core/OOXML/PPTXFormat/DrawingConverter/ASCOfficePPTXFileRealization.cpp

/*
 * Copyright (C) Ascensio System SIA, 2009-2026
 *
 * This program is a free software product. You can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License (AGPL)
 * version 3 as published by the Free Software Foundation, together with the
 * additional terms provided in the LICENSE file.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
 * details, see the GNU AGPL at: https://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA by email at info@onlyoffice.com
 * or by postal mail at 20A-6 Ernesta Birznieka-Upisha Street, Riga,
 * LV-1050, Latvia, European Union.
 *
 * The interactive user interfaces in modified versions of the Program
 * are required to display Appropriate Legal Notices in accordance with
 * Section 5 of the GNU AGPL version 3.
 *
 * No trademark rights are granted under this License.
 *
 * All non-code elements of the Product, including illustrations,
 * icon sets, and technical writing content, are licensed under the
 * Creative Commons Attribution-ShareAlike 4.0 International License:
 * https://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 * This license applies only to such non-code elements and does not
 * modify or replace the licensing terms applicable to the Program's
 * source code, which remains licensed under the GNU Affero General
 * Public License v3.
 *
 * SPDX-License-Identifier: AGPL-3.0-only
 */
#include "ASCOfficePPTXFile.h"

#if defined(_WIN32) || defined (_WIN64)
    #include <windows.h>
    #include <shellapi.h>
    #include <shlobj.h>
    #include <shlwapi.h>
    #pragma comment( lib, "Rpcrt4.lib" )
    #pragma comment( lib, "shell32.lib" ) // add shell32.lib
    #pragma comment( lib, "Shlwapi.lib" )
#else
#endif

#include "../../Binary/Presentation/PPTXWriter.h"
#include "../../../Common/OfficeFileErrorDescription.h"

CPPTXFile::CPPTXFile()
{
    m_bIsUseSystemFonts = false;
	m_bIsNoBase64 = false;
	m_bIsMacro = false;

	m_pPptxDocument		= NULL;
}

CPPTXFile::~CPPTXFile()
{
	RELEASEOBJECT(m_pPptxDocument);
}
_UINT32 CPPTXFile::LoadFromFile(std::wstring sSrcFileName, std::wstring sDstPath)
{
	std::wstring localTempDir(sDstPath);
    if(!localTempDir.empty())
	{
        bool res = NSDirectory::CreateDirectory(localTempDir);
        if (res == false) return AVS_FILEUTILS_ERROR_CONVERT;

		put_TempDirectory(sDstPath);
	}
	else
	{
		if (m_strTempDir.empty()) m_strTempDir = NSDirectory::GetTempPath();
		m_strTempDir = NSDirectory::CreateDirectoryWithUniqueName(m_strTempDir);

		if (m_strTempDir.empty()) return AVS_FILEUTILS_ERROR_CONVERT;
	}
	localTempDir = m_strTempDir;

	std::wstring srcFileName = sSrcFileName;

	localTempDir = sSrcFileName;

	RELEASEOBJECT(m_pPptxDocument);
	m_pPptxDocument = new PPTX::Document();

	if(!m_pPptxDocument->isValid(localTempDir))
	{
		RELEASEOBJECT(m_pPptxDocument);
		return AVS_FILEUTILS_ERROR_CONVERT;
	}
	if(false == m_pPptxDocument->read(localTempDir))
	{
		return AVS_FILEUTILS_ERROR_CONVERT;
	}
	smart_ptr<PPTX::Presentation> presentation = m_pPptxDocument->Get(OOX::Presentation::FileTypes::Presentation).smart_dynamic_cast<PPTX::Presentation>();
	if (!presentation.is_init())
	{
        NSDirectory::DeleteDirectory(m_strTempDir, false);
		return AVS_FILEUTILS_ERROR_CONVERT;
	}

    m_strDirectory = sSrcFileName;
    size_t nIndex = m_strDirectory.rfind(FILE_SEPARATOR_CHAR);
	if (std::wstring::npos != nIndex)
		m_strDirectory = m_strDirectory.substr(0, nIndex);

	return 0;
}
_UINT32 CPPTXFile::SaveToFile(std::wstring sDstFileName, std::wstring sSrcPath)
{
	if (NULL == m_pPptxDocument)
		return AVS_FILEUTILS_ERROR_CONVERT;

	OOX::CPath oPath;
	oPath.m_strFilename = std::wstring(sSrcPath);
	m_pPptxDocument->write(oPath);

	return 0;
}
void CPPTXFile::get_TempDirectory(std::wstring* pVal)
{
    *pVal = m_strTempDir;
}
HRESULT CPPTXFile::put_TempDirectory(std::wstring newVal)
{
    std::wstring TempStr(newVal);

#if defined(_WIN32) || defined (_WIN64)
    if(PathIsDirectoryW(TempStr.c_str()))
	{
        if(TempStr.substr(TempStr.length() - 2, 1) != L"\\")
			TempStr += L"\\";
		m_strTempDir = TempStr;
		return S_OK;
	}
#else
    if(NSDirectory::PathIsDirectory(TempStr))
    {
        if(TempStr[TempStr.length() - 1] != L'/')
            TempStr += L"/";
        m_strTempDir = TempStr;
    }
#endif
	return S_FALSE;
}
void CPPTXFile::SetEmbeddedFontsDirectory(std::wstring val)
{
    m_strEmbeddedFontsDirectory = val;
}
void CPPTXFile::SetMediaDir(std::wstring bsMediaDir) 
{
	m_strMediaDirectory = bsMediaDir;
}
void CPPTXFile::SetFontDir(std::wstring bsFontDir)
{
	m_strFontDirectory = bsFontDir;
}
void CPPTXFile::SetThemesDir(std::wstring bsDir)
{
	m_strFolderThemes = bsDir;
}
void CPPTXFile::SetUseSystemFonts(bool val)
{
    m_bIsUseSystemFonts = val;
}
void CPPTXFile::SetIsNoBase64(bool val)
{
	m_bIsNoBase64 = val;
}
void CPPTXFile::SetMacroEnabled(bool val)
{
	m_bIsMacro = val;
}
bool CPPTXFile::GetMacroEnabled()
{
	return m_bIsMacro;
}
_UINT32 CPPTXFile::OpenFileToPPTY(std::wstring bsInput, std::wstring bsOutput)
{
	if (m_strTempDir.empty()) m_strTempDir = NSDirectory::GetTempPath();
	m_strTempDir = NSDirectory::CreateDirectoryWithUniqueName(m_strTempDir);

	if (m_strTempDir.empty()) return S_FALSE;

	return OpenDirectoryToPPTY(bsInput, bsOutput);
}
_UINT32 CPPTXFile::OpenDirectoryToPPTY(std::wstring bsInput, std::wstring bsOutput)
{
	if (m_strTempDir.empty()) m_strTempDir = NSDirectory::GetTempPath();
	m_strTempDir = NSDirectory::CreateDirectoryWithUniqueName(m_strTempDir);

	OOX::CPath pathInputDirectory = bsInput;

	RELEASEOBJECT(m_pPptxDocument);
	m_pPptxDocument = new PPTX::Document();

	if (!m_pPptxDocument->isValid(pathInputDirectory.GetPath())) // true ???
	{
		RELEASEOBJECT(m_pPptxDocument);
		return AVS_FILEUTILS_ERROR_CONVERT;
	}

	bool res = m_pPptxDocument->read(pathInputDirectory.GetPath() + FILE_SEPARATOR_STR);
	if (false == res)
	{
		RELEASEOBJECT(m_pPptxDocument);
		return AVS_FILEUTILS_ERROR_CONVERT;
	}
	smart_ptr<PPTX::Presentation> presentation = m_pPptxDocument->Get(OOX::Presentation::FileTypes::Presentation).smart_dynamic_cast<PPTX::Presentation>();
	if (!presentation.is_init())
	{
        NSDirectory::DeleteDirectory(m_strTempDir, false);
		return AVS_FILEUTILS_ERROR_CONVERT;
	}

	m_strDirectory = pathInputDirectory.GetDirectory();

	NSBinPptxRW::CBinaryFileWriter oBinaryWriter;
	oBinaryWriter.m_pCommon->CheckFontPicker();
	oBinaryWriter.m_pCommon->m_pNativePicker->Init(m_strFontDirectory);

	OOX::CPath pathDstFileOutput = bsOutput;
	
	OOX::CPath pathMedia = pathDstFileOutput.GetDirectory() + FILE_SEPARATOR_STR + _T("media");

	m_strMediaDirectory = pathMedia.GetPath();
	oBinaryWriter.m_strMainFolder = pathDstFileOutput.GetDirectory();

 	oBinaryWriter.m_pCommon->m_pMediaManager->m_strDstMedia = m_strMediaDirectory;
	oBinaryWriter.m_pCommon->m_pMediaManager->SetFontManager(oBinaryWriter.m_pCommon->m_pNativePicker->m_pFontManager);

    NSDirectory::CreateDirectory(m_strMediaDirectory);

    if (!m_strEmbeddedFontsDirectory.empty())
	{
        NSDirectory::CreateDirectory(m_strEmbeddedFontsDirectory);

		if (NULL != oBinaryWriter.m_pCommon->m_pFontPicker)
		{
            oBinaryWriter.m_pCommon->m_pNativePicker->m_bIsEmbeddedFonts = true;
			oBinaryWriter.m_pCommon->m_pNativePicker->m_oEmbeddedFonts.m_strEmbeddedFontsFolder = m_strEmbeddedFontsDirectory;
		}
	}

	PPTX2EditorAdvanced::Convert(oBinaryWriter, *m_pPptxDocument, m_strDirectory, pathDstFileOutput.GetPath(), m_bIsNoBase64);

	return S_OK;
}

_UINT32 CPPTXFile::ConvertPPTYToPPTX(std::wstring bsInput, std::wstring bsOutput, std::wstring bsThemesFolder)//bsOutput can be file or directory
{
	OOX::CPath pathLocalTempDirectory = bsOutput; //output file - folder
	
	NSBinPptxRW::CPPTXWriter oWriter;
	oWriter.Init(pathLocalTempDirectory.GetPath(), m_bIsMacro);

	NSFile::CFileBinary oFileBinary;
	oFileBinary.OpenFile((std::wstring)bsInput);	
		LONG lFileSize = (LONG)oFileBinary.GetFileSize();
		BYTE* pSrcBuffer = new BYTE[lFileSize];
		oFileBinary.ReadFile(pSrcBuffer, (DWORD)lFileSize);
	oFileBinary.CloseFile();

	std::wstring strBsInput = bsInput;
    std::wstring srcFolder = NSDirectory::GetFolderPath(strBsInput);

	_UINT32 hRes = S_OK;
	
	try
	{
		oWriter.OpenPPTY(pSrcBuffer, lFileSize, srcFolder, bsThemesFolder);
	}
	catch(...)
	{
		hRes = S_FALSE;
	}
	RELEASEARRAYOBJECTS(pSrcBuffer);
	
	m_bIsMacro = oWriter.GetMacroEnabled();
	return hRes;
}