<?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($token, $img) = explode('/', $_GET['file'], 2);
  $linkItem = \OCP\Share::getShareByToken($token);
  if (is_array($linkItem) && isset($linkItem['uid_owner'])) {
  	// seems to be a valid share
  	$rootLinkItem = \OCP\Share::resolveReShare($linkItem);
  	$owner = $rootLinkItem['uid_owner'];
  	OC_Util::tearDownFS();
  	OC_Util::setupFS($owner);
  } else {
  	OCP\JSON::checkLoggedIn();
  
  	list($owner, $img) = explode('/', $_GET['file'], 2);
  	if ($owner !== OCP\User::getUser()) {
  		list(, $img) = explode('/', $img, 2);
  	}
  }
  
  session_write_close();
  
  if (is_array($linkItem) && isset($linkItem['uid_owner'])) {
  	// prepend path to share
  	$ownerView = new \OC\Files\View('/' . $owner . '/files');
  	$path = $ownerView->getPath($linkItem['file_source']);
  	$img = $path.'/'.$img;
  }
  
  $square = isset($_GET['square']) ? (bool)$_GET['square'] : false;
  
  $image = new \OCA\Gallery\Thumbnail('/' . $img, $owner, $square);
  $image->show();