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- <?php
- declare(strict_types=1);
- /**
- * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
- * SPDX-License-Identifier: AGPL-3.0-or-later
- */
- 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(\DateTimeInterface::RFC2822)) {
- $response->setStatus(Http::STATUS_NOT_MODIFIED);
- return $response;
- }
- return $response;
- }
- }
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