fakebrowser/dist/plugins/evasions/navigator.webdriver/index.js

🤖 Fake fingerprints to bypass anti-bot systems. Simulate mouse and keyboard operations to make behavior like a real person.

'use strict';

const {PuppeteerExtraPlugin} = require('puppeteer-extra-plugin');
const withUtils = require('../_utils/withUtils');
const withWorkerUtils = require('../_utils/withWorkerUtils');

/**
 * Pass the Webdriver Test.
 * Will delete `navigator.webdriver` property.
 */
class Plugin extends PuppeteerExtraPlugin {
    constructor(opts = {}) {
        super(opts);
    }

    get name() {
        return 'evasions/navigator.webdriver';
    }

    async onPageCreated(page) {
        await withUtils(this, page).evaluateOnNewDocument(this.mainFunction);
    }

    // Post Chrome 88.0.4291.0
    // Note: this will add an infobar to Chrome with a warning that an unsupported flag is set
    // To remove this bar on Linux, run: mkdir -p /etc/opt/chrome/policies/managed && echo '{ "CommandLineFlagSecurityWarningsEnabled": false }' > /etc/opt/chrome/policies/managed/managed_policies.json
    async beforeLaunch(options) {
        // If disable-blink-features is already passed, append the AutomationControlled switch
        const idx = options.args.findIndex((arg) => arg.startsWith('--disable-blink-features='));
        if (idx !== -1) {
            const arg = options.args[idx];
            options.args[idx] = `${arg},AutomationControlled`;
        } else {
            options.args.push('--disable-blink-features=AutomationControlled');
        }
    }

    onServiceWorkerContent(jsContent) {
        return withWorkerUtils(this, jsContent).evaluate(this.mainFunction);
    }

    mainFunction = (utils) => {
        // akamai set Object.defineProperty(navigator, 'webdriver', {value:'false'})
        // we cannot delete it

        // noinspection JSUnresolvedVariable
        const webdriverDesc = utils.cache.Descriptor.Navigator.prototype.webdriver
            || utils.cache.Descriptor.WorkerNavigator.prototype.webdriver;

        if (webdriverDesc === undefined) {
            // Post Chrome 89.0.4339.0 and already good
            return;
        }

        // invoke the original getter of prototype, *DO NOT* use the code like: ' navigator.webdriver === false '
        const get_webdriverFunc = webdriverDesc.get.bind(utils.cache.window.navigator);
        if (get_webdriverFunc() === false) {
            // Pre Chrome 89.0.4339.0 and already good
            return;
        }

        // Pre Chrome 88.0.4291.0 and needs patching
        delete Object.getPrototypeOf(navigator).webdriver;
    };

}

module.exports = function (pluginConfig) {
    return new Plugin(pluginConfig);
};