aws_s3_misc.h

//    Copyright (c) 2009, Christopher James Huff <cjameshuff@gmail.com>
//    All rights reserved.
//
//    Redistribution and use in source and binary forms, with or without
//    modification, are permitted provided that the following conditions are met:
//        * Redistributions of source code must retain the above copyright
//          notice, this list of conditions and the following disclaimer.
//        * Redistributions in binary form must reproduce the above copyright
//          notice, this list of conditions and the following disclaimer in the
//          documentation and/or other materials provided with the distribution.
//        * Neither the name of the <organization> nor the
//          names of its contributors may be used to endorse or promote products
//          derived from this software without specific prior written permission.
//
//    THIS SOFTWARE IS PROVIDED BY <copyright holder> ''AS IS'' AND ANY
//    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
//    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
//    DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
//    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
//    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
//    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
//    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
//    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
//    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#ifndef AWS_S3_MISC_H
#define AWS_S3_MISC_H

#include <iostream>
#include <string>
#include <openssl/md5.h>
#include <openssl/buffer.h>
#include <openssl/hmac.h>
#include <openssl/bio.h>

#ifdef HAVE_STDINT_H
#include <stdint.h>
#else
typedef unsigned char uint8_t;
#endif

void InitMimeTypes();
std::string MatchMimeType(const std::string & fname);

std::string EncodeB64(uint8_t * data, size_t dataLen);

size_t ComputeMD5(uint8_t md5[EVP_MAX_MD_SIZE], std::istream & istrm);
std::string ComputeMD5(std::istream & istrm);

// Extract text enclosed between <tag> and </tag>, starting from crsr
// position and leaving crsr at the character index following the end tag.
bool ExtractXML(std::string & data, std::string::size_type & crsr,
                const std::string & tag, const std::string & xml);

std::string HTTP_Date();

std::string GenerateSignature(const std::string & secret, const std::string & stringToSign);

#endif //AWS_S3_MISC_H