Fix occasional headless issue on Linux when set to "false" (#1199)

* Fix occasional headless issue on Linux when set to "false"

- Add a variable containing the current platform
- Check if the platform is "nt" (Windows) before closing the driver

* Update CHANGELOG.md

---------

Co-authored-by: ilike2burnthing <59480337+ilike2burnthing@users.noreply.github.com>

src/flaresolverr.py

@@ -101,6 +101,9 @@ if __name__ == "__main__":
     logging.info(f'FlareSolverr {utils.get_flaresolverr_version()}')
     logging.debug('Debug log enabled')
 
+    # Get current OS for global variable
+    utils.get_current_platform()
+
     # test browser installation
     flaresolverr_service.test_browser_installation()
 

src/flaresolverr_service.py

@@ -245,7 +245,8 @@ def _resolve_challenge(req: V1RequestBase, method: str) -> ChallengeResolutionT:
         raise Exception('Error solving the challenge. ' + str(e).replace('\n', '\\n'))
     finally:
         if not req.session and driver is not None:
-            driver.close()
+            if utils.PLATFORM_VERSION == "nt":
+                driver.close()
             driver.quit()
             logging.debug('A used instance of webdriver has been destroyed')
 

src/sessions.py

@@ -66,7 +66,8 @@ class SessionsStorage:
             return False
 
         session = self.sessions.pop(session_id)
-        session.driver.close()
+        if utils.PLATFORM_VERSION == "nt":
+            session.driver.close()
         session.driver.quit()
         return True
 

src/undetected_chromedriver/devtool.py

@@ -2,6 +2,7 @@ import asyncio
 from collections.abc import Mapping
 from collections.abc import Sequence
 from functools import wraps
+import os
 import logging
 import threading
 import time
@@ -187,5 +188,6 @@ def test():
 
     time.sleep(10)
 
-    driver.close()
+    if os.name == "nt":
+        driver.close()
     driver.quit()

src/utils.py

@@ -11,6 +11,7 @@ from selenium.webdriver.chrome.webdriver import WebDriver
 import undetected_chromedriver as uc
 
 FLARESOLVERR_VERSION = None
+PLATFORM_VERSION = None
 CHROME_EXE_PATH = None
 CHROME_MAJOR_VERSION = None
 USER_AGENT = None
@@ -38,6 +39,13 @@ def get_flaresolverr_version() -> str:
         FLARESOLVERR_VERSION = json.loads(f.read())['version']
         return FLARESOLVERR_VERSION
 
+def get_current_platform() -> str:
+    global PLATFORM_VERSION
+    if PLATFORM_VERSION is not None:
+        return PLATFORM_VERSION
+    PLATFORM_VERSION = os.name
+    return PLATFORM_VERSION
+
 
 def create_proxy_extension(proxy: dict) -> str:
     parsed_url = urllib.parse.urlparse(proxy['url'])
@@ -314,7 +322,8 @@ def get_user_agent(driver=None) -> str:
         raise Exception("Error getting browser User-Agent. " + str(e))
     finally:
         if driver is not None:
-            driver.close()
+            if PLATFORM_VERSION == "nt":
+                driver.close()
             driver.quit()