<?php
/*
?============?
 KONFIGURACJA
?============?
By Goukan/exevan
Aby dzialalo polaczenie z serwerem nalezy dodac do server.properties takie linijki:
enable-query=true
query.port=25565
*/
define( 'MQ_SERVER_ADDR', '87.98.148.164' ); //ip serwera
define( 'MQ_SERVER_PORT', 25565 ); //port query
define( 'MQ_TIMEOUT', 1 );
 
// Display everything in browser, because some people can't look in logs for errors
Error_Reporting(0);
Ini_Set( 'display_errors', true );
 
$Timer = MicroTime( true );
$Query = new MinecraftQuery( );
   
try
{
    $Query->Connect( MQ_SERVER_ADDR, MQ_SERVER_PORT, MQ_TIMEOUT );
}
catch( MinecraftQueryException $e )
{
    $Error = $e->getMessage( );
}
?>
<?php
class MinecraftQueryException extends Exception
{
}
class MinecraftQuery
{
    /*
     * Class written by xPaw
     */
   
    const STATISTIC = 0x00;
    const HANDSHAKE = 0x09;
    private $Socket;
    private $Players;
    private $Info;
    public function Connect( $Ip, $Port= 25565, $Timeout = 3 )
    {
        if( !is_int( $Timeout ) || $Timeout < 0 )
        {
            throw new InvalidArgumentException( 'Timeout must be an integer.' );
        }
        $this->Socket = @FSockOpen( 'udp://' . $Ip, (int)$Port, $ErrNo, $ErrStr, $Timeout );
        if( $ErrNo || $this->Socket === false )
        {
            throw new MinecraftQueryException( 'Could not create socket: ' . $ErrStr );
        }
        Stream_Set_Timeout( $this->Socket, $Timeout );
        Stream_Set_Blocking( $this->Socket, true );
        try
        {
            $Challenge = $this->GetChallenge( );   
            $this->GetStatus( $Challenge );
        }
        catch( MinecraftQueryException $e )
        {
            FClose( $this->Socket );   
            throw new MinecraftQueryException( $e->getMessage( ) );
        }
        FClose( $this->Socket );
    }
    public function GetInfo( )
    {
        return isset( $this->Info ) ? $this->Info : false;
    }
    public function GetPlayers( )
    {
        return isset( $this->Players ) ? $this->Players : false;
    }
    private function GetChallenge( )
    {
        $Data = $this->WriteData( self :: HANDSHAKE );
        if( $Data === false )
        {
            throw new MinecraftQueryException( "Failed to receive challenge." );
        }
        return Pack( 'N', $Data );
    }
    private function GetStatus( $Challenge )
    {
        $Data = $this->WriteData( self :: STATISTIC, $Challenge . Pack( 'c*', 0x00, 0x00, 0x00, 0x00 ) );
        if( !$Data )
        {
            throw new MinecraftQueryException( "Failed to receive status." );
        }
        $Last = "";
        $Info = Array( );
        $Data    = SubStr( $Data, 11 );
        $Data    = Explode( "\x00\x00\x01player_\x00\x00", $Data );
        $Players = SubStr( $Data[ 1 ], 0, -2 );
        $Data    = Explode( "\x00", $Data[ 0 ] );
        $Keys = Array(
            'hostname'   => 'HostName',
            'gametype'   => 'GameType',
            'version'    => 'Version',
            'plugins'    => 'Plugins',
            'map'        => 'Map',
            'numplayers' => 'Players',
            'maxplayers' => 'MaxPlayers',
            'hostport'   => 'HostPort',
            'hostip'     => 'HostIp'
        );
        foreach( $Data as $Key => $Value )
        {
            if( ~$Key & 1 )
            {
                if( !Array_Key_Exists( $Value, $Keys ) )
                {
                    $Last = false;
                    continue;
                }  
                $Last = $Keys[ $Value ];
                $Info[ $Last ] = "";
            }
            else if( $Last != false )
            {
                $Info[ $Last ] = $Value;
            }
        }
        $Info[ 'Players' ]    = IntVal( $Info[ 'Players' ] );
        $Info[ 'MaxPlayers' ] = IntVal( $Info[ 'MaxPlayers' ] );
        $Info[ 'HostPort' ]   = IntVal( $Info[ 'HostPort' ] );
        if( $Info[ 'Plugins' ] )
        {
            $Data = Explode( ": ", $Info[ 'Plugins' ], 2 );
            $Info[ 'RawPlugins' ] = $Info[ 'Plugins' ];
            $Info[ 'Software' ]   = $Data[ 0 ];
            if( Count( $Data ) == 2 )
            {
                $Info[ 'Plugins' ] = Explode( "; ", $Data[ 1 ] );
            }
        }
        else
        {
            $Info[ 'Software' ] = 'Vanilla';
        }
        $this->Info = $Info;
       
        if( $Players )
        {
            $this->Players = Explode( "\x00", $Players );
        }
    }
    private function WriteData( $Command, $Append = "" )
    {
        $Command = Pack( 'c*', 0xFE, 0xFD, $Command, 0x01, 0x02, 0x03, 0x04 ) . $Append;
        $Length  = StrLen( $Command );
       
        if( $Length !== FWrite( $this->Socket, $Command, $Length ) )
        {
            throw new MinecraftQueryException( "Failed to write on socket." );
        }
        $Data = FRead( $this->Socket, 2048 );
        if( $Data === false )
        {
            throw new MinecraftQueryException( "Failed to read from socket." );
        }
        if( StrLen( $Data ) < 5 || $Data[ 0 ] != $Command[ 2 ] )
        {
            return false;
        }
        return SubStr( $Data, 5 );
    }
}
    if( ( $Info = $Query->GetInfo( ) ) !== false )
    {
        foreach( $Info as $InfoKey => $InfoValue )
        {
            if( Is_Array( $InfoValue ) )
            {
                echo'';
            }
            else
            {  
                echo'';
            }
        }
    }
 
if(isset($Error))
{
    echo'Status: <font color="red">Offline</font><br>';
    echo'Nie udało połączyć się z serwerem.';
}
else
{
 
  <div class="bg_index">
    <div class="shop">
        <a href="?action=sklep"><img src="img/shop.png" /></a>
    </div>
   
    <div class="bg_title">PiCraft</div>
    <?php
    echo'Status: <font color="green">Online</font><br>';
    echo'Graczy: '.$Info[ 'Players' ];
    echo'<br>IP: '.MQ_SERVER_ADDR;
    echo'<br>Wersja: '.$Info['Version'];
    echo'<br>Max Graczy: '.$Info['MaxPlayers'];
    echo'<br>Port: '.$Info['HostPort'];
    echo'<br>HostName: '.$Info['HostName'];
    echo'<br>Gracze online:';
    if(($Players = $Query->GetPlayers()) !== false)
    {
        $i = 1;
        foreach( $Players as $Player )
        {
            echo '<br>'.$i.'. '.htmlspecialchars( $Player );
            $i++;
        }
    }
    else
    {
        echo'<br>Brak graczy na serwerze.';
    }
  }
    ?>
    </div>