xyzshop/helper/refill/api/lingzh/sctongqian/RefillCallBack.php

<?php
namespace refill\sctongqian;
require_once(BASE_HELPER_RAPI_PATH . '/sctongqian/config.php');

use refill;
class RefillCallBack implements refill\IRefillCallBack
{
    public function verify($params): bool
    {
        $sign = $this->sign($params);
        if ($params['Sign'] == $sign) {
            return true;
        } else {
            return false;
        }
    }

    private function sign($params)
    {
        $content = config::APP_KEY . $params['TimesTamp'] . $params['MOrderID'] . $params['OrderID'] . $params['State'] . $params['ChargeAccount'];
        $content .= $params['BuyCount'] . config::App_Secret;
        return strtoupper(md5($content));
    }

    public function notify($params)
    {
        $status = intval($params['State']);
        $order_sn = $params['MOrderID'];
        $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 === 2) {
            //卡密信息,需返回
            $CardInfo = $this->rsa_decode($params['CardInfo']);
            return [$order_id, true, false,true];
        }
        elseif ($status === 3) {
            return [$order_id, false, true,true];
        }
        else {
            return [$order_id, false, false,false];
        }
    }

    private function rsa_decode($encrypted)
    {
        $private_key = config::PRIVATE_KEY;
        //使用私钥解密数据
        openssl_private_decrypt(base64_decode($encrypted), $decrypted,$private_key);
        return $decrypted;
    }
}