def directSubmitWorkOrder():
input = json.loads(request.data)
work_order_id = input['workOrder_id']
worker_id = input['worker_id']
session_key = utility.generate_key()
session_iv = utility.generate_iv()
# This is config file implementaion
conffiles = ['tcs_config.toml']
confpaths = ['.', TCFHOME + '/' + 'config']
try:
config = pconfig.parse_configuration_files(conffiles, confpaths)
json.dumps(config, indent=4)
except pconfig.ConfigurationException as e:
logger.error(str(e))
sys.exit(-1)
# host = "tcp://localhost:"
urlString = config.get('Listener')['zmq_url'] \
+ config.get('Listener')['zmq_port']
logging.info(urlString)
# This function fetch a worker from enclave
worker_obj = fetchWorkerObj(worker_id)
# This function creates a workOrder Request
createWorkOrder(input, session_key, session_iv)
# This function evaluate the workOrder request
replymessage = evaluateWorkorder(work_order_id, urlString)
# This functions submits result to the blockchain in case of any violations
replyResult = storeResultBlockchain(replymessage, worker_obj,
session_key, session_iv, input)
return replyResult
def Main(args=None):
ParseCommandLine(args)
config["Logging"] = {"LogFile": "__screen__", "LogLevel": "INFO"}
plogger.setup_loggers(config.get("Logging", {}))
sys.stdout = plogger.stream_to_logger(logging.getLogger("STDOUT"),
logging.DEBUG)
sys.stderr = plogger.stream_to_logger(logging.getLogger("STDERR"),
logging.WARN)
logger.info("***************** AVALON *****************")
# Connect to registry list and retrieve registry
if not off_chain:
registry_list_instance = direct_jrpc.get_worker_registry_list_instance(
)
# Lookup returns tuple, first element is number of registries and
# second is element is lookup tag and
# third is list of organization ids.
registry_count, lookup_tag, registry_list = \
registry_list_instance.registry_lookup()
logger.info("\n Registry lookup response: registry count: {} " +
"lookup tag: {} registry list: {}\n".format(
registry_count, lookup_tag, registry_list))
if (registry_count == 0):
logger.warn("No registries found")
sys.exit(1)
# Retrieve the first registry details.
registry_retrieve_result = registry_list_instance.registry_retrieve(
registry_list[0])
logger.info("\n Registry retrieve response: {}\n".format(
registry_retrieve_result))
config["tcf"]["json_rpc_uri"] = registry_retrieve_result[0]
# Prepare worker
req_id = 31
global worker_id
worker_registry_instance = direct_jrpc.get_worker_registry_instance()
if not worker_id:
worker_lookup_result = worker_registry_instance.worker_lookup(
worker_type=WorkerType.TEE_SGX, id=req_id)
logger.info("\n Worker lookup response: {}\n".format(
json.dumps(worker_lookup_result, indent=4)))
if "result" in worker_lookup_result and \
"ids" in worker_lookup_result["result"].keys():
if worker_lookup_result["result"]["totalCount"] != 0:
worker_id = worker_lookup_result["result"]["ids"][0]
else:
logger.error("ERROR: No workers found")
sys.exit(1)
else:
logger.error("ERROR: Failed to lookup worker")
sys.exit(1)
req_id += 1
worker_retrieve_result = worker_registry_instance.worker_retrieve(
worker_id, req_id)
logger.info("\n Worker retrieve response: {}\n".format(
json.dumps(worker_retrieve_result, indent=4)))
worker_obj.load_worker(worker_retrieve_result)
logger.info(
"**********Worker details Updated with Worker ID" + "*********\n%s\n",
worker_id)
# Convert workloadId to hex
workload_id = "echo-result".encode("UTF-8").hex()
work_order_id = secrets.token_hex(32)
requester_id = secrets.token_hex(32)
session_iv = utility.generate_iv()
session_key = utility.generate_key()
requester_nonce = secrets.token_hex(16)
# Create work order
wo_params = WorkOrderParams(
work_order_id,
worker_id,
workload_id,
requester_id,
session_key,
session_iv,
requester_nonce,
result_uri=" ",
notify_uri=" ",
worker_encryption_key=worker_obj.encryption_key,
data_encryption_algorithm="AES-GCM-256")
# Add worker input data
if input_data_hash:
# Compute data hash for data params inData
data_hash = utility.compute_data_hash(message)
# Convert data_hash to hex
data_hash = hex_utils.byte_array_to_hex_str(data_hash)
wo_params.add_in_data(message, data_hash)
else:
wo_params.add_in_data(message)
# Encrypt work order request hash
wo_params.add_encrypted_request_hash()
private_key = utility.generate_signing_keys()
if requester_signature:
# Add requester signature and requester verifying_key
if wo_params.add_requester_signature(private_key) is False:
logger.info("Work order request signing failed")
exit(1)
# Submit work order
logger.info("Work order submit request : %s, \n \n ",
wo_params.to_jrpc_string(req_id))
work_order_instance = direct_jrpc.get_work_order_instance()
req_id += 1
response = work_order_instance.work_order_submit(
wo_params.get_work_order_id(),
wo_params.get_worker_id(),
wo_params.get_requester_id(),
wo_params.to_string(),
id=req_id)
logger.info("Work order submit response : {}\n ".format(
json.dumps(response, indent=4)))
if "error" in response and response["error"]["code"] != \
WorkOrderStatus.PENDING:
sys.exit(1)
# Create receipt
wo_receipt_instance = direct_jrpc.get_work_order_receipt_instance()
req_id += 1
# Create work order receipt object using WorkOrderReceiptRequest class
wo_request = json.loads(wo_params.to_jrpc_string(req_id))
wo_receipt_obj = WorkOrderReceiptRequest()
wo_create_receipt = wo_receipt_obj.create_receipt(
wo_request, ReceiptCreateStatus.PENDING.value, private_key)
logger.info("Work order create receipt request : {} \n \n ".format(
json.dumps(wo_create_receipt, indent=4)))
# Submit work order create receipt jrpc request
wo_receipt_resp = wo_receipt_instance.work_order_receipt_create(
wo_create_receipt["workOrderId"], wo_create_receipt["workerServiceId"],
wo_create_receipt["workerId"], wo_create_receipt["requesterId"],
wo_create_receipt["receiptCreateStatus"],
wo_create_receipt["workOrderRequestHash"],
wo_create_receipt["requesterGeneratedNonce"],
wo_create_receipt["requesterSignature"],
wo_create_receipt["signatureRules"],
wo_create_receipt["receiptVerificationKey"], req_id)
logger.info("Work order create receipt response : {} \n \n ".format(
wo_receipt_resp))
# Retrieve result
req_id += 1
res = work_order_instance.work_order_get_result(work_order_id, req_id)
logger.info("Work order get result : {}\n ".format(
json.dumps(res, indent=4)))
sig_obj = signature.ClientSignature()
if "result" in res:
status = sig_obj.verify_signature(res, worker_obj.verification_key)
try:
if status == SignatureStatus.PASSED:
logger.info(
"Work order response signature verification Successful")
decrypted_res = utility.decrypted_response(
res, session_key, session_iv)
logger.info("\nDecrypted response:\n {}".format(decrypted_res))
if input_data_hash:
decrypted_data = decrypted_res[0]["data"]
data_hash_in_resp = (decrypted_res[0]["dataHash"]).upper()
# Verify data hash in response
if utility.verify_data_hash(decrypted_data,
data_hash_in_resp) is False:
sys.exit(1)
else:
logger.info("Signature verification Failed")
sys.exit(1)
except Exception as err:
logger.error("ERROR: Failed to decrypt response: %s", str(err))
sys.exit(1)
else:
logger.info("\n Work order get result failed {}\n".format(res))
sys.exit(1)
# Retrieve receipt
receipt_res = wo_receipt_instance.work_order_receipt_retrieve(
work_order_id, id=req_id)
logger.info("\n Retrieve receipt response:\n {}".format(
json.dumps(receipt_res, indent=4)))
# Retrieve last update to receipt by passing 0xFFFFFFFF
req_id += 1
receipt_update_retrieve = \
wo_receipt_instance.work_order_receipt_update_retrieve(
work_order_id,
None,
1 << 32,
id=req_id)
logger.info("\n Last update to receipt receipt is:\n {}".format(
json.dumps(receipt_update_retrieve, indent=4)))
status = sig_obj.verify_update_receipt_signature(receipt_update_retrieve)
if status == SignatureStatus.PASSED:
logger.info(
"Work order receipt retrieve signature verification Successful")
else:
logger.info(
"Work order receipt retrieve signature verification failed!!")
sys.exit(1)
# Receipt lookup based on requesterId
req_id += 1
receipt_lookup_res = wo_receipt_instance.work_order_receipt_lookup(
requester_id=requester_id, id=req_id)
logger.info("\n Work order receipt lookup response :\n {}".format(
json.dumps(receipt_lookup_res, indent=4)))
def local_main(config):
if not input_json_str and not input_json_dir:
LOGGER.error("JSON input file is not provided")
exit(1)
if not output_json_file_name:
LOGGER.error("JSON output file is not provided")
exit(1)
if not server_uri:
LOGGER.error("Server URI is not provided")
exit(1)
LOGGER.info("Execute work order")
uri_client = HttpJrpcClient(server_uri)
response = None
wo_id = None
if input_json_dir:
directory = os.fsencode(input_json_dir)
files = os.listdir(directory)
for file in sorted(files):
LOGGER.info("---------------- Input file name: %s -------------\n",
file.decode("utf-8"))
input_json_str1 = futils.read_json_file(
(directory.decode("utf-8") + file.decode("utf-8")))
# -----------------------------------------------------------------
# If Client request is WorkOrderSubmit, a requester payload's
# signature with the requester private signing key is generated.
if "WorkOrderSubmit" in input_json_str1:
# Update workOrderId , workerId and workloadId
input_json_obj = json.loads(input_json_str1)
wo_id = hex(random.randint(1, 2**64 - 1))
input_json_obj["params"]["workOrderId"] = wo_id
input_json_obj["params"]["workerId"] = worker_obj.worker_id
# Convert workloadId to a hex string and update the request
workload_id = input_json_obj["params"]["workloadId"]
workload_id_hex = workload_id.encode("UTF-8").hex()
input_json_obj["params"]["workloadId"] = workload_id_hex
input_json_str1 = json.dumps(input_json_obj)
# Generate session iv an encrypted session key
session_iv = enclave_helper.generate_iv()
session_key = enclave_helper.generate_key()
encrypted_session_key = enclave_helper.generate_encrypted_key(
session_key, worker_obj.encryption_key)
input_json_str1, status = sig_obj.generate_client_signature(
input_json_str1, worker_obj, private_key, session_key,
session_iv, encrypted_session_key)
if status != SignatureStatus.PASSED:
LOGGER.info("Generate signature failed\n")
exit(1)
if input_json_str1 is None:
continue
# -----------------------------------------------------------------
# Update the worker ID
if response:
if "workerId" in input_json_str1:
# Retrieve the worker id from the "WorkerRetrieve"
# response and update the worker id information for
# further json requests.
if "result" in response and \
"ids" in response["result"].keys():
input_json_final = json.loads(input_json_str1)
worker_id = response["result"]["ids"][0]
input_json_final["params"]["workerId"] = worker_id
input_json_str1 = json.dumps(input_json_final)
LOGGER.info(
"********** Worker details Updated with "
"Worker ID*********\n%s\n", input_json_str1)
# -----------------------------------------------------------------
if "WorkOrderGetResult" in input_json_str1 or \
"WorkOrderReceiptRetrieve":
input_json_obj = json.loads(input_json_str1)
input_json_obj["params"]["workOrderId"] = wo_id
input_json_str1 = json.dumps(input_json_obj)
LOGGER.info("*********Request Json********* \n%s\n",
input_json_str1)
response = uri_client._postmsg(input_json_str1)
LOGGER.info("**********Received Response*********\n%s\n", response)
# -----------------------------------------------------------------
# Worker details are loaded into Worker_Obj
if "WorkerRetrieve" in input_json_str1 and "result" in response:
worker_obj.load_worker(response)
# -----------------------------------------------------------------
# Poll for "WorkOrderGetResult" and break when you get the result
while ("WorkOrderGetResult" in input_json_str1
and "result" not in response):
if response["error"]["code"] != WorkOrderStatus.PENDING:
break
response = uri_client._postmsg(input_json_str1)
LOGGER.info("Received Response: %s, \n \n ", response)
time.sleep(3)
# -----------------------------------------------------------------
# Verify the signature
if "WorkOrderGetResult" in input_json_str1:
if "error" in response:
# Response has error, hence skip Signature verification
LOGGER.info("Work order response has error; "
"skipping signature verification")
continue
sig_bool = sig_obj.verify_signature(
response, worker_obj.verification_key)
try:
if sig_bool > 0:
LOGGER.info("Signature Verified")
enclave_helper.decrypted_response(
response, session_key, session_iv)
else:
LOGGER.info("Signature verification Failed")
exit(1)
except Exception as e:
LOGGER.error("ERROR: Failed to analyze " +
"Signature Verification")
exit(1)
# -----------------------------------------------------------------
else:
LOGGER.info("Input Request %s", input_json_str)
response = uri_client._postmsg(input_json_str)
LOGGER.info("Received Response: %s , \n \n ", response)
exit(0)
def evaluate(self, message):
"""Create and submit workorder and wait for result."""
self.result_text.set("Waiting for evaluation result...")
self.update()
# Create, sign, and submit workorder.
# Convert workloadId to hex.
workload_id = "heart-disease-eval"
workload_id = workload_id.encode("UTF-8").hex()
session_iv = utility.generate_iv()
session_key = utility.generate_key()
requester_nonce = secrets.token_hex(16)
work_order_id = secrets.token_hex(32)
requester_id = secrets.token_hex(32)
wo_params = WorkOrderParams(
work_order_id,
worker_id,
workload_id,
requester_id,
session_key,
session_iv,
requester_nonce,
result_uri=" ",
notify_uri=" ",
worker_encryption_key=worker_obj.encryption_key,
data_encryption_algorithm="AES-GCM-256")
wo_params.add_in_data(message)
wo_params.add_encrypted_request_hash()
private_key = utility.generate_signing_keys()
if requester_signature:
# Add requester signature and requester verifying_key
if wo_params.add_requester_signature(private_key) is False:
logger.info("Work order request signing failed")
exit(1)
# Set text for JSON sidebar
req_id = 51
self.request_json = wo_params.to_jrpc_string(req_id)
work_order_instance = direct_jrpc.get_work_order_instance(config)
response = work_order_instance.work_order_submit(
wo_params.get_work_order_id(),
wo_params.get_worker_id(),
wo_params.get_requester_id(),
wo_params.to_string(),
id=req_id)
logger.info("Work order submit response : {}\n ".format(
json.dumps(response, indent=4)))
if "error" in response and response["error"]["code"] != \
WorkOrderStatus.PENDING:
sys.exit(1)
# Create work order receipt
req_id += 1
wo_receipt_instance = direct_jrpc.get_work_order_receipt_instance(
config)
wo_request = json.loads(self.request_json)
wo_receipt_obj = WorkOrderReceiptRequest()
wo_create_receipt = wo_receipt_obj.create_receipt(
wo_request, ReceiptCreateStatus.PENDING.value, private_key)
logger.info("Work order create receipt request : {} \n \n ".format(
json.dumps(wo_create_receipt, indent=4)))
# Submit work order create receipt jrpc request
wo_receipt_resp = wo_receipt_instance.work_order_receipt_create(
wo_create_receipt["workOrderId"],
wo_create_receipt["workerServiceId"],
wo_create_receipt["workerId"], wo_create_receipt["requesterId"],
wo_create_receipt["receiptCreateStatus"],
wo_create_receipt["workOrderRequestHash"],
wo_create_receipt["requesterGeneratedNonce"],
wo_create_receipt["requesterSignature"],
wo_create_receipt["signatureRules"],
wo_create_receipt["receiptVerificationKey"], req_id)
logger.info("Work order create receipt response : {} \n \n ".format(
wo_receipt_resp))
# Retrieve result and set GUI result text
res = work_order_instance.work_order_get_result(work_order_id, req_id)
self.result_json = json.dumps(res, indent=4)
if "result" in res:
sig_obj = signature.ClientSignature()
status = sig_obj.verify_signature(res, worker_obj.verification_key)
try:
if status == SignatureStatus.PASSED:
logger.info("Signature verification Successful")
decrypted_res = utility. \
decrypted_response(res, session_key, session_iv)
logger.info(
"\n" +
"Decrypted response:\n {}".format(decrypted_res))
else:
logger.info("Signature verification Failed")
sys.exit(1)
except Exception as err:
logger.info("ERROR: Failed to decrypt response: %s", str(err))
sys.exit(1)
else:
logger.info("\n Work order get result failed {}\n".format(res))
sys.exit(1)
# Set text for JSON sidebar
self.result_text.set(decrypted_res[0]["data"])
# Retrieve receipt
# Set text for JSON sidebar
req_id += 1
self.receipt_json = json.dumps(
wo_receipt_instance.work_order_receipt_retrieve(
work_order_id, req_id),
indent=4)
def Main(args=None):
options = _parse_command_line(args)
config = _parse_config_file(options.config)
if config is None:
logger.error("\n Error in parsing config file: {}\n".format(
options.config))
sys.exit(-1)
# mode should be one of listing or registry (default)
mode = options.mode
# Http JSON RPC listener uri
uri = options.uri
if uri:
config["tcf"]["json_rpc_uri"] = uri
# Address of smart contract
address = options.address
if address:
if mode == "listing":
config["ethereum"]["direct_registry_contract_address"] = \
address
elif mode == "registry":
logger.error(
"\n Only Worker registry listing address is supported." +
"Worker registry address is unsupported \n")
sys.exit(-1)
# worker id
worker_id = options.worker_id
# work load id of worker
workload_id = options.workload_id
if not workload_id:
logger.error("\nWorkload id is mandatory\n")
sys.exit(-1)
# work order input data
in_data = options.in_data
# show receipt in output
show_receipt = options.receipt
# show decrypted result in output
show_decrypted_output = options.decrypted_output
# requester signature for work order requests
requester_signature = options.requester_signature
# setup logging
config["Logging"] = {"LogFile": "__screen__", "LogLevel": "INFO"}
plogger.setup_loggers(config.get("Logging", {}))
sys.stdout = plogger.stream_to_logger(logging.getLogger("STDOUT"),
logging.DEBUG)
sys.stderr = plogger.stream_to_logger(logging.getLogger("STDERR"),
logging.WARN)
logger.info("******* Hyperledger Avalon Generic client *******")
if mode == "registry" and address:
logger.error("\n Worker registry contract address is unsupported \n")
sys.exit(-1)
# Retrieve JSON RPC uri from registry list
if not uri and mode == "listing":
uri = _retrieve_uri_from_registry_list(config)
if uri is None:
logger.error("\n Unable to get http JSON RPC uri \n")
sys.exit(-1)
# Prepare worker
# JRPC request id. Choose any integer value
jrpc_req_id = 31
worker_registry = WorkerRegistryJRPCClientImpl(config)
if not worker_id:
# Get first worker from worker registry
worker_id = _lookup_first_worker(worker_registry, jrpc_req_id)
if worker_id is None:
logger.error("\n Unable to get worker \n")
sys.exit(-1)
# Retrieve worker details
jrpc_req_id += 1
worker_retrieve_result = worker_registry.worker_retrieve(
worker_id, jrpc_req_id)
logger.info("\n Worker retrieve response: {}\n".format(
json.dumps(worker_retrieve_result, indent=4)))
if "error" in worker_retrieve_result:
logger.error("Unable to retrieve worker details\n")
sys.exit(1)
# Create session key and iv to sign work order request
session_key = crypto_utility.generate_key()
session_iv = crypto_utility.generate_iv()
# Initializing Worker Object
worker_obj = worker_details.SGXWorkerDetails()
worker_obj.load_worker(worker_retrieve_result)
logger.info(
"**********Worker details Updated with Worker ID" + "*********\n%s\n",
worker_id)
# Create work order
wo_params = _create_work_order_params(worker_id, workload_id, in_data,
worker_obj.encryption_key,
session_key, session_iv)
client_private_key = crypto_utility.generate_signing_keys()
if requester_signature:
# Add requester signature and requester verifying_key
if wo_params.add_requester_signature(client_private_key) is False:
logger.info("Work order request signing failed")
exit(1)
# Submit work order
logger.info("Work order submit request : %s, \n \n ",
wo_params.to_jrpc_string(jrpc_req_id))
work_order = WorkOrderJRPCClientImpl(config)
jrpc_req_id += 1
response = work_order.work_order_submit(wo_params.get_work_order_id(),
wo_params.get_worker_id(),
wo_params.get_requester_id(),
wo_params.to_string(),
id=jrpc_req_id)
logger.info("Work order submit response : {}\n ".format(
json.dumps(response, indent=4)))
if "error" in response and response["error"]["code"] != \
WorkOrderStatus.PENDING:
sys.exit(1)
# Create receipt
wo_receipt = WorkOrderReceiptJRPCClientImpl(config)
if show_receipt:
jrpc_req_id += 1
_create_work_order_receipt(wo_receipt, wo_params, client_private_key,
jrpc_req_id)
# Retrieve work order result
jrpc_req_id += 1
res = work_order.work_order_get_result(wo_params.get_work_order_id(),
jrpc_req_id)
logger.info("Work order get result : {}\n ".format(
json.dumps(res, indent=4)))
# Check if result field is present in work order response
if "result" in res:
# Verify work order response signature
if _verify_wo_res_signature(res, worker_obj.verification_key) is False:
logger.error("Work order response signature verification Failed")
sys.exit(1)
# Decrypt work order response
if show_decrypted_output:
decrypted_res = crypto_utility.decrypted_response(
res, session_key, session_iv)
logger.info("\nDecrypted response:\n {}".format(decrypted_res))
else:
logger.error("\n Work order get result failed {}\n".format(res))
sys.exit(1)
if show_receipt:
# Retrieve receipt
jrpc_req_id += 1
retrieve_wo_receipt \
= _retrieve_work_order_receipt(wo_receipt,
wo_params, jrpc_req_id)
# Verify receipt signature
if _verify_receipt_signature(retrieve_wo_receipt) is False:
logger.error("Receipt signature verification Failed")
sys.exit(1)
def Main(args=None):
ParseCommandLine(args)
config["Logging"] = {
"LogFile": "__screen__",
"LogLevel": "INFO"
}
plogger.setup_loggers(config.get("Logging", {}))
sys.stdout = plogger.stream_to_logger(
logging.getLogger("STDOUT"), logging.DEBUG)
sys.stderr = plogger.stream_to_logger(
logging.getLogger("STDERR"), logging.WARN)
logger.info("***************** AVALON *****************")
# Connect to registry list and retrieve registry
if not off_chain:
direct_wrapper.init_worker_registry_list(config)
registry_lookup_result = direct_wrapper.registry_lookup()
if (registry_lookup_result[0] == 0):
logger.warn("No registries found")
sys.exit(1)
registry_retrieve_result = direct_wrapper.registry_retrieve(
registry_lookup_result[2][0])
config["tcf"]["json_rpc_uri"] = registry_retrieve_result[0]
# Prepare worker
direct_wrapper.init_worker_registry(config)
global worker_id
if not worker_id:
worker_lookup_json = jrpc_request.WorkerLookupJson(
1, worker_type=1)
worker_lookup_result = direct_wrapper.worker_lookup(
worker_lookup_json)
if "result" in worker_lookup_result and \
"ids" in worker_lookup_result["result"].keys():
if worker_lookup_result["result"]["totalCount"] != 0:
worker_id = \
worker_lookup_result["result"]["ids"][0]
else:
logger.error("ERROR: No workers found")
sys.exit(1)
else:
logger.error("ERROR: Failed to lookup worker")
sys.exit(1)
worker_retrieve_json = jrpc_request.WorkerRetrieveJson(2, worker_id)
worker_obj.load_worker(
direct_wrapper.worker_retrieve(worker_retrieve_json))
logger.info("********** Worker details Updated with Worker ID" +
"*********\n%s\n", worker_id)
# Convert workloadId to hex
workload_id = "echo-result"
workload_id = workload_id.encode("UTF-8").hex()
# Create work order
wo_submit_json = jrpc_request.WorkOrderSubmitJson(
3, 6000, "pformat",
worker_id, workload_id, "0x2345",
worker_encryption_key=base64.b64decode(
worker_obj.worker_encryption_key).hex(),
data_encryption_algorithm="AES-GCM-256")
wo_id = wo_submit_json.get_work_order_id()
# Sign work order
private_key = utility.generate_signing_keys()
session_key = utility.generate_key()
session_iv = utility.generate_iv()
encrypted_session_key = utility.generate_encrypted_key(
session_key, worker_obj.worker_encryption_key)
# Generate one time key used for encrypting inData
data_key = utility.generate_key()
# Initialation vector of size 12 bytes with all zeros.
data_iv = bytearray(12)
encrypted_key = utility.generate_encrypted_key(
data_key, worker_obj.worker_encryption_key)
encrypted_data_encryption_key = utility.encrypt_data(
encrypted_key, session_key)
encrypted_data_encryption_key_str = ''.join(
format(i, '02x') for i in encrypted_data_encryption_key)
data_iv_str = ''.join(format(i, '02x') for i in data_iv)
wo_submit_json.add_in_data(
message, None, encrypted_data_encryption_key_str, data_iv_str)
# Submit work order
direct_wrapper.init_work_order(config)
direct_wrapper.work_order_submit(
wo_submit_json, encrypted_session_key, worker_obj, private_key,
session_key, session_iv, data_key, data_iv)
# Retrieve result
wo_get_result_json = jrpc_request.WorkOrderGetResultJson(4, wo_id)
direct_wrapper.work_order_get_result(
wo_get_result_json, session_key, session_iv, data_key, data_iv)
def Main(args=None):
ParseCommandLine(args)
config["Logging"] = {
"LogFile": "__screen__",
"LogLevel": "INFO"
}
plogger.setup_loggers(config.get("Logging", {}))
sys.stdout = plogger.stream_to_logger(
logging.getLogger("STDOUT"), logging.DEBUG)
sys.stderr = plogger.stream_to_logger(
logging.getLogger("STDERR"), logging.WARN)
logger.info("***************** TRUSTED COMPUTE FRAMEWORK (TCF)" +
" *****************")
global direct_jrpc
direct_jrpc = AvalonDirectClient(config_file=None, config=config)
global address
if mode == "registry" and address:
logger.error("\n Worker registry contract address is unsupported \n")
sys.exit(-1)
# Connect to registry list and retrieve registry
global uri
if not uri and mode == "listing":
registry_list_instance = direct_jrpc.get_worker_registry_list_instance(
)
# Lookup returns tuple, first element is number of registries and
# second is element is lookup tag and
# third is list of organization ids.
registry_count, lookup_tag, registry_list = \
registry_list_instance.registry_lookup()
logger.info("\n Registry lookup response: registry count: {} " +
"lookup tag: {} registry list: {}\n".format(
registry_count, lookup_tag, registry_list))
if (registry_count == 0):
logger.error("No registries found")
sys.exit(1)
# Retrieve the fist registry details.
registry_retrieve_result = registry_list_instance.registry_retrieve(
registry_list[0])
logger.info("\n Registry retrieve response: {}\n".format(
registry_retrieve_result
))
config["tcf"]["json_rpc_uri"] = registry_retrieve_result[0]
# Prepare worker
req_id = 31
global worker_id
if not worker_id:
worker_registry_instance = direct_jrpc.get_worker_registry_instance()
worker_lookup_result = worker_registry_instance.worker_lookup(
worker_type=WorkerType.TEE_SGX, id=req_id
)
logger.info("\n Worker lookup response: {}\n".format(
json.dumps(worker_lookup_result, indent=4)
))
if "result" in worker_lookup_result and \
"ids" in worker_lookup_result["result"].keys():
if worker_lookup_result["result"]["totalCount"] != 0:
worker_id = worker_lookup_result["result"]["ids"][0]
else:
logger.error("ERROR: No workers found")
sys.exit(1)
else:
logger.error("ERROR: Failed to lookup worker")
sys.exit(1)
req_id += 1
worker_retrieve_result = worker_registry_instance.worker_retrieve(
worker_id, req_id
)
logger.info("\n Worker retrieve response: {}\n".format(
json.dumps(worker_retrieve_result, indent=4)
))
if "error" in worker_retrieve_result:
logger.error("Unable to retrieve worker details\n")
sys.exit(1)
# Initializing Worker Object
worker_obj = worker_details.SGXWorkerDetails()
worker_obj.load_worker(worker_retrieve_result)
logger.info("**********Worker details Updated with Worker ID" +
"*********\n%s\n", worker_id)
# Convert workloadId to hex
global workload_id
workload_id = workload_id.encode("UTF-8").hex()
work_order_id = secrets.token_hex(32)
requester_id = secrets.token_hex(32)
session_iv = utility.generate_iv()
session_key = utility.generate_key()
requester_nonce = secrets.token_hex(16)
# Create work order
wo_params = WorkOrderParams(
work_order_id, worker_id, workload_id, requester_id,
session_key, session_iv, requester_nonce,
result_uri=" ", notify_uri=" ",
worker_encryption_key=worker_obj.encryption_key,
data_encryption_algorithm="AES-GCM-256"
)
# Add worker input data
global in_data
for value in in_data:
wo_params.add_in_data(value)
# Encrypt work order request hash
wo_params.add_encrypted_request_hash()
private_key = utility.generate_signing_keys()
if requester_signature:
# Add requester signature and requester verifying_key
if wo_params.add_requester_signature(private_key) is False:
logger.info("Work order request signing failed")
exit(1)
# Submit work order
logger.info("Work order submit request : %s, \n \n ",
wo_params.to_jrpc_string(req_id))
work_order_instance = direct_jrpc.get_work_order_instance()
req_id += 1
response = work_order_instance.work_order_submit(
wo_params.get_work_order_id(),
wo_params.get_worker_id(),
wo_params.get_requester_id(),
wo_params.to_string(),
id=req_id
)
logger.info("Work order submit response : {}\n ".format(
json.dumps(response, indent=4)
))
if "error" in response and response["error"]["code"] != \
WorkOrderStatus.PENDING:
sys.exit(1)
wo_receipt_instance = direct_jrpc.get_work_order_receipt_instance()
# Create receipt
if show_receipt:
req_id += 1
# Create work order receipt object using WorkOrderReceiptRequest class
wo_request = json.loads(wo_params.to_jrpc_string(req_id))
wo_receipt_obj = WorkOrderReceiptRequest()
wo_create_receipt = wo_receipt_obj.create_receipt(
wo_request,
ReceiptCreateStatus.PENDING.value,
private_key
)
logger.info("Work order create receipt request : {} \n \n ".format(
json.dumps(wo_create_receipt, indent=4)
))
# Submit work order create receipt jrpc request
wo_receipt_resp = wo_receipt_instance.work_order_receipt_create(
wo_create_receipt["workOrderId"],
wo_create_receipt["workerServiceId"],
wo_create_receipt["workerId"],
wo_create_receipt["requesterId"],
wo_create_receipt["receiptCreateStatus"],
wo_create_receipt["workOrderRequestHash"],
wo_create_receipt["requesterGeneratedNonce"],
wo_create_receipt["requesterSignature"],
wo_create_receipt["signatureRules"],
wo_create_receipt["receiptVerificationKey"],
req_id
)
logger.info("Work order create receipt response : {} \n \n ".format(
wo_receipt_resp
))
# Retrieve result
req_id += 1
res = work_order_instance.work_order_get_result(
work_order_id,
req_id
)
logger.info("Work order get result : {}\n ".format(
json.dumps(res, indent=4)
))
sig_obj = signature.ClientSignature()
if "result" in res:
status = sig_obj.verify_signature(res, worker_obj.verification_key)
try:
if status == SignatureStatus.PASSED:
logger.info("Signature verification Successful")
decrypted_res = utility.decrypted_response(
res, session_key, session_iv)
if show_decrypted_output:
logger.info("\nDecrypted response:\n {}"
.format(decrypted_res))
else:
logger.error("Signature verification Failed")
sys.exit(1)
except Exception as err:
logger.error("ERROR: Failed to decrypt response: %s", str(err))
sys.exit(1)
else:
logger.error("\n Work order get result failed {}\n".format(
res
))
sys.exit(1)
if show_receipt:
# Retrieve receipt
req_id += 1
receipt_res = wo_receipt_instance.work_order_receipt_retrieve(
work_order_id,
id=req_id
)
logger.info("\n Retrieve receipt response:\n {}".format(
json.dumps(receipt_res, indent=4)
))
# Retrieve last update to receipt by passing 0xFFFFFFFF
req_id += 1
receipt_update_retrieve = \
wo_receipt_instance.work_order_receipt_update_retrieve(
work_order_id,
None,
1 << 32,
id=req_id)
logger.info("\n Last update to receipt receipt is:\n {}".format(
json.dumps(receipt_update_retrieve, indent=4)
))
status = sig_obj.verify_update_receipt_signature(
receipt_update_retrieve)
if status == SignatureStatus.PASSED:
logger.info(
"Work order receipt retrieve signature verification " +
"successful")
else:
logger.info(
"Work order receipt retrieve signature verification failed!!")
sys.exit(1)
