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?#pragma checksum "D:\wwwroot\anlian2025\wwwroot\App_Code\zhifubao\AlipayNotify.cs" "{ff1816ec-aa5e-4d10-87f7-6f4963833460}" "F577C36C9516382B16F2A88B375FC1DE54CF92FA"
#line 1 "D:\wwwroot\anlian2025\wwwroot\App_Code\zhifubao\AlipayNotify.cs"
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
/// 职能：支付宝通知处置类
/// 具体：处置支付宝各接口通知返回
/// 版本：3.3
/// 批改日期：2011-07-05
/// '注明：
/// 以下代码只是为了方便商户测试而提供的样例代码，商户能够凭据自己网站的必要，依照技术文档编写,并非肯定要使用该代码 。
/// 该代码仅供进建和钻研支付宝接口使用，只是提供一个参考 。
///
/// //////////////////////把稳/////////////////////////////
/// 调试通知返回时，可查看或改写log日志的写入TXT里的数据，来查抄通知返回是否正常
/// </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 = ""; //编码体式
private string _sign_type = ""; //署名方式
//支付宝新闻验证地址
private string Https_veryfy_url = "https://mapi.alipay.com/gateway.do?service=notify_verify&";
#endregion
/// <summary>
/// 机关函数
/// 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()
{
//初始化基础配相信息
_partner = Config.partner.Trim();
_key = Config.key.Trim();
_input_charset = Config.input_charset.Trim().ToLower();
_sign_type = Config.sign_type.Trim().ToUpper();
}
/// <summary>
/// 从文件读取公钥转公钥字符串
/// </summary>
/// <param name="Path">公钥文件蹊径</param>
public static string getPublicKeyStr(string Path)
{
StreamReader sr = new StreamReader(Path);
string pubkey = sr.ReadToEnd();
sr.Close();
if (pubkey != null)
{
pubkey = pubkey.Replace("-----BEGIN PUBLIC KEY-----", "");
pubkey = pubkey.Replace("-----END PUBLIC KEY-----", "");
pubkey = pubkey.Replace("\r", "");
pubkey = pubkey.Replace("\n", "");
}
return pubkey;
}
/// <summary>
/// 验证新闻是否是支付宝发出的合法新闻
/// </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">支付宝天生的署名了局</param>
/// <returns>验证了局</returns>
public bool Verify(SortedDictionary<string, string> inputPara, string notify_id, string sign)
{
//获取返回时的署名验证了局
bool isSign = GetSignVeryfy(inputPara, sign);
//获取是否是支付宝服务器发来的要求的验证了局
string responseTxt = "false";
if (notify_id != null && notify_id != "") { responseTxt = GetResponseTxt(notify_id); }
//写日志纪录（若要调试，请取缔下面两行注解）
//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的了局不是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、要求时的参数体式（如：带自界说参数等）、编码体式有关
if (responseTxt == "true" && isSign)//验证成功
{
return true;
}
else//验证失败
{
return false;
}
}
/// <summary>
/// 获取待署名字符串（调试用）
/// </summary>
/// <param name="inputPara">通知返回参数数组</param>
/// <returns>待署名字符串</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);
//获取待署名字符串
string preSignStr = Core.CreateLinkString(sPara);
return preSignStr;
}
/// <summary>
/// 获取返回时的署名验证了局
/// </summary>
/// <param name="inputPara">通知返回参数数组</param>
/// <param name="sign">对比的署名了局</param>
/// <returns>署名验证了局</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);
//获取待署名字符串
string preSignStr = Core.CreateLinkString(sPara);
//获得署名验证了局
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要求的验证了局
/// </summary>
/// <param name="notify_id">通知验证ID</param>
/// <returns>验证了局</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了局，验证是否是支付宝服务器发来的要求
string responseTxt = Get_Http(veryfy_url, 120000);
return responseTxt;
}
/// <summary>
/// 获取远程服务器ATN了局
/// </summary>
/// <param name="strUrl">指定URL蹊径地址</param>
/// <param name="timeout">超不断间设置</param>
/// <returns>服务器ATN了局</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 = "谬误：" + exp.Message;
}
return strResult;
}
}
}
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