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import base64
from cryptography import x509
from cryptography.hazmat.primitives import hashes, serialization
from cryptography.hazmat.primitives.asymmetric import ec, rsa
from datetime import datetime, timedelta, timezone
from odoo.exceptions import UserError
from odoo.tests import TransactionCase, tagged
from odoo.tools import file_open
@tagged('post_install', '-at_install')
class TestKeysCertificates(TransactionCase):
@classmethod
def setUpClass(cls):
super().setUpClass()
cls.subject = cls.issuer = x509.Name([
x509.NameAttribute(x509.oid.NameOID.COUNTRY_NAME, "BE"),
x509.NameAttribute(x509.oid.NameOID.STATE_OR_PROVINCE_NAME, "Brabant wallon"),
x509.NameAttribute(x509.oid.NameOID.LOCALITY_NAME, "Grand Rosière"),
x509.NameAttribute(x509.oid.NameOID.ORGANIZATION_NAME, "Odoo S.A."),
x509.NameAttribute(x509.oid.NameOID.COMMON_NAME, "odoo.com"),
])
private_key = rsa.generate_private_key(public_exponent=65537, key_size=2048)
cls.test_key_1 = cls.env['certificate.key'].create({
'name': 'Test key',
'content': base64.b64encode(private_key.private_bytes(
encoding=serialization.Encoding.PEM,
format=serialization.PrivateFormat.PKCS8,
encryption_algorithm=serialization.NoEncryption()
)),
})
cls.certificate_1 = x509.CertificateBuilder().subject_name(
cls.subject
).issuer_name(
cls.issuer
).public_key(
private_key.public_key()
).serial_number(
x509.random_serial_number()
).not_valid_before(
datetime.now(timezone.utc) - timedelta(days=10)
).not_valid_after(
datetime.now(timezone.utc) + timedelta(days=10)
).add_extension(
x509.SubjectAlternativeName([x509.DNSName("localhost")]),
critical=False,
).sign(private_key, hashes.SHA256())
private_key = rsa.generate_private_key(public_exponent=65537, key_size=2048)
cls.test_key_2_private = cls.env['certificate.key'].create({
'name': 'Test key',
'content': base64.b64encode(private_key.private_bytes(
encoding=serialization.Encoding.PEM,
format=serialization.PrivateFormat.PKCS8,
encryption_algorithm=serialization.NoEncryption(),
)),
})
cls.test_key_2_public = cls.env['certificate.key'].create({
'name': 'Test key',
'content': base64.b64encode(private_key.public_key().public_bytes(
encoding=serialization.Encoding.PEM,
format=serialization.PublicFormat.SubjectPublicKeyInfo,
)),
})
def test_ec_key_generated(self):
private_key = self.env['certificate.key']._generate_ec_private_key(self.env.company)
private_key_obj = serialization.load_pem_private_key(base64.b64decode(private_key.pem_key), None)
self.assertTrue(isinstance(private_key_obj, ec.EllipticCurvePrivateKey))
def test_rsa_key_generated(self):
private_key = self.env['certificate.key']._generate_rsa_private_key(self.env.company)
private_key_obj = serialization.load_pem_private_key(base64.b64decode(private_key.pem_key), None)
self.assertTrue(isinstance(private_key_obj, rsa.RSAPrivateKey))
def test_key_loading_wrong_password(self):
correct_password = 'foobar'
wrong_password = 'barfoo'
content = file_open('certificate/tests/data/encrypted_private.key', 'rb').read()
key = self.env['certificate.key'].create({
'content': base64.b64encode(content),
'password': wrong_password,
})
self.assertEqual(key.loading_error, 'This key could not be loaded. Either its content or its password is erroneous.')
key.write({
'password': correct_password,
})
self.assertEqual(key.loading_error, '')
def test_der_certificate(self):
certificate = self.env['certificate.certificate'].create({
'name': 'Test DER Certificate',
'content': base64.b64encode(self.certificate_1.public_bytes(encoding=serialization.Encoding.DER)),
'private_key_id': self.test_key_1.id,
})
self.assertEqual(certificate.content_format, 'der')
def test_pem_certificate(self):
certificate = self.env['certificate.certificate'].create({
'name': 'Test PEM Certificate',
'content': base64.b64encode(self.certificate_1.public_bytes(encoding=serialization.Encoding.PEM)),
'private_key_id': self.test_key_1.id,
})
self.assertEqual(certificate.content_format, 'pem')
def test_pfx_certificate(self):
certificate = self.env['certificate.certificate'].create({
'name': 'Test PKCS12 Certificate',
'pkcs12_password': 'example',
'content': base64.b64encode(file_open('certificate/tests/data/cert.pfx', 'rb').read()),
})
self.assertEqual(certificate.content_format, 'pkcs12')
def test_is_valid(self):
private_key = serialization.load_pem_private_key(
base64.b64decode(self.test_key_1.pem_key),
None
)
old_certificate = x509.CertificateBuilder().subject_name(
self.subject
).issuer_name(
self.issuer
).public_key(
private_key.public_key()
).serial_number(
x509.random_serial_number()
).not_valid_before(
datetime.now(timezone.utc) - timedelta(days=10)
).not_valid_after(
datetime.now(timezone.utc) - timedelta(days=1)
).add_extension(
x509.SubjectAlternativeName([x509.DNSName("localhost")]),
critical=False,
).sign(private_key, hashes.SHA256())
expired_cert = self.env['certificate.certificate'].create({
'name': 'Test expired Certificate',
'content': base64.b64encode(old_certificate.public_bytes(encoding=serialization.Encoding.PEM)),
'private_key_id': self.test_key_1.id,
})
self.assertFalse(expired_cert.is_valid)
def test_keys_certificate_not_matching(self):
with self.assertRaises(UserError, msg="The certificate and private key are not compatible."):
self.env['certificate.certificate'].create({
'name': "Test PEM Certificate and key don't match",
'content': base64.b64encode(self.certificate_1.public_bytes(encoding=serialization.Encoding.PEM)),
'private_key_id': self.test_key_2_private.id,
})
with self.assertRaises(UserError, msg="The certificate and public key are not compatible."):
self.env['certificate.certificate'].create({
'name': "Test PEM Certificate and key don't match",
'content': base64.b64encode(self.certificate_1.public_bytes(encoding=serialization.Encoding.PEM)),
'public_key_id': self.test_key_2_public.id,
})
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