266 lines
10 KiB
Python
266 lines
10 KiB
Python
# Copyright (c) 2014 The Johns Hopkins University/Applied Physics Laboratory
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# 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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"""
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Test cases for the barbican key manager.
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"""
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import array
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import base64
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import binascii
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from barbicanclient import client as barbican_client
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from barbicanclient.common import auth
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from keystoneclient.v2_0 import client as keystone_client
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import mock
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from oslo.config import cfg
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from cinder import exception
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from cinder.keymgr import barbican
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from cinder.keymgr import key as keymgr_key
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from cinder.tests.keymgr import test_key_mgr
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CONF = cfg.CONF
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CONF.import_opt('encryption_auth_url', 'cinder.keymgr.key_mgr', group='keymgr')
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CONF.import_opt('encryption_api_url', 'cinder.keymgr.key_mgr', group='keymgr')
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class BarbicanKeyManagerTestCase(test_key_mgr.KeyManagerTestCase):
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def _create_key_manager(self):
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return barbican.BarbicanKeyManager()
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def setUp(self):
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super(BarbicanKeyManagerTestCase, self).setUp()
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# Create fake auth_token
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self.ctxt = mock.Mock()
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self.ctxt.auth_token = "fake_token"
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# Create mock keystone auth
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self._build_mock_auth()
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# Create mock barbican client
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self._build_mock_barbican()
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# Create mock keystone client
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self._build_mock_keystone()
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# Create a key_id, secret_ref, pre_hex, and hex to use
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self.key_id = "d152fa13-2b41-42ca-a934-6c21566c0f40"
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self.secret_ref = self.key_mgr._create_secret_ref(self.key_id,
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self.mock_barbican)
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self.pre_hex = "AIDxQp2++uAbKaTVDMXFYIu8PIugJGqkK0JLqkU0rhY="
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self.hex = ("0080f1429dbefae01b29a4d50cc5c5608bbc3c8ba0246aa42b424baa4"
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"534ae16")
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self.addCleanup(self._restore)
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def _restore(self):
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auth.KeystoneAuthV2 = self.original_auth
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barbican_client.Client = self.original_barbican
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keystone_client.Client = self.original_keystone
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if hasattr(self, 'original_key'):
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keymgr_key.SymmetricKey = self.original_key
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if hasattr(self, 'original_base64'):
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base64.b64encode = self.original_base64
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def _build_mock_auth(self):
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self.mock_auth = mock.Mock()
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def fake_keystone_auth(keystone):
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return self.mock_auth
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self.original_auth = auth.KeystoneAuthV2
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auth.KeystoneAuthV2 = fake_keystone_auth
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def _build_mock_barbican(self):
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self.mock_barbican = mock.MagicMock(name='mock_barbican')
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self.mock_barbican.base_url = "http://localhost:9311/v1/None"
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# Set commonly used methods
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self.get = self.mock_barbican.secrets.get
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self.decrypt = self.mock_barbican.secrets.decrypt
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self.delete = self.mock_barbican.secrets.delete
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self.store = self.mock_barbican.secrets.store
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def fake_barbican_client(auth_plugin):
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return self.mock_barbican
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self.original_barbican = barbican_client.Client
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barbican_client.Client = fake_barbican_client
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def _build_mock_keystone(self):
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self.mock_keystone = mock.Mock()
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def fake_keystone_client(token, endpoint):
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self.barbican_auth_endpoint = endpoint
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return self.mock_keystone
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self.original_keystone = keystone_client.Client
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keystone_client.Client = fake_keystone_client
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def _build_mock_symKey(self):
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self.mock_symKey = mock.Mock()
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def fake_sym_key(alg, key):
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self.mock_symKey.get_encoded.return_value = key
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self.mock_symKey.get_algorithm.return_value = alg
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return self.mock_symKey
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self.original_key = keymgr_key.SymmetricKey
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keymgr_key.SymmetricKey = fake_sym_key
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def _build_mock_base64(self):
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def fake_base64_b64encode(string):
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return self.pre_hex
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self.original_base64 = base64.b64encode
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base64.b64encode = fake_base64_b64encode
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def test_conf_urls(self):
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# Create a Key
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self.key_mgr.create_key(self.ctxt)
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# Confirm proper URL's were used
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self.assertEqual(self.barbican_auth_endpoint,
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CONF.keymgr.encryption_auth_url)
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self.assertEqual(self.mock_auth._barbican_url,
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CONF.keymgr.encryption_api_url)
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def test_copy_key(self):
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# Create metadata for original secret
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original_secret_metadata = mock.Mock()
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original_secret_metadata.algorithm = 'fake_algorithm'
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original_secret_metadata.bit_length = 'fake_bit_length'
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original_secret_metadata.name = 'original_name'
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original_secret_metadata.expiration = 'fake_expiration'
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original_secret_metadata.mode = 'fake_mode'
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content_types = {'default': 'fake_type'}
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original_secret_metadata.content_types = content_types
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self.get.return_value = original_secret_metadata
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# Create data for original secret
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original_secret_data = mock.Mock()
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self.decrypt.return_value = original_secret_data
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# Create the mock key
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self._build_mock_symKey()
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# Copy the original
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self.key_mgr.copy_key(self.ctxt, self.key_id)
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# Assert proper methods were called
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self.get.assert_called_once_with(self.secret_ref)
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self.decrypt.assert_called_once_with(self.secret_ref,
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content_types['default'])
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self.store.assert_called_once_with(original_secret_metadata.name,
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self.mock_symKey.get_encoded(),
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content_types['default'],
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'base64',
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original_secret_metadata.algorithm,
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original_secret_metadata.bit_length,
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original_secret_metadata.mode,
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original_secret_metadata.expiration)
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def test_copy_null_context(self):
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self.assertRaises(exception.NotAuthorized,
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self.key_mgr.copy_key, None, None)
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def test_create_key(self):
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# Create order_ref_url and assign return value
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order_ref_url = ("http://localhost:9311/v1/None/orders/"
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"4fe939b7-72bc-49aa-bd1e-e979589858af")
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self.mock_barbican.orders.create.return_value = order_ref_url
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# Create order and assign return value
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order = mock.Mock()
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order.secret_ref = self.secret_ref
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self.mock_barbican.orders.get.return_value = order
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# Create the key, get the UUID
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returned_uuid = self.key_mgr.create_key(self.ctxt)
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self.mock_barbican.orders.get.assert_called_once_with(order_ref_url)
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self.assertEqual(returned_uuid, self.key_id)
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def test_create_null_context(self):
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self.assertRaises(exception.NotAuthorized,
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self.key_mgr.create_key, None)
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def test_delete_null_context(self):
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self.assertRaises(exception.NotAuthorized,
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self.key_mgr.delete_key, None, None)
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def test_delete_key(self):
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self.key_mgr.delete_key(self.ctxt, self.key_id)
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self.delete.assert_called_once_with(self.secret_ref)
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def test_delete_unknown_key(self):
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self.assertRaises(TypeError, self.key_mgr.delete_key, self.ctxt, None)
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def test_get_key(self):
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self._build_mock_base64()
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content_type = 'application/octet-stream'
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key = self.key_mgr.get_key(self.ctxt, self.key_id, content_type)
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self.decrypt.assert_called_once_with(self.secret_ref,
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content_type)
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encoded = array.array('B', binascii.unhexlify(self.hex)).tolist()
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self.assertEqual(key.get_encoded(), encoded)
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def test_get_null_context(self):
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self.assertRaises(exception.NotAuthorized,
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self.key_mgr.get_key, None, None)
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def test_get_unknown_key(self):
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self.assertRaises(TypeError, self.key_mgr.get_key, self.ctxt, None)
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def test_store_key_base64(self):
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# Create Key to store
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secret_key = array.array('B', [0x01, 0x02, 0xA0, 0xB3]).tolist()
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_key = keymgr_key.SymmetricKey('AES', secret_key)
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# Define the return value
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self.store.return_value = self.secret_ref
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# Store the Key
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returned_uuid = self.key_mgr.store_key(self.ctxt, _key, bit_length=32)
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self.store.assert_called_once_with('Cinder Volume Key',
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'AQKgsw==',
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'application/octet-stream',
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'base64',
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'AES', 32, 'CBC',
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None)
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self.assertEqual(returned_uuid, self.key_id)
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def test_store_key_plaintext(self):
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# Create the plaintext key
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secret_key_text = "This is a test text key."
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_key = keymgr_key.SymmetricKey('AES', secret_key_text)
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# Store the Key
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self.key_mgr.store_key(self.ctxt, _key,
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payload_content_type='text/plain',
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payload_content_encoding=None)
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self.store.assert_called_once_with('Cinder Volume Key',
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secret_key_text,
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'text/plain',
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None,
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'AES', 256, 'CBC',
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None)
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def test_store_null_context(self):
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self.assertRaises(exception.NotAuthorized,
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self.key_mgr.store_key, None, None)
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