Firewall on Demand

# -*- coding: utf-8 -*- vim:fileencoding=utf-8:

# vim: tabstop=4:shiftwidth=4:softtabstop=4:expandtab

# Copyright (C) 2010-2014 GRNET S.A.

#

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

#

from django.contrib.auth.models import User, UserManager, Permission, Group

from django.conf import settings

class shibauthBackend:

    def authenticate(self, **kwargs):

        username = kwargs.get('username')

        firstname = kwargs.get('firstname')

        lastname = kwargs.get('lastname')

        mail = kwargs.get('mail')

        authsource = kwargs.get('authsource')

        if authsource != 'shibboleth':

            return None

        try:

            user = self._auth_user(username, firstname, lastname, mail)

        except:

            return None

        if not user:

            return None

        return user

    def _auth_user(self, username, firstname, lastname, mail):

        try:

            user = User.objects.get(username__exact=username)

        # The user did not exist. Create one with no privileges

        except: 

            user = User.objects.create_user(username, mail, None)

            user.first_name = firstname

            user.last_name = lastname

            user.is_staff = False

            user.is_superuser = False

            user.is_active = False

            user.save()

        return user

    def get_user(self, user_id):

        try:

            return User.objects.get(pk=user_id)

        except User.DoesNotExist:

            return None