From b7b93f4c46238f54ec08461cfd8234cc725410cf Mon Sep 17 00:00:00 2001
From: Ralf Vogler <ralf.vogler@gmail.com>
Date: Tue, 28 Dec 2021 01:47:38 +0100
Subject: [PATCH] check if game already claimed

---
 main.stealth.js | 49 +++++++++++++++++++++++++++++--------------------
 1 file changed, 29 insertions(+), 20 deletions(-)

diff --git a/main.stealth.js b/main.stealth.js
index 0c2a3d5..d7931af 100644
--- a/main.stealth.js
+++ b/main.stealth.js
@@ -3,20 +3,20 @@ if (!existsSync('auth.json')) {
   console.error('Missing auth.json! Run `npm login` to login and create this file by closing the opened browser.');
 }
 
-const { chromium } = require('playwright');
+const { chromium } = require('playwright'); // stealth plugin needs no outdated playwright-extra
 
 (async () => {
   const browser = await chromium.launch({
     channel: 'chrome',
-    headless: false,
+    headless: true,
   });
-  // https://github.com/berstend/puppeteer-extra/issues/454#issuecomment-917437212
-  const originalUserAgent = await (await (await browser.newContext()).newPage()).evaluate(() => { return navigator.userAgent });
-  console.log(originalUserAgent);
+  // stealth with playwright: https://github.com/berstend/puppeteer-extra/issues/454#issuecomment-917437212
+  const originalUserAgent = await (await (await browser.newContext()).newPage()).evaluate(() => navigator.userAgent);
+  console.log('userAgent:', 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
   const context = await browser.newContext({
     storageState: 'auth.json',
     viewport: { width: 1280, height: 1280 },
-    userAgent: originalUserAgent.replace("Headless", ""),
+    userAgent: originalUserAgent.replace("Headless", ""), // HeadlessChrome -> Chrome
   });
   const enabledEvasions = [
     'chrome.app',
@@ -37,30 +37,39 @@ const { chromium } = require('playwright');
   ];
   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] })
-      }
+    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);
+    await context.addInitScript(evasion.cb, evasion.a);
   }
 
   const page = await context.newPage();
   await page.goto('https://www.epicgames.com/store/en-US/free-games');
   // await expect(page.locator('a[role="button"]:has-text("Sign In")')).toHaveCount(0);
   await page.click('button:has-text("Accept All Cookies")'); // to not waste screen space in --debug
+  // click on banner to go to current free game. TODO what if there are multiple games?
   await page.click('[data-testid="offer-card-image-landscape"]');
-  // TODO check if already claimed
-  await page.click('[data-testid="purchase-cta-button"]');
-  await page.click('button:has-text("Continue")');
-  // it then creates an iframe for the rest
-  // await page.frame({ url: /.*store\/purchase.*/ }).click('button:has-text("Place Order")'); // not found because it does not wait for iframe
-  const iframe = page.frameLocator('.webPurchaseContainer iframe')
-  await iframe.locator('button:has-text("Place Order")').click();
-  await iframe.locator('button:has-text("I Agree")').click();
-  await page.pause();
+  const game = await page.locator('h1 div').first().innerText();
+  console.log('Current free game:', game);
+  const btnText = await page.locator('[data-testid="purchase-cta-button"]').innerText();
+  if (btnText.toLowerCase() == 'in library') {
+    console.log('Already in library! Nothing to claim.');
+  } else {
+    await page.click('[data-testid="purchase-cta-button"]');
+    await page.click('button:has-text("Continue")');
+    // it then creates an iframe for the rest
+    // await page.frame({ url: /.*store\/purchase.*/ }).click('button:has-text("Place Order")'); // not found because it does not wait for iframe
+    const iframe = page.frameLocator('.webPurchaseContainer iframe')
+    await iframe.locator('button:has-text("Place Order")').click();
+    await iframe.locator('button:has-text("I Agree")').click();
+    console.log(await page.locator('[data-testid="purchase-cta-button"]').innerText());
+    await page.pause();
+    // await context.waitForEvent("close");
+  }
   await context.close();
   await browser.close();
 })();