57 lines
1.9 KiB
PHP
57 lines
1.9 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
declare(strict_types=1);
|
||
|
|
/**
|
||
|
|
* @copyright Copyright (c) 2020, Roeland Jago Douma <roeland@famdouma.nl>
|
||
|
|
*
|
||
|
|
* @author Roeland Jago Douma <roeland@famdouma.nl>
|
||
|
|
*
|
||
|
|
* @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 <http://www.gnu.org/licenses/>.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
namespace OC\AppFramework\Middleware;
|
||
|
|
|
||
|
|
use OCP\AppFramework\Http;
|
||
|
|
use OCP\AppFramework\Http\Response;
|
||
|
|
use OCP\AppFramework\Middleware;
|
||
|
|
use OCP\IRequest;
|
||
|
|
|
||
|
|
class NotModifiedMiddleware extends Middleware {
|
||
|
|
/** @var IRequest */
|
||
|
|
private $request;
|
||
|
|
|
||
|
|
public function __construct(IRequest $request) {
|
||
|
|
$this->request = $request;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function afterController($controller, $methodName, Response $response) {
|
||
|
|
$etagHeader = $this->request->getHeader('IF_NONE_MATCH');
|
||
|
|
if ($etagHeader !== '' && $response->getETag() !== null && trim($etagHeader) === '"' . $response->getETag() . '"') {
|
||
|
|
$response->setStatus(Http::STATUS_NOT_MODIFIED);
|
||
|
|
return $response;
|
||
|
|
}
|
||
|
|
|
||
|
|
$modifiedSinceHeader = $this->request->getHeader('IF_MODIFIED_SINCE');
|
||
|
|
if ($modifiedSinceHeader !== '' && $response->getLastModified() !== null && trim($modifiedSinceHeader) === $response->getLastModified()->format(\DateTime::RFC2822)) {
|
||
|
|
$response->setStatus(Http::STATUS_NOT_MODIFIED);
|
||
|
|
return $response;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $response;
|
||
|
|
}
|
||
|
|
}
|