e3f20e2455
In Ia575ba803a0fb70f39146bd75d381ed19414bd23, oslo.context (2.2.0) added roles support in the context itself. This passing roles as to super()__init__. Change-Id: I22bf58dcbb5955eef7b37e76b909211f972c71ee
144 lines
5.1 KiB
Python
144 lines
5.1 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_log import log
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from oslo_utils import timeutils
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import six
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from manila.i18n import _, _LW
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from manila import policy
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LOG = log.getLogger(__name__)
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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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if kwargs:
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LOG.warning(_LW('Arguments dropped when creating context: %s.'),
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str(kwargs))
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super(RequestContext, self).__init__(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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is_admin=is_admin,
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request_id=request_id,
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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.roles)
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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': self.user_id,
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'project_id': self.project_id,
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'read_deleted': self.read_deleted,
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'remote_address': self.remote_address,
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'timestamp': self.timestamp.isoformat(),
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'quota_class': self.quota_class,
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'service_catalog': self.service_catalog})
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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 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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