/*
 * Copyright (C) 2010-2011 Mamadou Diop.
 *
 * Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org>
 *	
 * This file is part of Open Source Doubango Framework.
 *
 * DOUBANGO is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *	
 * DOUBANGO is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *	
 * You should have received a copy of the GNU General Public License
 * along with DOUBANGO.
 *
 */
 /**@file thttp_auth.h
  * @brief HTTP basic/digest authetication (RFC 2617) implementations.
  *
  * @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
  *
 
  */
 #ifndef TINYHTTP_THTTP_AUTH_H
 #define TINYHTTP_THTTP_AUTH_H
 
 #include "tinyhttp_config.h"
 
 #include "tsk_md5.h"
 #include "tsk_buffer.h"
 
 THTTP_BEGIN_DECLS
 
 typedef char nonce_count_t[9];
 typedef char thttp_auth_ws_keystring_t[255];
 #define THTTP_NCOUNT_2_STRING(nc_int32, nc_string)							\
 	{																		\
 		tsk_size_t i = 7;														\
 		do{																	\
 			nc_string[7-i]= "0123456789abcdef"[(nc_int32 >> i*4) & 0xF];	\
 		}																	\
 		while(i--);															\
 		nc_string[8] = '\0';												\
 	}
 
 TINYHTTP_API tsk_size_t thttp_auth_basic_response(const char* userid, const char* password, char** response);
 
 TINYHTTP_API int thttp_auth_digest_HA1(const char* username, const char* realm, const char* password, tsk_md5string_t* ha1);
 TINYHTTP_API int thttp_auth_digest_HA1sess(const char* username, const char* realm, const char* password, const char* nonce, const char* cnonce, tsk_md5string_t* ha1sess);
 
 TINYHTTP_API int thttp_auth_digest_HA2(const char* method, const char* url, const tsk_buffer_t* entity_body, const char* qop, tsk_md5string_t* ha2);
 
 TINYHTTP_API int thttp_auth_digest_response(const tsk_md5string_t *ha1, const char* nonce, const nonce_count_t noncecount, const char* cnonce, 
 											const char* qop, const tsk_md5string_t* ha2, tsk_md5string_t* response);
 
 TINYHTTP_API tsk_size_t thttp_auth_ws_response(const char* key, thttp_auth_ws_keystring_t* response);
 
 THTTP_END_DECLS
 
 #endif /* TINYHTTP_THTTP_H */