public Task <object> RecieveObject()
{
return(Task.Run(() =>
{
if (socket.Available == 0)
{
return null;
}
byte[] data = new byte[socket.ReceiveBufferSize];
using (Stream s = new NetworkStream(socket))
s.Read(data, 0, data.Length);
MemoryStream memory = new MemoryStream(data);
memory.Position = 0;
BinaryFormatter formatter = new BinaryFormatter();
object obj = formatter.Deserialize(memory);
memory.Close();
if (obj is byte[] byteObj)
{
obj = AesEncryption.Decryption(byteObj);
}
return obj;
}));
}
private async void ServerSendAllUsersPacket(object obj)
{
byte[] encrypted = AesEncryption.Encryption(obj);
await Task.Run(() =>
{
foreach (User user in users)
{
user.SendObject(encrypted);
}
});
}
private void DeclineButton_Click(object sender, EventArgs e)
{
if (!IAmServer)
{
localUser.SendObject(AesEncryption.Encryption(new MessagePacket(WordTextBox.Text, false)));
}
else
{
MessagePacket mp = new MessagePacket(WordTextBox.Text, false);
mp.Nick = ((User)ClientsList.Items[0]).Nick;
mp.Referee = localUser.Nick;
ServerSendAllUsersMessage(mp, false);
}
AcceptButton.Enabled = false;
DeclineButton.Enabled = false;
WordTextBox.Text = "";
pictureBox1.Image = null;
}
public object ServerReadObject()
{
byte[] data = new byte[socket.ReceiveBufferSize];
using (Stream s = new NetworkStream(socket))
{
s.Read(data, 0, data.Length);
MemoryStream memory = new MemoryStream(data);
memory.Position = 0;
BinaryFormatter formatter = new BinaryFormatter();
object obj = formatter.Deserialize(memory);
memory.Close();
if (obj is byte[] byteObj)
{
obj = AesEncryption.Decryption(byteObj);
}
return(obj);
}
}
private async void SendButton_Click(object sender, EventArgs e)
{
bool sent = false;
bool find = false;
bool correct = false;
if ((GMComboBox.SelectedIndex == 0) && (HistoryListBox.Items.Count > 0) && (MessageTextBox.TextLength > 0))
{
for (int i = HistoryListBox.Items.Count - 1; i >= 0; i--)
{
if (((MessagePacket)HistoryListBox.Items[i]).Res == "Accepted")
{
find = true;
string word = ((MessagePacket)HistoryListBox.Items[i]).Word;
if (char.ToLower(MessageTextBox.Text.ToCharArray()[0]) == char.ToLower(word.ToCharArray()[word.Length - 1]))
{
correct = true;
}
break;
}
}
}
else if (GMComboBox.SelectedIndex == 1)
{
correct = MessageTextBox.Text.StartsWith(TemplateTextBox.Text);
}
else if (GMComboBox.SelectedIndex == 2)
{
correct = MessageTextBox.Text.EndsWith(TemplateTextBox.Text);
}
if ((MessageTextBox.TextLength > 0) && (correct || (!find && (GMComboBox.SelectedIndex == 0))))
{
if (!IAmServer)
{
localUser.SendObject(AesEncryption.Encryption(new QuestionPacket(MessageTextBox.Text)));
}
else
{
((User)ClientsList.Items[1]).SendObject(AesEncryption.Encryption(new QuestionPacket(MessageTextBox.Text, !HistoryDict.ContainsKey(MessageTextBox.Text))));
}
MessageTextBox.Text = "";
sent = true;
}
if (!sent)
{
await Task.Run(() =>
{
int i = 0;
Point p = new Point(0, 0);
Action change = () =>
{
p = SendButton.Location;
SendButton.BackColor = Color.Red;
SendButton.FlatStyle = FlatStyle.Popup;
SendButton.Enabled = false;
};
Action move = () =>
{
SendButton.Location = new Point(SendButton.Location.X + Convert.ToInt32(Math.Sin(i)), SendButton.Location.Y);
};
Action back = () =>
{
SendButton.BackColor = Color.FromArgb(225, 225, 225);
SendButton.FlatStyle = FlatStyle.Standard;
SendButton.Location = p;
SendButton.Enabled = true;
};
Invoke(change);
for (i = 0; i < 20; i++)
{
Invoke(move);
Thread.Sleep(40);
}
Invoke(back);
});
}
}
private Task ServerMonitor()
{
while (true)
{
Thread.Sleep(10);
foreach (User user in users.ToList())
{
if (!user.ServerSocketConnected())
{
users.Remove(user);
Action action = () =>
{
ClientsList.Items.Remove(user);
};
Invoke(action);
ServerSendAllUsersPacket(new QueuePacket(ClientsList.Items));
continue;
}
if (user.socket.Available != 0)
{
object obj = user.ServerReadObject();
if (obj is MessagePacket mp)
{
mp.Nick = ((User)ClientsList.Items[0]).Nick;
mp.Referee = ((User)ClientsList.Items[1]).Nick;
ServerSendAllUsersMessage(mp, mp.Res == "Accepted");
SendButtonCheck();
}
else if (obj is QuestionPacket qp)
{
qp.BColor = !HistoryDict.ContainsKey(qp.Word);
if (((User)ClientsList.Items[1]).guid == localUser.guid)
{
Action action = () =>
{
AcceptButton.Enabled = true;
DeclineButton.Enabled = true;
WordTextBox.Text = qp.Word;
Bitmap bmp = new Bitmap(pictureBox1.Width, pictureBox1.Height);
Graphics g = Graphics.FromImage(bmp);
if (qp.BColor)
{
g.Clear(Color.FromArgb(0, 255, 0));
}
else
{
g.Clear(Color.FromArgb(255, 0, 0));
}
pictureBox1.Image = bmp;
if (AutoAcceptCheckBox.Checked)
{
AcceptButton_Click(null, null);
}
};
Invoke(action);
}
else
{
((User)ClientsList.Items[1]).SendObject(AesEncryption.Encryption(qp));
}
}
else if (obj is UserLoginPacket ulp)
{
user.Nick = ulp.Nick;
user.guid = Guid.NewGuid();
rsa.FromXmlString(ulp.OpenSecret);
BinaryFormatter formatter = new BinaryFormatter();
ServerSecretPacket ssp = new ServerSecretPacket();
SerializableAes sa = new SerializableAes(AesEncryption.Key);
using (MemoryStream stream = new MemoryStream())
{
formatter.Serialize(stream, sa);
ssp.Secret = rsa.Encrypt(stream.ToArray(), RSAEncryptionPadding.OaepSHA256);
}
ssp.guid = user.guid;
ssp.GameRun = GameStarted;
Action action = () =>
{
ClientsList.Items.Add(user);
ssp.start = new StartPacket(GMComboBox.SelectedIndex, TemplateTextBox.Text);
};
Invoke(action);
user.SendObject(ssp);
Thread.Sleep(10);
ServerSendAllUsersPacket(new QueuePacket(ClientsList.Items));
}
else if (obj is HistoryPacket hp)
{
user.SendObject(AesEncryption.Encryption(new HistoryPacket(HistoryListBox.Items)));
}
else
{
throw new Exception("Server: New Packet " + obj.GetType());
}
}
}
}
}
