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# Copyright (c) 2013 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import abc
class AuthBackend(object, metaclass=abc.ABCMeta):
def __init__(self, conf):
self.conf = conf
@abc.abstractmethod
def authenticate(self, api_version, request):
"""Authenticates the user in the selected backend.
Auth backends will have to manipulate the
request and prepare it to send the auth information
back to Zaqar's instance.
:params api_version: Zaqar's API version.
:params request: Request Spec instance
that can be manipulated by the backend
if the authentication succeeds.
:returns: The modified request spec.
"""
class NoAuth(AuthBackend):
"""No Auth Plugin."""
def authenticate(self, api_version, req):
return req
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