PHP实现微信小程序用户授权的工具类示例(2)

getUid:function(cf){
  var that = this
  wx.login({
   success: function (ress) {
    var code = ress.code 
    wx.getUserInfo({ 
     withCredentials: true,     
     success: function (res) {
      that.globalData.userInfo = res.userInfo;
      that.authorize(code, res.signature, res.iv, res.rawData, res.encryptedData, cf)
     }
    })
   }
  })
 },
 authorize: function (code, signature, iv, rawData, encryptedData, cf) {
  var that =this
  var dataobj = {
   code: code,
   signature: signature,
   iv: iv,
   raw_data: rawData,
   encrypted_data: encryptedData
  }
  console.log("code:",code)
  var param = JSON.stringify(dataobj)
  param = that.Encrypt(param)
  var url = that.data.API_DOMAIN2 + "/user/authorization?param=" + param
  wx.request({
   url: url,
   method: "GET",
   header: {
    'content-type': 'application/json'
   },
   success: function (res) {
    if (res.data.errcode == 200) {
     wx.hideToast()    
     wx.setStorage({
      key: "uid",
      data: res.data.data.uid,
      success: function () {
       if (cf) {
        typeof cf == "function" && cf(res.data.data.uid)
       }
      }
     })
    } else {
     that.exceptionHandle('uid', url, res.data.errcode, res.data.msg)
    }
   }
  })
 },

/**
   * api接口开发
   * 获取详情的接口
   * @param $uid 用户编号
   * @param $iv 向量
   * @param $encryptedData 微信加密的数据
   * @param $rawData 判断是否为今天
   * @param $signature 签名
   * @return array
   */
  public static function authorization($appid,$appsecret,$code,$iv,$encryptedData,$rawData,$signature){
    $result = self::decodeWxData($appid,$appsecret,$code,$iv,$encryptedData);
    if($result['errcode'] != 200){
      return $result;
    }
    //处理微信授权的逻辑
    $wxUserData = $result['data'];
    error_log("authorization data=============>");
    error_log(json_encode($wxUserData));
    $uid = WxaUserService::regWxaUser($wxUserData);
    $data['uid'] = $uid['uid'];
    $data['unionid'] = $uid['unionid'];
    $result['data'] = $data;
    return $result;
  }
  
  /**
   * 解密微信的数据
   * @param $code wx.login接口返回的code
   * @param $iv wx.getUserInfo接口或者wx.getWeRunData返回的iv
   * @param $encryptedData wx.getUserInfo接口或者wx.getWeRunData返回的加密数据
   * @return array
   */
  public static function decodeWxData($appid,$appsecret,$code,$iv,$encryptedData){
    $sessionKeyUrl = sprintf('%s?appid=%s&secret=%s&js_code=%s&grant_type=authorization_code',config('param.wxa_user_info_session_key_url'),$appid,$appsecret,$code);
    $rtnJson = curlRequest($sessionKeyUrl);
    $data = json_decode($rtnJson,true);
    error_log('authorization wx return data========>');
    error_log($rtnJson);
    if(isset($data['errcode'])){
      return $data;
    }
    $sessionKey = $data['session_key'];
    $wxHelper = new WxBizDataHelper($appid,$sessionKey,$encryptedData,$iv);
    $data['errcode'] = 200;
    $data['data'] = [];
    if(!$wxData = $wxHelper->getData()){
      $data['errcode'] = -1;
    }else{
      error_log('current wx return data is =========>'.json_encode($wxData));
      $data['data'] = $wxData;
    }
    return $data;
  }