mkportal/modules/download/index.php

@header( "Content-Type: application/octet-stream\nContent-Disposition: inline; filename=\"".$file."\"\nContent-Length: ".(string)(filesize( $real_file ) ) );
$fh = fopen( $real_file, 'rb' );
while(!feof($fh)) {
$buffer = fread($fh, 4096);
print $buffer;
}
@fclose( $fh );
exit();

@session_write_close();
   	@ob_end_clean();
   	if (!is_file($real_file) || connection_status()!=0) {
	   		die("Download failed");
	}		  
	set_time_limit(0);
   	$name=basename($file);
   	if (strstr($_SERVER['HTTP_USER_AGENT'], "MSIE")) {
			   $name = preg_replace('/\./', '%2e', $name, substr_count($name, '.') - 1);
	}

   	header("Cache-Control: ");
   	header("Pragma: ");
   	header("Content-Type: application/octet-stream");
   	header("Content-Length: " .(string)(filesize($real_file)) );
   	header('Content-Disposition: attachment; filename="'.$name.'"');
   	header("Content-Transfer-Encoding: binary\n");
   	if($h = fopen($real_file, 'rb')){
	   		while( (!feof($h)) && (connection_status()==0) ){
		   		print(fread($h, 1024*8));
		   		flush();
	   		}
	   		fclose($h);
   	}
	   
		exit();

set_time_limit(0);

@set_time_limit(0);