private void NewSession(TcpClientSession session)
{
session.SentCompleted += (s, e) =>
{
IncreaseSentSize(e.Header.DataLength + Header.HEADER_SIZE);
if (e.Header.Key == MessageKeys.Literal)
{
var msg = (BytesMessage)e;
Print($"{e.Header.From}:{MessageHelper.LiteralEncoding.GetString(msg.Bytes)}");
}
else if (e.Header.Key == MessageKeys.File)
{
Print($"{e.Header.From}:{e.Header.State}");
}
};
session.Received += (s, e) =>
{
if (e.Header.Key == MessageKeys.Literal)
{
var msg = (BytesMessage)e;
Print($"{e.Header.From ?? "system"}:{MessageHelper.LiteralEncoding.GetString(msg.Bytes)}");
}
else if (e.Header.Key == MessageKeys.Remote)
{
Remote(session, e.Header.From);
}
else if (e.Header.Key == MessageKeys.RemoteStop)
{
}
else if (e.Header.Key == MessageKeys.RemoteImage)
{
var bytesMesaage = e as BytesMessage;
var terminal = RemoteForm.Get(e.Header.From);
if (terminal == null)
{
session.Send(MessageHelper.CreateRemoteStopMessage(this.userName, e.Header.From, null));
return;
}
if (terminal.Disposing || terminal.IsDisposed)
{
return;
}
if (!terminal.Visible)
{
this.Invoke(new MethodInvoker(() =>
{
terminal.Show();
}));
}
terminal.Draw(bytesMesaage.Bytes);
Task.Run(() =>
{
Thread.Sleep(1000);
SendRemoteImageRequest(e.Header.From);
});
}
};
}
private void OtherProxyConnectedHandle(ProxySession session, TcpClientSession targetSession)
{
if (targetSession != null)
{
byte[] data = Encoding.ASCII.GetBytes(m_SendingHeader);
m_SendingHeader = null;
targetSession.Send(data, 0, data.Length);
}
}
// Token: 0x060005C5 RID: 1477 RVA: 0x000198CC File Offset: 0x00017ACC
private void SendDataFragment(WebSocket websocket, int opCode, byte[] playloadData, int offset, int length)
{
byte[] array = this.EncodeDataFrame(opCode, playloadData, offset, length);
TcpClientSession client = websocket.Client;
if (client != null)
{
client.Send(array, 0, array.Length);
}
}
internal void RequestDataReceived(byte[] buffer, int offset, int length)
{
if (m_TargetSession == null)
{
Logger.Error("Cannot receive data before when target socket is connected");
this.Close();
return;
}
m_TargetSession.Send(buffer, offset, length);
}
//---------------------------------------------------------------------
public void Send(ushort method_id, byte[] data)
{
ushort data_len = 0;
byte[] send_buf = null;
if (data == null)
{
data_len = sizeof(ushort);
send_buf = new byte[sizeof(ushort) + data_len];
}
else
{
data_len = (ushort)(sizeof(ushort) + data.Length);
send_buf = new byte[sizeof(ushort) + data_len];
}
Array.Copy(BitConverter.GetBytes(data_len), 0, send_buf, 0, sizeof(ushort));
Array.Copy(BitConverter.GetBytes(method_id), 0, send_buf, sizeof(ushort), sizeof(ushort));
if (data != null && data.Length > 0)
{
Array.Copy(data, 0, send_buf, sizeof(ushort) * 2, data.Length);
}
mSession.Send(send_buf);
}
private void TcpClientAccepted(TcpClientSession session)
{
session.Received += (s, e) =>
{
if (e.Header.Key == MessageKeys.Login)
{
var userName = e.Header.From;
session.Send(MessageHelper.CreateLiteralMessage($"Hello,{userName}", null, userName, "system greeting"));
users.Add(new User()
{
Session = session, UserName = userName
});
Print($"{userName} is logged in.");
}
else if (e.Header.To != null)
{
var user = users.FirstOrDefault(u => u.UserName == e.Header.To);
if (user == null)
{
session.Send(MessageHelper.CreateLiteralMessage($"user {e.Header.To} not found.", null, e.Header.From, "system reply"));
}
else
{
user.Session.Send(e);
}
}
else if (e.Header.Key == MessageKeys.Literal)
{
var msg = (BytesMessage)e;
Print($"{e.Header.From}:{MessageHelper.LiteralEncoding.GetString(msg.Bytes)}");
}
else if (e.Header.Key == MessageKeys.CloseSession)
{
session.Disconnect("client disconnected");
}
};
}
// Token: 0x060005C7 RID: 1479 RVA: 0x000198FC File Offset: 0x00017AFC
public override void SendData(WebSocket websocket, IList <ArraySegment <byte> > segments)
{
List <ArraySegment <byte> > list = new List <ArraySegment <byte> >(segments.Count);
int num = segments.Count - 1;
for (int i = 0; i < segments.Count; i++)
{
ArraySegment <byte> arraySegment = segments[i];
list.Add(new ArraySegment <byte>(this.EncodeDataFrame((i == 0) ? 2 : 0, i == num, arraySegment.Array, arraySegment.Offset, arraySegment.Count)));
}
TcpClientSession client = websocket.Client;
if (client != null)
{
client.Send(list);
}
}
private void Remote(TcpClientSession session, string userName)
{
// 新建一个和屏幕大小相同的图片
Bitmap catchBmp = new Bitmap(Screen.AllScreens[0].Bounds.Width, Screen.AllScreens[0].Bounds.Height);
// 创建一个画板，让我们可以在画板上画图
// 这个画板也就是和屏幕大小一样大的图片
// 我们可以通过Graphics这个类在这个空白图片上画图
Graphics g = Graphics.FromImage(catchBmp);
// 把屏幕图片拷贝到我们创建的空白图片 CatchBmp中
g.CopyFromScreen(new Point(0, 0), new Point(0, 0), new Size(Screen.AllScreens[0].Bounds.Width, Screen.AllScreens[0].Bounds.Height));
var stream = new MemoryStream();
catchBmp.Save(stream, ImageFormat.Png);
var array = stream.ToArray();
var compressed = Helper.Compress(array);
session.Send(MessageHelper.CreateRemoteImageMessage(compressed, this.userName, userName, null));
g.Dispose();
catchBmp.Dispose();
stream.Dispose();
}