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Symfony

Symfony is a set of reusable PHP components and a PHP framework to build web applications, APIs, microservices and web services.

This guide has been tested successfully in version 4.3, but I think it can be used older versions as well.

Symfony doesn't have a middleware concept, therefore you can create a parent controller to implement Shieldon Firewall just like the steps in our CodeIgniter guide.

If you don't like to initialize Shieldon Firewall in a parent controller, here are the steps that called Bootstrap mode you can try.

Firewall in Symfony Framework

Installation

Use PHP Composer:

composer require shieldon/shieldon

Implementing

Bootstrap

1. Before initializing Kernel

In your config/bootstrap.php, after this line:

require dirname(__DIR__).'/vendor/autoload.php';

Add the following code:

/*
|--------------------------------------------------------------------------
| Run The Shieldon Firewall
|--------------------------------------------------------------------------
|
| Shieldon Firewall will watch all HTTP requests coming to your website.
*/

if (isset($_SERVER['REQUEST_URI'])) {

    // Notice that this directory must be writable.
    $firewallstorage = __DIR__ . '/../storage/shieldon';

    $firewall = new \Shieldon\Firewall($firewallstorage);
    $firewall->restful();
    $firewall->run();
}

2. Define a Route for Firewall Panel.

Create a controller named FirewallPanelController by typing the following command.

php bin/console make:controller FirewallPanelController

Add several lines in the FirewallPanelController controller class:

$firewall = \Shieldon\Container::get('firewall');
$controlPanel = new \Shieldon\FirewallPanel($firewall);
$controlPanel->entry();
exit;

If you have CSRF enabled, add these lines:

$csrf = $this->container->get('security.csrf.token_manager');
$token = $csrf->refreshToken('key');

The full example will look like this:

<?php

namespace App\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\Routing\Annotation\Route;

class FirewallPanelController extends AbstractController
{
    /**
     * @Route("/firewall/panel", name="firewall_panel")
     */
    public function index()
    {
        $firewall = \Shieldon\Container::get('firewall');
        $controlPanel = new \Shieldon\FirewallPanel($firewall);

        // If you have `symfony/security-csrf` installed.
        $csrf = $this->container->get('security.csrf.token_manager');
        $token = $csrf->refreshToken('key');

        $controlPanel->csrf('_token', $token);
        $controlPanel->entry();
        exit;
    }
}

That's it.

You can access the Firewall Panel by /firewall/panel, to see the page, go to this URL in your browser.

https://for.example.com/firewall/panel

The default login is shieldon_user and password is shieldon_pass. After logging in the Firewall Panel, the first thing you need to do is to change the login and password.

Shieldon Firewall will start watching your website if it get enabled in Deamon setting section, make sure you have set up the settings correctly.

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