xyzshop/helper/refill/api/xyz/dinghui/RefillCallBack.php

<?php
namespace refill\dinghui;

require_once(BASE_HELPER_RAPI_PATH . '/dinghui/config.php');

use refill;
class RefillCallBack implements refill\IRefillCallBack
{
    public function verify($params): bool
    {
        $res = $this->decrypt($params);
        if ($res == 1) {
            return true;
        } else {
            return false;
        }
    }

    private function decrypt($params)
    {
        $sign = $params['sign'];
        unset($params['sign']);
        $content = '';
        ksort($params);
        foreach ($params as $key => $val){
            $content .= "{$key}={$val}&";
        }
        $content = rtrim($content,'&');

        return openssl_verify($content, hex2bin($sign), config::PUBLIC_KEY);
    }

    private function message_decrypt($message)
    {
        return json_decode(openssl_decrypt($message, 'AES-256-ECB', config::AES_KEY, 0, ''));
    }


    public function notify($params)
    {
        $data = $this->message_decrypt($params['message']);
        $status = $data->charge_result;
        $order_sn = $data->app_order_no;
        $order_info = Model('vr_order')->getOrderInfo(['order_sn' => $order_sn]);
        if (empty($order_info)) {
            return [false, false, false,false];
        }
        $order_id = $order_info['order_id'];

        if ($status === 'SUCCESS') {
            return [$order_id, true, false,true];
        }
        elseif ($status === 'FAILED') {
            return [$order_id, false, true,true];
        }
        else {
            return [$order_id, false, false,false];
        }
    }
}