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# 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 __future__ import absolute_import
from oslo_config import cfg
from oslo_log import log
from keystone import assignment
from keystone.common import ldap as common_ldap
from keystone.common import models
from keystone import exception
from keystone.i18n import _
from keystone.identity.backends import ldap as ldap_identity
CONF = cfg.CONF
LOG = log.getLogger(__name__)
class Role(assignment.RoleDriver):
def __init__(self):
super(Role, self).__init__()
self.LDAP_URL = CONF.ldap.url
self.LDAP_USER = CONF.ldap.user
self.LDAP_PASSWORD = CONF.ldap.password
self.suffix = CONF.ldap.suffix
# This is the only deep dependency from resource back
# to identity. The assumption is that if you are using
# LDAP for resource, you are using it for identity as well.
self.user = ldap_identity.UserApi(CONF)
self.role = RoleApi(CONF, self.user)
def get_role(self, role_id):
return self.role.get(role_id)
def list_roles(self, hints):
return self.role.get_all()
def list_roles_from_ids(self, ids):
return [self.get_role(id) for id in ids]
def create_role(self, role_id, role):
self.role.check_allow_create()
try:
self.get_role(role_id)
except exception.NotFound:
pass
else:
msg = _('Duplicate ID, %s.') % role_id
raise exception.Conflict(type='role', details=msg)
try:
self.role.get_by_name(role['name'])
except exception.NotFound:
pass
else:
msg = _('Duplicate name, %s.') % role['name']
raise exception.Conflict(type='role', details=msg)
return self.role.create(role)
def delete_role(self, role_id):
self.role.check_allow_delete()
return self.role.delete(role_id)
def update_role(self, role_id, role):
self.role.check_allow_update()
self.get_role(role_id)
return self.role.update(role_id, role)
# NOTE(heny-nash): A mixin class to enable the sharing of the LDAP structure
# between here and the assignment LDAP.
class RoleLdapStructureMixin(object):
DEFAULT_OU = 'ou=Roles'
DEFAULT_STRUCTURAL_CLASSES = []
DEFAULT_OBJECTCLASS = 'organizationalRole'
DEFAULT_MEMBER_ATTRIBUTE = 'roleOccupant'
NotFound = exception.RoleNotFound
options_name = 'role'
attribute_options_names = {'name': 'name'}
immutable_attrs = ['id']
model = models.Role
# TODO(termie): turn this into a data object and move logic to driver
class RoleApi(RoleLdapStructureMixin, common_ldap.BaseLdap):
def __init__(self, conf, user_api):
super(RoleApi, self).__init__(conf)
self._user_api = user_api
def get(self, role_id, role_filter=None):
model = super(RoleApi, self).get(role_id, role_filter)
return model
def create(self, values):
return super(RoleApi, self).create(values)
def update(self, role_id, role):
new_name = role.get('name')
if new_name is not None:
try:
old_role = self.get_by_name(new_name)
if old_role['id'] != role_id:
raise exception.Conflict(
_('Cannot duplicate name %s') % old_role)
except exception.NotFound:
pass
return super(RoleApi, self).update(role_id, role)
def delete(self, role_id):
super(RoleApi, self).delete(role_id)
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