public string MessageToXml(WeChatMessage data)
{
return($@"<xml>
<ToUserName><![CDATA[{data.ToUserName}]]></ToUserName>
<FromUserName><![CDATA[{data.FromUserName}]]></FromUserName>
<CreateTime>{DateTimeOffset.Now.ToUnixTimeSeconds()}</CreateTime>
<MsgType><![CDATA[text]]></MsgType>
<Content><![CDATA[{data.Content}]]></Content>
</xml>");
}
public IActionResult ReceiveMessages(string signature, string echostr, string timestamp, string nonce, string openid)
{
//校验signature
if (!weChat.CheckSignature(timestamp, nonce, signature))
{
return(new JsonResult(new ApiModel
{
code = -111,
msg = "签名校验错误"
}));
}
//绑定接口URL时Token验证
if (echostr != null)
{
return(new ContentResult()
{
Content = echostr
});
}
//处理消息
if (Request.Body != null)
{
using (var reader = new StreamReader(Request.Body))
{
var xml = reader.ReadToEnd();
var message = weChat.HandleMessage(xml);
var reply = new WeChatMessage()
{
FromUserName = message.ToUserName,
ToUserName = message.FromUserName,
MsgType = "text"
};
//关注公众号返回Apikey
//if (message.MsgType == "event")
//{
// if (message.Event== "subscribe")
// {
// reply.Content = CreateApiKey(message.FromUserName);
// }
// else if(message.Event== "unsubscribe")
// {
// RemoveApiKey(message.FromUserName);
// reply.Content = "已取消绑定";
// }
//}
if (message.MsgType == "text")
{
switch (message.Content)
{
case "绑定":
reply.Content = $"APIKEY:{CreateApiKey(message.FromUserName)}";
break;
case "取消绑定":
RemoveApiKey(message.FromUserName);
reply.Content = "已取消绑定，APIKEY已经失效";
break;
default:
reply.Content = "未知命令\n回复'绑定'获取一个APIKEY\n回复'取消绑定'移除已绑定的APIKEY";
break;
}
return(new ContentResult()
{
Content = weChat.MessageToXml(reply)
});
}
else
{
reply.Content = "只支持文本消息";
return(new ContentResult()
{
Content = weChat.MessageToXml(reply)
});
}
}
}
else
{
return(new ContentResult()
{
Content = ""
});
}
}
