mirror of
https://github.com/friendica/friendica
synced 2024-11-18 02:23:40 +00:00
61 lines
1.7 KiB
PHP
61 lines
1.7 KiB
PHP
<?php
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/**
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* Copyright (C) 2010-2024, the Friendica project
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* SPDX-FileCopyrightText: 2010-2024 the Friendica project
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*
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* SPDX-License-Identifier: AGPL-3.0-or-later
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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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use Friendica\Network\HTTPException\NotModifiedException;
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/*
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* This script can be included when the maintenance mode is on, which requires us to avoid any config call and
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* use the following hardcoded default
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*/
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$style = 'plus';
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if (DI::mode()->has(\Friendica\App\Mode::MAINTENANCEDISABLED)) {
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$uid = $_REQUEST['puid'] ?? 0;
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$style = DI::pConfig()->get($uid, 'vier', 'style', DI::config()->get('vier', 'style', $style));
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}
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$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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Logger::warning('Missing CSS file', ['file' => $stylecssfile, 'uid' => $uid]);
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}
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}
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$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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throw new NotModifiedException();
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}
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}
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echo $stylecss;
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