public bool Verify(IBackContent content)
{
if (content.SignType != "RSA" && content.SignType != "RSA2")
{
throw new PaymentArgumentException(GateWay.Name, "sign_type",
$"不支持的sign_type:{content.SignType}");
}
var chatset = string.IsNullOrEmpty(content["chatset"]) ? "utf-8" : content["chatset"];
if (!(GateWay.MerchantConfigure is AlipayMerchantConfigure merchantConfigure))
{
throw new PaymentException(GateWay.Name, "商户信息错误");
}
return(SecurityUtiity.RSAVerifyData(GetSignOrigin(content), content.Sign, merchantConfigure.PublicKey, chatset, content.SignType, false));
}
protected virtual string GetSignOrigin(IBackContent content)
{
var originBuilder = new StringBuilder();
foreach (var paramater in content.Paramaters.OrderBy(x => x.Key))
{
if (paramater.Key.ToLower() == "sign")
{
continue;
}
if (paramater.Key.ToLower() == "sign_type")
{
continue;
}
originBuilder.Append($"{paramater.Key}={paramater.Value}&");
}
return(originBuilder.ToString().TrimEnd('&'));
}
public VerifyException(string platformName = null, IBackContent content = null, string message = null, Exception inner = null)
: base(platformName, message, inner)
{
Content = content;
}
protected VerifyException(SerializationInfo info, StreamingContext context)
: base(info, context)//让基类反序列化其内定义的字段
{
Content = (INotifyContent)info.GetValue("Content", typeof(INotifyContent));
}