nntplib.py 文件源码

def _encrypt_on(sock, context):
        """Wrap a socket in SSL/TLS. Arguments:
        - sock: Socket to wrap
        - context: SSL context to use for the encrypted connection
        Returns:
        - sock: New, encrypted socket.
        """
        # Generate a default SSL context if none was passed.
        if context is None:
            context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
            # SSLv2 considered harmful.
            context.options |= ssl.OP_NO_SSLv2
        return context.wrap_socket(sock)


# The classes themselves