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<%@ WebHandler Language="C#" Class="WeixinInterface" %>
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using System;
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using System.Web;
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public class WeixinInterface : IHttpHandler
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{
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HttpContext context = null;
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string postStr = "";
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public void ProcessRequest(HttpContext param_context)
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{
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context = param_context;
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//以寫日志為榮,以打斷點為恥.
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//WriteLog("before valid n");
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//valid();//用于驗證
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//WriteLog("after valid, before post n");
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if (context.Request.HttpMethod.ToLower() == "post")
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{
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System.IO.Stream s = context.Request.InputStream;
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byte[] b = new byte[s.Length];
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s.Read(b, 0, (int)s.Length);
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postStr = System.Text.Encoding.UTF8.GetString(b);
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if (!string.IsNullOrEmpty(postStr))
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{
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responseMsg(postStr);
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}
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//WriteLog("-------AfterResponseMsg:-------n" + postStr);
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}
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}
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public void valid()
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{
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var echostr = context.Request["echoStr"].ToString();
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if (checkSignature() && !string.IsNullOrEmpty(echostr))
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{
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context.Response.Write(echostr);
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context.Response.End();//推送...不然微信平臺無法驗證token
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}
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}
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public bool checkSignature()
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{
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var signature = context.Request["signature"].ToString();
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var timestamp = context.Request["timestamp"].ToString();
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var nonce = context.Request["nonce"].ToString();
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var token = "faketoken";
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string[] ArrTmp = { token, timestamp, nonce };
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Array.Sort(ArrTmp); //字典排序
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string tmpStr = string.Join("", ArrTmp);
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tmpStr = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr, "SHA1");
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tmpStr = tmpStr.ToLower();
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if (tmpStr == signature)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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public string GetSha1(System.Collections.Generic.List codelist)
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{
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codelist.Sort();
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var combostr = string.Empty;
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for (int i = 0; i < codelist.Count; i++)
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{
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combostr += codelist;
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}
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return EncryptToSHA1(combostr);
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}
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public string EncryptToSHA1(string str)
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{
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System.Security.Cryptography.SHA1CryptoServiceProvider sha1 = new System.Security.Cryptography.SHA1CryptoServiceProvider();
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byte[] str1 = System.Text.Encoding.UTF8.GetBytes(str);
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byte[] str2 = sha1.ComputeHash(str1);
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sha1.Clear();
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(sha1 as IDisposable).Dispose();
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return Convert.ToBase64String(str2);
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}
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public void responseMsg(string postStr)
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{
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System.Xml.XmlDocument postObj = new System.Xml.XmlDocument();
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postObj.LoadXml(postStr);
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WriteLog("responseMsg:-------" + postStr);
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var FromUserNameList = postObj.GetElementsByTagName("FromUserName");
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string FromUserName = string.Empty;
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for (int i = 0; i < FromUserNameList.Count; i++)
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{
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if (FromUserNameList.ChildNodes[0].NodeType == System.Xml.XmlNodeType.CDATA)
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{
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FromUserName = FromUserNameList.ChildNodes[0].Value;
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}
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}
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var toUsernameList = postObj.GetElementsByTagName("ToUserName");
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string ToUserName = string.Empty;
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for (int i = 0; i < toUsernameList.Count; i++)
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{
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if (toUsernameList.ChildNodes[0].NodeType == System.Xml.XmlNodeType.CDATA)
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{
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ToUserName = toUsernameList.ChildNodes[0].Value;
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}
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}
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var keywordList = postObj.GetElementsByTagName("Content");
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string Content = string.Empty;
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for (int i = 0; i < keywordList.Count; i++)
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{
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if (keywordList.ChildNodes[0].NodeType == System.Xml.XmlNodeType.CDATA)
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{
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Content = keywordList.ChildNodes[0].Value;
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}
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}
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var time = DateTime.Now;
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var textpl = "" +
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"" +
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"" + ConvertDateTimeInt(DateTime.Now) + "" +
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"0 ";
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context.Response.Write(textpl);
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context.Response.End();
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}
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private DateTime UnixTimeToTime(string timeStamp)
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{
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DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
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long lTime = long.Parse(timeStamp + "0000000");
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TimeSpan toNow = new TimeSpan(lTime);
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return dtStart.Add(toNow);
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}
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private int ConvertDateTimeInt(System.DateTime time)
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{
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System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
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return (int)(time - startTime).TotalSeconds;
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}
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private void WriteLog(string strMemo)
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{
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string filename = "D:/WEBHOME/logs/log.txt";
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if (!System.IO.Directory.Exists("D:/WEBHOME/logs/"))
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System.IO.Directory.CreateDirectory("D:/WEBHOME/logs/");
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System.IO.StreamWriter sr = null;
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try
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{
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if (!System.IO.File.Exists(filename))
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{
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sr = System.IO.File.CreateText(filename);
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}
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else
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{
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sr = System.IO.File.AppendText(filename);
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}
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sr.WriteLine(strMemo);
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}
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catch
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{
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}
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finally
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{
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if (sr != null)
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sr.Close();
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}
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}
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public bool IsReusable
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{
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get
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{
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return false;
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}
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}
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}
復制代碼
1.如果是為了驗證微信接口的token是否通過, 將valid注釋去掉
2.如果要返回給用戶值, 注釋掉valid
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