<?php
// +----------------------------------------------------------------------
// | [ WE CAN DO IT MORE SIMPLE ]
// +----------------------------------------------------------------------
// | Copyright (c) 2018-2020 rights reserved.
// +----------------------------------------------------------------------
// | Author: YingZi
// +----------------------------------------------------------------------
// | Date: 2022-05-27 15:14
// +----------------------------------------------------------------------
declare (strict_types = 1);
namespace library\utils;
use WeChatPay\Builder;
use WeChatPay\Formatter;
use WeChatPay\Crypto\Rsa;
use WeChatPay\Crypto\AesGcm;
use WeChatPay\Crypto\AesEcb;
use WeChatPay\Crypto\Hash;
use WeChatPay\Util\PemUtil;
use WeChatPay\Transformer;
class WxpayV2{
private $config;
private $client;
public $errorMsg;
/**
* 构造函数
* @param type $config
*/
public function __construct($config = []){
if(empty($config)) $config = config('wxpay');
$this->config = $config;
// 工厂方法构造一个实例
$this->client = Builder::factory([
'mchid' => $this->config["MCHID"],
'serial' => 'nop',
'privateKey' => 'any',
'certs' => ['any' => null],
'secret' => $this->config["ApiV2Key"],
'merchant' => [
'cert' => $this->config["ApiclientCert"],
'key' => $this->config["ApiclientKey"],
],
]);
}
public function wxmpPay($post=[]){
$apiUrl = "v2/pay/unifiedorder";
//sign_type默认MD5不用传
$params = [
'appid' => $this->config["APPID"], // 小程序ID/微信开放平台审核通过的应用APPID
'mch_id' => $this->config["MCHID"], // 商户号
'nonce_str' => Formatter::nonce(), // 32位随机字符串
'body' => empty($post["body"]) ? "微信小程序支付" : $post["body"],
'attach' => empty($post["attach"])? "微信小程序支付" : $post["attach"],
'out_trade_no' => $post["out_trade_no"], // 商户订单号
'total_fee' => (int)(floatval($post["total"])*100), // 订单总金额,单位分
'spbill_create_ip' => empty($post["payer_client_ip"]) ? "127.0.0.1" : $post["payer_client_ip"], // 终端ip
'time_expire' => date("YmdHis",time()+30*60),//交易结束时间2018-06-08T10:34:56+08:00
'notify_url' => $this->config["NOTIFY_URL"], // 通知地址
'trade_type' => "JSAPI", // 交易类型
'openid' => $post["openid"],
];
$result = $this->clientHttp("POST", $apiUrl, $params);
if(empty($result)){
if(empty($this->errorMsg)){
$this->errorMsg = "支付错误001";
}
return false;
}
$resuleAr = Transformer::toArray($result);
if(empty($resuleAr)){
if(empty($this->errorMsg)){
$this->errorMsg = "支付错误002";
}
return false;
}
if(empty($resuleAr["prepay_id"])){
if(empty($this->errorMsg)){
$this->errorMsg = "支付错误003";
}
return false;
}
//组装支付参数
$payInfo=array();
$payInfo['appId'] = $this->config["APPID"];
$payInfo['timeStamp'] = time();
$payInfo['nonceStr'] = Formatter::nonce();//生成随机数
$payInfo["package"] = "prepay_id=".$resuleAr["prepay_id"];
$payInfo['signType'] = 'MD5';
$payInfo['paySign'] = $this->v2makeSign($payInfo);
return $payInfo;
}
public function v2makeSign($values) {
//签名步骤一：按字典序排序参数
ksort($values);
$string = $this->ToUrlParams($values);
//签名步骤二：在string后加入KEY
$string = $string . "&key=" . $this->config["ApiV2Key"];
//签名步骤三：MD5加密
$string = md5($string);
//签名步骤四：所有字符转为大写
$result = strtoupper($string);
return $result;
}
/**
* 参数数组转换为url参数
* @param array $urlObj
*/
private function ToUrlParams($urlObj) {
$buff = "";
foreach ($urlObj as $k => $v) {
$buff .= $k . "=" . $v . "&";
}
$buff = trim($buff, "&");
return $buff;
}
/**
* 订单查询
* @param type $out_trade_no
*/
public function searchOrderQuery($out_trade_no){
$apiUrl = "v2/pay/orderquery";
$result = $this->clientHttp("POST", $apiUrl, [
'appid' => $this->config["APPID"], // 小程序ID/微信开放平台审核通过的应用APPID
'mch_id' => $this->config["MCHID"], // 商户号
"out_trade_no" =>$out_trade_no,
'nonce_str' => Formatter::nonce(), // 32位随机字符串
]);
if(empty($result)){
if(empty($this->errorMsg)){
$this->errorMsg = "支付错误001";
}
return false;
}
return Transformer::toArray($result);
}
/**
* 关闭订单
* @param type $out_trade_no 商户订单号
*/
public function closeOrder($out_trade_no){
$apiUrl = "v3/pay/transactions/out-trade-no/{out_trade_no}/close";
$result = $this->clientHttp("GET", $apiUrl,[
"out_trade_no"=>$out_trade_no,
"query"=>["mchid"=>$this->config["MCHID"]],
]);
return $result;
}
/**
* 回调验签
* @param type $inBody
* @return bool
*/
public function notifyCheckSign($inBody){
$apiv2Key = $this->config["ApiV2Key"];// 在商户平台上设置的APIv2密钥
$inBodyArray = Transformer::toArray($inBody);
$signType = empty($inBodyArray["sign_type"]) ? Hash::ALGO_MD5 : $inBodyArray["sign_type"];
$sign = $inBodyArray["sign"];
$calculated = Hash::sign(
$signType,// 如没获取到`sign_type`，假定默认为`MD5`
Formatter::queryStringLike(Formatter::ksort($inBodyArray)),
$apiv2Key
);
$signatureStatus = Hash::equals($calculated, $sign);
if ($signatureStatus) {
// 如需要解密的
$inBodyReqInfoArray = null;
if(!empty($inBodyArray['req_info'])){
$reqInfo = $inBodyArray['req_info'];
$inBodyReqInfoXml = AesEcb::decrypt($reqInfo, Hash::md5($apiv2Key));
$inBodyReqInfoArray = Transformer::toArray($inBodyReqInfoXml);
}
return [
"data"=>$inBodyArray,//消息体
"info"=>$inBodyReqInfoArray//解密数据
];
}
return $signatureStatus;
}
/**
* http提交[同步请求]
* @param type $type
* @param type $url 示例:v3/pay/transactions/native
* @param type $json
* @return boolean
*/
private function clientHttp($type='POST',$url='',$json=[]){
try {
$resp=null;
if($type=="POST"){
$resp = $this->client->chain($url)->post(['xml' => $json]);
if(empty($json)){
$resp = $this->client->chain($url)->post();
}else{
$resp = $this->client->chain($url)->post(['xml' => $json]);
}
}
if($type=="GET"){
if(empty($json)){
$resp = $this->client->chain($url)->get();
}else{
$resp = $this->client->chain($url)->get($json);
}
}
if(empty($resp)){
$this->errorMsg="提交方式错误";
return false;
}
$statusCode = $resp->getStatusCode();
if ($statusCode == 200) { //处理成功
return $resp->getBody()->getContents();
} else if ($statusCode == 204) { //处理成功，无返回Body
$this->errorMsg = "处理成功，无返回Body";
return false;
}else{
$this->errorMsg = "未知错误";
return false;
}
} catch (\Exception $e) {
// var_dump($e->getMessage());
// 进行错误处理
$this->errorMsg = $e->getMessage();
if ($e instanceof \GuzzleHttp\Exception\RequestException && $e->hasResponse()) {
$r = $e->getResponse();
$this->errorMsg=$r->getStatusCode()."".$r->getReasonPhrase().$r->getBody();
}
return false;
}
}
}