247 lines
9.6 KiB
Python
247 lines
9.6 KiB
Python
# Copyright 2011 Piston Cloud Computing, Inc.
|
|
# 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.
|
|
|
|
import os
|
|
import subprocess
|
|
from unittest import mock
|
|
import uuid
|
|
|
|
from oslo_policy import policy as common_policy
|
|
|
|
from keystone.common import policies
|
|
from keystone.common.rbac_enforcer import policy
|
|
import keystone.conf
|
|
from keystone import exception
|
|
from keystone.tests import unit
|
|
from keystone.tests.unit import ksfixtures
|
|
from keystone.tests.unit.ksfixtures import temporaryfile
|
|
|
|
|
|
CONF = keystone.conf.CONF
|
|
|
|
|
|
class PolicyFileTestCase(unit.TestCase):
|
|
def setUp(self):
|
|
# self.tmpfilename should exist before setUp super is called
|
|
# this is to ensure it is available for the config_fixture in
|
|
# the config_overrides call.
|
|
self.tempfile = self.useFixture(temporaryfile.SecureTempFile())
|
|
self.tmpfilename = self.tempfile.file_name
|
|
super(PolicyFileTestCase, self).setUp()
|
|
self.target = {}
|
|
|
|
def _policy_fixture(self):
|
|
return ksfixtures.Policy(
|
|
self.config_fixture, policy_file=self.tmpfilename
|
|
)
|
|
|
|
def test_modified_policy_reloads(self):
|
|
action = "example:test"
|
|
empty_credentials = {}
|
|
with open(self.tmpfilename, "w") as policyfile:
|
|
policyfile.write("""{"example:test": []}""")
|
|
policy.enforce(empty_credentials, action, self.target)
|
|
with open(self.tmpfilename, "w") as policyfile:
|
|
policyfile.write("""{"example:test": ["false:false"]}""")
|
|
policy._ENFORCER._enforcer.clear()
|
|
self.assertRaises(exception.ForbiddenAction, policy.enforce,
|
|
empty_credentials, action, self.target)
|
|
|
|
|
|
class PolicyTestCase(unit.TestCase):
|
|
def setUp(self):
|
|
super(PolicyTestCase, self).setUp()
|
|
self.rules = {
|
|
"true": [],
|
|
"example:allowed": [],
|
|
"example:denied": [["false:false"]],
|
|
"example:get_http": [["http:http://www.example.com"]],
|
|
"example:my_file": [["role:compute_admin"],
|
|
["project_id:%(project_id)s"]],
|
|
"example:early_and_fail": [["false:false", "rule:true"]],
|
|
"example:early_or_success": [["rule:true"], ["false:false"]],
|
|
"example:lowercase_admin": [["role:admin"], ["role:sysadmin"]],
|
|
"example:uppercase_admin": [["role:ADMIN"], ["role:sysadmin"]],
|
|
}
|
|
|
|
# NOTE(vish): then overload underlying policy engine
|
|
self._set_rules()
|
|
self.credentials = {}
|
|
self.target = {}
|
|
|
|
def _set_rules(self):
|
|
these_rules = common_policy.Rules.from_dict(self.rules)
|
|
policy._ENFORCER._enforcer.set_rules(these_rules)
|
|
|
|
def test_enforce_nonexistent_action_throws(self):
|
|
action = "example:noexist"
|
|
self.assertRaises(exception.ForbiddenAction, policy.enforce,
|
|
self.credentials, action, self.target)
|
|
|
|
def test_enforce_bad_action_throws(self):
|
|
action = "example:denied"
|
|
self.assertRaises(exception.ForbiddenAction, policy.enforce,
|
|
self.credentials, action, self.target)
|
|
|
|
def test_enforce_good_action(self):
|
|
action = "example:allowed"
|
|
policy.enforce(self.credentials, action, self.target)
|
|
|
|
def test_templatized_enforcement(self):
|
|
target_mine = {'project_id': 'fake'}
|
|
target_not_mine = {'project_id': 'another'}
|
|
credentials = {'project_id': 'fake', 'roles': []}
|
|
action = "example:my_file"
|
|
policy.enforce(credentials, action, target_mine)
|
|
self.assertRaises(exception.ForbiddenAction, policy.enforce,
|
|
credentials, action, target_not_mine)
|
|
|
|
def test_early_AND_enforcement(self):
|
|
action = "example:early_and_fail"
|
|
self.assertRaises(exception.ForbiddenAction, policy.enforce,
|
|
self.credentials, action, self.target)
|
|
|
|
def test_early_OR_enforcement(self):
|
|
action = "example:early_or_success"
|
|
policy.enforce(self.credentials, action, self.target)
|
|
|
|
def test_ignore_case_role_check(self):
|
|
lowercase_action = "example:lowercase_admin"
|
|
uppercase_action = "example:uppercase_admin"
|
|
# NOTE(dprince): We mix case in the Admin role here to ensure
|
|
# case is ignored
|
|
admin_credentials = {'roles': ['AdMiN']}
|
|
policy.enforce(admin_credentials, lowercase_action, self.target)
|
|
policy.enforce(admin_credentials, uppercase_action, self.target)
|
|
|
|
|
|
class PolicyScopeTypesEnforcementTestCase(unit.TestCase):
|
|
|
|
def setUp(self):
|
|
super(PolicyScopeTypesEnforcementTestCase, self).setUp()
|
|
rule = common_policy.RuleDefault(
|
|
name='foo',
|
|
check_str='',
|
|
scope_types=['system']
|
|
)
|
|
policy._ENFORCER._enforcer.register_default(rule)
|
|
self.credentials = {}
|
|
self.action = 'foo'
|
|
self.target = {}
|
|
|
|
def test_forbidden_is_raised_if_enforce_scope_is_true(self):
|
|
self.config_fixture.config(group='oslo_policy', enforce_scope=True)
|
|
self.assertRaises(
|
|
exception.ForbiddenAction, policy.enforce, self.credentials,
|
|
self.action, self.target
|
|
)
|
|
|
|
def test_warning_message_is_logged_if_enforce_scope_is_false(self):
|
|
self.config_fixture.config(group='oslo_policy', enforce_scope=False)
|
|
expected_msg = (
|
|
'Policy foo failed scope check. The token used to make the '
|
|
'request was project scoped but the policy requires [\'system\'] '
|
|
'scope. This behavior may change in the future where using the '
|
|
'intended scope is required'
|
|
)
|
|
with mock.patch('warnings.warn') as mock_warn:
|
|
policy.enforce(self.credentials, self.action, self.target)
|
|
mock_warn.assert_called_with(expected_msg)
|
|
|
|
|
|
class PolicyJsonTestCase(unit.TestCase):
|
|
|
|
def _get_default_policy_rules(self):
|
|
"""Return a dictionary of all in-code policies.
|
|
|
|
All policies have a default value that is maintained in code.
|
|
This method returns a dictionary containing all default policies.
|
|
"""
|
|
rules = dict()
|
|
for rule in policies.list_rules():
|
|
rules[rule.name] = rule.check_str
|
|
return rules
|
|
|
|
def test_policies_loads(self):
|
|
action = 'identity:list_projects'
|
|
target = {'user_id': uuid.uuid4().hex,
|
|
'user.domain_id': uuid.uuid4().hex,
|
|
'group.domain_id': uuid.uuid4().hex,
|
|
'project.domain_id': uuid.uuid4().hex,
|
|
'project_id': uuid.uuid4().hex,
|
|
'domain_id': uuid.uuid4().hex}
|
|
credentials = {'username': uuid.uuid4().hex, 'token': uuid.uuid4().hex,
|
|
'project_name': None, 'user_id': uuid.uuid4().hex,
|
|
'roles': [u'admin'], 'is_admin': True,
|
|
'is_admin_project': True, 'project_id': None,
|
|
'domain_id': uuid.uuid4().hex}
|
|
|
|
# The enforcer is setup behind the scenes and registers the in code
|
|
# default policies.
|
|
result = policy._ENFORCER._enforcer.enforce(action, target,
|
|
credentials)
|
|
self.assertTrue(result)
|
|
|
|
def test_all_targets_documented(self):
|
|
policy_keys = self._get_default_policy_rules()
|
|
|
|
# These keys are in the policy.json but aren't targets.
|
|
policy_rule_keys = [
|
|
'admin_or_owner', 'admin_or_token_subject', 'admin_required',
|
|
'owner', 'service_admin_or_token_subject', 'service_or_admin',
|
|
'service_role', 'token_subject', ]
|
|
|
|
def read_doc_targets():
|
|
# Parse the doc/source/policy_mapping.rst file and return the
|
|
# targets.
|
|
|
|
doc_path = os.path.join(
|
|
unit.ROOTDIR, 'doc', 'source', 'getting-started',
|
|
'policy_mapping.rst')
|
|
with open(doc_path) as doc_file:
|
|
for line in doc_file:
|
|
if line.startswith('Target'):
|
|
break
|
|
for line in doc_file:
|
|
# Skip === line
|
|
if line.startswith('==='):
|
|
break
|
|
for line in doc_file:
|
|
line = line.rstrip()
|
|
if not line or line.startswith(' '):
|
|
continue
|
|
if line.startswith('=='):
|
|
break
|
|
target, dummy, dummy = line.partition(' ')
|
|
yield str(target)
|
|
|
|
doc_targets = list(read_doc_targets())
|
|
self.assertItemsEqual(policy_keys, doc_targets + policy_rule_keys)
|
|
|
|
|
|
class GeneratePolicyFileTestCase(unit.TestCase):
|
|
|
|
def test_policy_generator_from_command_line(self):
|
|
# This test ensures keystone.common.policy:get_enforcer ignores
|
|
# unexpected arguments before handing them off to oslo.config, which
|
|
# will fail and prevent users from generating policy files.
|
|
ret_val = subprocess.Popen(
|
|
['oslopolicy-policy-generator', '--namespace', 'keystone'],
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE
|
|
)
|
|
output = ret_val.communicate()
|
|
self.assertEqual(ret_val.returncode, 0, output)
|