57 lines
2.1 KiB
Python
57 lines
2.1 KiB
Python
# Copyright (c) 2015 Mirantis, Inc.
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# All Rights Reserved.
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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 neutron_lib.plugins import directory
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from pecan import hooks
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import webob
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from neutron._i18n import _
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class OwnershipValidationHook(hooks.PecanHook):
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priority = 125
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def before(self, state):
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if state.request.method != 'POST':
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return
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for item in state.request.context.get('resources', []):
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self._validate_network_tenant_ownership(state, item)
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def _validate_network_tenant_ownership(self, state, resource_item):
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# TODO(salvatore-orlando): consider whether this check can be folded
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# in the policy engine
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neutron_context = state.request.context.get('neutron_context')
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resource = state.request.context.get('resource')
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if (neutron_context.is_admin or neutron_context.is_advsvc or
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resource not in ('port', 'subnet')):
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return
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plugin = directory.get_plugin()
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network = plugin.get_network(neutron_context,
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resource_item['network_id'])
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# do not perform the check on shared networks
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if network.get('shared'):
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return
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network_owner = network['tenant_id']
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if network_owner != resource_item['tenant_id']:
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msg = _("Tenant %(tenant_id)s not allowed to "
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"create %(resource)s on this network")
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raise webob.exc.HTTPForbidden(msg % {
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"tenant_id": resource_item['tenant_id'],
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"resource": resource,
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})
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