/// <summary>
/// 处理支付平台通知
/// 支付宝是用POST方式发送通知信息
/// </summary>
/// <param name="param">支付平台通知参数</param>
/// <returns></returns>
public override Result <Notification> HandleNotify(PaymentParam param)
{
var now = DateTime.Now;
var input = param.ToXml();
var notification = new Notification(Platform.Id, input, "fail");
var result = new Result <Notification>(false, notification);
OnTraced("支付宝支付 通知数据", input);
var isValid = VerifySign(param);
if (isValid)
{
result.Data.PayId = param.GetString("out_trade_no"); //商户订单号
result.Data.PayNo = param.GetString("trade_no"); //支付宝交易号
result.Data.Amount = param.GetDecimal("total_fee"); //支付金额
result.Data.PaidOn = param.GetDateTime("gmt_payment", now); //支付时间
result.Data.State = param.GetString("extra_common_param"); //扩展字段 支付平台原样返回
var tradeStatus = param.GetString("trade_status"); //交易状态
if (tradeStatus == "TRADE_FINISHED" || tradeStatus == "TRADE_SUCCESS")
{
var status = OnNotified(notification);
if (status)
{
result.Status = true;
result.Data.SetOutput("success");
OnTraced("支付宝支付 处理通知成功", result.Data.PayId);
}
else
{
result.Message = "支付宝支付 处理通知失败 OnNotified 返回 false";
OnTraced("支付宝支付 处理通知失败", "OnNotified 返回 false");
}
}
else
{
result.Message = "支付宝支付 处理通知失败 交易状态错误 " + tradeStatus;
OnTraced("支付宝支付 处理通知失败 交易状态错误", tradeStatus);
}
}
else
{
result.Message = "支付宝支付 处理通知失败 签名或通知验证失败";
OnTraced("支付宝支付 处理通知失败 处理通知失败 签名或通知验证失败", string.Empty);
}
return(result);
}
/// <summary>
/// 验证签名
/// </summary>
/// <param name="param">待验证签名参数</param>
/// <returns></returns>
public bool VerifySign(PaymentParam param)
{
var sign = param.GetString("sign");
param = param.Remove("sign");//移除不参与签名的参数
return(sign.ToUpper().Equals(CreateSign(param)));
}
/// <summary>
/// 处理支付平台通知
/// </summary>
/// <param name="param">支付平台通知参数</param>
/// <returns></returns>
public override Result <Notification> HandleNotify(PaymentParam param)
{
var now = DateTime.Now;
var input = param.ToXml();
var output = GetOutputXml("FAIL", "FAIL");
var notification = new Notification(Platform.Id, input, output);
var result = new Result <Notification>(false, notification);
OnTraced("微信支付 通知数据", input);
if (param.GetString("return_code") == "SUCCESS" && param.GetString("result_code") != "SUCCESS")
{
if (VerifySign(param))
{
result.Data.PayId = param.GetString("out_trade_no"); //商户订单号
result.Data.PayNo = param.GetString("transaction_id"); //微信支付订单号
result.Data.Amount = param.GetInt("total_fee") / 100m; //订单总金额，单位为分
result.Data.PaidOn = now; //支付完成时间 微信返回的格式不好处理 time_end 格式为yyyyMMddHHmmss 如2009年12月25日9点10分10秒表示为20091225091010
result.Data.State = param.GetString("attach"); //支付平台原样返回
var status = OnNotified(notification);
if (status)
{
result.Status = true;
result.Data.SetOutput(GetOutputXml("SUCCESS", "OK"));
OnTraced("微信支付 处理通知成功", result.Data.PayId);
}
else
{
result.Message = "微信支付 处理通知失败 OnNotified 返回 false";
OnTraced("微信支付 处理通知失败", "OnNotified 返回 false");
}
}
else
{
var err = param.GetString("err_code_des");
var msg = string.IsNullOrEmpty(err) ? param.GetString("return_msg") : err;
result.Message = "微信支付 处理通知失败 验证返回数据签名失败 " + msg;
OnTraced("微信支付 处理通知失败 验证返回数据签名失败", msg);
}
}
else
{
var msg = param.GetString("return_msg");
result.Message = "微信支付 处理通知失败 接口返回数据信息 " + msg;
OnTraced("微信支付 处理通知失败 接口返回数据信息", msg);
}
return(result);
}
/// <summary>
/// 验证签名
/// </summary>
/// <param name="param">待验证签名参数</param>
/// <returns></returns>
public bool VerifySign(PaymentParam param)
{
var sign = param.GetString("sign"); //获取返回时的签名验证结果
param = param.Remove("sign", "sign_type"); //移除不参与签名的参数
var isValid = RSA.Verify(CreateSign(param), sign, Platform.PublicKey, Charset);
//验证是否是支付宝服务器发来的请求
var notifyId = param.GetString("notify_id");
if (isValid && !string.IsNullOrEmpty(notifyId))
{
var reqParam = new PaymentParam();
reqParam.Add("service", "notify_verify");
reqParam.Add("partner", Platform.MerchantId);
reqParam.Add("notify_id", notifyId);
var url = reqParam.ToQueryString(true, true);
var responseTxt = Client.GetStringAsync(url).Result;
return(responseTxt.ToLower() == "true");
}
return(false);
}
/// <summary>
/// 处理支付平台通知
/// </summary>
/// <param name="param">第三方支付平台通知参数</param>
/// <returns></returns>
public override Result <Notification> HandleNotify(PaymentParam param)
{
var now = DateTime.Now;
var input = param.ToXml();
var notification = new Notification(Platform.Id, input, "fail");
var result = new Result <Notification>(false, notification);
var isValid = VerifySign(param);
if (isValid)
{
var reqParam = new PaymentParam();
var notifyId = param.GetString("notify_id"); // 通知id
reqParam.Add("notify_id", notifyId);
reqParam.Add("partner", Platform.MerchantId);
reqParam.Add("sign", CreateSign(reqParam));
//系统可选参数
reqParam.Add("sign_type", "MD5");
reqParam.Add("service_version", "1.0");
reqParam.Add("input_charset", "UTF-8");
reqParam.Add("sign_key_index", "1");
var url = "https://gw.tenpay.com/gateway/verifynotifyid.xml" + reqParam.ToQueryString(true);
var xml = XElement.Load(url);
var notifyParam = new PaymentParam(xml);
result.Data.PayId = notifyParam.GetString("out_trade_no"); //系统支付单号
result.Data.PayNo = notifyParam.GetString("transaction_id"); // 财付通交易号，28位长的数值，其中前10位为商户号，之后8位为订单产生的日期;
result.Data.Amount = notifyParam.GetInt("total_fee") / 100M; // 转换为元为单位;
result.Data.PaidOn = notifyParam.GetDateTime("time_end", now);
result.Data.State = param.GetString("attach"); //扩展字段 支付平台原样返回
var bankOrderNo = notifyParam.GetString("bank_billno"); // 银行订单号，若为财付通余额支付则为空
if (VerifySign(notifyParam) && notifyParam["retcode"] == "0" && notifyParam["trade_state"] == "0" && notifyParam["trade_mode"] == "1")
{
var status = OnNotified(notification);
if (status)
{
result.Status = true;
result.Data.SetOutput("success");
}
else
{
result.Message = "TenPay OnNotified 返回false";
}
}
else
{
result.Message = "TenPay 通知验证失败";
}
}
else
{
result.Message = "TenPay 签名验证失败";
}
return(result);
}
private string Pay(Payment payment, string tradeType, string openId)
{
var param = new PaymentParam();
param.Add("appid", Platform.PublicKey); //微信分配的公众账号ID（企业号corpid即为此appId）
param.Add("mch_id", Platform.MerchantId); //微信支付分配的商户号
param.Add("nonce_str", GenerateNonceStr()); //随机字符串，不长于32位
param.Add("body", payment.Subject); //商品简单描述 该字段须严格按照规范传递
param.Add("attach", payment.State); //附加数据 在查询API和支付通知中原样返回 该字段主要用于商户携带订单的自定义数据
param.Add("out_trade_no", payment.Id); //商户系统内部的订单号,32个字符内 可包含字母
param.Add("total_fee", (payment.Amount * 100).ToString("F0")); //订单总金额，单位为分 不能带小数
param.Add("spbill_create_ip", payment.IpAddress); //APP和网页支付提交用户端ip Native支付填调用微信支付API的机器IP
param.Add("notify_url", Platform.NotifyUrl);
param.Add("trade_type", tradeType);
if (tradeType == "NATIVE")
{
param.Add("product_id", payment.Id);// trade_type = NATIVE 时 此参数必传 此id为二维码中包含的商品ID，商户自行定义
}
if (tradeType == "JSAPI")
{
param.Add("openid", openId);// rade_type=JSAPI 时此参数必传 用户在商户appid下的唯一标识
}
param.Add("sign", CreateSign(param));
PaymentParam data;//支付接口返回参数
using (Client)
{
var xml = param.ToXml();//微信接口接受xml格式的数据
OnTraced("微信支付 提交数据", xml);
var hc = new StringContent(xml, Encoding.UTF8, "text/xml");
var rep = Client.PostAsync(Platform.GatewayUrl, hc).Result;
var repXml = XElement.Load(rep.Content.ReadAsStreamAsync().Result);
OnTraced("微信支付 返回数据", repXml.ToString());
data = new PaymentParam(repXml);
}
var s = string.Empty;
if (data.GetString("return_code") == "SUCCESS" && data.GetString("result_code") == "SUCCESS")
{
if (VerifySign(data))
{
if (tradeType == "APP")
{
var prePayParam = new PaymentParam();
var prePayId = data.GetString("prepay_id");
prePayParam.Add("appId", Platform.PublicKey);
prePayParam.Add("partnerId", Platform.MerchantId);
prePayParam.Add("prepayId", prePayId);
prePayParam.Add("package", "Sign=WXPay");
prePayParam.Add("nonceStr", GenerateNonceStr());
prePayParam.Add("timeStamp", GenerateTimeStamp());
prePayParam.Add("sign", CreateSign(prePayParam));
s = prePayParam.ToJson();
}
else if (tradeType == "JSAPI")
{
var prePayParam = new PaymentParam();
var prePayId = data.GetString("prepay_id");
prePayParam.Add("appId", Platform.PublicKey);
prePayParam.Add("timeStamp", GenerateTimeStamp());
prePayParam.Add("nonceStr", GenerateNonceStr());
prePayParam.Add("package", "prepay_id=" + prePayId);
prePayParam.Add("signType", "MD5");
prePayParam.Add("paySign", CreateSign(prePayParam));
s = prePayParam.ToJson();
}
else if (tradeType == "NATIVE")
{
s = data.GetString("code_url");//用于生成微信客户端可识别的支付URL
}
}
else
{
var err = data.GetString("err_code_des");
var msg = string.IsNullOrEmpty(err) ? data.GetString("return_msg") : err;
OnTraced("微信支付 验证返回数据签名失败", msg);
}
}
return(s);
}