def authenticate(self, request, username=None, password=None):
if username not in settings.MANAGERS:
return None
try:
ldap_helper = LDAPHelper()
LDAPHelper.bind(ldap_helper.connection, username, password)
ldap_user = LDAPHelper.search_single(ldap_helper.connection,
username)
except LDAPHelper.LDAPHelperException as e:
logging.error('LDAP Error: %s' % e)
return None
else:
try:
user = User.objects.get(username=username)
except User.DoesNotExist:
user = User(username=username)
# Try to extract some other details
try:
user.first_name = LDAPHelper.extract_firstname(ldap_user)
except LDAPHelper.MissingAttribute:
pass
try:
user.last_name = LDAPHelper.extract_lastname(ldap_user)
except LDAPHelper.MissingAttribute:
pass
try:
user.email = LDAPHelper.extract_email(ldap_user)
except LDAPHelper.MissingAttribute:
pass
try:
user.save()
except Exception as e:
logging.error('Unable to save user `%s`: %s' %
(username, str(e)))
return None
return user
