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40 lines
1.2 KiB
PHP
40 lines
1.2 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OC\AppFramework\Middleware;
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use OCP\AppFramework\Http;
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use OCP\AppFramework\Http\Response;
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use OCP\AppFramework\Middleware;
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use OCP\IRequest;
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class NotModifiedMiddleware extends Middleware {
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/** @var IRequest */
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private $request;
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public function __construct(IRequest $request) {
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$this->request = $request;
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}
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public function afterController($controller, $methodName, Response $response) {
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$etagHeader = $this->request->getHeader('IF_NONE_MATCH');
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if ($etagHeader !== '' && $response->getETag() !== null && trim($etagHeader) === '"' . $response->getETag() . '"') {
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$response->setStatus(Http::STATUS_NOT_MODIFIED);
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return $response;
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}
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$modifiedSinceHeader = $this->request->getHeader('IF_MODIFIED_SINCE');
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if ($modifiedSinceHeader !== '' && $response->getLastModified() !== null && trim($modifiedSinceHeader) === $response->getLastModified()->format(\DateTimeInterface::RFC2822)) {
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$response->setStatus(Http::STATUS_NOT_MODIFIED);
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return $response;
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}
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return $response;
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}
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}
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