claimer for Amazon Prime Gaming (no ext stores)

main.stealth.js

@@ -6,20 +6,6 @@ const URL_LOGIN = 'https://www.epicgames.com/login';
 const URL_CLAIM = 'https://www.epicgames.com/store/en-US/free-games';
 const TIMEOUT = 20 * 1000; // 20s, default is 30s
 
-// stealth with playwright: https://github.com/berstend/puppeteer-extra/issues/454#issuecomment-917437212
-const newStealthContext = async (browser, contextOptions = {}) => {
-  if (!debug) { // fix userAgent in headless mode
-    const dummyContext = await browser.newContext();
-    const originalUserAgent = await (await dummyContext.newPage()).evaluate(() => navigator.userAgent);
-    await dummyContext.close();
-    // console.log('originalUserAgent:', originalUserAgent); // Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/96.0.4664.110 Safari/537.36
-    contextOptions = {
-      ...contextOptions,
-      userAgent: originalUserAgent.replace("Headless", ""), // HeadlessChrome -> Chrome, TODO needed?
-    };
-  }
-};
-
 // could change to .mjs to get top-level-await, but would then also need to change require to import and dynamic import for stealth below would just add more async/await
 (async () => {
   // https://playwright.dev/docs/auth#multi-factor-authentication
@@ -27,7 +13,7 @@ const newStealthContext = async (browser, contextOptions = {}) => {
     channel: 'chrome', // https://playwright.dev/docs/browsers#google-chrome--microsoft-edge
     headless: false,
     viewport: { width: 1280, height: 1280 },
-    userAgent: 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36', // see replace of Headless in newStealthContext above. TODO update if browser is updated!
+    userAgent: 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36', // see replace of Headless in util.newStealthContext. TODO update if browser is updated!
   });
 
   // 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.
@@ -66,11 +52,17 @@ const newStealthContext = async (browser, contextOptions = {}) => {
   // end stealth setup
 
   if (!debug) context.setDefaultTimeout(TIMEOUT);
-  const page = context.pages.length ? context.pages[0] : await context.newPage();
+  const page = context.pages().length ? context.pages()[0] : await context.newPage(); // should always exist
   console.log('userAgent:', await page.evaluate(() => navigator.userAgent));
+
+  const clickIfExists = async selector => {
+    if (await page.locator(selector).count() > 0)
+      await page.click(selector);
+  };
+
   await page.goto(URL_CLAIM, {waitUntil: 'domcontentloaded'}); // default 'load' takes forever
-  // with persistent context the cookie message will only show up the first time, so we can't unconditionally wait for it - just let the user click it.
+  // with persistent context the cookie message will only show up the first time, so we can't unconditionally wait for it - try to catch it or let the user click it.
-  // await page.click('button:has-text("Accept All Cookies")'); // to not waste screen space in --debug
+  await clickIfExists('button:has-text("Accept All Cookies")'); // to not waste screen space in --debug
   while (await page.locator('a[role="button"]:has-text("Sign In")').count() > 0) {
     console.error("Not signed in anymore. Please login and then navigate to the 'Free Games' page.");
     context.setDefaultTimeout(0); // give user time to log in without timeout

prime-gaming.js

@@ -0,0 +1,89 @@
+//@ts-check
+const { chromium } = require('playwright'); // stealth plugin needs no outdated playwright-extra
+const debug = process.env.PWDEBUG == '1'; // runs headful and opens https://playwright.dev/docs/inspector
+
+// const URL_LOGIN = 'https://www.amazon.de/ap/signin'; // wrong. needs some session args to be valid?
+const URL_CLAIM = 'https://gaming.amazon.com/home';
+const TIMEOUT = 20 * 1000; // 20s, default is 30s
+
+// could change to .mjs to get top-level-await, but would then also need to change require to import and dynamic import for stealth below would just add more async/await
+(async () => {
+  // https://playwright.dev/docs/auth#multi-factor-authentication
+  const context = await chromium.launchPersistentContext('userDataDir', {
+    channel: 'chrome', // https://playwright.dev/docs/browsers#google-chrome--microsoft-edge
+    headless: false,
+    viewport: { width: 1280, height: 1280 },
+    userAgent: 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36', // see replace of Headless in newStealthContext above. TODO update if browser is updated!
+  });
+
+  // stealth with playwright: https://github.com/berstend/puppeteer-extra/issues/454#issuecomment-917437212
+  // https://github.com/berstend/puppeteer-extra/tree/master/packages/puppeteer-extra-plugin-stealth/evasions
+  const enabledEvasions = [
+    'chrome.app',
+    'chrome.csi',
+    'chrome.loadTimes',
+    'chrome.runtime',
+    // 'defaultArgs',
+    'iframe.contentWindow',
+    'media.codecs',
+    'navigator.hardwareConcurrency',
+    'navigator.languages',
+    'navigator.permissions',
+    'navigator.plugins',
+    // 'navigator.vendor',
+    'navigator.webdriver',
+    'sourceurl',
+    // 'user-agent-override', // doesn't work since playwright has no page.browser()
+    'webgl.vendor',
+    'window.outerdimensions'
+  ];
+  const evasions = enabledEvasions.map(e => new require(`puppeteer-extra-plugin-stealth/evasions/${e}`));
+  const stealth = {
+    callbacks: [],
+    async evaluateOnNewDocument(...args) {
+      this.callbacks.push({ cb: args[0], a: args[1] })
+    }
+  }
+  evasions.forEach(e => e().onPageCreated(stealth));
+  for (let evasion of stealth.callbacks) {
+    await context.addInitScript(evasion.cb, evasion.a);
+  }
+  // end stealth setup
+
+  if (!debug) context.setDefaultTimeout(TIMEOUT);
+  // const page = /* context.pages().length ? context.pages[0] : */ await context.newPage();
+  const page = context.pages()[0];
+  console.log('userAgent:', await page.evaluate(() => navigator.userAgent));
+
+  const clickIfExists = async selector => {
+    if (await page.locator(selector).count() > 0)
+      await page.click(selector);
+  };
+
+  await page.goto(URL_CLAIM, {waitUntil: 'domcontentloaded'}); // default 'load' takes forever
+  await clickIfExists('[aria-label="Cookies usage disclaimer banner"] button:has-text("Accept Cookies")'); // to not waste screen space in --debug
+  while (await page.locator('button:has-text("Sign in")').count() > 0) {
+    console.error("Not signed in anymore. Please login and then navigate to the 'Free Games' page.");
+    await page.click('button:has-text("Sign in")');
+    if (!debug) context.setDefaultTimeout(0); // give user time to log in without timeout
+    await page.waitForNavigation({url: 'https://gaming.amazon.com/home?signedIn=true'});
+    if (!debug) context.setDefaultTimeout(TIMEOUT);
+  }
+  console.log('Signed in.');
+  const game_sel = 'div[data-a-target="offer-list-FGWP_FULL"] .offer__action:has-text("Claim game")';
+  await page.waitForSelector(game_sel); // TODO this will just time out if all games are already claimed!
+  const n = await page.locator(game_sel).count();
+  console.log('Number of free unclaimed games:', n);
+  console.log('Number of already claimed games:', await page.locator('div[data-a-target="offer-list-FGWP_FULL"] p:has-text("Claimed")').count());
+  const games = await page.$$(game_sel);
+  // for (let i=1; i<=n; i++) {
+  for (const card of games) {
+    // const card = page.locator(`:nth-match(${game_sel}, ${i})`); // this will reevaluate after games are claimed and index will be wrong
+    // const title = await card.locator('h3').first().innerText();
+    const title = await (await card.$('h3')).innerText();
+    console.log('Current free game:', title);
+    await (await card.$('button')).click();
+    // await page.pause();
+  }
+  await context.close();
+})();

util.js

@@ -0,0 +1,14 @@
+
+// stealth with playwright: https://github.com/berstend/puppeteer-extra/issues/454#issuecomment-917437212
+const newStealthContext = async (browser, contextOptions = {}) => {
+  if (!debug) { // fix userAgent in headless mode
+    const dummyContext = await browser.newContext();
+    const originalUserAgent = await (await dummyContext.newPage()).evaluate(() => navigator.userAgent);
+    await dummyContext.close();
+    // console.log('originalUserAgent:', originalUserAgent); // Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/96.0.4664.110 Safari/537.36
+    contextOptions = {
+      ...contextOptions,
+      userAgent: originalUserAgent.replace("Headless", ""), // HeadlessChrome -> Chrome, TODO needed?
+    };
+  }
+};