<?php

  $dir = '/';
  
  if (isset($_GET['dir'])) {
  	$dir = $_GET['dir'];
  }

  OCP\JSON::checkLoggedIn();

  \OC::$session->close();

  
  // send back json

  OCP\JSON::success(array('data' => \OCA\Files\Helper::buildFileStorageStatistics($dir)));