65 lines
1.6 KiB
Python
65 lines
1.6 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 functools
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from oslo_config import cfg
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from oslo_policy import policy
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from armada.common import policies
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from armada.exceptions import base_exception as exc
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CONF = cfg.CONF
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_ENFORCER = None
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def reset_policy():
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global _ENFORCER
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if _ENFORCER:
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_ENFORCER.clear()
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_ENFORCER = None
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def setup_policy():
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global _ENFORCER
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if not _ENFORCER:
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_ENFORCER = policy.Enforcer(CONF)
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register_rules(_ENFORCER)
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def _enforce_policy(action, target, credentials, do_raise=True):
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extras = {}
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if do_raise:
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extras.update(exc=exc.ActionForbidden, do_raise=do_raise)
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_ENFORCER.enforce(action, target, credentials.to_policy_view(), **extras)
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def enforce(rule):
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def decorator(func):
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@functools.wraps(func)
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def handler(*args, **kwargs):
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setup_policy()
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context = args[1].context
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_enforce_policy(rule, {}, context, do_raise=True)
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return func(*args, **kwargs)
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return handler
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return decorator
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def register_rules(enforcer):
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enforcer.register_defaults(policies.list_rules())
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