authentication.py 文件源码

def check_session_aspect(func, *args, **kwargs):
    """
    The authentication aspect code, provides an aspect for the aop_check_session decorator

    """

    # Get a list of the names of the non-keyword arguments
    _argument_specifications = getfullargspec(func)
    try:
        # Try and find _session_id
        arg_idx = _argument_specifications.args.index("_session_id")
    except:
        raise Exception("Authentication aspect for \"" + func.__name__ + "\": No _session_id parameter")

    # Check if the session is valid.
    _user = check_session(args[arg_idx])

    # Call the function and set the _user parameter, if existing.
    return alter_function_parameter_and_call(func, args, kwargs, '_user', _user)