mygpo/web/auth.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.contrib.auth.backends import ModelBackend
  19
  20 from mygpo.users.models import User
  21
  22 try:
  23     from django.forms.fields import email_re
  24 except ImportError:
  25     from django.core.validators import email_re
  26
  27
  28 class EmailAuthenticationBackend(ModelBackend):
  29     def authenticate(self, username=None, password=None):
  30         if email_re.search(username):
  31             user = User.get_user_by_email(username)
  32             if not user:
  33                 return None
  34
  35             return user if user.check_password(password) else None
  36         return None
  37
  38     def get_user(self, username):
  39         return User.get_user(username)