255 lines
10 KiB
Python
255 lines
10 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_log import versionutils
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from oslo_policy import policy
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from keystone.common.policies import base
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deprecated_check_system_grant_for_user = policy.DeprecatedRule(
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name=base.IDENTITY % 'check_system_grant_for_user',
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check_str=base.RULE_ADMIN_REQUIRED
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)
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deprecated_list_system_grants_for_user = policy.DeprecatedRule(
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name=base.IDENTITY % 'list_system_grants_for_user',
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check_str=base.RULE_ADMIN_REQUIRED
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)
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deprecated_create_system_grant_for_user = policy.DeprecatedRule(
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name=base.IDENTITY % 'create_system_grant_for_user',
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check_str=base.RULE_ADMIN_REQUIRED
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)
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deprecated_revoke_system_grant_for_user = policy.DeprecatedRule(
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name=base.IDENTITY % 'revoke_system_grant_for_user',
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check_str=base.RULE_ADMIN_REQUIRED
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)
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DEPRECATED_REASON = """
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As of the Stein release, the system assignment API now understands default
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roles and system-scoped tokens, making the API more granular by default without
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compromising security. The new policy defaults account for these changes
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automatically. Be sure to take these new defaults into consideration if you are
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relying on overrides in your deployment for the system assignment API.
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"""
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resource_paths = [
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'/projects/{project_id}/users/{user_id}/roles/{role_id}',
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'/projects/{project_id}/groups/{group_id}/roles/{role_id}',
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'/domains/{domain_id}/users/{user_id}/roles/{role_id}',
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'/domains/{domain_id}/groups/{group_id}/roles/{role_id}',
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]
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resource_paths += ['/OS-INHERIT' + path + '/inherited_to_projects'
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for path in resource_paths]
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collection_paths = [
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'/projects/{project_id}/users/{user_id}/roles',
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'/projects/{project_id}/groups/{group_id}/roles',
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'/domains/{domain_id}/users/{user_id}/roles',
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'/domains/{domain_id}/groups/{group_id}/roles'
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]
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inherited_collection_paths = [
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('/OS-INHERIT/domains/{domain_id}/groups/{group_id}/roles/'
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'inherited_to_projects'),
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('/OS-INHERIT/domains/{domain_id}/users/{user_id}/roles/'
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'inherited_to_projects')
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]
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def list_operations(paths, methods):
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return [{'path': '/v3' + path, 'method': method}
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for path in paths for method in methods]
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# NOTE(samueldmq): Unlike individual resource paths, collection
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# paths for the inherited grants do not contain a HEAD API
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list_grants_operations = (
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list_operations(collection_paths, ['GET', 'HEAD']) +
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list_operations(inherited_collection_paths, ['GET']))
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grant_policies = [
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policy.DocumentedRuleDefault(
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name=base.IDENTITY % 'check_grant',
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check_str=base.RULE_ADMIN_REQUIRED,
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# FIXME(lbragstad): A system administrator should be able to grant role
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# assignments from any actor to any target in the deployment. Domain
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# administrators should only be able to grant access to the domain they
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# administer or projects within that domain. Once keystone is smart
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# enough to enforce those checks in code, we can add 'project' to the
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# list of scope_types below.
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scope_types=['system'],
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description=('Check a role grant between a target and an actor. A '
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'target can be either a domain or a project. An actor '
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'can be either a user or a group. These terms also apply '
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'to the OS-INHERIT APIs, where grants on the target '
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'are inherited to all projects in the subtree, if '
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'applicable.'),
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operations=list_operations(resource_paths, ['HEAD', 'GET'])),
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policy.DocumentedRuleDefault(
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name=base.IDENTITY % 'list_grants',
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check_str=base.RULE_ADMIN_REQUIRED,
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# FIXME(lbragstad): See the above comment about scope_types before
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# adding 'project' to scope_types below.
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scope_types=['system'],
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description=('List roles granted to an actor on a target. A target '
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'can be either a domain or a project. An actor can be '
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'either a user or a group. For the OS-INHERIT APIs, it '
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'is possible to list inherited role grants for actors on '
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'domains, where grants are inherited to all projects '
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'in the specified domain.'),
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operations=list_grants_operations),
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policy.DocumentedRuleDefault(
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name=base.IDENTITY % 'create_grant',
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check_str=base.RULE_ADMIN_REQUIRED,
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# FIXME(lbragstad): See the above comment about scope_types before
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# adding 'project' to scope_types below.
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scope_types=['system'],
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description=('Create a role grant between a target and an actor. A '
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'target can be either a domain or a project. An actor '
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'can be either a user or a group. These terms also apply '
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'to the OS-INHERIT APIs, where grants on the target '
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'are inherited to all projects in the subtree, if '
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'applicable.'),
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operations=list_operations(resource_paths, ['PUT'])),
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policy.DocumentedRuleDefault(
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name=base.IDENTITY % 'revoke_grant',
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check_str=base.RULE_ADMIN_REQUIRED,
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# FIXME(lbragstad): See the above comment about scope_types before
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# adding 'project' to scope_types below.
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scope_types=['system'],
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description=('Revoke a role grant between a target and an actor. A '
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'target can be either a domain or a project. An actor '
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'can be either a user or a group. These terms also apply '
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'to the OS-INHERIT APIs, where grants on the target '
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'are inherited to all projects in the subtree, if '
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'applicable. In that case, revoking the role grant in '
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'the target would remove the logical effect of '
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'inheriting it to the target\'s projects subtree.'),
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operations=list_operations(resource_paths, ['DELETE'])),
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policy.DocumentedRuleDefault(
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name=base.IDENTITY % 'list_system_grants_for_user',
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check_str=base.SYSTEM_READER,
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scope_types=['system'],
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description='List all grants a specific user has on the system.',
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operations=[
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{
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'path': '/v3/system/users/{user_id}/roles',
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'method': ['HEAD', 'GET']
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}
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],
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deprecated_rule=deprecated_list_system_grants_for_user,
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deprecated_reason=DEPRECATED_REASON,
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deprecated_since=versionutils.deprecated.STEIN
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),
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policy.DocumentedRuleDefault(
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name=base.IDENTITY % 'check_system_grant_for_user',
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check_str=base.SYSTEM_READER,
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scope_types=['system'],
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description='Check if a user has a role on the system.',
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operations=[
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{
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'path': '/v3/system/users/{user_id}/roles/{role_id}',
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'method': ['HEAD', 'GET']
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}
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],
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deprecated_rule=deprecated_check_system_grant_for_user,
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deprecated_reason=DEPRECATED_REASON,
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deprecated_since=versionutils.deprecated.STEIN
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),
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policy.DocumentedRuleDefault(
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name=base.IDENTITY % 'create_system_grant_for_user',
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check_str=base.SYSTEM_ADMIN,
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scope_types=['system'],
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description='Grant a user a role on the system.',
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operations=[
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{
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'path': '/v3/system/users/{user_id}/roles/{role_id}',
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'method': ['PUT']
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}
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],
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deprecated_rule=deprecated_create_system_grant_for_user,
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deprecated_reason=DEPRECATED_REASON,
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deprecated_since=versionutils.deprecated.STEIN
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),
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policy.DocumentedRuleDefault(
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name=base.IDENTITY % 'revoke_system_grant_for_user',
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check_str=base.SYSTEM_ADMIN,
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scope_types=['system'],
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description='Remove a role from a user on the system.',
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operations=[
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{
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'path': '/v3/system/users/{user_id}/roles/{role_id}',
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'method': ['DELETE']
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}
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],
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deprecated_rule=deprecated_revoke_system_grant_for_user,
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deprecated_reason=DEPRECATED_REASON,
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deprecated_since=versionutils.deprecated.STEIN
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),
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policy.DocumentedRuleDefault(
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name=base.IDENTITY % 'list_system_grants_for_group',
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check_str=base.RULE_ADMIN_REQUIRED,
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scope_types=['system'],
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description='List all grants a specific group has on the system.',
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operations=[
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{
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'path': '/v3/system/groups/{group_id}/roles',
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'method': ['HEAD', 'GET']
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}
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]
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),
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policy.DocumentedRuleDefault(
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name=base.IDENTITY % 'check_system_grant_for_group',
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check_str=base.RULE_ADMIN_REQUIRED,
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scope_types=['system'],
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description='Check if a group has a role on the system.',
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operations=[
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{
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'path': '/v3/system/groups/{group_id}/roles/{role_id}',
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'method': ['HEAD', 'GET']
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}
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]
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),
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policy.DocumentedRuleDefault(
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name=base.IDENTITY % 'create_system_grant_for_group',
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check_str=base.RULE_ADMIN_REQUIRED,
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scope_types=['system'],
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description='Grant a group a role on the system.',
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operations=[
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{
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'path': '/v3/system/groups/{group_id}/roles/{role_id}',
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'method': ['PUT']
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}
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]
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),
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policy.DocumentedRuleDefault(
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name=base.IDENTITY % 'revoke_system_grant_for_group',
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check_str=base.RULE_ADMIN_REQUIRED,
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scope_types=['system'],
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description='Remove a role from a group on the system.',
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operations=[
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{
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'path': '/v3/system/groups/{group_id}/roles/{role_id}',
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'method': ['DELETE']
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}
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]
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)
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]
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def list_rules():
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return grant_policies
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