<?php /** * Load holidays from server * * Called from calendar_view widget to get cachable holiday list. * It's broken out into a separate file to get around anonymous user not having * calendar run rights in sitemgr. * * @link www.egroupware.org * @author Nathan Gray * @package calendar * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License * @version $Id$ */ use EGroupware\Api; // switch evtl. set output-compression off, as we cant calculate a Content-Length header with transparent compression ini_set('zlib.output_compression', 0); $GLOBALS['egw_info'] = array( 'flags' => array( 'currentapp' => 'api', 'noheader' => true, 'nocachecontrol' => true, ) ); include '../header.inc.php'; $GLOBALS['egw_info']['flags']['currentapp'] = 'calendar'; $cal_bo = new calendar_bo(); $holidays = json_encode($cal_bo->read_holidays((int)$_GET['year'])); // use an etag over holidays $etag = '"'.md5($holidays).'"'; // headers to allow caching, egw_framework specifies etag on url to force reload, even with Expires header Api\Session::cache_control(86400); // cache for one day Header('Content-Type: application/json; charset=utf-8'); Header('ETag: '.$etag); // if servers send a If-None-Match header, response with 304 Not Modified, if etag matches if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && $_SERVER['HTTP_IF_NONE_MATCH'] == $etag) { header("HTTP/1.1 304 Not Modified"); exit; } // Content-Lenght header is important, otherwise browsers dont cache! Header('Content-Length: '.bytes($holidays)); echo $holidays;