Add CEF Remote Debugging toggle (#129)

* feat: add CEF Remote Debugging toggle

* feat: disable remote debugger on startup

* refactor: stop debugger instead of disable

* feat: add option to allow remote debugging by default

Co-authored-by: TrainDoctor <traindoctor@protonmail.com>

backend/helpers.py

@@ -2,11 +2,15 @@ import certifi
 import ssl
 import uuid
 import re
+import subprocess
 
 from aiohttp.web import middleware, Response
 from subprocess import check_output
 from time import sleep
 
+
+REMOTE_DEBUGGER_UNIT = "steam-web-debug-portforward.service"
+
 # global vars
 csrf_token = str(uuid.uuid4())
 ssl_ctx = ssl.create_default_context(cafile=certifi.where())
@@ -63,3 +67,17 @@ def get_user_group() -> str:
     if group == None:
         raise ValueError("helpers.get_user_group method called before group variable was set. Run helpers.set_user_group first.")
     return group
+
+async def is_systemd_unit_active(unit_name: str) -> bool:
+    res = subprocess.run(["systemctl", "is-active", unit_name], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+    return res.returncode == 0
+
+async def stop_systemd_unit(unit_name: str) -> subprocess.CompletedProcess:
+    cmd = ["systemctl", "stop", unit_name]
+
+    return subprocess.run(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+
+async def start_systemd_unit(unit_name: str) -> subprocess.CompletedProcess:
+    cmd = ["systemctl", "start", unit_name]
+
+    return subprocess.run(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)