1 public class wxXmlModel
2 {
3 public string ToUserName { get; set; }
4 public string FromUserName { get; set; }
5 public string CreateTime { get; set; }
6 public string MsgType { get; set; }
7 public string Content { get; set; }
8 public string MsgId { get; set; }
9
10 }
1 public string Token = "Token";
2
3 protected void Page_Load(object sender, EventArgs e)
4 {
5 string echoStr = Request.QueryString["echoStr"];
6
7
8
9 if (CheckSignature() && !string.IsNullOrEmpty(echoStr))
10 {
11 Response.Write(echoStr);
12 Response.End();
13 }
14 else {
15 //如果没有接收到echostr说明不在是使用token验证
16 //接收微信发送过来的xml消息并且解析
17 Stream requestSream=HttpContext.Current.Request.InputStream;
18 byte[] requestByte=new byte[requestSream.Length];
19 requestSream.Read(requestByte,0,(int)requestSream.Length);
20 string requestStr=Encoding.UTF8.GetString(requestByte);
21
22 if(!string.IsNullOrEmpty(requestStr))
23 {
24 //封装请求类
25 XmlDocument requestDocXml=new XmlDocument();
26 requestDocXml.LoadXml(requestStr);
27 XmlElement rootElement=requestDocXml.DocumentElement;
28 wxXmlModel wxXmlModel=new wxXmlModel();
29 wxXmlModel.ToUserName=rootElement.SelectSingleNode("ToUserName").InnerText;
30 wxXmlModel.FromUserName=rootElement.SelectSingleNode("FromUserName").InnerText;
31 wxXmlModel.CreateTime=rootElement.SelectSingleNode("CreateTime").InnerText;
32 wxXmlModel.MsgType=rootElement.SelectSingleNode("MsgType").InnerText;
33 switch(wxXmlModel.MsgType)
34 {
35 case "text":
36 wxXmlModel.Content=rootElement.SelectSingleNode("Content").InnerText;
37 break;
38 default:
39 break;
40
41 }
42 string xmlMsg = "<xml>" + "<ToUserName><![CDATA[" + wxXmlModel.FromUserName+ "]]></ToUserName>"
43 + "<FromUserName><![CDATA[" + wxXmlModel.ToUserName + "]]></FromUserName>"
44 + "<CreateTime>" + DateTime.Now + "</CreateTime>"
45 + "<MsgType><![CDATA[text]]></MsgType>"
46 + "<Content><![CDATA["+wxXmlModel.Content+"]]></Content>"
47 + "</xml>";
48
49 Response.Write(xmlMsg);
50 }
51 }
52 }
53 private bool CheckSignature()
54 {
55 string signature = Request.QueryString["signature"];
56 string timestamp = Request.QueryString["timestamp"];
57 string nonce = Request.QueryString["nonce"];
58
59 string[] arrTmp = { Token, timestamp, nonce };
60 Array.Sort(arrTmp);
61 string tmpStr = string.Join("", arrTmp);
62 tmpStr = FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr, "SHA1");
63 if (tmpStr != null)
64 {
65 tmpStr = tmpStr.ToLower();
66 return tmpStr == signature;
67 }
68 return false;
69 }
