def test_trailing_line(self):
"""
Includes a line after the 'router-signature' entry.
"""
desc_text = get_hidden_service_descriptor(content = True) + b'\nhibernate 1'
self._expect_invalid_attr(desc_text)
def test_proceeding_line(self):
"""
Includes a line prior to the 'rendezvous-service-descriptor' entry.
"""
desc_text = b'hibernate 1\n' + get_hidden_service_descriptor(content = True)
self._expect_invalid_attr(desc_text)
def test_unrecognized_line(self):
"""
Includes unrecognized content in the descriptor.
"""
desc = get_hidden_service_descriptor({'pepperjack': 'is oh so tasty!'})
self.assertEqual(['pepperjack is oh so tasty!'], desc.get_unrecognized_lines())
def test_introduction_points_when_empty(self):
"""
It's valid to advertise zero introduciton points. I'm not clear if this
would mean an empty protocol-versions field or that it's omitted but either
are valid according to the spec.
"""
missing_field_desc = get_hidden_service_descriptor(exclude = ('introduction-points',))
self.assertEqual(None, missing_field_desc.introduction_points_encoded)
self.assertEqual([], missing_field_desc.introduction_points_auth)
self.assertEqual(None, missing_field_desc.introduction_points_content)
self.assertEqual([], missing_field_desc.introduction_points())
empty_field_desc = get_hidden_service_descriptor({'introduction-points': MESSAGE_BLOCK % ''})
self.assertEqual((MESSAGE_BLOCK % '').strip(), empty_field_desc.introduction_points_encoded)
self.assertEqual([], empty_field_desc.introduction_points_auth)
self.assertEqual(b'', empty_field_desc.introduction_points_content)
self.assertEqual([], empty_field_desc.introduction_points())
def test_invalid_version(self):
"""
Checks that our version field expects a numeric value.
"""
test_values = (
'',
'-10',
'hello',
)
for test_value in test_values:
desc_text = get_hidden_service_descriptor({'version': test_value}, content = True)
self._expect_invalid_attr(desc_text, 'version')
def test_introduction_points_when_not_base64(self):
"""
Checks the introduction-points field when the content isn't base64 encoded.
"""
test_values = (
MESSAGE_BLOCK % '12345',
MESSAGE_BLOCK % 'hello',
)
for test_value in test_values:
desc_text = get_hidden_service_descriptor({'introduction-points': test_value}, content = True)
desc = self._expect_invalid_attr(desc_text, 'introduction_points_encoded', test_value.strip())
self.assertEqual([], desc.introduction_points_auth)
self.assertEqual(None, desc.introduction_points_content)
self.assertEqual([], desc.introduction_points())
def test_minimal_hidden_service_descriptor(self):
"""
Basic sanity check that we can parse a hidden service descriptor with minimal attributes.
"""
desc = get_hidden_service_descriptor()
self.assertEqual('y3olqqblqw2gbh6phimfuiroechjjafa', desc.descriptor_id)
self.assertEqual(2, desc.version)
self.assertTrue(CRYPTO_BLOB in desc.permanent_key)
self.assertEqual('e24kgecavwsznj7gpbktqsiwgvngsf4e', desc.secret_id_part)
self.assertEqual(datetime.datetime(2015, 2, 23, 20, 0, 0), desc.published)
self.assertEqual([2, 3], desc.protocol_versions)
self.assertEqual('-----BEGIN MESSAGE-----\n-----END MESSAGE-----', desc.introduction_points_encoded)
self.assertEqual([], desc.introduction_points_auth)
self.assertEqual(b'', desc.introduction_points_content)
self.assertTrue(CRYPTO_BLOB in desc.signature)
self.assertEqual([], desc.introduction_points())
def test_invalid_protocol_versions(self):
"""
Checks that our protocol-versions field expects comma separated numeric
values.
"""
test_values = (
'',
'-10',
'hello',
'10,',
',10',
'10,-10',
'10,hello',
)
for test_value in test_values:
desc_text = get_hidden_service_descriptor({'protocol-versions': test_value}, content = True)
self._expect_invalid_attr(desc_text, 'protocol_versions', [])
def test_required_fields(self):
"""
Check that we require the mandatory fields.
"""
line_to_attr = {
'rendezvous-service-descriptor': 'descriptor_id',
'version': 'version',
'permanent-key': 'permanent_key',
'secret-id-part': 'secret_id_part',
'publication-time': 'published',
'introduction-points': 'introduction_points_encoded',
'protocol-versions': 'protocol_versions',
'signature': 'signature',
}
for line in REQUIRED_FIELDS:
desc_text = get_hidden_service_descriptor(content = True, exclude = (line,))
expected = [] if line == 'protocol-versions' else None
self._expect_invalid_attr(desc_text, line_to_attr[line], expected)