pure-sasl

import os from pure_sasl.client import SASLClient # Retrieve credentials from environment variables or provide defaults # In a real application, these would come from configuration or user input. username = os.environ.get("SASL_USERNAME", "myuser") password = os.environ.get("SASL_PASSWORD", "mypassword") # 1. Initialize the SASL client with the desired mechanism and credentials. # Common mechanisms: 'PLAIN', 'SCRAM-SHA-1', 'SCRAM-SHA-256'. try: client = SASLClient( mechanism='PLAIN', username=username, password=password ) print(f"SASLClient initialized for PLAIN mechanism with user: {username}") # 2. Process the initial challenge from the server. # For PLAIN, the initial challenge is typically an empty bytes string. # In a real network exchange, this comes from the server. server_challenge_1 = b'' client_response_1 = client.process(server_challenge_1) print(f"Client response to initial challenge: {client_response_1!r}") # 3. If authentication requires more steps (e.g., SCRAM), # the server would send another challenge, which you'd pass to .process() again. # For PLAIN, the process is often complete after the first response. if client.complete: print("SASL PLAIN authentication sequence complete.") else: print("Authentication not yet complete. Awaiting further server challenges.") except Exception as e: print(f"Error during SASL client operation: {e}")