tmpUserDataDir = arg.split('=')[1];
// Only if path is in TMP directory
if (
path.relative(os.tmpdir(), tmpUserDataDir).startsWith('puppeteer')
) {
process.on('exit', () => {
// Remove only on exit signal
try {
rimraf.sync(tmpUserDataDir);
} catch (error) {}
});
}
}
} catch (error) {}
}
return browser;
}
export async function getOrCreatePage(
browser: Browser | BrowserContext
): Promise<Page> {
const pages = await browser.pages();
if (pages.length) {
return pages[0];
}
return await browser.newPage();
}
/**
* Retrieves chrome instance path
*/
function getChrome() {
try {
return ChromeLauncher.Launcher.getFirstInstallation();
} catch (error) {
return undefined;
}
}
async function getTransport(browserWS: string) {
let error = null;
try {
return await WebSocketTransport.create(browserWS, 10000);
} catch (e) {
error = e;
}
// Automatic get the endpoint
try {
const endpointURL =
browserWS.replace(/ws(s)?:/, 'http$1:') + '/json/version';
const data = await axios.get<any>(endpointURL).then((r) => r.data);
return await WebSocketTransport.create(data.webSocketDebuggerUrl, 10000);
} catch (e) {}
// Throw first error
throw error;
}