106 lines
3.2 KiB
Python
106 lines
3.2 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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"""RequestContext: context for requests that persist throughout Deckhand."""
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import copy
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from oslo_context import context
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from oslo_db.sqlalchemy import enginefacade
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from oslo_utils import timeutils
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import six
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@enginefacade.transaction_context_provider
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class RequestContext(context.RequestContext):
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"""Security context and request information.
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Represents the user taking a given action within the system.
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"""
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def __init__(self, user_id=None, is_admin=None, user_name=None,
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timestamp=None, **kwargs):
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if user_id:
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kwargs['user'] = user_id
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if project_id:
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kwargs['tenant'] = project_id
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super(RequestContext, self).__init__(is_admin=is_admin, **kwargs)
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self.read_deleted = read_deleted
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self.remote_address = remote_address
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if not timestamp:
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timestamp = timeutils.utcnow()
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if isinstance(timestamp, six.string_types):
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timestamp = timeutils.parse_strtime(timestamp)
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self.timestamp = timestamp
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@property
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def project_id(self):
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return self.tenant
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@project_id.setter
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def project_id(self, value):
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self.tenant = value
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@property
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def user_id(self):
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return self.user
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@user_id.setter
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def user_id(self, value):
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self.user = value
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def to_dict(self):
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values = super(RequestContext, self).to_dict()
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values.update({
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'user_id': getattr(self, 'user_id', None),
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'project_id': getattr(self, 'project_id', None),
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'is_admin': getattr(self, 'is_admin', None)
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})
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return values
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@classmethod
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def from_dict(cls, values):
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return super(RequestContext, cls).from_dict(
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values,
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user_id=values.get('user_id'),
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project_id=values.get('project_id')
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)
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def elevated(self, read_deleted=None):
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"""Return a version of this context with admin flag set."""
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context = copy.copy(self)
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# context.roles must be deepcopied to leave original roles
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# without changes
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context.roles = copy.deepcopy(self.roles)
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context.is_admin = True
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if 'admin' not in context.roles:
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context.roles.append('admin')
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if read_deleted is not None:
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context.read_deleted = read_deleted
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return context
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def to_policy_values(self):
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policy = super(RequestContext, self).to_policy_values()
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policy['is_admin'] = self.is_admin
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return policy
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def __str__(self):
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return "<Context %s>" % self.to_dict()
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