public override BaseResult VerifyCallBack(HttpRequest request)
{
var result = new AlipayResult();
var coll = (string.IsNullOrEmpty(request.Form["out_trade_no"]) ? request.QueryString : request.Form);
result.TradeNum = coll["out_trade_no"];
result.Amount = Convert.ToDecimal(coll["total_fee"]);
result.BuyerEmail = coll["buyer_email"];
//支付宝ATN验证
var verifyUrl = string.Format(Configs.VerifyUrl + "&partner={0}¬ify_id={1}", Configs.GetPartnerId(),
coll["notify_id"]);
var responseText = Utils.GetHttp(verifyUrl, 120 * 1000);
if (responseText != "true")
{
result.State = false;
result.ErrMsg = "支付宝ATN验证无效！";
return(result);
}
//签名验证 Start...
int i;
// Get names of all forms into a string array.
String[] requestarr = coll.AllKeys;
//进行排序；
string[] sortedstr = Digest.BubbleSort(requestarr);
//构造待md5摘要字符串 ；
var prestr = new StringBuilder();
for (i = 0; i < sortedstr.Length; i++)
{
var noIn = new[] { "subdomain", "urlpath", "param", "sign", "sign_type" };
if (!string.IsNullOrEmpty(coll[sortedstr[i]]) && !noIn.Contains(sortedstr[i]))
{
if (i == sortedstr.Length - 1)
{
prestr.Append(sortedstr[i] + "=" + coll[sortedstr[i]]);
}
else
{
prestr.Append(sortedstr[i] + "=" + coll[sortedstr[i]] + "&");
}
}
}
prestr.Append(Configs.GetKey());
//生成Md5摘要；
var ourSign = Digest.GetMd5(prestr.ToString(), Configs.Charset);
//*******加密签名程序结束*******
var sign = coll["sign"];
if (sign != ourSign)
{
result.State = false;
result.ErrMsg = "签名验证失败-" + sign + " | " + ourSign;
}
var state = new[] { "TRADE_FINISHED", "TRADE_SUCCESS" };
result.TradeStatus = coll["trade_status"];
if (!state.Contains(result.TradeStatus))
{
result.State = false;
result.ErrMsg = "支付状态失败！";
}
else
{
result.State = true;
}
return(result);
}
public override string CreateUrl(ParameterInfo alipay)
{
var info = alipay as AlipayParasInfo;
if (info == null)
{
return("");
}
//构造数组；
//以下数组即是参与加密的参数，若参数的值不允许为空，若该参数为空，则不要成为该数组的元素
string[] paras =
{
"service=" + Configs.Service,
"partner=" + Configs.GetPartnerId(),
"seller_email=" + Configs.GetSellerEmail(),
"out_trade_no=" + info.OrderNum,
"subject=" + info.ProName + "[" + info.Amount.ToString("0.00") + "]元",
"body=" + info.ProName,
"total_fee=" + info.Amount.ToString("0.00"),
"show_url=" + info.ShowUrl,
"payment_type=1",
"notify_url=" + info.NotifyUrl,
"return_url=" + info.ReturnUrl,
"_input_charset=utf-8",
"buyer_email=" + info.Account
};
var sortedstr = Digest.BubbleSort(paras);
//构造待md5摘要字符串
var prestr = new StringBuilder();
//以下是GET方式传递参数
//构造支付Url；
var parameter = new StringBuilder();
parameter.Append(Configs.Getway);
for (var i = 0; i < sortedstr.Length; i++)
{
if (i == sortedstr.Length - 1)
{
prestr.Append(sortedstr[i]);
}
else
{
prestr.Append(sortedstr[i] + "&");
}
var para = sortedstr[i].Split(new[] { '=' }, StringSplitOptions.RemoveEmptyEntries);
//UTF-8格式的编码转换
parameter.Append(para[0] + "=" + HttpUtility.UrlEncode(para[1], Encoding.UTF8) + "&");
}
prestr.Append(Configs.GetKey());
//签名
var sign = Digest.GetMd5(prestr.ToString(), "utf-8");
parameter.Append("sign=" + sign + "&sign_type=" + Configs.SignType);
//返回支付Url；
return(parameter.ToString());
}
