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puppeteer-extra-plugin-stealth

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Stealth mode: Applies various techniques to make detection of headless puppeteer harder.

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const test = require('ava') const os = require('os') const { vanillaPuppeteer, addExtra } = require('../../test/util') const { getVanillaFingerPrint, getStealthFingerPrint } = require('../../test/util') const Plugin = require('.') const fingerprintFn = page => page.evaluate('navigator.hardwareConcurrency') test('vanilla: matches real core count', async t => { const { pageFnResult } = await getVanillaFingerPrint(fingerprintFn) t.is(pageFnResult, os.cpus().length) }) test('stealth: default is set to 4', async t => { const { pageFnResult } = await getStealthFingerPrint(Plugin, fingerprintFn) t.is(pageFnResult, 4) }) test('stealth: will override value correctly', async t => { const { pageFnResult } = await getStealthFingerPrint(Plugin, fingerprintFn, { hardwareConcurrency: 8 }) t.is(pageFnResult, 8) }) test('stealth: does patch getters properly', async t => { const puppeteer = addExtra(vanillaPuppeteer).use(Plugin()) const browser = await puppeteer.launch({ headless: true }) const page = await browser.newPage() const results = await page.evaluate(() => { const hasInvocationError = (() => { try { // eslint-disable-next-line dot-notation Object['seal'](Object.getPrototypeOf(navigator)['hardwareConcurrency']) return false } catch (err) { return true } })() return { hasInvocationError, toString: Object.getOwnPropertyDescriptor( Object.getPrototypeOf(navigator), 'hardwareConcurrency' ).get.toString() } }) t.deepEqual(results, { hasInvocationError: true, toString: 'function get hardwareConcurrency() { [native code] }' }) })