fix: support official reCAPTCHA demo

* fix: support standard reCAPTCHA demo markup

* docs: add ready-to-run reCAPTCHA demo

Author: dariyaanis

README.md

@@ -74,10 +74,19 @@ CAPTCHA_API_KEY=your_api_key
 TARGET_URL=https://your-site.example/captcha-page
 ```
 
-> Before running an example, replace `TARGET_URL` with the target page for your
-> own authorized test. Do not leave the placeholder value. Each example expects
-> the page to contain the corresponding captcha type and may require its
-> selectors or callback names to be adjusted for that page.
+> Before running an example other than `recaptcha_v2.py`, replace `TARGET_URL`
+> with the target page for your own authorized test. Do not leave the placeholder
+> value. Each example expects the page to contain the corresponding captcha type
+> and may require its selectors or callback names to be adjusted for that page.
+
+The reCAPTCHA v2 example is ready to run without setting `TARGET_URL`:
+
+```bash
+python examples/recaptcha_v2.py
+```
+
+It uses the official public reCAPTCHA demo by default. Set `TARGET_URL` only if
+you want to run it against another authorized page.
 
 Run an example from the repository root:
 

examples/recaptcha_v2.py

@@ -1,14 +1,21 @@
 """Solve reCAPTCHA v2 in a SeleniumBase browser session."""
 
+import os
 import time
 
 from captcha_solver_api.tasks import RecaptchaV2TaskProxyless
-from common import create_client, fill_response_field, required_env, show_success, wait_for_xpath
+from common import (
+    create_client,
+    fill_response_field,
+    wait_for_css,
+    wait_for_xpath,
+)
 from seleniumbase import Driver
 
-URL = required_env("TARGET_URL")
-SITEKEY_LOCATOR = "//div[@id='g-recaptcha']"
-SUBMIT_LOCATOR = "//button[@data-action='demo_action']"
+URL = os.getenv("TARGET_URL") or "https://www.google.com/recaptcha/api2/demo"
+SITEKEY_LOCATOR = "//*[@data-sitekey]"
+SUBMIT_LOCATOR = "//*[@type='submit']"
+SUCCESS_SELECTOR = ".recaptcha-success, p.successMessage"
 
 
 def main() -> None:
@@ -28,7 +35,7 @@ def main() -> None:
         )
         fill_response_field(driver, "g-recaptcha-response", solution["gRecaptchaResponse"])
         wait_for_xpath(driver, SUBMIT_LOCATOR).click()
-        show_success(driver)
+        print(wait_for_css(driver, SUCCESS_SELECTOR).text)
         time.sleep(5)