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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 "ooxmldocpropimport.hxx"
#include <vector>
#include <com/sun/star/embed/ElementModes.hpp>
#include <com/sun/star/embed/XHierarchicalStorageAccess.hpp>
#include <com/sun/star/embed/XRelationshipAccess.hpp>
#include <com/sun/star/embed/XStorage.hpp>
#include <com/sun/star/io/IOException.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/xml/sax/InputSource.hpp>
#include <oox/core/fastparser.hxx>
#include <oox/core/relations.hxx>
#include "docprophandler.hxx"
#include <comphelper/sequence.hxx>
#include <cppuhelper/supportsservice.hxx>
using namespace ::com::sun::star;
namespace oox::docprop {
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::document;
using namespace ::com::sun::star::embed;
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::xml::sax;
namespace {
/// @throws RuntimeException
/// @throws css::io::IOException
Sequence< InputSource > lclGetRelatedStreams( const Reference< XStorage >& rxStorage, const OUString& rStreamType )
{
Reference< XRelationshipAccess > xRelation( rxStorage, UNO_QUERY_THROW );
Reference< XHierarchicalStorageAccess > xHierarchy( rxStorage, UNO_QUERY_THROW );
const Sequence< Sequence< StringPair > > aPropsInfo = xRelation->getRelationshipsByType( rStreamType );
::std::vector< InputSource > aResult;
for( const Sequence< StringPair >& rEntries : aPropsInfo )
{
auto pEntry = std::find_if(rEntries.begin(), rEntries.end(),
[](const StringPair& rEntry) { return rEntry.First == "Target"; });
if (pEntry != rEntries.end())
{
// The stream path is always a relative one, ignore the leading "/" if it's there.
OUString aStreamPath = pEntry->Second;
if (aStreamPath.startsWith("/"))
aStreamPath = aStreamPath.copy(1);
Reference< XExtendedStorageStream > xExtStream(
xHierarchy->openStreamElementByHierarchicalName( aStreamPath, ElementModes::READ ), UNO_SET_THROW );
Reference< XInputStream > xInStream = xExtStream->getInputStream();
if( xInStream.is() )
{
aResult.emplace_back();
aResult.back().sSystemId = pEntry->Second;
aResult.back().aInputStream = xExtStream->getInputStream();
}
}
}
return comphelper::containerToSequence( aResult );
}
Sequence< InputSource > lclGetCoreStreams(const Reference< XStorage >& rxSource)
{
Sequence< InputSource > aCoreStreams = lclGetRelatedStreams(rxSource, CREATE_OFFICEDOC_RELATION_TYPE("metadata/core-properties"));
// OOXML strict
if (!aCoreStreams.hasElements())
aCoreStreams = lclGetRelatedStreams(rxSource, CREATE_OFFICEDOC_RELATION_TYPE_STRICT("metadata/core-properties"));
// MS Office seems to have a bug, so we have to do similar handling
if (!aCoreStreams.hasElements())
aCoreStreams = lclGetRelatedStreams(rxSource, "http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties");
return aCoreStreams;
}
Sequence< InputSource > lclGetExtStreams(const Reference< XStorage >& rxSource)
{
Sequence< InputSource > aExtStreams = lclGetRelatedStreams(rxSource, CREATE_OFFICEDOC_RELATION_TYPE("extended-properties"));
// OOXML strict
if (!aExtStreams.hasElements())
aExtStreams = lclGetRelatedStreams(rxSource, CREATE_OFFICEDOC_RELATION_TYPE_STRICT("extended-properties"));
return aExtStreams;
}
Sequence< InputSource > lclGetCustomStreams(const Reference< XStorage >& rxSource)
{
Sequence< InputSource > aCustomStreams = lclGetRelatedStreams(rxSource, CREATE_OFFICEDOC_RELATION_TYPE("custom-properties"));
// OOXML strict
if (!aCustomStreams.hasElements())
aCustomStreams = lclGetRelatedStreams(rxSource, CREATE_OFFICEDOC_RELATION_TYPE_STRICT("custom-properties"));
return aCustomStreams;
}
} // namespace
DocumentPropertiesImport::DocumentPropertiesImport( const Reference< XComponentContext >& rxContext ) :
mxContext( rxContext )
{
}
// XServiceInfo
OUString SAL_CALL DocumentPropertiesImport::getImplementationName()
{
return "com.sun.star.comp.oox.docprop.DocumentPropertiesImporter";
}
sal_Bool SAL_CALL DocumentPropertiesImport::supportsService( const OUString& rServiceName )
{
return cppu::supportsService(this, rServiceName);
}
Sequence< OUString > SAL_CALL DocumentPropertiesImport::getSupportedServiceNames()
{
Sequence<OUString> aServices { "com.sun.star.document.OOXMLDocumentPropertiesImporter" };
return aServices;
}
// XOOXMLDocumentPropertiesImporter
void SAL_CALL DocumentPropertiesImport::importProperties(
const Reference< XStorage >& rxSource, const Reference< XDocumentProperties >& rxDocumentProperties )
{
if( !mxContext.is() )
throw RuntimeException();
if( !rxSource.is() || !rxDocumentProperties.is() )
throw IllegalArgumentException();
Sequence< InputSource > aCoreStreams = lclGetCoreStreams(rxSource);
Sequence< InputSource > aExtStreams = lclGetExtStreams(rxSource);
Sequence< InputSource > aCustomStreams = lclGetCustomStreams(rxSource);
if( !(aCoreStreams.hasElements() || aExtStreams.hasElements() || aCustomStreams.hasElements()) )
return;
if( aCoreStreams.getLength() > 1 )
throw IOException( "Unexpected core properties stream!" );
::oox::core::FastParser aParser;
aParser.registerNamespace( NMSP_packageMetaCorePr );
aParser.registerNamespace( NMSP_dc );
aParser.registerNamespace( NMSP_dcTerms );
aParser.registerNamespace( NMSP_officeExtPr );
aParser.registerNamespace( NMSP_officeCustomPr );
aParser.registerNamespace( NMSP_officeDocPropsVT );
aParser.setDocumentHandler( new OOXMLDocPropHandler( mxContext, rxDocumentProperties ) );
if( aCoreStreams.hasElements() )
aParser.parseStream( aCoreStreams[ 0 ], true );
for( const auto& rExtStream : std::as_const(aExtStreams) )
aParser.parseStream( rExtStream, true );
for( const auto& rCustomStream : std::as_const(aCustomStreams) )
aParser.parseStream( rCustomStream, true );
}
Reference < com::sun::star::io::XInputStream > SAL_CALL DocumentPropertiesImport::getCorePropertiesStream(
const Reference< XStorage >& rxSource)
{
Sequence< InputSource > aCoreStreams = lclGetCoreStreams(rxSource);
if (!aCoreStreams.hasElements())
return nullptr;
return aCoreStreams[0].aInputStream;
}
Reference < com::sun::star::io::XInputStream > SAL_CALL DocumentPropertiesImport::getExtendedPropertiesStream(
const Reference< XStorage >& rxSource)
{
Sequence< InputSource > aExtStreams = lclGetExtStreams(rxSource);
if (!aExtStreams.hasElements())
return nullptr;
return aExtStreams[0].aInputStream;
}
css::uno::Sequence< css::uno::Reference< com::sun::star::io::XInputStream > > SAL_CALL DocumentPropertiesImport::getCustomPropertiesStreams(
const Reference< XStorage >& rxSource)
{
Sequence <InputSource> aExtStreams = lclGetCustomStreams(rxSource);
// Repack the sequence
std::vector<Reference<XInputStream>> aResult(aExtStreams.getLength());
for (const auto& aInputSource : aExtStreams)
{
aResult.push_back(aInputSource.aInputStream);
}
return comphelper::containerToSequence(aResult);
}
} // namespace oox::docprop
extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface*
com_sun_star_comp_oox_docprop_DocumentPropertiesImporter_get_implementation(
uno::XComponentContext* pCtx, uno::Sequence<uno::Any> const& /*rSeq*/)
{
return cppu::acquire(new oox::docprop::DocumentPropertiesImport(pCtx));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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