/*
* Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/
/**
@file
@internalComponent
@released
*/
#include "util.h"
#include "symbiantypes.h"
#include <fstream.h>
#include <iostream>
#include <sstream>
// openssl
#include <openssl/bio.h>
#include <openssl/evp.h>
#include <openssl/buffer.h>
#ifdef _WIN32
#include <windows.h>
#endif // _WIN32
#include "utf8_wrapper.h"
static const TUint32 CrcTab32[256] =
{
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba,
0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec,
0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940,
0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116,
0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a,
0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818,
0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c,
0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086,
0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4,
0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe,
0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252,
0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60,
0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04,
0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a,
0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e,
0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0,
0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6,
0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
};
namespace Util
{
/**
* Converts wide char (unicode) string to multibyte string
* This interface is provided so that we can have different implementation
* in windows and linux machine.
* @param aSource string to be converted
* @param aSourceLen Source len. If this is -1 then it will calculate the length of the source.
* @param aTarget target location.
* @param aTargetLen Space in the target location.
* @param aCodePage Code page number (currently supported in windows only)
* @return Number of bytes that make up the converted part of multibyte sequence.
* If aTarget is NULL then the function will return the size needed to store
* the complete conversion of the source string.
*/
int ConvertWideCharToMultiByte(const wchar_t* aSource, int aSourceLen, char* aTarget, int aTargetLen, TUint32 aCodePage = 0);
/**
* Converts multibyte string to wide char (unicode)
* This interface is provided so that we can have different implementation
* in windows and linux machine.
* @param aSource string to be converted
* @param aSourceLen Source len. If this is -1 then it will calculate the length of the source.
* @param aTarget target location.
* @param aTargetLen Space in the target location.
* @param aCodePage Code page number (currently supported in windows only)
* @return Number of bytes that make up the converted part of widechar sequence.
* If aTarget is NULL then the function will return the size needed to store
* the complete conversion of the source string.
*/
int ConvertMultiByteToWideChar(const char* aSource, int aSourceLen, wchar_t* aTarget, int aTargetLen, TUint32 aCodePage = 0);
}; // namespace Util
#ifdef __linux__
int Util::ConvertWideCharToMultiByte(const wchar_t* aSource, int /*aSourceLen*/, char* aTarget, int aTargetLen, TUint32 /*aCodePage*/)
{
int retValue = wcstombs(aTarget, aSource, aTargetLen);
if (-1 == retValue)
{
return 0;
}
return retValue;
}
int Util::ConvertMultiByteToWideChar(const char* aSource, int /*aSourceLen*/, wchar_t* aTarget, int aTargetLen, TUint32 /*aCodePage*/)
{
int retValue = mbstowcs(aTarget, aSource, aTargetLen);
if (-1 == retValue)
{
return 0;
}
return retValue;
}
#else
int Util::ConvertWideCharToMultiByte(const wchar_t* aSource, int aSourceLen, char* aTarget, int aTargetLen, TUint32 aCodePage)
{
if(0 == aCodePage)
{
aCodePage = CP_OEMCP;
}
return WideCharToMultiByte( aCodePage, 0, aSource, aSourceLen, aTarget, aTargetLen, NULL, NULL);
}
int Util::ConvertMultiByteToWideChar(const char* aSource, int aSourceLen, wchar_t* aTarget, int aTargetLen, TUint32 aCodePage)
{
if(0 == aCodePage)
{
aCodePage = CP_OEMCP;
}
return MultiByteToWideChar( aCodePage, 0, aSource, aSourceLen, aTarget, aTargetLen);
}
#endif // __linux__
std::wstring Util::string2wstring (const char* aNarrow)
{
std::string narrowStr(aNarrow);
int max = ConvertMultiByteToWideChar(aNarrow, strlen(aNarrow),0,0);
std::wstring reply;
if (max > 0 )
{
wchar_t* buffer = new wchar_t [max];
try
{
ConvertMultiByteToWideChar(aNarrow, strlen(aNarrow),buffer,max);
reply = std::wstring (buffer, max);
}
catch (...)
{
}
delete [] buffer;
}
return reply;
}
DllExport int Util::WideCharToInteger(const wchar_t* aWideChar)
{
unsigned long int value=0;
std::wstringstream str(aWideChar);
str >> value;
return value;
}
TInt64 Util::WideCharToInt64(const wchar_t* aWideChar)
{
TInt64 value=0;
std::wstringstream str(aWideChar);
str >> value;
return value;
}
DllExport const std::wstring Util::IntegerToWideString(int aInt)
{
std::wstringstream wstream;
wstream << aInt;
return wstream.str();
}
std::string Util::Base64Encode( const std::string& aBinaryData )
{
BIO *b64 = BIO_new(BIO_f_base64());
BIO *mem = BIO_new(BIO_s_mem());
mem = BIO_push(b64, mem);
BIO_write(mem, aBinaryData.c_str(), aBinaryData.length());
BIO_flush(b64);
BUF_MEM *bptr;
BIO_get_mem_ptr(mem, &bptr);
std::string encodedString(bptr->data, bptr->length);
BIO_free_all(b64);
return encodedString;
}
std::string Util::Base64Decode( const std::string& aEncodedData )
{
unsigned char* pIn = aEncodedData.c_str();
int inLen = aEncodedData.length();
unsigned char* pOut = new unsigned char[inLen];
int outLen;
std::string aDecodeData;
// create a memory buffer containing base64 encoded data
BIO* bmem = BIO_new_mem_buf((void*)pIn, inLen);
// push a Base64 filter so that reading from buffer decodes it
BIO *bioCmd = BIO_new(BIO_f_base64());
// we don't want newlines
BIO_set_flags(bioCmd, BIO_FLAGS_BASE64_NO_NL);
bmem = BIO_push(bioCmd, bmem);
int finalLen = BIO_read(bmem, (void*)pOut, outLen);
aDecodeData.assign(pOut, pOut+finalLen);
delete pOut;
BIO_free_all(bmem);
return aDecodeData;
}
TUint32 Util::Crc32(const void* aPtr, TInt aLength)
{
const TUint8* p = (const TUint8*)aPtr;
const TUint8* q = p + aLength;
TUint32 crc = 0;
while (p < q)
crc = (crc >> 8) ^ CrcTab32[(crc ^ *p++) & 0xff];
return crc;
}