friendica-github/view/theme/vier/style.php
2024-08-24 12:20:23 +02:00

61 lines
1.7 KiB
PHP

<?php
/**
* Copyright (C) 2010-2024, the Friendica project
* SPDX-FileCopyrightText: 2010-2024 the Friendica project
*
* SPDX-License-Identifier: AGPL-3.0-or-later
*
*/
use Friendica\Core\Logger;
use Friendica\DI;
use Friendica\Network\HTTPException\NotModifiedException;
/*
* This script can be included when the maintenance mode is on, which requires us to avoid any config call and
* use the following hardcoded default
*/
$style = 'plus';
if (DI::mode()->has(\Friendica\App\Mode::MAINTENANCEDISABLED)) {
$uid = $_REQUEST['puid'] ?? 0;
$style = DI::pConfig()->get($uid, 'vier', 'style', DI::config()->get('vier', 'style', $style));
}
$stylecss = '';
$modified = '';
$style = \Friendica\Util\Strings::sanitizeFilePathItem($style);
foreach (['style', $style] as $file) {
$stylecssfile = $THEMEPATH . DIRECTORY_SEPARATOR . $file .'.css';
if (file_exists($stylecssfile)) {
$stylecss .= file_get_contents($stylecssfile);
$stylemodified = filemtime($stylecssfile);
if ($stylemodified > $modified) {
$modified = $stylemodified;
}
} else {
Logger::warning('Missing CSS file', ['file' => $stylecssfile, 'uid' => $uid]);
}
}
$modified = gmdate('r', $modified);
$etag = md5($stylecss);
// Only send the CSS file if it was changed
header('Cache-Control: public');
header('ETag: "'.$etag.'"');
header('Last-Modified: '.$modified);
if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
$cached_modified = gmdate('r', strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']));
$cached_etag = str_replace(['"', "-gzip"], ['', ''],
stripslashes($_SERVER['HTTP_IF_NONE_MATCH']));
if (($cached_modified == $modified) && ($cached_etag == $etag)) {
throw new NotModifiedException();
}
}
echo $stylecss;