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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.
# This file handles all flask-restful resources for /v3/role_inferences
import flask_restful
from keystone.api._shared import implied_roles as shared
from keystone.common import provider_api
from keystone.common import rbac_enforcer
from keystone.server import flask as ks_flask
ENFORCER = rbac_enforcer.RBACEnforcer
PROVIDERS = provider_api.ProviderAPIs
class RoleInferencesResource(flask_restful.Resource):
def get(self):
"""List role inference rules.
GET/HEAD /v3/role_inferences
"""
ENFORCER.enforce_call(action='identity:list_role_inference_rules')
refs = PROVIDERS.role_api.list_role_inference_rules()
role_dict = {role_ref['id']: role_ref
for role_ref in PROVIDERS.role_api.list_roles()}
rules = dict()
for ref in refs:
implied_role_id = ref['implied_role_id']
prior_role_id = ref['prior_role_id']
implied = rules.get(prior_role_id, [])
implied.append(
shared.build_implied_role_response_data(
role_dict[implied_role_id]))
rules[prior_role_id] = implied
inferences = []
for prior_id, implied, in rules.items():
prior_response = shared.build_prior_role_response_data(
prior_id, role_dict[prior_id]['name'])
inferences.append({'prior_role': prior_response,
'implies': implied})
results = {'role_inferences': inferences}
return results
class RoleInferencesAPI(ks_flask.APIBase):
_name = 'role_inferences'
_import_name = __name__
resources = []
resource_mapping = [
ks_flask.construct_resource_map(
resource=RoleInferencesResource,
url='/role_inferences',
resource_kwargs={},
rel='role_inferences')
]
APIs = (RoleInferencesAPI,)
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