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/*
* AccessControlProvider.h - declaration of class AccessControlProvider
*
* Copyright (c) 2016-2021 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 "AccessControlRule.h"
#include "NetworkObject.h"
class UserGroupsBackendInterface;
class NetworkObjectDirectory;
class VEYON_CORE_EXPORT AccessControlProvider
{
public:
enum class Access {
Deny,
Allow,
ToBeConfirmed,
} ;
AccessControlProvider();
QStringList userGroups() const;
QStringList locations() const;
QStringList locationsOfComputer( const QString& computer ) const;
Access checkAccess( const QString& accessingUser, const QString& accessingComputer,
const QStringList& connectedUsers );
bool processAuthorizedGroups( const QString& accessingUser );
AccessControlRule::Action processAccessControlRules( const QString& accessingUser,
const QString& accessingComputer,
const QString& localUser,
const QString& localComputer,
const QStringList& connectedUsers );
bool isAccessToLocalComputerDenied() const;
private:
bool isMemberOfUserGroup( const QString& user, const QString& groupName ) const;
bool isLocatedAt( const QString& computer, const QString& locationName ) const;
bool haveGroupsInCommon( const QString& userOne, const QString& userTwo ) const;
bool haveSameLocations( const QString& computerOne, const QString& computerTwo ) const;
bool isLocalHost( const QString& accessingComputer ) const;
bool isLocalUser( const QString& accessingUser, const QString& localUser ) const;
bool isNoUserLoggedOn() const;
QString lookupSubject( AccessControlRule::Subject subject,
const QString& accessingUser, const QString& accessingComputer,
const QString& localUser, const QString& localComputer ) const;
bool matchConditions( const AccessControlRule& rule,
const QString& accessingUser, const QString& accessingComputer,
const QString& localUser, const QString& localComputer,
const QStringList& connectedUsers ) const;
static QStringList objectNames( const NetworkObjectList& objects );
QList<AccessControlRule> m_accessControlRules;
UserGroupsBackendInterface* m_userGroupsBackend;
NetworkObjectDirectory* m_networkObjectDirectory;
bool m_queryDomainGroups;
} ;
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