Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 229 insertions, 0 deletions

diff --git a/oox/source/docprop/ooxmldocpropimport.cxx b/oox/source/docprop/ooxmldocpropimport.cxx
new file mode 100644
index 000000000..f58476c56
--- /dev/null
+++ b/oox/source/docprop/ooxmldocpropimport.cxx
@@ -0,0 +1,229 @@
+/* -*- 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: */