68 lines
2.1 KiB
Python
68 lines
2.1 KiB
Python
# Copyright 2012 Managed I.T.
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#
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# Author: Kiall Mac Innes <kiall@managedit.ie>
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#
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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 oslo.config import cfg
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from designate.openstack.common import log as logging
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from designate.openstack.common import policy
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from designate import utils
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from designate import exceptions
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LOG = logging.getLogger(__name__)
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cfg.CONF.register_opts([
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cfg.StrOpt('policy-file', default='policy.json'),
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cfg.StrOpt('policy-default-rule', default='default'),
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])
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def init_policy():
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LOG.info('Initializing Policy')
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policy_files = utils.find_config(cfg.CONF.policy_file)
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if len(policy_files) == 0:
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msg = 'Unable to determine appropriate policy json file'
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raise exceptions.ConfigurationError(msg)
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LOG.info('Using policy_file found at: %s' % policy_files[0])
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with open(policy_files[0]) as fh:
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policy_json = fh.read()
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rules = policy.Rules.load_json(policy_json, cfg.CONF.policy_default_rule)
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policy.set_rules(rules)
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def check(rule, ctxt, target={}, exc=exceptions.Forbidden):
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creds = ctxt.to_dict()
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try:
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result = policy.check(rule, target, creds, exc)
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except Exception:
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result = False
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raise
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else:
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return result
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finally:
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extra = {'policy': {'rule': rule, 'target': target}}
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if result:
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LOG.audit("Policy check succeeded for rule '%s' on target %s",
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rule, repr(target), extra=extra)
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else:
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LOG.audit("Policy check failed for rule '%s' on target: %s",
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rule, repr(target), extra=extra)
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