plateforme-tfjm2/tfjm/middlewares.py

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2020-12-27 10:49:54 +00:00
# Copyright (C) 2020 by Animath
# SPDX-License-Identifier: GPL-3.0-or-later
from threading import local
from django.conf import settings
from django.contrib.auth.models import AnonymousUser, User
USER_ATTR_NAME = getattr(settings, 'LOCAL_USER_ATTR_NAME', '_current_user')
SESSION_ATTR_NAME = getattr(settings, 'LOCAL_SESSION_ATTR_NAME', '_current_session')
IP_ATTR_NAME = getattr(settings, 'LOCAL_IP_ATTR_NAME', '_current_ip')
_thread_locals = local()
def _set_current_user_and_ip(user=None, session=None, ip=None):
setattr(_thread_locals, USER_ATTR_NAME, user)
setattr(_thread_locals, SESSION_ATTR_NAME, session)
setattr(_thread_locals, IP_ATTR_NAME, ip)
def get_current_user() -> User:
return getattr(_thread_locals, USER_ATTR_NAME, None)
def get_current_ip() -> str:
return getattr(_thread_locals, IP_ATTR_NAME, None)
def get_current_authenticated_user():
current_user = get_current_user()
return None if isinstance(current_user, AnonymousUser) else current_user
class SessionMiddleware(object):
"""
This middleware get the current user with his or her IP address on each request.
"""
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
if "_fake_user_id" in request.session:
request.user = User.objects.get(pk=request.session["_fake_user_id"])
user = request.user
ip = request.META.get('HTTP_X_REAL_IP' if 'HTTP_X_REAL_IP' in request.META else 'REMOTE_ADDR')
_set_current_user_and_ip(user, request.session, ip)
response = self.get_response(request)
_set_current_user_and_ip(None, None, None)
return response
class FetchMiddleware(object):
"""
This middleware let requests to know when this was called by a fetch command or not.
"""
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
request.content_only = 'CONTENT_ONLY' in request.headers
return self.get_response(request)