コード例 #1
0
        /// <summary>
        ///  服务器接入验证
        /// </summary>
        /// <returns></returns>
        public static StrResp CheckServerValid(WechatMsgConfig appConfig, WechatRequestPara reqBody)
        {
            var checkSignRes =
                WechatChatHelper.CheckSignature(appConfig.Token, reqBody.signature, reqBody.timestamp, reqBody.nonce, string.Empty);

            var resultRes = new StrResp().WithResp(checkSignRes);

            resultRes.data = resultRes.IsSuccess() ? reqBody.echostr : string.Empty;

            return(resultRes);
        }
コード例 #2
0
        /// <summary>
        /// 消息处理入口
        /// </summary>
        /// <param name="appConfig"></param>
        /// <param name="reqBody">请求参数信息</param>
        /// <returns>消息结果,Data为响应微信数据,如果出错Message为错误信息</returns>
        public async Task <StrResp> Process(WechatMsgConfig appConfig, WechatRequestPara reqBody)
        {
            if (string.IsNullOrEmpty(reqBody.signature) || string.IsNullOrEmpty(reqBody.timestamp) ||
                string.IsNullOrEmpty(reqBody.nonce) || appConfig == null)
            {
                return(new StrResp().WithResp(RespTypes.ParaError, "消息相关参数错误!"));
            }

            // 一.  检查是否是微信服务端首次地址Get请求验证
            if (!string.IsNullOrEmpty(reqBody.echostr))
            {
                return(CheckServerValid(appConfig, reqBody));
            }

            if (string.IsNullOrEmpty(reqBody.body))
            {
                return(new StrResp().WithResp(RespTypes.ParaError, "消息相关参数错误!"));
            }

            var checkRes = Prepare(appConfig, reqBody);

            if (!checkRes.IsSuccess())
            {
                return(new StrResp().WithResp(checkRes));
            }

            var contextRes = await Processing(appConfig.AppId, checkRes.data);

            if (!contextRes.IsSuccess())
            {
                return(new StrResp().WithResp(contextRes));
            }

            var resultString = contextRes.data.ReplyMsg.ToReplyXml();

            if (appConfig.SecurityType != WechatSecurityType.None &&
                !string.IsNullOrEmpty(contextRes.data.ReplyMsg.MsgType))
            {
                return(WechatChatHelper.EncryptMsg(resultString, appConfig));
            }

            return(new StrResp(resultString));
        }
コード例 #3
0
        /// <summary>
        /// 核心执行 过程的  验签和解密
        /// </summary>
        /// <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 static StrResp Prepare(WechatMsgConfig appConfig, WechatRequestPara reqBody)
        {
            var isEncryptMsg = appConfig.SecurityType == WechatSecurityType.Safe;

            if (!isEncryptMsg)
            {
                var resCheck =
                    WechatChatHelper.CheckSignature(appConfig.Token, reqBody.signature, reqBody.timestamp, reqBody.nonce, string.Empty);
                return(!resCheck.IsSuccess() ? new StrResp().WithResp(resCheck) : new StrResp(reqBody.body));
            }

            if (string.IsNullOrEmpty(reqBody.msg_signature))
            {
                return(new StrResp().WithResp(RespTypes.ParaError, "msg_signature 消息体验证签名参数为空!"));
            }

            var xmlDoc   = WechatChatHelper.GetXmlDocment(reqBody.body);
            var encryStr = xmlDoc?.FirstChild["Encrypt"]?.InnerText;

            if (string.IsNullOrEmpty(encryStr))
            {
                return(new StrResp().WithResp(RespTypes.OperateObjectNull, "安全接口的加密字段为空!"));
            }

            var cryptMsgCheck =
                WechatChatHelper.CheckSignature(appConfig.Token, reqBody.msg_signature, reqBody.timestamp, reqBody.nonce, encryStr);

            if (!cryptMsgCheck.IsSuccess())
            {
                return(new StrResp().WithResp(cryptMsgCheck));
            }

            var recMsgXml = Cryptography.AESDecrypt(encryStr, appConfig.EncodingAesKey);

            return(new StrResp(recMsgXml));
        }