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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/io/WrongFormatException.hpp>
#include <osl/time.h>
#include <osl/security.hxx>
#include <osl/socket.hxx>
#include <osl/file.hxx>
#include <o3tl/enumrange.hxx>
#include <o3tl/sprintf.hxx>
#include <rtl/ustring.hxx>
#include <rtl/strbuf.hxx>
#include <rtl/ustrbuf.hxx>
#include <tools/urlobj.hxx>
#include <unotools/bootstrap.hxx>
#include <unotools/useroptions.hxx>
#include <salhelper/linkhelper.hxx>
#include <svl/lockfilecommon.hxx>
#include <utility>
using namespace ::com::sun::star;
namespace svt {
LockFileCommon::LockFileCommon(OUString aLockFileURL)
: m_aURL(std::move(aLockFileURL))
{
}
LockFileCommon::~LockFileCommon()
{
}
const OUString& LockFileCommon::GetURL() const
{
return m_aURL;
}
void LockFileCommon::SetURL(const OUString& aURL)
{
m_aURL = aURL;
}
OUString LockFileCommon::GenerateOwnLockFileURL(
std::u16string_view aOrigURL, std::u16string_view aPrefix)
{
INetURLObject aURL = ResolveLinks(INetURLObject(aOrigURL));
aURL.setName(Concat2View(aPrefix + aURL.GetLastName() + "%23" /*'#'*/));
return aURL.GetMainURL(INetURLObject::DecodeMechanism::NONE);
}
INetURLObject LockFileCommon::ResolveLinks( const INetURLObject& aDocURL )
{
if ( aDocURL.HasError() )
throw lang::IllegalArgumentException();
OUString aURLToCheck = aDocURL.GetMainURL(INetURLObject::DecodeMechanism::NONE);
// there is currently no UCB functionality to resolve the symbolic links;
// since the lock files are used only for local file systems the osl
// functionality is used directly
salhelper::LinkResolver aResolver(osl_FileStatus_Mask_FileName);
osl::FileBase::RC eStatus = aResolver.fetchFileStatus(aURLToCheck);
if (eStatus == osl::FileBase::E_None)
aURLToCheck = aResolver.m_aStatus.getFileURL();
else if (eStatus == osl::FileBase::E_MULTIHOP)
{
// do not allow too deep links
throw io::IOException();
}
return INetURLObject( aURLToCheck );
}
void LockFileCommon::ParseList( const uno::Sequence< sal_Int8 >& aBuffer, std::vector< LockFileEntry > & aResult )
{
sal_Int32 nCurPos = 0;
while ( nCurPos < aBuffer.getLength() )
{
aResult.push_back( ParseEntry( aBuffer, nCurPos ) );
}
}
LockFileEntry LockFileCommon::ParseEntry( const uno::Sequence< sal_Int8 >& aBuffer, sal_Int32& io_nCurPos )
{
LockFileEntry aResult;
for ( LockFileComponent nInd : o3tl::enumrange<LockFileComponent>() )
{
aResult[nInd] = ParseName( aBuffer, io_nCurPos );
if ( io_nCurPos >= aBuffer.getLength()
|| ( nInd < LockFileComponent::LAST && aBuffer[io_nCurPos++] != ',' )
|| ( nInd == LockFileComponent::LAST && aBuffer[io_nCurPos++] != ';' ) )
throw io::WrongFormatException();
}
return aResult;
}
OUString LockFileCommon::ParseName( const uno::Sequence< sal_Int8 >& aBuffer, sal_Int32& io_nCurPos )
{
OStringBuffer aResult(128);
bool bHaveName = false;
bool bEscape = false;
while( !bHaveName )
{
if ( io_nCurPos >= aBuffer.getLength() )
throw io::WrongFormatException();
if ( bEscape )
{
if ( aBuffer[io_nCurPos] != ',' && aBuffer[io_nCurPos] != ';' && aBuffer[io_nCurPos] != '\\' )
throw io::WrongFormatException();
aResult.append( static_cast<char>(aBuffer[io_nCurPos]) );
bEscape = false;
io_nCurPos++;
}
else if ( aBuffer[io_nCurPos] == ',' || aBuffer[io_nCurPos] == ';' )
bHaveName = true;
else
{
if ( aBuffer[io_nCurPos] == '\\' )
bEscape = true;
else
aResult.append( static_cast<char>(aBuffer[io_nCurPos]) );
io_nCurPos++;
}
}
return OStringToOUString( aResult, RTL_TEXTENCODING_UTF8 );
}
OUString LockFileCommon::EscapeCharacters( const OUString& aSource )
{
OUStringBuffer aBuffer(aSource.getLength()*2);
const sal_Unicode* pStr = aSource.getStr();
for ( sal_Int32 nInd = 0; nInd < aSource.getLength() && pStr[nInd] != 0; nInd++ )
{
if ( pStr[nInd] == '\\' || pStr[nInd] == ';' || pStr[nInd] == ',' )
aBuffer.append( '\\' );
aBuffer.append( pStr[nInd] );
}
return aBuffer.makeStringAndClear();
}
OUString LockFileCommon::GetOOOUserName()
{
SvtUserOptions aUserOpt;
OUString aName = aUserOpt.GetFirstName();
if ( !aName.isEmpty() )
aName += " ";
aName += aUserOpt.GetLastName();
return aName;
}
OUString LockFileCommon::GetCurrentLocalTime()
{
OUString aTime;
TimeValue aSysTime;
if ( osl_getSystemTime( &aSysTime ) )
{
TimeValue aLocTime;
if ( osl_getLocalTimeFromSystemTime( &aSysTime, &aLocTime ) )
{
oslDateTime aDateTime;
if ( osl_getDateTimeFromTimeValue( &aLocTime, &aDateTime ) )
{
char pDateTime[sizeof("65535.65535.-32768 65535:65535")];
// reserve enough space for hypothetical max length
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) );
aTime = OUString::createFromAscii( pDateTime );
}
}
}
return aTime;
}
LockFileEntry LockFileCommon::GenerateOwnEntry()
{
LockFileEntry aResult;
aResult[LockFileComponent::OOOUSERNAME] = GetOOOUserName();
::osl::Security aSecurity;
aSecurity.getUserName( aResult[LockFileComponent::SYSUSERNAME] );
aResult[LockFileComponent::LOCALHOST] = ::osl::SocketAddr::getLocalHostname();
aResult[LockFileComponent::EDITTIME] = GetCurrentLocalTime();
::utl::Bootstrap::locateUserInstallation( aResult[LockFileComponent::USERURL] );
return aResult;
}
} // namespace svt
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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