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

<?php
namespace refill\xiaoniu;
require_once(BASE_HELPER_RAPI_PATH . '/xiaoniu/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;
        }
    }

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

        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 md5($content);
    }

    //[$order_id, $success, $can_try, $need_handle]
    public function notify($params)
    {
        $status = intval($params['status']);
        $order_sn = $params['mOrderNo'];
        $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 === 1) {
            $data['official_sn'] = strtolower($params['content']) == 'null' ? '' : $params['content'];
            Model('refill_order')->edit($order_id, $data);
            return [$order_id, true, false,true];
        }
        elseif ($status === 2) {
            return [$order_id, false, true,true];
        }
        else {
            return [$order_id, false, false,false];
        }
    }
}