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| -rw-r--r-- | svl/source/misc/lockfilecommon.cxx | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/svl/source/misc/lockfilecommon.cxx b/svl/source/misc/lockfilecommon.cxx new file mode 100644 index 000000000..405e3a229 --- /dev/null +++ b/svl/source/misc/lockfilecommon.cxx @@ -0,0 +1,242 @@ +/* -*- 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 <stdio.h> + +#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 <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> + +using namespace ::com::sun::star; + +namespace svt { + + +LockFileCommon::LockFileCommon(const OUString& aLockFileURL) + : m_aURL(aLockFileURL) +{ +} + +LockFileCommon::~LockFileCommon() +{ +} + + +const OUString& LockFileCommon::GetURL() const +{ + return m_aURL; +} + + +void LockFileCommon::SetURL(const OUString& aURL) +{ + m_aURL = aURL; +} + + +OUString LockFileCommon::GenerateOwnLockFileURL(const OUString& aOrigURL, const OUString& aPrefix) +{ + INetURLObject aURL = ResolveLinks(INetURLObject(aOrigURL)); + aURL.setName(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.makeStringAndClear(), 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 + 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: */ |