def test_create_presentation_from_json(self):
presentation_json = {
"request_presentations~attach": [{
"@id": "libindy-request-presentation-0",
"data": {
"base64":
"eyJuYW1lIjogIkJhc2ljIFByb29mIiwgInZlcnNpb24iOiAiMS4wIiwgInJlcXVlc3RlZF9hdHRyaWJ1dGVzIjogeyI3OTQ4YTU1Ni0zMTM3LTRlMzgtOWVjMi0xMTk1NGI5NzY1MmEiOiB7Im5hbWUiOiAiZW1haWwiLCAicmVzdHJpY3Rpb25zIjogW119fSwgInJlcXVlc3RlZF9wcmVkaWNhdGVzIjoge30sICJub25jZSI6ICI1MjMzMjczMDc0MjI1NTYxMTQ2MzA0NDgifQ=="
},
"mime-type": "application/json",
}],
"~service": {
"serviceEndpoint": "endpoint",
"recipientKeys": ["verkey"],
"routingKeys": None,
},
"comment":
None,
"@type":
"did:sov:BzCbsNYhMrjHiqZDTUASHg;spec/present-proof/1.0/request-presentation",
"@id":
"id",
}
presentation = PresentationFactory.from_json(presentation_json)
assert presentation.to_json() == presentation_json
def authorization(pres_req_conf_id: str, request_parameters: dict):
aca_client = ACAClient(settings.ACA_PY_URL, settings.ACA_PY_TRANSPORT_URL)
presentation_configuration = PresentationConfigurations.objects.get(
id=pres_req_conf_id)
response = aca_client.create_proof_request(
presentation_configuration.to_json())
public_did = aca_client.get_public_did()
endpoint = aca_client.get_endpoint_url()
presentation_request = PresentationFactory.from_params(
presentation_request=response.get("presentation_request"),
p_id=response.get("thread_id"),
verkey=[public_did.get("verkey")],
endpoint=endpoint,
).to_json()
presentation_request_id = response["presentation_exchange_id"]
session = AuthSession.objects.create(
presentation_record_id=pres_req_conf_id,
presentation_request_id=presentation_request_id,
presentation_request=presentation_request,
request_parameters=request_parameters,
expired_timestamp=timezone.now() + timedelta(minutes=60),
)
url, b64_presentation = create_short_url(presentation_request)
mapped_url = MappedUrl.objects.create(url=url, session=session)
short_url = mapped_url.get_short_url()
return short_url, str(
session.pk), presentation_request_id, b64_presentation
def extract_claims(session: AuthSession):
IDENTITY_PARAM = "sub"
presentation_configuration = PresentationConfigurations.objects.filter(
id=session.presentation_record_id).last()
if not presentation_configuration:
raise Exception(
"Presenstation configuraton not found with id: {session.presentation_record_id}"
)
nonce = session.request_parameters.get("nonce")
claims = {
"pres_req_conf_id": session.presentation_request_id,
"acr": "vc_authn"
}
if nonce:
claims.update({"nonce": nonce})
presentation_factory = PresentationFactory.from_json(
session.presentation_request)
requested_parameters = presentation_factory.presentation.presentation
if requested_parameters:
for requested_attr in requested_parameters:
for k, v in requested_attr.data.get("requested_attributes",
{}).items():
attr = session.presentation.get("revealed_attrs", {}).get(k)
if attr:
attr_name = v.get("name")
claims.update({attr_name: attr.get("raw", "")})
if (presentation_configuration
and presentation_configuration.subject_identifier
== attr_name):
claims.update({IDENTITY_PARAM: attr.get("raw", "")})
if IDENTITY_PARAM not in claims.keys():
claims.update({IDENTITY_PARAM: str(uuid.uuid4())})
claims.update({"iat": timezone.now()})
return claims
def test_create_presentation_from_params(self):
presentation = PresentationFactory.from_params(
presentation_request={
"name": "Basic Proof",
"version": "1.0",
"requested_attributes": {
"7948a556-3137-4e38-9ec2-11954b97652a": {
"name": "emails",
"restrictions": [],
}
},
"requested_predicates": {},
"nonce": "523327307422556114630448",
},
p_id="id",
verkey=["verkey"],
endpoint="endpoint",
)
assert presentation.to_json() == {
"request_presentations~attach": [{
"@id": "libindy-request-presentation-0",
"data": {
"base64":
"eyJuYW1lIjogIkJhc2ljIFByb29mIiwgInZlcnNpb24iOiAiMS4wIiwgInJlcXVlc3RlZF9hdHRyaWJ1dGVzIjogeyI3OTQ4YTU1Ni0zMTM3LTRlMzgtOWVjMi0xMTk1NGI5NzY1MmEiOiB7Im5hbWUiOiAiZW1haWxzIiwgInJlc3RyaWN0aW9ucyI6IFtdfX0sICJyZXF1ZXN0ZWRfcHJlZGljYXRlcyI6IHt9LCAibm9uY2UiOiAiNTIzMzI3MzA3NDIyNTU2MTE0NjMwNDQ4In0="
},
"mime-type": "application/json",
}],
"~service": {
"serviceEndpoint": "endpoint",
"recipientKeys": ["verkey"],
"routingKeys": None,
},
"comment":
None,
"@type":
"did:sov:BzCbsNYhMrjHiqZDTUASHg;spec/present-proof/1.0/request-presentation",
"@id":
"id",
}
def test_create_presentation_from_params(self):
presentation = PresentationFactory.from_params(
presentation_request={
"name": "Basic Proof",
"version": "1.0",
"requested_attributes": {
"7948a556-3137-4e38-9ec2-11954b97652a": {
"name": "email",
"restrictions": [],
}
},
"requested_predicates": {},
"nonce": "523327307422556114630448",
},
p_id="id",
verkey=["verkey"],
endpoint="endpoint",
)
assert presentation.to_json() == {
"request_presentations~attach": [{
"@id": "libindy-request-presentation-0",
"data": {
"base64":
"eyJuYW1lIjogIkJhc2ljIFByb29mIiwgInZlcnNpb24iOiAiMS4wIiwgInJlcXVlc3RlZF9hdHRyaWJ1dGVzIjogeyI3OTQ4YTU1Ni0zMTM3LTRlMzgtOWVjMi0xMTk1NGI5NzY1MmEiOiB7Im5hbWUiOiAiZW1haWwiLCAicmVzdHJpY3Rpb25zIjogW119fSwgInJlcXVlc3RlZF9wcmVkaWNhdGVzIjoge30sICJub25jZSI6ICI1MjMzMjczMDc0MjI1NTYxMTQ2MzA0NDgifQ=="
},
"mime-type": "application/json",
}],
"~service": {
"serviceEndpoint": "endpoint",
"recipientKeys": ["verkey"],
"routingKeys": None,
},
"comment":
None,
"@type":
"did:sov:BzCbsNYhMrjHiqZDTUASHg;spec/present-proof/1.0/request-presentation",
"@id":
"id",
}
async def authorization_async(pres_req_conf_id: str, request_parameters: dict):
# Based on the aca-py agent you wish to control
# print('AGENT CONNECT')
agent_controller = AriesAgentController(admin_url=settings.ACA_PY_URL)
# print('ACAPY AGENT CONNECTED')
# print('WEBHOOOKS STARTING')
# await asyncio.gather(agent_controller.init_webhook_server(webhook_host=WEBHOOK_HOST, webhook_port=WEBHOOK_PORT, webhook_base=WEBHOOK_BASE))
# print('WEBHOOOKS STARTED')
presentation_configuration = await getPresentationConfig(pres_req_conf_id)
print('PRESENTATION CONFIG: ', presentation_configuration)
# response = await agent_controller.proofs.create_request(presentation_configuration.to_json())
response = await asyncio.gather(
agent_controller.proofs.create_request(
presentation_configuration.to_json()))
response = response[0]
print('PROOF CREATE: ', response)
# TODO - the current DID of the Agent is already ledgered on Stagingnet
# This creates a scenario where the endpoint being fetched is wrong
# Need to update the code so that new DIDs can be ledgered to stagingnet together with endpoints
public_did = await asyncio.gather(agent_controller.wallet.get_public_did())
public_did = public_did[0]['result']
print('PUBLIC DID: ', public_did)
endpoint = await asyncio.gather(
agent_controller.ledger.get_did_endpoint(public_did['did']))
endpoint = endpoint[0]['endpoint']
print('ENDPOINT: ', endpoint)
# TODO - this will wail due to no TAA accepted on ledger
TAA_response = await agent_controller.ledger.get_taa()
TAA = TAA_response['result']['taa_record']
TAA['mechanism'] = "service_agreement"
# print(TAA)
TAA_accept = await agent_controller.ledger.accept_taa(TAA)
## Will return {} if successful
print(TAA_accept)
await asyncio.gather(
agent_controller.wallet.set_did_endpoint(public_did['did'],
settings.ACA_PY_TRANSPORT_URL,
'Endpoint'))
endpoint = await asyncio.gather(
agent_controller.ledger.get_did_endpoint(public_did['did']))
endpoint = endpoint[0]['endpoint']
print('ENDPOINT ', endpoint)
presentation_request = PresentationFactory.from_params(
presentation_request=response.get("presentation_request"),
p_id=response.get("thread_id"),
verkey=[public_did.get("verkey")],
endpoint=endpoint,
).to_json()
print('PROOF REQUEST: ', presentation_request)
presentation_request_id = response["presentation_exchange_id"]
url, b64_presentation = create_short_url(presentation_request)
print(url)
session, mapped_url, short_url = await createSession(
pres_req_conf_id, presentation_request_id, presentation_request,
request_parameters, url)
print('SESSION ', session)
print('sessionpk: ', str(session.pk))
print('mapped_url: ', mapped_url)
print('short_url: ', short_url)
print('presx_id: ', presentation_request_id)
print('b64 presx: ', b64_presentation)
await agent_controller.terminate()
return short_url, str(
session.pk), presentation_request_id, b64_presentation