<?php
  $configPath = substr(__DIR__,0,strpos(__DIR__,"/public_html"))."/config.php";
  include_once($configPath);
  if (!empty($_SESSION["utente"]) && !empty($_SESSION["ente"]) && $_SESSION["utente"]->gerarchia <= 10 && $_SESSION["utente"]->fromHere() && !empty($_GET["type"])) {
    $type = "";
    $mime = "";
    if ($_GET["type"] === "zip") {
      $type = "zip";
      $mime = "application/zip";
    }
    if ($_GET["type"] === "json") {
      $type = "json";
      $mime = "plain/text";
    }
    if (!empty($type)) {
      $filePath = 	"{$config["mediaFolder"]}/{$_SESSION["ente"]->codice}/export/data.{$type}";
      if (file_exists($filePath)) {
        ini_set('max_execution_time', 0);
        ini_set('memory_limit', '-1');
        header("Content-Type: {$mime}");
        header('Content-Description: File Transfer');
        header('Content-Disposition: attachment; filename=data.'.$type);
        header('Content-Transfer-Encoding: binary');
        header('Expires: 0');
        header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
        header('Pragma: public');

        $chunk = 1024 * 1024;
        $handle = fopen($filePath, 'rb');
        while (!feof($handle)) {
          $buffer = fread($handle, $chunk);
          echo $buffer;
          ob_flush();
          flush();
        }
        fclose($handle);
        die();
      }
    }
  }
  header('HTTP/1.0 403 Forbidden');
  die();
?>