1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 | <%@ WebHandler Language= "C#" Class= "WeixinInterface" %> using System; using System.Web; public class WeixinInterface : IHttpHandler { HttpContext context = null ; string postStr = "" ; public void ProcessRequest(HttpContext param_context) { context = param_context; //以写日志为荣,以打断点为耻. //WriteLog("before valid \n"); //valid();//用于验证 //WriteLog("after valid, before post \n"); if (context.Request.HttpMethod.ToLower() == "post" ) { System.IO.Stream s = context.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); } //WriteLog("-------AfterResponseMsg:-------\n" + postStr); } } public void valid() { var echostr = context.Request[ "echoStr" ].ToString(); if (checkSignature() && ! string .IsNullOrEmpty(echostr)) { context.Response.Write(echostr); context.Response.End(); //推送...不然微信平台无法验证token } } public bool checkSignature() { var signature = context.Request[ "signature" ].ToString(); var timestamp = context.Request[ "timestamp" ].ToString(); var nonce = context.Request[ "nonce" ].ToString(); var token = "faketoken" ; string [] ArrTmp = { token, timestamp, nonce }; Array.Sort(ArrTmp); //字典排序 string tmpStr = string .Join( "" , ArrTmp); tmpStr = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr, "SHA1" ); tmpStr = tmpStr.ToLower(); if (tmpStr == signature) { return true ; } else { return false ; } } public string GetSha1(System.Collections.Generic.List< string > codelist) { codelist.Sort(); var combostr = string .Empty; for ( int i = 0; i < codelist.Count; i++) { combostr += codelist[i]; } return EncryptToSHA1(combostr); } public string EncryptToSHA1( string str) { System.Security.Cryptography.SHA1CryptoServiceProvider sha1 = new System.Security.Cryptography.SHA1CryptoServiceProvider(); byte [] str1 = System.Text.Encoding.UTF8.GetBytes(str); byte [] str2 = sha1.ComputeHash(str1); sha1.Clear(); (sha1 as IDisposable).Dispose(); return Convert.ToBase64String(str2); } public void responseMsg( string postStr) { System.Xml.XmlDocument postObj = new System.Xml.XmlDocument(); postObj.LoadXml(postStr); WriteLog( "responseMsg:-------" + postStr); var FromUserNameList = postObj.GetElementsByTagName( "FromUserName" ); string FromUserName = string .Empty; for ( int i = 0; i < FromUserNameList.Count; i++) { if (FromUserNameList[i].ChildNodes[0].NodeType == System.Xml.XmlNodeType.CDATA) { FromUserName = FromUserNameList[i].ChildNodes[0].Value; } } var toUsernameList = postObj.GetElementsByTagName( "ToUserName" ); string ToUserName = string .Empty; for ( int i = 0; i < toUsernameList.Count; i++) { if (toUsernameList[i].ChildNodes[0].NodeType == System.Xml.XmlNodeType.CDATA) { ToUserName = toUsernameList[i].ChildNodes[0].Value; } } var keywordList = postObj.GetElementsByTagName( "Content" ); string Content = string .Empty; for ( int i = 0; i < keywordList.Count; i++) { if (keywordList[i].ChildNodes[0].NodeType == System.Xml.XmlNodeType.CDATA) { Content = keywordList[i].ChildNodes[0].Value; } } var time = DateTime.Now; var textpl = "<xml><ToUserName><![CDATA[" + FromUserName + "]]></ToUserName>" + "<FromUserName><![CDATA[" + ToUserName + "]]></FromUserName>" + "<CreateTime>" + ConvertDateTimeInt(DateTime.Now) + "</CreateTime><MsgType><![CDATA[text]]></MsgType>" + "<Content><![CDATA[欢迎来到微信世界---" + Content + "]]></Content><FuncFlag>0</FuncFlag></xml> " ; context.Response.Write(textpl); context.Response.End(); } 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); } private int ConvertDateTimeInt(System.DateTime time) { System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime( new System.DateTime(1970, 1, 1)); return ( int )(time - startTime).TotalSeconds; } private void WriteLog( string strMemo) { string filename = "D:/WEBHOME/logs/log.txt" ; if (!System.IO.Directory.Exists( "D:/WEBHOME/logs/" )) System.IO.Directory.CreateDirectory( "D:/WEBHOME/logs/" ); System.IO.StreamWriter sr = null ; try { if (!System.IO.File.Exists(filename)) { sr = System.IO.File.CreateText(filename); } else { sr = System.IO.File.AppendText(filename); } sr.WriteLine(strMemo); } catch { } finally { if (sr != null ) sr.Close(); } } public bool IsReusable { get { return false ; } } } |
1.如果是为了验证微信接口的token是否通过, 将valid注释去掉
2.如果要返回给用户值, 注释掉valid
作者:石世特
出处:http://www.cnblogs.com/TivonStone/
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