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/*
* Copyright (C) 2016, 2017, 2018 "IoT.bzh"
* Author: José Bollo <jose.bollo@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
/**
* Enumeration for authority (Session/Token/Assurance) definitions.
*
* @see afb_auth
*/
enum afb_auth_type
{
/** never authorized, no data */
afb_auth_No = 0,
/** authorized if token valid, no data */
afb_auth_Token,
/** authorized if LOA greater than data 'loa' */
afb_auth_LOA,
/** authorized if permission 'text' is granted */
afb_auth_Permission,
/** authorized if 'first' or 'next' is authorized */
afb_auth_Or,
/** authorized if 'first' and 'next' are authorized */
afb_auth_And,
/** authorized if 'first' is not authorized */
afb_auth_Not,
/** always authorized, no data */
afb_auth_Yes
};
/**
* Definition of an authorization entry
*/
struct afb_auth
{
/** type of entry @see afb_auth_type */
enum afb_auth_type type;
union {
/** text when @ref type == @ref afb_auth_Permission */
const char *text;
/** level of assurancy when @ref type == @ref afb_auth_LOA */
unsigned loa;
/** first child when @ref type in { @ref afb_auth_Or, @ref afb_auth_And, @ref afb_auth_Not } */
const struct afb_auth *first;
};
/** second child when @ref type in { @ref afb_auth_Or, @ref afb_auth_And } */
const struct afb_auth *next;
};
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