90 lines
2.2 KiB
PHP
90 lines
2.2 KiB
PHP
<?php
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/**
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* This file is part of webman.
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the MIT-LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @author walkor<walkor@workerman.net>
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* @copyright walkor<walkor@workerman.net>
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* @link http://www.workerman.net/
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* @license http://www.opensource.org/licenses/mit-license.php MIT License
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*/
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namespace Webman\Http;
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use Throwable;
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use Webman\App;
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use function filemtime;
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use function gmdate;
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/**
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* Class Response
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* @package Webman\Http
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*/
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class Response extends \Workerman\Protocols\Http\Response
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{
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/**
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* @var Throwable
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*/
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protected $exception = null;
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/**
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* File
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* @param string $file
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* @return $this
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*/
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public function file(string $file): Response
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{
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if ($this->notModifiedSince($file)) {
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return $this->withStatus(304);
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}
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return $this->withFile($file);
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}
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/**
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* Download
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* @param string $file
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* @param string $downloadName
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* @return $this
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*/
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public function download(string $file, string $downloadName = ''): Response
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{
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$this->withFile($file);
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if ($downloadName) {
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// Sanitize to prevent header injection
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$downloadName = str_replace(['"', "\r", "\n", "\0"], '', $downloadName);
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$this->header('Content-Disposition', "attachment; filename=\"$downloadName\"");
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}
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return $this;
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}
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/**
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* NotModifiedSince
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* @param string $file
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* @return bool
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*/
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protected function notModifiedSince(string $file): bool
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{
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$ifModifiedSince = App::request()->header('if-modified-since');
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if ($ifModifiedSince === null || !is_file($file) || !($mtime = filemtime($file))) {
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return false;
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}
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return $ifModifiedSince === gmdate('D, d M Y H:i:s', $mtime) . ' GMT';
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}
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/**
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* Exception
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* @param Throwable|null $exception
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* @return Throwable|null
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*/
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public function exception(?Throwable $exception = null): ?Throwable
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{
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if ($exception) {
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$this->exception = $exception;
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}
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return $this->exception;
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}
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}
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