free-games-claimer/epic-claimer-new.js

import { firefox } from 'playwright-firefox';
import { authenticator } from 'otplib';
import path from 'node:path';
import { existsSync, readFileSync, writeFileSync } from 'node:fs';
import {
  jsonDb,
  datetime,
  stealth,
  filenamify,
  prompt,
  notify,
  html_game_list,
  handleSIGINT,
} from './src/util.js';
import { cfg } from './src/config.js';
import { EPIC_CLIENT_ID, GRAPHQL_ENDPOINT, FREE_GAMES_PROMOTIONS_ENDPOINT, STORE_HOMEPAGE_EN, EPIC_PURCHASE_ENDPOINT, ID_LOGIN_ENDPOINT } from './src/constants.js';
import { setPuppeteerCookies } from './src/cookie.js';
import { getAccountAuth, setAccountAuth } from './src/device-auths.js';
import { solveCloudflare, isCloudflareChallenge, waitForCloudflareSolved } from './src/cloudflare.js';

// Fetch Free Games from API using page.evaluate (browser context)
const fetchFreeGamesAPI = async page => {
  const response = await page.evaluate(async () => {
    const resp = await fetch(FREE_GAMES_PROMOTIONS_ENDPOINT + '?locale=en-US&country=US&allowCountries=US,DE,AT,CH,GB');
    return await resp.json();
  });

  return response?.Catalog?.searchStore?.elements
    ?.filter(g => g.promotions?.promotionalOffers?.[0])
    ?.map(g => {
      const offer = g.promotions.promotionalOffers[0].promotionalOffers[0];
      const mapping = g.catalogNs?.mappings?.[0];
      return {
        title: g.title,
        namespace: mapping?.id || g.productSlug,
        pageSlug: mapping?.pageSlug || g.urlSlug,
        offerId: offer?.offerId,
      };
    }) || [];
};

const URL_CLAIM = 'https://store.epicgames.com/en-US/free-games';
const URL_LOGIN = 'https://www.epicgames.com/id/login?lang=en-US&noHostRedirect=true&redirectUrl=' + URL_CLAIM;
const COOKIES_PATH = path.resolve(cfg.dir.browser, 'epic-cookies.json');
const BEARER_TOKEN_NAME = 'EPIC_BEARER_TOKEN';

// Claim game function
const claimGame = async (page, game) => {
  const purchaseUrl = `https://store.epicgames.com/${game.pageSlug}`;
  console.log(`🎮 ${game.title} → ${purchaseUrl}`);
  const notify_game = { title: game.title, url: purchaseUrl, status: 'failed' };

  await page.goto(purchaseUrl, { waitUntil: 'networkidle' });

  const purchaseBtn = page.locator('button[data-testid="purchase-cta-button"]').first();
  await purchaseBtn.waitFor({ timeout: cfg.timeout });
  const btnText = (await purchaseBtn.textContent() || '').toLowerCase();

  if (btnText.includes('library') || btnText.includes('owned')) {
    notify_game.status = 'existed';
    return notify_game;
  }
  if (cfg.dryrun) {
    notify_game.status = 'skipped';
    return notify_game;
  }

  await purchaseBtn.click({ delay: 50 });

  try {
    await page.waitForSelector('#webPurchaseContainer iframe', { timeout: 15000 });
    const iframe = page.frameLocator('#webPurchaseContainer iframe');

    if (cfg.eg_parentalpin) {
      try {
        await iframe.locator('.payment-pin-code').waitFor({ timeout: 10000 });
        await iframe.locator('input.payment-pin-code__input').first().pressSequentially(cfg.eg_parentalpin);
        await iframe.locator('button:has-text("Continue")').click({ delay: 11 });
      } catch {
        // no PIN needed
      }
    }

    await iframe.locator('button:has-text("Place Order"):not(:has(.payment-loading--loading))').click({ delay: 11 });
    try {
      await iframe.locator('button:has-text("I Accept")').click({ timeout: 5000 });
    } catch {
      // not required
    }
    await page.locator('text=Thanks for your order!').waitFor({ state: 'attached', timeout: cfg.timeout });
    notify_game.status = 'claimed';
  } catch (e) {
    notify_game.status = 'failed';
    const screenshotPath = path.resolve(cfg.dir.screenshots, 'epic-games', 'failed', `${game.offerId || game.pageSlug}_${filenamify(datetime())}.png`);
    await page.screenshot({ path: screenshotPath, fullPage: true }).catch(() => { });
    console.error('  Failed to claim:', e.message);
  }

  return notify_game;
};

// Ensure user is logged in
const ensureLoggedIn = async (page, context) => {
  const isLoggedIn = async () => await page.locator('egs-navigation').getAttribute('isloggedin') === 'true';

  const attemptAutoLogin = async () => {
    if (!cfg.eg_email || !cfg.eg_password) return false;

    try {
      await page.goto(URL_LOGIN, {
        waitUntil: 'domcontentloaded',
        timeout: cfg.login_timeout,
      });

      const emailField = page.locator('input[name="email"], input#email, input[aria-label="Sign in with email"]').first();
      const passwordField = page.locator('input[name="password"], input#password').first();
      const continueBtn = page.locator('button:has-text("Continue"), button#continue, button[type="submit"]').first();

      // Step 1: Email + continue
      if (await emailField.count() > 0) {
        await emailField.fill(cfg.eg_email);
        await continueBtn.click();
      }

      // Step 2: Password + submit
      await passwordField.waitFor({ timeout: cfg.login_visible_timeout });
      await passwordField.fill(cfg.eg_password);

      const rememberMe = page.locator('input[name="rememberMe"], #rememberMe').first();
      if (await rememberMe.count() > 0) await rememberMe.check();
      await continueBtn.click();

      // MFA step
      try {
        await page.waitForURL('**/id/login/mfa**', { timeout: cfg.login_timeout });
        const otp = cfg.eg_otpkey
          ? authenticator.generate(cfg.eg_otpkey)
          : await prompt({
            type: 'text',
            message: 'Enter two-factor sign in code',
            validate: n => n.toString().length === 6 || 'The code must be 6 digits!',
          });

        const codeInputs = page.locator('input[name^="code-input"]');
        if (await codeInputs.count() > 0) {
          const digits = otp.toString().split('');
          for (let i = 0; i < digits.length; i++) {
            const input = codeInputs.nth(i);
            await input.fill(digits[i]);
          }
        } else {
          await page.locator('input[name="code-input-0"]').pressSequentially(otp.toString());
        }
        await continueBtn.click();
      } catch {
        // No MFA
      }

      await page.waitForURL('**/free-games', { timeout: cfg.login_timeout });
      return await isLoggedIn();
    } catch (err) {
      console.error('Auto login failed:', err);
      return false;
    }
  };

  // Use imported isCloudflareChallenge and solveCloudflare from src/cloudflare.js
  const isChallenge = async () => await isCloudflareChallenge(page);

  const solveCloudflareChallenge = async () => {
    const solution = await solveCloudflare(page, URL_CLAIM);
    return solution !== null;
  };

  let loginAttempts = 0;
  const MAX_LOGIN_ATTEMPTS = 3;

  while (!await isLoggedIn() && loginAttempts < MAX_LOGIN_ATTEMPTS) {
    loginAttempts++;
    console.error(`Not signed in (Attempt ${loginAttempts}). Trying automatic login, otherwise please login in the browser.`);
    if (cfg.novnc_port) console.info(`Open http://localhost:${cfg.novnc_port} to login inside the docker container.`);

    if (!cfg.debug) context.setDefaultTimeout(cfg.login_timeout);
    await page.goto(URL_CLAIM, { waitUntil: 'domcontentloaded' });

    if (await isChallenge()) {
      console.warn('Cloudflare challenge detected. Attempting to solve with FlareSolverr...');
      const solved = await solveCloudflareChallenge();
      if (solved) {
        await page.goto(URL_CLAIM, { waitUntil: 'domcontentloaded' });
        continue;
      }
      await notify('epic-games (new): Cloudflare challenge, please solve manually in browser.');
      await page.waitForTimeout(cfg.login_timeout);
      continue;
    }

    const logged = await attemptAutoLogin();
    if (logged) break;

    console.log('Waiting for manual login in the browser (cookies might be invalid).');
    await notify('epic-games (new): please login in browser; cookies invalid or expired.');

    if (cfg.headless) {
      console.log('Run `SHOW=1 node epic-games` to login in the opened browser.');
      await context.close();
      process.exit(1);
    }
    await page.waitForTimeout(cfg.login_timeout);
  }

  if (loginAttempts >= MAX_LOGIN_ATTEMPTS) {
    console.error('Maximum login attempts reached. Exiting.');
    await context.close();
    process.exit(1);
  }

  const user = await page.locator('egs-navigation').getAttribute('displayname');
  console.log(`Signed in as ${user}`);

  if (!cfg.debug) context.setDefaultTimeout(cfg.timeout);
  return user;
};

// Main function to claim Epic Games
export const claimEpicGamesNew = async () => {
  console.log('Starting Epic Games claimer (new mode, browser-based)');
  const db = await jsonDb('epic-games.json', {});
  const notify_games = [];

  const context = await firefox.launchPersistentContext(cfg.dir.browser, {
    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',
    locale: 'en-US',
    recordVideo: cfg.record ? { dir: 'data/record/', size: { width: cfg.width, height: cfg.height } } : undefined,
    recordHar: cfg.record ? { path: `data/record/eg-${filenamify(datetime())}.har` } : undefined,
    handleSIGINT: false,
  });
  handleSIGINT(context);
  await stealth(context);
  if (!cfg.debug) context.setDefaultTimeout(cfg.timeout);

  const page = context.pages().length ? context.pages()[0] : await context.newPage();
  await page.setViewportSize({ width: cfg.width, height: cfg.height });

  // Load cookies from file if available
  if (existsSync(COOKIES_PATH)) {
    try {
      const cookies = JSON.parse(readFileSync(COOKIES_PATH, 'utf8'));
      await context.addCookies(cookies);
      console.log('✅ Cookies loaded from file');
    } catch (error) {
      console.error('Failed to load cookies:', error);
    }
  }

  // Use device auths if available (from legacy mode)
  const deviceAuths = await getAccountAuth();
  if (deviceAuths && cfg.eg_email) {
    const accountAuth = deviceAuths[cfg.eg_email];
    if (accountAuth) {
      console.log('🔄 Reusing device auth from legacy mode');
      const cookies = [
        { name: 'EPIC_SSO_RM', value: accountAuth.deviceAuth?.refreshToken || '', domain: '.epicgames.com', path: '/' },
        { name: 'EPIC_DEVICE', value: accountAuth.deviceAuth?.deviceId || '', domain: '.epicgames.com', path: '/' },
        { name: 'EPIC_SESSION_AP', value: accountAuth.deviceAuth?.accountId || '', domain: '.epicgames.com', path: '/' },
      ];
      await context.addCookies(cookies);
      console.log('✅ Device auth cookies loaded');
    }
  }

  let user;

  try {
    await page.goto(URL_CLAIM, { waitUntil: 'domcontentloaded' });
    user = await ensureLoggedIn(page, context);
    db.data[user] ||= {};

    const freeGames = await fetchFreeGamesAPI(page);
    console.log('Free games via API:', freeGames.map(g => g.pageSlug));

    for (const game of freeGames) {
      const result = await claimGame(page, game);
      notify_games.push(result);
      db.data[user][game.offerId || game.pageSlug] = {
        title: game.title,
        time: datetime(),
        url: `https://store.epicgames.com/${game.pageSlug}`,
        status: result.status,
      };
    }

    // Save cookies to file
    const cookies = await context.cookies();
    writeFileSync(COOKIES_PATH, JSON.stringify(cookies, null, 2));
  } catch (error) {
    process.exitCode ||= 1;
    console.error('--- Exception (new epic):');
    console.error(error);
    if (error.message && process.exitCode !== 130) notify(`epic-games (new) failed: ${error.message.split('\n')[0]}`);
  } finally {
    await db.write();
    if (notify_games.filter(g => g.status === 'claimed' || g.status === 'failed').length) {
      notify(`epic-games (new ${user || 'unknown'}):<br>${html_game_list(notify_games)}`);
    }
  }

  if (cfg.debug && context) {
    console.log(JSON.stringify(await context.cookies(), null, 2));
  }
  await context.close();
};