public override int Process(AsyncUser user, byte[] buffer, int size)
{
int r = defaultMessage;
for (int i = 0; i < defaultMessage; i++)
{
if (Utils.StartsWith(buffer, size, _data[i]))
{
r = i;
break;
}
}
byte[] http = r switch
{
0 => GetHttpHtml(opcode200, _message[0]),
1 => GetHttpText(opcode200, _message[1]),
2 => GetHttpText(opcode200, _message[2]),
_ => GetHttpHtml(opcode404, _message[defaultMessage])
};
Write(user, http, 0, http.Length);
return(1);
}
}
private void ProcessSend(SocketAsyncEventArgs args)
{
if (args.SocketError == SocketError.Success)
{
int bytesTransferred = args.BytesTransferred;
if (bytesTransferred != args.Count)
{
throw new NotImplementedException();
}
AsyncUser user = (AsyncUser)args.UserToken;
#if VERBOSE
Debug.WriteIf(_minimumBufferSize == 0 && args.Buffer[args.Count - 1] == 10, DateTime.Now.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture) + " [Server" + user.Id + "] " + Encoding.ASCII.GetString(args.Buffer, 0, args.Count));
Debug.WriteLineIf(_minimumBufferSize == 0 && args.Buffer[args.Count - 1] != 10, DateTime.Now.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture) + " [Server" + user.Id + "] " + Encoding.ASCII.GetString(args.Buffer, 0, args.Count));
Debug.WriteLineIf(_minimumBufferSize > 0, DateTime.Now.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture) + " [Server" + user.Id + "] " + Utils.GetHex(args.Buffer, args.Count));
#endif
ReturnArgs(user, args);
}
else
{
#if VERBOSE
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture) + " ProcessSend() -> CloseArgs(" + ((AsyncUser)args.UserToken).Id + ")");
#endif
CloseArgs(args);
}
}
public override int Process(AsyncUser user, byte[] buffer, int size)
{
Contract.Requires(user != null);
IrcService.Enqueue(user.Id, buffer, size);
return(1);
}
public override AsyncUser CreateUser(Socket sock)
{
AsyncUser user = new AsyncUser();
user.InitializeUser(sock);
return(user);
}
private void ProcessAccept(SocketAsyncEventArgs acceptArgs)
{
if (acceptArgs.SocketError == SocketError.Success)
{
Socket sock = acceptArgs.AcceptSocket;
Contract.Requires(sock != null);
acceptArgs.AcceptSocket = null;
//----------------------------------------------------------
//sock.NoDelay = true;
sock.ReceiveBufferSize = _maximumBufferSize;
sock.SendBufferSize = _maximumBufferSize;
sock.ReceiveTimeout = 120_000; // ms
sock.SendTimeout = 120_000; // ms
//----------------------------------------------------------
AsyncUser user = CreateUser(sock);
GetArgs(user, out SocketAsyncEventArgs receiveArgs);
try
{
Handshake(user);
}
catch (Exception)
{
#if VERBOSE
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture) + " ProcessAccept() -> CloseArgs(" + user.Id + ")");
#endif
CloseArgs(receiveArgs);
goto returnArgs;
}
receiveArgs.SetBuffer(0, _maximumBufferSize);
TryReceive(receiveArgs);
}
else
{
#if VERBOSE
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture) + " ProcessAccept() -> TryCloseAndContinueAccepting()");
#endif
}
returnArgs:
TryCloseAndContinueAccepting(acceptArgs);
}
private void ReturnArgs(AsyncUser user, SocketAsyncEventArgs args)
{
user.ActiveArgs--;
Contract.Assert(args.UserToken == user);
args.UserToken = null;
_args.Enqueue(args);
}
public override int Process(AsyncUser user, byte[] buffer, int size)
{
if (Utils.StartsWith(buffer, size, _data[0]) && Utils.EndsWith(buffer, size, _data[1]))
{
Write(user, _data[2], 0, _data[2].Length);
}
else
{
Write(user, _data[3], 0, _data[3].Length);
}
return(1);
}
private void GetArgs(AsyncUser user, out SocketAsyncEventArgs args)
{
while (!_args.TryDequeue(out args))
{
CreateArgs(_numConnections >> 2);
}
Contract.Assert(args.UserToken == null);
args.UserToken = user;
user.ActiveArgs++;
}
private void CloseArgs(SocketAsyncEventArgs args)
{
AsyncUser user = (AsyncUser)args.UserToken;
ReturnArgs(user, args);
if (Interlocked.Exchange(ref user.Closing, 1) < 1)
{
BeginCloseUser(user);
Contract.Assert(user.Socket != null);
user.EndCloseUser();
}
}
public override int Process(AsyncUser user, byte[] buffer, int size)
{
if (Utils.EqualsTo(buffer, size, _data[0]))
{
Write(user, _data[1], 0, _data[1].Length);
return(1);
}
if (Utils.EqualsTo(buffer, size, _data[2]))
{
Write(user, _data[3], 0, _data[3].Length);
return(1);
}
return(0);
}
private void TrySend(SocketAsyncEventArgs args)
{
AsyncUser user = (AsyncUser)args.UserToken;
try
{
if (!user.Socket.SendAsync(args))
{
ProcessSend(args);
}
}
catch (Exception)
{
#if VERBOSE
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture) + " TrySend() -> CloseArgs(" + user.Id + ")");
#endif
CloseArgs(args);
}
}
public void Write(AsyncUser user, byte[] buffer, int offset, int size)
{
Contract.Assert(size >= _minimumBufferSize && size <= _maximumBufferSize);
GetArgs(user, out SocketAsyncEventArgs args);
if (user.ActiveArgs < _numConnections >> 3)
{
Buffer.BlockCopy(buffer, offset, args.Buffer, 0, size);
args.SetBuffer(0, size);
TrySend(args);
return;
}
#if VERBOSE
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture) + " Write() -> CloseArgs(" + user.Id + ")");
#endif
CloseArgs(args);
}
public override int Process(AsyncUser user, byte[] buffer, int size)
{
Dictionary <string, string> d = new Dictionary <string, string>();
Utils.GetArguments(buffer, size, ref d);
/*
* \gamename\sfc2op\gamever\1.6\location\0\validate\Dvz0jxQz\final\
* \gamename\sfc2op\gamever\1.6\location\0\validate\Dvz0jxQz\final\\queryid\1.1\
* \gamename\sfc2op\gamever\1.6\location\0\validate\Dvz0jxQz\final\\queryid\1.1\\list\cmp\gamename\sfc2op\final\
*/
if (d.ContainsKey("gamename"))
{
if (d.ContainsKey("list"))
{
using MemoryStream m = new MemoryStream();
GsService.ListServers(m);
m.Write(_data[0], 0, _data[0].Length);
// sends the list
m.SetLength(m.Position);
byte[] b = m.ToArray();
Write(user, b, 0, b.Length);
}
return(1);
}
return(0);
}
public override int Process(AsyncUser user, byte[] buffer, int size)
{
// \valid\\email\[email protected]\final\
Dictionary <string, string> d = new Dictionary <string, string>();
Utils.GetArguments(buffer, size, ref d);
if (d.ContainsKey("valid") && d.ContainsKey("email"))
{
if (GsService.ContainsEmail(d["email"]))
{
Write(user, _data[1], 0, _data[1].Length);
}
else
{
Write(user, _data[2], 0, _data[2].Length);
}
return(1);
}
return(0);
}
public override void Handshake(AsyncUser user)
{
}
public abstract void BeginCloseUser(AsyncUser user);
public override void BeginCloseUser(AsyncUser user)
{
}
public override int Process(AsyncUser user, byte[] buffer, int size)
{
_gameServer.EnqueueMessage((Client27000)user, buffer, size);
return(1);
}
public override void BeginCloseUser(AsyncUser user)
{
_gameServer.RemoveClient(user.Id);
}
public abstract void Handshake(AsyncUser user);
public override void BeginCloseUser(AsyncUser user)
{
IrcService.TryQuitClient((IrcClient)user);
}
public override int Process(AsyncUser user, byte[] buffer, int size)
{
Contract.Requires(user != null);
Dictionary <string, string> d = new Dictionary <string, string>();
Utils.GetArguments(buffer, size, ref d);
// \newuser\\email\[email protected]\nick\JohnDoe2\password\sfcrulz\id\1\final\
if (d.ContainsKey("newuser") && d.ContainsKey("email") && d.ContainsKey("nick") && d.ContainsKey("password"))
{
if (GsService.ContainsEmail(d["email"]))
{
Write(user, _data[2], 0, _data[2].Length);
}
else if (GsService.ContainsNick(d["nick"]))
{
Write(user, _data[3], 0, _data[3].Length);
}
else
{
GsService.AddProfile(d["email"], d["nick"], d["password"], out GsProfile profile);
// \nur\\userid\12617\profileid\19465\id\1\final\
StringBuilder s = new StringBuilder(1024);
s.Append("\\nur\\\\userid\\");
s.Append(profile.Id);
s.Append("\\profileid\\");
s.Append(profile.Id);
s.Append("\\id\\1\\final\\");
byte[] b = Encoding.ASCII.GetBytes(s.ToString());
Write(user, b, 0, b.Length);
}
return(1);
}
/*
* \login\\challenge\IoWIbSnjMf2pv9iUioRgF9ySYLV2r72p\user\JohnDoe2@[email protected]\userid\12617\profileid\19465\response\08eeb76f1241ac0777a18aac726c03d1\firewall\1\port\0\id\1\final\
* \login\\challenge\PKPNiLeCH1D71pCwSndbT36zrkQLaG2w\user\JohnDoe2@[email protected]\response\a7d6e62a66f96565966f96ab475a44cf\firewall\1\port\0\id\1\final\
*/
if (d.ContainsKey("login") && d.ContainsKey("challenge") && d.ContainsKey("user") && d.ContainsKey("response"))
{
GsService.GetProfile(d["user"], out GsProfile profile);
if (profile != null)
{
using MD5 md5 = MD5.Create();
string password = GetHash(md5, profile.Password);
string userData = password + " " + profile.Username;
string clientChallenge = d["challenge"];
string clientResponse = GetHash(md5, userData + clientChallenge + _serverChallenge + password);
string serviceResponse = GetHash(md5, userData + _serverChallenge + clientChallenge + password);
if (clientResponse.Equals(d["response"], StringComparison.Ordinal))
{
// \lc\2\sesskey\239289\proof\8f1295968d534a3c6816d24dc172d92e\userid\12617\profileid\19465\uniquenick\JohnDoe2@[email protected]\lt\x4TGX3[SbkAk]NIJt3Hc4N__\id\1\final\
StringBuilder s = new StringBuilder(1024);
s.Append("\\lc\\2\\sesskey\\");
s.Append(user.Id);
s.Append("\\proof\\");
s.Append(serviceResponse);
s.Append("\\userid\\");
s.Append(profile.Id);
s.Append("\\profileid\\");
s.Append(profile.Id);
s.Append("\\uniquenick\\");
s.Append(profile.Username);
s.Append("\\lt\\x4TGX3[SbkAk]NIJt3Hc4N__\\id\\1\\final\\");
byte[] b = Encoding.ASCII.GetBytes(s.ToString());
Write(user, b, 0, b.Length);
if (d.ContainsKey("userid") && d.ContainsKey("profileid"))
{
return(1);
}
else
{
return(0);
}
}
}
Write(user, _data[4], 0, _data[4].Length);
return(1);
}
// \logout\\sesskey\239288\final\
if (d.ContainsKey("logout"))
{
return(1);
}
return(0);
}
public override void Handshake(AsyncUser user)
{
Write(user, _data[1], 0, _data[1].Length);
}
public abstract int Process(AsyncUser user, byte[] buffer, int size);
private void ProcessReceive(SocketAsyncEventArgs args)
{
if (args.SocketError == SocketError.Success)
{
int bytesTransferred = args.BytesTransferred;
if (bytesTransferred > 0)
{
int bytesAccumulated = args.Offset + bytesTransferred;
AsyncUser user = (AsyncUser)args.UserToken;
while (true)
{
int bytesExpected = GetSize(args.Buffer, bytesAccumulated);
if (bytesExpected < _minimumBufferSize || bytesExpected > _maximumBufferSize)
{
break;
}
if (bytesAccumulated < bytesExpected)
{
args.SetBuffer(bytesAccumulated, _maximumBufferSize - bytesAccumulated);
TryReceive(args);
return;
}
#if VERBOSE
Debug.WriteIf(_minimumBufferSize == 0 && args.Buffer[bytesExpected - 1] == 10, DateTime.Now.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture) + " [Client" + user.Id + "] " + Encoding.ASCII.GetString(args.Buffer, 0, bytesExpected));
Debug.WriteLineIf(_minimumBufferSize == 0 && args.Buffer[bytesExpected - 1] != 10, DateTime.Now.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture) + " [Client" + user.Id + "] " + Encoding.ASCII.GetString(args.Buffer, 0, bytesExpected));
Debug.WriteLineIf(_minimumBufferSize > 0, DateTime.Now.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture) + " [Client" + user.Id + "] " + Utils.GetHex(args.Buffer, bytesExpected));
#endif
if (Process(user, args.Buffer, bytesExpected) == 0)
{
break;
}
if (bytesAccumulated > bytesExpected)
{
bytesAccumulated -= bytesExpected;
Buffer.BlockCopy(args.Buffer, bytesExpected, args.Buffer, 0, bytesAccumulated);
continue;
}
Contract.Assert(bytesAccumulated == bytesExpected);
args.SetBuffer(0, _maximumBufferSize);
TryReceive(args);
return;
}
}
}
#if VERBOSE
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture) + " ProcessReceive() -> CloseArgs(" + ((AsyncUser)args.UserToken).Id + ")");
#endif
CloseArgs(args);
}
