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 <com/sun/star/xml/sax/InputSource.hpp>
  30 #include <oox/core/fastparser.hxx>
  31 #include <oox/core/relations.hxx>
  32 #include <oox/helper/containerhelper.hxx>
  33 #include "docprophandler.hxx"
  34
  35 #include <cppuhelper/supportsservice.hxx>
  36
  37 using namespace ::com::sun::star;
  38
  39 namespace oox::docprop {
  40
  41 using namespace ::com::sun::star::beans;
  42 using namespace ::com::sun::star::document;
  43 using namespace ::com::sun::star::embed;
  44 using namespace ::com::sun::star::io;
  45 using namespace ::com::sun::star::lang;
  46 using namespace ::com::sun::star::uno;
  47 using namespace ::com::sun::star::xml::sax;
  48
  49 namespace {
  50
  51 /// @throws RuntimeException
  52 /// @throws css::io::IOException
  53 Sequence< InputSource > lclGetRelatedStreams( const Reference< XStorage >& rxStorage, const OUString& rStreamType )
  54 {
  55     Reference< XRelationshipAccess > xRelation( rxStorage, UNO_QUERY_THROW );
  56     Reference< XHierarchicalStorageAccess > xHierarchy( rxStorage, UNO_QUERY_THROW );
  57
  58     const Sequence< Sequence< StringPair > > aPropsInfo = xRelation->getRelationshipsByType( rStreamType );
  59
  60     ::std::vector< InputSource > aResult;
  61
  62     for( const Sequence< StringPair >& rEntries : aPropsInfo )
  63     {
  64         auto pEntry = std::find_if(rEntries.begin(), rEntries.end(),
  65             [](const StringPair& rEntry) { return rEntry.First == "Target"; });
  66         if (pEntry != rEntries.end())
  67         {
  68             // The stream path is always a relative one, ignore the leading "/" if it's there.
  69             OUString aStreamPath = pEntry->Second;
  70             if (aStreamPath.startsWith("/"))
  71                 aStreamPath = aStreamPath.copy(1);
  72
  73             Reference< XExtendedStorageStream > xExtStream(
  74                 xHierarchy->openStreamElementByHierarchicalName( aStreamPath, ElementModes::READ ), UNO_SET_THROW );
  75             Reference< XInputStream > xInStream = xExtStream->getInputStream();
  76             if( xInStream.is() )
  77             {
  78                 aResult.emplace_back();
  79                 aResult.back().sSystemId = pEntry->Second;
  80                 aResult.back().aInputStream = xExtStream->getInputStream();
  81             }
  82         }
  83     }
  84
  85     return ContainerHelper::vectorToSequence( aResult );
  86 }
  87
  88 } // namespace
  89
  90 DocumentPropertiesImport::DocumentPropertiesImport( const Reference< XComponentContext >& rxContext ) :
  91     mxContext( rxContext )
  92 {
  93 }
  94
  95 // XServiceInfo
  96 OUString SAL_CALL DocumentPropertiesImport::getImplementationName()
  97 {
  98     return "com.sun.star.comp.oox.docprop.DocumentPropertiesImporter";
  99 }
 100
 101 sal_Bool SAL_CALL DocumentPropertiesImport::supportsService( const OUString& rServiceName )
 102 {
 103     return cppu::supportsService(this, rServiceName);
 104 }
 105
 106 Sequence< OUString > SAL_CALL DocumentPropertiesImport::getSupportedServiceNames()
 107 {
 108     Sequence<OUString> aServices { "com.sun.star.document.OOXMLDocumentPropertiesImporter" };
 109     return aServices;
 110 }
 111
 112 // XOOXMLDocumentPropertiesImporter
 113 void SAL_CALL DocumentPropertiesImport::importProperties(
 114         const Reference< XStorage >& rxSource, const Reference< XDocumentProperties >& rxDocumentProperties )
 115 {
 116     if( !mxContext.is() )
 117         throw RuntimeException();
 118
 119     if( !rxSource.is() || !rxDocumentProperties.is() )
 120         throw IllegalArgumentException();
 121
 122     Sequence< InputSource > aCoreStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE( "metadata/core-properties" ) );
 123     // OOXML strict
 124     if( !aCoreStreams.hasElements() )
 125         aCoreStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE_STRICT( "metadata/core-properties" ) );
 126     // MS Office seems to have a bug, so we have to do similar handling
 127     if( !aCoreStreams.hasElements() )
 128         aCoreStreams = lclGetRelatedStreams( rxSource, "http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties" );
 129
 130     Sequence< InputSource > aExtStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE( "extended-properties" ) );
 131     // OOXML strict
 132     if( !aExtStreams.hasElements() )
 133         aExtStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE_STRICT( "extended-properties" ) );
 134     Sequence< InputSource > aCustomStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE( "custom-properties" ) );
 135     // OOXML strict
 136     if( !aCustomStreams.hasElements() )
 137         aCustomStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE_STRICT( "custom-properties" ) );
 138
 139     if( !(aCoreStreams.hasElements() || aExtStreams.hasElements() || aCustomStreams.hasElements()) )
 140         return;
 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 } // namespace oox::docprop
 163
 164 extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface*
 165 com_sun_star_comp_oox_docprop_DocumentPropertiesImporter_get_implementation(
 166     uno::XComponentContext* pCtx, uno::Sequence<uno::Any> const& /*rSeq*/)
 167 {
 168     return cppu::acquire(new oox::docprop::DocumentPropertiesImport(pCtx));
 169 }
 170
 171 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */