Returns if the passed id is valid

def valid_id(opts, id_):
    '''
    Returns if the passed id is valid
    '''
    try:
        if any(x in id_ for x in ('/', '\\', str('\0'))):
            return False
        return bool(clean_path(opts['pki_dir'], id_))
    except (AttributeError, KeyError, TypeError, UnicodeDecodeError):
        return False