mirror of
https://github.com/EGroupware/egroupware.git
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56 lines
1.9 KiB
PHP
56 lines
1.9 KiB
PHP
<?php
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/**
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* API: loading styles for TinyMCE incl. users preferred font and -size
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*
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* @link www.egroupware.org
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* @author Ralf Becker <rb-at-egroupware.org>
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* @package api
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* @license https://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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*/
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use EGroupware\Api;
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// switch evtl. set output-compression off, as we can't calculate a Content-Length header with transparent compression
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ini_set('zlib.output_compression', 0);
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$GLOBALS['egw_info'] = array(
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'flags' => array(
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'currentapp' => 'api',
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'noheader' => true,
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'nocachecontrol' => true,
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)
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);
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include '../header.inc.php';
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// release session, as we don't need it, and it blocks parallel requests
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$GLOBALS['egw']->session->commit_session();
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// use an etag over user prefs and modification time of HtmlArea
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$etag = '"'.md5(json_encode(array_intersect_key($GLOBALS['egw_info']['user']['preferences']['common'],
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array_flip(['rte_font', 'rte_font_size', 'rte_font_unit']))).filemtime(__DIR__.'/src/Etemplate/Widget/HtmlArea.php')).'"';
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// headers to allow caching, egw_framework specifies etag on url to force reload, even with Expires header
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Api\Session::cache_control(86400); // cache for 1 day
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Header('Content-Type: text/css');
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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'] === $etag)
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{
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header("HTTP/1.1 304 Not Modified");
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exit;
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}
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$content = Api\Etemplate\Widget\HtmlArea::contentCss();
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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; |