Sith/core/middleware.py
2024-09-23 10:25:27 +02:00

74 lines
2.1 KiB
Python

#
# Copyright 2023 © AE UTBM
# ae@utbm.fr / ae.info@utbm.fr
#
# This file is part of the website of the UTBM Student Association (AE UTBM),
# https://ae.utbm.fr.
#
# You can find the source code of the website at https://github.com/ae-utbm/sith
#
# LICENSED UNDER THE GNU GENERAL PUBLIC LICENSE VERSION 3 (GPLv3)
# SEE : https://raw.githubusercontent.com/ae-utbm/sith/master/LICENSE
# OR WITHIN THE LOCAL FILE "LICENSE"
#
#
import importlib
import threading
from django.conf import settings
from django.contrib.auth import get_user
from django.contrib.auth.middleware import (
AuthenticationMiddleware as DjangoAuthenticationMiddleware,
)
from django.utils.functional import SimpleLazyObject
module, klass = settings.AUTH_ANONYMOUS_MODEL.rsplit(".", 1)
AnonymousUser = getattr(importlib.import_module(module), klass)
def get_cached_user(request):
if not hasattr(request, "_cached_user"):
user = get_user(request)
if user.is_anonymous:
user = AnonymousUser()
request._cached_user = user
return request._cached_user
class AuthenticationMiddleware(DjangoAuthenticationMiddleware):
def process_request(self, request):
assert hasattr(request, "session"), (
"The Django authentication middleware requires session middleware "
"to be installed. Edit your MIDDLEWARE setting to insert "
"'django.contrib.sessions.middleware.SessionMiddleware' before "
"'account.middleware.AuthenticationMiddleware'."
)
request.user = SimpleLazyObject(lambda: get_cached_user(request))
_threadlocal = threading.local()
def get_signal_request():
"""Allow to access current request in signals.
This is a hack that looks into the thread
Mainly used for log purpose.
!!!danger
Do not use if your operation is asynchronous.
"""
return getattr(_threadlocal, "request", None)
class SignalRequestMiddleware:
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
_threadlocal.request = request
return self.get_response(request)