mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-25 01:13:25 +01:00
83 lines
2.9 KiB
PHP
83 lines
2.9 KiB
PHP
<?php
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/**
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* API: loading translation from server
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*
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* Usage:
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* - /egroupware/api/lang.php?app=infolog&lang=de
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* - /egroupware/api/lang.php?app=infolog&lang=de&debug=1 gives pretty-printed JSON
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*
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* @link www.egroupware.org
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* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* @package api
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @version $Id$
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*/
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use EGroupware\Api;
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// just to be sure, noone tries something nasty ...
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if (!preg_match('/^[a-z0-9_]+$/i', $_GET['app'])) die('No valid application-name given!');
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if (!preg_match('/^[a-z]{2}(-[a-z]{2})?$/i', $_GET['lang'])) die('No valid lang-name given!');
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// switch evtl. set output-compression off, as we cant calculate a Content-Length header with transparent compression
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ini_set('zlib.output_compression', 0);
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$GLOBALS['egw_info'] = array(
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'flags' => array(
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'currentapp' => 'api',
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'noheader' => true,
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'load_translations' => false, // do not automatically load translations
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'nocachecontrol' => true,
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)
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);
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try
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{
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include('../header.inc.php');
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}
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catch (\EGroupware\Api\Exception\NoPermission\App $e)
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{
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// ignore missing run rights for an app, as translations of other apps are loaded sometimes without run rights
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}
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// use an etag with app, lang and a hash over the creation-times of all lang-files
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$etag = '"'.$_GET['app'].'-'.$_GET['lang'].'-'. Api\Translation::etag($_GET['app'], $_GET['lang']).'"';
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// headers to allow caching, we specify etag on url to force reload, even with Expires header
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Api\Session::cache_control(864000); // cache for 10 days
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Header('Content-Type: '.(empty($_GET['debug'])?'text/javascript':'application/json').'; charset=utf-8');
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Header('ETag: '.$etag);
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// if servers send a If-None-Match header, response with 304 Not Modified, if etag matches
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if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && $_SERVER['HTTP_IF_NONE_MATCH'] == $etag)
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{
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header("HTTP/1.1 304 Not Modified");
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exit;
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}
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Api\Translation::init(false);
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Api\Translation::add_app($_GET['app'], $_GET['lang']);
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if (!count(Api\Translation::$lang_arr))
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{
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Api\Translation::add_app($_GET['app'], 'en');
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}
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// fix for phrases containing \n
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$content = str_replace('\\\\n', '\\n', json_encode(Api\Translation::$lang_arr,
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JSON_UNESCAPED_UNICODE | // send utf-8 unencoded, smaller and better readable
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JSON_UNESCAPED_SLASHES | // do not escape slashes, smaller and better readable
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(!empty($_GET['debug']) ? JSON_PRETTY_PRINT : 0)));
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if (empty($_GET['debug'])) $content = 'egw.set_lang_arr("'.$_GET['app'].'", '.$content.', egw && egw.window !== window);';
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// we run our own gzip compression, to set a correct Content-Length of the encoded content
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if (in_array('gzip', explode(',',$_SERVER['HTTP_ACCEPT_ENCODING'])) && function_exists('gzencode'))
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{
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$content = gzencode($content);
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header('Content-Encoding: gzip');
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}
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// Content-Lenght header is important, otherwise browsers dont cache!
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Header('Content-Length: '.bytes($content));
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echo $content;
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