73 lines
2.3 KiB
PHP
73 lines
2.3 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (C) 2010-2022, the Friendica project
|
|
*
|
|
* @license GNU AGPL version 3 or any later version
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
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;
|