using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.IO;
using System.Net;
using System.Text;
using System.Xml;
using System.Web.Security;
public partial class weixin : System.Web.UI.Page
{
const string Token = "token";//你的token
protected void Page_Load(object sender, EventArgs e)
{
string postStr = "";
if (Request.HttpMethod.ToLower() == "post")
{
System.IO.Stream s = System.Web.HttpContext.Current.Request.InputStream;
byte[] b = new byte[s.Length];
s.Read(b, 0, (int)s.Length);
postStr = System.Text.Encoding.UTF8.GetString(b);
if (!string.IsNullOrEmpty(postStr))
{
//ResponseMsg(postStr);
Response.Write(ResponseMsg(postStr));
Response.End();
}
//WriteLog("postStr:" + postStr);
}
else
{
Valid();
}
}
/// <summary>
/// 验证微信签名
/// </summary>
/// * 将token、timestamp、nonce三个参数进行字典序排序
/// * 将三个参数字符串拼接成一个字符串进行sha1加密
/// * 开发者获得加密后的字符串可与signature对比，标识该请求来源于微信。
/// <returns></returns>
private bool CheckSignature()
{
string signature = Request.QueryString["signature"].ToString();
string timestamp = Request.QueryString["timestamp"].ToString();
string nonce = Request.QueryString["nonce"].ToString();
string[] ArrTmp = { Token, timestamp, nonce };
Array.Sort(ArrTmp); //字典排序
string tmpStr = string.Join("", ArrTmp);
tmpStr = FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr, "SHA1");
tmpStr = tmpStr.ToLower();
if (tmpStr == signature)
{
return true;
}
else
{
return false;
}
}
private void Valid()
{
string echoStr = Request.QueryString["echoStr"].ToString();
if (CheckSignature())
{
if (!string.IsNullOrEmpty(echoStr))
{
Response.Write(echoStr);
Response.End();
}
}
}
/// <summary>
/// 返回信息结果(微信信息返回)
/// </summary>
/// <param name="weixinXML"></param>
private string ResponseMsg(string weixinXML)
{
///这里写你的返回信息代码
return "";
}
/// <summary>
/// unix时间转换为datetime
/// </summary>
/// <param name="timeStamp"></param>
/// <returns></returns>
private DateTime UnixTimeToTime(string timeStamp)
{
DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
long lTime = long.Parse(timeStamp + "0000000");
TimeSpan toNow = new TimeSpan(lTime);
return dtStart.Add(toNow);
}
/// <summary>
/// datetime转换为unixtime
/// </summary>
/// <param name="time"></param>
/// <returns></returns>
private int ConvertDateTimeInt(System.DateTime time)
{
System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
return (int)(time - startTime).TotalSeconds;
}
/// <summary>
/// 写日志(用于跟踪)
/// </summary>
private void WriteLog(string strMemo)
{
string filename = Server.MapPath("/logs/log.txt");
if (!Directory.Exists(Server.MapPath("//logs//")))
Directory.CreateDirectory("//logs//");
StreamWriter sr = null;
try
{
if (!File.Exists(filename))
{
sr = File.CreateText(filename);
}
else
{
sr = File.AppendText(filename);
}
sr.WriteLine(strMemo);
}
catch
{
}
finally
{
if (sr != null)
sr.Close();
}
}
}