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egroupware_official/phpgwapi/user.php

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<?php
/**
* API: loading user preferences and data
*
* Usage: /egroupware/phpgwapi/lang.php?user=123
*
* @link www.egroupware.org
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @package addressbook
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id$
*/
// 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' => 'home',
'noheader' => true,
'nocachecontrol' => true,
)
);
include '../header.inc.php';
// use an etag over config and link-registry
$preferences = json_encode($GLOBALS['egw_info']['user']['preferences']['common']);
$ab_preferences = json_encode($GLOBALS['egw_info']['user']['preferences']['addressbook']);
$user = $GLOBALS['egw']->accounts->json($GLOBALS['egw_info']['user']['account_id']);
$etag = '"'.md5($preferences.$ab_preferences.$user).'"';
// headers to allow caching, egw_framework specifies etag on url to force reload, even with Expires header
egw_session::cache_control(86400); // cache for 1 day
Header('Content-Type: text/javascript; 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");
common::egw_exit();
}
$content = 'egw.set_preferences('.$preferences.", 'common');\n";
$content .= 'egw.set_preferences('.$ab_preferences.", 'addressbook');\n";
$content .= 'egw.set_user('.$user.");\n";
// we run our own gzip compression, to set a correct Content-Length of the encoded content
if (in_array('gzip', explode(',',$_SERVER['HTTP_ACCEPT_ENCODING'])) && function_exists('gzencode'))
{
$content = gzencode($content);
header('Content-Encoding: gzip');
}
// Content-Lenght header is important, otherwise browsers dont cache!
Header('Content-Length: '.bytes($content));
echo $content;