409 lines
14 KiB
PHP
409 lines
14 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | 萤火商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2017~2023 https://www.yiovo.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
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// +----------------------------------------------------------------------
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// | Author: 萤火科技 <admin@yiovo.com>
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// +----------------------------------------------------------------------
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namespace app\common\library\wechat;
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use app\common\model\wxapp\Setting as WxappSettingModel;
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use app\common\enum\OrderType as OrderTypeEnum;
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use app\common\enum\order\PayType as OrderPayTypeEnum;
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use app\common\library\helper;
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use cores\exception\BaseException;
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/**
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* 微信支付
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* Class WxPay
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* @package app\common\library\wechat
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*/
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class WxPay extends WxBase
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{
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// 微信支付配置
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private $config;
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// 当前商城ID
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private $storeId;
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// 订单模型
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private $modelClass = [
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OrderTypeEnum::ORDER => \app\api\service\order\PaySuccess::class,
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OrderTypeEnum::RECHARGE => \app\api\service\recharge\PaySuccess::class,
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];
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/**
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* 构造函数
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* @param array $config
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* @param int|null $storeId
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*/
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public function __construct(array $config = [], ?int $storeId = null)
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{
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parent::__construct();
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$this->config = $config;
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$this->storeId = $storeId;
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if (!empty($this->config)) {
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$this->setConfig($this->config['app_id'], $this->config['app_secret']);
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}
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}
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/**
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* 统一下单API
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* @param $orderNo
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* @param $openid
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* @param $totalFee
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* @param int $orderType 订单类型
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* @return array
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* @throws \cores\exception\BaseException
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*/
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public function unifiedorder($orderNo, $openid, $totalFee, int $orderType = OrderTypeEnum::ORDER): array
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{
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// 当前时间
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$time = time();
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// 生成随机字符串
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$nonceStr = md5($time . $openid);
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// API参数
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$params = [
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'appid' => $this->appId,
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'attach' => helper::jsonEncode(['order_type' => $orderType]),
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'body' => $orderNo,
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'mch_id' => $this->config['mchid'],
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'nonce_str' => $nonceStr,
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'notify_url' => base_url() . 'notice.php', // 异步通知地址
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'openid' => $openid,
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'out_trade_no' => $orderNo,
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'spbill_create_ip' => \request()->ip(),
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'total_fee' => (int)helper::bcmul($totalFee, 100), // 价格:单位分
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'trade_type' => 'JSAPI',
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];
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// 生成签名
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$params['sign'] = $this->makeSign($params);
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// 请求API
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$url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
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$result = $this->post($url, $this->toXml($params));
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$prepay = $this->fromXml($result);
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// 请求失败
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if ($prepay['return_code'] === 'FAIL') {
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$errMsg = "微信支付api：{$prepay['return_msg']}";
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throwError($errMsg, null, ['errorCode' => 'WECHAT_PAY', 'isCreated' => true]);
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}
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if ($prepay['result_code'] === 'FAIL') {
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$errMsg = "微信支付api：{$prepay['err_code_des']}";
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throwError($errMsg, null, ['errorCode' => 'WECHAT_PAY', 'isCreated' => true]);
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}
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// 生成 nonce_str 供前端使用
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$paySign = $this->makePaySign($params['nonce_str'], $prepay['prepay_id'], $time);
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return [
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'prepay_id' => $prepay['prepay_id'],
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'nonceStr' => $nonceStr,
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'timeStamp' => (string)$time,
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'paySign' => $paySign
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];
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}
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/**
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* 支付成功异步通知
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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public function notify()
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{
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if (!$xml = file_get_contents('php://input')) {
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$this->returnCode(false, 'Not found DATA');
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}
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// 将服务器返回的XML数据转化为数组
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$data = $this->fromXml($xml);
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// 记录日志
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log_record($xml);
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log_record($data);
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// 实例化订单模型
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$model = $this->getOrderModel($data['out_trade_no'], $data['attach']);
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// 订单信息
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$order = $model->getOrderInfo();
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empty($order) && $this->returnCode(false, '订单不存在');
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// 小程序配置信息
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$wxConfig = WxappSettingModel::getWxappConfig($order['store_id']);
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// 设置支付秘钥
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$this->config['apikey'] = $wxConfig['apikey'];
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// 保存微信服务器返回的签名sign
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$dataSign = $data['sign'];
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// sign不参与签名算法
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unset($data['sign']);
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// 生成签名
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$sign = $this->makeSign($data);
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// 判断签名是否正确 判断支付状态
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if (
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($sign !== $dataSign)
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|| ($data['return_code'] !== 'SUCCESS')
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|| ($data['result_code'] !== 'SUCCESS')
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) {
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$this->returnCode(false, '签名失败');
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}
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// 订单支付成功业务处理
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$status = $model->onPaySuccess(OrderPayTypeEnum::WECHAT, $data);
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if ($status == false) {
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$this->returnCode(false, $model->getError());
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}
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// 返回状态
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$this->returnCode(true, 'OK');
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}
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/**
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* 申请退款API
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* @param string $transactionId 微信支付交易流水号
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* @param string $totalFee 订单总金额
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* @param string $refundFee 退款金额
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* @return bool
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* @throws BaseException
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* @throws \cores\exception\BaseException
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*/
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public function refund(string $transactionId, string $totalFee, string $refundFee): bool
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{
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// 当前时间
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$time = time();
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// 生成随机字符串
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$nonceStr = md5($time . $transactionId . $totalFee . $refundFee);
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// API参数
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$params = [
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'appid' => $this->appId,
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'mch_id' => $this->config['mchid'],
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'nonce_str' => $nonceStr,
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'transaction_id' => $transactionId,
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'out_refund_no' => $time,
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'total_fee' => (int)helper::bcmul($totalFee,100),
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'refund_fee' => (int)helper::bcmul($refundFee,100),
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];
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// 生成签名
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$params['sign'] = $this->makeSign($params);
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// 请求API
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$url = 'https://api.mch.weixin.qq.com/secapi/pay/refund';
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$result = $this->post($url, $this->toXml($params), true, $this->getCertPem());
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// 请求失败
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if (empty($result)) {
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throwError('微信退款api请求失败');
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}
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// 格式化返回结果
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$prepay = $this->fromXml($result);
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// 记录日志
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log_record(['name' => '微信退款API', [
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'params' => $params,
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'result' => $result,
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'prepay' => $prepay
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]]);
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// 请求失败
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if ($prepay['return_code'] === 'FAIL') {
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throwError("return_msg: {$prepay['return_msg']}");
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}
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if ($prepay['result_code'] === 'FAIL') {
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throwError("err_code_des: {$prepay['err_code_des']}");
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}
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return true;
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}
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/**
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* 获取cert证书文件
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* @return string[]
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* @throws \cores\exception\BaseException
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*/
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private function getCertPem(): array
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{
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if (empty($this->config['cert_pem']) || empty($this->config['key_pem'])) {
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throwError('请先到后台小程序设置填写微信支付证书文件');
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}
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// cert目录
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$filePath = __DIR__ . "/cert/{$this->storeId}/";
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return [
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'certPem' => $filePath . 'cert.pem',
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'keyPem' => $filePath . 'key.pem'
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];
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}
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/**
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* 实例化订单模型 (根据attach判断)
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* @param $orderNo
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* @param null $attach
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* @return mixed
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*/
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private function getOrderModel($orderNo, $attach = null)
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{
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$attach = helper::jsonDecode($attach);
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// 判断订单类型返回对应的订单模型
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$model = $this->modelClass[$attach['order_type']];
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return new $model($orderNo);
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}
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/**
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* 返回状态给微信服务器
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* @param boolean $returnCode
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* @param string|null $msg
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*/
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private function returnCode(bool $returnCode = true, string $msg = null)
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{
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// 返回状态
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$return = [
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'return_code' => $returnCode ? 'SUCCESS' : 'FAIL',
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'return_msg' => $msg ?: 'OK',
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];
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// 记录日志
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log_record([
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'name' => '返回微信支付状态',
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'data' => $return
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]);
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die($this->toXml($return));
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}
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/**
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* 生成paySign
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* @param string $nonceStr
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* @param string $prepayId
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* @param int $timeStamp
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* @return string
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*/
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private function makePaySign(string $nonceStr, string $prepayId, int $timeStamp): string
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{
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$data = [
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'appId' => $this->appId,
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'nonceStr' => $nonceStr,
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'package' => 'prepay_id=' . $prepayId,
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'signType' => 'MD5',
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'timeStamp' => $timeStamp,
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];
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// 签名步骤一：按字典序排序参数
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ksort($data);
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$string = $this->toUrlParams($data);
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// 签名步骤二：在string后加入KEY
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$string = $string . '&key=' . $this->config['apikey'];
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// 签名步骤三：MD5加密
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$string = md5($string);
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// 签名步骤四：所有字符转为大写
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return strtoupper($string);
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}
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/**
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* 将xml转为array
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* @param string $xml
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* @return mixed
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*/
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private function fromXml(string $xml)
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{
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// 禁止引用外部xml实体
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libxml_disable_entity_loader(true);
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return helper::jsonDecode(helper::jsonEncode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)));
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}
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/**
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* 生成签名
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* @param array $values
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* @return string 本函数不覆盖sign成员变量，如要设置签名需要调用SetSign方法赋值
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*/
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private function makeSign(array $values): string
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{
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//签名步骤一：按字典序排序参数
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ksort($values);
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$string = $this->toUrlParams($values);
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//签名步骤二：在string后加入KEY
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$string = $string . '&key=' . $this->config['apikey'];
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//签名步骤三：MD5加密
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$string = md5($string);
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//签名步骤四：所有字符转为大写
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return strtoupper($string);
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}
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/**
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* 格式化参数格式化成url参数
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* @param array $values
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* @return string
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*/
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private function toUrlParams(array $values): string
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{
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$buff = '';
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foreach ($values as $k => $v) {
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if ($k != 'sign' && $v != '' && !is_array($v)) {
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$buff .= $k . '=' . $v . '&';
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}
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}
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return trim($buff, '&');
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}
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/**
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* 输出xml字符
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* @param array $values
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* @return bool|string
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*/
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private function toXml(array $values)
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{
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if (!is_array($values)
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|| count($values) <= 0
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) {
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return false;
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}
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$xml = "<xml>";
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foreach ($values as $key => $val) {
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if (is_numeric($val)) {
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$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
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} else {
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$xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
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}
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}
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$xml .= "</xml>";
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return $xml;
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}
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/**
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* 发货
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* API文档地址：https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/business-capabilities/order-shipping/order-shipping.html
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* @param string $transaction_id 微信支付交易id
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* @param string $desc 商品描述
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* @param string $openid 用户openid
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* @return mixed
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* @throws BaseException
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*/
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public function uploadShipping(string $transaction_id, string $desc, string $openid)
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{
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// 微信接口url
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$accessToken = $this->getAccessToken();
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$url = "https://api.weixin.qq.com/wxa/sec/order/upload_shipping_info?access_token={$accessToken}";
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$dt = new \DateTime('now', new \DateTimeZone('Asia/Shanghai'));
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$upload_time = $dt->format('Y-m-d\TH:i:s.vP');
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// 构建请求
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$data = [
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'order_key' => [
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'order_number_type' => 2,
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'transaction_id' => $transaction_id,
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],
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'logistics_type' => 3,
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'delivery_mode' => 1,
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'shipping_list' => [
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[
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'item_desc' => $desc,
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]
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],
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'upload_time' => $upload_time,
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'payer' => [
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'openid' => $openid
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]
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];
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// 返回结果
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$result = $this->post($url, helper::jsonEncode($data));
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// 记录日志
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log_record([
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'name' => '微信支付自动发货',
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'params' => $data,
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'result' => !strpos($result, 'errcode') ? 'true' : $result
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]);
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$data = helper::jsonDecode($result);
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if ($data['errcode'] == 0) {
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return $result;
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}
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$error = '微信支付自动发货 ' . $data['errmsg'];
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/*if ($data['errcode'] == 41030) {
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$error = '小程序页面不存在，请先发布上线后再生成';
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}*/
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// throwError($error);
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}
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}
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