public void ProcessRequest(HttpContext context)
{
Log.WriteDebug("ProcessRequest start");
try
{
Stream stream = context.Request.InputStream;
byte[] byteArray = new byte[stream.Length];
stream.Read(byteArray, 0, (int)stream.Length);
string postXmlStr = System.Text.Encoding.UTF8.GetString(byteArray);
Log.WriteDebug("1");
if (!string.IsNullOrEmpty(postXmlStr))
{
Log.WriteDebug("IsNullOrEmpty");
XmlDocument doc = new XmlDocument();
doc.LoadXml(postXmlStr);
if (string.IsNullOrWhiteSpace(sToken))
{
Log.WriteDebug("string.IsNullOrWhiteSpace(sToken)");
DataTable dt = ConfigDal.GetConfig(WXMsgUtil.GetFromXML(doc, "ToUserName"));
DataRow dr = dt.Rows[0];
sToken = dr["Token"].ToString();
sAppID = dr["AppID"].ToString();
sEncodingAESKey = dr["EncodingAESKey"].ToString();
Log.WriteDebug(sToken + "\r\n" + sAppID + "\r\n" + sEncodingAESKey + "\r\n");
}
Log.WriteDebug("2");
if (!string.IsNullOrWhiteSpace(sAppID)) //没有AppID则不解密(订阅号没有AppID)
{
Log.WriteDebug("!string.IsNullOrWhiteSpace(sAppID)");
//解密
WXBizMsgCrypt wxcpt = new WXBizMsgCrypt(sToken, sEncodingAESKey, sAppID);
string signature = context.Request["msg_signature"];
string timestamp = context.Request["timestamp"];
string nonce = context.Request["nonce"];
Log.WriteDebug(signature + "\r\n" + timestamp + "\r\n" + nonce + "\r\n");
string stmp = "";
int ret = wxcpt.DecryptMsg(signature, timestamp, nonce, postXmlStr, ref stmp);
if (ret == 0)
{
doc = new XmlDocument();
doc.LoadXml(stmp);
try
{
Log.WriteDebug("3");
responseMsg(context, doc);
}
catch (Exception ex)
{
//FileLogger.WriteErrorLog(context, ex.Message);
Log.WriteError(ex.Message);
}
}
else
{
//FileLogger.WriteErrorLog(context, "解密失败，错误码：" + ret);
Log.WriteError("解密失败，错误码：" + ret);
}
}
else
{
Log.WriteDebug("responseMsg(context, doc);");
responseMsg(context, doc);
}
}
else
{
Log.WriteError("valid(context);");
valid(context);
}
}
catch (Exception ex)
{
//FileLogger.WriteErrorLog(context, ex.Message);
Log.WriteError("ProcessRequest" + context.ToString() + ex.Message);
}
}
public HttpResponseMessage WetChatVerify(HttpRequestMessage content) //HttpRequestMessage 和HttpResponseMessage，分别用于封装Requset和Response
{
string echostr = (from kvp in content.GetQueryNameValuePairs()
where kvp.Key == "echostr"
select kvp.Value).FirstOrDefault();
string signature = (from kvp in content.GetQueryNameValuePairs()
where kvp.Key == "signature"
select kvp.Value).FirstOrDefault();
string timestamp = (from kvp in content.GetQueryNameValuePairs()
where kvp.Key == "timestamp"
select kvp.Value).FirstOrDefault();
string nonce = (from kvp in content.GetQueryNameValuePairs()
where kvp.Key == "nonce"
select kvp.Value).FirstOrDefault();
log.Info("echostr:" + echostr + " signature:" + signature + " nonce:" + nonce);
string xmlContent = content.Content.ReadAsStringAsync().Result;
string response = string.Empty;
log.Info("xml3:" + xmlContent);
if (!string.IsNullOrEmpty(xmlContent))
{
XmlDocument doc = new XmlDocument();
doc.LoadXml(xmlContent);
WeChatMessage msg = WeChatHelper.GetWxMessage(xmlContent);
if (msg.MsgType.Trim() == "text")//用户发送一些文字信息
{
string text = WXMsgUtil.GetFromXML(doc, "Content") + "";
response = WXMsgUtil.GetTulingMsg(text != ""?text:"你是谁?") + "";
log.Info("text:" + text + " tuling:" + response);
}
if (msg.MsgType.Trim() == "event")//点击菜单或者新增/取消关注
{
switch (msg.EventName.Trim().ToLower())
{
case "click": //点击菜单
response = "haha";
break;
case "subscribe": //用户新增关注（可以返回一些欢迎信息之类）
response = "wawa";
break;
case "unsubscribe": //用户取消关注（一般不需要去返回什么信息）
default:
break;
}
}
HttpResponseMessage xmlResult = new HttpResponseMessage();
xmlResult.Content = new StringContent(WXMsgUtil.CreateTextMsg(doc, response != "" ? response : "返回不能为空值!"));
return(xmlResult);
}
string returnStr = "";
if (string.IsNullOrEmpty(echostr) | string.IsNullOrEmpty(signature) | string.IsNullOrEmpty(timestamp) | string.IsNullOrEmpty(nonce))
{
returnStr = "error";
}
//if (CheckSignature(signature, timestamp, nonce))
//{
// log.Info("验证成功，返回：" + echostr);
returnStr = echostr;
//}
HttpResponseMessage result = new HttpResponseMessage();
result.Content = new StringContent(returnStr != ""?returnStr:"返回不能为空值!");
return(result);
}
public void responseMsg(HttpContext context, XmlDocument xmlDoc)
{
string result = "";
string msgType = WXMsgUtil.GetFromXML(xmlDoc, "MsgType");
switch (msgType)
{
case "event":
switch (WXMsgUtil.GetFromXML(xmlDoc, "Event"))
{
case "subscribe": //订阅
break;
case "unsubscribe": //取消订阅
break;
case "CLICK":
DataTable dtMenuMsg = MenuMsgDal.GetMenuMsg(WXMsgUtil.GetFromXML(xmlDoc, "EventKey"));
if (dtMenuMsg.Rows.Count > 0)
{
List <Dictionary <string, string> > dictList = new List <Dictionary <string, string> >();
foreach (DataRow dr in dtMenuMsg.Rows)
{
Dictionary <string, string> dict = new Dictionary <string, string>();
dict["Title"] = dr["Title"].ToString();
dict["Description"] = dr["Description"].ToString();
dict["PicUrl"] = dr["PicUrl"].ToString();
dict["Url"] = dr["Url"].ToString();
dictList.Add(dict);
}
result = WXMsgUtil.CreateNewsMsg(xmlDoc, dictList);
}
else
{
result = WXMsgUtil.CreateTextMsg(xmlDoc, "无此消息哦");
}
break;
default:
break;
}
break;
case "text":
string text = WXMsgUtil.GetFromXML(xmlDoc, "Content");
//if (text == "合肥" || text == "合肥天气" || text == "合肥天气预报"
// || text.ToLower() == "hf" || text.ToLower() == "hefei")
//{
// result = WXMsgUtil.CreateNewsMsg(xmlDoc, WeatherUtil.GetWeatherInfo());
//}
//else
{
result = WXMsgUtil.CreateNewsMsg(xmlDoc, Weather.GetForecastInfo(text));
//result = WXMsgUtil.CreateTextMsg(xmlDoc, WXMsgUtil.GetTulingMsg(text));
}
break;
default:
break;
}
if (!string.IsNullOrWhiteSpace(sAppID)) //没有AppID则不加密(订阅号没有AppID)
{
//加密
WXBizMsgCrypt wxcpt = new WXBizMsgCrypt(sToken, sEncodingAESKey, sAppID);
string sEncryptMsg = ""; //xml格式的密文
string timestamp = context.Request["timestamp"];
string nonce = context.Request["nonce"];
int ret = wxcpt.EncryptMsg(result, timestamp, nonce, ref sEncryptMsg);
if (ret != 0)
{
//FileLogger.WriteErrorLog(context, "加密失败，错误码：" + ret);
Log.WriteDebug("加密失败，错误码：" + ret);
return;
}
context.Response.Write(sEncryptMsg);
context.Response.Flush();
}
else
{
context.Response.Write(result);
context.Response.Flush();
}
}