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# Copyright 2011-2012 OpenStack Foundation
# 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.
import uuid
from glance.api import policy
from glance.openstack.common import local
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class RequestContext(object):
"""
Stores information about the security context under which the user
accesses the system, as well as additional request information.
"""
user_idt_format = '{user} {tenant} {domain} {user_domain} {p_domain}'
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def __init__(self, auth_tok=None, user=None, tenant=None, roles=None,
is_admin=False, read_only=False, show_deleted=False,
owner_is_tenant=True, service_catalog=None,
policy_enforcer=None, domain=None, user_domain=None,
project_domain=None):
self.auth_tok = auth_tok
self.user = user
self.tenant = tenant
self.roles = roles or []
self.read_only = read_only
self._show_deleted = show_deleted
self.owner_is_tenant = owner_is_tenant
self.request_id = str(uuid.uuid4())
self.service_catalog = service_catalog
self.policy_enforcer = policy_enforcer or policy.Enforcer()
self.is_admin = is_admin
self.domain = domain
self.user_domain = user_domain
self.project_domain = project_domain
if not self.is_admin:
self.is_admin = \
self.policy_enforcer.check_is_admin(self)
if not hasattr(local.store, 'context'):
self.update_store()
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def to_dict(self):
# NOTE(ameade): These keys are named to correspond with the default
# format string for logging the context in openstack common
user_idt = (
self.user_idt_format.format(user=self.user or '-',
tenant=self.tenant or '-',
domain=self.domain or '-',
user_domain=self.user_domain or '-',
p_domain=self.project_domain or '-'))
return {
'request_id': self.request_id,
#NOTE(bcwaldon): openstack-common logging expects 'user'
'user': self.user,
'user_id': self.user,
#NOTE(bcwaldon): openstack-common logging expects 'tenant'
'tenant': self.tenant,
'tenant_id': self.tenant,
'project_id': self.tenant,
'is_admin': self.is_admin,
'read_deleted': self.show_deleted,
'roles': self.roles,
'auth_token': self.auth_tok,
'service_catalog': self.service_catalog,
'user_identity': user_idt
}
@classmethod
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def from_dict(cls, values):
return cls(**values)
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def update_store(self):
local.store.context = self
@property
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def owner(self):
"""Return the owner to correlate with an image."""
return self.tenant if self.owner_is_tenant else self.user
@property
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def show_deleted(self):
"""Admins can see deleted by default"""
if self._show_deleted or self.is_admin:
return True
return False