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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
import uuid
from oslo_config import cfg
from oslo_log import log
from keystone import clean
from keystone.common import driver_hints
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
from keystone import resource
CONF = cfg.CONF
LOG = log.getLogger(__name__)
class Resource(resource.Driver):
def __init__(self):
super(Resource, 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.
# This is safe to do since if you are using LDAP for resource, it is
# required that you are using it for identity as well.
self.user = ldap_identity.UserApi(CONF)
self.project = ProjectApi(CONF)
def default_assignment_driver(self):
return 'keystone.assignment.backends.ldap.Assignment'
def _set_default_parent_project(self, ref):
"""If the parent project ID has not been set, set it to None."""
if isinstance(ref, dict):
if 'parent_id' not in ref:
ref = dict(ref, parent_id=None)
return ref
elif isinstance(ref, list):
return [self._set_default_parent_project(x) for x in ref]
else:
raise ValueError(_('Expected dict or list: %s') % type(ref))
def _validate_parent_project_is_none(self, ref):
"""If a parent_id different from None was given,
raises InvalidProjectException.
"""
parent_id = ref.get('parent_id')
if parent_id is not None:
raise exception.InvalidParentProject(parent_id)
def _set_default_attributes(self, project_ref):
project_ref = self._set_default_domain(project_ref)
return self._set_default_parent_project(project_ref)
def get_project(self, tenant_id):
return self._set_default_attributes(
self.project.get(tenant_id))
def list_projects(self, hints):
return self._set_default_attributes(
self.project.get_all_filtered(hints))
def list_projects_in_domain(self, domain_id):
# We don't support multiple domains within this driver, so ignore
# any domain specified
return self.list_projects(driver_hints.Hints())
def list_projects_in_subtree(self, project_id):
# We don't support projects hierarchy within this driver, so a
# project will never have children
return []
def list_project_parents(self, project_id):
# We don't support projects hierarchy within this driver, so a
# project will never have parents
return []
def is_leaf_project(self, project_id):
# We don't support projects hierarchy within this driver, so a
# project will always be a root and a leaf at the same time
return True
def list_projects_from_ids(self, ids):
return [self.get_project(id) for id in ids]
def list_project_ids_from_domain_ids(self, domain_ids):
# We don't support multiple domains within this driver, so ignore
# any domain specified
return [x.id for x in self.list_projects(driver_hints.Hints())]
def get_project_by_name(self, tenant_name, domain_id):
self._validate_default_domain_id(domain_id)
return self._set_default_attributes(
self.project.get_by_name(tenant_name))
def create_project(self, tenant_id, tenant):
self.project.check_allow_create()
tenant = self._validate_default_domain(tenant)
self._validate_parent_project_is_none(tenant)
tenant['name'] = clean.project_name(tenant['name'])
data = tenant.copy()
if 'id' not in data or data['id'] is None:
data['id'] = str(uuid.uuid4().hex)
if 'description' in data and data['description'] in ['', None]:
data.pop('description')
return self._set_default_attributes(
self.project.create(data))
def update_project(self, tenant_id, tenant):
self.project.check_allow_update()
tenant = self._validate_default_domain(tenant)
if 'name' in tenant:
tenant['name'] = clean.project_name(tenant['name'])
return self._set_default_attributes(
self.project.update(tenant_id, tenant))
def delete_project(self, tenant_id):
self.project.check_allow_delete()
if self.project.subtree_delete_enabled:
self.project.deleteTree(tenant_id)
else:
# The manager layer will call assignments to delete the
# role assignments, so we just have to delete the project itself.
self.project.delete(tenant_id)
def create_domain(self, domain_id, domain):
if domain_id == CONF.identity.default_domain_id:
msg = _('Duplicate ID, %s.') % domain_id
raise exception.Conflict(type='domain', details=msg)
raise exception.Forbidden(_('Domains are read-only against LDAP'))
def get_domain(self, domain_id):
self._validate_default_domain_id(domain_id)
return resource.calc_default_domain()
def update_domain(self, domain_id, domain):
self._validate_default_domain_id(domain_id)
raise exception.Forbidden(_('Domains are read-only against LDAP'))
def delete_domain(self, domain_id):
self._validate_default_domain_id(domain_id)
raise exception.Forbidden(_('Domains are read-only against LDAP'))
def list_domains(self, hints):
return [resource.calc_default_domain()]
def list_domains_from_ids(self, ids):
return [resource.calc_default_domain()]
def get_domain_by_name(self, domain_name):
default_domain = resource.calc_default_domain()
if domain_name != default_domain['name']:
raise exception.DomainNotFound(domain_id=domain_name)
return default_domain
# TODO(termie): turn this into a data object and move logic to driver
class ProjectApi(common_ldap.ProjectLdapStructureMixin,
common_ldap.EnabledEmuMixIn, common_ldap.BaseLdap):
model = models.Project
def create(self, values):
data = values.copy()
if data.get('id') is None:
data['id'] = uuid.uuid4().hex
return super(ProjectApi, self).create(data)
def update(self, project_id, values):
old_obj = self.get(project_id)
return super(ProjectApi, self).update(project_id, values, old_obj)
def get_all_filtered(self, hints):
query = self.filter_query(hints)
return super(ProjectApi, self).get_all(query)
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