78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import abc
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import six
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import keystone.conf
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from keystone import exception
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CONF = keystone.conf.CONF
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@six.add_metaclass(abc.ABCMeta)
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class PolicyDriverBase(object):
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def _get_list_limit(self):
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return CONF.policy.list_limit or CONF.list_limit
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@abc.abstractmethod
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def enforce(self, context, credentials, action, target):
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"""Verify that a user is authorized to perform action.
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For more information on a full implementation of this see:
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`keystone.policy.backends.rules.Policy.enforce`
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"""
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raise exception.NotImplemented() # pragma: no cover
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@abc.abstractmethod
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def create_policy(self, policy_id, policy):
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"""Store a policy blob.
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:raises keystone.exception.Conflict: If a duplicate policy exists.
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"""
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raise exception.NotImplemented() # pragma: no cover
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@abc.abstractmethod
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def list_policies(self):
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"""List all policies."""
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raise exception.NotImplemented() # pragma: no cover
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@abc.abstractmethod
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def get_policy(self, policy_id):
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"""Retrieve a specific policy blob.
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:raises keystone.exception.PolicyNotFound: If the policy doesn't exist.
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"""
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raise exception.NotImplemented() # pragma: no cover
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@abc.abstractmethod
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def update_policy(self, policy_id, policy):
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"""Update a policy blob.
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:raises keystone.exception.PolicyNotFound: If the policy doesn't exist.
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"""
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raise exception.NotImplemented() # pragma: no cover
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@abc.abstractmethod
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def delete_policy(self, policy_id):
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"""Remove a policy blob.
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:raises keystone.exception.PolicyNotFound: If the policy doesn't exist.
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"""
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raise exception.NotImplemented() # pragma: no cover
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