95 lines
3.4 KiB
Python
95 lines
3.4 KiB
Python
# Copyright 2011 OpenStack Foundation
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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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"""
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Simple class that stores security context information in the web request.
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Projects should subclass this class if they wish to enhance the request
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context or provide additional information in their specific WSGI pipeline.
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"""
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from oslo_context import context
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from oslo_log import log as logging
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from oslo_utils import reflection
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from trove.common.i18n import _
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from trove.common import local
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from trove.common.serializable_notification import SerializableNotification
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LOG = logging.getLogger(__name__)
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class TroveContext(context.RequestContext):
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"""
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Stores information about the security context under which the user
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accesses the system, as well as additional request information.
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"""
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def __init__(self, limit=None, marker=None, service_catalog=None,
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user_identity=None, instance_id=None, timeout=None,
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**kwargs):
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self.limit = limit
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self.marker = marker
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self.service_catalog = service_catalog
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self.user_identity = user_identity
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self.instance_id = instance_id
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self.timeout = timeout
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super(TroveContext, self).__init__(**kwargs)
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if not hasattr(local.store, 'context'):
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self.update_store()
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def to_dict(self):
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parent_dict = super(TroveContext, self).to_dict()
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parent_dict.update({'limit': self.limit,
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'marker': self.marker,
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'service_catalog': self.service_catalog
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})
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if hasattr(self, 'notification'):
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serialized = SerializableNotification.serialize(self,
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self.notification)
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parent_dict['trove_notification'] = serialized
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return parent_dict
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def update_store(self):
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local.store.context = self
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@classmethod
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def _remove_incompatible_context_args(cls, values):
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realvalues = {}
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args = (reflection.get_callable_args(context.RequestContext.__init__) +
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reflection.get_callable_args(TroveContext.__init__))
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for dict_key in values.keys():
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if dict_key in args:
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realvalues[dict_key] = values.get(dict_key)
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else:
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LOG.warning(_("Argument being removed before instantiating "
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"TroveContext object - %(key)s = %(value)s"),
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{'key': dict_key, 'value': values.get(dict_key)})
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return realvalues
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@classmethod
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def from_dict(cls, values):
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n_values = values.pop('trove_notification', None)
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values = cls._remove_incompatible_context_args(values)
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context = cls(**values)
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if n_values:
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context.notification = SerializableNotification.deserialize(
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context, n_values)
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return context
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