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eg: use patchright to avoid captcha, #183

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Ralf Vogler 2025-05-16 00:54:28 +02:00
parent 991e0a1449
commit ba69580d51
4 changed files with 83 additions and 25 deletions
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36
epic-games.js
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@ -1,9 +1,10 @@
import { firefox } from 'playwright-firefox'; // stealth plugin needs no outdated playwright-extra
// import { chromium } from 'playwright-chromium';
import { chromium } from 'patchright';
import { authenticator } from 'otplib';
import chalk from 'chalk';
import path from 'path';
import { existsSync, writeFileSync, appendFileSync } from 'fs';
import { resolve, jsonDb, datetime, stealth, filenamify, prompt, notify, html_game_list, handleSIGINT } from './src/util.js';
import { resolve, jsonDb, datetime, filenamify, prompt, notify, html_game_list, handleSIGINT } from './src/util.js';
import { cfg } from './src/config.js';
const screenshot = (...a) => resolve(cfg.dir.screenshots, 'epic-games', ...a);
@ -17,35 +18,26 @@ const db = await jsonDb('epic-games.json', {});
if (cfg.time) console.time('startup');
const browserPrefs = path.join(cfg.dir.browser, 'prefs.js');
if (existsSync(browserPrefs)) {
console.log('Adding webgl.disabled to', browserPrefs);
appendFileSync(browserPrefs, 'user_pref("webgl.disabled", true);'); // apparently Firefox removes duplicates (and sorts), so no problem appending every time
} else {
console.log(browserPrefs, 'does not exist yet, will patch it on next run. Restart the script if you get a captcha.');
}
// https://playwright.dev/docs/auth#multi-factor-authentication
const context = await firefox.launchPersistentContext(cfg.dir.browser, {
const context = await chromium.launchPersistentContext(cfg.dir.browser, {
// channel: 'chrome', // recommended, but `npx patchright install chrome` clashes with system Chrome - https://github.com/Kaliiiiiiiiii-Vinyzu/patchright-nodejs#best-practice----use-chrome-without-fingerprint-injection
headless: cfg.headless,
viewport: { width: cfg.width, height: cfg.height },
userAgent: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0', // see replace of Headless in util.newStealthContext. TODO Windows UA enough to avoid 'device not supported'? update if browser is updated?
// userAgent firefox (macOS): Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:106.0) Gecko/20100101 Firefox/106.0
// userAgent firefox (docker): Mozilla/5.0 (X11; Linux aarch64; rv:109.0) Gecko/20100101 Firefox/115.0
locale: 'en-US', // ignore OS locale to be sure to have english text for locators
// locale: 'en-US', // ignore OS locale to be sure to have english text for locators
recordVideo: cfg.record ? { dir: 'data/record/', size: { width: cfg.width, height: cfg.height } } : undefined, // will record a .webm video for each page navigated; without size, video would be scaled down to fit 800x800
recordHar: cfg.record ? { path: `data/record/eg-${filenamify(datetime())}.har` } : undefined, // will record a HAR file with network requests and responses; can be imported in Chrome devtools
handleSIGINT: false, // have to handle ourselves and call context.close(), otherwise recordings from above won't be saved
// user settings for firefox have to be put in $BROWSER_DIR/user.js
args: [ // https://wiki.mozilla.org/Firefox/CommandLineOptions
// '-kiosk',
// https://peter.sh/experiments/chromium-command-line-switches/
args: [
'--hide-crash-restore-bubble',
],
chromiumSandbox: true, // https://github.com/Kaliiiiiiiiii-Vinyzu/patchright/issues/52
});
handleSIGINT(context);
// console.log(context.browser().browserType()); // browser is null...
if (cfg.debug) console.log(chromium.executablePath());
// Without stealth plugin, the website shows an hcaptcha on login with username/password and in the last step of claiming a game. It may have other heuristics like unsuccessful logins as well. After <6h (TBD) it resets to no captcha again. Getting a new IP also resets.
await stealth(context);
handleSIGINT(context);
if (!cfg.debug) context.setDefaultTimeout(cfg.timeout);
@ -150,7 +142,7 @@ try {
// debug showed that in those cases the href was still correct, so we `goto` the urls instead of clicking.
// Alternative: parse the json loaded to build the page https://store-site-backend-static-ipv4.ak.epicgames.com/freeGamesPromotions
// i.e. filter data.Catalog.searchStore.elements for .promotions.promotionalOffers being set and build URL with .catalogNs.mappings[0].pageSlug or .urlSlug if not set to some wrong id like it was the case for spirit-of-the-north-f58a66 - this is also what's done here: https://github.com/claabs/epicgames-freegames-node/blob/938a9653ffd08b8284ea32cf01ac8727d25c5d4c/src/puppet/free-games.ts#L138-L213
const urlSlugs = await Promise.all((await game_loc.elementHandles()).map(a => a.getAttribute('href')));
const urlSlugs = await Promise.all((await game_loc.all()).map(a => a.getAttribute('href')));
const urls = urlSlugs.map(s => 'https://store.epicgames.com' + s);
console.log('Free games:', urls);