467 lines
19 KiB
C++
467 lines
19 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "smdetect.hxx"
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#include <com/sun/star/lang/XMultiServiceFactory.hpp>
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#include <com/sun/star/beans/PropertyValue.hpp>
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#include <com/sun/star/frame/XFrame.hpp>
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#include <com/sun/star/frame/XModel.hpp>
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#include <com/sun/star/awt/XWindow.hpp>
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#include <com/sun/star/lang/XUnoTunnel.hpp>
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#include <comphelper/processfactory.hxx>
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#include <com/sun/star/io/XInputStream.hpp>
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#include <com/sun/star/task/XInteractionHandler.hpp>
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#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
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#include <com/sun/star/ucb/CommandAbortedException.hpp>
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#include <com/sun/star/ucb/InteractiveAppException.hpp>
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#include <com/sun/star/ucb/XContent.hpp>
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#include <com/sun/star/packages/zip/ZipIOException.hpp>
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#include <toolkit/helper/vclunohelper.hxx>
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#include <ucbhelper/simpleinteractionrequest.hxx>
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#include <rtl/ustring.h>
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#include <rtl/logfile.hxx>
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#include <svl/itemset.hxx>
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#include <vcl/window.hxx>
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#include <svl/eitem.hxx>
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#include <svl/stritem.hxx>
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#include <tools/urlobj.hxx>
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#include <osl/mutex.hxx>
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#include <svtools/sfxecode.hxx>
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#include <svtools/ehdl.hxx>
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#include <sot/storinfo.hxx>
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#include <vcl/svapp.hxx>
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#include <sfx2/app.hxx>
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#include <sfx2/sfxsids.hrc>
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#include <sfx2/request.hxx>
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#include <sfx2/docfile.hxx>
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#include <sfx2/docfilt.hxx>
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#include <sfx2/fcontnr.hxx>
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#include <sfx2/brokenpackageint.hxx>
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#include "document.hxx"
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#include "eqnolefilehdr.hxx"
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::io;
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using namespace ::com::sun::star::frame;
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using namespace ::com::sun::star::task;
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using namespace ::com::sun::star::beans;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::ucb;
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using namespace ::rtl;
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SmFilterDetect::SmFilterDetect( const REFERENCE < ::com::sun::star::lang::XMultiServiceFactory >& /*xFactory*/ )
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{
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}
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SmFilterDetect::~SmFilterDetect()
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{
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}
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::rtl::OUString SAL_CALL SmFilterDetect::detect( ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& lDescriptor ) throw( ::com::sun::star::uno::RuntimeException )
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{
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REFERENCE< XInputStream > xStream;
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REFERENCE< XContent > xContent;
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REFERENCE< XInteractionHandler > xInteraction;
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String aURL;
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::rtl::OUString sTemp;
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String aTypeName; // a name describing the type (from MediaDescriptor, usually from flat detection)
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String aPreselectedFilterName; // a name describing the filter to use (from MediaDescriptor, usually from UI action)
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::rtl::OUString aDocumentTitle; // interesting only if set in this method
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// opening as template is done when a parameter tells to do so and a template filter can be detected
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// (otherwise no valid filter would be found) or if the detected filter is a template filter and
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// there is no parameter that forbids to open as template
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sal_Bool bOpenAsTemplate = sal_False;
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sal_Bool bWasReadOnly = sal_False, bReadOnly = sal_False;
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sal_Bool bRepairPackage = sal_False;
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sal_Bool bRepairAllowed = sal_False;
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// now some parameters that can already be in the array, but may be overwritten or new inserted here
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// remember their indices in the case new values must be added to the array
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sal_Int32 nPropertyCount = lDescriptor.getLength();
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sal_Int32 nIndexOfInputStream = -1;
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sal_Int32 nIndexOfContent = -1;
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sal_Int32 nIndexOfReadOnlyFlag = -1;
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sal_Int32 nIndexOfTemplateFlag = -1;
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sal_Int32 nIndexOfDocumentTitle = -1;
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for( sal_Int32 nProperty=0; nProperty<nPropertyCount; ++nProperty )
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{
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// extract properties
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if( lDescriptor[nProperty].Name == "URL" )
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{
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lDescriptor[nProperty].Value >>= sTemp;
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aURL = sTemp;
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}
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else if( !aURL.Len() && lDescriptor[nProperty].Name == "FileName" )
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{
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lDescriptor[nProperty].Value >>= sTemp;
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aURL = sTemp;
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}
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else if( lDescriptor[nProperty].Name == "TypeName" )
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{
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lDescriptor[nProperty].Value >>= sTemp;
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aTypeName = sTemp;
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}
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else if( lDescriptor[nProperty].Name == "FilterName" )
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{
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lDescriptor[nProperty].Value >>= sTemp;
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aPreselectedFilterName = sTemp;
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}
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else if( lDescriptor[nProperty].Name == "InputStream" )
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nIndexOfInputStream = nProperty;
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else if( lDescriptor[nProperty].Name == "ReadOnly" )
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nIndexOfReadOnlyFlag = nProperty;
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else if( lDescriptor[nProperty].Name == "UCBContent" )
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nIndexOfContent = nProperty;
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else if( lDescriptor[nProperty].Name == "AsTemplate" )
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{
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lDescriptor[nProperty].Value >>= bOpenAsTemplate;
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nIndexOfTemplateFlag = nProperty;
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}
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else if( lDescriptor[nProperty].Name == "InteractionHandler" )
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lDescriptor[nProperty].Value >>= xInteraction;
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else if( lDescriptor[nProperty].Name == "RepairPackage" )
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lDescriptor[nProperty].Value >>= bRepairPackage;
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else if( lDescriptor[nProperty].Name == "DocumentTitle" )
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nIndexOfDocumentTitle = nProperty;
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}
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// can't check the type for external filters, so set the "dont" flag accordingly
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SolarMutexGuard aGuard;
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SfxApplication* pApp = SFX_APP();
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SfxAllItemSet *pSet = new SfxAllItemSet( pApp->GetPool() );
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TransformParameters( SID_OPENDOC, lDescriptor, *pSet );
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SFX_ITEMSET_ARG( pSet, pItem, SfxBoolItem, SID_DOC_READONLY, sal_False );
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bWasReadOnly = pItem && pItem->GetValue();
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String aFilterName;
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String aPrefix = rtl::OUString( "private:factory/" );
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if( aURL.Match( aPrefix ) == aPrefix.Len() )
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{
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const SfxFilter* pFilter = 0;
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String aPattern( aPrefix );
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aPattern += rtl::OUString("smath");
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if ( aURL.Match( aPattern ) >= aPattern.Len() )
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{
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pFilter = SfxFilter::GetDefaultFilterFromFactory( aURL );
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aTypeName = pFilter->GetTypeName();
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aFilterName = pFilter->GetName();
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}
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}
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else
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{
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// ctor of SfxMedium uses owner transition of ItemSet
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SfxMedium aMedium( aURL, bWasReadOnly ? STREAM_STD_READ : STREAM_STD_READWRITE, NULL, pSet );
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aMedium.UseInteractionHandler( true );
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bool bIsStorage = aMedium.IsStorage();
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if ( aMedium.GetErrorCode() == ERRCODE_NONE )
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{
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// remember input stream and content and put them into the descriptor later
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// should be done here since later the medium can switch to a version
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xStream = aMedium.GetInputStream();
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xContent = aMedium.GetContent();
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bReadOnly = aMedium.IsReadOnly();
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if ( bIsStorage )
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{
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//TODO/LATER: factor this out!
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uno::Reference < embed::XStorage > xStorage = aMedium.GetStorage( sal_False );
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if ( aMedium.GetLastStorageCreationState() != ERRCODE_NONE )
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{
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// error during storage creation means _here_ that the medium
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// is broken, but we can not handle it in medium since unpossibility
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// to create a storage does not _always_ means that the medium is broken
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aMedium.SetError( aMedium.GetLastStorageCreationState(), OSL_LOG_PREFIX );
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if ( xInteraction.is() )
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{
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OUString empty;
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try
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{
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InteractiveAppException xException( empty,
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REFERENCE< XInterface >(),
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InteractionClassification_ERROR,
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aMedium.GetError() );
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REFERENCE< XInteractionRequest > xRequest(
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new ucbhelper::SimpleInteractionRequest( makeAny( xException ),
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ucbhelper::CONTINUATION_APPROVE ) );
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xInteraction->handle( xRequest );
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}
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catch ( Exception & ) {};
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}
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}
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else
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{
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aFilterName.Erase();
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try
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{
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const SfxFilter* pFilter = aPreselectedFilterName.Len() ?
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SfxFilterMatcher().GetFilter4FilterName( aPreselectedFilterName ) : aTypeName.Len() ?
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SfxFilterMatcher(rtl::OUString("smath")).GetFilter4EA( aTypeName ) : 0;
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String aTmpFilterName;
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if ( pFilter )
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aTmpFilterName = pFilter->GetName();
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aTypeName = SfxFilter::GetTypeFromStorage( xStorage, pFilter ? pFilter->IsAllowedAsTemplate() : sal_False, &aTmpFilterName );
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}
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catch( const lang::WrappedTargetException& aWrap )
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{
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packages::zip::ZipIOException aZipException;
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// repairing is done only if this type is requested from outside
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if ( ( aWrap.TargetException >>= aZipException ) && aTypeName.Len() )
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{
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if ( xInteraction.is() )
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{
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// the package is broken one
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aDocumentTitle = aMedium.GetURLObject().getName(
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INetURLObject::LAST_SEGMENT,
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true,
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INetURLObject::DECODE_WITH_CHARSET );
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if ( !bRepairPackage )
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{
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// ask the user whether he wants to try to repair
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RequestPackageReparation aRequest( aDocumentTitle );
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xInteraction->handle( aRequest.GetRequest() );
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bRepairAllowed = aRequest.isApproved();
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}
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if ( !bRepairAllowed )
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{
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// repair either not allowed or not successful
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NotifyBrokenPackage aNotifyRequest( aDocumentTitle );
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xInteraction->handle( aNotifyRequest.GetRequest() );
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}
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}
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if ( !bRepairAllowed )
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aTypeName.Erase();
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}
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}
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catch( uno::RuntimeException& )
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{
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throw;
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}
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catch( uno::Exception& )
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{
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aTypeName.Erase();
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}
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if ( aTypeName.Len() )
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{
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const SfxFilter* pFilter =
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SfxFilterMatcher( rtl::OUString("smath") ).GetFilter4EA( aTypeName );
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if ( pFilter )
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aFilterName = pFilter->GetName();
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}
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}
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}
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else
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{
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//Test to see if this begins with xml and if so run it through
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//the MathML filter. There are all sorts of things wrong with
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//this approach, to be fixed at a better level than here
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SvStream *pStrm = aMedium.GetInStream();
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aTypeName.Erase();
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if (pStrm && !pStrm->GetError())
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{
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SotStorageRef aStorage = new SotStorage ( pStrm, sal_False );
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if ( !aStorage->GetError() )
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{
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if (aStorage->IsStream(rtl::OUString("Equation Native")))
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{
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sal_uInt8 nVersion;
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if (GetMathTypeVersion( aStorage, nVersion ) && nVersion <=3)
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aTypeName.AssignAscii( "math_MathType_3x" );
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}
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}
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else
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{
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const sal_uInt16 nSize = 5;
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sal_Char aBuffer[nSize+1];
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aBuffer[nSize] = 0;
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pStrm->Seek( STREAM_SEEK_TO_BEGIN );
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sal_uLong nBytesRead = pStrm->Read( aBuffer, nSize );
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if (nBytesRead == nSize)
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{
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if (0 == strncmp( "<?xml",aBuffer,nSize))
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{
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// 200 should be enough for the XML
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// version, encoding and !DOCTYPE
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// stuff I hope?
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sal_Char aBuffer2[200];
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nBytesRead = pStrm->Read( aBuffer2, sizeof(aBuffer2) - 1);
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aBuffer2[nBytesRead] = 0;
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if (strstr( aBuffer2, "<math>" ) != NULL ||
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strstr( aBuffer2, "<math " ) != NULL)
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{
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static const sal_Char sFltrNm_2[] = MATHML_XML;
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static const sal_Char sTypeNm_2[] = "math_MathML_XML_Math";
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aFilterName.AssignAscii( sFltrNm_2 );
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aTypeName.AssignAscii( sTypeNm_2 );
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}
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}
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}
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}
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if ( aTypeName.Len() )
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{
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const SfxFilter* pFilt = SfxFilterMatcher( rtl::OUString("smath") ).GetFilter4EA( aTypeName );
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if ( pFilt )
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aFilterName = pFilt->GetName();
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}
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}
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}
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}
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}
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if ( nIndexOfInputStream == -1 && xStream.is() )
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{
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// if input stream wasn't part of the descriptor, now it should be, otherwise the content would be opend twice
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lDescriptor.realloc( nPropertyCount + 1 );
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lDescriptor[nPropertyCount].Name = "InputStream";
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lDescriptor[nPropertyCount].Value <<= xStream;
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nPropertyCount++;
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}
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if ( nIndexOfContent == -1 && xContent.is() )
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{
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// if input stream wasn't part of the descriptor, now it should be, otherwise the content would be opend twice
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lDescriptor.realloc( nPropertyCount + 1 );
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lDescriptor[nPropertyCount].Name = "UCBContent";
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lDescriptor[nPropertyCount].Value <<= xContent;
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nPropertyCount++;
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}
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if ( bReadOnly != bWasReadOnly )
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{
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if ( nIndexOfReadOnlyFlag == -1 )
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{
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lDescriptor.realloc( nPropertyCount + 1 );
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lDescriptor[nPropertyCount].Name = "ReadOnly";
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lDescriptor[nPropertyCount].Value <<= bReadOnly;
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nPropertyCount++;
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}
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else
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lDescriptor[nIndexOfReadOnlyFlag].Value <<= bReadOnly;
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}
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if ( !bRepairPackage && bRepairAllowed )
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{
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lDescriptor.realloc( nPropertyCount + 1 );
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lDescriptor[nPropertyCount].Name = "RepairPackage";
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lDescriptor[nPropertyCount].Value <<= bRepairAllowed;
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nPropertyCount++;
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bOpenAsTemplate = sal_True;
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// TODO/LATER: set progress bar that should be used
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}
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if ( bOpenAsTemplate )
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{
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if ( nIndexOfTemplateFlag == -1 )
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{
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lDescriptor.realloc( nPropertyCount + 1 );
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lDescriptor[nPropertyCount].Name = "AsTemplate";
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lDescriptor[nPropertyCount].Value <<= bOpenAsTemplate;
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nPropertyCount++;
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}
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else
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lDescriptor[nIndexOfTemplateFlag].Value <<= bOpenAsTemplate;
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}
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if ( !aDocumentTitle.isEmpty() )
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{
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// the title was set here
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if ( nIndexOfDocumentTitle == -1 )
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{
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lDescriptor.realloc( nPropertyCount + 1 );
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lDescriptor[nPropertyCount].Name = "DocumentTitle";
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lDescriptor[nPropertyCount].Value <<= aDocumentTitle;
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nPropertyCount++;
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}
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else
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lDescriptor[nIndexOfDocumentTitle].Value <<= aDocumentTitle;
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}
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if ( !aFilterName.Len() )
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aTypeName.Erase();
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return aTypeName;
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}
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/* XServiceInfo */
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rtl::OUString SAL_CALL SmFilterDetect::getImplementationName() throw( UNORUNTIMEEXCEPTION )
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{
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return impl_getStaticImplementationName();
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}
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\
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/* XServiceInfo */
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sal_Bool SAL_CALL SmFilterDetect::supportsService( const rtl::OUString& sServiceName ) throw( UNORUNTIMEEXCEPTION )
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{
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UNOSEQUENCE< rtl::OUString > seqServiceNames = getSupportedServiceNames();
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const rtl::OUString* pArray = seqServiceNames.getConstArray();
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for ( sal_Int32 nCounter=0; nCounter<seqServiceNames.getLength(); nCounter++ )
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{
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if ( pArray[nCounter] == sServiceName )
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{
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return sal_True ;
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}
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}
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return sal_False ;
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}
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/* XServiceInfo */
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UNOSEQUENCE< rtl::OUString > SAL_CALL SmFilterDetect::getSupportedServiceNames() throw( UNORUNTIMEEXCEPTION )
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{
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return impl_getStaticSupportedServiceNames();
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}
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/* Helper for XServiceInfo */
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UNOSEQUENCE< rtl::OUString > SmFilterDetect::impl_getStaticSupportedServiceNames()
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{
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UNOSEQUENCE< rtl::OUString > seqServiceNames( 1 );
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seqServiceNames.getArray() [0] = "com.sun.star.frame.ExtendedTypeDetection";
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return seqServiceNames ;
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}
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/* Helper for XServiceInfo */
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rtl::OUString SmFilterDetect::impl_getStaticImplementationName()
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{
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return rtl::OUString("com.sun.star.comp.math.FormatDetector");
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}
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/* Helper for registry */
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UNOREFERENCE< UNOXINTERFACE > SAL_CALL SmFilterDetect::impl_createInstance( const UNOREFERENCE< UNOXMULTISERVICEFACTORY >& xServiceManager ) throw( UNOEXCEPTION )
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{
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return UNOREFERENCE< UNOXINTERFACE >( *new SmFilterDetect( xServiceManager ) );
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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