31f326dab6
Rather than continue to call deprecated functions without knowing it, have the unit tests fail when deprecated function is used. This will ensure that code isn't added that calls deprecated functions. Change-Id: If9f58e30a08a88778e4ae3fc01399ad90997e812
103 lines
4.2 KiB
Python
103 lines
4.2 KiB
Python
# 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 six
|
|
import testtools
|
|
|
|
from keystoneclient.middleware import memcache_crypt
|
|
from keystoneclient.tests.unit import client_fixtures
|
|
|
|
|
|
class MemcacheCryptPositiveTests(testtools.TestCase):
|
|
def setUp(self):
|
|
super(MemcacheCryptPositiveTests, self).setUp()
|
|
self.useFixture(client_fixtures.Deprecations())
|
|
|
|
def _setup_keys(self, strategy):
|
|
return memcache_crypt.derive_keys(b'token', b'secret', strategy)
|
|
|
|
def test_constant_time_compare(self):
|
|
# make sure it works as a compare, the "constant time" aspect
|
|
# isn't appropriate to test in unittests
|
|
ctc = memcache_crypt.constant_time_compare
|
|
self.assertTrue(ctc('abcd', 'abcd'))
|
|
self.assertTrue(ctc('', ''))
|
|
self.assertFalse(ctc('abcd', 'efgh'))
|
|
self.assertFalse(ctc('abc', 'abcd'))
|
|
self.assertFalse(ctc('abc', 'abc\x00'))
|
|
self.assertFalse(ctc('', 'abc'))
|
|
|
|
# For Python 3, we want to test these functions with both str and bytes
|
|
# as input.
|
|
if six.PY3:
|
|
self.assertTrue(ctc(b'abcd', b'abcd'))
|
|
self.assertTrue(ctc(b'', b''))
|
|
self.assertFalse(ctc(b'abcd', b'efgh'))
|
|
self.assertFalse(ctc(b'abc', b'abcd'))
|
|
self.assertFalse(ctc(b'abc', b'abc\x00'))
|
|
self.assertFalse(ctc(b'', b'abc'))
|
|
|
|
def test_derive_keys(self):
|
|
keys = self._setup_keys(b'strategy')
|
|
self.assertEqual(len(keys['ENCRYPTION']),
|
|
len(keys['CACHE_KEY']))
|
|
self.assertEqual(len(keys['CACHE_KEY']),
|
|
len(keys['MAC']))
|
|
self.assertNotEqual(keys['ENCRYPTION'],
|
|
keys['MAC'])
|
|
self.assertIn('strategy', keys.keys())
|
|
|
|
def test_key_strategy_diff(self):
|
|
k1 = self._setup_keys(b'MAC')
|
|
k2 = self._setup_keys(b'ENCRYPT')
|
|
self.assertNotEqual(k1, k2)
|
|
|
|
def test_sign_data(self):
|
|
keys = self._setup_keys(b'MAC')
|
|
sig = memcache_crypt.sign_data(keys['MAC'], b'data')
|
|
self.assertEqual(len(sig), memcache_crypt.DIGEST_LENGTH_B64)
|
|
|
|
def test_encryption(self):
|
|
keys = self._setup_keys(b'ENCRYPT')
|
|
# what you put in is what you get out
|
|
for data in [b'data', b'1234567890123456', b'\x00\xFF' * 13
|
|
] + [six.int2byte(x % 256) * x for x in range(768)]:
|
|
crypt = memcache_crypt.encrypt_data(keys['ENCRYPTION'], data)
|
|
decrypt = memcache_crypt.decrypt_data(keys['ENCRYPTION'], crypt)
|
|
self.assertEqual(data, decrypt)
|
|
self.assertRaises(memcache_crypt.DecryptError,
|
|
memcache_crypt.decrypt_data,
|
|
keys['ENCRYPTION'], crypt[:-1])
|
|
|
|
def test_protect_wrappers(self):
|
|
data = b'My Pretty Little Data'
|
|
for strategy in [b'MAC', b'ENCRYPT']:
|
|
keys = self._setup_keys(strategy)
|
|
protected = memcache_crypt.protect_data(keys, data)
|
|
self.assertNotEqual(protected, data)
|
|
if strategy == b'ENCRYPT':
|
|
self.assertNotIn(data, protected)
|
|
unprotected = memcache_crypt.unprotect_data(keys, protected)
|
|
self.assertEqual(data, unprotected)
|
|
self.assertRaises(memcache_crypt.InvalidMacError,
|
|
memcache_crypt.unprotect_data,
|
|
keys, protected[:-1])
|
|
self.assertIsNone(memcache_crypt.unprotect_data(keys, None))
|
|
|
|
def test_no_pycrypt(self):
|
|
aes = memcache_crypt.AES
|
|
memcache_crypt.AES = None
|
|
self.assertRaises(memcache_crypt.CryptoUnavailableError,
|
|
memcache_crypt.encrypt_data, 'token', 'secret',
|
|
'data')
|
|
memcache_crypt.AES = aes
|