FlareSolverr/src/utils.py

98 lines
3.1 KiB
Python

import json
import logging
import os
from selenium.webdriver.chrome.webdriver import WebDriver
import undetected_chromedriver as uc
FLARESOLVERR_VERSION = None
CHROME_MAJOR_VERSION = None
USER_AGENT = None
def get_config_log_html() -> bool:
return os.environ.get('LOG_HTML', 'false').lower() == 'true'
def get_flaresolverr_version() -> str:
global FLARESOLVERR_VERSION
if FLARESOLVERR_VERSION is not None:
return FLARESOLVERR_VERSION
package_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), os.pardir, 'package.json')
with open(package_path) as f:
FLARESOLVERR_VERSION = json.loads(f.read())['version']
return FLARESOLVERR_VERSION
def get_webdriver() -> WebDriver:
logging.debug('Launching web browser...')
# undetected_chromedriver
options = uc.ChromeOptions()
options.add_argument('--no-sandbox')
options.add_argument('--window-size=1920,1080')
# todo: this param shows a warning in chrome headfull
options.add_argument('--disable-setuid-sandbox')
options.add_argument('--disable-dev-shm-usage')
# note: headless mode is detected
# options.headless = True
# if we are inside the Docker container, we avoid downloading the driver
driver_exe_path = None
version_main = None
if os.path.exists("/app/chromedriver"):
driver_exe_path = "/app/chromedriver"
else:
version_main = get_chrome_major_version()
# downloads and patches the chromedriver
# todo: if we don't set driver_executable_path it downloads, patches, and deletes the driver each time
driver = uc.Chrome(options=options, driver_executable_path=driver_exe_path, version_main=version_main)
# selenium vanilla
# options = webdriver.ChromeOptions()
# options.add_argument('--no-sandbox')
# options.add_argument('--window-size=1920,1080')
# options.add_argument('--disable-setuid-sandbox')
# options.add_argument('--disable-dev-shm-usage')
# driver = webdriver.Chrome(options=options)
return driver
def get_chrome_major_version() -> str:
global CHROME_MAJOR_VERSION
if CHROME_MAJOR_VERSION is not None:
return CHROME_MAJOR_VERSION
chrome_path = uc.find_chrome_executable()
# Example 1: 'Chromium 104.0.5112.79 Arch Linux\n'
# Example 2: 'Google Chrome 104.0.5112.79 Arch Linux\n'
process = os.popen(f"{chrome_path} --version")
complete_version = process.read()
process.close()
CHROME_MAJOR_VERSION = complete_version.split('.')[0].split(' ')[-1]
return CHROME_MAJOR_VERSION
def get_user_agent(driver=None) -> str:
global USER_AGENT
if USER_AGENT is not None:
return USER_AGENT
try:
if driver is None:
driver = get_webdriver()
USER_AGENT = driver.execute_script("return navigator.userAgent")
return USER_AGENT
except Exception as e:
raise Exception("Error getting browser User-Agent. " + str(e))
finally:
if driver is not None:
driver.quit()
def object_to_dict(_object):
return json.loads(json.dumps(_object, default=lambda o: o.__dict__))