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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 OpenStack LLC
#
# 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.
from keystone.common import sql
from keystone import exception
from keystone.openstack.common import timeutils
from keystone import trust
class TrustModel(sql.ModelBase, sql.DictBase):
__tablename__ = 'trust'
attributes = ['id', 'trustor_user_id', 'trustee_user_id',
'project_id', 'impersonation', 'expires_at']
id = sql.Column(sql.String(64), primary_key=True)
#user id Of owner
trustor_user_id = sql.Column(sql.String(64), unique=False, nullable=False,)
#user_id of user allowed to consume this preauth
trustee_user_id = sql.Column(sql.String(64), unique=False, nullable=False)
project_id = sql.Column(sql.String(64), unique=False, nullable=True)
impersonation = sql.Column(sql.Boolean)
deleted_at = sql.Column(sql.DateTime)
expires_at = sql.Column(sql.DateTime)
extra = sql.Column(sql.JsonBlob())
class TrustRole(sql.ModelBase):
__tablename__ = 'trust_role'
attributes = ['trust_id', 'role_id']
trust_id = sql.Column(sql.String(64), primary_key=True, nullable=False)
role_id = sql.Column(sql.String(64), primary_key=True, nullable=False)
class Trust(sql.Base, trust.Driver):
@sql.handle_conflicts(type='trust')
def create_trust(self, trust_id, trust, roles):
session = self.get_session()
with session.begin():
ref = TrustModel.from_dict(trust)
ref['id'] = trust_id
if ref.get('expires_at') and ref['expires_at'].tzinfo is not None:
ref['expires_at'] = timeutils.normalize_time(ref['expires_at'])
session.add(ref)
added_roles = []
for role in roles:
trust_role = TrustRole()
trust_role.trust_id = trust_id
trust_role.role_id = role['id']
added_roles.append({'id': role['id']})
session.add(trust_role)
session.flush()
trust_dict = ref.to_dict()
trust_dict['roles'] = added_roles
return trust_dict
def _add_roles(self, trust_id, session, trust_dict):
roles = []
for role in session.query(TrustRole).filter_by(trust_id=trust_id):
roles.append({'id': role.role_id})
trust_dict['roles'] = roles
@sql.handle_conflicts(type='trust')
def get_trust(self, trust_id):
session = self.get_session()
ref = (session.query(TrustModel).
filter_by(deleted_at=None).
filter_by(id=trust_id).first())
if ref is None:
return None
if ref.expires_at is not None:
now = timeutils.utcnow()
if now > ref.expires_at:
return None
trust_dict = ref.to_dict()
self._add_roles(trust_id, session, trust_dict)
return trust_dict
@sql.handle_conflicts(type='trust')
def list_trusts(self):
session = self.get_session()
trusts = session.query(TrustModel).filter_by(deleted_at=None)
return [trust_ref.to_dict() for trust_ref in trusts]
@sql.handle_conflicts(type='trust')
def list_trusts_for_trustee(self, trustee_user_id):
session = self.get_session()
trusts = (session.query(TrustModel).
filter_by(deleted_at=None).
filter_by(trustee_user_id=trustee_user_id))
return [trust_ref.to_dict() for trust_ref in trusts]
@sql.handle_conflicts(type='trust')
def list_trusts_for_trustor(self, trustor_user_id):
session = self.get_session()
trusts = (session.query(TrustModel).
filter_by(deleted_at=None).
filter_by(trustor_user_id=trustor_user_id))
return [trust_ref.to_dict() for trust_ref in trusts]
@sql.handle_conflicts(type='trust')
def delete_trust(self, trust_id):
session = self.get_session()
with session.begin():
trust_ref = session.query(TrustModel).get(trust_id)
if not trust_ref:
raise exception.TrustNotFound(trust_id=trust_id)
trust_ref.deleted_at = timeutils.utcnow()
session.flush()
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