# Since we don't store the generated codes, we'll have to brute-force validate by checking against recent codes timestamp = int(time.time()) for i in range(-max_age, 0): past_timestamp = timestamp + i past_timestamp_str = str(past_timestamp) unique_id = str(uuid.uuid4()) combined_string = past_timestamp_str + unique_id expected_registration_code = hmac.new(self.secret_key, combined_string.encode('utf-8'), hashlib.sha256).digest() expected_registration_code_b64 = base64.b64encode(expected_registration_code).decode('utf-8') if expected_registration_code_b64 == registration_code: return True, "Registration code is valid" return False, "Registration code has expired or is invalid"
import uuid import hashlib import hmac import time import base64 timetophoto registration code hot
def generate_registration_code(self): # Get current timestamp timestamp = str(int(time.time())) # Since we don't store the generated codes,
# Generate a unique ID unique_id = str(uuid.uuid4()) "Registration code is valid" return False
return encoded_registration_code