777c3ee325
A lazy implementation of the DisplayResponse that only hits the filesystem if the etag and mtime do not match.
70 lines
2 KiB
PHP
70 lines
2 KiB
PHP
<?php
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/**
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* @copyright 2016 Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCP\AppFramework\Http;
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use OCP\AppFramework\Http;
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use OCP\Files\File;
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/**
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* Class FileDisplayResponse
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*
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* @package OCP\AppFramework\Http
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* @since 9.2.0
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*/
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class FileDisplayResponse extends Response implements ICallbackResponse {
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/** @var File */
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private $file;
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/**
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* FileDisplayResponse constructor.
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*
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* @param File $file
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* @param int $statusCode
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* @param array $headers
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* @since 9.2.0
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*/
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public function __construct(File $file, $statusCode=Http::STATUS_OK,
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$headers=[]) {
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$this->file = $file;
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$this->setStatus($statusCode);
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$this->setHeaders(array_merge($this->getHeaders(), $headers));
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$this->addHeader('Content-Disposition', 'inline; filename="' . rawurldecode($file->getName()) . '"');
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$this->setETag($file->getEtag());
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$lastModified = new \DateTime();
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$lastModified->setTimestamp($file->getMTime());
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$this->setLastModified($lastModified);
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}
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/**
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* @param IOutput $output
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* @since 9.2.0
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*/
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public function callback(IOutput $output) {
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if ($output->getHttpResponseCode() !== Http::STATUS_NOT_MODIFIED) {
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$output->setHeader('Content-Length: ' . $this->file->getSize());
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$output->setOutput($this->file->getContent());
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}
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}
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}
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