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#
# Copyright 2012 OpenStack Foundation
# 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.path
import ddt
from oslo_config import fixture as config_fixture
from oslo_policy import policy as base_policy
from heat.common import exception
from heat.common import policy
from heat.tests import common
from heat.tests import utils
policy_path = os.path.dirname(os.path.realpath(__file__)) + "/policy/"
@ddt.ddt
class TestPolicyEnforcer(common.HeatTestCase):
def setUp(self):
super(TestPolicyEnforcer, self).setUp(
mock_resource_policy=False, mock_find_file=False)
self.fixture = self.useFixture(config_fixture.Config())
self.fixture.conf(args=['--config-dir', policy_path])
def get_policy_file(self, filename):
return policy_path + filename
def _get_context(self, persona):
if persona == "system_admin":
ctx = utils.dummy_system_admin_context()
elif persona == "system_reader":
ctx = utils.dummy_system_reader_context()
elif persona == "project_admin":
ctx = utils.dummy_context(roles=['admin', 'member', 'reader'])
elif persona == "project_member":
ctx = utils.dummy_context(roles=['member', 'reader'])
elif persona == "project_reader":
ctx = utils.dummy_context(roles=['reader'])
elif persona == "stack_user":
ctx = utils.dummy_context(roles=['heat_stack_user'])
elif persona == "anyone":
ctx = utils.dummy_context(roles=['foobar'])
else:
self.fail("Persona [{}] not found".format(persona))
return ctx
def _test_legacy_rbac_policies(self, **kwargs):
scope = kwargs.get("scope")
actions = kwargs.get("actions")
allowed_personas = kwargs.get("allowed", [])
denied_personas = kwargs.get("denied", [])
self._test_policy_allowed(scope, actions, allowed_personas)
self._test_policy_notallowed(scope, actions, denied_personas)
@ddt.file_data('policy/test_acl_personas.yaml')
@ddt.unpack
def test_legacy_rbac_policies(self, **kwargs):
self._test_legacy_rbac_policies(**kwargs)
@ddt.file_data('policy/test_deprecated_access.yaml')
@ddt.unpack
def test_deprecated_policies(self, **kwargs):
self._test_legacy_rbac_policies(**kwargs)
@ddt.file_data('policy/test_acl_personas.yaml')
@ddt.unpack
def test_secure_rbac_policies(self, **kwargs):
self.fixture.config(group='oslo_policy', enforce_scope=True)
self.fixture.config(group='oslo_policy', enforce_new_defaults=True)
scope = kwargs.get("scope")
actions = kwargs.get("actions")
allowed_personas = kwargs.get("allowed", [])
denied_personas = kwargs.get("denied", [])
self._test_policy_allowed(scope, actions, allowed_personas)
self._test_policy_notallowed(scope, actions, denied_personas)
def _test_policy_allowed(self, scope, actions, personas):
enforcer = policy.Enforcer(scope=scope)
for persona in personas:
ctx = self._get_context(persona)
for action in actions:
# Everything should be allowed
enforcer.enforce(
ctx,
action,
target={"project_id": "test_tenant_id"},
is_registered_policy=True
)
def _test_policy_notallowed(self, scope, actions, personas):
enforcer = policy.Enforcer(scope=scope)
for persona in personas:
ctx = self._get_context(persona)
for action in actions:
# Everything should raise the default exception.Forbidden
self.assertRaises(
exception.Forbidden,
enforcer.enforce, ctx,
action,
target={"project_id": "test_tenant_id"},
is_registered_policy=True)
def test_set_rules_overwrite_true(self):
enforcer = policy.Enforcer()
enforcer.load_rules(True)
enforcer.set_rules({'test_heat_rule': 1}, True)
self.assertEqual({'test_heat_rule': 1}, enforcer.enforcer.rules)
def test_set_rules_overwrite_false(self):
enforcer = policy.Enforcer()
enforcer.load_rules(True)
enforcer.load_rules(True)
enforcer.set_rules({'test_heat_rule': 1}, False)
self.assertIn('test_heat_rule', enforcer.enforcer.rules)
def test_load_rules_force_reload_true(self):
enforcer = policy.Enforcer()
enforcer.load_rules(True)
enforcer.set_rules({'test_heat_rule': 'test'})
enforcer.load_rules(True)
self.assertNotIn({'test_heat_rule': 'test'}, enforcer.enforcer.rules)
def test_load_rules_force_reload_false(self):
enforcer = policy.Enforcer()
enforcer.load_rules(True)
enforcer.load_rules(True)
enforcer.set_rules({'test_heat_rule': 'test'})
enforcer.load_rules(False)
self.assertIn('test_heat_rule', enforcer.enforcer.rules)
def test_no_such_action(self):
ctx = utils.dummy_context(roles=['not_a_stack_user'])
enforcer = policy.Enforcer(scope='cloudformation')
action = 'no_such_action'
msg = 'cloudformation:no_such_action has not been registered'
self.assertRaisesRegex(base_policy.PolicyNotRegistered,
msg,
enforcer.enforce,
ctx, action,
None, None,
True)
def test_check_admin(self):
enforcer = policy.Enforcer()
ctx = utils.dummy_context(roles=[])
self.assertFalse(enforcer.check_is_admin(ctx))
ctx = utils.dummy_context(roles=['not_admin'])
self.assertFalse(enforcer.check_is_admin(ctx))
ctx = utils.dummy_context(roles=['admin'])
self.assertTrue(enforcer.check_is_admin(ctx))
def test_enforce_creds(self):
enforcer = policy.Enforcer()
ctx = utils.dummy_context(roles=['admin'])
self.assertTrue(enforcer.check_is_admin(ctx))
def test_resource_default_rule(self):
context = utils.dummy_context(roles=['non-admin'])
enforcer = policy.ResourceEnforcer()
res_type = "OS::Test::NotInPolicy"
self.assertTrue(enforcer.enforce(context, res_type,
is_registered_policy=True))
def test_resource_enforce_success(self):
context = utils.dummy_context(roles=['admin'])
enforcer = policy.ResourceEnforcer()
res_type = "OS::Keystone::User"
self.assertTrue(enforcer.enforce(context, res_type,
is_registered_policy=True))
def test_resource_enforce_fail(self):
context = utils.dummy_context(roles=['non-admin'])
enforcer = policy.ResourceEnforcer()
res_type = "OS::Nova::Quota"
ex = self.assertRaises(exception.Forbidden,
enforcer.enforce,
context, res_type,
None, None,
True)
self.assertIn(res_type, ex.message)
def test_resource_wildcard_enforce_fail(self):
context = utils.dummy_context(roles=['non-admin'])
enforcer = policy.ResourceEnforcer()
res_type = "OS::Keystone::User"
ex = self.assertRaises(exception.Forbidden,
enforcer.enforce,
context, res_type,
None, None,
True)
self.assertIn(res_type.split("::", 1)[0], ex.message)
def test_resource_enforce_returns_false(self):
context = utils.dummy_context(roles=['non-admin'])
enforcer = policy.ResourceEnforcer(exc=None)
res_type = "OS::Keystone::User"
self.assertFalse(enforcer.enforce(context, res_type,
is_registered_policy=True))
self.assertIsNotNone(enforcer.enforce(context, res_type,
is_registered_policy=True))
def test_resource_enforce_exc_on_false(self):
context = utils.dummy_context(roles=['non-admin'])
enforcer = policy.ResourceEnforcer()
res_type = "OS::Keystone::User"
ex = self.assertRaises(exception.Forbidden,
enforcer.enforce,
context, res_type,
None, None,
True)
self.assertIn(res_type, ex.message)
def test_resource_enforce_override_deny_admin(self):
context = utils.dummy_context(roles=['admin'])
enforcer = policy.ResourceEnforcer(
policy_file=self.get_policy_file('resources.json'))
res_type = "OS::Cinder::Quota"
ex = self.assertRaises(exception.Forbidden,
enforcer.enforce,
context, res_type,
None, None,
True)
self.assertIn(res_type, ex.message)
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