misc_pterodactyl-panel/app/Http/Middleware/DaemonAuthenticate.php

<?php
/**
 * Pterodactyl - Panel
 * Copyright (c) 2015 - 2017 Dane Everitt <dane@daneeveritt.com>.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

namespace Pterodactyl\Http\Middleware;

use Closure;
use Pterodactyl\Models\Node;
use Illuminate\Contracts\Auth\Guard;

class DaemonAuthenticate
{
    /**
     * The Guard implementation.
     *
     * @var \Illuminate\Contracts\Auth\Guard
     */
    protected $auth;

    /**
     * An array of route names to not apply this middleware to.
     *
     * @var array
     */
    protected $except = [
        'daemon.configuration',
    ];

    /**
     * Create a new filter instance.
     *
     * @param  \Illuminate\Contracts\Auth\Guard  $auth
     * @return void
     */
    public function __construct(Guard $auth)
    {
        $this->auth = $auth;
    }

    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure                  $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        if (in_array($request->route()->getName(), $this->except)) {
            return $next($request);
        }

        if (! $request->header('X-Access-Node')) {
            return abort(403);
        }

        $node = Node::where('daemonSecret', $request->header('X-Access-Node'))->first();
        if (! $node) {
            return abort(404);
        }

        return $next($request);
    }
}