115 lines
5.2 KiB
Python
115 lines
5.2 KiB
Python
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import logging
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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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# Global reference to a instantiated DrydockPolicy. Will be initialized by drydock.py
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policy_engine = None
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class DrydockPolicy(object):
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"""
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Initialize policy defaults
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"""
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# Base Policy
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base_rules = [
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policy.RuleDefault('admin_required', 'role:admin or is_admin:1', description='Actions requiring admin authority'),
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]
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# Orchestrator Policy
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task_rules = [
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policy.DocumentedRuleDefault('physical_provisioner:read_task', 'role:admin', 'Get task status',
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[{'path': '/api/v1.0/tasks', 'method': 'GET'},
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{'path': '/api/v1.0/tasks/{task_id}', 'method': 'GET'}]),
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policy.DocumentedRuleDefault('physical_provisioner:validate_design', 'role:admin', 'Create validate_design task',
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[{'path': '/api/v1.0/tasks', 'method': 'POST'}]),
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policy.DocumentedRuleDefault('physical_provisioner:verify_site', 'role:admin', 'Create verify_site task',
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[{'path': '/api/v1.0/tasks', 'method': 'POST'}]),
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policy.DocumentedRuleDefault('physical_provisioner:prepare_site', 'role:admin', 'Create prepare_site task',
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[{'path': '/api/v1.0/tasks', 'method': 'POST'}]),
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policy.DocumentedRuleDefault('physical_provisioner:verify_node', 'role:admin', 'Create verify_node task',
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[{'path': '/api/v1.0/tasks', 'method': 'POST'}]),
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policy.DocumentedRuleDefault('physical_provisioner:prepare_node', 'role:admin', 'Create prepare_node task',
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[{'path': '/api/v1.0/tasks', 'method': 'POST'}]),
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policy.DocumentedRuleDefault('physical_provisioner:deploy_node', 'role:admin', 'Create deploy_node task',
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[{'path': '/api/v1.0/tasks', 'method': 'POST'}]),
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policy.DocumentedRuleDefault('physical_provisioner:destroy_node', 'role:admin', 'Create destroy_node task',
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[{'path': '/api/v1.0/tasks', 'method': 'POST'}]),
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]
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# Data Management Policy
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data_rules = [
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policy.DocumentedRuleDefault('physical_provisioner:read_data', 'role:admin', 'Read loaded design data',
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[{'path': '/api/v1.0/designs', 'method': 'GET'},
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{'path': '/api/v1.0/designs/{design_id}', 'method': 'GET'}]),
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policy.DocumentedRuleDefault('physical_provisioner:ingest_data', 'role:admin', 'Load design data',
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[{'path': '/api/v1.0/designs', 'method': 'POST'},
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{'path': '/api/v1.0/designs/{design_id}/parts', 'method': 'POST'}])
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]
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def __init__(self):
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self.enforcer = policy.Enforcer(cfg.CONF)
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def register_policy(self):
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self.enforcer.register_defaults(DrydockPolicy.base_rules)
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self.enforcer.register_defaults(DrydockPolicy.task_rules)
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self.enforcer.register_defaults(DrydockPolicy.data_rules)
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self.enforcer.load_rules()
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def authorize(self, action, ctx):
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target = {'project_id': ctx.project_id, 'user_id': ctx.user_id}
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return self.enforcer.authorize(action, target, ctx.to_policy_view())
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class ApiEnforcer(object):
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"""
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A decorator class for enforcing RBAC policies
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"""
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def __init__(self, action):
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self.action = action
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self.logger = logging.getLogger('drydock.policy')
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def __call__(self, f):
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@functools.wraps(f)
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def secure_handler(slf, req, resp, *args):
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ctx = req.context
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policy_engine = ctx.policy_engine
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self.logger.debug("Enforcing policy %s on request %s" % (self.action, ctx.request_id))
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if policy_engine is not None and policy_engine.authorize(self.action, ctx):
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return f(slf, req, resp, *args)
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else:
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if ctx.authenticated:
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slf.info(ctx, "Error - Forbidden access - action: %s" % self.action)
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slf.return_error(resp, falcon.HTTP_403, message="Forbidden", retry=False)
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else:
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slf.info(ctx, "Error - Unauthenticated access")
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slf.return_error(resp, falcon.HTTP_401, message="Unauthenticated", retry=False)
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return secure_handler
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def list_policies():
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default_policy = []
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default_policy.extend(DrydockPolicy.base_rules)
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default_policy.extend(DrydockPolicy.task_rules)
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default_policy.extend(DrydockPolicy.data_rules)
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return default_policy
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