mirror of https://github.com/friendica/friendica
75 lines
2.1 KiB
PHP
75 lines
2.1 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2021, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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use Friendica\Core\Logger;
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use Friendica\DI;
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$uid = $_REQUEST['puid'] ?? 0;
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$style = DI::pConfig()->get($uid, 'vier', 'style');
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if (empty($style)) {
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$style = DI::config()->get('vier', 'style');
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}
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if (empty($style)) {
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$style = "plus";
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}
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$stylecss = '';
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$modified = '';
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$style = \Friendica\Util\Strings::sanitizeFilePathItem($style);
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foreach (['style', $style] as $file) {
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$stylecssfile = $THEMEPATH . DIRECTORY_SEPARATOR . $file .'.css';
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if (file_exists($stylecssfile)) {
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$stylecss .= file_get_contents($stylecssfile);
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$stylemodified = filemtime($stylecssfile);
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if ($stylemodified > $modified) {
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$modified = $stylemodified;
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}
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} else {
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//TODO: use Logger::ERROR?
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Logger::log('Error: missing file: "' . $stylecssfile .'" (userid: '. $uid .')');
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}
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}
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$modified = gmdate('r', $modified);
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$etag = md5($stylecss);
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// Only send the CSS file if it was changed
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header('Cache-Control: public');
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header('ETag: "'.$etag.'"');
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header('Last-Modified: '.$modified);
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if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
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$cached_modified = gmdate('r', strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']));
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$cached_etag = str_replace(['"', "-gzip"], ['', ''],
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stripslashes($_SERVER['HTTP_IF_NONE_MATCH']));
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if (($cached_modified == $modified) && ($cached_etag == $etag)) {
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header('HTTP/1.1 304 Not Modified');
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exit();
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}
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}
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echo $stylecss;
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