public static RequestMessage DeSerialize(Stream stream, string encrypttype, PublicAccount pi)
{
XmlDocument x = new XmlDocument();
x.Load(stream);
logger.Trace("sourceXml");
logger.Trace(x.OuterXml);
if (encrypttype == "raw")
{//明文模式 直接反序列化
return DeSerialize(x.OuterXml);
}
else if (encrypttype == "aes")
{
using (StringReader sr = new StringReader(x.OuterXml))
{
using (XmlReader xr = XmlReader.Create(sr))
{
System.Xml.Serialization.XmlSerializer xs = new System.Xml.Serialization.XmlSerializer(typeof(RequestMessage));
RequestMessage rm = xs.Deserialize(xr) as RequestMessage;
MessageCryptor mc = new MessageCryptor(pi.MessageToken, pi.EncryptionKey, pi.AppId);
string emessage = mc.Decrypt(rm.Encrypt);
return DeSerialize(emessage);
}
}
}
else
{
throw new NotSupportedException();
}
}
/// <summary>
/// 同步消息处理
/// </summary>
/// <param name="stream"></param>
/// <returns></returns>
public string ProcessRequest(string url, string HttpMethod, Stream stream)
{
if (!Inited)
throw new WxException("MessageCenter 尚未注册监听器 无法处理消息");
if (SdkSetup.MessageTokenGetter == null)
throw new ArgumentNullException("TokenGetter");
var urlParmteres = QueryString(url);
PublicAccount pi = SdkSetup.MessageTokenGetter(urlParmteres);
string token = pi.MessageToken;
if (HttpMethod == "GET")
{
return GetValidate(urlParmteres, token);
}
else if (HttpMethod == "POST")
{
if (!PostValidate(urlParmteres, token))
{
throw new WxException("Token错误");
}
}
else
{
throw new HttpException((int)System.Net.HttpStatusCode.MethodNotAllowed, "不支持的Http请求方式");
}
string encrypttype = urlParmteres["encrypt_type"];
encrypttype = string.IsNullOrEmpty(encrypttype) ? "raw" : encrypttype.ToLower();
RequestMessage req = MessageSerializer.DeSerialize(stream, encrypttype, pi);
IMessageListener listener = Activator.CreateInstance(ListererType) as IMessageListener;
ResponseMessage rsp = null;
try
{
rsp = listener.ProcessRequest(req);
}
catch (Exception e)
{
logger.Error(e);
throw;
}
if (rsp == null)
return string.Empty;
listener.Dispose();
string rexml = rsp.ToXml();
if (encrypttype == "aes")
{
string timestamp = urlParmteres["timestamp"];
string nonce = urlParmteres["nonce"];
MessageCryptor mc = new MessageCryptor(pi.MessageToken, pi.EncryptionKey, pi.AppId);
rexml = mc.Encrypt(rexml, timestamp, nonce);
}
return rexml;
}
