123 lines
4.2 KiB
Python
123 lines
4.2 KiB
Python
# All Rights Reserved.
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#
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# 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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DEPRECATED_REASON = """
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The designate API now supports system scope and default roles.
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"""
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RULE_ANY = "@"
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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., cleaning up blacklists)
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SYSTEM_ADMIN = 'role:admin'
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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 uses are also able to view project-specific resources where
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# applicable (e.g., listing all pools)
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SYSTEM_READER = 'role:admin'
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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
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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 DNS zones)
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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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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
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SYSTEM_ADMIN_OR_PROJECT_MEMBER = (
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'(' + SYSTEM_ADMIN + ') or (' + PROJECT_MEMBER + ')'
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)
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SYSTEM_OR_PROJECT_READER = (
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'(' + SYSTEM_READER + ') or (' + PROJECT_READER + ')'
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)
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# Designate specific "secure RBAC" rules
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ALL_TENANTS = 'True:%(all_tenants)s'
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ALL_TENANTS_READER = ALL_TENANTS + ' and role:reader'
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SYSTEM_OR_PROJECT_READER_OR_ALL_TENANTS_READER = (
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'(' + SYSTEM_READER + ') or (' + PROJECT_READER + ') or (' +
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ALL_TENANTS_READER + ')'
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)
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SYSTEM_OR_PROJECT_READER_OR_SHARED = (
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SYSTEM_OR_PROJECT_READER + ' or ("True":%(zone_shared)s)'
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)
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RULE_ZONE_TRANSFER = (
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'(' + SYSTEM_ADMIN_OR_PROJECT_MEMBER + ') or '
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'project_id:%(target_project_id)s or '
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'None:%(target_project_id)s')
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# Deprecated in Wallaby as part of the "secure RBAC" work.
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# TODO(johnsom) remove when the deprecated RBAC rules are removed.
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RULE_ADMIN = 'rule:admin'
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RULE_ADMIN_OR_OWNER = 'rule:admin_or_owner'
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LEGACY_RULE_ZONE_TRANSFER = (
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"rule:admin_or_owner OR "
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"project_id:%(target_tenant_id)s "
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"OR None:%(target_tenant_id)s"
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)
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RULE_ADMIN_OR_OWNER_OR_SHARED = (
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RULE_ADMIN_OR_OWNER + ' or ("True":%(zone_shared)s)'
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)
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deprecated_default = policy.DeprecatedRule(
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name="default",
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check_str=RULE_ADMIN_OR_OWNER,
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deprecated_reason=DEPRECATED_REASON,
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deprecated_since=versionutils.deprecated.WALLABY
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)
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rules = [
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# TODO(johnsom) remove when the deprecated RBAC rules are removed.
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policy.RuleDefault(
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name="admin",
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check_str="role:admin or is_admin:True"),
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# TODO(johnsom) remove when the deprecated RBAC rules are removed.
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policy.RuleDefault(
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name="owner",
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check_str="project_id:%(tenant_id)s"),
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# TODO(johnsom) remove when the deprecated RBAC rules are removed.
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policy.RuleDefault(
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name="admin_or_owner",
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check_str="rule:admin or rule:owner"),
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# Default policy
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policy.RuleDefault(
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name="default",
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check_str=SYSTEM_ADMIN_OR_PROJECT_MEMBER,
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deprecated_rule=deprecated_default),
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]
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def list_rules():
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return rules
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