585 lines
22 KiB
C++
585 lines
22 KiB
C++
/*************************************************************************
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*
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* $RCSfile: ZipPackageFolder.cxx,v $
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*
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* $Revision: 1.45 $
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*
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* last change: $Author: mtg $ $Date: 2001-07-04 14:56:37 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): Martin Gallwey (gallwey@sun.com)
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*
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*
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************************************************************************/
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#ifndef _ZIP_PACKAGE_FOLDER_HXX
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#include <ZipPackageFolder.hxx>
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#endif
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#ifndef _ZIP_FILE_HXX
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#include <ZipFile.hxx>
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#endif
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#ifndef _ZIP_OUTPUT_STREAM_HXX
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#include <ZipOutputStream.hxx>
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#endif
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#ifndef _ZIP_PACKAGE_STREAM_HXX
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#include <ZipPackageStream.hxx>
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#endif
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#ifndef _PACKAGE_CONSTANTS_HXX_
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#include <PackageConstants.hxx>
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#endif
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#ifndef _ZIP_PACKAGE_FOLDER_ENUMERATION_HXX
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#include <ZipPackageFolderEnumeration.hxx>
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#endif
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#ifndef _COM_SUN_STAR_PACKAGES_ZIP_ZIPCONSTANTS_HPP_
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#include <com/sun/star/packages/zip/ZipConstants.hpp>
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#endif
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#ifndef _VOS_DIAGNOSE_H_
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#include <vos/diagnose.hxx>
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#endif
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#ifndef _RTL_RANDOM_H_
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#include <rtl/random.h>
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#endif
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#ifndef _OSL_TIME_H_
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#include <osl/time.h>
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#endif
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#ifndef _RTL_DIGEST_H_
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#include <rtl/digest.h>
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#endif
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using namespace com::sun::star::packages::zip::ZipConstants;
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using namespace com::sun::star::packages::zip;
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using namespace com::sun::star::container;
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using namespace com::sun::star::packages;
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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::uno;
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using namespace com::sun::star::io;
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using namespace cppu;
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using namespace rtl;
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using namespace std;
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ZipPackageFolder::ZipPackageFolder (void)
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{
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aEntry.nVersion = -1;
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aEntry.nFlag = 0;
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aEntry.nMethod = STORED;
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aEntry.nTime = -1;
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aEntry.nCrc = 0;
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aEntry.nCompressedSize = 0;
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aEntry.nSize = 0;
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aEntry.nOffset = -1;
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}
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ZipPackageFolder::~ZipPackageFolder( void )
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{
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}
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void ZipPackageFolder::copyZipEntry( ZipEntry &rDest, const ZipEntry &rSource)
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{
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rDest.nVersion = rSource.nVersion;
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rDest.nFlag = rSource.nFlag;
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rDest.nMethod = rSource.nMethod;
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rDest.nTime = rSource.nTime;
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rDest.nCrc = rSource.nCrc;
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rDest.nCompressedSize = rSource.nCompressedSize;
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rDest.nSize = rSource.nSize;
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rDest.nOffset = rSource.nOffset;
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rDest.sName = rSource.sName;
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rDest.extra = rSource.extra;
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rDest.sComment = rSource.sComment;
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}
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Any SAL_CALL ZipPackageFolder::queryInterface( const Type& rType )
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throw(RuntimeException)
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{
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// cppu::queryInterface is an inline template so it's fast
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// unfortunately, it always creates an Any...we should be able to optimise
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// this with a class static containing supported interfaces
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// ...will research this further ...mtg 15/12/00
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return ::cppu::queryInterface ( rType ,
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// OWeakObject interfaces
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reinterpret_cast< XInterface* > ( this ) ,
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static_cast< XWeak* > ( this ) ,
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// ZipPackageEntry interfaces
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static_cast< XNamed* > ( this ) ,
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static_cast< XChild* > ( this ) ,
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static_cast< XUnoTunnel* > ( this ) ,
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// my own interfaces
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static_cast< XNameContainer* > ( this ) ,
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static_cast< XEnumerationAccess* > ( this ) ,
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static_cast< XPropertySet* > ( this ) );
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}
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void SAL_CALL ZipPackageFolder::acquire( )
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throw()
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{
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OWeakObject::acquire();
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}
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void SAL_CALL ZipPackageFolder::release( )
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throw()
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{
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OWeakObject::release();
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}
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// XNameContainer
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void SAL_CALL ZipPackageFolder::insertByName( const OUString& aName, const Any& aElement )
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throw(IllegalArgumentException, ElementExistException, WrappedTargetException, RuntimeException)
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{
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OUString sName;
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if (aName.indexOf('/', 0 ) == 0)
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sName = aName.copy(1, aName.getLength());
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else
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sName = aName;
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if (hasByName(sName))
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throw ElementExistException();
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else
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{
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Reference < XUnoTunnel > xRef;
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aElement >>= xRef;
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Reference < XNamed > xNamed (xRef, UNO_QUERY);
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Reference < XChild > xChild (xRef, UNO_QUERY);
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Reference < XInterface > xInterface (*this);
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if (xNamed->getName() != sName )
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xNamed->setName (sName);
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aContents[sName] = xRef;
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try
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{
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xChild->setParent (xInterface);
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}
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catch ( NoSupportException& )
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{
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VOS_ENSURE( 0, "setParent threw an exception: attempted to set Parent to non-existing interface!");
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}
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}
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}
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void SAL_CALL ZipPackageFolder::removeByName( const OUString& Name )
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throw(NoSuchElementException, WrappedTargetException, RuntimeException)
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{
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OUString sName;
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if (Name.indexOf('/', 0 ) == 0)
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sName = Name.copy(1, Name.getLength());
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else
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sName = Name;
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if (aContents.find(sName) == aContents.end())
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throw NoSuchElementException();
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aContents.erase(sName);
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}
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// XEnumerationAccess
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Reference< XEnumeration > SAL_CALL ZipPackageFolder::createEnumeration( )
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throw(RuntimeException)
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{
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return Reference < XEnumeration> (new ZipPackageFolderEnumeration(aContents));
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}
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// XElementAccess
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Type SAL_CALL ZipPackageFolder::getElementType( )
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throw(RuntimeException)
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{
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return ::getCppuType ((const Reference< XUnoTunnel > *) 0);
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}
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sal_Bool SAL_CALL ZipPackageFolder::hasElements( )
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throw(RuntimeException)
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{
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return aContents.size() > 0;
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}
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// XNameAccess
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Any SAL_CALL ZipPackageFolder::getByName( const OUString& aName )
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throw(NoSuchElementException, WrappedTargetException, RuntimeException)
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{
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Any aAny;
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OUString sName;
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if (aName.indexOf('/', 0 ) == 0)
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sName = aName.copy(1, aName.getLength());
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else
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sName = aName;
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TunnelHash::const_iterator aCI = aContents.find(sName);
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if (aCI == aContents.end())
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throw NoSuchElementException();
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aAny <<= (*aCI).second;
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return aAny;
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}
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Sequence< OUString > SAL_CALL ZipPackageFolder::getElementNames( )
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throw(RuntimeException)
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{
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sal_uInt32 i=0, nSize = aContents.size();
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OUString *pNames = new OUString[nSize];
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for ( TunnelHash::const_iterator aIterator = aContents.begin(), aEnd = aContents.end();
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aIterator != aEnd;
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i++,aIterator++)
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pNames[i] = (*aIterator).first;
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return Sequence < OUString > (pNames, nSize);
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}
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sal_Bool SAL_CALL ZipPackageFolder::hasByName( const OUString& aName )
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throw(RuntimeException)
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{
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OUString sName;
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if (aName.indexOf('/', 0 ) == 0)
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sName = aName.copy(1, aName.getLength());
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else
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sName = aName;
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return aContents.find(sName) != aContents.end();
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}
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// XNameReplace
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void SAL_CALL ZipPackageFolder::replaceByName( const OUString& aName, const Any& aElement )
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throw(IllegalArgumentException, NoSuchElementException, WrappedTargetException, RuntimeException)
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{
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OUString sName;
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if (aName.indexOf('/', 0 ) == 0)
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sName = aName.copy(1, aName.getLength());
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else
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sName = aName;
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if (hasByName(aName))
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removeByName(aName);
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else
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throw NoSuchElementException();
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insertByName(aName, aElement);
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}
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void ZipPackageFolder::saveContents(OUString &rPath, std::vector < Sequence < PropertyValue > > &rManList, ZipOutputStream & rZipOut, Sequence < sal_Int8 > &rEncryptionKey)
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throw(RuntimeException)
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{
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Reference < XUnoTunnel > xTunnel;
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ZipPackageFolder *pFolder = NULL;
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ZipPackageStream *pStream = NULL;
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const OUString sMediaTypeProperty ( RTL_CONSTASCII_USTRINGPARAM ( "MediaType" ) );
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const OUString sFullPathProperty ( RTL_CONSTASCII_USTRINGPARAM ( "FullPath" ) );
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const OUString sInitialisationVectorProperty ( RTL_CONSTASCII_USTRINGPARAM ( "InitialisationVector" ) );
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const OUString sSaltProperty ( RTL_CONSTASCII_USTRINGPARAM ( "Salt" ) );
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const OUString sIterationCountProperty ( RTL_CONSTASCII_USTRINGPARAM ( "IterationCount" ) );
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const OUString sSizeProperty ( RTL_CONSTASCII_USTRINGPARAM ( "Size" ) );
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sal_Bool bHaveEncryptionKey = rEncryptionKey.getLength() ? sal_True : sal_False;
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// Get a random number generator and seed it with current timestamp
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TimeValue aTime;
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osl_getSystemTime( &aTime );
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rtlRandomPool aRandomPool = rtl_random_createPool ();
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rtl_random_addBytes ( aRandomPool, &aTime, 8 );
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for ( TunnelHash::const_iterator aCI = aContents.begin(), aEnd = aContents.end();
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aCI != aEnd;
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aCI++)
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{
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// pTempEntry is stored in a vector by ZipOutputStream and will
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// be deleted by the ZipOutputStream destructor
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ZipEntry * pTempEntry = new ZipEntry;
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const OUString &rShortName = (*aCI).first;
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xTunnel = Reference < XUnoTunnel> ((*aCI).second, UNO_QUERY);
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sal_Int64 nTest = 0;
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Sequence < PropertyValue > aPropSet (2);
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PropertyValue *pValue = aPropSet.getArray();
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pFolder = NULL;
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pStream = NULL;
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sal_Bool bIsFolder = sal_True;
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if ((nTest = xTunnel->getSomething(ZipPackageFolder::getUnoTunnelImplementationId())) != 0)
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pFolder = reinterpret_cast < ZipPackageFolder* > ( nTest );
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else
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{
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// If this getSomething call returns 0, it means that
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// something evil has crept into the contents hash_map, which
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// should mean that something has gone very wrong somewhere, and someone
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// else should deal with it
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pStream = reinterpret_cast < ZipPackageStream *> ( xTunnel->getSomething ( ZipPackageStream::getUnoTunnelImplementationId() ) );
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if (!pStream)
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throw RuntimeException();
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bIsFolder = sal_False;
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}
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if (bIsFolder)
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{
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// In case the entry we are reading is also the entry we are writing, we will
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// store the ZipEntry data in pTempEntry
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ZipPackageFolder::copyZipEntry ( *pTempEntry, pFolder->aEntry );
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pTempEntry->nTime = ZipOutputStream::getCurrentDosTime();
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pTempEntry->nCrc = pTempEntry->nSize = pTempEntry->nCompressedSize = 0;
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pTempEntry->nMethod = STORED;
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pTempEntry->sName = rPath + rShortName + OUString( RTL_CONSTASCII_USTRINGPARAM ( "/" ) );
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try
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{
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vos::ORef < EncryptionData > xEmpty;
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rZipOut.putNextEntry( *pTempEntry, xEmpty );
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rZipOut.closeEntry();
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}
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catch (IOException & )
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{
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VOS_ENSURE( 0, "Error writing ZipOutputStream" );
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}
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pValue[0].Name = sMediaTypeProperty;
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pValue[0].Value <<= pFolder->GetMediaType();
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pValue[1].Name = sFullPathProperty;
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pValue[1].Value <<= pTempEntry->sName;
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// Copy back the zip entry and make the offset negative so that we
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// know it's point at the beginning of the LOC
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ZipPackageFolder::copyZipEntry ( pFolder->aEntry, *pTempEntry );
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pFolder->aEntry.nOffset *= -1;
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pFolder->saveContents(pTempEntry->sName, rManList, rZipOut, rEncryptionKey);
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pFolder->aEntry.sName = rShortName;
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}
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else
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{
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// In case the entry we are reading is also the entry we are writing, we will
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// store the ZipEntry data in pTempEntry
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ZipPackageFolder::copyZipEntry ( *pTempEntry, pStream->aEntry );
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pTempEntry->sName = rPath + rShortName;
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sal_Bool bToBeEncrypted = pStream->IsToBeEncrypted() && bHaveEncryptionKey;
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sal_Bool bToBeCompressed = bToBeEncrypted ? sal_True : pStream->IsToBeCompressed();
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pValue[0].Name = sMediaTypeProperty;
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pValue[0].Value <<= pStream->GetMediaType( );
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pValue[1].Name = sFullPathProperty;
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pValue[1].Value <<= pTempEntry->sName;
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if ( bToBeEncrypted )
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{
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Sequence < sal_uInt8 > aSalt ( 16 ), aVector ( 8 );
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Sequence < sal_Int8 > aKey ( 16 );
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rtl_random_getBytes ( aRandomPool, aSalt.getArray(), 16 );
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rtl_random_getBytes ( aRandomPool, aVector.getArray(), 8 );
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sal_Int32 nIterationCount = 1024;
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rtl_digest_PBKDF2 ( reinterpret_cast < sal_uInt8 * > (aKey.getArray()), 16,
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reinterpret_cast < sal_uInt8 * > (rEncryptionKey.getArray()), rEncryptionKey.getLength(),
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aSalt.getConstArray(), 16,
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nIterationCount );
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pStream->setInitialisationVector ( aVector );
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pStream->setSalt ( aSalt );
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pStream->setIterationCount ( nIterationCount );
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pStream->setKey ( aKey );
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aPropSet.realloc(6); // 6th property is size, below
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pValue = aPropSet.getArray();
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pValue[2].Name = sInitialisationVectorProperty;
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pValue[2].Value <<= aVector;
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pValue[3].Name = sSaltProperty;
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pValue[3].Value <<= aSalt;
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pValue[4].Name = sIterationCountProperty;
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pValue[4].Value <<= nIterationCount;
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}
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// If the entry is already stored in the zip file in the format we
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// want for this write...copy it raw
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if (pStream->IsPackageMember() && !bToBeEncrypted &&
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( (pStream->aEntry.nMethod == DEFLATED && bToBeCompressed) ||
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(pStream->aEntry.nMethod == STORED && !bToBeCompressed) ) )
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{
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try
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{
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Reference < XInputStream > xStream = pStream->getRawStream();
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rZipOut.putNextEntry ( *pTempEntry, pStream->getEncryptionData(), bToBeEncrypted);
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Sequence < sal_Int8 > aSeq (n_ConstBufferSize);
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sal_Int32 nLength = n_ConstBufferSize;
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while ( nLength >= n_ConstBufferSize )
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{
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nLength = xStream->readBytes(aSeq, n_ConstBufferSize);
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rZipOut.rawWrite(aSeq, 0, nLength);
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}
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rZipOut.rawCloseEntry();
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}
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catch (ZipException&)
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{
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VOS_ENSURE( 0, "Error writing ZipOutputStream" );
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}
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catch (IOException & )
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{
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VOS_ENSURE( 0, "Error writing ZipOutputStream" );
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}
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}
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else
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{
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Reference < XInputStream > xStream = pStream->getInputStream();
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Reference < XSeekable > xSeek (xStream, UNO_QUERY);
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if (!xSeek.is())
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VOS_ENSURE ( 0, "Bad juju! We can only package streams which support XSeekable!");
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sal_Int32 nStreamLength = static_cast < sal_Int32 > ( xSeek->getLength() );
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if ( bToBeCompressed )
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{
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pTempEntry->nMethod = DEFLATED;
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pTempEntry->nCrc = pTempEntry->nCompressedSize = pTempEntry->nSize = -1;
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}
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else
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{
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CRC32 aCRC32;
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pTempEntry->nMethod = STORED;
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pTempEntry->nCompressedSize = pTempEntry->nSize = nStreamLength;
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aCRC32.updateStream ( xStream );
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pTempEntry->nCrc = aCRC32.getValue();
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}
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if (bToBeEncrypted)
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{
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// Need to store the uncompressed size in the manifest
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pValue[5].Name = sSizeProperty;
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pValue[5].Value <<= nStreamLength;
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}
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try
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{
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rZipOut.putNextEntry ( *pTempEntry, pStream->getEncryptionData(), bToBeEncrypted);
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sal_Int32 nLength = n_ConstBufferSize;
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Sequence < sal_Int8 > aSeq (n_ConstBufferSize);
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while ( nLength >= n_ConstBufferSize )
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{
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nLength = xStream->readBytes(aSeq, n_ConstBufferSize);
|
|
rZipOut.write(aSeq, 0, nLength);
|
|
}
|
|
pStream->SetPackageMember ( sal_True );
|
|
rZipOut.closeEntry();
|
|
}
|
|
catch (ZipException&)
|
|
{
|
|
VOS_ENSURE( 0, "Error writing ZipOutputStream" );
|
|
}
|
|
catch (IOException & )
|
|
{
|
|
VOS_ENSURE( 0, "Error writing ZipOutputStream" );
|
|
}
|
|
}
|
|
|
|
// Then copy it back afterwards...
|
|
ZipPackageFolder::copyZipEntry ( pStream->aEntry, *pTempEntry );
|
|
pStream->aEntry.sName = rShortName;
|
|
pStream->aEntry.nOffset *= -1;
|
|
}
|
|
rManList.push_back (aPropSet);
|
|
}
|
|
}
|
|
|
|
void ZipPackageFolder::releaseUpwardRef( void )
|
|
{
|
|
Reference < XUnoTunnel > xTunnel;
|
|
ZipPackageFolder *pFolder = NULL;
|
|
ZipPackageStream *pStream = NULL;
|
|
sal_Bool bIsFolder;
|
|
TunnelHash::const_iterator aCI = aContents.begin();
|
|
|
|
for (;aCI!=aContents.end();aCI++)
|
|
{
|
|
xTunnel = Reference < XUnoTunnel> ((*aCI).second, UNO_QUERY);
|
|
sal_Int64 nTest=0;
|
|
if ((nTest = xTunnel->getSomething(ZipPackageFolder::getUnoTunnelImplementationId())) != 0)
|
|
{
|
|
pFolder = reinterpret_cast < ZipPackageFolder* > ( nTest );
|
|
bIsFolder = sal_True;
|
|
}
|
|
else
|
|
{
|
|
nTest = xTunnel->getSomething(ZipPackageStream::getUnoTunnelImplementationId());
|
|
pStream = reinterpret_cast < ZipPackageStream* > ( nTest );
|
|
bIsFolder = sal_False;
|
|
}
|
|
|
|
if (bIsFolder)
|
|
{
|
|
pFolder->releaseUpwardRef();
|
|
pFolder->clearParent();
|
|
}
|
|
else
|
|
pStream->clearParent();
|
|
}
|
|
}
|
|
|
|
Sequence< sal_Int8 > ZipPackageFolder::getUnoTunnelImplementationId( void )
|
|
throw (RuntimeException)
|
|
{
|
|
static ::cppu::OImplementationId * pId = 0;
|
|
if (! pId)
|
|
{
|
|
::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
|
|
if (! pId)
|
|
{
|
|
static ::cppu::OImplementationId aId;
|
|
pId = &aId;
|
|
}
|
|
}
|
|
return pId->getImplementationId();
|
|
}
|
|
|
|
sal_Int64 SAL_CALL ZipPackageFolder::getSomething( const Sequence< sal_Int8 >& aIdentifier )
|
|
throw(RuntimeException)
|
|
{
|
|
sal_Int64 nMe = 0;
|
|
if (aIdentifier.getLength() == 16 && 0 == rtl_compareMemory(getUnoTunnelImplementationId().getConstArray(), aIdentifier.getConstArray(), 16 ) )
|
|
nMe = reinterpret_cast < sal_Int64 > ( this );
|
|
return nMe;
|
|
}
|
|
void SAL_CALL ZipPackageFolder::setPropertyValue( const OUString& aPropertyName, const Any& aValue )
|
|
throw(UnknownPropertyException, PropertyVetoException, IllegalArgumentException, WrappedTargetException, RuntimeException)
|
|
{
|
|
if (aPropertyName.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("MediaType")))
|
|
aValue >>= sMediaType;
|
|
else if (aPropertyName.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("Size") ) )
|
|
aValue >>= aEntry.nSize;
|
|
else
|
|
throw UnknownPropertyException();
|
|
}
|
|
Any SAL_CALL ZipPackageFolder::getPropertyValue( const OUString& PropertyName )
|
|
throw(UnknownPropertyException, WrappedTargetException, RuntimeException)
|
|
{
|
|
Any aAny;
|
|
if (PropertyName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "MediaType" ) ) )
|
|
{
|
|
aAny <<= sMediaType;
|
|
return aAny;
|
|
}
|
|
else if (PropertyName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( "Size" ) ) )
|
|
{
|
|
aAny <<= aEntry.nSize;
|
|
return aAny;
|
|
}
|
|
else
|
|
throw UnknownPropertyException();
|
|
}
|