//OpenSCADA file: tsecurity.h
/***************************************************************************
 *   Copyright (C) 2003-2023 by Roman Savochenko, <roman@oscada.org>       *
 *                                                                         *
 *   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; version 2 of the License.               *
 *                                                                         *
 *   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; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef TSECURITY_H
#define TSECURITY_H

#define SSEC_ID		"Security"

#include "tbds.h"

#define SEC_HASH_MAGIC	"phash://"

namespace OSCADA
{

//*************************************************
//* TUser					  *
//*************************************************
class TSecurity;

class TUser : public TCntrNode, public TConfig
{
    public:
	//Methods
	TUser( const string &name, const string &db, TElem *el );
	~TUser( );

	TCntrNode &operator=( const TCntrNode &node );

	string	name( )		{ return mName; }
	string	descr( )	{ return cfg("DESCR").getS(); }
	string	longDescr( )	{ return cfg("LONGDESCR").getS(); }
	string	picture( )	{ return cfg("PICTURE").getS(); }
	string	lang( )		{ return mLang; }
	bool	sysItem( )	{ return mSysIt; }

	bool	auth( const string &pass, string *hash = NULL );
	int	permitCmpr( const string &user );

	string	DB( bool qTop = false ) const	{ return storage(mDB, qTop); }
	string	tbl( ) const;
	string	fullDB( bool qTop = false ) const{ return DB(qTop)+'.'+tbl(); }

	void setDescr( const string &vl )	{ cfg("DESCR").setS(vl); }
	void setLongDescr( const string &vl )	{ cfg("LONGDESCR").setS(vl); }
	void setPicture( const string &pct )	{ cfg("PICTURE").setS(pct); }
	void setLang( const string &vl )	{ mLang = vl; }
	void setPass( const string &n_pass );
	void setSysItem( bool vl )		{ mSysIt = vl; }

	void setDB( const string &vl, bool qTop = false ) { setStorage(mDB, vl, qTop); if(!qTop) modifG(); }

    protected:
	//Methods
	bool cfgChange( TCfg &co, const TVariant &pc );
	void load_( TConfig *cfg );
	void save_( );

	TSecurity &owner( ) const;

	TVariant objFuncCall( const string &id, vector<TVariant> &prms, const string &user_lang );

    private:
	//Methods
	const char *nodeName( ) const	{ return mName.getSd(); }
	void cntrCmdProc( XMLNode *opt );	//Control interface command process
	void postDisable( int flag );		//Delete all DB if flag 1

	//Attributes
	TCfg	&mName,
		&mLang;
	string	mDB;
	bool	mSysIt;
};

//*************************************************
//* TGroup					  *
//*************************************************
class TGroup : public TCntrNode, public TConfig
{
    public:
	//Methods
	TGroup( const string &name, const string &db, TElem *el );
	~TGroup( );

	TCntrNode &operator=( const TCntrNode &node );

	string	name( )		{ return mName; }
	string	descr( )	{ return cfg("DESCR").getS(); }
	string	longDescr( )	{ return cfg("LONGDESCR").getS(); }
	string	users( )	{ return cfg("USERS").getS(); }
	bool	sysItem( )	{ return mSysIt; }

	string DB( bool qTop = false ) const	{ return storage(mDB, qTop); }
	string tbl( ) const;
	string fullDB( bool qTop = false ) const{ return DB(qTop) + '.' + tbl(); }

	void setDescr( const string &vl )	{ cfg("DESCR").setS(vl); }
	void setLongDescr( const string &vl )	{ cfg("LONGDESCR").setS(vl); }
	void setSysItem( bool vl )		{ mSysIt = vl; }

	void setDB( const string &vl, bool qTop = false ) { setStorage(mDB, vl, qTop); if(!qTop) modifG(); }

	bool user( const string &name );
	void userAdd( const string &name );
	void userDel( const string &name );

    protected:
	//Methods
	bool cfgChange( TCfg &co, const TVariant &pc )	{ modif(); return true; }
	void load_( TConfig *cfg );
	void save_( );

	TSecurity &owner( ) const;

	TVariant objFuncCall( const string &id, vector<TVariant> &prms, const string &user_lang );

    private:
	//Methods
	const char *nodeName( ) const	{ return mName.getSd(); }
	void cntrCmdProc( XMLNode *opt );	//Control interface command process
	void postDisable( int flag );		//Delete all DB if flag 1

	//Attributes
	TCfg	&mName;
	string	mDB;
	bool	mSysIt;
};

//*************************************************
//* TSecurity					  *
//*************************************************
class TSecurity : public TSubSYS
{
    public:
	//Methods
	TSecurity( );
	~TSecurity( );

	string subName( ) const	{ return _("Security"); }

	char access( const string &user, char mode, const string &owner, const string &group, int access );

	// Users
	void usrList( vector<string> &list ) const	{ chldList(mUsr, list); }
	void usrGrpList( const string &name, vector<string> &list );
	bool usrPresent( const string &name ) const	{ return chldPresent(mUsr, name); }
	string usrAdd( const string &name, const string &db = DB_GEN );
	void usrDel( const string &name, bool complete = false );
	AutoHD<TUser> usrAt( const string &name ) const	{ return chldAt(mUsr, name); }

	// Groups
	void grpList( vector<string> &list ) const		{ chldList(mGrp, list); }
	bool grpPresent( const string &name ) const		{ return chldPresent(mGrp, name); }
	string grpAdd( const string &name, const string &db = DB_GEN );
	void grpDel( const string &name, bool complete = false );
	AutoHD<TGroup> grpAt( const string &name ) const	{ return chldAt(mGrp, name); }

    protected:
	//Methods
	void load_( );

    private:
	//Methods
	string optDescr( );
	void cntrCmdProc( XMLNode *opt );       //Control interface command process

	TVariant objFuncCall( const string &id, vector<TVariant> &prms, const string &user_lang );

	void postEnable( int flag );

	//Attributes
	int	mUsr, mGrp;

	TElem	userEl;
	TElem	grpEl;
};

}

#endif // TSECURITY_H