oox/source/docprop/ooxmldocpropimport.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "ooxmldocpropimport.hxx"
  21
  22 #include <vector>
  23 #include <com/sun/star/embed/ElementModes.hpp>
  24 #include <com/sun/star/embed/XHierarchicalStorageAccess.hpp>
  25 #include <com/sun/star/embed/XRelationshipAccess.hpp>
  26 #include <com/sun/star/embed/XStorage.hpp>
  27 #include <com/sun/star/io/IOException.hpp>
  28 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  29 #include <oox/core/fastparser.hxx>
  30 #include <oox/core/relations.hxx>
  31 #include <oox/helper/containerhelper.hxx>
  32 #include <oox/helper/helper.hxx>
  33 #include "docprophandler.hxx"
  34
  35 #include <cppuhelper/supportsservice.hxx>
  36
  37 using namespace ::com::sun::star;
  38
  39 namespace oox {
  40 namespace docprop {
  41
  42 using namespace ::com::sun::star::beans;
  43 using namespace ::com::sun::star::document;
  44 using namespace ::com::sun::star::embed;
  45 using namespace ::com::sun::star::io;
  46 using namespace ::com::sun::star::lang;
  47 using namespace ::com::sun::star::uno;
  48 using namespace ::com::sun::star::xml::sax;
  49
  50 namespace {
  51
  52 /// @throws RuntimeException
  53 /// @throws css::io::IOException
  54 Sequence< InputSource > lclGetRelatedStreams( const Reference< XStorage >& rxStorage, const OUString& rStreamType )
  55 {
  56     Reference< XRelationshipAccess > xRelation( rxStorage, UNO_QUERY_THROW );
  57     Reference< XHierarchicalStorageAccess > xHierarchy( rxStorage, UNO_QUERY_THROW );
  58
  59     const Sequence< Sequence< StringPair > > aPropsInfo = xRelation->getRelationshipsByType( rStreamType );
  60
  61     ::std::vector< InputSource > aResult;
  62
  63     for( const Sequence< StringPair >& rEntries : aPropsInfo )
  64     {
  65         auto pEntry = std::find_if(rEntries.begin(), rEntries.end(),
  66             [](const StringPair& rEntry) { return rEntry.First == "Target"; });
  67         if (pEntry != rEntries.end())
  68         {
  69             // The stream path is always a relative one, ignore the leading "/" if it's there.
  70             OUString aStreamPath = pEntry->Second;
  71             if (aStreamPath.startsWith("/"))
  72                 aStreamPath = aStreamPath.copy(1);
  73
  74             Reference< XExtendedStorageStream > xExtStream(
  75                 xHierarchy->openStreamElementByHierarchicalName( aStreamPath, ElementModes::READ ), UNO_SET_THROW );
  76             Reference< XInputStream > xInStream = xExtStream->getInputStream();
  77             if( xInStream.is() )
  78             {
  79                 aResult.emplace_back();
  80                 aResult.back().sSystemId = pEntry->Second;
  81                 aResult.back().aInputStream = xExtStream->getInputStream();
  82             }
  83         }
  84     }
  85
  86     return ContainerHelper::vectorToSequence( aResult );
  87 }
  88
  89 } // namespace
  90
  91 DocumentPropertiesImport::DocumentPropertiesImport( const Reference< XComponentContext >& rxContext ) :
  92     mxContext( rxContext )
  93 {
  94 }
  95
  96 // XServiceInfo
  97 OUString SAL_CALL DocumentPropertiesImport::getImplementationName()
  98 {
  99     return "com.sun.star.comp.oox.docprop.DocumentPropertiesImporter";
 100 }
 101
 102 sal_Bool SAL_CALL DocumentPropertiesImport::supportsService( const OUString& rServiceName )
 103 {
 104     return cppu::supportsService(this, rServiceName);
 105 }
 106
 107 Sequence< OUString > SAL_CALL DocumentPropertiesImport::getSupportedServiceNames()
 108 {
 109     Sequence<OUString> aServices { "com.sun.star.document.OOXMLDocumentPropertiesImporter" };
 110     return aServices;
 111 }
 112
 113 // XOOXMLDocumentPropertiesImporter
 114 void SAL_CALL DocumentPropertiesImport::importProperties(
 115         const Reference< XStorage >& rxSource, const Reference< XDocumentProperties >& rxDocumentProperties )
 116 {
 117     if( !mxContext.is() )
 118         throw RuntimeException();
 119
 120     if( !rxSource.is() || !rxDocumentProperties.is() )
 121         throw IllegalArgumentException();
 122
 123     Sequence< InputSource > aCoreStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE( "metadata/core-properties" ) );
 124     // OOXML strict
 125     if( !aCoreStreams.hasElements() )
 126         aCoreStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE_STRICT( "metadata/core-properties" ) );
 127     // MS Office seems to have a bug, so we have to do similar handling
 128     if( !aCoreStreams.hasElements() )
 129         aCoreStreams = lclGetRelatedStreams( rxSource, "http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties" );
 130
 131     Sequence< InputSource > aExtStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE( "extended-properties" ) );
 132     // OOXML strict
 133     if( !aExtStreams.hasElements() )
 134         aExtStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE_STRICT( "extended-properties" ) );
 135     Sequence< InputSource > aCustomStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE( "custom-properties" ) );
 136     // OOXML strict
 137     if( !aCustomStreams.hasElements() )
 138         aCustomStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE_STRICT( "custom-properties" ) );
 139
 140     if( aCoreStreams.hasElements() || aExtStreams.hasElements() || aCustomStreams.hasElements() )
 141     {
 142         if( aCoreStreams.getLength() > 1 )
 143             throw IOException( "Unexpected core properties stream!" );
 144
 145         ::oox::core::FastParser aParser;
 146         aParser.registerNamespace( NMSP_packageMetaCorePr );
 147         aParser.registerNamespace( NMSP_dc );
 148         aParser.registerNamespace( NMSP_dcTerms );
 149         aParser.registerNamespace( NMSP_officeExtPr );
 150         aParser.registerNamespace( NMSP_officeCustomPr );
 151         aParser.registerNamespace( NMSP_officeDocPropsVT );
 152         aParser.setDocumentHandler( new OOXMLDocPropHandler( mxContext, rxDocumentProperties ) );
 153
 154         if( aCoreStreams.hasElements() )
 155             aParser.parseStream( aCoreStreams[ 0 ], true );
 156         for( const auto& rExtStream : std::as_const(aExtStreams) )
 157             aParser.parseStream( rExtStream, true );
 158         for( const auto& rCustomStream : std::as_const(aCustomStreams) )
 159             aParser.parseStream( rCustomStream, true );
 160     }
 161 }
 162
 163 } // namespace docprop
 164 } // namespace oox
 165
 166 extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface*
 167 com_sun_star_comp_oox_docprop_DocumentPropertiesImporter_get_implementation(
 168     uno::XComponentContext* pCtx, uno::Sequence<uno::Any> const& /*rSeq*/)
 169 {
 170     return cppu::acquire(new oox::docprop::DocumentPropertiesImport(pCtx));
 171 }
 172
 173 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */