コード例 #1
0
// This function will base64 ENCODE theData,
// and then Set() that as the string contents.
// Additionally it will pack and compress the data!
//
bool OTASCIIArmor::SetAndPackData(const OTData & theData, bool bLineBreaks/*=true*/)
{
	char *	pString	= NULL;
	
	Release();
	
	if (theData.GetSize() < 1)
		return true;
	// --------------------------------------------------------
	OTDB::OTPacker * pPacker = OTASCIIArmor::GetPacker(); // No need to check for failure, since this already ASSERTS. No need to cleanup either.
	
	// Here I use the default storage context to create the object (the blob.)
	// I also originally created OTASCIIArmor::GetPacker() using OTDB_DEFAULT_PACKER,
	// so I know everything is compatible.
	//
	OTDB::Blob * pBlob = dynamic_cast<OTDB::Blob *>(OTDB::CreateObject(OTDB::STORED_OBJ_BLOB));
	
	OT_ASSERT(NULL != pBlob); // Beyond this point, responsible to delete pBlob.
	OTCleanup<OTDB::Blob> theBlobAngel(*pBlob); // make sure memory is cleaned up.
	// ----------------------------
	pBlob->m_memBuffer.assign(static_cast<const unsigned char *>(theData.GetPointer()), 
							  static_cast<const unsigned char *>(theData.GetPointer())+theData.GetSize());
		
	OTDB::PackedBuffer * pBuffer = pPacker->Pack(*pBlob); // Now we PACK our data before compressing/encoding it.
	
	if (NULL == pBuffer)
	{
		OTLog::Error("Failed packing data in OTASCIIArmor::SetAndPackData. \n");
		return false;
	}
	
	OTCleanup<OTDB::PackedBuffer> theBufferAngel(*pBuffer); // make sure memory is cleaned up.
	// --------------------------------------------------------
	const uint8_t* pUint = static_cast<const uint8_t*>(pBuffer->GetData());
	const size_t theSize = pBuffer->GetSize();
	
	if (NULL != pUint)
        pString = OTCrypto::It()->Base64Encode(pUint, static_cast<int>(theSize), bLineBreaks);
//		pString = OT_base64_encode(pUint, static_cast<int> (theSize), (bLineBreaks ? 1 : 0));
	else 
	{
		OTLog::Error("Error while base64_encoding in OTASCIIArmor::SetAndPackData.\n");
		return false;
	}
	// -------------------------------------
	if (NULL != pString)
	{
		Set(pString);
		delete [] pString; pString=NULL;
		return true;
	}
	else 
	{
		OTLog::Error("Error while base64_encoding in OTASCIIArmor::SetAndPackData.\n");
		return false;
	}
}
コード例 #2
0
// This function will base64 DECODE the string contents
// and return them as binary in theData
// Additionally it will decompress and unpack the data!
//
bool OTASCIIArmor::GetAndUnpackData(OTData & theData, bool bLineBreaks) const //linebreaks=true
{	
	size_t		outSize	= 0;
	uint8_t *	pData	= NULL;
	
	theData.Release();
	
	if (GetLength() < 1)
		return true;
	
	// --------------------------------------------------------------
	//
	pData = OT_base64_decode(Get(), &outSize, (bLineBreaks ? 1 : 0));
	
	if (pData)
	{
		// --------------------------------------------------------
		
		OTDB::OTPacker * pPacker = OTASCIIArmor::GetPacker(); // No need to check for failure, since this already ASSERTS. No need to cleanup either.
		
		OTDB::PackedBuffer * pBuffer = pPacker->CreateBuffer(); // Need to clean this up.
		OT_ASSERT(NULL != pBuffer);
		OTCleanup<OTDB::PackedBuffer> theBufferAngel(*pBuffer); // make sure buffer is deleted.
		
		pBuffer->SetData(static_cast<const unsigned char*>(pData), outSize);
		delete [] pData; pData=NULL; 
		// -----------------------------
		
		OTDB::Blob * pBlob = dynamic_cast<OTDB::Blob *>(OTDB::CreateObject(OTDB::STORED_OBJ_BLOB));
		OT_ASSERT(NULL != pBlob);
		OTCleanup<OTDB::Blob> theBlobAngel(*pBlob); // clean up this blob.
		
		bool bUnpacked = pPacker->Unpack(*pBuffer, *pBlob);
		
		// ----------------------
		
		if (false == bUnpacked)
		{
			OTLog::Error("Failed unpacking data in OTASCIIArmor::GetAndUnpackData.\n");
			delete [] pData; pData=NULL;
			return false;
		}
		
		// --------------------------------------------------------
		
		theData.Assign(pBlob->m_memBuffer.data(), pBlob->m_memBuffer.size());
		delete [] pData; pData=NULL;
		return true;
	}
	else 
	{
		OTLog::Error("Error while base64_decoding in OTASCIIArmor::GetAndUnpackData.\n");
		return false;
	}
}