/// <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>
/// 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);
}