2015-05-17 21:24:41 +00:00
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# ⁻*- coding: utf-8 -*-
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2015-05-27 20:10:06 +00:00
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License version 3 for
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# more details.
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#
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# You should have received a copy of the GNU General Public License version 3
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# along with this program; if not, write to the Free Software Foundation, Inc., 51
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# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# (c) 2015 Valentin Samir
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2015-05-27 19:56:39 +00:00
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"""Some authentication classes for the CAS"""
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2015-05-17 21:24:41 +00:00
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from django.conf import settings
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2015-12-12 16:26:19 +00:00
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from django.contrib.auth import get_user_model
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2016-06-26 13:34:26 +00:00
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try: # pragma: no cover
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2015-05-17 21:24:41 +00:00
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import MySQLdb
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import MySQLdb.cursors
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2016-06-26 18:29:47 +00:00
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from utils import check_password
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2015-05-17 21:24:41 +00:00
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except ImportError:
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MySQLdb = None
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2015-05-27 19:56:39 +00:00
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2015-06-12 16:10:52 +00:00
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2015-12-12 16:26:19 +00:00
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class AuthUser(object):
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def __init__(self, username):
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self.username = username
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def test_password(self, password):
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"""test `password` agains the user"""
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2016-06-26 09:16:41 +00:00
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raise NotImplementedError()
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2015-12-12 16:26:19 +00:00
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def attributs(self):
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"""return a dict of user attributes"""
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2016-06-26 09:16:41 +00:00
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raise NotImplementedError()
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2015-12-12 16:26:19 +00:00
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2016-06-26 13:34:26 +00:00
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class DummyAuthUser(AuthUser): # pragma: no cover
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2015-05-27 19:56:39 +00:00
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"""A Dummy authentication class"""
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2015-06-12 16:10:52 +00:00
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2015-05-17 21:24:41 +00:00
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def __init__(self, username):
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2015-12-12 16:26:19 +00:00
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super(DummyAuthUser, self).__init__(username)
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2015-05-17 21:24:41 +00:00
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def test_password(self, password):
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2015-05-27 19:56:39 +00:00
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"""test `password` agains the user"""
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2015-05-17 21:24:41 +00:00
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return False
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def attributs(self):
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2015-05-27 19:56:39 +00:00
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"""return a dict of user attributes"""
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2015-05-17 21:24:41 +00:00
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return {}
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2015-12-12 16:26:19 +00:00
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class TestAuthUser(AuthUser):
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2015-05-27 19:56:39 +00:00
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"""A test authentication class with one user test having
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alose test as password and some attributes"""
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2015-06-12 16:10:52 +00:00
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2015-05-17 21:24:41 +00:00
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def __init__(self, username):
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2015-05-27 19:56:39 +00:00
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super(TestAuthUser, self).__init__(username)
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2015-05-17 21:24:41 +00:00
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def test_password(self, password):
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2015-05-27 19:56:39 +00:00
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"""test `password` agains the user"""
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2016-06-24 19:06:36 +00:00
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return self.username == settings.CAS_TEST_USER and password == settings.CAS_TEST_PASSWORD
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2015-05-17 21:24:41 +00:00
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def attributs(self):
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2015-05-27 19:56:39 +00:00
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"""return a dict of user attributes"""
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2016-06-24 19:06:36 +00:00
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return settings.CAS_TEST_ATTRIBUTES
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2015-05-17 21:24:41 +00:00
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2016-06-26 13:34:26 +00:00
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class MysqlAuthUser(AuthUser): # pragma: no cover
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2015-05-27 19:56:39 +00:00
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"""A mysql auth class: authentication user agains a mysql database"""
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2015-05-17 21:24:41 +00:00
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user = None
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2015-06-12 16:10:52 +00:00
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2015-05-17 21:24:41 +00:00
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def __init__(self, username):
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mysql_config = {
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2015-05-27 19:56:39 +00:00
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"user": settings.CAS_SQL_USERNAME,
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"passwd": settings.CAS_SQL_PASSWORD,
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"db": settings.CAS_SQL_DBNAME,
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"host": settings.CAS_SQL_HOST,
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"charset": settings.CAS_SQL_DBCHARSET,
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"cursorclass": MySQLdb.cursors.DictCursor
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}
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if not MySQLdb:
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raise RuntimeError("Please install MySQLdb before using the MysqlAuthUser backend")
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conn = MySQLdb.connect(**mysql_config)
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curs = conn.cursor()
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if curs.execute(settings.CAS_SQL_USER_QUERY, (username,)) == 1:
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self.user = curs.fetchone()
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2015-12-19 16:14:02 +00:00
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super(MysqlAuthUser, self).__init__(self.user['username'])
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else:
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super(MysqlAuthUser, self).__init__(username)
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2015-05-17 21:24:41 +00:00
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def test_password(self, password):
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2015-05-27 19:56:39 +00:00
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"""test `password` agains the user"""
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2016-06-26 13:34:26 +00:00
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if self.user:
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2016-06-26 18:29:47 +00:00
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check_password(
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settings.CAS_SQL_PASSWORD_CHECK,
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password,
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self.user["password"],
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settings.CAS_SQL_DBCHARSET
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)
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else:
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return False
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2015-05-17 21:24:41 +00:00
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def attributs(self):
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2015-05-27 19:56:39 +00:00
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"""return a dict of user attributes"""
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2016-06-26 13:34:26 +00:00
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if self.user:
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2015-05-17 21:24:41 +00:00
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return self.user
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2016-06-26 13:34:26 +00:00
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else:
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return {}
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2015-05-17 21:24:41 +00:00
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2015-06-12 16:10:52 +00:00
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2016-06-26 13:34:26 +00:00
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class DjangoAuthUser(AuthUser): # pragma: no cover
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2015-05-27 19:56:39 +00:00
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"""A django auth class: authenticate user agains django internal users"""
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2015-05-17 21:24:41 +00:00
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user = None
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2015-06-12 16:10:52 +00:00
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2015-05-17 21:24:41 +00:00
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def __init__(self, username):
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User = get_user_model()
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2015-05-17 21:24:41 +00:00
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try:
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self.user = User.objects.get(username=username)
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except User.DoesNotExist:
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pass
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super(DjangoAuthUser, self).__init__(username)
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def test_password(self, password):
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2015-05-27 19:56:39 +00:00
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"""test `password` agains the user"""
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2016-06-26 13:34:26 +00:00
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if self.user:
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2015-05-17 21:24:41 +00:00
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return self.user.check_password(password)
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2016-06-26 13:34:26 +00:00
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else:
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return False
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2015-05-17 21:24:41 +00:00
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def attributs(self):
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2015-05-27 19:56:39 +00:00
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"""return a dict of user attributes"""
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2016-06-26 13:34:26 +00:00
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if self.user:
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attr = {}
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for field in self.user._meta.fields:
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attr[field.attname] = getattr(self.user, field.attname)
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2015-05-17 21:24:41 +00:00
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return attr
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else:
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return {}
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