def validate_certificate(self, certificate_metadata):
with open(certificate_metadata.unsigned_cert_file_name) as cert:
certificate_json = json.load(cert)
# Both tests raise exception on failure
# 1. json schema validation
validate_v2(certificate_json)
# 2. detect if there are any unmapped fields
normalize_jsonld(certificate_json, detect_unmapped_fields=True)
def do_execute(self):
try:
normalized = normalize_jsonld(self.content_to_verify,
detect_unmapped_fields=self.detect_unmapped_fields)
local_hash = hash_normalized(normalized)
cert_hashes_match = hashes_match(local_hash, self.expected_hash)
return cert_hashes_match
except BlockcertValidationError:
logging.error('Certificate has been modified', exc_info=True)
return False
def test_v2_preloaded_loader(self):
with open('../examples/2.0-alpha/sample_valid.json') as data_f:
certificate = json.load(data_f)
normalize_jsonld(certificate, detect_unmapped_fields=True)
def get_byte_array_to_issue(self, certificate_json):
normalized = normalize_jsonld(certificate_json, detect_unmapped_fields=False)
return normalized.encode('utf-8')
def test_v2_unmapped_fields(self):
with self.assertRaises(BlockcertValidationError):
with open('../examples/2.0-alpha/tampered_unmapped_fields.json') as data_f:
certificate = json.load(data_f)
normalize_jsonld(certificate, detect_unmapped_fields=True)
def test_v2_1_unmapped_fields_with_vocab(self):
with open('../examples/2.1/tampered_unmapped_fields_vocab.json') as data_f:
certificate = json.load(data_f)
normalize_jsonld(certificate, detect_unmapped_fields=True)
def get_byte_array_to_issue(self, certificate_json):
normalized = normalize_jsonld(certificate_json, detect_unmapped_fields=False)
return normalized.encode('utf-8')
def get_byte_array_to_issue(self, certificate_metadata):
certificate_json = certificate_metadata.unsigned_cert
normalized = normalize_jsonld(certificate_json,
detect_unmapped_fields=False)
return normalized.encode('utf-8')
def test_v3_alpha_preloaded_loader(self):
with open(
'../examples/3.0-alpha/bbba8553-8ec1-445f-82c9-a57251dd731c.json'
) as data_f:
certificate = json.load(data_f)
normalize_jsonld(certificate, detect_unmapped_fields=True)
def _create_cert_generator(self) -> Generator:
"""Return a generator of jsonld-normalized unsigned certs."""
for uid, cert in self.unsigned_certs.items():
normalized = normalize_jsonld(cert, detect_unmapped_fields=False)
yield normalized.encode('utf-8')
