138 lines
5.4 KiB
Python
138 lines
5.4 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_policy import policy
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def policy_and(*args):
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return ' and '.join(args)
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def policy_or(*args):
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return ' or '.join(args)
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# TODO(amotoki): Define these in neutron-lib once what constants are required
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# from stadium and 3rd party projects.
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# As of now, the following are candidates.
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RULE_ADMIN_OR_OWNER = 'rule:admin_or_owner'
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RULE_ADMIN_ONLY = 'rule:admin_only'
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RULE_ANY = 'rule:regular_user'
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RULE_ADVSVC = 'rule:context_is_advsvc'
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RULE_ADMIN_OR_NET_OWNER = 'rule:admin_or_network_owner'
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RULE_ADMIN_OR_NET_OWNER_OR_ADVSVC = policy_or(RULE_ADMIN_OR_NET_OWNER,
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RULE_ADVSVC)
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RULE_ADMIN_OR_PARENT_OWNER = 'rule:admin_or_ext_parent_owner'
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# Generic policy check string for system administrators. These are the people
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# who need the highest level of authorization to operate the deployment.
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# They're allowed to create, read, update, or delete any system-specific
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# resource. They can also operate on project-specific resources where
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# applicable (e.g., removing networks or routers)
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SYSTEM_ADMIN = 'role:admin and system_scope:all'
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# Generic policy check string for system users who don't require all the
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# authorization that system administrators typically have. This persona, or
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# check string, typically isn't used by default, but it's existence it useful
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# in the event a deployment wants to offload some administrative action from
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# system administrator to system members
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SYSTEM_MEMBER = 'role:member and system_scope:all'
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# Generic policy check string for read-only access to system-level resources.
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# This persona is useful for someone who needs access for auditing or even
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# support. These users are also able to view project-specific resources where
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# applicable (e.g., listing all networks in the deployment, regardless of the
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# project they belong to).
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SYSTEM_READER = 'role:reader and system_scope:all'
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# This check string is reserved for actions that require the highest level of
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# authorization on a project or resources within the project (e.g., setting the
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# creating QoS policies)
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PROJECT_ADMIN = 'role:admin and project_id:%(project_id)s'
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# This check string is the primary use case for typical end-users, who are
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# working with resources that belong to a project (e.g., creating ports and
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# routers).
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PROJECT_MEMBER = 'role:member and project_id:%(project_id)s'
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# This check string should only be used to protect read-only project-specific
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# resources. It should not be used to protect APIs that make writable changes
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# (e.g., updating a router or deleting a port).
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PROJECT_READER = 'role:reader and project_id:%(project_id)s'
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# The following are common composite check strings that are useful for
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# protecting APIs designed to operate with multiple scopes (e.g., a system
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# administrator should be able to delete any router in the deployment, a
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# project member should only be able to delete routers in their project).
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SYSTEM_ADMIN_OR_PROJECT_MEMBER = (
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'(' + SYSTEM_ADMIN + ') or (' + PROJECT_MEMBER + ')')
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SYSTEM_OR_PROJECT_READER = (
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'(' + SYSTEM_READER + ') or (' + PROJECT_READER + ')')
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rules = [
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policy.RuleDefault(
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'context_is_admin',
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'role:admin',
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description='Rule for cloud admin access'),
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policy.RuleDefault(
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'owner',
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'tenant_id:%(tenant_id)s',
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description='Rule for resource owner access'),
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policy.RuleDefault(
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'admin_or_owner',
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policy_or('rule:context_is_admin',
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'rule:owner'),
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description='Rule for admin or owner access'),
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policy.RuleDefault(
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'context_is_advsvc',
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'role:advsvc',
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description='Rule for advsvc role access'),
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policy.RuleDefault(
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'admin_or_network_owner',
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policy_or('rule:context_is_admin',
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'tenant_id:%(network:tenant_id)s'),
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description='Rule for admin or network owner access'),
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policy.RuleDefault(
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'admin_owner_or_network_owner',
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policy_or('rule:owner',
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RULE_ADMIN_OR_NET_OWNER),
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description=('Rule for resource owner, '
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'admin or network owner access')),
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policy.RuleDefault(
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'admin_only',
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'rule:context_is_admin',
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description='Rule for admin-only access'),
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policy.RuleDefault(
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'regular_user',
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'',
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description='Rule for regular user access'),
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# TODO(amotoki): Should be renamed to shared_network? It seems clearer.
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policy.RuleDefault(
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'shared',
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'field:networks:shared=True',
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description='Rule of shared network'),
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policy.RuleDefault(
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'default',
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RULE_ADMIN_OR_OWNER,
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description='Default access rule'),
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policy.RuleDefault(
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'admin_or_ext_parent_owner',
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policy_or('rule:context_is_admin',
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'tenant_id:%(ext_parent:tenant_id)s'),
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description='Rule for common parent owner check'),
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]
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def list_rules():
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return rules
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