public Package PlayerJoin(McpeLogin package, Player player)
{
if (!_notdefaultlevel)
{
player.Level.BlockBreak += OnBreak;
player.Level.BlockPlace += OnPlace;
_notdefaultlevel = true;
}
if (!(_registerlist.Contains(player.User)))
{
player.AddPopup(new Popup()
{
Message = "Используй /reg [пароль] для регистрации",
MessageType = MessageType.Popup
});
}
else
{
player.User = _registerlist.Find(t => t.UserName == player.Username);
if (!player.User.IsAuthenticated)
player.AddPopup(new Popup()
{
Message = "Используй /auth [пароль] чтобы войти",
MessageType = MessageType.Popup
});
}
return package;
}
public virtual void HandleMcpeLogin(McpeLogin message)
{
// Only one login!
lock (_loginSyncLock)
{
if (_session.Username != null)
{
Log.Info($"Player {_session.Username} doing multiple logins");
return; // Already doing login
}
_session.Username = string.Empty;
}
_playerInfo.ProtocolVersion = message.protocolVersion;
if (MiNetServer.IsRunningOnMono())
{
DecodeCertMono(message);
}
else
{
DecodeCert(message);
}
}
public void TestUuid()
{
var rfc4122Bytes = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf };
UUID uuid = new UUID(rfc4122Bytes);
Assert.AreEqual(rfc4122Bytes, uuid.GetBytes());
Skin skin = new Skin {
Slim = false, Texture = Encoding.Default.GetBytes(new string('Z', 8192))
};
var packet = McpeLogin.CreateObject();
packet.username = "******";
packet.protocol = 34;
packet.protocol2 = 34;
packet.clientId = new Random().Next();
packet.clientUuid = new UUID(Guid.NewGuid().ToByteArray());
packet.serverAddress = "83.249.65.92:19132";
packet.clientSecret = "iwmvi45hm85oncyo58";
packet.skin = skin;
var bytes = packet.Encode();
Console.WriteLine(Package.HexDump(bytes, 16));
UUID uuid2 = new UUID(rfc4122Bytes);
Dictionary <UUID, string> uuiDictionary = new Dictionary <UUID, string>();
uuiDictionary.Add(uuid, "test");
Assert.AreEqual("test", uuiDictionary[uuid2]);
}
public void SendLogin(string username)
{
Skin skin = new Skin {
Slim = false, Texture = Encoding.Default.GetBytes(new string('Z', 8192))
};
skin.SkinType = "Standard_Custom";
//Skin skin = new Skin { Slim = false, Texture = Encoding.Default.GetBytes(new string('Z', 16384)) };
var packet = new McpeLogin()
{
username = username,
protocol = 38,
protocol2 = 38,
clientId = ClientId,
clientUuid = new UUID(Guid.NewGuid().ToByteArray()),
serverAddress = _serverEndpoint.Address + ":" + _serverEndpoint.Port,
clientSecret = "iwmvi45hm85oncyo58",
//clientSecret = Encoding.ASCII.GetString(MD5.Create().ComputeHash(Encoding.UTF8.GetBytes("" + ClientId + _serverEndpoint.Address + _serverEndpoint.Port))),
skin = skin,
};
byte[] buffer = Player.CompressBytes(packet.Encode(), CompressionLevel.Fastest, true);
McpeBatch batch = new McpeBatch();
batch.payloadSize = buffer.Length;
batch.payload = buffer;
batch.Encode();
SendPackage(batch);
LoginSent = true;
}
public void TestUuid()
{
var rfc4122Bytes = new byte[] {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf};
UUID uuid = new UUID(rfc4122Bytes);
Assert.AreEqual(rfc4122Bytes, uuid.GetBytes());
Skin skin = new Skin {Slim = false, Texture = Encoding.Default.GetBytes(new string('Z', 8192))};
var packet = new McpeLogin()
{
username = "******",
protocol = 34,
protocol2 = 34,
clientId = new Random().Next(),
clientUuid = new UUID(Guid.NewGuid().ToByteArray()),
serverAddress = "83.249.65.92:19132",
clientSecret = "iwmvi45hm85oncyo58",
skin = skin,
};
var bytes = packet.Encode();
Console.WriteLine(Package.HexDump(bytes, 16));
UUID uuid2 = new UUID(rfc4122Bytes);
Dictionary<UUID, string> uuiDictionary = new Dictionary<UUID, string>();
uuiDictionary.Add(uuid, "test");
Assert.AreEqual("test", uuiDictionary[uuid2]);
}
public virtual void HandleMcpeLogin(McpeLogin message)
{
// Only one login!
lock (_loginSyncLock)
{
if (_session.Username != null)
{
Log.Info($"Player {_session.Username} doing multiple logins");
return; // Already doing login
}
_session.Username = string.Empty;
}
if (message.protocolVersion < 111)
{
Log.Warn($"Wrong version ({message.protocolVersion}) of Minecraft Pocket Edition, client need an upgrade.");
_session.Disconnect($"Wrong version ({message.protocolVersion}) of Minecraft Pocket Edition, please upgrade.");
return;
}
DecodeCert(message);
_playerInfo.Edition = message.edition;
////string fileName = Path.GetTempPath() + "Skin_" + Skin.SkinType + ".png";
////Log.Info($"Writing skin to filename: {fileName}");
////Skin.SaveTextureToFile(fileName, Skin.Texture);
}
public void TestUuid()
{
var rfc4122Bytes = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf };
UUID uuid = new UUID(rfc4122Bytes);
Assert.AreEqual(rfc4122Bytes, uuid.GetBytes());
Skin skin = new Skin {
Slim = false, Texture = Encoding.Default.GetBytes(new string('Z', 8192))
};
var packet = new McpeLogin()
{
username = "******",
protocol = 34,
protocol2 = 34,
clientId = new Random().Next(),
clientUuid = new UUID(),
serverAddress = "83.249.65.92:19132",
clientSecret = "iwmvi45hm85oncyo58",
skin = skin,
};
var bytes = packet.Encode();
Console.WriteLine(Package.HexDump(bytes, 16));
}
public virtual void HandleMcpeLogin(McpeLogin message)
{
//Disconnect("Este servidor ya no existe. Por favor, conecta a " + ChatColors.Aqua + "play.bladestorm.net" + ChatColors.White + " para seguir jugando.");
////Disconnect("This server is closed. Please connect to " + ChatColors.Aqua + "play.bladestorm.net" + ChatColors.White + " to continue playing.");
//return;
// Only one login!
lock (_loginSyncLock)
{
if (_session.Username != null)
{
Log.Info($"Player {_session.Username} doing multiple logins");
return; // Already doing login
}
_session.Username = string.Empty;
}
if (message.protocolVersion < 111)
{
Log.Warn($"Wrong version ({message.protocolVersion}) of Minecraft Pocket Edition, client need an upgrade.");
_session.Disconnect($"Wrong version ({message.protocolVersion}) of Minecraft Pocket Edition, please upgrade.");
return;
}
// THIS counter exist to protect the level from being swamped with player list add
// attempts during startup (normally).
DecodeCert(message);
_playerInfo.Edition = message.edition;
//if (!message.username.Equals("gurun") && !message.username.Equals("TruDan") && !message.username.Equals("Morehs"))
//{
// if (serverInfo.NumberOfPlayers > serverInfo.MaxNumberOfPlayers)
// {
// Disconnect("Too many players (" + serverInfo.NumberOfPlayers + ") at this time, please try again.");
// return;
// }
// // Use for loadbalance only right now.
// if (serverInfo.ConnectionsInConnectPhase > serverInfo.MaxNumberOfConcurrentConnects)
// {
// Disconnect("Too many concurrent logins (" + serverInfo.ConnectionsInConnectPhase + "), please try again.");
// return;
// }
//}
//if (message.username == null || message.username.Trim().Length == 0 || !Regex.IsMatch(message.username, "^[A-Za-z0-9_-]{3,56}$"))
//{
// Disconnect("Invalid username.");
// return;
//}
////string fileName = Path.GetTempPath() + "Skin_" + Skin.SkinType + ".png";
////Log.Info($"Writing skin to filename: {fileName}");
////Skin.SaveTextureToFile(fileName, Skin.Texture);
}
public Package HandleJoin(McpeLogin packet, Player player)
{
player.SpawnPosition = new PlayerLocation(spawnPos);
player.HealthManager = new PlayerHealthManager(player, this);
// show a little welcome message
player.AddPopup(new Popup()
{
MessageType = MessageType.Tip,
Message = "§aWelcome on MiniPE!",
Duration = 30
});
return(packet);
}
public void onBan(McpeLogin package, Player player)
{
string sql = string.Format("SELECT admin, reason, time FROM banip WHERE player='{0}' OR ip='{1}' OR clientid='{2}';", player.Username.ToLower(), player.EndPoint.Address, GenerateMD5Hash(player.ClientUuid.ToString()));
List <object[]> rows = Database.ExecuteQuery(sql);
if (rows == null || !rows.Any())
{
return;
}
if (rows[0][0].ToString() != null)
{
//Log.Info (rows);
int time = Convert.ToInt32(rows[0][2].ToString()) / 86400;
player.Disconnect(string.Format(LangManager.getLang(Pool.getPlayer(player).lang).getString("authme.ban.message.banned"), rows[0][0].ToString(), time, rows[0][1].ToString()), true);
}
}
public Package McpeLogin(McpeLogin packet, Player player)
{
if (PlayersKitActivated.Contains(player.Username))
{
PlayersKitActivated.Remove(player.Username);
}
player.SendMessage(string.Format(ChatColors.Yellow + "Welcome " + player.Username), type: MessageType.Chat);
player.AddPopup(new Popup()
{
Message = $"{ChatColors.Gold}Fury Is Godly At C# ~ USER: " + player.Username,
Duration = 99999999,
Priority = 1000
});
return(packet);
}
public Package PlayerJoinPacket(McpeLogin login, Player player)
{
if (!MiNETEssentials.playerConfig.ContainsKey(login.username))
{
JObject obj = new JObject();
obj["username"] = login.username;
obj["lastjoin"] = DateTime.Now.ToShortDateString() + " " + DateTime.Now.ToShortTimeString();
MiNETEssentials.playerConfig.Add(login.username, obj);
MiNETEssentials.SavePlayerConfig();
MiNETEssentials.Log.Info(login.username + " has joined for the first time!");
}
else
MiNETEssentials.Log.Info(login.username + " has joined! Last joined: " + (string)MiNETEssentials.playerConfig[login.username]["lastjoin"]);
return login;
}
public void SendLogin(string username)
{
Skin skin = new Skin {
Slim = false, Texture = Encoding.Default.GetBytes(new string('Z', 8192))
};
var packet = new McpeLogin()
{
clientId = 12345,
username = username,
protocol = 27,
skin = skin
};
McpeBatch batch = new McpeBatch();
byte[] buffer = CompressBytes(packet.Encode());
batch.payloadSize = buffer.Length;
batch.payload = buffer;
SendPackage(batch);
}
public virtual void HandleMcpeLogin(McpeLogin message)
{
// Only one login!
lock (_loginSyncLock)
{
if (_session.Username != null)
{
Log.Info($"Player {_session.Username} doing multiple logins");
return; // Already doing login
}
_session.Username = string.Empty;
}
_playerInfo.ProtocolVersion = message.protocolVersion;
//_playerInfo.Edition = message.;
DecodeCert(message);
////string fileName = Path.GetTempPath() + "Skin_" + Skin.SkinType + ".png";
////Log.Info($"Writing skin to filename: {fileName}");
////Skin.SaveTextureToFile(fileName, Skin.Texture);
}
protected void DecodeCert(McpeLogin message)
{
byte[] buffer = message.payload;
if (message.payload.Length != buffer.Length)
{
Log.Debug($"Wrong lenght {message.payload.Length} != {message.payload.Length}");
throw new Exception($"Wrong lenght {message.payload.Length} != {message.payload.Length}");
}
if (Log.IsDebugEnabled)
{
Log.Debug("Lenght: " + message.payload.Length + ", Message: " + Convert.ToBase64String(buffer));
}
string certificateChain;
string skinData;
try
{
var destination = new MemoryStream(buffer);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, false);
var countCertData = reader.ReadInt32();
certificateChain = Encoding.UTF8.GetString(reader.ReadBytes(countCertData));
if (Log.IsDebugEnabled)
{
Log.Debug($"Certificate Chain (Lenght={countCertData})\n{certificateChain}");
}
var countSkinData = reader.ReadInt32();
skinData = Encoding.UTF8.GetString(reader.ReadBytes(countSkinData));
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin data (Lenght={countSkinData})\n{skinData}");
}
}
catch (Exception e)
{
Log.Error("Parsing login", e);
return;
}
try
{
{
IDictionary <string, dynamic> headers = JWT.Headers(skinData);
dynamic payload = JObject.Parse(JWT.Payload(skinData));
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin JWT Header: {string.Join(";", headers)}");
}
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin JWT Payload:\n{payload.ToString()}");
}
try
{
_playerInfo.ClientId = payload.ClientRandomId;
_playerInfo.CurrentInputMode = payload.CurrentInputMode;
_playerInfo.DefaultInputMode = payload.DefaultInputMode;
_playerInfo.DeviceModel = payload.DeviceModel;
_playerInfo.DeviceOS = payload.DeviceOS;
_playerInfo.GameVersion = payload.GameVersion;
_playerInfo.GuiScale = payload.GuiScale;
_playerInfo.LanguageCode = payload.LanguageCode;
_playerInfo.ServerAddress = payload.ServerAddress;
_playerInfo.UIProfile = payload.UIProfile;
_playerInfo.Skin = new Skin()
{
CapeData = Convert.FromBase64String((string)payload.CapeData),
SkinId = payload.SkinId,
SkinData = Convert.FromBase64String((string)payload.SkinData),
SkinGeometryName = payload.SkinGeometryName,
SkinGeometry = Convert.FromBase64String((string)payload.SkinGeometry),
};
Log.Warn($"Cape data lenght={_playerInfo.Skin.CapeData.Length}");
}
catch (Exception e)
{
Log.Error("Parsing skin data", e);
}
}
{
dynamic json = JObject.Parse(certificateChain);
if (Log.IsDebugEnabled)
{
Log.Debug($"Certificate JSON:\n{json}");
}
JArray chain = json.chain;
//var chainArray = chain.ToArray();
string validationKey = null;
string identityPublicKey = null;
foreach (JToken token in chain)
{
IDictionary <string, dynamic> headers = JWT.Headers(token.ToString());
if (Log.IsDebugEnabled)
{
Log.Debug("Raw chain element:\n" + token.ToString());
Log.Debug($"JWT Header: {string.Join(";", headers)}");
dynamic jsonPayload = JObject.Parse(JWT.Payload(token.ToString()));
Log.Debug($"JWT Payload:\n{jsonPayload}");
}
// Mojang root x5u cert (string): MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE8ELkixyLcwlZryUQcu1TvPOmI2B7vX83ndnWRUaXm74wFfa5f/lwQNTfrLVHa2PmenpGI6JhIMUJaWZrjmMj90NoKNFSNBuKdm8rYiXsfaz3K36x/1U26HpG0ZxK/V1V
if (!headers.ContainsKey("x5u"))
{
continue;
}
string x5u = headers["x5u"];
if (identityPublicKey == null)
{
if (CertificateData.MojangRootKey.Equals(x5u, StringComparison.InvariantCultureIgnoreCase))
{
Log.Debug("Key is ok, and got Mojang root");
}
else if (chain.Count > 1)
{
Log.Debug("Got client cert (client root)");
continue;
}
else if (chain.Count == 1)
{
Log.Debug("Selfsigned chain");
}
}
else if (identityPublicKey.Equals(x5u))
{
Log.Debug("Derived Key is ok");
}
if (Log.IsDebugEnabled)
{
Log.Debug($"x5u cert (string): {x5u}");
ECDiffieHellmanPublicKey publicKey = CryptoUtils.CreateEcDiffieHellmanPublicKey(x5u);
Log.Debug($"Cert:\n{publicKey.ToXmlString()}");
}
// Validate
CngKey newKey = CryptoUtils.ImportECDsaCngKeyFromString(x5u);
CertificateData data = JWT.Decode <CertificateData>(token.ToString(), newKey);
if (data != null)
{
identityPublicKey = data.IdentityPublicKey;
if (Log.IsDebugEnabled)
{
Log.Debug("Decoded token success");
}
if (CertificateData.MojangRootKey.Equals(x5u, StringComparison.InvariantCultureIgnoreCase))
{
Log.Debug("Got Mojang key. Is valid = " + data.CertificateAuthority);
validationKey = data.IdentityPublicKey;
}
else if (validationKey != null && validationKey.Equals(x5u, StringComparison.InvariantCultureIgnoreCase))
{
_playerInfo.CertificateData = data;
}
else
{
if (data.ExtraData == null)
{
continue;
}
// Self signed, make sure they don't fake XUID
if (data.ExtraData.Xuid != null)
{
Log.Warn("Received fake XUID from " + data.ExtraData.DisplayName);
data.ExtraData.Xuid = null;
}
_playerInfo.CertificateData = data;
}
}
else
{
Log.Error("Not a valid Identity Public Key for decoding");
}
}
//TODO: Implement disconnect here
{
_playerInfo.Username = _playerInfo.CertificateData.ExtraData.DisplayName;
_session.Username = _playerInfo.Username;
string identity = _playerInfo.CertificateData.ExtraData.Identity;
if (Log.IsDebugEnabled)
{
Log.Debug($"Connecting user {_playerInfo.Username} with identity={identity}");
}
_playerInfo.ClientUuid = new UUID(identity);
_session.CryptoContext = new CryptoContext
{
UseEncryption = Config.GetProperty("UseEncryptionForAll", false) || (Config.GetProperty("UseEncryption", true) && !string.IsNullOrWhiteSpace(_playerInfo.CertificateData.ExtraData.Xuid)),
};
if (_session.CryptoContext.UseEncryption)
{
ECDiffieHellmanPublicKey publicKey = CryptoUtils.CreateEcDiffieHellmanPublicKey(_playerInfo.CertificateData.IdentityPublicKey);
if (Log.IsDebugEnabled)
{
Log.Debug($"Cert:\n{publicKey.ToXmlString()}");
}
// Create shared shared secret
ECDiffieHellmanCng ecKey = new ECDiffieHellmanCng(384);
ecKey.HashAlgorithm = CngAlgorithm.Sha256;
ecKey.KeyDerivationFunction = ECDiffieHellmanKeyDerivationFunction.Hash;
ecKey.SecretPrepend = Encoding.UTF8.GetBytes("RANDOM SECRET"); // Server token
byte[] secret = ecKey.DeriveKeyMaterial(publicKey);
if (Log.IsDebugEnabled)
{
Log.Debug($"SECRET KEY (b64):\n{Convert.ToBase64String(secret)}");
}
{
RijndaelManaged rijAlg = new RijndaelManaged
{
BlockSize = 128,
Padding = PaddingMode.None,
Mode = CipherMode.CFB,
FeedbackSize = 8,
Key = secret,
IV = secret.Take(16).ToArray(),
};
// Create a decrytor to perform the stream transform.
ICryptoTransform decryptor = rijAlg.CreateDecryptor(rijAlg.Key, rijAlg.IV);
MemoryStream inputStream = new MemoryStream();
CryptoStream cryptoStreamIn = new CryptoStream(inputStream, decryptor, CryptoStreamMode.Read);
ICryptoTransform encryptor = rijAlg.CreateEncryptor(rijAlg.Key, rijAlg.IV);
MemoryStream outputStream = new MemoryStream();
CryptoStream cryptoStreamOut = new CryptoStream(outputStream, encryptor, CryptoStreamMode.Write);
_session.CryptoContext.Algorithm = rijAlg;
_session.CryptoContext.Decryptor = decryptor;
_session.CryptoContext.Encryptor = encryptor;
_session.CryptoContext.InputStream = inputStream;
_session.CryptoContext.OutputStream = outputStream;
_session.CryptoContext.CryptoStreamIn = cryptoStreamIn;
_session.CryptoContext.CryptoStreamOut = cryptoStreamOut;
}
//TODO: JSON now.
throw new Exception("JSON!!!");
//var response = McpeServerToClientHandshake.CreateObject();
// response.NoBatch = true;
// response.ForceClear = true;
//response.token =
// response.serverPublicKey = Convert.ToBase64String(ecKey.PublicKey.GetDerEncoded());
// response.tokenLength = (short) ecKey.SecretPrepend.Length;
// response.token = ecKey.SecretPrepend;
//_session.SendPackage(response);
if (Log.IsDebugEnabled)
{
Log.Warn($"Encryption enabled for {_session.Username}");
}
}
}
}
if (!_session.CryptoContext.UseEncryption)
{
_session.MessageHandler.HandleMcpeClientToServerHandshake(null);
}
}
catch (Exception e)
{
Log.Error("Decrypt", e);
}
}
protected virtual void HandleLogin(McpeLogin message)
{
Stopwatch watch = new Stopwatch();
watch.Restart();
// Only one login!
lock (_loginSyncLock)
{
if (Username != null)
{
Log.DebugFormat("Player {0} doing multiple logins on Level: {1}", Username, Level.LevelId);
return; // Already doing login
}
Username = message.username;
}
if (message.protocol != 27)
{
Disconnect("Outdated Minecraft Pocket Edition, please upgrade.");
return;
}
var serverInfo = Server.ServerInfo;
if (!message.username.Equals("gurun") && !message.username.Equals("TruDan"))
{
if (serverInfo.NumberOfPlayers > serverInfo.MaxNumberOfPlayers)
{
Disconnect("Too many players (" + serverInfo.NumberOfPlayers + ") at this time, please try again.");
return;
}
// Use for loadbalance only right now.
if (serverInfo.ConnectionsInConnectPhase > serverInfo.MaxNumberOfConcurrentConnects)
{
Disconnect("Too many concurrent logins (" + serverInfo.ConnectionsInConnectPhase + "), please try again.");
return;
}
}
if (message.username == null || message.username.Trim().Length == 0 || !Regex.IsMatch(message.username, "^[A-Za-z0-9_-]{3,16}$"))
{
Disconnect("Invalid username.");
return;
}
if (message.skin.Texture == null)
{
Disconnect("Invalid skin.");
return;
}
try
{
Interlocked.Increment(ref serverInfo.ConnectionsInConnectPhase);
SendPlayerStatus(0);
Username = message.username;
ClientId = message.clientId;
// Check if the user already exist, that case bumpt the old one
Level.RemoveDuplicatePlayers(Username, ClientId);
Level.EntityManager.AddEntity(null, this);
Session = Server.SessionManager.CreateSession(this);
if (Server.IsSecurityEnabled)
{
User = Server.UserManager.FindByName(Username);
}
Skin = message.skin;
// Start game
SendStartGame();
SendSetSpawnPosition();
SendSetTime();
SendSetDificulty();
SendAdventureSettings();
SendSetHealth();
SendSetEntityData();
Level.AddPlayer(this, string.Format("{0} joined the game!", Username), false);
LastUpdatedTime = DateTime.UtcNow;
SendPlayerInventory();
ThreadPool.QueueUserWorkItem(delegate(object state)
{
Level.SpawnToAll(this);
SendChunksForKnownPosition();
});
LastUpdatedTime = DateTime.UtcNow;
Log.InfoFormat("Login complete by: {0} from {2} in {1}ms", message.username, watch.ElapsedMilliseconds, EndPoint);
}
finally
{
Interlocked.Decrement(ref serverInfo.ConnectionsInConnectPhase);
}
}
public void SendLogin(string username)
{
Skin skin = new Skin {Slim = false, Texture = Encoding.Default.GetBytes(new string('Z', 8192))};
skin.SkinType = "Standard_Custom";
//Skin skin = new Skin { Slim = false, Texture = Encoding.Default.GetBytes(new string('Z', 16384)) };
var packet = new McpeLogin()
{
username = username,
protocol = 39,
protocol2 = 39,
clientId = ClientId,
clientUuid = new UUID(Guid.NewGuid().ToByteArray()),
serverAddress = _serverEndpoint.Address + ":" + _serverEndpoint.Port,
clientSecret = "iwmvi45hm85oncyo58",
//clientSecret = Encoding.ASCII.GetString(MD5.Create().ComputeHash(Encoding.UTF8.GetBytes("" + ClientId + _serverEndpoint.Address + _serverEndpoint.Port))),
skin = skin,
};
byte[] buffer = Player.CompressBytes(packet.Encode(), CompressionLevel.Fastest, true);
McpeBatch batch = new McpeBatch();
batch.payloadSize = buffer.Length;
batch.payload = buffer;
batch.Encode();
SendPackage(batch);
LoginSent = true;
}
protected virtual void HandleLogin(McpeLogin message)
{
//Disconnect("Este servidor ya no existe. Por favor, conecta a " + ChatColors.Aqua + "play.bladestorm.net" + ChatColors.White + " para seguir jugando.");
////Disconnect("This server is closed. Please connect to " + ChatColors.Aqua + "play.bladestorm.net" + ChatColors.White + " to continue playing.");
//return;
// Only one login!
lock (_loginSyncLock)
{
if (Username != null)
{
Log.InfoFormat("Player {0} doing multiple logins", Username);
return; // Already doing login
}
Username = message.username;
}
if (message.protocol < 43)
{
Server.GreylistManager.Greylist(EndPoint.Address, 30000);
Disconnect($"Wrong version ({message.protocol}) of Minecraft Pocket Edition, please upgrade.");
return;
}
//if (!message.username.Equals("gurun") && !message.username.Equals("TruDan") && !message.username.Equals("Morehs"))
//{
// if (serverInfo.NumberOfPlayers > serverInfo.MaxNumberOfPlayers)
// {
// Disconnect("Too many players (" + serverInfo.NumberOfPlayers + ") at this time, please try again.");
// return;
// }
// // Use for loadbalance only right now.
// if (serverInfo.ConnectionsInConnectPhase > serverInfo.MaxNumberOfConcurrentConnects)
// {
// Disconnect("Too many concurrent logins (" + serverInfo.ConnectionsInConnectPhase + "), please try again.");
// return;
// }
//}
if (message.username == null || message.username.Trim().Length == 0 || !Regex.IsMatch(message.username, "^[A-Za-z0-9_-]{3,16}$"))
{
Disconnect("Invalid username.");
return;
}
if (string.IsNullOrEmpty(message.skin.SkinType) || message.skin.Texture == null)
{
Disconnect("Invalid skin. Please upgrade your version of Minecraft Pocket Edition");
return;
}
SendPlayerStatus(0); // Hmm, login success?
Username = message.username;
ClientId = (int) message.clientId;
ClientUuid = message.clientUuid;
ClientSecret = message.clientSecret;
Skin = message.skin;
Log.Warn("ClientSecret: " + ClientSecret);
//string fileName = Path.GetTempPath() + "Skin_" + Skin.SkinType + ".png";
//Log.Info($"Writing skin to filename: {fileName}");
//Skin.SaveTextureToFile(fileName, Skin.Texture);
var serverInfo = Server.ServerInfo;
if (ClientSecret != null)
{
var count = serverInfo.PlayerSessions.Values.Count(session => session.Player != null && ClientSecret.Equals(session.Player.ClientSecret));
if (count != 1)
{
Disconnect($"Invalid skin {count}.");
return;
}
}
// THIS counter exist to protect the level from being swamped with player list add
// attempts during startup (normally).
Interlocked.Increment(ref serverInfo.ConnectionsInConnectPhase);
new Thread(Start).Start();
}
public override void HandleMcpeLogin(McpeLogin message)
{
base.HandleMcpeLogin(message);
}
/// <summary>
/// Handles the login.
/// </summary>
/// <param name="message">The message.</param>
/// <exception cref="System.Exception">
/// No username on login
/// or
/// No username on login
/// </exception>
protected virtual void HandleLogin(McpeLogin message)
{
if (Username != null) return; // Already doing login
Username = message.username;
ClientId = message.clientId;
User user = Server.UserManager.FindByName(Username);
if (user != null)
{
Session = Server.SessionManager.FindSession(EndPoint, ClientId, Username);
if (Session != null)
{
User = user;
}
}
Skin = message.skin;
//Skin = new Skin { Slim = false, Texture = Encoding.Default.GetBytes(new string('Z', 8192)) };
Log.WarnFormat("Login attempt by: {0}", Username);
if (Username.Trim().Length == 0)
{
SendPackage(new McpePlayerStatus {status = 2});
return;
}
// Check if the user already exist, that case bumpt the old one
Level.RemoveDuplicatePlayers(Username);
if (Username.StartsWith("Player")) IsBot = true; // HACK
if (Username.StartsWith("Wix")) return;
if (Username.StartsWith("Wiz")) return;
if (Username.StartsWith("Aga")) return;
// Start game
Level.EntityManager.AddEntity(null, this);
// We send a ping here to get an initial value for chunk-sending
_pingSendTime = DateTime.UtcNow.Ticks/TimeSpan.TicksPerMillisecond;
SendPackage(new ConnectedPing {sendpingtime = _pingSendTime});
SendPackage(new McpePlayerStatus {status = 0});
SendStartGame();
SendSetSpawnPosition();
SendSetTime();
SendPackage(new McpeSetDifficulty {difficulty = (int) Level.Difficulty});
SendPackage(new McpeAdventureSettings {flags = Level.IsSurvival ? 0x20 : 0x80});
//SendPackage(new McpeAdventureSettings { flags = Level.IsSurvival ? 0x80 : 0x80 });
SendSetHealth();
SendPackage(new McpeSetEntityData
{
entityId = EntityId,
metadata = GetMetadata()
});
Level.AddPlayer(this, string.Format("{0} joined the game!", Username));
SendPackage(new McpeContainerSetContent
{
windowId = 0,
slotData = Inventory.Slots,
hotbarData = Inventory.ItemHotbar
});
SendPackage(new McpeContainerSetContent
{
windowId = 0x78, // Armor windows ID
slotData = Inventory.Armor,
hotbarData = null
});
//SendPackage(new McpePlayerStatus {status = 3});
SendChunksForKnownPosition();
//IsSpawned = true;
LastUpdatedTime = DateTime.UtcNow;
}
protected void DecodeCert(McpeLogin message)
{
// Get bytes
byte[] buffer = message.payload;
//Log.Debug($"Unknown byte in login packet is: {message.unknown}");
if (message.payload.Length != buffer.Length)
{
Log.Debug($"Wrong lenght {message.payload.Length} != {message.payload.Length}");
throw new Exception($"Wrong lenght {message.payload.Length} != {message.payload.Length}");
}
// Decompress bytes
Log.Debug("Lenght: " + message.payload.Length + ", Message: " + Convert.ToBase64String(buffer));
//MemoryStream stream = new MemoryStream(buffer);
//if (stream.ReadByte() != 0x78)
//{
// throw new InvalidDataException("Incorrect ZLib header. Expected 0x78 0x9C");
//}
//stream.ReadByte();
string certificateChain;
string skinData;
//using (var defStream2 = new DeflateStream(stream, CompressionMode.Decompress, false))
{
// Get actual package out of bytes
//using (MemoryStream destination = MiNetServer.MemoryStreamManager.GetStream())
{
//defStream2.CopyTo(destination);
var destination = new MemoryStream(buffer);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, false);
try
{
var countCertData = reader.ReadInt32();
Log.Debug("Count cert: " + countCertData);
certificateChain = Encoding.UTF8.GetString(reader.ReadBytes(countCertData));
Log.Debug("Decompressed certificateChain " + certificateChain);
var countSkinData = reader.ReadInt32();
Log.Debug("Count skin: " + countSkinData);
skinData = Encoding.UTF8.GetString(reader.ReadBytes(countSkinData));
Log.Debug("Decompressed skinData" + skinData);
}
catch (Exception e)
{
Log.Error("Parsing login", e);
return;
}
}
}
try
{
{
if (Log.IsDebugEnabled)
{
Log.Debug("Input SKIN string: " + skinData);
}
IDictionary <string, dynamic> headers = JWT.Headers(skinData);
dynamic payload = JObject.Parse(JWT.Payload(skinData));
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin JWT Header: {string.Join(";", headers)}");
}
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin JWT Payload:\n{payload.ToString()}");
}
Console.WriteLine(payload);
// Skin JWT Payload:
//{
// "ClientRandomId": 1423700530444426768,
// "CurrentInputMode": 1,
// "DefaultInputMode": 1,
// "DeviceModel": "ASUSTeK COMPUTER INC. N550JK",
// "DeviceOS": 7,
// "GameVersion": "1.2.0",
// "GuiScale": 0,
// "LanguageCode": "en_US",
// "ServerAddress": "192.168.0.3:19132",
// "SkinData": "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",
// "SkinId": "Standard_Custom",
// "UIProfile": 0
//}
try
{
_playerInfo.ClientId = payload.ClientRandomId;
_playerInfo.CurrentInputMode = payload.CurrentInputMode;
_playerInfo.DefaultInputMode = payload.DefaultInputMode;
_playerInfo.DeviceModel = payload.DeviceModel;
_playerInfo.DeviceOS = payload.DeviceOS;
_playerInfo.GameVersion = payload.GameVersion;
_playerInfo.GuiScale = payload.GuiScale;
_playerInfo.LanguageCode = payload.LanguageCode;
_playerInfo.ServerAddress = payload.ServerAddress;
_playerInfo.UIProfile = payload.UIProfile;
_playerInfo.Skin = new Skin()
{
SkinType = payload.SkinId,
Texture = Convert.FromBase64String((string)payload.SkinData),
GeometryType = (string)payload.SkinGeometryName,
GeometryData = Encoding.ASCII.GetString(Convert.FromBase64String((string)payload.SkinGeometryData))
};
}
catch (Exception e)
{
Log.Error("Skin info", e);
}
}
{
if (Log.IsDebugEnabled)
{
Log.Debug("Input JSON string: " + certificateChain);
}
dynamic json = JObject.Parse(certificateChain);
if (Log.IsDebugEnabled)
{
Log.Debug($"JSON:\n{json}");
}
string validationKey = null;
JArray chain = json.chain;
var chainArray = chain.ToArray();
string identityPublicKey = null;
foreach (dynamic o in chainArray)
{
IDictionary <string, dynamic> headers = JWT.Headers(o.ToString());
if (Log.IsDebugEnabled)
{
Log.Debug("Raw chain element:\n" + o.ToString());
Log.Debug($"JWT Header: {string.Join(";", headers)}");
dynamic jsonPayload = JObject.Parse(JWT.Payload(o.ToString()));
Log.Debug($"JWT Payload:\n{jsonPayload}");
}
// x5u cert (string): MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE8ELkixyLcwlZryUQcu1TvPOmI2B7vX83ndnWRUaXm74wFfa5f/lwQNTfrLVHa2PmenpGI6JhIMUJaWZrjmMj90NoKNFSNBuKdm8rYiXsfaz3K36x/1U26HpG0ZxK/V1V
if (headers.ContainsKey("x5u"))
{
string certString = headers["x5u"];
if (identityPublicKey == null && CertificateData.MojangRootKey.Equals(certString, StringComparison.InvariantCultureIgnoreCase))
{
Log.Debug("Key is ok, and got Mojang root");
}
else if (identityPublicKey == null)
{
if (chainArray.Length > 1)
{
Log.Debug("Got client cert (client root)");
continue;
}
else if (chainArray.Length == 1)
{
Log.Debug("Selfsigned chain");
}
}
else if (identityPublicKey.Equals(certString))
{
Log.Debug("Derived Key is ok");
}
if (Log.IsDebugEnabled)
{
Log.Debug($"x5u cert (string): {certString}");
ECDiffieHellmanPublicKey publicKey = CryptoUtils.CreateEcDiffieHellmanPublicKey(certString);
Log.Debug($"Cert:\n{publicKey.ToXmlString()}");
}
// Validate
var newKey = CryptoUtils.ImportECDsaCngKeyFromString(certString);
CertificateData data = JWT.Decode <CertificateData>(o.ToString(), newKey);
if (data != null)
{
identityPublicKey = data.IdentityPublicKey;
if (Log.IsDebugEnabled)
{
Log.Debug("Decoded token success");
}
if (CertificateData.MojangRootKey.Equals(certString, StringComparison.InvariantCultureIgnoreCase))
{
Log.Debug("Got Mojang key. Is valid = " + data.CertificateAuthority);
validationKey = data.IdentityPublicKey;
}
else if (validationKey != null && validationKey.Equals(certString, StringComparison.InvariantCultureIgnoreCase))
{
_playerInfo.CertificateData = data;
}
else
{
if (data.ExtraData == null)
{
continue;
}
// Self signed, make sure they don't fake XUID
if (data.ExtraData.Xuid != null)
{
Log.Warn("Received fake XUID from " + data.ExtraData.DisplayName);
data.ExtraData.Xuid = null;
}
_playerInfo.CertificateData = data;
}
}
else
{
Log.Error("Not a valid Identity Public Key for decoding");
}
}
}
//TODO: Implement disconnect here
{
_playerInfo.Username = _playerInfo.CertificateData.ExtraData.DisplayName;
_session.Username = _playerInfo.Username;
string identity = _playerInfo.CertificateData.ExtraData.Identity;
if (Log.IsDebugEnabled)
{
Log.Debug($"Connecting user {_playerInfo.Username} with identity={identity}");
}
_playerInfo.ClientUuid = new UUID(identity);
_session.CryptoContext = new CryptoContext
{
UseEncryption = Config.GetProperty("UseEncryptionForAll", false) || (Config.GetProperty("UseEncryption", true) && !string.IsNullOrWhiteSpace(_playerInfo.CertificateData.ExtraData.Xuid)),
};
if (_session.CryptoContext.UseEncryption)
{
ECDiffieHellmanPublicKey publicKey = CryptoUtils.CreateEcDiffieHellmanPublicKey(_playerInfo.CertificateData.IdentityPublicKey);
if (Log.IsDebugEnabled)
{
Log.Debug($"Cert:\n{publicKey.ToXmlString()}");
}
// Create shared shared secret
ECDiffieHellmanCng ecKey = new ECDiffieHellmanCng(384);
ecKey.HashAlgorithm = CngAlgorithm.Sha256;
ecKey.KeyDerivationFunction = ECDiffieHellmanKeyDerivationFunction.Hash;
ecKey.SecretPrepend = Encoding.UTF8.GetBytes("RANDOM SECRET"); // Server token
byte[] secret = ecKey.DeriveKeyMaterial(publicKey);
if (Log.IsDebugEnabled)
{
Log.Debug($"SECRET KEY (b64):\n{Convert.ToBase64String(secret)}");
}
{
RijndaelManaged rijAlg = new RijndaelManaged
{
BlockSize = 128,
Padding = PaddingMode.None,
Mode = CipherMode.CFB,
FeedbackSize = 8,
Key = secret,
IV = secret.Take(16).ToArray(),
};
// Create a decrytor to perform the stream transform.
ICryptoTransform decryptor = rijAlg.CreateDecryptor(rijAlg.Key, rijAlg.IV);
MemoryStream inputStream = new MemoryStream();
CryptoStream cryptoStreamIn = new CryptoStream(inputStream, decryptor, CryptoStreamMode.Read);
ICryptoTransform encryptor = rijAlg.CreateEncryptor(rijAlg.Key, rijAlg.IV);
MemoryStream outputStream = new MemoryStream();
CryptoStream cryptoStreamOut = new CryptoStream(outputStream, encryptor, CryptoStreamMode.Write);
_session.CryptoContext.Algorithm = rijAlg;
_session.CryptoContext.Decryptor = decryptor;
_session.CryptoContext.Encryptor = encryptor;
_session.CryptoContext.InputStream = inputStream;
_session.CryptoContext.OutputStream = outputStream;
_session.CryptoContext.CryptoStreamIn = cryptoStreamIn;
_session.CryptoContext.CryptoStreamOut = cryptoStreamOut;
}
var response = McpeServerToClientHandshake.CreateObject();
response.NoBatch = true;
response.ForceClear = true;
string b64Key = Convert.ToBase64String(ecKey.PublicKey.GetDerEncoded());
var j = CngKey.Create(CngAlgorithm.ECDiffieHellmanP384, null, new CngKeyCreationParameters()
{
ExportPolicy = CngExportPolicies.AllowPlaintextExport, KeyUsage = CngKeyUsages.AllUsages
});
var jwt = JWT.Encode(new object[] {
new [] { "salt", "sNUMIRcN2BSNRw93P5vGpg==" }
}, j, JwsAlgorithm.ES384, new Dictionary <string, object> {
{ "x5u", b64Key }
});
response.token = jwt;
_session.SendPackage(response);
if (Log.IsDebugEnabled)
{
Log.Warn($"Encryption enabled for {_session.Username}");
}
}
}
}
if (!_session.CryptoContext.UseEncryption)
{
_session.MessageHandler.HandleMcpeClientToServerHandshake(null);
}
}
catch (Exception e)
{
Log.Error("Decrypt", e);
}
}
public Package McpeLogin(McpeLogin packet, Player player)
{
if (PlayersKitActivated.Contains(player.Username))
{
PlayersKitActivated.Remove(player.Username);
}
player.SendMessage(string.Format(ChatColors.Yellow + "Welcome " + player.Username), type: MessageType.Chat);
player.AddPopup(new Popup()
{
Message = $"{ChatColors.Gold}Fury Is Godly At C# ~ USER: " + player.Username,
Duration = 99999999,
Priority = 1000
});
return packet;
}
/// <summary>
/// Handles the login.
/// </summary>
/// <param name="message">The message.</param>
/// <exception cref="System.Exception">
/// No username on login
/// or
/// No username on login
/// </exception>
protected virtual void HandleLogin(McpeLogin message)
{
if (Username != null) return; // Already doing login
if (!Regex.IsMatch(message.username, "^[A-Za-z0-9_-]{3,16}$"))
{
SendPackage(new McpeDisconnect() {message = "Invalid username."});
return;
}
Username = message.username;
ClientId = message.clientId;
Session = Server.SessionManager.CreateSession(this);
if (Server.IsSecurityEnabled)
{
User = Server.UserManager.FindByName(Username);
}
Skin = message.skin;
//Skin = new Skin { Slim = false, Texture = Encoding.Default.GetBytes(new string('Z', 8192)) };
Log.WarnFormat("Login attempt by: {0}", Username);
if (Username.Trim().Length == 0)
{
SendPackage(new McpePlayerStatus {status = 2});
return;
}
// Check if the user already exist, that case bumpt the old one
Level.RemoveDuplicatePlayers(Username);
if (Username.StartsWith("Player")) IsBot = true; // HACK
//if (!Username.StartsWith("gurun")) return; // HACK
if (Username.StartsWith("Wix")
|| EndPoint.Address.ToString().EndsWith("166.91")
|| (Username.StartsWith("Wiz"))
|| (Username.StartsWith("Anon"))
|| (Username.StartsWith("Gang"))
|| (Username.StartsWith("Pafty"))
|| (Username.StartsWith("tanker"))
|| (Username.StartsWith("Chubet"))
|| (Username.StartsWith("Anth"))
|| (Username.StartsWith("10de"))
)
{
SendPackage(new McpeDisconnect() {message = "From [gurun]: You've been temp banned.\nPlease try again later :-)"});
return;
}
// Start game
Level.EntityManager.AddEntity(null, this);
// We send a ping here to get an initial value for chunk-sending
_pingSendTime = DateTime.UtcNow.Ticks/TimeSpan.TicksPerMillisecond;
SendPackage(new ConnectedPing {sendpingtime = _pingSendTime});
SendPackage(new McpePlayerStatus {status = 0});
SendStartGame();
SendSetSpawnPosition();
SendSetTime();
SendPackage(new McpeSetDifficulty {difficulty = (int) Level.Difficulty});
SendPackage(new McpeAdventureSettings {flags = Level.IsSurvival ? 0x20 : 0x80});
//SendPackage(new McpeAdventureSettings { flags = Level.IsSurvival ? 0x80 : 0x80 });
SendSetHealth();
SendPackage(new McpeSetEntityData
{
entityId = EntityId,
metadata = GetMetadata()
});
Level.AddPlayer(this, string.Format("{0} joined the game!", Username));
SendPackage(new McpeContainerSetContent
{
windowId = 0,
slotData = Inventory.Slots,
hotbarData = Inventory.ItemHotbar
});
SendPackage(new McpeContainerSetContent
{
windowId = 0x78, // Armor windows ID
slotData = Inventory.Armor,
hotbarData = null
});
//SendPackage(new McpePlayerStatus {status = 3});
SendChunksForKnownPosition();
//IsSpawned = true;
LastUpdatedTime = DateTime.UtcNow;
if (IsBot)
{
InitializePlayer();
return;
}
}
private void SendAlexLogin(string username)
{
JWT.JsonMapper = new NewtonsoftMapper();
var clientKey = XblmsaService.MinecraftKeyPair;// CryptoUtils.GenerateClientKey();
ECDsa signKey = ConvertToSingKeyFormat(clientKey);
string b64Key = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(clientKey.Public).GetEncoded().EncodeBase64();
string identity, xuid = "";
byte[] certChain = null;
if (XblmsaService.MinecraftChain != null)
{
var element = XblmsaService.DecodedChain.Chain[1];
Username = username = element.ExtraData.DisplayName;
identity = element.ExtraData.Identity;
xuid = element.ExtraData.Xuid;
certChain = XblmsaService.MinecraftChain;
Log.Info($"Using signed certificate chain");
}
else
{
long iat = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
long exp = DateTimeOffset.UtcNow.AddDays(1).ToUnixTimeSeconds();
//ECDsa signKey = ConvertToSingKeyFormat(newKey);
CertificateData certificateData = new CertificateData
{
Exp = exp,
Iat = iat,
ExtraData = new ExtraData
{
DisplayName = username,
Identity = Guid.NewGuid().ToString(),
XUID = ""
},
Iss = "self",
IdentityPublicKey = b64Key,
CertificateAuthority = true,
Nbf = iat,
RandomNonce = new Random().Next(),
};
certChain = EncodeJwt(certificateData, b64Key, signKey);
}
var skinData = EncodeSkinJwt(clientKey, signKey, username, b64Key);
byte[] data = CryptoUtils.CompressJwtBytes(certChain, skinData, CompressionLevel.Fastest);
McpeLogin loginPacket = new McpeLogin
{
protocolVersion = McpeProtocolInfo.ProtocolVersion,
payload = data
};
Session.CryptoContext = new CryptoContext()
{
ClientKey = clientKey,
UseEncryption = false,
};
SendPacket(loginPacket);
// Session.CryptoContext.UseEncryption = true;
}
public void HandleMcpeLogin(McpeLogin message)
{
WritePackage(message);
}
protected void DecodeCert(McpeLogin message)
{
_playerInfo = new PlayerInfo();
// Get bytes
byte[] buffer = message.payload;
if (message.payloadLenght != buffer.Length) throw new Exception($"Wrong lenght {message.payloadLenght} != {message.payload.Length}");
// Decompress bytes
Log.Debug("Lenght: " + message.payloadLenght + ", Message: " + Convert.ToBase64String(buffer));
MemoryStream stream = new MemoryStream(buffer);
if (stream.ReadByte() != 0x78)
{
throw new InvalidDataException("Incorrect ZLib header. Expected 0x78 0x9C");
}
stream.ReadByte();
string certificateChain;
string skinData;
using (var defStream2 = new DeflateStream(stream, CompressionMode.Decompress, false))
{
// Get actual package out of bytes
MemoryStream destination = MiNetServer.MemoryStreamManager.GetStream();
defStream2.CopyTo(destination);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, false);
try
{
var countCertData = reader.ReadInt32();
Log.Debug("Count cert: " + countCertData);
certificateChain = Encoding.UTF8.GetString(reader.ReadBytes(countCertData));
Log.Debug("Decompressed certificateChain " + certificateChain);
var countSkinData = reader.ReadInt32();
Log.Debug("Count skin: " + countSkinData);
skinData = Encoding.UTF8.GetString(reader.ReadBytes(countSkinData));
Log.Debug("Decompressed skinData" + skinData);
}
catch (Exception e)
{
Log.Error("Parsing login", e);
return;
}
}
try
{
{
if (Log.IsDebugEnabled) Log.Debug("Input JSON string: " + certificateChain);
dynamic json = JObject.Parse(certificateChain);
if (Log.IsDebugEnabled) Log.Debug($"JSON:\n{json}");
string validationKey = null;
foreach (dynamic o in json.chain)
{
IDictionary<string, dynamic> headers = JWT.Headers(o.ToString());
if (Log.IsDebugEnabled)
{
Log.Debug("Raw chain element:\n" + o.ToString());
Log.Debug($"JWT Header: {string.Join(";", headers)}");
dynamic jsonPayload = JObject.Parse(JWT.Payload(o.ToString()));
Log.Debug($"JWT Payload:\n{jsonPayload}");
}
// x5u cert (string): MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE8ELkixyLcwlZryUQcu1TvPOmI2B7vX83ndnWRUaXm74wFfa5f/lwQNTfrLVHa2PmenpGI6JhIMUJaWZrjmMj90NoKNFSNBuKdm8rYiXsfaz3K36x/1U26HpG0ZxK/V1V
if (headers.ContainsKey("x5u"))
{
string certString = headers["x5u"];
if (Log.IsDebugEnabled)
{
Log.Debug($"x5u cert (string): {certString}");
ECDiffieHellmanPublicKey publicKey = CryptoUtils.CreateEcDiffieHellmanPublicKey(certString);
Log.Debug($"Cert:\n{publicKey.ToXmlString()}");
}
// Validate
CngKey newKey = CryptoUtils.ImportECDsaCngKeyFromString(certString);
CertificateData data = JWT.Decode<CertificateData>(o.ToString(), newKey);
if (data != null)
{
if (Log.IsDebugEnabled) Log.Debug("Decoded token success");
if (CertificateData.MojangRootKey.Equals(certString, StringComparison.InvariantCultureIgnoreCase))
{
Log.Debug("Got Mojang key. Is valid = " + data.CertificateAuthority);
validationKey = data.IdentityPublicKey;
}
else if (validationKey != null && validationKey.Equals(certString, StringComparison.InvariantCultureIgnoreCase))
{
_playerInfo.CertificateData = data;
}
else
{
// Self signed, make sure they don't fake XUID
if (data.ExtraData.Xuid != null)
{
Log.Warn("Received fake XUID from " + data.ExtraData.DisplayName);
data.ExtraData.Xuid = null;
}
_playerInfo.CertificateData = data;
}
}
else
{
Log.Error("Not a valid Identity Public Key for decoding");
}
}
}
//TODO: Implement disconnect here
{
_playerInfo.Username = _playerInfo.CertificateData.ExtraData.DisplayName;
_session.Username = _playerInfo.Username;
string identity = _playerInfo.CertificateData.ExtraData.Identity;
if (Log.IsDebugEnabled) Log.Debug($"Connecting user {_playerInfo.Username} with identity={identity}");
_playerInfo.ClientUuid = new UUID(new Guid(identity));
_session.CryptoContext = new CryptoContext
{
UseEncryption = Config.GetProperty("UseEncryptionForAll", false) || (Config.GetProperty("UseEncryption", true) && !string.IsNullOrWhiteSpace(_playerInfo.CertificateData.ExtraData.Xuid)),
};
if (_session.CryptoContext.UseEncryption)
{
ECDiffieHellmanPublicKey publicKey = CryptoUtils.CreateEcDiffieHellmanPublicKey(_playerInfo.CertificateData.IdentityPublicKey);
if (Log.IsDebugEnabled) Log.Debug($"Cert:\n{publicKey.ToXmlString()}");
// Create shared shared secret
ECDiffieHellmanCng ecKey = new ECDiffieHellmanCng(384);
ecKey.HashAlgorithm = CngAlgorithm.Sha256;
ecKey.KeyDerivationFunction = ECDiffieHellmanKeyDerivationFunction.Hash;
ecKey.SecretPrepend = Encoding.UTF8.GetBytes("RANDOM SECRET"); // Server token
byte[] secret = ecKey.DeriveKeyMaterial(publicKey);
if (Log.IsDebugEnabled) Log.Debug($"SECRET KEY (b64):\n{Convert.ToBase64String(secret)}");
{
RijndaelManaged rijAlg = new RijndaelManaged
{
BlockSize = 128,
Padding = PaddingMode.None,
Mode = CipherMode.CFB,
FeedbackSize = 8,
Key = secret,
IV = secret.Take(16).ToArray(),
};
// Create a decrytor to perform the stream transform.
ICryptoTransform decryptor = rijAlg.CreateDecryptor(rijAlg.Key, rijAlg.IV);
MemoryStream inputStream = new MemoryStream();
CryptoStream cryptoStreamIn = new CryptoStream(inputStream, decryptor, CryptoStreamMode.Read);
ICryptoTransform encryptor = rijAlg.CreateEncryptor(rijAlg.Key, rijAlg.IV);
MemoryStream outputStream = new MemoryStream();
CryptoStream cryptoStreamOut = new CryptoStream(outputStream, encryptor, CryptoStreamMode.Write);
_session.CryptoContext.Algorithm = rijAlg;
_session.CryptoContext.Decryptor = decryptor;
_session.CryptoContext.Encryptor = encryptor;
_session.CryptoContext.InputStream = inputStream;
_session.CryptoContext.OutputStream = outputStream;
_session.CryptoContext.CryptoStreamIn = cryptoStreamIn;
_session.CryptoContext.CryptoStreamOut = cryptoStreamOut;
}
var response = McpeServerExchange.CreateObject();
response.NoBatch = true;
response.ForceClear = true;
response.serverPublicKey = Convert.ToBase64String(ecKey.PublicKey.GetDerEncoded());
response.tokenLenght = (short) ecKey.SecretPrepend.Length;
response.token = ecKey.SecretPrepend;
_session.SendPackage(response);
if (Log.IsDebugEnabled) Log.Warn($"Encryption enabled for {_session.Username}");
}
}
}
{
if (Log.IsDebugEnabled) Log.Debug("Input SKIN string: " + skinData);
IDictionary<string, dynamic> headers = JWT.Headers(skinData);
dynamic payload = JObject.Parse(JWT.Payload(skinData));
if (Log.IsDebugEnabled) Log.Debug($"Skin JWT Header: {string.Join(";", headers)}");
if (Log.IsDebugEnabled) Log.Debug($"Skin JWT Payload:\n{payload.ToString()}");
// Skin JWT Payload:
//{
// "ClientRandomId": -1256727416,
// "ServerAddress": "yodamine.com:19132",
// "SkinData": 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// "SkinId": "Standard_Custom"
//}
_playerInfo.ServerAddress = payload.ServerAddress;
_playerInfo.ClientId = payload.ClientRandomId;
_playerInfo.Skin = new Skin()
{
SkinType = payload.SkinId,
Texture = Convert.FromBase64String((string) payload.SkinData),
};
}
if (!_session.CryptoContext.UseEncryption)
{
_session.MessageHandler.HandleMcpeClientMagic(null);
}
}
catch (Exception e)
{
Log.Error("Decrypt", e);
}
}
public Package LoginHandler(McpeLogin packet, Player player)
{
player.DisplayName = TextUtils.Center($"{GetNameTag(packet.username ?? "")}");
return(packet);
}
protected void DecodeCertMono(McpeLogin message)
{
byte[] buffer = message.payload;
if (message.payload.Length != buffer.Length)
{
Log.Debug($"Wrong lenght {message.payload.Length} != {message.payload.Length}");
throw new Exception($"Wrong lenght {message.payload.Length} != {message.payload.Length}");
}
if (Log.IsDebugEnabled)
{
Log.Debug("Lenght: " + message.payload.Length + ", Message: " + buffer.EncodeBase64());
}
string certificateChain;
string skinData;
try
{
var destination = new MemoryStream(buffer);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, false);
var countCertData = reader.ReadInt32();
certificateChain = Encoding.UTF8.GetString(reader.ReadBytes(countCertData));
if (Log.IsDebugEnabled)
{
Log.Debug($"Certificate Chain (Lenght={countCertData})\n{certificateChain}");
}
var countSkinData = reader.ReadInt32();
skinData = Encoding.UTF8.GetString(reader.ReadBytes(countSkinData));
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin data (Lenght={countSkinData})\n{skinData}");
}
}
catch (Exception e)
{
Log.Error("Parsing login", e);
return;
}
try
{
{
IDictionary <string, dynamic> headers = JWT.Headers(skinData);
dynamic payload = JObject.Parse(JWT.Payload(skinData));
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin JWT Header: {string.Join(";", headers)}");
}
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin JWT Payload:\n{payload.ToString()}");
}
try
{
_playerInfo.ClientId = payload.ClientRandomId;
_playerInfo.CurrentInputMode = payload.CurrentInputMode;
_playerInfo.DefaultInputMode = payload.DefaultInputMode;
_playerInfo.DeviceModel = payload.DeviceModel;
_playerInfo.DeviceOS = payload.DeviceOS;
_playerInfo.GameVersion = payload.GameVersion;
_playerInfo.GuiScale = payload.GuiScale;
_playerInfo.LanguageCode = payload.LanguageCode;
_playerInfo.ServerAddress = payload.ServerAddress;
_playerInfo.UIProfile = payload.UIProfile;
_playerInfo.Skin = new Skin()
{
CapeData = Convert.FromBase64String((string)payload.CapeData),
SkinId = payload.SkinId,
SkinData = Convert.FromBase64String((string)payload.SkinData),
SkinGeometryName = payload.SkinGeometryName,
SkinGeometry = Encoding.UTF8.GetString(Convert.FromBase64String((string)payload.SkinGeometry)),
};
Log.Warn($"Cape data lenght={_playerInfo.Skin.CapeData.Length}");
}
catch (Exception e)
{
Log.Error("Parsing skin data", e);
}
}
//var chainArray = chain.ToArray();
string validationKey = null;
string identityPublicKey = null;
//if (!isMono)
{
dynamic json = JObject.Parse(certificateChain);
if (Log.IsDebugEnabled)
{
Log.Debug($"Certificate JSON:\n{json}");
}
JArray chain = json.chain;
foreach (JToken token in chain)
{
IDictionary <string, dynamic> headers = JWT.Headers(token.ToString());
if (Log.IsDebugEnabled)
{
Log.Debug("Raw chain element:\n" + token.ToString());
Log.Debug($"JWT Header: {string.Join(";", headers)}");
dynamic jsonPayload = JObject.Parse(JWT.Payload(token.ToString()));
Log.Debug($"JWT Payload:\n{jsonPayload}");
}
// Mojang root x5u cert (string): MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE8ELkixyLcwlZryUQcu1TvPOmI2B7vX83ndnWRUaXm74wFfa5f/lwQNTfrLVHa2PmenpGI6JhIMUJaWZrjmMj90NoKNFSNBuKdm8rYiXsfaz3K36x/1U26HpG0ZxK/V1V
if (!headers.ContainsKey("x5u"))
{
continue;
}
string x5u = headers["x5u"];
if (identityPublicKey == null)
{
if (CertificateData.MojangRootKey.Equals(x5u, StringComparison.InvariantCultureIgnoreCase))
{
Log.Debug("Key is ok, and got Mojang root");
}
else if (chain.Count > 1)
{
Log.Debug("Got client cert (client root)");
continue;
}
else if (chain.Count == 1)
{
Log.Debug("Selfsigned chain");
}
}
else if (identityPublicKey.Equals(x5u))
{
Log.Debug("Derived Key is ok");
}
// Validate
var key = PublicKeyFactory.CreateKey(x5u.DecodeBase64Url());
CertificateData data = CryptoUtils.Decode(token.ToString(), key);
if (data != null)
{
identityPublicKey = data.IdentityPublicKey;
if (Log.IsDebugEnabled)
{
Log.Debug("Decoded token success");
}
if (CertificateData.MojangRootKey.Equals(x5u, StringComparison.InvariantCultureIgnoreCase))
{
Log.Debug("Got Mojang key. Is valid = " + data.CertificateAuthority);
validationKey = data.IdentityPublicKey;
}
else if (validationKey != null && validationKey.Equals(x5u, StringComparison.InvariantCultureIgnoreCase))
{
_playerInfo.CertificateData = data;
}
else
{
if (data.ExtraData == null)
{
continue;
}
// Self signed, make sure they don't fake XUID
if (data.ExtraData.Xuid != null)
{
Log.Warn("Received fake XUID from " + data.ExtraData.DisplayName);
data.ExtraData.Xuid = null;
}
_playerInfo.CertificateData = data;
}
}
else
{
Log.Error("Not a valid Identity Public Key for decoding");
}
}
}
//TODO: Implement disconnect here
_playerInfo.Username = _playerInfo.CertificateData.ExtraData.DisplayName;
_session.Username = _playerInfo.Username;
string identity = _playerInfo.CertificateData.ExtraData.Identity;
if (Log.IsDebugEnabled)
{
Log.Debug($"Connecting user {_playerInfo.Username} with identity={identity}");
}
_playerInfo.ClientUuid = new UUID(identity);
bool useEncryption = (Config.GetProperty("UseEncryptionForAll", false) ||
(Config.GetProperty("UseEncryption", true) &&
!string.IsNullOrWhiteSpace(_playerInfo.CertificateData.ExtraData.Xuid)));
if (useEncryption)
{
var publicKey = PublicKeyFactory.CreateKey(_playerInfo.CertificateData.IdentityPublicKey.DecodeBase64Url());
string namedCurve = "secp384r1";
ECKeyPairGenerator pGen = new ECKeyPairGenerator();
ECKeyGenerationParameters genParam = new ECKeyGenerationParameters(
SecNamedCurves.GetOid(namedCurve),
new SecureRandom());
pGen.Init(genParam);
AsymmetricCipherKeyPair keyPair = pGen.GenerateKeyPair();
ECDHBasicAgreement agreement = new ECDHBasicAgreement();
agreement.Init(keyPair.Private);
byte[] preHash = agreement.CalculateAgreement(publicKey).ToByteArray();
byte[] prepend = Encoding.UTF8.GetBytes("RANDOM SECRET");
byte[] secret;
SHA256Managed sha = new SHA256Managed();
using (var memoryStream = new MemoryStream())
{
memoryStream.Write(prepend, 0, prepend.Length);
memoryStream.Write(preHash, 0, preHash.Length);
memoryStream.Position = 0;
secret = sha.ComputeHash(memoryStream);
}
sha.Dispose();
//if (Log.IsDebugEnabled) Log.Debug($"SECRET KEY (b64, {secret.Length}):\n{secret.EncodeBase64()}");
{
RijndaelManaged rijAlg = new RijndaelManaged
{
BlockSize = 128,
Padding = PaddingMode.None,
Mode = CipherMode.CFB,
FeedbackSize = 8,
Key = secret,
IV = secret.Take(16).ToArray(),
};
// Create a decrytor to perform the stream transform.
ICryptoTransform decryptor = rijAlg.CreateDecryptor(rijAlg.Key, rijAlg.IV);
MemoryStream inputStream = new MemoryStream();
CryptoStream cryptoStreamIn = new CryptoStream(inputStream, decryptor, CryptoStreamMode.Read);
ICryptoTransform encryptor = rijAlg.CreateEncryptor(rijAlg.Key, rijAlg.IV);
MemoryStream outputStream = new MemoryStream();
CryptoStream cryptoStreamOut = new CryptoStream(outputStream, encryptor, CryptoStreamMode.Write);
_session.CryptoContext = new CryptoContext
{
UseEncryption = true,
Algorithm = rijAlg,
Decryptor = decryptor,
Encryptor = encryptor,
InputStream = inputStream,
OutputStream = outputStream,
CryptoStreamIn = cryptoStreamIn,
CryptoStreamOut = cryptoStreamOut
};
var pubKey1 = ((ECPublicKeyParameters)keyPair.Public);
byte[] asn = new byte[24]
{
0x30, 0x76, 0x30, 0x10, 0x6, 0x7, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x2,
0x1, 0x6, 0x5, 0x2b, 0x81, 0x4, 0x0, 0x22, 0x3, 0x62, 0x0, 0x4
};
string b64Key = asn.Concat(ConvertToNCryptEccPublicBlob(pubKey1.Q).Skip(8)).ToArray().EncodeBase64();
var handshakeJson = new HandshakeData()
{
salt = prepend.EncodeBase64()
};
string val = CryptoUtils.Encode(handshakeJson, keyPair.Private, JwsAlgorithm.ES384,
new Dictionary <string, object> {
{ "x5u", b64Key }
});
var response = McpeServerToClientHandshake.CreateObject();
response.NoBatch = true;
response.ForceClear = true;
response.token = val;
_session.SendPackage(response);
if (Log.IsDebugEnabled)
{
Log.Warn($"Encryption enabled for {_session.Username}");
}
}
}
else
{
_session.CryptoContext = new CryptoContext
{
UseEncryption = false
};
_session.MessageHandler.HandleMcpeClientToServerHandshake(null);
}
}
catch (Exception e)
{
Log.Error("Decrypt", e);
}
}
protected void DecodeCert(McpeLogin message)
{
_playerInfo = new PlayerInfo();
// Get bytes
byte[] buffer = message.payload;
//Log.Debug($"Unknown byte in login packet is: {message.unknown}");
if (message.payload.Length != buffer.Length)
{
Log.Debug($"Wrong lenght {message.payload.Length} != {message.payload.Length}");
throw new Exception($"Wrong lenght {message.payload.Length} != {message.payload.Length}");
}
// Decompress bytes
Log.Debug("Lenght: " + message.payload.Length + ", Message: " + Convert.ToBase64String(buffer));
//MemoryStream stream = new MemoryStream(buffer);
//if (stream.ReadByte() != 0x78)
//{
// throw new InvalidDataException("Incorrect ZLib header. Expected 0x78 0x9C");
//}
//stream.ReadByte();
string certificateChain;
string skinData;
//using (var defStream2 = new DeflateStream(stream, CompressionMode.Decompress, false))
{
// Get actual package out of bytes
//using (MemoryStream destination = MiNetServer.MemoryStreamManager.GetStream())
{
//defStream2.CopyTo(destination);
var destination = new MemoryStream(buffer);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, false);
try
{
var countCertData = reader.ReadInt32();
Log.Debug("Count cert: " + countCertData);
certificateChain = Encoding.UTF8.GetString(reader.ReadBytes(countCertData));
Log.Debug("Decompressed certificateChain " + certificateChain);
var countSkinData = reader.ReadInt32();
Log.Debug("Count skin: " + countSkinData);
skinData = Encoding.UTF8.GetString(reader.ReadBytes(countSkinData));
Log.Debug("Decompressed skinData" + skinData);
}
catch (Exception e)
{
Log.Error("Parsing login", e);
return;
}
}
}
try
{
{
if (Log.IsDebugEnabled)
{
Log.Debug("Input SKIN string: " + skinData);
}
IDictionary <string, dynamic> headers = JWT.Headers(skinData);
dynamic payload = JObject.Parse(JWT.Payload(skinData));
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin JWT Header: {string.Join(";", headers)}");
}
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin JWT Payload:\n{payload.ToString()}");
}
// Skin JWT Payload:
//{
// "ADRole": 2,
// "ClientRandomId": 1423700530444426768,
// "CurrentInputMode": 1,
// "DefaultInputMode": 1,
// "DeviceModel": "ASUSTeK COMPUTER INC. N550JK",
// "DeviceOS": 7,
// "GameVersion": "1.1.0",
// "GuiScale": 0,
// "LanguageCode": "en_US",
// "ServerAddress": "192.168.0.3:19132",
// "SkinData": 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// "SkinId": "Standard_Custom",
// "TenantId": "",
// "UIProfile": 0
//}
try
{
_playerInfo.ADRole = payload.ADRole;
_playerInfo.ClientId = payload.ClientRandomId;
_playerInfo.CurrentInputMode = payload.CurrentInputMode;
_playerInfo.DefaultInputMode = payload.DefaultInputMode;
_playerInfo.DeviceModel = payload.DeviceModel;
_playerInfo.DeviceOS = payload.DeviceOS;
_playerInfo.GameVersion = payload.GameVersion;
_playerInfo.GuiScale = payload.GuiScale;
_playerInfo.LanguageCode = payload.LanguageCode;
_playerInfo.ServerAddress = payload.ServerAddress;
_playerInfo.UIProfile = payload.UIProfile;
_playerInfo.Skin = new Skin()
{
SkinType = payload.SkinId,
Texture = Convert.FromBase64String((string)payload.SkinData),
};
}
catch (Exception e)
{
Log.Error("Skin info", e);
}
}
{
if (Log.IsDebugEnabled)
{
Log.Debug("Input JSON string: " + certificateChain);
}
dynamic json = JObject.Parse(certificateChain);
if (Log.IsDebugEnabled)
{
Log.Debug($"JSON:\n{json}");
}
string validationKey = null;
foreach (dynamic o in json.chain)
{
IDictionary <string, dynamic> headers = JWT.Headers(o.ToString());
dynamic jsonPayload = JObject.Parse(JWT.Payload(o.ToString()));
if (Log.IsDebugEnabled)
{
Log.Debug("Raw chain element:\n" + o.ToString());
Log.Debug($"JWT Header: {string.Join(";", headers)}");
Log.Debug($"JWT Payload:\n{jsonPayload}");
}
if (jsonPayload["extraData"] == null)
{
continue;
}
_playerInfo.Username = jsonPayload["extraData"]["displayName"];
_session.Username = _playerInfo.Username;
string identity = jsonPayload["extraData"]["identity"];
_playerInfo.ClientUuid = new UUID(new Guid(identity).ToByteArray());
_session.CryptoContext = new CryptoContext
{
UseEncryption = false
};
if (jsonPayload["extraData"]["XUID"] != null)
{
_playerInfo.CertificateData = new CertificateData
{
ExtraData = new ExtraData
{
Xuid = jsonPayload["extraData"]["XUID"]
}
};
}
else
{
_playerInfo.CertificateData = new CertificateData
{
ExtraData = new ExtraData
{
Xuid = ""
}
};
}
}
}
if (!_session.CryptoContext.UseEncryption)
{
_session.MessageHandler.HandleMcpeClientToServerHandshake(null);
}
}
catch (Exception e)
{
Log.Error("Decrypt", e);
}
}
/// <summary>
/// Handles the login.
/// </summary>
/// <param name="message">The message.</param>
/// <exception cref="System.Exception">
/// No username on login
/// or
/// No username on login
/// </exception>
private void HandleLogin(McpeLogin message)
{
if (Username != null) return; // Already doing login
Username = message.username;
ClientId = message.clientId;
Skin = message.skin;
//Skin = new Skin { Slim = false, Texture = Encoding.Default.GetBytes(new string('Z', 8192)) };
Log.WarnFormat("Login attempt by: {0}", Username);
if (Username.Trim().Length == 0)
{
SendPackage(new McpePlayerStatus {status = 2});
return;
}
//Success = 0;
//FailedClientIsOld = 1;
//FailedServerIsOld, FailedClientIsNew = 2;
//FailedPlayerAuthentication = 3;
//if (Server.UserManager != null)
//{
// if (Username == null || Server.UserManager.FindByName(Username) == null)
// {
// //TODO: Must implement disconnect properly. This is not enough for the client to "get it".
// SendPackage(new McpeLoginStatus {status = 3});
// return;
// }
//}
// Check if the user already exist, that case bumpt the old one
Level.RemoveDuplicatePlayers(Username);
if (Username.StartsWith("Player")) IsBot = true;
if (Username.StartsWith("Wix")) return;
if (Username.StartsWith("Wiz")) return;
//LoadFromFile();
// Start game
Level.EntityManager.AddEntity(null, this);
//const LOGIN_SUCCESS = 0;
//const LOGIN_FAILED_CLIENT = 1;
//const LOGIN_FAILED_SERVER = 2;
//const PLAYER_SPAWN = 3;
_pingSendTime = DateTime.UtcNow.Ticks/TimeSpan.TicksPerMillisecond;
SendPackage(new ConnectedPing {sendpingtime = _pingSendTime});
SendPackage(new McpePlayerStatus {status = 0});
SendStartGame();
SendSetSpawnPosition();
SendSetTime();
SendPackage(new McpeSetDifficulty {difficulty = (int) Level.Difficulty});
SendPackage(new McpeAdventureSettings {flags = Level.IsSurvival ? 0x20 : 0x80});
//SendPackage(new McpeAdventureSettings { flags = Level.IsSurvival ? 0x80 : 0x80 });
SendSetHealth();
SendPackage(new McpeSetEntityData
{
entityId = EntityId,
metadata = GetMetadata()
});
Level.AddPlayer(this, string.Format("{0} joined the game!", Username));
SendPackage(new McpeContainerSetContent
{
windowId = 0,
slotData = Inventory.Slots,
hotbarData = Inventory.ItemHotbar
});
SendPackage(new McpeContainerSetContent
{
windowId = 0x78, // Armor windows ID
slotData = Inventory.Armor,
hotbarData = null
});
//SendPackage(new McpePlayerStatus {status = 3});
SendChunksForKnownPosition();
//IsSpawned = true;
LastUpdatedTime = DateTime.UtcNow;
}
public void SendLogin(string username)
{
Skin skin = new Skin {Slim = false, Texture = Encoding.Default.GetBytes(new string('Z', 8192))};
var packet = new McpeLogin()
{
clientId = 12345,
username = username,
protocol = 27,
skin = skin
};
McpeBatch batch = new McpeBatch();
byte[] buffer = CompressBytes(packet.Encode());
batch.payloadSize = buffer.Length;
batch.payload = buffer;
SendPackage(batch);
}
/// <summary>
/// Handles the login.
/// </summary>
/// <param name="message">The message.</param>
/// <exception cref="System.Exception">
/// No username on login
/// or
/// No username on login
/// </exception>
protected virtual void HandleLogin(McpeLogin message)
{
if (Username != null)
{
return; // Already doing login
}
Username = message.username;
ClientId = message.clientId;
User user = Server.UserManager.FindByName(Username);
if (user != null)
{
Session = Server.SessionManager.FindSession(EndPoint, ClientId, Username);
if (Session != null)
{
User = user;
}
}
Skin = message.skin;
//Skin = new Skin { Slim = false, Texture = Encoding.Default.GetBytes(new string('Z', 8192)) };
Log.WarnFormat("Login attempt by: {0}", Username);
if (Username.Trim().Length == 0)
{
SendPackage(new McpePlayerStatus {
status = 2
});
return;
}
// Check if the user already exist, that case bumpt the old one
Level.RemoveDuplicatePlayers(Username);
if (Username.StartsWith("Player"))
{
IsBot = true; // HACK
}
if (Username.StartsWith("Wix"))
{
return;
}
if (Username.StartsWith("Wiz"))
{
return;
}
if (Username.StartsWith("Aga"))
{
return;
}
// Start game
Level.EntityManager.AddEntity(null, this);
// We send a ping here to get an initial value for chunk-sending
_pingSendTime = DateTime.UtcNow.Ticks / TimeSpan.TicksPerMillisecond;
SendPackage(new ConnectedPing {
sendpingtime = _pingSendTime
});
SendPackage(new McpePlayerStatus {
status = 0
});
SendStartGame();
SendSetSpawnPosition();
SendSetTime();
SendPackage(new McpeSetDifficulty {
difficulty = (int)Level.Difficulty
});
SendPackage(new McpeAdventureSettings {
flags = Level.IsSurvival ? 0x20 : 0x80
});
//SendPackage(new McpeAdventureSettings { flags = Level.IsSurvival ? 0x80 : 0x80 });
SendSetHealth();
SendPackage(new McpeSetEntityData
{
entityId = EntityId,
metadata = GetMetadata()
});
Level.AddPlayer(this, string.Format("{0} joined the game!", Username));
SendPackage(new McpeContainerSetContent
{
windowId = 0,
slotData = Inventory.Slots,
hotbarData = Inventory.ItemHotbar
});
SendPackage(new McpeContainerSetContent
{
windowId = 0x78, // Armor windows ID
slotData = Inventory.Armor,
hotbarData = null
});
//SendPackage(new McpePlayerStatus {status = 3});
SendChunksForKnownPosition();
//IsSpawned = true;
LastUpdatedTime = DateTime.UtcNow;
}
/// <summary>
/// Handles the login.
/// </summary>
/// <param name="message">The message.</param>
/// <exception cref="System.Exception">
/// No username on login
/// or
/// No username on login
/// </exception>
private void HandleLogin(McpeLogin message)
{
if (Username != null)
{
return; // Already doing login
}
Username = message.username;
ClientId = message.clientId;
Skin = message.skin;
//Skin = new Skin { Slim = false, Texture = Encoding.Default.GetBytes(new string('Z', 8192)) };
Log.WarnFormat("Login attempt by: {0}", Username);
if (Username.Trim().Length == 0)
{
SendPackage(new McpePlayerStatus {
status = 2
});
return;
}
//Success = 0;
//FailedClientIsOld = 1;
//FailedServerIsOld, FailedClientIsNew = 2;
//FailedPlayerAuthentication = 3;
//if (Server.UserManager != null)
//{
// if (Username == null || Server.UserManager.FindByName(Username) == null)
// {
// //TODO: Must implement disconnect properly. This is not enough for the client to "get it".
// SendPackage(new McpeLoginStatus {status = 3});
// return;
// }
//}
// Check if the user already exist, that case bumpt the old one
Level.RemoveDuplicatePlayers(Username);
if (Username.StartsWith("Player"))
{
IsBot = true;
}
if (Username.StartsWith("Wix"))
{
return;
}
if (Username.StartsWith("Wiz"))
{
return;
}
//LoadFromFile();
// Start game
Level.EntityManager.AddEntity(null, this);
//const LOGIN_SUCCESS = 0;
//const LOGIN_FAILED_CLIENT = 1;
//const LOGIN_FAILED_SERVER = 2;
//const PLAYER_SPAWN = 3;
_pingSendTime = DateTime.UtcNow.Ticks / TimeSpan.TicksPerMillisecond;
SendPackage(new ConnectedPing {
sendpingtime = _pingSendTime
});
SendPackage(new McpePlayerStatus {
status = 0
});
SendStartGame();
SendSetSpawnPosition();
SendSetTime();
SendPackage(new McpeSetDifficulty {
difficulty = (int)Level.Difficulty
});
SendPackage(new McpeAdventureSettings {
flags = Level.IsSurvival ? 0x20 : 0x80
});
//SendPackage(new McpeAdventureSettings { flags = Level.IsSurvival ? 0x80 : 0x80 });
SendSetHealth();
SendPackage(new McpeSetEntityData
{
entityId = EntityId,
metadata = GetMetadata()
});
Level.AddPlayer(this, string.Format("{0} joined the game!", Username));
SendPackage(new McpeContainerSetContent
{
windowId = 0,
slotData = Inventory.Slots,
hotbarData = Inventory.ItemHotbar
});
SendPackage(new McpeContainerSetContent
{
windowId = 0x78, // Armor windows ID
slotData = Inventory.Armor,
hotbarData = null
});
//SendPackage(new McpePlayerStatus {status = 3});
SendChunksForKnownPosition();
//IsSpawned = true;
LastUpdatedTime = DateTime.UtcNow;
}
protected void DecodeCert(McpeLogin message)
{
_playerInfo = new PlayerInfo();
// Get bytes
byte[] buffer = message.payload;
//Log.Debug($"Unknown byte in login packet is: {message.unknown}");
if (message.payload.Length != buffer.Length)
{
Log.Debug($"Wrong lenght {message.payload.Length} != {message.payload.Length}");
throw new Exception($"Wrong lenght {message.payload.Length} != {message.payload.Length}");
}
// Decompress bytes
Log.Debug("Lenght: " + message.payload.Length + ", Message: " + Convert.ToBase64String(buffer));
//MemoryStream stream = new MemoryStream(buffer);
//if (stream.ReadByte() != 0x78)
//{
// throw new InvalidDataException("Incorrect ZLib header. Expected 0x78 0x9C");
//}
//stream.ReadByte();
string certificateChain;
string skinData;
//using (var defStream2 = new DeflateStream(stream, CompressionMode.Decompress, false))
{
// Get actual package out of bytes
//using (MemoryStream destination = MiNetServer.MemoryStreamManager.GetStream())
{
//defStream2.CopyTo(destination);
var destination = new MemoryStream(buffer);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, false);
try
{
var countCertData = reader.ReadInt32();
Log.Debug("Count cert: " + countCertData);
certificateChain = Encoding.UTF8.GetString(reader.ReadBytes(countCertData));
Log.Debug("Decompressed certificateChain " + certificateChain);
var countSkinData = reader.ReadInt32();
Log.Debug("Count skin: " + countSkinData);
skinData = Encoding.UTF8.GetString(reader.ReadBytes(countSkinData));
Log.Debug("Decompressed skinData" + skinData);
}
catch (Exception e)
{
Log.Error("Parsing login", e);
return;
}
}
}
try
{
{
if (Log.IsDebugEnabled)
{
Log.Debug("Input SKIN string: " + skinData);
}
IDictionary <string, dynamic> headers = JWT.Headers(skinData);
dynamic payload = JObject.Parse(JWT.Payload(skinData));
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin JWT Header: {string.Join(";", headers)}");
}
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin JWT Payload:\n{payload.ToString()}");
}
// Skin JWT Payload:
//{
// "ADRole": 2,
// "ClientRandomId": -1256727416,
// "CurrentInputMode": 2,
// "DefaultInputMode": 2,
// "DeviceModel": "SAMSUNG GT-P5210",
// "DeviceOS": 1,
// "GameVersion": "1.0.3.0",
// "GuiScale": 0,
// "ServerAddress": "192.168.0.3:19132",
// "SkinData": 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// "SkinId": "Standard_Custom",
// "TenantId": "",
// "UIProfile": 1
//}
try
{
_playerInfo.ADRole = payload.ADRole;
_playerInfo.ClientId = payload.ClientRandomId;
_playerInfo.CurrentInputMode = payload.CurrentInputMode;
_playerInfo.DefaultInputMode = payload.DefaultInputMode;
_playerInfo.DeviceModel = payload.DeviceModel;
_playerInfo.DeviceOS = payload.DeviceOS;
_playerInfo.GameVersion = payload.GameVersion;
_playerInfo.GuiScale = payload.GuiScale;
_playerInfo.ServerAddress = payload.ServerAddress;
_playerInfo.UIProfile = payload.UIProfile;
_playerInfo.Skin = new Skin()
{
SkinType = payload.SkinId,
Texture = Convert.FromBase64String((string)payload.SkinData),
};
}
catch (Exception e)
{
Log.Error("Skin info", e);
}
}
{
if (Log.IsDebugEnabled)
{
Log.Debug("Input JSON string: " + certificateChain);
}
dynamic json = JObject.Parse(certificateChain);
if (Log.IsDebugEnabled)
{
Log.Debug($"JSON:\n{json}");
}
string validationKey = null;
foreach (dynamic o in json.chain)
{
IDictionary <string, dynamic> headers = JWT.Headers(o.ToString());
if (Log.IsDebugEnabled)
{
Log.Debug("Raw chain element:\n" + o.ToString());
Log.Debug($"JWT Header: {string.Join(";", headers)}");
dynamic jsonPayload = JObject.Parse(JWT.Payload(o.ToString()));
Log.Debug($"JWT Payload:\n{jsonPayload}");
}
// x5u cert (string): MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE8ELkixyLcwlZryUQcu1TvPOmI2B7vX83ndnWRUaXm74wFfa5f/lwQNTfrLVHa2PmenpGI6JhIMUJaWZrjmMj90NoKNFSNBuKdm8rYiXsfaz3K36x/1U26HpG0ZxK/V1V
if (headers.ContainsKey("x5u"))
{
string certString = headers["x5u"];
if (Log.IsDebugEnabled)
{
Log.Debug($"x5u cert (string): {certString}");
ECDiffieHellmanPublicKey publicKey = CryptoUtils.CreateEcDiffieHellmanPublicKey(certString);
Log.Debug($"Cert:\n{publicKey.ToXmlString()}");
}
// Validate
CngKey newKey = CryptoUtils.ImportECDsaCngKeyFromString(certString);
CertificateData data = JWT.Decode <CertificateData>(o.ToString(), newKey);
if (data != null)
{
if (Log.IsDebugEnabled)
{
Log.Debug("Decoded token success");
}
if (CertificateData.MojangRootKey.Equals(certString, StringComparison.InvariantCultureIgnoreCase))
{
Log.Debug("Got Mojang key. Is valid = " + data.CertificateAuthority);
validationKey = data.IdentityPublicKey;
}
else if (validationKey != null && validationKey.Equals(certString, StringComparison.InvariantCultureIgnoreCase))
{
_playerInfo.CertificateData = data;
}
else
{
if (data.ExtraData == null)
{
continue;
}
// Self signed, make sure they don't fake XUID
if (data.ExtraData.Xuid != null)
{
Log.Warn("Received fake XUID from " + data.ExtraData.DisplayName);
data.ExtraData.Xuid = null;
}
_playerInfo.CertificateData = data;
}
}
else
{
Log.Error("Not a valid Identity Public Key for decoding");
}
}
}
//TODO: Implement disconnect here
{
_playerInfo.Username = _playerInfo.CertificateData.ExtraData.DisplayName;
_session.Username = _playerInfo.Username;
string identity = _playerInfo.CertificateData.ExtraData.Identity;
if (Log.IsDebugEnabled)
{
Log.Debug($"Connecting user {_playerInfo.Username} with identity={identity}");
}
_playerInfo.ClientUuid = new UUID(identity);
_session.CryptoContext = new CryptoContext
{
UseEncryption = Config.GetProperty("UseEncryptionForAll", false) || (Config.GetProperty("UseEncryption", true) && !string.IsNullOrWhiteSpace(_playerInfo.CertificateData.ExtraData.Xuid)),
};
if (_session.CryptoContext.UseEncryption)
{
ECDiffieHellmanPublicKey publicKey = CryptoUtils.CreateEcDiffieHellmanPublicKey(_playerInfo.CertificateData.IdentityPublicKey);
if (Log.IsDebugEnabled)
{
Log.Debug($"Cert:\n{publicKey.ToXmlString()}");
}
// Create shared shared secret
ECDiffieHellmanCng ecKey = new ECDiffieHellmanCng(384);
ecKey.HashAlgorithm = CngAlgorithm.Sha256;
ecKey.KeyDerivationFunction = ECDiffieHellmanKeyDerivationFunction.Hash;
ecKey.SecretPrepend = Encoding.UTF8.GetBytes("RANDOM SECRET"); // Server token
byte[] secret = ecKey.DeriveKeyMaterial(publicKey);
if (Log.IsDebugEnabled)
{
Log.Debug($"SECRET KEY (b64):\n{Convert.ToBase64String(secret)}");
}
{
RijndaelManaged rijAlg = new RijndaelManaged
{
BlockSize = 128,
Padding = PaddingMode.None,
Mode = CipherMode.CFB,
FeedbackSize = 8,
Key = secret,
IV = secret.Take(16).ToArray(),
};
// Create a decrytor to perform the stream transform.
ICryptoTransform decryptor = rijAlg.CreateDecryptor(rijAlg.Key, rijAlg.IV);
MemoryStream inputStream = new MemoryStream();
CryptoStream cryptoStreamIn = new CryptoStream(inputStream, decryptor, CryptoStreamMode.Read);
ICryptoTransform encryptor = rijAlg.CreateEncryptor(rijAlg.Key, rijAlg.IV);
MemoryStream outputStream = new MemoryStream();
CryptoStream cryptoStreamOut = new CryptoStream(outputStream, encryptor, CryptoStreamMode.Write);
_session.CryptoContext.Algorithm = rijAlg;
_session.CryptoContext.Decryptor = decryptor;
_session.CryptoContext.Encryptor = encryptor;
_session.CryptoContext.InputStream = inputStream;
_session.CryptoContext.OutputStream = outputStream;
_session.CryptoContext.CryptoStreamIn = cryptoStreamIn;
_session.CryptoContext.CryptoStreamOut = cryptoStreamOut;
}
var response = McpeServerToClientHandshake.CreateObject();
response.NoBatch = true;
response.ForceClear = true;
response.serverPublicKey = Convert.ToBase64String(ecKey.PublicKey.GetDerEncoded());
response.tokenLength = (short)ecKey.SecretPrepend.Length;
response.token = ecKey.SecretPrepend;
_session.SendPackage(response);
if (Log.IsDebugEnabled)
{
Log.Warn($"Encryption enabled for {_session.Username}");
}
}
}
}
if (!_session.CryptoContext.UseEncryption)
{
_session.MessageHandler.HandleMcpeClientToServerHandshake(null);
}
}
catch (Exception e)
{
Log.Error("Decrypt", e);
}
}
public virtual void HandleMcpeLogin(McpeLogin message)
{
//Disconnect("Este servidor ya no existe. Por favor, conecta a " + ChatColors.Aqua + "play.bladestorm.net" + ChatColors.White + " para seguir jugando.");
////Disconnect("This server is closed. Please connect to " + ChatColors.Aqua + "play.bladestorm.net" + ChatColors.White + " to continue playing.");
//return;
// Only one login!
lock (_loginSyncLock)
{
if (_session.Username != null)
{
Log.Info($"Player {_session.Username} doing multiple logins");
return; // Already doing login
}
_session.Username = string.Empty;
}
if (message.protocolVersion != 81)
{
_session.Disconnect($"Wrong version ({message.protocolVersion}) of Minecraft Pocket Edition, please upgrade.");
return;
}
// THIS counter exist to protect the level from being swamped with player list add
// attempts during startup (normally).
DecodeCert(message);
//if (!message.username.Equals("gurun") && !message.username.Equals("TruDan") && !message.username.Equals("Morehs"))
//{
// if (serverInfo.NumberOfPlayers > serverInfo.MaxNumberOfPlayers)
// {
// Disconnect("Too many players (" + serverInfo.NumberOfPlayers + ") at this time, please try again.");
// return;
// }
// // Use for loadbalance only right now.
// if (serverInfo.ConnectionsInConnectPhase > serverInfo.MaxNumberOfConcurrentConnects)
// {
// Disconnect("Too many concurrent logins (" + serverInfo.ConnectionsInConnectPhase + "), please try again.");
// return;
// }
//}
//if (message.username == null || message.username.Trim().Length == 0 || !Regex.IsMatch(message.username, "^[A-Za-z0-9_-]{3,56}$"))
//{
// Disconnect("Invalid username.");
// return;
//}
////string fileName = Path.GetTempPath() + "Skin_" + Skin.SkinType + ".png";
////Log.Info($"Writing skin to filename: {fileName}");
////Skin.SaveTextureToFile(fileName, Skin.Texture);
}
