<?php
  /**
   * ownCloud
   *
   * @author Vincent Petry
   * @copyright 2014 Vincent Petry <pvince81@owncloud.com>
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
   * License as published by the Free Software Foundation; either
   * version 3 of the License, or any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
   *
   * You should have received a copy of the GNU Affero General Public
   * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
   *
   */
  
  OCP\JSON::checkAppEnabled('files_sharing');
  
  if(!isset($_GET['t'])){
  	\OC_Response::setStatus(\OC_Response::STATUS_BAD_REQUEST);
  	\OC_Log::write('core-preview', 'No token parameter was passed', \OC_Log::DEBUG);
  	exit;
  }
  
  $token = $_GET['t'];
  
  $password = null;
  if (isset($_POST['password'])) {
  	$password = $_POST['password'];
  }
  
  $relativePath = null;
  if (isset($_GET['dir'])) {
  	$relativePath = $_GET['dir'];
  }
  
  $sortAttribute = isset( $_GET['sort'] ) ? $_GET['sort'] : 'name';
  $sortDirection = isset( $_GET['sortdirection'] ) ? ($_GET['sortdirection'] === 'desc') : false;
  
  $data = \OCA\Files_Sharing\Helper::setupFromToken($token, $relativePath, $password);
  
  $linkItem = $data['linkItem'];
  // Load the files
  $dir = $data['realPath'];
  
  $dir = \OC\Files\Filesystem::normalizePath($dir);
  if (!\OC\Files\Filesystem::is_dir($dir . '/')) {
  	\OC_Response::setStatus(\OC_Response::STATUS_NOT_FOUND);
  	\OCP\JSON::error(array('success' => false));
  	exit();
  }
  
  $data = array();
  
  // make filelist
  $files = \OCA\Files\Helper::getFiles($dir, $sortAttribute, $sortDirection);
  
  $formattedFiles = array();
  foreach ($files as $file) {
  	$entry = \OCA\Files\Helper::formatFileInfo($file);
  	unset($entry['directory']); // for now
  	$entry['permissions'] = \OCP\PERMISSION_READ;
  	$formattedFiles[] = $entry;
  }
  
  $data['directory'] = $relativePath;
  $data['files'] = $formattedFiles;
  $data['dirToken'] = $linkItem['token'];
  
  $permissions = $linkItem['permissions'];
  
  // if globally disabled
  if (OC_Appconfig::getValue('core', 'shareapi_allow_public_upload', 'yes') === 'no') {
  	// only allow reading
  	$permissions = \OCP\PERMISSION_READ;
  }
  
  $data['permissions'] = $permissions;
  
  OCP\JSON::success(array('data' => $data));