<?php
  /**
   * Copyright (c) 2012 Georg Ehrke <ownclouddev at georgswebsite dot de>
   * This file is licensed under the Affero General Public License version 3 or
   * later.
   * See the COPYING-README file.
   */
  OCP\User::checkLoggedIn();
  OCP\App::checkAppEnabled('calendar');
  $cal = isset($_GET['calid']) ? $_GET['calid'] : null;
  $event = isset($_GET['eventid']) ? $_GET['eventid'] : null;
  if(!is_null($cal)) {
  	$calendar = OC_Calendar_App::getCalendar($cal, true);
  	if(!$calendar) {
  		header('HTTP/1.0 403 Forbidden');
  		exit;
  	}
  	header('Content-Type: text/calendar');
  	header('Content-Disposition: inline; filename=' . str_replace(' ', '-', $calendar['displayname']) . '.ics');
  	echo OC_Calendar_Export::export($cal, OC_Calendar_Export::CALENDAR);
  }elseif(!is_null($event)) {
  	$data = OC_Calendar_App::getEventObject($_GET['eventid'], true);
  	if(!$data) {
  		header('HTTP/1.0 403 Forbidden');
  		exit;
  	}
  	header('Content-Type: text/calendar');
  	header('Content-Disposition: inline; filename=' . str_replace(' ', '-', $data['summary']) . '.ics');
  	echo OC_Calendar_Export::export($event, OC_Calendar_Export::EVENT);
  }