<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * "Echo" service to allow force downloading of exported charts (png or svg)
 *
 * @package phpMyAdmin
 */
 

define('PMA_MINIMUM_COMMON',true);

require_once './libraries/common.inc.php';

if(isset($_REQUEST['filename']) && isset($_REQUEST['image'])) {
    $allowed = Array( 'image/png'=>'png', 'image/svg+xml'=>'svg');
    
    if(!isset($allowed[$_REQUEST['type']])) exit('Invalid export type');
    
    if(!preg_match("/(".implode("|",$allowed).")$/i",$_REQUEST['filename']))
        $_REQUEST['filename'].='.'.$allowed[$_REQUEST['type']];

    header("Cache-Control: public");
    header("Content-Description: File Transfer");
    header("Content-Disposition: attachment; filename=".$_REQUEST['filename']);
    header("Content-Type: ".$_REQUEST['type']);
    header("Content-Transfer-Encoding: binary");
    
    if($allowed[$_REQUEST['type']]!='svg')
        echo base64_decode(substr($_REQUEST['image'],strpos($_REQUEST['image'],',')+1));
    else
        echo $_REQUEST['image'];
    
} else exit('Invalid request');
?>