keystone/keystone/access_rules_config/core.py

81 lines
2.8 KiB
Python

# Copyright 2019 SUSE Linux GmbH
#
# 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.
"""List access rules config."""
from keystone.common import cache
from keystone.common import driver_hints
from keystone.common import manager
from keystone.common import provider_api
import keystone.conf
CONF = keystone.conf.CONF
MEMOIZE = cache.get_memoization_decorator(group='access_rules_config')
PROVIDERS = provider_api.ProviderAPIs
class Manager(manager.Manager):
driver_namespace = 'keystone.access_rules_config'
_provides_api = 'access_rules_config_api'
def __init__(self):
super(Manager, self).__init__(CONF.access_rules_config.driver)
def list_access_rules_config(self, service=None):
"""List access rules config.
:param str service: filter by service type
:returns: a list of configured access rules. Access rules are
permission objects composing of a service, a URL path, and an
HTTP method.
"""
if CONF.access_rules_config.permissive:
hints = driver_hints.Hints()
if service:
hints.add_filter('service', service)
rules = {}
services = PROVIDERS.catalog_api.list_services(hints=hints)
if service:
services = [svc for svc in services if svc['type'] == service]
for svc in services:
rules[svc['type']] = []
for method in ['HEAD', 'GET', 'POST', 'PUT', 'PATCH', 'DELETE']:
rules[svc['type']].append({
"path": "**",
"method": method
})
return rules
return self.driver.list_access_rules_config(service)
@MEMOIZE
def check_access_rule(self, service, request_path, request_method):
"""Check access rule.
:param str service: service type of rule to check
:param str request_path: endpoint path to check
:param str request_method: API HTTP method to check
:returns: boolean indicating whether the rule matches one of the
configured access rules
"""
if CONF.access_rules_config.permissive:
return True
return self.driver.check_access_rule(service, request_path,
request_method)