57 lines
2.1 KiB
Python
57 lines
2.1 KiB
Python
#
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# 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 horizon.utils import settings as utils_settings
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def check(actions, request, target=None):
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"""Wrapper of the configurable policy method."""
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policy_check = utils_settings.import_setting("POLICY_CHECK_FUNCTION")
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if policy_check:
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return policy_check(actions, request, target)
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return True
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class PolicyTargetMixin(object):
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"""Mixin that adds the get_policy_target function
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policy_target_attrs - a tuple of tuples which defines
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the relationship between attributes in the policy
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target dict and attributes in the passed datum object.
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policy_target_attrs can be overwritten by sub-classes
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which do not use the default, so they can neatly define
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their policy target information, without overriding the
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entire get_policy_target function.
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"""
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policy_target_attrs = (("project_id", "tenant_id"),
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("tenant_id", "tenant_id"),
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("user_id", "user_id"),
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("domain_id", "domain_id"),
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("target.project.domain_id", "domain_id"),
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("target.user.domain_id", "domain_id"),
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("target.group.domain_id", "domain_id"))
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def get_policy_target(self, request, datum=None):
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policy_target = {}
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for policy_attr, datum_attr in self.policy_target_attrs:
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if datum:
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policy_target[policy_attr] = getattr(datum, datum_attr, None)
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else:
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policy_target[policy_attr] = None
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return policy_target
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