heat/heat/policies/base.py
Lance Bragstad 93594c30ec Implement secure RBAC
This commit updates default policies to account for system scope
and default roles. This is part of a broader change to provide a
consistent and secure authorization experience across OpenStack
projects.

- Introduces basic/reusable check strings in base.py
- Implements secure RBAC for build info API
- Implements secure RBAC for the action API
- Implements secure RBAC for cloud formations
- Implements secure RBAC for events
- Implements secure RBAC for the resource API
- Implements secure RBAC for the service API
- Implements secure RBAC for software configs
- Implements secure RBAC for software deployments
- Implements secure RBAC for stacks
- Adds unit tests for legacy and new secure-rbac policies.

Change-Id: Iff1e39481ea3b1f00bd89dba4a00aed30334ecec
2021-03-02 09:32:41 +05:30

83 lines
2.7 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_policy import policy
RULE_CONTEXT_IS_ADMIN = 'rule:context_is_admin'
RULE_PROJECT_ADMIN = 'rule:project_admin'
RULE_DENY_STACK_USER = 'rule:deny_stack_user'
RULE_DENY_EVERYBODY = 'rule:deny_everybody'
RULE_ALLOW_EVERYBODY = 'rule:allow_everybody'
# Check strings that embody common personas
SYSTEM_ADMIN = 'role:admin and system_scope:all'
SYSTEM_READER = 'role:reader and system_scope:all'
PROJECT_MEMBER = 'role:member and project_id:%(project_id)s'
PROJECT_READER = 'role:reader and project_id:%(project_id)s'
# Heat personas
PROJECT_ADMIN = 'role:admin and project_id:%(project_id)s'
PROJECT_STACK_USER = 'role:heat_stack_user and project_id:%(project_id)s'
# Composite check strings that are useful for policies that protect APIs that
# operate at different scopes.
SYSTEM_ADMIN_OR_PROJECT_MEMBER = (
'(' + SYSTEM_ADMIN + ')'
' or (' + PROJECT_MEMBER + ')'
)
SYSTEM_OR_PROJECT_READER = (
'(' + SYSTEM_READER + ')'
' or (' + PROJECT_READER + ')'
)
SYSTEM_ADMIN_OR_PROJECT_MEMBER_OR_STACK_USER = (
'(' + SYSTEM_ADMIN + ')'
' or (' + PROJECT_MEMBER + ')'
' or (' + PROJECT_STACK_USER + ')'
)
SYSTEM_OR_PROJECT_READER_OR_STACK_USER = (
'(' + SYSTEM_READER + ')'
' or (' + PROJECT_READER + ')'
' or (' + PROJECT_STACK_USER + ')'
)
rules = [
policy.RuleDefault(
name="context_is_admin",
check_str=(
"(role:admin and is_admin_project:True) OR "
"(" + SYSTEM_ADMIN + ")"
),
description="Decides what is required for the 'is_admin:True' check "
"to succeed."),
policy.RuleDefault(
name="project_admin",
check_str="role:admin",
description="Default rule for project admin."),
policy.RuleDefault(
name="deny_stack_user",
check_str="not role:heat_stack_user",
description="Default rule for deny stack user."),
policy.RuleDefault(
name="deny_everybody",
check_str="!",
description="Default rule for deny everybody."),
policy.RuleDefault(
name="allow_everybody",
check_str="",
description="Default rule for allow everybody.")
]
def list_rules():
return rules