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/*
* UserSessionControlPlugin.cpp - implementation of UserSessionControlPlugin class
*
* Copyright (c) 2017-2025 Tobias Junghans <tobydox@veyon.io>
*
* This file is part of Veyon - https://veyon.io
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
#include <QMessageBox>
#include "PlatformSessionFunctions.h"
#include "PlatformUserFunctions.h"
#include "UserLoginDialog.h"
#include "UserSessionControlPlugin.h"
#include "VeyonConfiguration.h"
#include "VeyonMasterInterface.h"
UserSessionControlPlugin::UserSessionControlPlugin( QObject* parent ) :
QObject( parent ),
m_userLoginFeature( QStringLiteral( "UserLogin" ),
Feature::Flag::Action | Feature::Flag::Master | Feature::Flag::Service,
Feature::Uid( "7310707d-3918-460d-a949-65bd152cb958" ),
Feature::Uid(),
tr( "Log in" ), {},
tr( "Click this button to log in a specific user on all computers." ),
QStringLiteral( ":/usersessioncontrol/login-user.png" ) ),
m_userLogoffFeature( QStringLiteral( "UserLogoff" ),
Feature::Flag::Action | Feature::Flag::Master | Feature::Flag::Service,
Feature::Uid( "7311d43d-ab53-439e-a03a-8cb25f7ed526" ),
Feature::Uid(),
tr( "Log off" ), {},
tr( "Click this button to log off users from all computers." ),
QStringLiteral( ":/usersessioncontrol/logout-user.png" ) ),
m_features( { m_userLoginFeature, m_userLogoffFeature } )
{
}
bool UserSessionControlPlugin::controlFeature( Feature::Uid featureUid, Operation operation, const QVariantMap& arguments,
const ComputerControlInterfaceList& computerControlInterfaces )
{
if( operation != Operation::Start )
{
return false;
}
if( featureUid == m_userLoginFeature.uid() )
{
const auto username = arguments.value( argToString(Argument::Username) ).toString();
const auto password = arguments.value( argToString(Argument::Password) ).toByteArray();
if( username.isEmpty() )
{
return false;
}
sendFeatureMessage( FeatureMessage{ featureUid, FeatureMessage::DefaultCommand }
.addArgument( Argument::Username, username )
.addArgument( Argument::Password, VeyonCore::cryptoCore().encryptPassword( password ) ),
computerControlInterfaces );
return true;
}
if( featureUid == m_userLogoffFeature.uid() )
{
sendFeatureMessage( FeatureMessage{ featureUid, FeatureMessage::DefaultCommand }, computerControlInterfaces );
return true;
}
return false;
}
bool UserSessionControlPlugin::startFeature( VeyonMasterInterface& master, const Feature& feature,
const ComputerControlInterfaceList& computerControlInterfaces )
{
Q_UNUSED(master)
if( feature == m_userLoginFeature )
{
UserLoginDialog loginDialog( master.mainWindow() );
if( loginDialog.exec() )
{
return controlFeature( feature.uid(), Operation::Start,
{
{ argToString(Argument::Username), loginDialog.username() },
{ argToString(Argument::Password), loginDialog.password().toByteArray() }
},
computerControlInterfaces );
}
}
else if( feature == m_userLogoffFeature )
{
const auto executeOnAllComputers =
computerControlInterfaces.size() >= master.filteredComputerControlInterfaces().size();
if (confirmFeatureExecution(feature, executeOnAllComputers, master.mainWindow()) == false)
{
return true;
}
return controlFeature( feature.uid(), Operation::Start, {}, computerControlInterfaces );
}
return false;
}
bool UserSessionControlPlugin::handleFeatureMessage( VeyonServerInterface& server,
const MessageContext& messageContext,
const FeatureMessage& message )
{
Q_UNUSED(server)
Q_UNUSED(messageContext)
if( message.featureUid() == m_userLoginFeature.uid() )
{
VeyonCore::platform().userFunctions().prepareLogon( message.argument( Argument::Username ).toString(),
VeyonCore::cryptoCore().decryptPassword(
message.argument( Argument::Password ).toString() ) );
return true;
}
else if( message.featureUid() == m_userLogoffFeature.uid() )
{
if( VeyonCore::platform().sessionFunctions().currentSessionHasUser() )
{
VeyonCore::platform().userFunctions().logoff();
}
else
{
vDebug() << "not logging off since not running in a user session";
}
return true;
}
return false;
}
bool UserSessionControlPlugin::confirmFeatureExecution( const Feature& feature, bool all, QWidget* parent )
{
if( VeyonCore::config().confirmUnsafeActions() == false )
{
return true;
}
if( feature == m_userLogoffFeature )
{
return QMessageBox::question( parent, tr( "Confirm user logoff" ),
all ? tr( "Do you really want to log off <b>ALL</b> users?" )
: tr( "Do you really want to log off the selected users?" ) ) ==
QMessageBox::Yes;
}
return true;
}
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