protected virtual WechatBaseMessage OnHandleUnknownMessage(WechatBaseMessage arg, string rawXml)
{
using (WechatMessageHandlerSvc.WechatSvcClient client = new WechatMessageHandlerSvc.WechatSvcClient())
{
return(client.HandleUnknownMessage(arg, rawXml));
}
}
private void HandleWechatRequest()
{
string method = Request.HttpMethod.ToUpper();
WechatLib.WriteLog(method + "|" + Request.Url, DateTime.UtcNow);
switch (method)
{
case "GET":
// 微信加密签名
string signature = Request.QueryString["signature"];
// 时间戳
string timestamp = Request.QueryString["timestamp"];
// 随机数
string nonce = Request.QueryString["nonce"];
// 随机字符串
string echostr = Request.QueryString["echostr"];
if (WechatLib.CheckSignature(signature, timestamp, nonce))
{
Response.ClearContent();
Response.ContentType = "text/plain";
Response.Write(echostr);
WechatLib.WriteLog("Echo:" + echostr, DateTime.UtcNow);
}
Response.End();
break;
case "POST":
Response.ContentType = "application/xml";
StreamReader stream = new StreamReader(Request.InputStream);
string xml = stream.ReadToEnd();
WechatBaseMessage msg = WechatBaseMessage.FromXml <WechatBaseMessage>(xml);
WechatLib.WriteMessageLog(msg, WechatLib.MessageDirection.Inbound, xml);
Response.ClearContent();
WechatBaseMessage responseMsg = WechatLib.RespondMessage(msg, xml);
if (responseMsg != null)
{
responseMsg.CreateTime = DateTime.UtcNow;
responseMsg.ToUserName = msg.FromUserName;
responseMsg.FromUserName = msg.ToUserName;
string responseText = responseMsg.ToXml();
Response.Write(responseText);
WechatLib.WriteMessageLog(responseMsg, WechatLib.MessageDirection.Outbound, responseText);
}
Response.End();
break;
}
}
public static void WriteMessageLog(WechatBaseMessage message, MessageDirection direction, string rawData)
{
using (WechatDBDataContext db = new WechatDBDataContext(Settings.Default.WechatDBConnectionString))
{
WechatMessage data = new WechatMessage();
data.CreateTime = message.CreateTime;
data.FromUserName = message.FromUserName;
data.MsgType = message.MsgType;
data.Direction = direction.ToString();
data.ToUserName = message.ToUserName;
data.RawData = rawData;
db.WechatMessages.InsertOnSubmit(data);
db.SubmitChanges();
}
}
public static WechatBaseMessage RespondMessage(WechatBaseMessage inboundMessage, string rawXml)
{
WechatBaseMessage outboundMessage;
//Create message object of specific type based on MsgType value
switch (inboundMessage.MsgType.ToLower())
{
case "text":
WechatTextMessage itm = XmlTypedSerializer <WechatTextMessage> .Deserialize(rawXml);
WriteLog("text message received: " + itm.Content, DateTime.UtcNow);
outboundMessage = TextMessageHandler(itm, rawXml);
break;
case "event":
WechatEventMessage iem = XmlTypedSerializer <WechatEventMessage> .Deserialize(rawXml);
WriteLog(string.Format("event message received: {0}|{1}", iem.EventType, iem.EventKey), DateTime.UtcNow);
outboundMessage = EventMessageHandler(iem, rawXml);
break;
case "image":
WechatImageMessage iim = XmlTypedSerializer <WechatImageMessage> .Deserialize(rawXml);
WriteLog(string.Format("image message received: {0}", iim.PicUr), DateTime.UtcNow);
outboundMessage = ImageMessageHandler(iim, rawXml);
break;
default:
WriteLog(string.Format("Unsupported message type: {0}", inboundMessage.MsgType), DateTime.UtcNow);
outboundMessage = UnknownMessageHandler(inboundMessage, rawXml);
break;
}
return(outboundMessage);
}
