csapi/application/expand/controller/Xcx.php

<?php
namespace app\expand\controller;
use app\common\service\HelperService;
use app\common\service\wechat\UnifiedOrder_pub;
use think\Config;
use think\Validate;
use think\Log;

/**
 * 小程序支付接口
 * Class WeChat
 * @package app\expand\controller
 */
class Xcx extends BaseAuth
{
    private $_Account = null;
    private $_APPID  = null;
    private $_MCHID = null;
    private $_SUBMCHID = null;
    private $_SUBAPPID = null;
    
    private $_PayTip  = "";

    public function __construct(){

        parent::__construct();
        
        if($this->_inWhiteList == true){
            return true;
        }

        $this->_Account = $this->getKey($this->_apiCode);
        //验证是否具有访问这个接口的权限
        if(!isset($this->_Account['Xcx_pay_appId'])
            || !isset($this->_Account['Xcx_mchId'])
             || !isset($this->_Account['Xcx_pay_key'])){

            HelperService::returnJson(['code'=>400,'msg'=>'Xcx interface unauthorized access','data'=>$this->_Account]);
        }

        $this->_APPID = $this->_Account['Xcx_pay_appId'];
        $this->_MCHID = $this->_Account['Xcx_mchId'];
        $this->_SUBMCHID = isset($this->_Account['Xcx_sub_mchId'])?$this->_Account['Xcx_sub_mchId']:"";
        $this->_SUBAPPID = isset($this->_Account['Xcx_pay_sub_appId'])?$this->_Account['Xcx_pay_sub_appId']:"";
        $this->_PayTip = isset($this->_Account['Xcx_tip'])?$this->_Account['Xcx_tip']:"";
        
        Config::set('WECHAT_APPID',$this->_APPID);
        Config::set('WECHAT_MCHID',$this->_MCHID);
        Config::set('WECHAT_SUB_MCHID',$this->_SUBMCHID);
        Config::set('WECHAT_SUB_APPID',$this->_SUBAPPID);
        Config::set('WECHAT_PAY_KEY',$this->_Account['Xcx_pay_key']);
    }

    /**
     * 平台版支付接口
     */
    public function platformXcxPay(){
        
        $params = $this->_params;

        $rule = [
            'order_no|订单号'=>'require',
            'total_fee|支付金额'=>'require',
            'openid|小程序的openid'=>'require',
            'tip|商品信息'=>'max:500'
        ];
        
        $validate = new Validate($rule);
        if(!$validate->check($params)){
            HelperService::returnJson(['code'=>400,'msg'=>$validate->getError(),'data'=>[]]);
        }
        
        require_once(APP_PATH.'/common/service/wechat/WxPayPubHelper.php');
        
        $unifiedOrder = new UnifiedOrder_pub();
        //设置统一支付接口参数
        //$unifiedOrder->setParameter("openid", "{$params['openid']}"); //商品描述
        $body = $this->_PayTip;
        if(!empty($params['tip'])){
            $body = $params['tip'];
        }
        $unifiedOrder->setParameter("body",$body."[". substr($params['order_no'],-8)."]"); //商品描述
        $unifiedOrder->setParameter("attach",$body); //商品描述
        //自定义订单号，此处仅作举例
        $out_trade_no = $this->_apiCode."_".$params['order_no']."_".rand(10,99);
        $unifiedOrder->setParameter("out_trade_no", $out_trade_no); //商户订单号
        $unifiedOrder->setParameter("total_fee", $params['total_fee']); //总金额
        $unifiedOrder->setParameter("sub_openid", $params['openid']); //总金额
        $httpHeader = HelperService::getHttpHeader();
        $unifiedOrder->setParameter("notify_url", "{$httpHeader}{$_SERVER['HTTP_HOST']}/v1/notifyXcxPay"); //通知地址
        $unifiedOrder->setParameter("trade_type", "JSAPI"); //交易类型
        $prepay_id = $unifiedOrder->getPrepayId();
        
        $appId = empty($this->_SUBAPPID)?$this->_APPID:$this->_SUBAPPID;
        
        $returnData = [
            'appId'=>$appId,
            'timeStamp'=>time(),
            'nonceStr'=>  uniqid(),
            'package'=>"prepay_id=$prepay_id",
            'signType'=>'MD5',
        ];
        $returnData['paySign'] = $unifiedOrder->getSign($returnData);
        
        HelperService::returnJson([
            'data'=>$returnData,
            'msg'=>'success',
            'code'=>200
        ]);
        
    }
    
    /**
     * 获取微信相关信息
     */
    public function getOpenInfo(){
        
        $params = $this->_params;

        $rule = [
            'code|js获取的code'=>'require',
        ];
        
        $validate = new Validate($rule);
        if(!$validate->check($params)){
            HelperService::returnJson(['code'=>400,'msg'=>$validate->getError(),'data'=>[]]);
        }
        
        if(empty($this->_Account['Xcx_secret'])){
            HelperService::returnJson(['code'=>400,'msg'=>'Xcx getOpenInfo unauthorized access','data'=>$this->_Account]);
        }
        
        $secret = $this->_Account['Xcx_secret'];
        $appId = empty($this->_SUBAPPID)?$this->_APPID:$this->_SUBAPPID;
        
        $url = "https://api.weixin.qq.com/sns/jscode2session?appid={$appId}&secret={$secret}&js_code={$params['code']}&grant_type=authorization_code";
        $openInfoJson = file_get_contents($url);
        $openInfo = @json_decode($openInfoJson,true);
        
        if($openInfo===false || !empty($openInfo['errcode'])){
            HelperService::returnJson([
                'data'=>$openInfoJson,'msg'=>'fail','code'=>400
            ]);
        }
        
        HelperService::returnJson([
            'data'=>  array_merge($openInfo,['appId'=>$appId]),'msg'=>'success','code'=>200
        ]);
    }

    /**
     * 异步通知小程序支付
     */
    public function notifyXcxPay(){
        
        $this->getInput();
        $param = $this->_oldParams;
        
        $this->_sysParams['request_ts'] = time();
        
        Log::record($param);

        $params = (array)@simplexml_load_string($param, 'SimpleXMLElement', LIBXML_NOCDATA);

        if(empty($params)){
            HelperService::returnJson(['code' => 400, 'msg' => "参数错误",'data'=>['baseParams'=>$param]]);
        }

        try {
            $arr = ['total_fee', 'out_trade_no'];
            foreach ($arr as $key=>$value) {
                if (!isset($params[$value])) {
                    HelperService::returnJson(['code' => 400, 'msg' => "参数错误（$key）",'data'=>['baseParams'=>$param]]);
                }
            }

            $tradeNoArr = explode('_', $params['out_trade_no']);
            if(count($tradeNoArr)<2){
                HelperService::returnJson(['code' => 400, 'msg' => "参数错误（trade）",'data'=>['baseParams'=>$param]]);
            }
            $companyCode = $tradeNoArr[0];
            $this->_Account = $this->getKey($companyCode,false);//不验证参数
            $orderNo = isset($tradeNoArr[1]) ? $tradeNoArr[1] : 0;

            //开发分发给不同的支付主体
            if(!isset($this->_Account['Xcx_pay_notify_url'])
                || empty($this->_Account['Xcx_pay_notify_url'])){
                HelperService::returnJson(['code' => 400, 'msg' => "回调地址不存在",'data'=>['baseParams'=>$param]]);
            }

            if(!is_array($this->_Account['Xcx_pay_notify_url'])){
                HelperService::returnJson(['code' => 400, 'msg' => "回调地址不是数组",'data'=>['baseParams'=>$param]]);
            }

            $notifyUrlArr = $this->_Account['Xcx_pay_notify_url'];
            foreach($notifyUrlArr as $url){
                $is_ssl = strpos($url, 'https://')!==false?true:false;

                $data = [
                    'order_no'=>$orderNo,
                    'total_price'=>"{$params['total_fee']}",
                    'out_trade_no'=>"{$params['out_trade_no']}"
                ];

                $times = 3;
                while($times--){
                    $res = HelperService::httpPost($url,json_encode($data),$is_ssl);
                    HelperService::addLog(['item'=>$url,'data'=>$data,'result'=>$res,'times'=>$times],$url,'XCXPAY_DETAIL');
                   //file_put_contents('ABC_TEMP' ,var_export(['item'=>$url,'data'=>$data,'result'=>$res,'times'=>$times],true),FILE_APPEND); 
                    if($res != false){
                        break;
                    }
                }
                
                if($times ==0){
                    Log::record("小程序支付推送异常=>url:".$url."=>res:".  json_encode($res)."=>data:".  json_encode($data));
                }
            }

            die('success');
        }catch (\Exception $ex){
            file_put_contents('xcxPayRecord-Exception.mp',"[".date('Y-m-d H:i:s')."]".$ex->getMessage().json_encode($params)."\n\n",FILE_APPEND);
        }
    }
}