def create_certificate_template(config):
certificate = create_certificate_section(config)
verify = create_verification_section(config)
assertion = create_assertion_section(config)
recipient = create_recipient_section(config)
template_dir = config.template_dir
if not os.path.isabs(template_dir):
template_dir = os.path.join(config.abs_data_dir, template_dir)
template_file_name = config.template_file_name
raw_json = {
'@context': 'https://w3id.org/blockcerts/v1',
'type': 'CertificateDocument',
'recipient': recipient,
'assertion': assertion,
'certificate': certificate,
'verify': verify
}
if config.additional_global_fields:
for field in config.additional_global_fields:
raw_json = jsonpath_helpers.set_field(raw_json, field['path'], field['value'])
if config.additional_per_recipient_fields:
for field in config.additional_per_recipient_fields:
raw_json = jsonpath_helpers.set_field(raw_json, field['path'], field['value'])
template_path = os.path.join(config.abs_data_dir, template_dir, template_file_name)
with open(template_path, 'w') as cert_template:
json.dump(raw_json, cert_template)
return raw_json
def instantiate_recipient(config, cert, recipient):
cert['recipient']['givenName'] = recipient.given_name
cert['recipient']['familyName'] = recipient.family_name
cert['recipient']['publicKey'] = recipient.pubkey
if config.hash_emails:
salt = helpers.encode(os.urandom(16))
cert['recipient']['salt'] = salt
cert['recipient']['identity'] = hash_and_salt_email_address(
recipient.identity, salt)
else:
cert['recipient']['identity'] = recipient.identity
if config.additional_per_recipient_fields:
if not recipient.additional_fields:
raise Exception(
'expected additional recipient fields in the csv file but none found'
)
for field in config.additional_per_recipient_fields:
cert = jsonpath_helpers.set_field(
cert, field['path'],
recipient.additional_fields[field['csv_column']])
else:
if recipient.additional_fields:
# throw an exception on this in case it's a user error. We may decide to remove this if it's a nuisance
raise Exception(
'there are fields in the csv file that are not expected by the additional_per_recipient_fields configuration'
)
def instantiate_recipient(config, cert, recipient):
if config.hash_emails:
salt = helpers.encode(os.urandom(16))
cert['recipient']['hashed'] = True
cert['recipient']['salt'] = salt
cert['recipient']['identity'] = hash_and_salt_email_address(
recipient.identity, salt)
else:
cert['recipient']['identity'] = recipient.identity
cert['recipient']['hashed'] = False
profile_field = scope_name('recipientProfile')
cert[profile_field] = {}
cert[profile_field]['type'] = ['RecipientProfile', 'Extension']
cert[profile_field]['name'] = recipient.name
cert[profile_field][
'publicKey'] = 'ecdsa-koblitz-pubkey:' + recipient.pubkey
if config.additional_per_recipient_fields:
if not recipient.additional_fields:
raise Exception(
'expected additional recipient fields in the csv file but none found'
)
for field in config.additional_per_recipient_fields:
cert = jsonpath_helpers.set_field(
cert, field['path'],
recipient.additional_fields[field['csv_column']])
else:
if recipient.additional_fields:
# throw an exception on this in case it's a user error. We may decide to remove this if it's a nuisance
raise Exception(
'there are fields in the csv file that are not expected by the additional_per_recipient_fields configuration'
)
def create_certificate_template(config):
if not config.badge_id:
badge_uuid = str(uuid.uuid4())
print('Generated badge id {0}'.format(badge_uuid))
config.badge_id = badge_uuid
badge = create_badge_section(config)
verification = create_verification_section(config)
assertion = create_assertion_section(config)
recipient = create_recipient_section(config)
recipient_profile = create_recipient_profile_section()
template_dir = config.template_dir
if not os.path.isabs(template_dir):
template_dir = os.path.join(config.abs_data_dir, template_dir)
template_file_name = config.template_file_name
assertion['recipient'] = recipient
assertion[scope_name('recipientProfile')] = recipient_profile
assertion['badge'] = badge
assertion['verification'] = verification
if config.additional_global_fields:
for field in config.additional_global_fields:
assertion = jsonpath_helpers.set_field(assertion, field['path'],
field['value'])
if config.additional_per_recipient_fields:
for field in config.additional_per_recipient_fields:
assertion = jsonpath_helpers.set_field(assertion, field['path'],
field['value'])
template_path = os.path.join(config.abs_data_dir, template_dir,
template_file_name)
print('Writing template to ' + template_path)
with open(template_path, 'w') as cert_template:
json.dump(assertion, cert_template)
return assertion