octavia/octavia/tests/unit/certificates/generator/test_local.py
melissaml 2b8b202689 Fix a typo
Removed redundant 'the'

Change-Id: I815548ae6c2bbccef5cf8b500c84b35104e5fdc5
2017-01-05 00:18:52 +08:00

139 lines
5.6 KiB
Python

# Copyright 2014 Rackspace US, Inc
#
# 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 datetime
from cryptography import exceptions as crypto_exceptions
from cryptography.hazmat import backends
from cryptography.hazmat.primitives import hashes
from cryptography.hazmat.primitives import serialization
from cryptography import x509
import octavia.certificates.generator.local as local_cert_gen
from octavia.tests.unit.certificates.generator import local_csr
class TestLocalGenerator(local_csr.BaseLocalCSRTestCase):
def setUp(self):
super(TestLocalGenerator, self).setUp()
self.signing_digest = "sha256"
# Setup CA data
ca_cert = x509.CertificateBuilder()
valid_from_datetime = datetime.datetime.utcnow()
valid_until_datetime = (datetime.datetime.utcnow() +
datetime.timedelta(
seconds=2 * 365 * 24 * 60 * 60))
ca_cert = ca_cert.not_valid_before(valid_from_datetime)
ca_cert = ca_cert.not_valid_after(valid_until_datetime)
ca_cert = ca_cert.serial_number(1)
subject_name = x509.Name([
x509.NameAttribute(x509.oid.NameOID.COUNTRY_NAME, u"US"),
x509.NameAttribute(x509.oid.NameOID.STATE_OR_PROVINCE_NAME,
u"Oregon"),
x509.NameAttribute(x509.oid.NameOID.LOCALITY_NAME, u"Springfield"),
x509.NameAttribute(x509.oid.NameOID.ORGANIZATION_NAME,
u"Springfield Nuclear Power Plant"),
x509.NameAttribute(x509.oid.NameOID.COMMON_NAME, u"maggie1"),
])
ca_cert = ca_cert.subject_name(subject_name)
ca_cert = ca_cert.issuer_name(subject_name)
ca_cert = ca_cert.public_key(self.ca_key.public_key())
signed_cert = ca_cert.sign(private_key=self.ca_key,
algorithm=hashes.SHA256(),
backend=backends.default_backend())
self.ca_certificate = signed_cert.public_bytes(
encoding=serialization.Encoding.PEM)
self.cert_generator = local_cert_gen.LocalCertGenerator
def test_sign_cert(self):
# Attempt sign a cert
signed_cert = self.cert_generator.sign_cert(
csr=self.certificate_signing_request,
validity=2 * 365 * 24 * 60 * 60,
ca_cert=self.ca_certificate,
ca_key=self.ca_private_key,
ca_key_pass=self.ca_private_key_passphrase,
ca_digest=self.signing_digest
)
self.assertIn("-----BEGIN CERTIFICATE-----",
signed_cert.decode('ascii'))
# Load the cert for specific tests
cert = x509.load_pem_x509_certificate(
data=signed_cert, backend=backends.default_backend())
# Make sure expiry time is accurate
should_expire = (datetime.datetime.utcnow() +
datetime.timedelta(seconds=2 * 365 * 24 * 60 * 60))
diff = should_expire - cert.not_valid_after
self.assertTrue(diff < datetime.timedelta(seconds=10))
# Make sure this is a version 3 X509.
self.assertEqual('v3', cert.version.name)
# Make sure this cert is marked as Server and Client Cert via the
# extended Key Usage extension
self.assertIn(x509.oid.ExtendedKeyUsageOID.SERVER_AUTH,
cert.extensions.get_extension_for_class(
x509.ExtendedKeyUsage).value._usages)
self.assertIn(x509.oid.ExtendedKeyUsageOID.CLIENT_AUTH,
cert.extensions.get_extension_for_class(
x509.ExtendedKeyUsage).value._usages)
# Make sure this cert can't sign other certs
self.assertFalse(cert.extensions.get_extension_for_class(
x509.BasicConstraints).value.ca)
def test_sign_cert_invalid_algorithm(self):
self.assertRaises(
crypto_exceptions.UnsupportedAlgorithm,
self.cert_generator.sign_cert,
csr=self.certificate_signing_request,
validity=2 * 365 * 24 * 60 * 60,
ca_cert=self.ca_certificate,
ca_key=self.ca_private_key,
ca_key_pass=self.ca_private_key_passphrase,
ca_digest='not_an_algorithm'
)
def test_generate_cert_key_pair(self):
cn = 'testCN'
bit_length = 512
# Attempt to generate a cert/key pair
cert_object = self.cert_generator.generate_cert_key_pair(
cn=cn,
validity=2 * 365 * 24 * 60 * 60,
bit_length=bit_length,
passphrase=self.ca_private_key_passphrase,
ca_cert=self.ca_certificate,
ca_key=self.ca_private_key,
ca_key_pass=self.ca_private_key_passphrase
)
# Validate that the cert and key are loadable
cert = x509.load_pem_x509_certificate(
data=cert_object.certificate, backend=backends.default_backend())
self.assertIsNotNone(cert)
key = serialization.load_pem_private_key(
data=cert_object.private_key,
password=cert_object.private_key_passphrase,
backend=backends.default_backend())
self.assertIsNotNone(key)