/
grant.py
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/
grant.py
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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.
from oslo_policy import policy
from keystone.common.policies import base
resource_paths = [
'/projects/{project_id}/users/{user_id}/roles/{role_id}',
'/projects/{project_id}/groups/{group_id}/roles/{role_id}',
'/domains/{domain_id}/users/{user_id}/roles/{role_id}',
'/domains/{domain_id}/groups/{group_id}/roles/{role_id}',
]
resource_paths += ['/OS-INHERIT' + path + '/inherited_to_projects'
for path in resource_paths]
collection_paths = [
'/projects/{project_id}/users/{user_id}/roles',
'/projects/{project_id}/groups/{group_id}/roles',
'/domains/{domain_id}/users/{user_id}/roles',
'/domains/{domain_id}/groups/{group_id}/roles'
]
inherited_collection_paths = [
('/OS-INHERIT/domains/{domain_id}/groups/{group_id}/roles/'
'inherited_to_projects'),
('/OS-INHERIT/domains/{domain_id}/users/{user_id}/roles/'
'inherited_to_projects')
]
def list_operations(paths, methods):
return [{'path': '/v3' + path, 'method': method}
for path in paths for method in methods]
# NOTE(samueldmq): Unlike individual resource paths, collection
# paths for the inherited grants do not contain a HEAD API
list_grants_operations = (
list_operations(collection_paths, ['GET', 'HEAD']) +
list_operations(inherited_collection_paths, ['GET']))
grant_policies = [
policy.DocumentedRuleDefault(
name=base.IDENTITY % 'check_grant',
check_str=base.RULE_ADMIN_REQUIRED,
# FIXME(lbragstad): A system administrator should be able to grant role
# assignments from any actor to any target in the deployment. Domain
# administrators should only be able to grant access to the domain they
# administer or projects within that domain. Once keystone is smart
# enough to enforce those checks in code, we can add 'project' to the
# list of scope_types below.
scope_types=['system'],
description=('Check a role grant between a target and an actor. A '
'target can be either a domain or a project. An actor '
'can be either a user or a group. These terms also apply '
'to the OS-INHERIT APIs, where grants on the target '
'are inherited to all projects in the subtree, if '
'applicable.'),
operations=list_operations(resource_paths, ['HEAD', 'GET'])),
policy.DocumentedRuleDefault(
name=base.IDENTITY % 'list_grants',
check_str=base.RULE_ADMIN_REQUIRED,
# FIXME(lbragstad): See the above comment about scope_types before
# adding 'project' to scope_types below.
scope_types=['system'],
description=('List roles granted to an actor on a target. A target '
'can be either a domain or a project. An actor can be '
'either a user or a group. For the OS-INHERIT APIs, it '
'is possible to list inherited role grants for actors on '
'domains, where grants are inherited to all projects '
'in the specified domain.'),
operations=list_grants_operations),
policy.DocumentedRuleDefault(
name=base.IDENTITY % 'create_grant',
check_str=base.RULE_ADMIN_REQUIRED,
# FIXME(lbragstad): See the above comment about scope_types before
# adding 'project' to scope_types below.
scope_types=['system'],
description=('Create a role grant between a target and an actor. A '
'target can be either a domain or a project. An actor '
'can be either a user or a group. These terms also apply '
'to the OS-INHERIT APIs, where grants on the target '
'are inherited to all projects in the subtree, if '
'applicable.'),
operations=list_operations(resource_paths, ['PUT'])),
policy.DocumentedRuleDefault(
name=base.IDENTITY % 'revoke_grant',
check_str=base.RULE_ADMIN_REQUIRED,
# FIXME(lbragstad): See the above comment about scope_types before
# adding 'project' to scope_types below.
scope_types=['system'],
description=('Revoke a role grant between a target and an actor. A '
'target can be either a domain or a project. An actor '
'can be either a user or a group. These terms also apply '
'to the OS-INHERIT APIs, where grants on the target '
'are inherited to all projects in the subtree, if '
'applicable. In that case, revoking the role grant in '
'the target would remove the logical effect of '
'inheriting it to the target\'s projects subtree.'),
operations=list_operations(resource_paths, ['DELETE'])),
policy.DocumentedRuleDefault(
name=base.IDENTITY % 'list_system_grants_for_user',
check_str=base.RULE_ADMIN_REQUIRED,
scope_types=['system'],
description='List all grants a specific user has on the system.',
operations=[
{
'path': '/v3/system/users/{user_id}/roles',
'method': ['HEAD', 'GET']
}
]
),
policy.DocumentedRuleDefault(
name=base.IDENTITY % 'check_system_grant_for_user',
check_str=base.RULE_ADMIN_REQUIRED,
scope_types=['system'],
description='Check if a user has a role on the system.',
operations=[
{
'path': '/v3/system/users/{user_id}/roles/{role_id}',
'method': ['HEAD', 'GET']
}
]
),
policy.DocumentedRuleDefault(
name=base.IDENTITY % 'create_system_grant_for_user',
check_str=base.RULE_ADMIN_REQUIRED,
scope_types=['system'],
description='Grant a user a role on the system.',
operations=[
{
'path': '/v3/system/users/{user_id}/roles/{role_id}',
'method': ['PUT']
}
]
),
policy.DocumentedRuleDefault(
name=base.IDENTITY % 'revoke_system_grant_for_user',
check_str=base.RULE_ADMIN_REQUIRED,
scope_types=['system'],
description='Remove a role from a user on the system.',
operations=[
{
'path': '/v3/system/users/{user_id}/roles/{role_id}',
'method': ['DELETE']
}
]
),
policy.DocumentedRuleDefault(
name=base.IDENTITY % 'list_system_grants_for_group',
check_str=base.RULE_ADMIN_REQUIRED,
scope_types=['system'],
description='List all grants a specific group has on the system.',
operations=[
{
'path': '/v3/system/groups/{group_id}/roles',
'method': ['HEAD', 'GET']
}
]
),
policy.DocumentedRuleDefault(
name=base.IDENTITY % 'check_system_grant_for_group',
check_str=base.RULE_ADMIN_REQUIRED,
scope_types=['system'],
description='Check if a group has a role on the system.',
operations=[
{
'path': '/v3/system/groups/{group_id}/roles/{role_id}',
'method': ['HEAD', 'GET']
}
]
),
policy.DocumentedRuleDefault(
name=base.IDENTITY % 'create_system_grant_for_group',
check_str=base.RULE_ADMIN_REQUIRED,
scope_types=['system'],
description='Grant a group a role on the system.',
operations=[
{
'path': '/v3/system/groups/{group_id}/roles/{role_id}',
'method': ['PUT']
}
]
),
policy.DocumentedRuleDefault(
name=base.IDENTITY % 'revoke_system_grant_for_group',
check_str=base.RULE_ADMIN_REQUIRED,
scope_types=['system'],
description='Remove a role from a group on the system.',
operations=[
{
'path': '/v3/system/groups/{group_id}/roles/{role_id}',
'method': ['DELETE']
}
]
)
]
def list_rules():
return grant_policies