# -*- coding: utf-8 -*-
# Copyright (C) 2018 Linaro Limited
#
# Author: Milosz Wasilewski <milosz.wasilewski@linaro.org>
#
# This file is part of LAVA.
#
# LAVA is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License version 3
# as published by the Free Software Foundation
#
# LAVA 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 Affero General Public License
# along with LAVA.  If not, see <http://www.gnu.org/licenses/>.

from rest_framework import authentication
from rest_framework import exceptions
from linaro_django_xmlrpc.models import AuthToken


class LavaTokenAuthentication(authentication.TokenAuthentication):

    model = AuthToken

    def authenticate_credentials(self, key):
        model = self.get_model()
        try:
            token = model.objects.select_related("user").get(secret=key)
        except model.DoesNotExist:
            raise exceptions.AuthenticationFailed("Invalid token.")

        if not token.user.is_active:
            raise exceptions.AuthenticationFailed("User inactive or deleted.")

        return (token.user, token)