using System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Web;
using
TalentCloud.Base.Utils;
using
System.IO;
using
System.Text;
using
System.Web.Security;
using
System.Configuration;
using
TalentCloud.Common.Log;
namespace
TalentCloud.Agriculture.Weixin.Web
{
/// <summary>
/// WeiXinCheckSignature 的摘要说明
/// </summary>
public
class
WeiXinCheckSignature : IHttpHandler
{
WeiXinService WeiXinService =
new
WeiXinService();
public
void
ProcessRequest(HttpContext context)
{
string
postString =
string
.Empty;
if
(HttpContext.Current.Request.HttpMethod.ToUpper() ==
"POST"
)
{
using
(Stream stream = HttpContext.Current.Request.InputStream)
{
Byte[] postBytes =
new
Byte[stream.Length];
stream.Read(postBytes, 0, (Int32)stream.Length);
postString = Encoding.UTF8.GetString(postBytes);
}
if
(!
string
.IsNullOrEmpty(postString))
{
///处理回复信息
WeiXinService.ResponseMsg(postString, context);
}
}
else
{
Auth();
//微信接入的测试
}
}
/// <summary>
/// 成为开发者的第一步，验证并相应服务器的数据
/// </summary>
private
void
Auth()
{
string
token = ConfigurationManager.AppSettings[
"WeixinToken"
].TryToString();
//从配置文件获取Token
if
(
string
.IsNullOrEmpty(token))
{
LogHelper.WriteFileLog(
"WeixinToken"
,
string
.Format(
"WeixinToken 配置项没有配置！"
));
}
string
echoString = HttpContext.Current.Request.QueryString[
"echoStr"
];
string
signature = HttpContext.Current.Request.QueryString[
"signature"
];
string
timestamp = HttpContext.Current.Request.QueryString[
"timestamp"
];
string
nonce = HttpContext.Current.Request.QueryString[
"nonce"
];
if
(CheckSignature(token, signature, timestamp, nonce))
{
if
(!
string
.IsNullOrEmpty(echoString))
{
HttpContext.Current.Response.Write(echoString);
HttpContext.Current.Response.End();
}
}
}
/// <summary>
/// 验证微信签名
/// </summary>
public
bool
CheckSignature(
string
token,
string
signature,
string
timestamp,
string
nonce)
{
string
[] ArrTmp = { token, timestamp, nonce };
Array.Sort(ArrTmp);
string
tmpStr =
string
.Join(
""
, ArrTmp);
tmpStr = FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr,
"SHA1"
);
tmpStr = tmpStr.ToLower();
if
(tmpStr == signature)
{
return
true
;
}
else
{
return
false
;
}
}
public
bool
IsReusable
{
get
{
return
false
;
}
}
}
}