filter/source/storagefilterdetect/filterdetect.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 "filterdetect.hxx"
  21
  22 #include <comphelper/documentconstants.hxx>
  23 #include <comphelper/storagehelper.hxx>
  24 #include <cppuhelper/supportsservice.hxx>
  25 #include <unotools/mediadescriptor.hxx>
  26 #include <tools/urlobj.hxx>
  27 #include <sfx2/brokenpackageint.hxx>
  28
  29 #include <com/sun/star/beans/XPropertySet.hpp>
  30 #include <com/sun/star/embed/XStorage.hpp>
  31 #include <com/sun/star/io/XInputStream.hpp>
  32 #include <com/sun/star/packages/zip/ZipIOException.hpp>
  33 #include <com/sun/star/task/XInteractionHandler.hpp>
  34
  35 using namespace ::com::sun::star;
  36 using utl::MediaDescriptor;
  37
  38 namespace {
  39
  40 OUString getInternalFromMediaType(const OUString& aMediaType)
  41 {
  42     // OpenDocument types
  43     if (      aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_TEXT_ASCII )                  return "writer8";
  44     else if ( aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_TEXT_TEMPLATE_ASCII )         return "writer8_template";
  45     else if ( aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_TEXT_WEB_ASCII )              return "writerweb8_writer_template";
  46     else if ( aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_TEXT_GLOBAL_ASCII )           return "writerglobal8";
  47     else if ( aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_TEXT_GLOBAL_TEMPLATE_ASCII )  return "writerglobal8_template";
  48     else if ( aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_DRAWING_ASCII )               return "draw8";
  49     else if ( aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_DRAWING_TEMPLATE_ASCII )      return "draw8_template";
  50     else if ( aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_PRESENTATION_ASCII )          return "impress8";
  51     else if ( aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_PRESENTATION_TEMPLATE_ASCII ) return "impress8_template";
  52     else if ( aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_SPREADSHEET_ASCII )           return "calc8";
  53     else if ( aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_SPREADSHEET_TEMPLATE_ASCII )  return "calc8_template";
  54     else if ( aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_CHART_ASCII )                 return "chart8";
  55     else if ( aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_FORMULA_ASCII )               return "math8";
  56     else if ( aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_REPORT_CHART_ASCII )          return "StarBaseReportChart";
  57
  58     // OOo legacy types
  59     else if ( aMediaType == MIMETYPE_VND_SUN_XML_WRITER_ASCII )           return "writer_StarOffice_XML_Writer";
  60     else if ( aMediaType == MIMETYPE_VND_SUN_XML_WRITER_TEMPLATE_ASCII )  return "writer_StarOffice_XML_Writer_Template";
  61     else if ( aMediaType == MIMETYPE_VND_SUN_XML_WRITER_WEB_ASCII )       return "writer_web_StarOffice_XML_Writer_Web_Template";
  62     else if ( aMediaType == MIMETYPE_VND_SUN_XML_WRITER_GLOBAL_ASCII )    return "writer_globaldocument_StarOffice_XML_Writer_GlobalDocument";
  63     else if ( aMediaType == MIMETYPE_VND_SUN_XML_DRAW_ASCII )             return "draw_StarOffice_XML_Draw";
  64     else if ( aMediaType == MIMETYPE_VND_SUN_XML_DRAW_TEMPLATE_ASCII )    return "draw_StarOffice_XML_Draw_Template";
  65     else if ( aMediaType == MIMETYPE_VND_SUN_XML_IMPRESS_ASCII )          return "impress_StarOffice_XML_Impress";
  66     else if ( aMediaType == MIMETYPE_VND_SUN_XML_IMPRESS_TEMPLATE_ASCII ) return "impress_StarOffice_XML_Impress_Template";
  67     else if ( aMediaType == MIMETYPE_VND_SUN_XML_CALC_ASCII )             return "calc_StarOffice_XML_Calc";
  68     else if ( aMediaType == MIMETYPE_VND_SUN_XML_CALC_TEMPLATE_ASCII )    return "calc_StarOffice_XML_Calc_Template";
  69     else if ( aMediaType == MIMETYPE_VND_SUN_XML_CHART_ASCII )            return "chart_StarOffice_XML_Chart";
  70     else if ( aMediaType == MIMETYPE_VND_SUN_XML_MATH_ASCII )             return "math_StarOffice_XML_Math";
  71
  72     // Unknown type
  73     return OUString();
  74 }
  75
  76 }
  77
  78 StorageFilterDetect::StorageFilterDetect(const uno::Reference<uno::XComponentContext>& xCxt) :
  79     mxCxt(xCxt) {}
  80
  81 StorageFilterDetect::~StorageFilterDetect() {}
  82
  83 OUString SAL_CALL StorageFilterDetect::detect(uno::Sequence<beans::PropertyValue>& rDescriptor)
  84 {
  85     MediaDescriptor aMediaDesc( rDescriptor );
  86     OUString aTypeName;
  87
  88     try
  89     {
  90         uno::Reference< io::XInputStream > xInStream( aMediaDesc[MediaDescriptor::PROP_INPUTSTREAM()], uno::UNO_QUERY );
  91         if ( !xInStream.is() )
  92             return OUString();
  93
  94         uno::Reference< embed::XStorage > xStorage = ::comphelper::OStorageHelper::GetStorageFromInputStream( xInStream, mxCxt );
  95         if ( !xStorage.is() )
  96             return OUString();
  97
  98         uno::Reference< beans::XPropertySet > xStorageProperties( xStorage, uno::UNO_QUERY );
  99         if ( !xStorageProperties.is() )
 100             return OUString();
 101
 102         OUString aMediaType;
 103         xStorageProperties->getPropertyValue( "MediaType" ) >>= aMediaType;
 104         aTypeName = getInternalFromMediaType( aMediaType );
 105     }
 106
 107     catch( const lang::WrappedTargetException& aWrap )
 108     {
 109         packages::zip::ZipIOException aZipException;
 110         // We don't do any type detection on broken packages (f.e. because it might be impossible),
 111         // so for repairing we'll use the requested type, which was detected by the flat detection.
 112         OUString aRequestedTypeName = aMediaDesc.getUnpackedValueOrDefault( MediaDescriptor::PROP_TYPENAME(), OUString() );
 113         if ( ( aWrap.TargetException >>= aZipException ) && !aRequestedTypeName.isEmpty() )
 114         {
 115             // The package is a broken one.
 116             uno::Reference< task::XInteractionHandler > xInteraction =
 117                 aMediaDesc.getUnpackedValueOrDefault( MediaDescriptor::PROP_INTERACTIONHANDLER(), uno::Reference< task::XInteractionHandler >() );
 118
 119             if ( xInteraction.is() )
 120             {
 121                 INetURLObject aParser( aMediaDesc.getUnpackedValueOrDefault( MediaDescriptor::PROP_URL(), OUString() ) );
 122                 OUString aDocumentTitle = aParser.getName( INetURLObject::LAST_SEGMENT, true, INetURLObject::DecodeMechanism::WithCharset );
 123                 bool bRepairPackage = aMediaDesc.getUnpackedValueOrDefault( "RepairPackage", false );
 124                 // fdo#46310 Don't try to repair if the user rejected it once.
 125                 bool bRepairAllowed = aMediaDesc.getUnpackedValueOrDefault( "RepairAllowed", true );
 126
 127                 if ( !bRepairPackage && bRepairAllowed )
 128                 {
 129                     // Ask the user whether he wants to try to repair.
 130                     RequestPackageReparation aRequest( aDocumentTitle );
 131                     xInteraction->handle( aRequest.GetRequest() );
 132
 133                     if ( aRequest.isApproved() )
 134                     {
 135                         aTypeName = aRequestedTypeName;
 136                         aMediaDesc[MediaDescriptor::PROP_DOCUMENTTITLE()] <<= aDocumentTitle;
 137                         aMediaDesc[MediaDescriptor::PROP_ASTEMPLATE()] <<= true;
 138                         aMediaDesc["RepairPackage"] <<= true;
 139                     }
 140                     else
 141                     {
 142                         // Repair either not allowed or not successful.
 143                         NotifyBrokenPackage aNotifyRequest( aDocumentTitle );
 144                         xInteraction->handle( aNotifyRequest.GetRequest() );
 145                         aMediaDesc["RepairAllowed"] <<= false;
 146                     }
 147
 148                     // Write the changes back.
 149                     aMediaDesc >> rDescriptor;
 150                 }
 151             }
 152         }
 153     }
 154     catch( uno::RuntimeException& )
 155     {
 156         throw;
 157     }
 158     catch( uno::Exception& )
 159     {}
 160
 161     return aTypeName;
 162 }
 163
 164 // XInitialization
 165 void SAL_CALL StorageFilterDetect::initialize(const uno::Sequence<uno::Any>& /*aArguments*/) {}
 166
 167 // XServiceInfo
 168 OUString SAL_CALL StorageFilterDetect::getImplementationName()
 169 {
 170     return "com.sun.star.comp.filters.StorageFilterDetect";
 171 }
 172
 173 sal_Bool SAL_CALL StorageFilterDetect::supportsService(const OUString& rServiceName)
 174 {
 175     return cppu::supportsService(this, rServiceName);
 176 }
 177
 178 uno::Sequence<OUString> SAL_CALL StorageFilterDetect::getSupportedServiceNames()
 179 {
 180     return { "com.sun.star.document.ExtendedTypeDetection", "com.sun.star.comp.filters.StorageFilterDetect" };
 181 }
 182
 183
 184 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
 185 filter_StorageFilterDetect_get_implementation(
 186     css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
 187 {
 188     return cppu::acquire(new StorageFilterDetect(context));
 189 }
 190
 191 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */