keystone/keystone/api/_shared/saml.py

77 lines
2.9 KiB
Python

# 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 oslo_serialization import jsonutils
from keystone.common import provider_api
import keystone.conf
from keystone import exception
from keystone.federation import idp as keystone_idp
from keystone.federation import utils as federation_utils
from keystone.i18n import _
CONF = keystone.conf.CONF
PROVIDERS = provider_api.ProviderAPIs
def create_base_saml_assertion(auth):
issuer = CONF.saml.idp_entity_id
sp_id = auth['scope']['service_provider']['id']
service_provider = PROVIDERS.federation_api.get_sp(sp_id)
federation_utils.assert_enabled_service_provider_object(service_provider)
sp_url = service_provider['sp_url']
token_id = auth['identity']['token']['id']
token = PROVIDERS.token_provider_api.validate_token(token_id)
if not token.project_scoped:
action = _('Use a project scoped token when attempting to create '
'a SAML assertion')
raise exception.ForbiddenAction(action=action)
subject = token.user['name']
role_names = []
for role in token.roles:
role_names.append(role['name'])
project = token.project['name']
# NOTE(rodrigods): the domain name is necessary in order to distinguish
# between projects and users with the same name in different domains.
project_domain_name = token.project_domain['name']
subject_domain_name = token.user_domain['name']
def group_membership():
"""Return a list of dictionaries serialized as strings.
The expected return structure is::
['JSON:{"name":"group1","domain":{"name":"Default"}}',
'JSON:{"name":"group2","domain":{"name":"Default"}}']
"""
user_groups = []
groups = PROVIDERS.identity_api.list_groups_for_user(
token.user_id)
for group in groups:
user_group = {}
group_domain_name = PROVIDERS.resource_api.get_domain(
group['domain_id'])['name']
user_group["name"] = group['name']
user_group["domain"] = {'name': group_domain_name}
user_groups.append('JSON:' + jsonutils.dumps(user_group))
return user_groups
groups = group_membership()
generator = keystone_idp.SAMLGenerator()
response = generator.samlize_token(
issuer, sp_url, subject, subject_domain_name,
role_names, project, project_domain_name, groups)
return response, service_provider