<?php

/*
 * This file is part of the overtrue/wechat.
 *
 * (c) overtrue <i@overtrue.me>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace TuzhiEasyWeChat\Channels\Server;

use TuzhiEasyWeChat\Kernel\ServerGuard;
use TuzhiEasyWeChat\Kernel\Encryptor;
/**
 * Class Guard.
 *
 * @author overtrue <i@overtrue.me>
 */
class Guard extends ServerGuard
{
    protected function shouldReturnRawResponse(): bool
    {
        return !is_null($this->app['request']->get('echostr'));
    }

    /**
     * @return mixed
     *
     * @throws \EasyWeChat\Kernel\Exceptions\RuntimeException
     */
    protected function decryptMessage(array $message)
    {
        $encryptor = new Encryptor($this->app['config']->get('app_id'), $this->app['config']->get('token'), $this->app['config']->get('aes_key'));

        return $message = $encryptor->decrypt(
            $message['Encrypt'],
            $this->app['request']->get('msg_signature'),
            $this->app['request']->get('nonce'),
            $this->app['request']->get('timestamp')
        );
    }
}