202 lines
8.3 KiB
Python
202 lines
8.3 KiB
Python
# 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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import errno
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import os
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import subprocess
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from unittest import mock
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import testresources
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from testtools import matchers
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from keystoneclient.common import cms
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from keystoneclient import exceptions
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from keystoneclient.tests.unit import client_fixtures
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from keystoneclient.tests.unit import utils
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class CMSTest(utils.TestCase, testresources.ResourcedTestCase):
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"""Unit tests for the keystoneclient.common.cms module."""
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resources = [('examples', client_fixtures.EXAMPLES_RESOURCE)]
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def __init__(self, *args, **kwargs):
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super(CMSTest, self).__init__(*args, **kwargs)
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process = subprocess.Popen(['openssl', 'version'],
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stdout=subprocess.PIPE)
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out, err = process.communicate()
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# Example output: 'OpenSSL 0.9.8za 5 Jun 2014'
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openssl_version = out.split()[1]
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if err or openssl_version.startswith(b'0'):
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raise Exception('Your version of OpenSSL is not supported. '
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'You will need to update it to 1.0 or later.')
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def _raise_OSError(*args):
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e = OSError()
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e.errno = errno.EPIPE
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raise e
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def test_cms_verify(self):
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self.assertRaises(exceptions.CertificateConfigError,
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cms.cms_verify,
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'data',
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'no_exist_cert_file',
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'no_exist_ca_file')
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def test_token_tocms_to_token(self):
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with open(os.path.join(client_fixtures.CMSDIR,
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'auth_token_scoped.pem')) as f:
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AUTH_TOKEN_SCOPED_CMS = f.read()
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self.assertEqual(cms.token_to_cms(self.examples.SIGNED_TOKEN_SCOPED),
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AUTH_TOKEN_SCOPED_CMS)
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tok = cms.cms_to_token(cms.token_to_cms(
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self.examples.SIGNED_TOKEN_SCOPED))
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self.assertEqual(tok, self.examples.SIGNED_TOKEN_SCOPED)
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def test_asn1_token(self):
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self.assertTrue(cms.is_asn1_token(self.examples.SIGNED_TOKEN_SCOPED))
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self.assertFalse(cms.is_asn1_token('FOOBAR'))
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def test_cms_sign_token_no_files(self):
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self.assertRaises(subprocess.CalledProcessError,
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cms.cms_sign_token,
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self.examples.TOKEN_SCOPED_DATA,
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'/no/such/file', '/no/such/key')
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def test_cms_sign_token_no_files_pkiz(self):
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self.assertRaises(subprocess.CalledProcessError,
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cms.pkiz_sign,
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self.examples.TOKEN_SCOPED_DATA,
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'/no/such/file', '/no/such/key')
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def test_cms_sign_token_success(self):
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self.assertTrue(
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cms.pkiz_sign(self.examples.TOKEN_SCOPED_DATA,
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self.examples.SIGNING_CERT_FILE,
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self.examples.SIGNING_KEY_FILE))
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def test_cms_verify_token_no_files(self):
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self.assertRaises(exceptions.CertificateConfigError,
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cms.cms_verify,
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self.examples.SIGNED_TOKEN_SCOPED,
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'/no/such/file', '/no/such/key')
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def test_cms_verify_token_no_oserror(self):
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with mock.patch('subprocess.Popen.communicate',
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new=self._raise_OSError):
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try:
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cms.cms_verify("x", '/no/such/file', '/no/such/key')
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except exceptions.CertificateConfigError as e:
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self.assertIn('/no/such/file', e.output)
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self.assertIn('Hit OSError ', e.output)
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else:
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self.fail('Expected exceptions.CertificateConfigError')
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def test_cms_verify_token_scoped(self):
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cms_content = cms.token_to_cms(self.examples.SIGNED_TOKEN_SCOPED)
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self.assertTrue(cms.cms_verify(cms_content,
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self.examples.SIGNING_CERT_FILE,
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self.examples.SIGNING_CA_FILE))
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def test_cms_verify_token_scoped_expired(self):
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cms_content = cms.token_to_cms(
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self.examples.SIGNED_TOKEN_SCOPED_EXPIRED)
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self.assertTrue(cms.cms_verify(cms_content,
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self.examples.SIGNING_CERT_FILE,
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self.examples.SIGNING_CA_FILE))
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def test_cms_verify_token_unscoped(self):
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cms_content = cms.token_to_cms(self.examples.SIGNED_TOKEN_UNSCOPED)
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self.assertTrue(cms.cms_verify(cms_content,
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self.examples.SIGNING_CERT_FILE,
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self.examples.SIGNING_CA_FILE))
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def test_cms_verify_token_v3_scoped(self):
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cms_content = cms.token_to_cms(self.examples.SIGNED_v3_TOKEN_SCOPED)
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self.assertTrue(cms.cms_verify(cms_content,
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self.examples.SIGNING_CERT_FILE,
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self.examples.SIGNING_CA_FILE))
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def test_cms_hash_token_no_token_id(self):
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token_id = None
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self.assertThat(cms.cms_hash_token(token_id), matchers.Is(None))
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def test_cms_hash_token_not_pki(self):
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"""If the token_id is not a PKI token then it returns the token_id."""
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token = 'something'
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self.assertFalse(cms.is_asn1_token(token))
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self.assertThat(cms.cms_hash_token(token), matchers.Is(token))
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def test_cms_hash_token_default_md5(self):
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"""The default hash method is md5."""
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token = self.examples.SIGNED_TOKEN_SCOPED
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token_id_default = cms.cms_hash_token(token)
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token_id_md5 = cms.cms_hash_token(token, mode='md5')
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self.assertThat(token_id_default, matchers.Equals(token_id_md5))
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# md5 hash is 32 chars.
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self.assertThat(token_id_default, matchers.HasLength(32))
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def test_cms_hash_token_sha256(self):
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"""Can also hash with sha256."""
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token = self.examples.SIGNED_TOKEN_SCOPED
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token_id = cms.cms_hash_token(token, mode='sha256')
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# sha256 hash is 64 chars.
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self.assertThat(token_id, matchers.HasLength(64))
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@mock.patch('keystoneclient.common.cms._check_files_accessible')
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def test_process_communicate_handle_oserror_epipe(self, files_acc_mock):
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process_mock = mock.Mock()
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process_mock.communicate = self._raise_OSError
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process_mock.stderr = mock.Mock()
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process_mock.stderr.read = mock.Mock(return_value='proc stderr')
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files_acc_mock.return_value = 1, ('file_path', 'fileerror')
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output, err, retcode = cms._process_communicate_handle_oserror(
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process_mock, '', [])
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self.assertEqual((output, retcode), ('', 1))
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self.assertIn('file_path', err)
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self.assertIn('fileerror', err)
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self.assertIn('proc stderr', err)
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@mock.patch('keystoneclient.common.cms._check_files_accessible')
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def test_process_communicate_handle_oserror_epipe_files_ok(
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self, files_acc_mock):
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process_mock = mock.Mock()
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process_mock.communicate = self._raise_OSError
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process_mock.stderr = mock.Mock()
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process_mock.stderr.read = mock.Mock(return_value='proc stderr')
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files_acc_mock.return_value = -1, None
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output, err, retcode = cms._process_communicate_handle_oserror(
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process_mock, '', [])
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self.assertEqual((output, retcode), ('', -1))
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self.assertIn('proc stderr', err)
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def test_process_communicate_handle_oserror_no_exception(self):
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process_mock = mock.Mock()
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process_mock.communicate.return_value = 'out', 'err'
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process_mock.poll.return_value = 0
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output, err, retcode = cms._process_communicate_handle_oserror(
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process_mock, '', [])
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self.assertEqual(output, 'out')
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self.assertEqual(err, 'err')
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self.assertEqual(retcode, 0)
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def load_tests(loader, tests, pattern):
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return testresources.OptimisingTestSuite(tests)
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