jumpserver/apps/authentication/backends/pubkey.py

40 lines
1.2 KiB
Python

# -*- coding: utf-8 -*-
#
from django.contrib.auth import get_user_model
UserModel = get_user_model()
__all__ = ['PublicKeyAuthBackend']
class PublicKeyAuthBackend:
def authenticate(self, request, username=None, public_key=None, **kwargs):
if not public_key:
return None
if username is None:
username = kwargs.get(UserModel.USERNAME_FIELD)
try:
user = UserModel._default_manager.get_by_natural_key(username)
except UserModel.DoesNotExist:
return None
else:
if user.check_public_key(public_key) and \
self.user_can_authenticate(user):
return user
@staticmethod
def user_can_authenticate(user):
"""
Reject users with is_active=False. Custom user models that don't have
that attribute are allowed.
"""
is_active = getattr(user, 'is_active', None)
return is_active or is_active is None
def get_user(self, user_id):
try:
user = UserModel._default_manager.get(pk=user_id)
except UserModel.DoesNotExist:
return None
return user if self.user_can_authenticate(user) else None