# keystone.common.policies.token

# Source code for keystone.common.policies.token

    # 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_log import versionutils
    from oslo_policy import policy

    from keystone.common.policies import base

    DEPRECATED_REASON = (
        "The token API is now aware of system scope and default roles."
    )

    deprecated_check_token = policy.DeprecatedRule(
        name=base.IDENTITY % 'check_token',
        check_str=base.RULE_ADMIN_OR_TOKEN_SUBJECT,
        deprecated_reason=DEPRECATED_REASON,
        deprecated_since=versionutils.deprecated.TRAIN,
    )
    deprecated_validate_token = policy.DeprecatedRule(
        name=base.IDENTITY % 'validate_token',
        check_str=base.RULE_SERVICE_ADMIN_OR_TOKEN_SUBJECT,
        deprecated_reason=DEPRECATED_REASON,
        deprecated_since=versionutils.deprecated.TRAIN,
    )
    deprecated_revoke_token = policy.DeprecatedRule(
        name=base.IDENTITY % 'revoke_token',
        check_str=base.RULE_ADMIN_OR_TOKEN_SUBJECT,
        deprecated_reason=DEPRECATED_REASON,
        deprecated_since=versionutils.deprecated.TRAIN,
    )

    ADMIN_OR_TOKEN_SUBJECT = (
        base.RULE_ADMIN_REQUIRED + ' or rule:token_subject'  # nosec
    )
    ADMIN_OR_SYSTEM_USER_OR_TOKEN_SUBJECT = (
        base.RULE_ADMIN_REQUIRED + ' or '
        '(role:reader and system_scope:all) or rule:token_subject'  # nosec
    )
    ADMIN_OR_SYSTEM_USER_OR_SERVICE_OR_TOKEN_SUBJECT = (
        base.RULE_ADMIN_REQUIRED + ' or '
        '(role:reader and system_scope:all) '  # nosec
        'or rule:service_role or rule:token_subject'  # nosec
    )

    token_policies = [
        policy.DocumentedRuleDefault(
            name=base.IDENTITY % 'check_token',
            check_str=ADMIN_OR_SYSTEM_USER_OR_TOKEN_SUBJECT,
            scope_types=['system', 'domain', 'project'],
            description='Check a token.',
            operations=[{'path': '/v3/auth/tokens', 'method': 'HEAD'}],
            deprecated_rule=deprecated_check_token,
        ),
        policy.DocumentedRuleDefault(
            name=base.IDENTITY % 'validate_token',
            check_str=ADMIN_OR_SYSTEM_USER_OR_SERVICE_OR_TOKEN_SUBJECT,
            scope_types=['system', 'domain', 'project'],
            description='Validate a token.',
            operations=[{'path': '/v3/auth/tokens', 'method': 'GET'}],
            deprecated_rule=deprecated_validate_token,
        ),
        policy.DocumentedRuleDefault(
            name=base.IDENTITY % 'revoke_token',
            check_str=ADMIN_OR_TOKEN_SUBJECT,
            scope_types=['system', 'domain', 'project'],
            description='Revoke a token.',
            operations=[{'path': '/v3/auth/tokens', 'method': 'DELETE'}],
            deprecated_rule=deprecated_revoke_token,
        ),
    ]

    def list_rules():
        return token_policies

this page last updated: 2026-08-17 12:45:24

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