deb-gnocchi/gnocchi/rest/auth_helper.py

64 lines
2.2 KiB
Python

# -*- encoding: utf-8 -*-
#
# Copyright © 2016 Red Hat, Inc.
# Copyright © 2014-2015 eNovance
#
# 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.
import webob
from gnocchi import rest
class KeystoneAuthHelper(object):
@staticmethod
def get_resource_policy_filter(rule, resource_type):
try:
# Check if the policy allows the user to list any resource
rest.enforce(rule, {
"resource_type": resource_type,
})
except webob.exc.HTTPForbidden:
user, project = rest.get_user_and_project()
policy_filter = []
try:
# Check if the policy allows the user to list resources linked
# to their project
rest.enforce(rule, {
"resource_type": resource_type,
"project_id": project,
})
except webob.exc.HTTPForbidden:
pass
else:
policy_filter.append({"=": {"project_id": project}})
try:
# Check if the policy allows the user to list resources linked
# to their created_by_project
rest.enforce(rule, {
"resource_type": resource_type,
"created_by_project_id": project,
})
except webob.exc.HTTPForbidden:
pass
else:
policy_filter.append({"=": {"created_by_project_id": project}})
if not policy_filter:
# We need to have at least one policy filter in place
rest.abort(403, "Insufficient privileges")
return {"or": policy_filter}
NoAuthHelper = KeystoneAuthHelper