mygpo/auth_backends.py

   1 #
   2 # This file is part of my.gpodder.org.
   3 #
   4 # my.gpodder.org is free software: you can redistribute it and/or modify it
   5 # under the terms of the GNU Affero General Public License as published by
   6 # the Free Software Foundation, either version 3 of the License, or (at your
   7 # option) any later version.
   8 #
   9 # my.gpodder.org is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  11 # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
  12 # License for more details.
  13 #
  14 # You should have received a copy of the GNU Affero General Public License
  15 # along with my.gpodder.org. If not, see <http://www.gnu.org/licenses/>.
  16 #
  17
  18 from django.conf import settings
  19 from django.contrib.auth.models import User
  20 from django.contrib.auth.backends import ModelBackend
  21 from django.core.exceptions import ImproperlyConfigured
  22 from django.db.models import get_model
  23
  24 try:
  25     from django.forms.fields import email_re
  26 except ImportError:
  27     from django.core.validators import email_re
  28
  29 class EmailAuthenticationBackend(ModelBackend):
  30     def authenticate(self, username=None, password=None):
  31         if email_re.search(username):
  32             try:
  33                 user = User.objects.filter(email=username)[0]
  34                 return user if user.check_password(password) else None
  35             except:
  36                 return None
  37         return None
  38
  39     def get_user(self, user_id):
  40         try:
  41             return User.objects.get(pk=user_id)
  42         except User.DoesNotExist:
  43             return None
  44