haikal/inventory/middleware.py

150 lines
5.2 KiB
Python

import logging
from django.http import Http404, HttpResponseForbidden
from django.shortcuts import redirect
from inventory import models
from django.utils import timezone
from inventory.utils import get_user_type
logger = logging.getLogger("user_activity")
# class LogUserActivityMiddleware:
# """
# Middleware for logging user activity.
# This middleware logs the activity of authenticated users each time they make a
# request. It creates an entry in the UserActivityLog model capturing the user's
# ID, the action performed, and the timestamp. It is intended to assist in
# tracking user actions across the application for analytics or auditing purposes.
# :ivar get_response: The next middleware or view in the WSGI request-response
# chain.
# :type get_response: Callable
# """
# def __init__(self, get_response):
# self.get_response = get_response
# def __call__(self, request):
# response = self.get_response(request)
# if request.user.is_authenticated:
# action = f"{request.method} {request.path}"
# models.UserActivityLog.objects.create(
# user=request.user, action=action, timestamp=timezone.now()
# )
# return response
# def get_client_ip(self, request):
# x_forwarded_for = request.META.get("HTTP_X_FORWARDED_FOR")
# if x_forwarded_for:
# return x_forwarded_for.split(",")[0]
# return request.META.get("REMOTE_ADDR")
class InjectParamsMiddleware:
"""
Middleware to add processed user-related parameters to the request object.
This middleware processes incoming requests to extract and enhance user
information, specifically linking user context such as `dealer` to the
request. It allows subsequent views and middlewares to access these enriched
request parameters with ease.
:ivar get_response: The callable to get the next middleware or view response.
:type get_response: Callable
"""
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
try:
if request.user.is_authenticated:
request.dealer = get_user_type(request)
request.entity = request.dealer.entity
else:
request.dealer = None
except Exception:
pass
response = self.get_response(request)
return response
class InjectDealerMiddleware:
"""
Middleware to inject user role attributes into the request object.
This middleware assigns boolean attributes to the request object to indicate
whether the user is a dealer or a staff member. It checks for the presence of
specific user attributes (`dealer` and `staffmember`) and sets corresponding
flags accordingly. The middleware is designed to support role-based processing
in requests.
:ivar get_response: The callable provided by the Django framework
to process the next middleware or the view in the request-response cycle.
:type get_response: Callable
"""
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
try:
if request.user.is_authenticated:
request.is_dealer = False
request.is_staff = False
if hasattr(request.user, "dealer"):
request.is_dealer = True
elif hasattr(request.user, "staffmember"):
request.is_staff = True
except Exception:
pass
response = self.get_response(request)
return response
# class OTPVerificationMiddleware:
# def __init__(self, get_response):
# self.get_response = get_response
#
# def __call__(self, request):
# if request.user.is_authenticated and not request.session.get('otp_verified', False):
# return redirect(reverse('verify_otp'))
# return self.get_response(request)
class DealerSlugMiddleware:
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
response = self.get_response(request)
return response
def process_view(self, request, view_func, view_args, view_kwargs):
if request.path_info.startswith('/en/signup/') or \
request.path_info.startswith('/en/login/') or \
request.path_info.startswith('/en/logout/') or \
request.path_info.startswith('/en/ledger/') or \
request.path_info.startswith('/ar/ledger/') or \
request.path_info.startswith('/en/notifications/') or \
request.path_info.startswith('/ar/notifications/'):
return None
if not request.user.is_authenticated:
return None
dealer_slug = view_kwargs.get("dealer_slug")
if not dealer_slug:
return None
if not hasattr(request, 'dealer') or not request.dealer:
logger.warning("No dealer associated with request")
return None
if dealer_slug.lower() != request.dealer.slug.lower():
logger.warning(f"Dealer slug mismatch: {dealer_slug} != {request.dealer.slug}")
raise Http404("Dealer slug mismatch")
return None