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/*
 * Amazon FreeRTOS HTTPS Client V1.1.0
 * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * http://aws.amazon.com/freertos
 * http://www.FreeRTOS.org
 */

/**
 * @file iot_https_utils.h
 * @brief User facing HTTPS Client library utilities.
 */

#ifndef IOT_HTTPS_UTILS_H_
#define IOT_HTTPS_UTILS_H_

#include "types/iot_https_types.h"

/*-----------------------------------------------------------*/

/**
 * @brief Retrieve the path from the input URL.
 *
 * This function retrieves the location and length of the path from within the
 * input the URL. The query is not included in the length returned.
 *
 * The URL MUST start with "http://" or "https://" to find the path.
 *
 * For example, if the URL is:
 * pUrl = "https://www.somewebsite.com/path/to/item.txt?optionalquery=stuff"
 *
 * *pPath = "/path/to/item.txt?optionalquery=stuff"
 * *pPathLen = 17
 *
 * @param[in] pUrl - URL string to parse.
 * @param[in] urlLen - The length of the URL string input.
 * @param[out] pPath - pointer within input url that the path starts at.
 * @param[out] pPathLen - Length of the path.
 *
 * - #IOT_HTTPS_OK if the path was successfully parsed.
 * - #IOT_HTTPS_PARSING_ERROR if there was an error parsing the URL.
 * - #IOT_HTTPS_NOT_FOUND if the path was not found.
 */
IotHttpsReturnCode_t IotHttpsClient_GetUrlPath( const char * pUrl,
                                                size_t urlLen,
                                                const char ** pPath,
                                                size_t * pPathLen );

/**
 * @brief Retrieve the Address from the input URL.
 *
 * This function retrieves the location and length of the address from within
 * the input URL. The path and query are not included in the length returned.
 *
 * The URL MUST start with "http://" or "https://" to find the address.
 *
 * For example, if the URL is:
 * pUrl = "https://www.somewebsite.com/path/to/item.txt?optionalquery=stuff"
 *
 * *pAddress = "www.somewebsite.com/path/to/item.txt?optionalquery=stuff"
 * *pAddressLen = 19
 *
 * @param[in] pUrl - URL string to parse.
 * @param[in] urlLen - The length of the URL string input.
 * @param[out] pAddress - pointer within input url that the address starts at.
 * @param[out] pAddressLen - Length of the address.
 *
 * @return One of the following:
 * - #IOT_HTTPS_OK if the path was successfully parsed.
 * - #IOT_HTTPS_PARSING_ERROR if there was an error parsing the URL.
 * - #IOT_HTTPS_NOT_FOUND if the address was not found.
 */
IotHttpsReturnCode_t IotHttpsClient_GetUrlAddress( const char * pUrl,
                                                   size_t urlLen,
                                                   const char ** pAddress,
                                                   size_t * pAddressLen );

#endif /* IOT_HTTPS_UTILS_H_ */