qimall/common/helpers/WechatHelper.php

<?php

/**
 * @link:http://www.gdqijianshi.com/
 * @copyright: Copyright (c) 2020 广东七件事集团
 * Created by PhpStorm
 * Author: ganxiaohao
 * Date: 2020-04-22
 * Time: 16:07
 */

namespace common\helpers;


use app\core\payment\PaymentException;
use common\models\common\MallSetting;
use EasyWeChat\Factory;
use Yii;


/**
 * Class WechatHelper
 * @package app\helpers
 * @Notes 微信助手类
 */
class WechatHelper
{
    const TRADE_TYPE_JSAPI = "JSAPI";
    const SIGN_TYPE_MD5 = "md5";
    const TRADE_TYPE_APP = "APP";

    /**
     * @Author: 广东七件事 ganxiaohao
     * @Date: 2020-04-22
     * @Time: 16:29
     * @Note:验证token是否一致
     * @param $signature 微信加密签名，signature结合了开发者填写的token参数和请求中的timestamp参数、nonce参数
     * @param $timestamp 时间戳
     * @param $nonce 随机数
     * @return bool
     */
    public static function verifyToken($signature, $timestamp, $nonce)
    {
        $config = Yii::$app->params['wechatConfig'];
        $token = $config['token'] ?? '';
        $tmpArr = [$token, $timestamp, $nonce];
        sort($tmpArr, SORT_STRING);
        $tmpStr = implode($tmpArr);
        $tmpStr = sha1($tmpStr);
        return $tmpStr == $signature ? true : false;
    }


    /**
     * @Author: 广东七件事 ganxiaohao
     * @Date: 2020-04-22
     * @Time: 16:29
     * @Note:告诉微信已经成功了
     * @return bool|string
     */
    public static function success()
    {
        return ArrayHelper::toXml(['return_code' => 'SUCCESS', 'return_msg' => 'OK']);
    }

    /**
     * @Author: 广东七件事 ganxiaohao
     * @Date: 2020-04-22
     * @Time: 16:29
     * @Note:告诉微信失败了
     * @return bool|string
     */
    public static function fail()
    {
        return ArrayHelper::toXml(['return_code' => 'FAIL', 'return_msg' => 'OK']);
    }

    /**
     * 数组转换成XML数据
     * @param $array
     * @return string
     * @throws PaymentException
     */
    public static function arrayToXml($array)
    {
        if (!is_array($array)) {
            throw new PaymentException('`$arr`不是有效的array。');
        }
        $xml = "<xml>\r\n";
        $xml .= self::arrayToXmlSub($array);
        $xml .= "</xml>";
        return $xml;
    }

    /**
     * 数组转xml公共方法
     * @param $array
     * @return string
     * @throws PaymentException
     */
    private static function arrayToXmlSub($array)
    {
        if (!is_array($array)) {
            throw new PaymentException('`$array`不是有效的array。');
        }
        $xml = "";
        foreach ($array as $key => $val) {
            if (is_array($val)) {
                if (is_numeric($key)) {
                    $xml .= self::arrayToXmlSub($val);
                } else {
                    $xml .= "<" . $key . ">" . self::arrayToXmlSub($val) . "</" . $key . ">\r\n";
                }
            } elseif (is_numeric($val)) {
                $xml .= "<" . $key . ">" . $val . "</" . $key . ">\r\n";
            } else {
                $xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">\r\n";
            }
        }
        return $xml;
    }

    /**
     * XML数据转换成array数组
     * @param string $xml
     * @return array
     */
    public static function xmlToArray($xml)
    {
        $res = [];
        if(self::isXmlString($xml)){
            // 禁止引用外部xml实体
            libxml_disable_entity_loader(true);
            $res = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);
        }
        return (array)$res;
    }

    /**
     * 是否是xml
     * @param $str
     * @return bool|mixed
     */
    public static function isXmlString($str)
    {
        $xml_parser = xml_parser_create();
        if (!xml_parse($xml_parser, $str, true)) {
            xml_parser_free($xml_parser);
            return false;
        } else {
            return (json_decode(json_encode(simplexml_load_string($str)), true));
        }
    }

    public static function sendTemplateMessage($mall_id,$type,$open_id,$url,$value_arr=[]){
        $mall_setting = MallSetting::getConfByGroup($mall_id, 'mall_basic', true);
        if (empty($mall_setting['notice_wechat']['template_message']['value'])) return false;
        if (empty($mall_setting['notice_wechat']['is_open'])) return false;
        $notice_wechat_template_message_value = json_decode($mall_setting['notice_wechat']['template_message']['value'], true);
        if (empty($notice_wechat_template_message_value[$type])) return false;
        $tem_key = $notice_wechat_template_message_value[$type]['tem_key'] ?? '';
        $temp_id = $notice_wechat_template_message_value[$type]['tempid'] ?? '';
        if(empty($temp_id)||empty($tem_key)) return false;
        $wechat = \Yii::$app->services->setting->mall->get($mall_id, 'wechat');
        $config = [
            'app_id' => $wechat['app_id'] ?? '',
            'secret' => $wechat['secret'] ?? '',
            'token' => $wechat['token'] ?? '',
            'aes_key' => $wechat['aes_key'] ?? '',
        ];
        $app = Factory::officialAccount($config);
        $data = [
            'touser' => $open_id,
            'template_id' => $temp_id,
            'url' => $url,
            'miniprogram' => [
                'appid' => '',
                'pagepath' => '',
            ],
            'data' => $value_arr,
        ];
        $app->template_message->send($data);
    }
}