150 lines
5.4 KiB
Python
150 lines
5.4 KiB
Python
# Copyright 2011 OpenStack LLC.
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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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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"""RequestContext: context for requests that persist through all of manila."""
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import copy
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from oslo_context import context
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from oslo_utils import timeutils
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import six
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from manila.i18n import _
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from manila import policy
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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, project_id, is_admin=None, read_deleted="no",
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roles=None, remote_address=None, timestamp=None,
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request_id=None, auth_token=None, overwrite=True,
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quota_class=None, service_catalog=None, **kwargs):
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"""Initialize RequestContext.
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:param read_deleted: 'no' indicates deleted records are hidden, 'yes'
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indicates deleted records are visible, 'only' indicates that
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*only* deleted records are visible.
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:param overwrite: Set to False to ensure that the greenthread local
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copy of the index is not overwritten.
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:param kwargs: Extra arguments that might be present, but we ignore
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because they possibly came in from older rpc messages.
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"""
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user = kwargs.pop('user', None)
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tenant = kwargs.pop('tenant', None)
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super(RequestContext, self).__init__(
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auth_token=auth_token,
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user=user_id or user,
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tenant=project_id or tenant,
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domain=kwargs.pop('domain', None),
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user_domain=kwargs.pop('user_domain', None),
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project_domain=kwargs.pop('project_domain', None),
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is_admin=is_admin,
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read_only=kwargs.pop('read_only', False),
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show_deleted=kwargs.pop('show_deleted', False),
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request_id=request_id,
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resource_uuid=kwargs.pop('resource_uuid', None),
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overwrite=overwrite,
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roles=roles)
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self.user_id = self.user
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self.project_id = self.tenant
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if self.is_admin is None:
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self.is_admin = policy.check_is_admin(self)
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elif self.is_admin and 'admin' not in self.roles:
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self.roles.append('admin')
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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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if service_catalog:
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self.service_catalog = [s for s in service_catalog
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if s.get('type') in ('compute', 'volume')]
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else:
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self.service_catalog = []
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self.quota_class = quota_class
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def _get_read_deleted(self):
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return self._read_deleted
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def _set_read_deleted(self, read_deleted):
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if read_deleted not in ('no', 'yes', 'only'):
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raise ValueError(_("read_deleted can only be one of 'no', "
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"'yes' or 'only', not %r") % read_deleted)
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self._read_deleted = read_deleted
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def _del_read_deleted(self):
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del self._read_deleted
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read_deleted = property(_get_read_deleted, _set_read_deleted,
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_del_read_deleted)
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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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'read_deleted': getattr(self, 'read_deleted', None),
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'remote_address': getattr(self, 'remote_address', None),
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'timestamp': self.timestamp.isoformat() if hasattr(
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self, 'timestamp') else None,
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'quota_class': getattr(self, 'quota_class', None),
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'service_catalog': getattr(self, 'service_catalog', None)})
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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 cls(**values)
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def elevated(self, read_deleted=None, overwrite=False):
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"""Return a version of this context with admin flag set."""
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ctx = copy.deepcopy(self)
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ctx.is_admin = True
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if 'admin' not in ctx.roles:
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ctx.roles.append('admin')
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if read_deleted is not None:
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ctx.read_deleted = read_deleted
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return ctx
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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 get_admin_context(read_deleted="no"):
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return RequestContext(user_id=None,
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project_id=None,
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is_admin=True,
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read_deleted=read_deleted,
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overwrite=False)
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