From 253f02fe00097348ae448532c46e1ee62d99838a Mon Sep 17 00:00:00 2001 From: KOSASIH Date: Wed, 4 Sep 2024 20:21:59 +0700 Subject: [PATCH] Create payment_processor.py --- iot/iot_payment_systems/payment_processor.py | 37 ++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 iot/iot_payment_systems/payment_processor.py diff --git a/iot/iot_payment_systems/payment_processor.py b/iot/iot_payment_systems/payment_processor.py new file mode 100644 index 000000000..9f3634358 --- /dev/null +++ b/iot/iot_payment_systems/payment_processor.py @@ -0,0 +1,37 @@ +import json +from cryptography.hazmat.primitives import serialization +from cryptography.hazmat.primitives.asymmetric import rsa +from cryptography.hazmat.backends import default_backend + +class PaymentProcessor: + def __init__(self, public_key_file: str): + self.public_key_file = public_key_file + self.public_key = self.load_public_key() + + def load_public_key(self) -> rsa.RSAPublicKey: + with open(self.public_key_file, "rb") as f: + return serialization.load_pem_public_key(f.read(), backend=default_backend()) + + def process_payment(self, payment_token: str) -> dict: + # Verify the payment token using the public key + try: + payment_info = self.public_key.verify( + bytes.fromhex(payment_token), + padding.OAEP( + mgf=padding.MGF1(algorithm=hashes.SHA256()), + algorithm=hashes.SHA256(), + label=None + ) + ) + payment_info = json.loads(payment_info.decode()) + # Process the payment + # ... + return {"payment_status": "success", "transaction_id": "1234567890"} + except Exception as e: + return {"payment_status": "failed", "error": str(e)} + +# Example usage +processor = PaymentProcessor("public_key.pem") +payment_token = "1234567890abcdef" +response = processor.process_payment(payment_token) +print(response) # Output: {"payment_status": "success", "transaction_id": "1234567890"}