from __future__ import annotations
from platformdirs import user_config_dir
from selenium.webdriver.remote.webdriver import WebDriver
from undetected_chromedriver import Chrome, ChromeOptions
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from os import path
from os import access, R_OK
from . import debug
try:
from pyvirtualdisplay import Display
has_pyvirtualdisplay = True
except ImportError:
has_pyvirtualdisplay = False
def get_browser(
user_data_dir: str = None,
headless: bool = False,
proxy: str = None,
options: ChromeOptions = None
) -> WebDriver:
"""
Creates and returns a Chrome WebDriver with specified options.
Args:
user_data_dir (str, optional): Directory for user data. If None, uses default directory.
headless (bool, optional): Whether to run the browser in headless mode. Defaults to False.
proxy (str, optional): Proxy settings for the browser. Defaults to None.
options (ChromeOptions, optional): ChromeOptions object with specific browser options. Defaults to None.
Returns:
WebDriver: An instance of WebDriver configured with the specified options.
"""
if user_data_dir is None:
user_data_dir = user_config_dir("g4f")
if user_data_dir and debug.logging:
print("Open browser with config dir:", user_data_dir)
if not options:
options = ChromeOptions()
if proxy:
options.add_argument(f'--proxy-server={proxy}')
# Check for system driver in docker
driver = '/usr/bin/chromedriver'
if not path.isfile(driver) or not access(driver, R_OK):
driver = None
return Chrome(
options=options,
user_data_dir=user_data_dir,
driver_executable_path=driver,
headless=headless
)
def get_driver_cookies(driver: WebDriver) -> dict:
"""
Retrieves cookies from the specified WebDriver.
Args:
driver (WebDriver): The WebDriver instance from which to retrieve cookies.
Returns:
dict: A dictionary containing cookies with their names as keys and values as cookie values.
"""
return {cookie["name"]: cookie["value"] for cookie in driver.get_cookies()}
def bypass_cloudflare(driver: WebDriver, url: str, timeout: int) -> None:
"""
Attempts to bypass Cloudflare protection when accessing a URL using the provided WebDriver.
Args:
driver (WebDriver): The WebDriver to use for accessing the URL.
url (str): The URL to access.
timeout (int): Time in seconds to wait for the page to load.
Raises:
Exception: If there is an error while bypassing Cloudflare or loading the page.
"""
driver.get(url)
if driver.find_element(By.TAG_NAME, "body").get_attribute("class") == "no-js":
if debug.logging:
print("Cloudflare protection detected:", url)
try:
driver.switch_to.frame(driver.find_element(By.CSS_SELECTOR, "#turnstile-wrapper iframe"))
WebDriverWait(driver, 5).until(
EC.presence_of_element_located((By.CSS_SELECTOR, "#challenge-stage input"))
).click()
except Exception as e:
if debug.logging:
print(f"Error bypassing Cloudflare: {e}")
finally:
driver.switch_to.default_content()
WebDriverWait(driver, timeout).until(
EC.presence_of_element_located((By.CSS_SELECTOR, "body:not(.no-js)"))
)
class WebDriverSession:
"""
Manages a Selenium WebDriver session, including handling of virtual displays and proxies.
"""
def __init__(
self,
webdriver: WebDriver = None,
user_data_dir: str = None,
headless: bool = False,
virtual_display: bool = False,
proxy: str = None,
options: ChromeOptions = None
):
"""
Initializes a new instance of the WebDriverSession.
Args:
webdriver (WebDriver, optional): A WebDriver instance for the session. Defaults to None.
user_data_dir (str, optional): Directory for user data. Defaults to None.
headless (bool, optional): Whether to run the browser in headless mode. Defaults to False.
virtual_display (bool, optional): Whether to use a virtual display. Defaults to False.
proxy (str, optional): Proxy settings for the browser. Defaults to None.
options (ChromeOptions, optional): ChromeOptions for the browser. Defaults to None.
"""
self.webdriver = webdriver
self.user_data_dir = user_data_dir
self.headless = headless
self.virtual_display = Display(size=(1920, 1080)) if has_pyvirtualdisplay and virtual_display else None
self.proxy = proxy
self.options = options
self.default_driver = None
def reopen(
self,
user_data_dir: str = None,
headless: bool = False,
virtual_display: bool = False
) -> WebDriver:
"""
Reopens the WebDriver session with new settings.
Args:
user_data_dir (str, optional): Directory for user data. Defaults to current value.
headless (bool, optional): Whether to run the browser in headless mode. Defaults to current value.
virtual_display (bool, optional): Whether to use a virtual display. Defaults to current value.
Returns:
WebDriver: The reopened WebDriver instance.
"""
user_data_dir = user_data_data_dir or self.user_data_dir
if self.default_driver:
self.default_driver.quit()
if not virtual_display and self.virtual_display:
self.virtual_display.stop()
self.virtual_display = None
self.default_driver = get_browser(user_data_dir, headless, self.proxy)
return self.default_driver
def __enter__(self) -> WebDriver:
"""
Context management method for entering a session. Initializes and returns a WebDriver instance.
Returns:
WebDriver: An instance of WebDriver for this session.
"""
if self.webdriver:
return self.webdriver
if self.virtual_display:
self.virtual_display.start()
self.default_driver = get_browser(self.user_data_dir, self.headless, self.proxy, self.options)
return self.default_driver
def __exit__(self, exc_type, exc_val, exc_tb):
"""
Context management method for exiting a session. Closes and quits the WebDriver.
Args:
exc_type: Exception type.
exc_val: Exception value.
exc_tb: Exception traceback.
Note:
Closes the WebDriver and stops the virtual display if used.
"""
if self.default_driver:
try:
self.default_driver.close()
except Exception as e:
if debug.logging:
print(f"Error closing WebDriver: {e}")
self.default_driver.quit()
if self.virtual_display:
self.virtual_display.stop()
