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import certifi
import ssl
import uuid
from subprocess import check_output
from time import sleep
# global vars
csrf_token = str(uuid.uuid4())
ssl_ctx = ssl.create_default_context(cafile=certifi.where())
user = None
group = None
def get_ssl_context():
return ssl_ctx
def get_csrf_token():
return csrf_token
@middleware
async def csrf_middleware(request, handler):
if str(request.method) == "OPTIONS" or request.headers.get('Authentication') == csrf_token or str(request.rel_url) == "/auth/token" or str(request.rel_url).startswith("/plugins/load_main/") or str(request.rel_url).startswith("/static/") or str(request.rel_url).startswith("/legacy/") or str(request.rel_url).startswith("/steam_resource/"):
return await handler(request)
return Response(text='Forbidden', status='403')
# Get the user by checking for the first logged in user. As this is run
# by systemd at startup the process is likely to start before the user
# logs in, so we will wait here until they are available. Note that
# other methods such as getenv wont work as there was no $SUDO_USER to
# start the systemd service.
def set_user():
global user
cmd = "who | awk '{print $1}' | sort | head -1"
while user == None:
name = check_output(cmd, shell=True).decode().strip()
if name not in [None, '']:
user = name
sleep(0.1)
# Get the global user. get_user must be called first.
def get_user() -> str:
global user
if user == None:
raise ValueError("helpers.get_user method called before user variable was set. Run helpers.set_user first.")
return user
# Set the global user group. get_user must be called first
def set_user_group() -> str:
global group
global user
if user == None:
raise ValueError("helpers.set_user_dir method called before user variable was set. Run helpers.set_user first.")
if group == None:
group = check_output(["id", "-g", "-n", user]).decode().strip()
# Get the group of the global user. set_user_group must be called first.
def get_user_group() -> str:
global group
if group == None:
raise ValueError("helpers.get_user_group method called before group variable was set. Run helpers.set_user_group first.")
return group
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