Files
mayan-edms/mayan/apps/common/middleware/login_required_middleware.py
2015-01-19 04:06:40 -04:00

39 lines
1.5 KiB
Python

from __future__ import unicode_literals
import re
from django.http import HttpResponseRedirect
from django.conf import settings
from django.core.urlresolvers import reverse
from ..settings import ALLOW_ANONYMOUS_ACCESS
EXEMPT_URLS = [re.compile(reverse(settings.LOGIN_URL).lstrip('/'))]
if hasattr(settings, 'LOGIN_EXEMPT_URLS'):
EXEMPT_URLS += [re.compile(expr) for expr in settings.LOGIN_EXEMPT_URLS]
class LoginRequiredMiddleware:
"""
Middleware that requires a user to be authenticated to view any page other
than LOGIN_URL. Exemptions to this requirement can optionally be specified
in settings via a list of regular expressions in LOGIN_EXEMPT_URLS (which
you can copy from your urls.py).
Requires authentication middleware and template context processors to be
loaded. You'll get an error if they aren't.
"""
def process_request(self, request):
if not ALLOW_ANONYMOUS_ACCESS:
assert hasattr(request, 'user'), "The Login Required middleware\
requires authentication middleware to be installed. Edit your\
MIDDLEWARE_CLASSES setting to insert\
'django.contrib.auth.middlware.AuthenticationMiddleware'. If that doesn't\
work, ensure your TEMPLATE_CONTEXT_PROCESSORS setting includes\
'django.core.context_processors.auth'."
if not request.user.is_authenticated():
path = request.path_info.lstrip('/')
if not any(m.match(path) for m in EXEMPT_URLS):
return HttpResponseRedirect(reverse(settings.LOGIN_URL))