1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
# All Rights Reserved.
#
# 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
DEPRECATED_REASON = """
The designate API now supports system scope and default roles.
"""
RULE_ANY = "@"
# Generic policy check string for system administrators. These are the people
# who need the highest level of authorization to operate the deployment.
# They're allowed to create, read, update, or delete any system-specific
# resource. They can also operate on project-specific resources where
# applicable (e.g., cleaning up blacklists)
SYSTEM_ADMIN = 'role:admin and system_scope:all'
# Generic policy check string for read-only access to system-level resources.
# This persona is useful for someone who needs access for auditing or even
# support. These uses are also able to view project-specific resources where
# applicable (e.g., listing all pools)
SYSTEM_READER = 'role:reader and system_scope:all'
# This check string is reserved for actions that require the highest level of
# authorization on a project or resources within the project
PROJECT_ADMIN = 'role:admin and project_id:%(project_id)s'
# This check string is the primary use case for typical end-users, who are
# working with resources that belong to a project (e.g., creating DNS zones)
PROJECT_MEMBER = 'role:member and project_id:%(project_id)s'
# This check string should only be used to protect read-only project-specific
# resources. It should not be used to protect APIs that make writable changes.
PROJECT_READER = 'role:reader and project_id:%(project_id)s'
# The following are common composite check strings that are useful for
# protecting APIs designed to operate with multiple scopes
SYSTEM_ADMIN_OR_PROJECT_MEMBER = (
'(' + SYSTEM_ADMIN + ') or (' + PROJECT_MEMBER + ')'
)
SYSTEM_OR_PROJECT_READER = (
'(' + SYSTEM_READER + ') or (' + PROJECT_READER + ')'
)
# Designate specific "secure RBAC" rules
ALL_TENANTS = 'True:%(all_tenants)s'
ALL_TENANTS_READER = ALL_TENANTS + ' and role:reader'
SYSTEM_OR_PROJECT_READER_OR_ALL_TENANTS_READER = (
'(' + SYSTEM_READER + ') or (' + PROJECT_READER + ') or (' +
ALL_TENANTS_READER + ')'
)
RULE_ZONE_TRANSFER = (
'(' + SYSTEM_ADMIN_OR_PROJECT_MEMBER + ') or '
'project_id:%(target_project_id)s or '
'None:%(target_project_id)s')
# Deprecated in Wallaby as part of the "secure RBAC" work.
# TODO(johnsom) remove when the deprecated RBAC rules are removed.
RULE_ADMIN = 'rule:admin'
RULE_ADMIN_OR_OWNER = 'rule:admin_or_owner'
LEGACY_RULE_ZONE_TRANSFER = "rule:admin_or_owner OR " \
"project_id:%(target_tenant_id)s " \
"OR None:%(target_tenant_id)s"
deprecated_default = policy.DeprecatedRule(
name="default",
check_str=RULE_ADMIN_OR_OWNER,
deprecated_reason=DEPRECATED_REASON,
deprecated_since=versionutils.deprecated.WALLABY
)
rules = [
# TODO(johnsom) remove when the deprecated RBAC rules are removed.
policy.RuleDefault(
name="admin",
check_str="role:admin or is_admin:True"),
# TODO(johnsom) remove when the deprecated RBAC rules are removed.
policy.RuleDefault(
name="owner",
check_str="project_id:%(tenant_id)s"),
# TODO(johnsom) remove when the deprecated RBAC rules are removed.
policy.RuleDefault(
name="admin_or_owner",
check_str="rule:admin or rule:owner"),
# Default policy
policy.RuleDefault(
name="default",
check_str=SYSTEM_ADMIN_OR_PROJECT_MEMBER,
deprecated_rule=deprecated_default),
]
def list_rules():
return rules
|
