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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "pdfiadaptor.hxx"
#include "filterdet.hxx"
#include <saxemitter.hxx>
#include <odfemitter.hxx>
#include "inc/wrapper.hxx"
#include <pdfiprocessor.hxx>
#include <osl/file.h>
#include <sal/log.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/lang/XMultiComponentFactory.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <tools/diagnose_ex.h>
#include <memory>
using namespace com::sun::star;
namespace pdfi
{
PDFIHybridAdaptor::PDFIHybridAdaptor( const uno::Reference< uno::XComponentContext >& xContext ) :
PDFIHybridAdaptorBase( m_aMutex ),
m_xContext( xContext ),
m_xModel()
{
}
// XFilter
sal_Bool SAL_CALL PDFIHybridAdaptor::filter( const uno::Sequence< beans::PropertyValue >& rFilterData )
{
bool bRet = false;
if( m_xModel.is() )
{
uno::Reference< io::XStream > xSubStream;
OUString aPwd;
const beans::PropertyValue* pAttribs = rFilterData.getConstArray();
sal_Int32 nAttribs = rFilterData.getLength();
sal_Int32 nPwPos = -1;
for( sal_Int32 i = 0; i < nAttribs; i++ )
{
SAL_INFO("sdext.pdfimport", "filter: Attrib: " << pAttribs[i].Name
<< " = " << (pAttribs[i].Value.has<OUString>()
? pAttribs[i].Value.get<OUString>()
: OUString("<no string>"))
<< "\n");
if ( pAttribs[i].Name == "EmbeddedSubstream" )
pAttribs[i].Value >>= xSubStream;
else if ( pAttribs[i].Name == "Password" )
{
nPwPos = i;
pAttribs[i].Value >>= aPwd;
}
}
bool bAddPwdProp = false;
if( ! xSubStream.is() )
{
uno::Reference< io::XInputStream > xInput;
auto pAttr = std::find_if(rFilterData.begin(), rFilterData.end(),
[](const beans::PropertyValue& rAttr) { return rAttr.Name == "InputStream"; });
if (pAttr != rFilterData.end())
pAttr->Value >>= xInput;
if( xInput.is() )
{
// TODO(P2): extracting hybrid substream twice - once during detection, second time here
uno::Reference< io::XSeekable > xSeek( xInput, uno::UNO_QUERY );
if( xSeek.is() )
xSeek->seek( 0 );
oslFileHandle aFile = nullptr;
sal_uInt64 nWritten = 0;
OUString aURL;
if( osl_createTempFile( nullptr, &aFile, &aURL.pData ) == osl_File_E_None )
{
SAL_INFO("sdext.pdfimport", "created temp file " << aURL);
const sal_Int32 nBufSize = 4096;
uno::Sequence<sal_Int8> aBuf(nBufSize);
// copy the bytes
sal_Int32 nBytes;
do
{
nBytes = xInput->readBytes( aBuf, nBufSize );
if( nBytes > 0 )
{
osl_writeFile( aFile, aBuf.getConstArray(), nBytes, &nWritten );
if( static_cast<sal_Int32>(nWritten) != nBytes )
{
xInput.clear();
break;
}
}
} while( nBytes == nBufSize );
osl_closeFile( aFile );
if( xInput.is() )
{
OUString aEmbedMimetype;
OUString aOrgPwd( aPwd );
xSubStream = getAdditionalStream( aURL, aEmbedMimetype, aPwd, m_xContext, rFilterData, true );
if( aOrgPwd != aPwd )
bAddPwdProp = true;
}
osl_removeFile( aURL.pData );
}
else
xSubStream.clear();
}
}
if( xSubStream.is() )
{
uno::Sequence< uno::Any > aArgs( 2 );
aArgs[0] <<= m_xModel;
aArgs[1] <<= xSubStream;
SAL_INFO("sdext.pdfimport", "try to instantiate subfilter" );
uno::Reference< document::XFilter > xSubFilter;
try {
xSubFilter.set(
m_xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
"com.sun.star.document.OwnSubFilter",
aArgs,
m_xContext ),
uno::UNO_QUERY );
}
catch(const uno::Exception&)
{
TOOLS_INFO_EXCEPTION("sdext.pdfimport", "subfilter");
}
SAL_INFO("sdext.pdfimport", "subfilter: " << xSubFilter.get() );
if( xSubFilter.is() )
{
if( bAddPwdProp )
{
uno::Sequence<beans::PropertyValue> aFilterData( rFilterData );
if( nPwPos == -1 )
{
nPwPos = aFilterData.getLength();
aFilterData.realloc( nPwPos+1 );
aFilterData[nPwPos].Name = "Password";
}
aFilterData[nPwPos].Value <<= aPwd;
bRet = xSubFilter->filter( aFilterData );
}
else
bRet = xSubFilter->filter( rFilterData );
}
}
else
SAL_INFO("sdext.pdfimport", "PDFIAdaptor::filter: no embedded substream set" );
}
else
SAL_INFO("sdext.pdfimport", "PDFIAdaptor::filter: no model set" );
return bRet;
}
void SAL_CALL PDFIHybridAdaptor::cancel()
{
}
//XImporter
void SAL_CALL PDFIHybridAdaptor::setTargetDocument( const uno::Reference< lang::XComponent >& xDocument )
{
SAL_INFO("sdext.pdfimport", "PDFIAdaptor::setTargetDocument" );
m_xModel.set( xDocument, uno::UNO_QUERY );
if( xDocument.is() && ! m_xModel.is() )
throw lang::IllegalArgumentException();
}
OUString PDFIHybridAdaptor::getImplementationName()
{
return "org.libreoffice.comp.documents.HybridPDFImport";
}
sal_Bool PDFIHybridAdaptor::supportsService(OUString const & ServiceName)
{
return cppu::supportsService(this, ServiceName);
}
css::uno::Sequence<OUString> PDFIHybridAdaptor::getSupportedServiceNames()
{
return css::uno::Sequence<OUString>{"com.sun.star.document.ImportFilter"};
}
PDFIRawAdaptor::PDFIRawAdaptor( OUString const & implementationName, const uno::Reference< uno::XComponentContext >& xContext ) :
PDFIAdaptorBase( m_aMutex ),
m_implementationName(implementationName),
m_xContext( xContext ),
m_xModel(),
m_pVisitorFactory()
{
}
void PDFIRawAdaptor::setTreeVisitorFactory(const TreeVisitorFactorySharedPtr& rVisitorFactory)
{
m_pVisitorFactory = rVisitorFactory;
}
bool PDFIRawAdaptor::parse( const uno::Reference<io::XInputStream>& xInput,
const uno::Reference<task::XInteractionHandler>& xIHdl,
const OUString& rPwd,
const uno::Reference<task::XStatusIndicator>& xStatus,
const XmlEmitterSharedPtr& rEmitter,
const OUString& rURL,
const OUString& rFilterOptions )
{
// container for metaformat
auto pSink = std::make_shared<PDFIProcessor>(xStatus, m_xContext);
bool bSuccess=false;
if( xInput.is() )
bSuccess = xpdf_ImportFromStream( xInput, pSink, xIHdl,
rPwd, m_xContext, rFilterOptions );
else
bSuccess = xpdf_ImportFromFile( rURL, pSink, xIHdl,
rPwd, m_xContext, rFilterOptions );
if( bSuccess )
pSink->emit(*rEmitter,*m_pVisitorFactory);
return bSuccess;
}
bool PDFIRawAdaptor::odfConvert( const OUString& rURL,
const uno::Reference<io::XOutputStream>& xOutput,
const uno::Reference<task::XStatusIndicator>& xStatus )
{
XmlEmitterSharedPtr pEmitter = createOdfEmitter(xOutput);
const bool bSuccess = parse(uno::Reference<io::XInputStream>(),
uno::Reference<task::XInteractionHandler>(),
OUString(),
xStatus,pEmitter,rURL, "");
// tell input stream that it is no longer needed
xOutput->closeOutput();
return bSuccess;
}
// XImportFilter
sal_Bool SAL_CALL PDFIRawAdaptor::importer( const uno::Sequence< beans::PropertyValue >& rSourceData,
const uno::Reference< xml::sax::XDocumentHandler >& rHdl,
const uno::Sequence< OUString >& /*rUserData*/ )
{
// get the InputStream carrying the PDF content
uno::Reference< io::XInputStream > xInput;
uno::Reference< task::XStatusIndicator > xStatus;
uno::Reference< task::XInteractionHandler > xInteractionHandler;
OUString aURL;
OUString aPwd;
OUString aFilterOptions;
for( const beans::PropertyValue& rAttrib : rSourceData )
{
SAL_INFO("sdext.pdfimport", "importer Attrib: " << rAttrib.Name );
if ( rAttrib.Name == "InputStream" )
rAttrib.Value >>= xInput;
else if ( rAttrib.Name == "URL" )
rAttrib.Value >>= aURL;
else if ( rAttrib.Name == "StatusIndicator" )
rAttrib.Value >>= xStatus;
else if ( rAttrib.Name == "InteractionHandler" )
rAttrib.Value >>= xInteractionHandler;
else if ( rAttrib.Name == "Password" )
rAttrib.Value >>= aPwd;
else if ( rAttrib.Name == "FilterOptions" )
rAttrib.Value >>= aFilterOptions;
}
if( !xInput.is() )
return false;
XmlEmitterSharedPtr pEmitter = createSaxEmitter(rHdl);
const bool bSuccess = parse(xInput, xInteractionHandler,
aPwd, xStatus, pEmitter, aURL, aFilterOptions);
// tell input stream that it is no longer needed
xInput->closeInput();
xInput.clear();
return bSuccess;
}
//XImporter
void SAL_CALL PDFIRawAdaptor::setTargetDocument( const uno::Reference< lang::XComponent >& xDocument )
{
SAL_INFO("sdext.pdfimport", "PDFIAdaptor::setTargetDocument" );
m_xModel.set( xDocument, uno::UNO_QUERY );
if( xDocument.is() && ! m_xModel.is() )
throw lang::IllegalArgumentException();
}
OUString PDFIRawAdaptor::getImplementationName()
{
return m_implementationName;
}
sal_Bool PDFIRawAdaptor::supportsService(OUString const & ServiceName)
{
return cppu::supportsService(this, ServiceName);
}
css::uno::Sequence<OUString> PDFIRawAdaptor::getSupportedServiceNames()
{
return css::uno::Sequence<OUString>{"com.sun.star.document.ImportFilter"};
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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