ASDF

#include <a_samp>

native WP_Hash( buffer[ ], len, const str[ ] );

new DB:Database;
enum DATOS_USERS
{
	USER_ID,
	USER_NOMBRE[MAX_PLAYER_NAME],
	USER_PASSWORD[129],
	USER_ADMIN,
	bool: USER_LOGUEADO
};
new InfoJugador[MAX_PLAYERS][DATOS_USERS];

#define LOGIN 10
#define REGISTRO 11

main()
{
	print("\n----------------------------------");
	print(" Blank Gamemode by your name here");
	print("----------------------------------\n");
}

public OnGameModeInit()
{
	SetGameModeText("Blank Script");
	AddPlayerClass(0, 1958.3783, 1343.1572, 15.3746, 269.1425, 0, 0, 0, 0, 0, 0);

	Database = db_open("server.db");
	/*db_query(Database, "PRAGMA synchronous = OFF");
	db_query(Database, "CREATE TABLE IF NOT EXISTS users (userid INTEGER PRIMARY KEY AUTOINCREMENT, username VARCHAR(24) COLLATE NOCASE, password VARCHAR(129), admin INTEGER DEFAULT 0 NOT NULL)");*/
	return 1;
}

public OnGameModeExit()
{
	/*db_close(Database);*/
	return 1;
}

public OnPlayerRequestClass(playerid, classid)
{
	SetPlayerPos(playerid, 1958.3783, 1343.1572, 15.3746);
	SetPlayerCameraPos(playerid, 1958.3783, 1343.1572, 15.3746);
	SetPlayerCameraLookAt(playerid, 1958.3783, 1343.1572, 15.3746);
	return 1;
}

public OnPlayerConnect(playerid)
{
    for(new i; i < _: DATOS_USERS; ++i) InfoJugador[playerid][DATOS_USERS: i] = 0;

    //Login
    GetPlayerName(playerid, InfoJugador[playerid][USER_NOMBRE], MAX_PLAYER_NAME);
    new Query[82], DBResult: result;
    format(Query, sizeof(Query), "SELECT password FROM users WHERE username = '%s' LIMIT 0, 1", DB_Escape(InfoJugador[playerid][USER_NOMBRE]));
    result = db_query(Database, Query);
    if(db_num_rows(result))
    {
        db_get_field_assoc(result, "password", InfoJugador[playerid][USER_PASSWORD], 129);
		ShowPlayerDialog(playerid, LOGIN, DIALOG_STYLE_PASSWORD, "{FFFF00}Login", "Ingresa tu pawssword abajo para loguearte", "Login", "Salir");
    }
    else ShowPlayerDialog(playerid, REGISTRO, DIALOG_STYLE_INPUT, "{FFFF00}Registro", "Ingresa un password para registrarte", "Registrar", "Salir" );
	return 1;
}

public OnPlayerDisconnect(playerid, reason)
{
    for(new i; i < _: DATOS_USERS; ++i) InfoJugador[playerid][DATOS_USERS: i] = 0;
    if(InfoJugador[playerid][USER_LOGUEADO] == true)
    {
        new Query[72];
        format(Query, sizeof(Query), "UPDATE users SET admin = %d WHERE username = '%s'", InfoJugador[playerid][USER_ADMIN], DB_Escape(InfoJugador[playerid][USER_NOMBRE]));
        db_query(Database, Query);
    }
	return 1;
}

public OnPlayerSpawn(playerid)
{
	return 1;
}

public OnPlayerDeath(playerid, killerid, reason)
{
	return 1;
}

//Funciones
// Para evitar inyecciones sql.
stock DB_Escape(text[])
{
    new
        ret[80* 2],
        ch,
        i,
        j;
    while ((ch = text[i++]) && j < sizeof (ret))
    {
        if (ch == '\'')
        {
            if (j < sizeof (ret) - 2)
            {
                ret[j++] = '\'';
                ret[j++] = '\'';
            }
        }
        else if (j < sizeof (ret))
        {
            ret[j++] = ch;
        }
        else
        {
            j++;
        }
    }
    ret[sizeof (ret) - 1] = '\0';
    return ret;
}

public OnDialogResponse(playerid, dialogid, response, listitem, inputtext[])
{
	switch(dialogid)
	{
	    case REGISTRO:
	    {
	        if(response)
	        {
     			if(strlen(inputtext) < 3 || strlen(inputtext) > 24)
        		{
        		    SendClientMessage( playerid, 0xFF0000FF, "[ERROR]: Ingresa un password de 3 a 24 caracteres" );
        		    ShowPlayerDialog( playerid, REGISTRO, DIALOG_STYLE_PASSWORD, "{FFFF00}Registro", "Ingresa un password para registrar esta cuenta", "Registrar", "Salir" );
        		    return 1;
        		}
        		new Query[208];
        		WP_Hash(InfoJugador[playerid][USER_PASSWORD], 129, inputtext);
        		format(Query, sizeof(Query), "INSERT INTO users (username, password) VALUES ('%s', '%s')", DB_Escape(InfoJugador[playerid][USER_NOMBRE]), DB_Escape(InfoJugador[playerid][USER_PASSWORD]));
        		db_query(Database, Query);
        		InfoJugador[playerid][USER_LOGUEADO] = true;
        		SendClientMessage(playerid, 0x00FF00FF, "[SERVIDOR]: Gracias por registrarte en nuestro servidor! Te has logueado automáticamente");
			} else Kick(playerid);
	    }

	    case LOGIN:
	    {
	        if(response)
	        {
				new buf[129];
				WP_Hash(buf, 129, inputtext);
				if(!strcmp(buf, InfoJugador[playerid][USER_PASSWORD], false))
				{
				    new Query[75];
				    new DBResult:Result;
				    format(Query, sizeof(Query), "SELECT * FROM users WHERE username = '%s' LIMIT 0, 1", DB_Escape(InfoJugador[playerid][USER_NOMBRE] ) );
            		Result = db_query(Database, Query);
            		if(db_num_rows(Result))
            		{
						db_get_field_assoc(Result, "userid", Query, 7);
                		InfoJugador[playerid][USER_ID] = strval(Query);

                		db_get_field_assoc(Result, "admin", Query, 3);
                		InfoJugador[playerid][USER_ADMIN] = strval(Query);

                		InfoJugador[playerid][USER_LOGUEADO] = true;
                		SendClientMessage( playerid, 0x00FF00FF, "[SERVIDOR]: Has ingresado correctamente a tu cuenta!" );
            		}
            		db_free_result(Result);
				}
				else
				{
					SendClientMessage(playerid, 0xFF0000FF, "[ERROR]: Password incorrecto!" );
            		ShowPlayerDialog(playerid, LOGIN, DIALOG_STYLE_PASSWORD, "{FFFF00}Login", "Ingresa tu password para ingresar a tu cuenta", "Login", "Salir");
				}
	        } else Kick(playerid);
	    }
	}
	return 1;
}