68 lines
2.0 KiB
Python
68 lines
2.0 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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from oslo_policy import policy as common_policy
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from keystone.common import policies
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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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_ENFORCER = None
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def reset():
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global _ENFORCER
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_ENFORCER = None
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def init():
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global _ENFORCER
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if not _ENFORCER:
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_ENFORCER = common_policy.Enforcer(CONF)
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register_rules(_ENFORCER)
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def enforce(credentials, action, target, do_raise=True):
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"""Verify that the action is valid on the target in this context.
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:param credentials: user credentials
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:param action: string representing the action to be checked, which should
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be colon separated for clarity.
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:param target: dictionary representing the object of the action for object
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creation this should be a dictionary representing the
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location of the object e.g. {'project_id':
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object.project_id}
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:raises keystone.exception.Forbidden: If verification fails.
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Actions should be colon separated for clarity. For example:
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* identity:list_users
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"""
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init()
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# Add the exception arguments if asked to do a raise
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extra = {}
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if do_raise:
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extra.update(exc=exception.ForbiddenAction, action=action,
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do_raise=do_raise)
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return _ENFORCER.enforce(action, target, credentials, **extra)
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def register_rules(enforcer):
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enforcer.register_defaults(policies.list_rules())
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