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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 <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: */