def test_descriptor_creation(self):
"""
HiddenServiceDescriptorV3 creation.
"""
# minimal descriptor
self.assertTrue(HiddenServiceDescriptorV3.content().startswith(
b'hs-descriptor 3\ndescriptor-lifetime 180\n'))
self.assertEqual(180, HiddenServiceDescriptorV3.create().lifetime)
# specify the parameters
desc = HiddenServiceDescriptorV3.create(
{
'hs-descriptor': '4',
'descriptor-lifetime': '123',
'descriptor-signing-key-cert':
'\n-----BEGIN ED25519 CERT-----\nmalformed block\n-----END ED25519 CERT-----',
'revision-counter': '5',
'superencrypted':
'\n-----BEGIN MESSAGE-----\nmalformed block\n-----END MESSAGE-----',
'signature': 'abcde',
},
validate=False)
self.assertEqual(4, desc.version)
self.assertEqual(123, desc.lifetime)
self.assertEqual(
None, desc.signing_cert
) # malformed cert dropped because validation is disabled
self.assertEqual(5, desc.revision_counter)
self.assertEqual(
'-----BEGIN MESSAGE-----\nmalformed block\n-----END MESSAGE-----',
desc.superencrypted)
self.assertEqual('abcde', desc.signature)
# include introduction points
from cryptography.hazmat.primitives.asymmetric.ed25519 import Ed25519PrivateKey
identity_key = Ed25519PrivateKey.generate()
onion_address = HiddenServiceDescriptorV3.address_from_identity_key(
identity_key)
desc = HiddenServiceDescriptorV3.create(
identity_key=identity_key,
inner_layer=InnerLayer.create(introduction_points=[
IntroductionPointV3.create_for_address('1.1.1.1', 9001),
IntroductionPointV3.create_for_address('2.2.2.2', 9001),
IntroductionPointV3.create_for_address('3.3.3.3', 9001),
]),
)
inner_layer = desc.decrypt(onion_address)
self.assertEqual(3, len(inner_layer.introduction_points))
self.assertEqual(
'1.1.1.1',
inner_layer.introduction_points[0].link_specifiers[0].address)
def test_required_fields(self):
"""
Check that we require the mandatory fields.
"""
line_to_attr = {
'hs-descriptor': 'version',
'descriptor-lifetime': 'lifetime',
'descriptor-signing-key-cert': 'signing_cert',
'revision-counter': 'revision_counter',
'superencrypted': 'superencrypted',
'signature': 'signature',
}
for line in stem.descriptor.hidden_service.REQUIRED_V3_FIELDS:
desc_text = HiddenServiceDescriptorV3.content(exclude = (line,))
expect_invalid_attr_for_text(self, desc_text, line_to_attr[line], None)