You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
185 lines
7.2 KiB
185 lines
7.2 KiB
using System.Web;
|
|
using System.Text;
|
|
using System.IO;
|
|
using System.Net;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
|
|
namespace Com.Alipay
|
|
{
|
|
/// <summary>
|
|
/// 类名：Notify
|
|
/// 功能：支付宝通知处理类
|
|
/// 详细：处理支付宝各接口通知返回
|
|
/// 版本：3.3
|
|
/// 修改日期：2011-07-05
|
|
/// '说明：
|
|
/// 以下代码只是为了方便商户测试而提供的样例代码，商户可以根据自己网站的需要，按照技术文档编写,并非一定要使用该代码。
|
|
/// 该代码仅供学习和研究支付宝接口使用，只是提供一个参考。
|
|
///
|
|
/// //////////////////////注意/////////////////////////////
|
|
/// 调试通知返回时，可查看或改写log日志的写入TXT里的数据，来检查通知返回是否正常
|
|
/// </summary>
|
|
public class Notify
|
|
{
|
|
#region 字段
|
|
private string _partner = ""; //合作身份者ID
|
|
private string _key = ""; //商户的私钥
|
|
private string _input_charset = ""; //编码格式
|
|
private string _sign_type = ""; //签名方式
|
|
|
|
//支付宝消息验证地址
|
|
private string Https_veryfy_url = "https://mapi.alipay.com/gateway.do?service=notify_verify&";
|
|
#endregion
|
|
|
|
|
|
/// <summary>
|
|
/// 构造函数
|
|
/// 从配置文件中初始化变量
|
|
/// </summary>
|
|
/// <param name="inputPara">通知返回参数数组</param>
|
|
/// <param name="notify_id">通知验证ID</param>
|
|
public Notify()
|
|
{
|
|
|
|
Basic.BLL.siteconfig bll = new Basic.BLL.siteconfig();
|
|
Basic.Model.siteconfig model = bll.loadConfig(Basic.Tools.Utils.GetXmlMapPath(Basic.Keys.FILE_SITE_XML_CONFING));
|
|
|
|
//初始化基础配置信息
|
|
_partner = model.Alipay_partner;
|
|
_key = model.Alipay_key;
|
|
_input_charset = Config.Input_charset.Trim().ToLower();
|
|
_sign_type = Config.Sign_type.Trim().ToUpper();
|
|
}
|
|
|
|
/// <summary>
|
|
/// 验证消息是否是支付宝发出的合法消息
|
|
/// </summary>
|
|
/// <param name="inputPara">通知返回参数数组</param>
|
|
/// <param name="notify_id">通知验证ID</param>
|
|
/// <param name="sign">支付宝生成的签名结果</param>
|
|
/// <returns>验证结果</returns>
|
|
public bool Verify(SortedDictionary<string, string> inputPara, string notify_id, string sign)
|
|
{
|
|
//获取返回时的签名验证结果
|
|
bool isSign = GetSignVeryfy(inputPara, sign);
|
|
//获取是否是支付宝服务器发来的请求的验证结果
|
|
string responseTxt = "true";
|
|
if (notify_id != null && notify_id != "") { responseTxt = GetResponseTxt(notify_id); }
|
|
|
|
//写日志记录（若要调试，请取消下面两行注释）
|
|
//string sWord = "responseTxt=" + responseTxt + "\n isSign=" + isSign.ToString() + "\n 返回回来的参数：" + GetPreSignStr(inputPara) + "\n ";
|
|
//Core.LogResult(sWord);
|
|
|
|
//判断responsetTxt是否为true，isSign是否为true
|
|
//responsetTxt的结果不是true，与服务器设置问题、合作身份者ID、notify_id一分钟失效有关
|
|
//isSign不是true，与安全校验码、请求时的参数格式（如：带自定义参数等）、编码格式有关
|
|
if (responseTxt == "true" && isSign)//验证成功
|
|
{
|
|
return true;
|
|
}
|
|
else//验证失败
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// 获取待签名字符串（调试用）
|
|
/// </summary>
|
|
/// <param name="inputPara">通知返回参数数组</param>
|
|
/// <returns>待签名字符串</returns>
|
|
private string GetPreSignStr(SortedDictionary<string, string> inputPara)
|
|
{
|
|
Dictionary<string, string> sPara = new Dictionary<string, string>();
|
|
|
|
//过滤空值、sign与sign_type参数
|
|
sPara = Core.FilterPara(inputPara);
|
|
|
|
//获取待签名字符串
|
|
string preSignStr = Core.CreateLinkString(sPara);
|
|
|
|
return preSignStr;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 获取返回时的签名验证结果
|
|
/// </summary>
|
|
/// <param name="inputPara">通知返回参数数组</param>
|
|
/// <param name="sign">对比的签名结果</param>
|
|
/// <returns>签名验证结果</returns>
|
|
private bool GetSignVeryfy(SortedDictionary<string, string> inputPara, string sign)
|
|
{
|
|
Dictionary<string, string> sPara = new Dictionary<string, string>();
|
|
|
|
//过滤空值、sign与sign_type参数
|
|
sPara = Core.FilterPara(inputPara);
|
|
|
|
//获取待签名字符串
|
|
string preSignStr = Core.CreateLinkString(sPara);
|
|
|
|
//获得签名验证结果
|
|
bool isSgin = false;
|
|
if (sign != null && sign != "")
|
|
{
|
|
switch (_sign_type)
|
|
{
|
|
case "MD5":
|
|
isSgin = AlipayMD5.Verify(preSignStr, sign, _key, _input_charset);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return isSgin;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 获取是否是支付宝服务器发来的请求的验证结果
|
|
/// </summary>
|
|
/// <param name="notify_id">通知验证ID</param>
|
|
/// <returns>验证结果</returns>
|
|
private string GetResponseTxt(string notify_id)
|
|
{
|
|
string veryfy_url = Https_veryfy_url + "partner=" + _partner + "¬ify_id=" + notify_id;
|
|
|
|
//获取远程服务器ATN结果，验证是否是支付宝服务器发来的请求
|
|
string responseTxt = Get_Http(veryfy_url, 120000);
|
|
|
|
return responseTxt;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 获取远程服务器ATN结果
|
|
/// </summary>
|
|
/// <param name="strUrl">指定URL路径地址</param>
|
|
/// <param name="timeout">超时时间设置</param>
|
|
/// <returns>服务器ATN结果</returns>
|
|
private string Get_Http(string strUrl, int timeout)
|
|
{
|
|
string strResult;
|
|
try
|
|
{
|
|
HttpWebRequest myReq = (HttpWebRequest)HttpWebRequest.Create(strUrl);
|
|
myReq.Timeout = timeout;
|
|
HttpWebResponse HttpWResp = (HttpWebResponse)myReq.GetResponse();
|
|
Stream myStream = HttpWResp.GetResponseStream();
|
|
StreamReader sr = new StreamReader(myStream, Encoding.Default);
|
|
StringBuilder strBuilder = new StringBuilder();
|
|
while (-1 != sr.Peek())
|
|
{
|
|
strBuilder.Append(sr.ReadLine());
|
|
}
|
|
|
|
strResult = strBuilder.ToString();
|
|
}
|
|
catch (Exception exp)
|
|
{
|
|
strResult = "错误：" + exp.Message;
|
|
}
|
|
|
|
return strResult;
|
|
}
|
|
}
|
|
}
|