243 lines
6.9 KiB
C++
243 lines
6.9 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 <com/sun/star/lang/IllegalArgumentException.hpp>
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#include <com/sun/star/io/WrongFormatException.hpp>
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#include <osl/time.h>
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#include <osl/security.hxx>
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#include <osl/socket.hxx>
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#include <osl/file.hxx>
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#include <o3tl/enumrange.hxx>
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#include <o3tl/sprintf.hxx>
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#include <rtl/ustring.hxx>
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#include <rtl/strbuf.hxx>
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#include <rtl/ustrbuf.hxx>
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#include <tools/urlobj.hxx>
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#include <unotools/bootstrap.hxx>
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#include <unotools/useroptions.hxx>
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#include <salhelper/linkhelper.hxx>
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#include <svl/lockfilecommon.hxx>
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#include <utility>
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using namespace ::com::sun::star;
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namespace svt {
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LockFileCommon::LockFileCommon(OUString aLockFileURL)
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: m_aURL(std::move(aLockFileURL))
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{
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}
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LockFileCommon::~LockFileCommon()
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{
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}
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const OUString& LockFileCommon::GetURL() const
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{
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return m_aURL;
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}
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void LockFileCommon::SetURL(const OUString& aURL)
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{
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m_aURL = aURL;
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}
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OUString LockFileCommon::GenerateOwnLockFileURL(
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std::u16string_view aOrigURL, std::u16string_view aPrefix)
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{
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INetURLObject aURL = ResolveLinks(INetURLObject(aOrigURL));
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aURL.setName(Concat2View(aPrefix + aURL.GetLastName() + "%23" /*'#'*/));
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return aURL.GetMainURL(INetURLObject::DecodeMechanism::NONE);
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}
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INetURLObject LockFileCommon::ResolveLinks( const INetURLObject& aDocURL )
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{
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if ( aDocURL.HasError() )
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throw lang::IllegalArgumentException();
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OUString aURLToCheck = aDocURL.GetMainURL(INetURLObject::DecodeMechanism::NONE);
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// there is currently no UCB functionality to resolve the symbolic links;
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// since the lock files are used only for local file systems the osl
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// functionality is used directly
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salhelper::LinkResolver aResolver(osl_FileStatus_Mask_FileName);
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osl::FileBase::RC eStatus = aResolver.fetchFileStatus(aURLToCheck);
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if (eStatus == osl::FileBase::E_None)
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aURLToCheck = aResolver.m_aStatus.getFileURL();
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else if (eStatus == osl::FileBase::E_MULTIHOP)
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{
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// do not allow too deep links
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throw io::IOException();
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}
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return INetURLObject( aURLToCheck );
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}
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void LockFileCommon::ParseList( const uno::Sequence< sal_Int8 >& aBuffer, std::vector< LockFileEntry > & aResult )
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{
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sal_Int32 nCurPos = 0;
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while ( nCurPos < aBuffer.getLength() )
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{
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aResult.push_back( ParseEntry( aBuffer, nCurPos ) );
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}
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}
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LockFileEntry LockFileCommon::ParseEntry( const uno::Sequence< sal_Int8 >& aBuffer, sal_Int32& io_nCurPos )
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{
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LockFileEntry aResult;
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for ( LockFileComponent nInd : o3tl::enumrange<LockFileComponent>() )
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{
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aResult[nInd] = ParseName( aBuffer, io_nCurPos );
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if ( io_nCurPos >= aBuffer.getLength()
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|| ( nInd < LockFileComponent::LAST && aBuffer[io_nCurPos++] != ',' )
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|| ( nInd == LockFileComponent::LAST && aBuffer[io_nCurPos++] != ';' ) )
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throw io::WrongFormatException();
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}
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return aResult;
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}
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OUString LockFileCommon::ParseName( const uno::Sequence< sal_Int8 >& aBuffer, sal_Int32& io_nCurPos )
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{
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OStringBuffer aResult(128);
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bool bHaveName = false;
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bool bEscape = false;
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while( !bHaveName )
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{
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if ( io_nCurPos >= aBuffer.getLength() )
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throw io::WrongFormatException();
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if ( bEscape )
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{
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if ( aBuffer[io_nCurPos] != ',' && aBuffer[io_nCurPos] != ';' && aBuffer[io_nCurPos] != '\\' )
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throw io::WrongFormatException();
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aResult.append( static_cast<char>(aBuffer[io_nCurPos]) );
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bEscape = false;
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io_nCurPos++;
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}
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else if ( aBuffer[io_nCurPos] == ',' || aBuffer[io_nCurPos] == ';' )
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bHaveName = true;
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else
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{
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if ( aBuffer[io_nCurPos] == '\\' )
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bEscape = true;
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else
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aResult.append( static_cast<char>(aBuffer[io_nCurPos]) );
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io_nCurPos++;
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}
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}
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return OStringToOUString( aResult, RTL_TEXTENCODING_UTF8 );
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}
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OUString LockFileCommon::EscapeCharacters( const OUString& aSource )
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{
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OUStringBuffer aBuffer(aSource.getLength()*2);
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const sal_Unicode* pStr = aSource.getStr();
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for ( sal_Int32 nInd = 0; nInd < aSource.getLength() && pStr[nInd] != 0; nInd++ )
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{
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if ( pStr[nInd] == '\\' || pStr[nInd] == ';' || pStr[nInd] == ',' )
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aBuffer.append( '\\' );
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aBuffer.append( pStr[nInd] );
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}
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return aBuffer.makeStringAndClear();
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}
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OUString LockFileCommon::GetOOOUserName()
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{
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SvtUserOptions aUserOpt;
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OUString aName = aUserOpt.GetFirstName();
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if ( !aName.isEmpty() )
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aName += " ";
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aName += aUserOpt.GetLastName();
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return aName;
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}
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OUString LockFileCommon::GetCurrentLocalTime()
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{
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OUString aTime;
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TimeValue aSysTime;
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if ( osl_getSystemTime( &aSysTime ) )
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{
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TimeValue aLocTime;
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if ( osl_getLocalTimeFromSystemTime( &aSysTime, &aLocTime ) )
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{
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oslDateTime aDateTime;
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if ( osl_getDateTimeFromTimeValue( &aLocTime, &aDateTime ) )
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{
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char pDateTime[sizeof("65535.65535.-32768 65535:65535")];
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// reserve enough space for hypothetical max length
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o3tl::sprintf( pDateTime, "%02" SAL_PRIuUINT32 ".%02" SAL_PRIuUINT32 ".%4" SAL_PRIdINT32 " %02" SAL_PRIuUINT32 ":%02" SAL_PRIuUINT32, sal_uInt32(aDateTime.Day), sal_uInt32(aDateTime.Month), sal_Int32(aDateTime.Year), sal_uInt32(aDateTime.Hours), sal_uInt32(aDateTime.Minutes) );
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aTime = OUString::createFromAscii( pDateTime );
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}
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}
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}
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return aTime;
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}
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LockFileEntry LockFileCommon::GenerateOwnEntry()
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{
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LockFileEntry aResult;
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aResult[LockFileComponent::OOOUSERNAME] = GetOOOUserName();
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::osl::Security aSecurity;
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aSecurity.getUserName( aResult[LockFileComponent::SYSUSERNAME] );
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aResult[LockFileComponent::LOCALHOST] = ::osl::SocketAddr::getLocalHostname();
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aResult[LockFileComponent::EDITTIME] = GetCurrentLocalTime();
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::utl::Bootstrap::locateUserInstallation( aResult[LockFileComponent::USERURL] );
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return aResult;
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}
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} // namespace svt
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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