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webman-靜態文件-靜態文件中間件

发布时间：2022-01-24 15:44:55编辑：雪饮阅读（）

 webman自带一个静态文件中间件，位置app/middleware/StaticFile.php。

有时我们需要对静态文件做一些处理，例如给静态文件增加跨域http头，禁止访问以点(.)开头的文件可以使用这个中间件。
靜態中間件：app/middleware/StaticFile.php中内容大概如：
<?php
/**
 * This file is part of webman.
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the MIT-LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @author    walkor<walkor@workerman.net>
 * @copyright walkor<walkor@workerman.net>
 * @link      http://www.workerman.net/
 * @license   http://www.opensource.org/licenses/mit-license.php MIT License
 */
 
namespace app\middleware;
 
use Webman\MiddlewareInterface;
use Webman\Http\Response;
use Webman\Http\Request;
 
/**
 * Class StaticFile
 * @package app\middleware
 */
class StaticFile implements MiddlewareInterface
{
    public function process(Request $request, callable $next) : Response
    {
        // Access to files beginning with. Is prohibited
        if (strpos($request->path(), '/.') !== false) {
            return response('<h1>403 forbidden</h1>', 403);
        }
        /** @var Response $response */
        $response = $next($request);
        // Add cross domain HTTP header
        /*$response->withHeaders([
            'Access-Control-Allow-Origin'      => '*',
            'Access-Control-Allow-Credentials' => 'true',
        ]);*/
        return $response;
    }
}
那麽假如我要開啓這個靜態中間件，則config/static.php:
<?php
/**
 * This file is part of webman.
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the MIT-LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @author    walkor<walkor@workerman.net>
 * @copyright walkor<walkor@workerman.net>
 * @link      http://www.workerman.net/
 * @license   http://www.opensource.org/licenses/mit-license.php MIT License
 */
 
/**
 * Static file settings
 */
return [
    'enable'     => true,
    'middleware' => [     // Static file Middleware
        app\middleware\StaticFile::class,
    ],
];
此時若我在public2（我這裏自定義了public目錄）中建立一個.ini文件，則直接訪問是不可行的，因爲上面中間件process方法中的if語句地方就是判斷以.開頭的文件名的，會返回403
[root@localhost ~]# wget http://192.168.1.10:8787/.ini
--2022-01-24 15:38:06--  http://192.168.1.10:8787/.ini
Connecting to 192.168.1.10:8787... connected.
HTTP request sent, awaiting response... 403 Forbidden
2022-01-24 15:38:06 ERROR 403: Forbidden.
那麽此時恢復config/static.php的内容為其默認内容：
<?php
/**
 * This file is part of webman.
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the MIT-LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @author    walkor<walkor@workerman.net>
 * @copyright walkor<walkor@workerman.net>
 * @link      http://www.workerman.net/
 * @license   http://www.opensource.org/licenses/mit-license.php MIT License
 */
 
/**
 * Static file settings
 */
return [
    'enable'     => true,
    'middleware' => [     // Static file Middleware
       // app\middleware\StaticFile::class,
    ],
];
也就是不使用靜態中間件，則再次訪問public2目錄中的.ini文件：
[root@localhost ~]# wget http://192.168.1.10:8787/.ini
--2022-01-24 15:38:20--  http://192.168.1.10:8787/.ini
Connecting to 192.168.1.10:8787... connected.
HTTP request sent, awaiting response... 200 OK
Length: 0 [application/octet-stream]
Saving to: ‘.ini’
 
    [ <=>                                                                                                                                                                 ] 0           --.-K/s   in 0s
 
2022-01-24 15:38:20 (0.00 B/s) - ‘.ini’ saved [0/0]
可以看到又可以訪問.開頭的文件名的文件了。