logging-formatter-anticrlf

import logging import sys from logging_formatter_anticrlf import AntiCRLFFormatter # Configure the logger logger = logging.getLogger(__name__) logger.setLevel(logging.INFO) # Create a console handler handler = logging.StreamHandler(sys.stdout) handler.setLevel(logging.INFO) # Create an AntiCRLFFormatter and set it on the handler # The formatter will sanitize the message before output formatter = AntiCRLFFormatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s') handler.setFormatter(formatter) # Add the handler to the logger logger.addHandler(handler) # Test messages with potential CRLF injection logger.info("This is a safe log message.") logger.info("User input: %s", "username%0D%0Aevil_injection") logger.warning("Another line for a multi-line attack: %s", "value\nmalicious") # Expected output: Newlines and carriage returns will be replaced or escaped in the output.