<?php
  /**
   * Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
   * This file is licensed under the Affero General Public License version 3 or
   * later.
   * See the COPYING-README file.
   */
  
  OCP\JSON::checkAppEnabled('gallery');

  list($owner, $img) = explode('/', $_GET['file'], 2);
  $linkItem = \OCP\Share::getShareByToken($owner);

  if (is_array($linkItem) && isset($linkItem['uid_owner'])) {
  	// seems to be a valid share
  	$rootLinkItem = \OCP\Share::resolveReShare($linkItem);

  	$user = $rootLinkItem['uid_owner'];
  
  	// Setup filesystem
  	OCP\JSON::checkUserExists($user);

  	OC_Util::tearDownFS();

  	OC_Util::setupFS($user);
  
  	$fullPath = \OC\Files\Filesystem::getPath($linkItem['file_source']);
  	$img = trim($fullPath . '/' . $img);

  } else {
  	OCP\JSON::checkLoggedIn();

  	$user = OCP\User::getUser();

  }
  
  session_write_close();

  $square = isset($_GET['square']) ? (bool)$_GET['square'] : false;

  $image = new \OCA\Gallery\Thumbnail('/' . $img, $user, $square);

  $image->show();