django-cas-server/cas_server/auth.py

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2015-05-17 21:24:41 +00:00
# ⁻*- coding: utf-8 -*-
from django.conf import settings
from django.contrib.auth.models import User
try:
import MySQLdb
import MySQLdb.cursors
import crypt
except ImportError:
MySQLdb = None
class DummyAuthUser(object):
def __init__(self, username):
self.username = username
def test_password(self, password):
return False
def attributs(self):
return {}
class TestAuthUser(DummyAuthUser):
def __init__(self, username):
self.username = username
def test_password(self, password):
return self.username == "test" and password == "test"
def attributs(self):
return {'nom':'Nymous', 'prenom':'Ano', 'email':'anonymous@example.net'}
class MysqlAuthUser(DummyAuthUser):
user = None
def __init__(self, username):
mysql_config = {
"user": settings.CAS_SQL_USERNAME,
"passwd": settings.CAS_SQL_PASSWORD,
"db": settings.CAS_SQL_DBNAME,
"host": settings.CAS_SQL_HOST,
"charset":settings.CAS_SQL_DBCHARSET,
"cursorclass":MySQLdb.cursors.DictCursor
}
if not MySQLdb:
raise RuntimeError("Please install MySQLdb before using the MysqlAuthUser backend")
conn = MySQLdb.connect(**mysql_config)
curs = conn.cursor()
if curs.execute(settings.CAS_SQL_USER_QUERY, (username,)) == 1:
self.user = curs.fetchone()
super(MysqlAuthUser, self).__init__(username)
def test_password(self, password):
if not self.user:
return False
else:
if settings.CAS_SQL_PASSWORD_CHECK == "plain":
return password == self.user["password"]
elif settings.CAS_SQL_PASSWORD_CHECK == "crypt":
if self.user["password"].startswith('$'):
salt = '$'.join(self.user["password"].split('$', 3)[:-1])
return crypt.crypt(password, salt) == self.user["password"]
else:
return crypt.crypt(password, self.user["password"][:2]) == self.user["password"]
def attributs(self):
if not self.user:
return {}
else:
return self.user
class DjangoAuthUser(DummyAuthUser):
user = None
def __init__(self, username):
try:
self.user = User.objects.get(username=username)
except User.DoesNotExist:
pass
super(DjangoAuthUser, self).__init__(username)
def test_password(self, password):
if not self.user:
return False
else:
return self.user.check_password(password)
def attributs(self):
if not self.user:
return {}
else:
attr = {}
for field in self.user._meta.fields:
attr[field.attname]=getattr(self.user, field.attname)
return attr