private async Task HandleXmlPacket(Penguin penguin, string packet)
{
switch (packet)
{
case "<policy-file-request/>":
await HandlePolicy(penguin);
return;
case "<msg t='sys'><body action='verChk' r='0'><ver v='153' /></body></msg>":
await HandleVersionCheck(penguin);
return;
case "<msg t='sys'><body action='rndK' r='-1'></body></msg>":
await HandleRandomKey(penguin);
return;
}
if (packet.Substring(0, 40) == "<msg t='sys'><body action='login' r='0'>")
{
await HandleLogin(penguin, packet);
}
}
protected virtual async void StreamSocketListener_ConnectionReceived(StreamSocketListener sender, StreamSocketListenerConnectionReceivedEventArgs args)
{
Debug.WriteLine("Accepting penguin");
Penguin penguin = new Penguin(this, args.Socket);
await MServer.LogMessage("INFO", server_name, "Accepting new penguin");
await AddPenguin(penguin);
using (var stream = args.Socket.InputStream.AsStreamForRead())
{
while (penguins.ContainsKey(args.Socket))
{
byte[] data = new byte[256];
int numBytesRead = await stream.ReadAsync(data, 0, data.Length);
if (numBytesRead == 0)
{
await RemovePenguin(penguin);
return;
}
String message = Encoding.UTF8.GetString(data).Substring(0, numBytesRead);
Stack <string> packets = new Stack <string>(message.Split('\0'));
packets.Pop();
foreach (string packet in packets)
{
Debug.WriteLine("[RECV] " + packet);
await HandlePacket(penguin, packet);
}
}
}
}
private async Task AddPenguin(Penguin penguin)
{
await Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() =>
{
penguins.Add(penguin.socket, penguin);
MServer.penguins.Add(penguin);
latestPackets[penguin] = new Dictionary <string, string>();
});
}
private async Task HandlePolicy(Penguin penguin)
{
if (penguin.LoginStep == null)
{
await penguin.Send("<cross-domain-policy><allow-access-from domain='*' to-ports='*' /></cross-domain-policy>");
return;
}
await RemovePenguin(penguin);
}
private async Task HandleRandomKey(Penguin penguin)
{
if (penguin.LoginStep == "Versioncheck")
{
penguin.Randkey = "e4a2dbcca10a7246817a83cdmCPPS";
await penguin.Send("<msg t='sys'><body action='rndK' r='-1'><k>" + penguin.Randkey + "</k></body></msg>");
penguin.LoginStep = "Randkey";
return;
}
await RemovePenguin(penguin);
}
protected override async Task RemovePenguin(Penguin penguin)
{
if (penguins.ContainsKey(penguin.socket))
{
await MServer.LogMessage("INFO", server_name, "Removing penguin");
await Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() =>
{
Debug.WriteLine("Removing penguin");
penguins.Remove(penguin.socket);
MServer.penguins.Remove(penguin);
latestPackets.Remove(penguin);
});
}
}
protected override async Task HandleLogin(Penguin penguin, string packet)
{
if (penguin.LoginStep != "Randkey")
{
await RemovePenguin(penguin);
return;
}
XmlDocument login_xml = new XmlDocument();
login_xml.LoadXml(packet);
string username, password, dbpassword, dbpassword_encrypted;
username = login_xml.GetElementsByTagName("nick")[0].InnerText;
password = login_xml.GetElementsByTagName("pword")[0].InnerText;
if (!await Database.UsernameExists(username))
{
// await penguin.Send("%xt%e%-1%100%");
// await RemovePenguin(penguin);
await penguin.Send("%xt%gs%-1%65.184.60.189:6113:mCPPS:4%");
await penguin.Send("%xt%l%-1%1%97debb64dcb0b0f1598f605318bc28fc%0%");
return;
}
Crypt2 crypt = new Crypt2();
dbpassword = (string)await Database.GetColumnFromUsername(username, "Password");
dbpassword_encrypted = GetAuthenticationHash(dbpassword, penguin.Randkey);
if (!crypt.BCryptVerify(password, dbpassword))
{
await penguin.Send("%xt%e%-1%101%");
return;
}
}
private async Task HandlePacket(Penguin penguin, string packet)
{
await MServer.LogMessage("INFO", server_name, "Received: " + packet);
string start = packet.Substring(0, 1);
switch (start)
{
case "<":
await StoreXmlPacket(penguin, packet);
break;
case "%":
// await StorePlayPacket(penguin, packet);
break;
}
return;
}
protected override async Task HandleLogin(Penguin penguin, string packet)
{
await Task.CompletedTask;
}
abstract protected Task RemovePenguin(Penguin penguin);
protected virtual async Task HandleLogin(Penguin penguin, string packet)
{
await Task.CompletedTask;
}
private async Task HandleVersionCheck(Penguin penguin)
{
await penguin.Send("<msg t='sys'><body action='apiOK' r='0'></body></msg>");
penguin.LoginStep = "Versioncheck";
}
private async Task StoreXmlPacket(Penguin penguin, string packet)
{
latestPackets[penguin]["<"] = packet;
await Task.CompletedTask;
}
