internal void handleReCreateRSA(MessageBag msgBag)
{
try
{
//上一次没解码的内容
if (!msgBag.SessionID.IsNullOrEmpty())
{
this.Session = SessionState.GetSession(msgBag.SessionID);
}
if (this.Session == null)
{
this.Session = SessionState.GetSession(Guid.NewGuid().ToString());
}
this.Session["$$_RSACryptoServiceProvider"] = null;
CreateRSAKey(this.Session);
mSendDataFunc(Newtonsoft.Json.JsonConvert.SerializeObject(new
{
rsa = new { Exponent = this.Session["$$_rsa_PublicKeyExponent"], Modulus = this.Session["$$_rsa_PublicKeyModulus"] },
}));
}
catch (Exception ex)
{
mSendDataFunc(Newtonsoft.Json.JsonConvert.SerializeObject(new
{
err = ex.ToString(),
}));
}
}
void handleInit(MessageBag msgBag)
{
try
{
bool outputRSAKey = false;
string remoteName = msgBag.ClassFullName;
TypeDefine pageDefine = checkRemotingName(remoteName);
List <MethodDefineForJs> methodDefineForOutput = new List <MethodDefineForJs>();
foreach (MethodInfo method in pageDefine.Methods)
{
var parameters = method.GetParameters();
RemotingMethodAttribute methodAttr = (RemotingMethodAttribute)method.GetCustomAttribute(typeof(RemotingMethodAttribute));
var mItem = new MethodDefineForJs()
{
Method = method.Name,
ParameterLength = parameters.Length,
EncryptParameters = methodAttr.UseRSA.HasFlag(RSAApplyScene.EncryptParameters),
EncryptResult = methodAttr.UseRSA.HasFlag(RSAApplyScene.EncryptResult),
};
if (mItem.EncryptResult || mItem.EncryptParameters)
{
outputRSAKey = true;
}
methodDefineForOutput.Add(mItem);
}
//RemotingController currentPage = (RemotingController)Activator.CreateInstance(pageDefine.ControllerType);
//currentPage.Session = this.Session;
//currentPage.onLoad();
if (outputRSAKey)
{
CreateRSAKey(this.Session);
}
mSendDataFunc(Newtonsoft.Json.JsonConvert.SerializeObject(new
{
methods = methodDefineForOutput,
SessionID = this.Session.SessionID,
rsa = outputRSAKey ? new { Exponent = this.Session["$$_rsa_PublicKeyExponent"], Modulus = this.Session["$$_rsa_PublicKeyModulus"] } : null,
}));
}
catch (Exception ex)
{
mSendDataFunc(Newtonsoft.Json.JsonConvert.SerializeObject(new
{
err = ex.ToString(),
}));
}
}
void handleUploadFile(MessageBag msgBag)
{
mFileGettedSize = 0;
try
{
string remoteName = msgBag.ClassFullName;
var pageDefine = checkRemotingName(remoteName);
RemotingController currentPage = (RemotingController)Activator.CreateInstance(pageDefine.ControllerType);
currentPage.Session = this.Session;
currentPage.RequestHeaders = new RemotingController.RequestHeaderCollection(_GetHeaderValueHandler);
RemotingContext.Current.Controller = currentPage;
currentPage.onLoad();
mFileGettedSize = msgBag.Offset;
try
{
mUploadFileHandler = currentPage.OnBeginUploadFile(msgBag.FileName, msgBag.State, msgBag.FileSize, msgBag.Offset);
}
catch
{
throw;
}
finally
{
currentPage.unLoad();
}
SendData(MessageType.UploadFileBegined, "ok", "");
}
catch (Exception ex)
{
var baseException = ex.GetBaseException();
SendData(MessageType.InvokeError, baseException != null ? baseException.Message : ex.Message, "");
}
}
public virtual void OnReceived(string data)
{
try
{
MessageBag msgBag = Newtonsoft.Json.JsonConvert.DeserializeObject <MessageBag>(data);
mCurrentBag = msgBag;
if (this.Session == null)
{
if (msgBag.SessionID.IsNullOrEmpty())
{
this.Session = SessionState.GetSession(Guid.NewGuid().ToString());
}
else
{
this.Session = SessionState.GetSession(msgBag.SessionID);
if (this.Session == null)
{
this.Session = SessionState.GetSession(Guid.NewGuid().ToString());
}
}
}
if (msgBag.Action == "init")
{
handleInit(msgBag);
}
else if (msgBag.Action == "exit")
{
mCloseStreamHandler();
}
else if (msgBag.Action == "UploadFile")
{
this.StreamType = RemotingStreamType.Bytes;
handleUploadFile(msgBag);
}
else if (msgBag.Action == "w_heart")//websocket心跳包
{
SendClientMessage("1", 2);
return;
}
else if (msgBag.Action == "w_msg")//websocket消息
{
RemotingController.MessageReceive(this.Session, msgBag.State);
return;
}
else if (msgBag.MethodName.IsNullOrEmpty() == false)
{
handleMethodInvoke(msgBag);
}
else if (msgBag.GroupName.IsNullOrEmpty() == false)
{
this.GroupName = msgBag.GroupName;
if (RemotingController.MessageReceiverConnect(this.Session, this.GroupName) == false)
{
throw new Exception("服务器拒绝你接收信息");
}
KeepAliveHandlers.Add(this);
return;
}
}
catch (Exception ex)
{
throw ex;
}
}
void handleMethodInvoke(MessageBag msgBag)
{
RemotingController currentPage = null;
try
{
var pageDefine = checkRemotingName(msgBag.ClassFullName);
currentPage = (RemotingController)Activator.CreateInstance(pageDefine.ControllerType);
currentPage.Session = this.Session;
currentPage.RequestHeaders = new RemotingController.RequestHeaderCollection(_GetHeaderValueHandler);
RemotingContext.Current.Controller = currentPage;
currentPage.onLoad();
try
{
MethodInfo[] methodinfos = pageDefine.Methods.Where(m => m.Name == msgBag.MethodName).ToArray();
if (methodinfos.Length == 0)
{
throw new Exception($"没有找到方法{msgBag.MethodName},可能因为此方法没有定义[RemotingMethod]");
}
for (int k = 0; k < methodinfos.Length; k++)
{
var methodinfo = methodinfos[k];
RemotingMethodAttribute methodAttr = (RemotingMethodAttribute)methodinfo.GetCustomAttribute(typeof(RemotingMethodAttribute));
object[] jsParameters = null;
if (msgBag.ParameterJson.StartsWith("["))
{
jsParameters = msgBag.ParameterJson.FromJson <object[]>();
}
else
{
jsParameters = DecrptRSA(this.Session, msgBag.ParameterJson).FromJson <object[]>();
}
var pInfos = methodinfo.GetParameters();
if (pInfos.Length != jsParameters.Length)
{
if (k == methodinfos.Length - 1)
{
throw new Exception($"{msgBag.MethodName}参数数量与服务器不一致");
}
continue;
}
object[] parameters = new object[pInfos.Length];
for (int i = 0; i < parameters.Length; i++)
{
if (jsParameters[i] == null)
{
continue;
}
Type pType = pInfos[i].ParameterType;
if (jsParameters[i] is Newtonsoft.Json.Linq.JToken)
{
parameters[i] = (jsParameters[i] as Newtonsoft.Json.Linq.JToken).ToObject(pType);
}
else if (pType.GetTypeInfo().IsEnum || (pType.GetTypeInfo().IsGenericType&& pType.GetGenericTypeDefinition() == typeof(Nullable <>) && pType.GetGenericArguments()[0].GetTypeInfo().IsEnum))
{
Type enumType = pType;
if (pType.GetTypeInfo().IsGenericType)
{
enumType = pType.GetGenericArguments()[0];
}
parameters[i] = Enum.Parse(enumType, jsParameters[i].ToSafeString());
}
else
{
parameters[i] = Convert.ChangeType(jsParameters[i], pType);
}
}
object result = null;
result = currentPage._OnInvokeMethod(methodinfo, parameters);
if (methodAttr.UseRSA.HasFlag(RSAApplyScene.EncryptResult) && result != null)
{
SendData(MessageType.Result, result, Session.SessionID, encryptToReturn);
}
else
{
SendData(MessageType.Result, result, Session.SessionID);
}
break;
}
}
catch
{
throw;
}
finally
{
currentPage.unLoad();
}
}
catch (RSADecrptException)
{
CreateRSAKey(this.Session);
SendData(MessageType.RSADecrptError, new { Exponent = this.Session["$$_rsa_PublicKeyExponent"], Modulus = this.Session["$$_rsa_PublicKeyModulus"] }, currentPage.Session.SessionID);
}
catch (Exception ex)
{
var baseException = ex.GetBaseException();
SendData(MessageType.InvokeError, baseException != null ? baseException.Message : ex.Message, currentPage.Session.SessionID);
}
}
