/// <summary> /// 核心执行方法 过程中的 委托方代码执行 /// </summary> /// <param name="recMsgXml">传入消息的xml</param> /// <returns></returns> protected virtual Resp <WXChatContext> Execute(string recMsgXml) { var recMsgDirs = WXChatHelper.ChangXmlToDir(recMsgXml, out XmlDocument xmlDoc); recMsgDirs.TryGetValue("MsgType", out var msgType);// recMsgDirs["MsgType"].ToLower(); string eventName = null; if (msgType == "event") { if (!recMsgDirs.TryGetValue("Event", out eventName)) { return(new Resp <WXChatContext>().WithResp(RespTypes.ParaError, "事件消息数据中未发现 事件类型(Event)字段!")); } } var processor = GetBasicMsgProcessor(msgType, eventName); if (!(processor?.CanExecute).HasValue) { processor = GetCustomProcessor(msgType, eventName, recMsgDirs); if (!(processor?.CanExecute).HasValue) { processor = GetRegProcessor(msgType, eventName); } } var context = processor != null && processor.CanExecute ? ExecuteProcessor(xmlDoc, recMsgDirs, processor.CreateNewInstance(), processor.Execute) : ExecuteProcessor(xmlDoc, recMsgDirs, new WXBaseRecMsg(), null); ExecuteEnd(context); return(new Resp <WXChatContext>(context)); }
/// <summary> /// 核心执行 过程的 验签和解密 /// </summary> /// <param name="recXml">消息内容</param> /// <param name="signature">微信加密签名</param> /// <param name="timestamp">时间戳</param> /// <param name="nonce">随机数</param> /// <returns>验证结果及相应的消息内容体 (如果加密模式,返回的是解密后的明文)</returns> private Resp <string> PrepareExecute(string recXml, string signature, string timestamp, string nonce) { if (string.IsNullOrEmpty(recXml)) { return(new Resp <string>().WithResp(RespTypes.ObjectNull, "接收的消息体为空!")); } var resCheck = WXChatHelper.CheckSignature(ApiConfig.Token, signature, timestamp, nonce); if (!resCheck.IsSuccess()) { return(new Resp <string>().WithResp(resCheck));// resCheck.ConvertToResult<string>(); } if (ApiConfig.SecurityType == WXSecurityType.None) { return(new Resp <string>(recXml)); } var dirs = WXChatHelper.ChangXmlToDir(recXml, out XmlDocument xmlDoc); if (dirs == null || !dirs.TryGetValue("Encrypt", out var encryStr) || string.IsNullOrEmpty(encryStr)) { return(new Resp <string>().WithResp(RespTypes.ObjectNull, "加密消息为空")); } var recMsgXml = Cryptography.WXAesDecrypt(encryStr, ApiConfig.EncodingAesKey); return(new Resp <string>(recMsgXml)); }
/// <summary> /// 核心执行方法 /// </summary> /// <param name="recMsgXml">传入消息的xml</param> /// <returns></returns> protected virtual async Task <Resp <WXChatContext> > Processing(string recMsgXml) { var recMsgDirs = WXChatHelper.ChangXmlToDir(recMsgXml, out var xmlDoc); recMsgDirs.TryGetValue("MsgType", out var msgType); string eventName = null; if (msgType == "event") { if (!recMsgDirs.TryGetValue("Event", out eventName)) { return(new Resp <WXChatContext>().WithResp(RespTypes.ParaError, "事件消息数据中未发现 事件类型(Event)字段!")); } } var processor = GetInternalMsgProcessor(msgType, eventName) ?? GetCustomProcessor(msgType, eventName, recMsgDirs); var context = await(processor != null ? ExecuteProcessor(xmlDoc, recMsgDirs, processor) : ExecuteProcessor(xmlDoc, recMsgDirs, SingleInstance <InternalWXChatProcessor> .Instance)); await ExecuteEnd(context); return(new Resp <WXChatContext>(context)); }