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

<?php
namespace refill\duojing;

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

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

    private function sign($params)
    {
        $content = '';
        ksort($params);
        foreach ($params as $key => $val)
        {
            if(false === $this->check_empty($val)) {
                $content .= "{$key}={$val}&";
            }
        }
        $content .= "key=".config::KEY;

        return strtoupper(md5($content));
    }


    protected function check_empty($value)
    {
        if (!isset($value))
            return true;
        if ($value === null)
            return true;
        if (trim($value) === "")
            return true;

        return false;
    }

    public function notify($params)
    {
        $order_sn = $params['orderId'];
        $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'];
        $status = $params['status'];
        if ($status === 'SUCCESS') {
            return [$order_id, true, false, true];
        } elseif ($status === 'FAIL') {
            return [$order_id, false, true, true];
        } else {
            return [$order_id, false, false, false];
        }
    }
}