/usr/lib/python2.7/dist-packages/neutron/context.py is in python-neutron 2:8.0.0-0ubuntu1.
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# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Context: context for security/db session."""
import copy
import datetime
from oslo_context import context as oslo_context
from neutron.db import api as db_api
from neutron import policy
class ContextBase(oslo_context.RequestContext):
"""Security context and request information.
Represents the user taking a given action within the system.
"""
def __init__(self, user_id, tenant_id, is_admin=None, roles=None,
timestamp=None, request_id=None, tenant_name=None,
user_name=None, overwrite=True, auth_token=None,
is_advsvc=None, **kwargs):
"""Object initialization.
:param overwrite: Set to False to ensure that the greenthread local
copy of the index is not overwritten.
:param kwargs: Extra arguments that might be present, but we ignore
because they possibly came in from older rpc messages.
"""
super(ContextBase, self).__init__(auth_token=auth_token,
user=user_id, tenant=tenant_id,
is_admin=is_admin,
request_id=request_id,
overwrite=overwrite)
self.user_name = user_name
self.tenant_name = tenant_name
if not timestamp:
timestamp = datetime.datetime.utcnow()
self.timestamp = timestamp
self.roles = roles or []
self.is_advsvc = is_advsvc
if self.is_advsvc is None:
self.is_advsvc = self.is_admin or policy.check_is_advsvc(self)
if self.is_admin is None:
self.is_admin = policy.check_is_admin(self)
@property
def project_id(self):
return self.tenant
@property
def tenant_id(self):
return self.tenant
@tenant_id.setter
def tenant_id(self, tenant_id):
self.tenant = tenant_id
@property
def user_id(self):
return self.user
@user_id.setter
def user_id(self, user_id):
self.user = user_id
def to_dict(self):
context = super(ContextBase, self).to_dict()
context.update({
'user_id': self.user_id,
'tenant_id': self.tenant_id,
'project_id': self.project_id,
'roles': self.roles,
'timestamp': str(self.timestamp),
'tenant_name': self.tenant_name,
'project_name': self.tenant_name,
'user_name': self.user_name,
})
return context
@classmethod
def from_dict(cls, values):
return cls(**values)
def elevated(self):
"""Return a version of this context with admin flag set."""
context = copy.copy(self)
context.is_admin = True
if 'admin' not in [x.lower() for x in context.roles]:
context.roles = context.roles + ["admin"]
return context
class Context(ContextBase):
def __init__(self, *args, **kwargs):
super(Context, self).__init__(*args, **kwargs)
self._session = None
@property
def session(self):
if self._session is None:
self._session = db_api.get_session()
return self._session
def get_admin_context():
return Context(user_id=None,
tenant_id=None,
is_admin=True,
overwrite=False)
def get_admin_context_without_session():
return ContextBase(user_id=None,
tenant_id=None,
is_admin=True)
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