diff options
Diffstat (limited to 'tests/test_x509_revokedcertbuilder.py')
| -rw-r--r-- | tests/test_x509_revokedcertbuilder.py | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/tests/test_x509_revokedcertbuilder.py b/tests/test_x509_revokedcertbuilder.py new file mode 100644 index 00000000..5aa90630 --- /dev/null +++ b/tests/test_x509_revokedcertbuilder.py @@ -0,0 +1,160 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import absolute_import, division, print_function + +import datetime + +import pytest + +from cryptography import x509 +from cryptography.hazmat.backends.interfaces import X509Backend + + +class TestRevokedCertificateBuilder(object): + def test_serial_number_must_be_integer(self): + with pytest.raises(TypeError): + x509.RevokedCertificateBuilder().serial_number("notanx509name") + + def test_serial_number_must_be_non_negative(self): + with pytest.raises(ValueError): + x509.RevokedCertificateBuilder().serial_number(-1) + + def test_serial_number_must_be_less_than_160_bits_long(self): + with pytest.raises(ValueError): + # 2 raised to the 160th power is actually 161 bits + x509.RevokedCertificateBuilder().serial_number(2 ** 160) + + def test_set_serial_number_twice(self): + builder = x509.RevokedCertificateBuilder().serial_number(3) + with pytest.raises(ValueError): + builder.serial_number(4) + + def test_revocation_date_invalid(self): + with pytest.raises(TypeError): + x509.RevokedCertificateBuilder().revocation_date("notadatetime") + + def test_revocation_date_before_unix_epoch(self): + with pytest.raises(ValueError): + x509.RevokedCertificateBuilder().revocation_date( + datetime.datetime(1960, 8, 10) + ) + + def test_set_revocation_date_twice(self): + builder = x509.RevokedCertificateBuilder().revocation_date( + datetime.datetime(2002, 1, 1, 12, 1) + ) + with pytest.raises(ValueError): + builder.revocation_date(datetime.datetime(2002, 1, 1, 12, 1)) + + def test_add_extension_checks_for_duplicates(self): + builder = x509.RevokedCertificateBuilder().add_extension( + x509.CRLReason(x509.ReasonFlags.ca_compromise), False + ) + + with pytest.raises(ValueError): + builder.add_extension( + x509.CRLReason(x509.ReasonFlags.ca_compromise), False + ) + + def test_add_invalid_extension(self): + with pytest.raises(TypeError): + x509.RevokedCertificateBuilder().add_extension( + "notanextension", False + ) + + @pytest.mark.requires_backend_interface(interface=X509Backend) + def test_no_serial_number(self, backend): + builder = x509.RevokedCertificateBuilder().revocation_date( + datetime.datetime(2002, 1, 1, 12, 1) + ) + + with pytest.raises(ValueError): + builder.build(backend) + + @pytest.mark.requires_backend_interface(interface=X509Backend) + def test_no_revocation_date(self, backend): + builder = x509.RevokedCertificateBuilder().serial_number(3) + + with pytest.raises(ValueError): + builder.build(backend) + + @pytest.mark.requires_backend_interface(interface=X509Backend) + def test_create_revoked(self, backend): + serial_number = 333 + revocation_date = datetime.datetime(2002, 1, 1, 12, 1) + builder = x509.RevokedCertificateBuilder().serial_number( + serial_number + ).revocation_date( + revocation_date + ) + + revoked_certificate = builder.build(backend) + assert revoked_certificate.serial_number == serial_number + assert revoked_certificate.revocation_date == revocation_date + assert len(revoked_certificate.extensions) == 0 + + @pytest.mark.parametrize( + "extension", + [ + x509.InvalidityDate(datetime.datetime(2015, 1, 1, 0, 0)), + x509.CRLReason(x509.ReasonFlags.ca_compromise), + x509.CertificateIssuer([ + x509.DNSName(u"cryptography.io"), + ]) + ] + ) + @pytest.mark.requires_backend_interface(interface=X509Backend) + def test_add_extensions(self, backend, extension): + serial_number = 333 + revocation_date = datetime.datetime(2002, 1, 1, 12, 1) + builder = x509.RevokedCertificateBuilder().serial_number( + serial_number + ).revocation_date( + revocation_date + ).add_extension( + extension, False + ) + + revoked_certificate = builder.build(backend) + assert revoked_certificate.serial_number == serial_number + assert revoked_certificate.revocation_date == revocation_date + assert len(revoked_certificate.extensions) == 1 + ext = revoked_certificate.extensions.get_extension_for_class( + type(extension) + ) + assert ext.critical is False + assert ext.value == extension + + @pytest.mark.requires_backend_interface(interface=X509Backend) + def test_add_multiple_extensions(self, backend): + serial_number = 333 + revocation_date = datetime.datetime(2002, 1, 1, 12, 1) + invalidity_date = x509.InvalidityDate( + datetime.datetime(2015, 1, 1, 0, 0) + ) + certificate_issuer = x509.CertificateIssuer([ + x509.DNSName(u"cryptography.io"), + ]) + crl_reason = x509.CRLReason(x509.ReasonFlags.aa_compromise) + builder = x509.RevokedCertificateBuilder().serial_number( + serial_number + ).revocation_date( + revocation_date + ).add_extension( + invalidity_date, True + ).add_extension( + crl_reason, True + ).add_extension( + certificate_issuer, True + ) + + revoked_certificate = builder.build(backend) + assert len(revoked_certificate.extensions) == 3 + for ext_data in [invalidity_date, certificate_issuer, crl_reason]: + ext = revoked_certificate.extensions.get_extension_for_class( + type(ext_data) + ) + assert ext.critical is True + assert ext.value == ext_data |