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/*
* AuthenticationProxy.h - declaration of class AuthenticationProxy
*
* Copyright (c) 2020-2021 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.
*
*/
#pragma once
#include <QMutexLocker>
#include <QWaitCondition>
#include "AuthenticationCredentials.h"
#include "RfbVeyonAuth.h"
class AuthenticationProxy
{
public:
using AuthenticationMethod = RfbVeyonAuth::Type;
using AuthenticationMethods = QList<AuthenticationMethod>;
virtual ~AuthenticationProxy() = default;
void setAuthenticationTypes( const AuthenticationMethods& authenticationTypes )
{
lock();
m_authenticationTypes = authenticationTypes;
unlock();
m_authenticationMethodsAvailable.wakeAll();
}
AuthenticationMethods authenticationTypes()
{
QMutexLocker l( &m_mutex );
return m_authenticationTypes;
}
bool waitForAuthenticationMethods( int timeout )
{
QMutex m;
QMutexLocker l( &m );
if( authenticationTypes().isEmpty() == false )
{
return true;
}
return m_authenticationMethodsAvailable.wait( &m, QDeadlineTimer( timeout ) );
}
AuthenticationCredentials credentials()
{
QMutexLocker l( &m_mutex );
return m_credentials;
}
void setCredentials( const AuthenticationCredentials& credentials )
{
QMutexLocker l( &m_mutex );
m_credentials = credentials;
}
virtual RfbVeyonAuth::Type initCredentials() = 0;
protected:
void lock()
{
m_mutex.lock();
}
void unlock()
{
m_mutex.unlock();
}
QMutex* mutex()
{
return &m_mutex;
}
private:
QMutex m_mutex;
AuthenticationCredentials m_credentials;
AuthenticationMethods m_authenticationTypes;
QWaitCondition m_authenticationMethodsAvailable;
};
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