def init_certificate_template(config):
template = create_certificate_template(config)
col = DAO().get_collection("certificate_template")
if col.find_one():
_id = col.find_one()["_id"]
selector = {"_id": _id}
col.replace_one(selector, template)
else:
col.insert_one(template)
print(template)
def init_issuer_id(config):
issuer_id = generate_issuer_file(config)
col = DAO().get_collection("issuer_id")
if col.find_one():
_id = col.find_one()["_id"]
selector = {"_id": _id}
col.replace_one(selector, issuer_id)
if not col.find_one():
col.insert_one(issuer_id)
print(issuer_id)
def get(self, id):
'''
verify a certificate according to id
'''
cert_col = DAO().get_collection("certificates")
cert = cert_col.find_one({'id': URN_UUID_PREFIX + id}, {'_id': 0})
return verify_certificate_json(cert)
def init_revocation_list(config):
revocation_list = {}
revocation_list["@context"] = "https://w3id.org/openbadges/v2"
revocation_list[
"id"] = config.domain_name_prefix + config.revocation_list_path
revocation_list["type"] = "RevocationList"
revocation_list[
"issuer"] = config.domain_name_prefix + config.issuer_id_path
col = DAO().get_collection("revocation_list")
if col.find_one():
_id = col.find_one()["_id"]
selector = {"_id": _id}
col.update_one(selector, {"$set": revocation_list})
else:
revocation_list["revokedAssertions"] = []
col.insert_one(revocation_list)
print(revocation_list)
def post(self):
json_data = request.get_json(force=True)
# get recipient from the json_data
fields = {}
fields["identity"] = json_data['email']
fields["name"] = json_data['name']
recipient = Recipient(fields)
# get the template from db
template_col = DAO().get_collection('certificate_template')
template = template_col.find_one({}, {"_id": 0})
# get deep copy of the template as cert
cert = deepcopy(template)
# get the config
config = Config().get()
# call instantiate_assertion and instantiate_recipient
uid = str(uuid.uuid4())
issued_on = helpers.create_iso8601_tz()
instantiate_assertion(cert, uid, issued_on)
instantiate_recipient(cert, recipient,
config.additional_per_recipient_fields,
config.hash_emails)
# get the config
config = Config().get()
# post it to blockchain
# first instantiate handlers
chain = config.chain
if chain == Chain.ethereum_mainnet or chain == Chain.ethereum_ropsten:
from cert_issuer.blockchain_handlers import ethereum
certificate_batch_handler, transaction_handler, connector = ethereum.instantiate_blockchain_handlers(
config, False)
else:
from cert_issuer.blockchain_handlers import bitcoin
certificate_batch_handler, transaction_handler, connector = bitcoin.instantiate_blockchain_handlers(
config, False)
certificate_batch_handler.certificates_to_issue = [cert]
issuer = Issuer(certificate_batch_handler=certificate_batch_handler,
transaction_handler=transaction_handler,
max_retry=config.max_retry)
tx_id = issuer.issue(config.chain)
issued_cert = certificate_batch_handler.certificates_to_issue[0]
issued_cert_to_insert = deepcopy(issued_cert)
cert_col = DAO().get_collection("certificates")
cert_col.insert_one(issued_cert_to_insert)
return issued_cert
def get(self, id):
'''
gets a certificate
'''
cert_col = DAO().get_collection("certificates")
return cert_col.find_one({'id': URN_UUID_PREFIX + id}, {'_id': 0})
def get(self):
revocation_list_col = DAO().get_collection("revocation_list")
return revocation_list_col.find_one({}, {"_id": 0})
def get(self):
issuer_id_col = DAO().get_collection("issuer_id")
return issuer_id_col.find_one({}, {"_id": 0})