public static void HandleWarpControl(ClientObject client, byte[] messageData)
        {
            ServerMessage newMessage = new ServerMessage();

            newMessage.type = ServerMessageType.WARP_CONTROL;
            newMessage.data = messageData;
            using (MessageReader mr = new MessageReader(messageData))
            {
                WarpMessageType warpType   = (WarpMessageType)mr.Read <int>();
                string          fromPlayer = mr.Read <string>();
                if (fromPlayer == client.playerName)
                {
                    if (warpType == WarpMessageType.NEW_SUBSPACE)
                    {
                        int newSubspaceID = mr.Read <int>();
                        if (subspaces.ContainsKey(newSubspaceID))
                        {
                            DarkLog.Debug("Kicked for trying to create an existing subspace");
                            Messages.ConnectionEnd.SendConnectionEnd(client, "Kicked for trying to create an existing subspace");
                            return;
                        }
                        else
                        {
                            Subspace newSubspace = new Subspace();
                            newSubspace.serverClock   = mr.Read <long>();
                            newSubspace.planetTime    = mr.Read <double>();
                            newSubspace.subspaceSpeed = mr.Read <float>();
                            subspaces.Add(newSubspaceID, newSubspace);
                            client.subspace = newSubspaceID;
                            SaveLatestSubspace();
                        }
                    }
                    if (warpType == WarpMessageType.CHANGE_SUBSPACE)
                    {
                        client.subspace = mr.Read <int>();
                    }
                    if (warpType == WarpMessageType.REPORT_RATE)
                    {
                        int reportedSubspace = mr.Read <int>();
                        if (client.subspace != reportedSubspace)
                        {
                            DarkLog.Debug("Warning, setting client " + client.playerName + " to subspace " + client.subspace);
                            client.subspace = reportedSubspace;
                        }
                        float newSubspaceRate = mr.Read <float>();
                        client.subspaceRate = newSubspaceRate;
                        foreach (ClientObject otherClient in ClientHandler.GetClients())
                        {
                            if (otherClient.authenticated && otherClient.subspace == reportedSubspace)
                            {
                                if (newSubspaceRate > otherClient.subspaceRate)
                                {
                                    newSubspaceRate = otherClient.subspaceRate;
                                }
                            }
                        }
                        if (newSubspaceRate < 0.3f)
                        {
                            newSubspaceRate = 0.3f;
                        }
                        if (newSubspaceRate > 1f)
                        {
                            newSubspaceRate = 1f;
                        }
                        //Relock the subspace if the rate is more than 3% out of the average
                        if (Math.Abs(subspaces[reportedSubspace].subspaceSpeed - newSubspaceRate) > 0.03f)
                        {
                            UpdateSubspace(reportedSubspace);
                            subspaces[reportedSubspace].subspaceSpeed = newSubspaceRate;
                            ServerMessage relockMessage = new ServerMessage();
                            relockMessage.type = ServerMessageType.WARP_CONTROL;
                            using (MessageWriter mw = new MessageWriter())
                            {
                                mw.Write <int>((int)WarpMessageType.RELOCK_SUBSPACE);
                                mw.Write <string>(Settings.settingsStore.consoleIdentifier);
                                mw.Write <int>(reportedSubspace);
                                mw.Write <long>(subspaces[reportedSubspace].serverClock);
                                mw.Write <double>(subspaces[reportedSubspace].planetTime);
                                mw.Write <float>(subspaces[reportedSubspace].subspaceSpeed);
                                relockMessage.data = mw.GetMessageBytes();
                            }
                            SaveLatestSubspace();
                            //DarkLog.Debug("Subspace " + client.subspace + " locked to " + newSubspaceRate + "x speed.");
                            ClientHandler.SendToClient(client, relockMessage, true);
                            ClientHandler.SendToAll(client, relockMessage, true);
                        }
                    }
                }
                else
                {
                    DarkLog.Debug(client.playerName + " tried to send an update for " + fromPlayer + ", kicking.");
                    Messages.ConnectionEnd.SendConnectionEnd(client, "Kicked for sending an update for another player");
                    return;
                }
            }
            ClientHandler.SendToAll(client, newMessage, true);
        }
Beispiel #2
0
        public static void HandleFlagSync(ClientObject client, byte[] messageData)
        {
            string flagPath = Path.Combine(Server.universeDirectory, "Flags");

            using (MessageReader mr = new MessageReader(messageData))
            {
                FlagMessageType messageType = (FlagMessageType)mr.Read <int>();
                string          playerName  = mr.Read <string>();
                if (playerName != client.playerName)
                {
                    Messages.ConnectionEnd.SendConnectionEnd(client, "Kicked for sending a flag for another player");
                    return;
                }
                switch (messageType)
                {
                case FlagMessageType.LIST:
                {
                    //Send the list back
                    List <string> serverFlagFileNames = new List <string>();
                    List <string> serverFlagOwners    = new List <string>();
                    List <string> serverFlagShaSums   = new List <string>();

                    string[] clientFlags    = mr.Read <string[]>();
                    string[] clientFlagShas = mr.Read <string[]>();
                    string[] serverFlags    = Directory.GetFiles(flagPath, "*", SearchOption.AllDirectories);
                    foreach (string serverFlag in serverFlags)
                    {
                        string trimmedName   = Path.GetFileName(serverFlag);
                        string flagOwnerPath = Path.GetDirectoryName(serverFlag);
                        string flagOwner     = flagOwnerPath.Substring(Path.GetDirectoryName(flagOwnerPath).Length + 1);
                        bool   isMatched     = false;
                        bool   shaDifferent  = false;
                        for (int i = 0; i < clientFlags.Length; i++)
                        {
                            if (clientFlags[i].ToLower() == trimmedName.ToLower())
                            {
                                isMatched    = true;
                                shaDifferent = (Common.CalculateSHA256Hash(serverFlag) != clientFlagShas[i]);
                            }
                        }
                        if (!isMatched || shaDifferent)
                        {
                            if (flagOwner == client.playerName)
                            {
                                DarkLog.Debug("Deleting flag " + trimmedName);
                                File.Delete(serverFlag);
                                ServerMessage newMessage = new ServerMessage();
                                newMessage.type = ServerMessageType.FLAG_SYNC;
                                using (MessageWriter mw = new MessageWriter())
                                {
                                    mw.Write <int>((int)FlagMessageType.DELETE_FILE);
                                    mw.Write <string>(trimmedName);
                                    newMessage.data = mw.GetMessageBytes();
                                    ClientHandler.SendToAll(client, newMessage, false);
                                }
                                if (Directory.GetFiles(flagOwnerPath).Length == 0)
                                {
                                    Directory.Delete(flagOwnerPath);
                                }
                            }
                            else
                            {
                                DarkLog.Debug("Sending flag " + serverFlag + " from " + flagOwner + " to " + client.playerName);
                                ServerMessage newMessage = new ServerMessage();
                                newMessage.type = ServerMessageType.FLAG_SYNC;
                                using (MessageWriter mw = new MessageWriter())
                                {
                                    mw.Write <int>((int)FlagMessageType.FLAG_DATA);
                                    mw.Write <string>(flagOwner);
                                    mw.Write <string>(trimmedName);
                                    mw.Write <byte[]>(File.ReadAllBytes(serverFlag));
                                    newMessage.data = mw.GetMessageBytes();
                                    ClientHandler.SendToClient(client, newMessage, false);
                                }
                            }
                        }
                        //Don't tell the client we have a different copy of the flag so it is reuploaded
                        if (File.Exists(serverFlag))
                        {
                            serverFlagFileNames.Add(trimmedName);
                            serverFlagOwners.Add(flagOwner);
                            serverFlagShaSums.Add(Common.CalculateSHA256Hash(serverFlag));
                        }
                    }
                    ServerMessage listMessage = new ServerMessage();
                    listMessage.type = ServerMessageType.FLAG_SYNC;
                    using (MessageWriter mw2 = new MessageWriter())
                    {
                        mw2.Write <int>((int)FlagMessageType.LIST);
                        mw2.Write <string[]>(serverFlagFileNames.ToArray());
                        mw2.Write <string[]>(serverFlagOwners.ToArray());
                        mw2.Write <string[]>(serverFlagShaSums.ToArray());
                        listMessage.data = mw2.GetMessageBytes();
                    }
                    ClientHandler.SendToClient(client, listMessage, false);
                }
                break;

                case FlagMessageType.DELETE_FILE:
                {
                    string flagName       = mr.Read <string>();
                    string playerFlagPath = Path.Combine(flagPath, client.playerName);
                    if (Directory.Exists(playerFlagPath))
                    {
                        string flagFile = Path.Combine(playerFlagPath, flagName);
                        if (File.Exists(flagFile))
                        {
                            File.Delete(flagFile);
                        }
                        if (Directory.GetFiles(playerFlagPath).Length == 0)
                        {
                            Directory.Delete(playerFlagPath);
                        }
                    }
                    ServerMessage newMessage = new ServerMessage();
                    newMessage.type = ServerMessageType.FLAG_SYNC;
                    using (MessageWriter mw = new MessageWriter())
                    {
                        mw.Write <int>((int)FlagMessageType.DELETE_FILE);
                        mw.Write <string>(flagName);
                        newMessage.data = mw.GetMessageBytes();
                    }
                    ClientHandler.SendToAll(client, newMessage, false);
                }
                break;

                case FlagMessageType.UPLOAD_FILE:
                {
                    string flagName       = mr.Read <string>();
                    byte[] flagData       = mr.Read <byte[]>();
                    string playerFlagPath = Path.Combine(flagPath, client.playerName);
                    if (!Directory.Exists(playerFlagPath))
                    {
                        Directory.CreateDirectory(playerFlagPath);
                    }
                    DarkLog.Debug("Saving flag " + flagName + " from " + client.playerName);
                    File.WriteAllBytes(Path.Combine(playerFlagPath, flagName), flagData);
                    ServerMessage newMessage = new ServerMessage();
                    newMessage.type = ServerMessageType.FLAG_SYNC;
                    using (MessageWriter mw = new MessageWriter())
                    {
                        mw.Write <int>((int)FlagMessageType.FLAG_DATA);
                        mw.Write <string>(client.playerName);
                        mw.Write <string>(flagName);
                        mw.Write <byte[]>(flagData);
                    }
                    ClientHandler.SendToAll(client, newMessage, false);
                }
                break;
                }
            }
        }
        public static void HandleScreenshotLibrary(ClientObject client, byte[] messageData)
        {
            string screenshotDirectory = Path.Combine(Server.universeDirectory, "Screenshots");

            if (Settings.settingsStore.screenshotDirectory != "")
            {
                if (Directory.Exists(Settings.settingsStore.screenshotDirectory))
                {
                    screenshotDirectory = Settings.settingsStore.screenshotDirectory;
                }
            }
            if (!Directory.Exists(screenshotDirectory))
            {
                Directory.CreateDirectory(screenshotDirectory);
            }
            ServerMessage newMessage = new ServerMessage();

            newMessage.type = ServerMessageType.SCREENSHOT_LIBRARY;
            using (MessageReader mr = new MessageReader(messageData))
            {
                ScreenshotMessageType messageType = (ScreenshotMessageType)mr.Read <int>();
                string fromPlayer = mr.Read <string>();
                switch (messageType)
                {
                case ScreenshotMessageType.SCREENSHOT:
                {
                    if (Settings.settingsStore.screenshotsPerPlayer > -1)
                    {
                        string playerScreenshotDirectory = Path.Combine(screenshotDirectory, fromPlayer);
                        if (!Directory.Exists(playerScreenshotDirectory))
                        {
                            Directory.CreateDirectory(playerScreenshotDirectory);
                        }
                        string screenshotFile = Path.Combine(playerScreenshotDirectory, DateTime.Now.ToString("yyyy-MM-dd HH-mm-ss") + ".png");
                        DarkLog.Debug("Saving screenshot from " + fromPlayer);

                        byte[] screenshotData = mr.Read <byte[]>();

                        File.WriteAllBytes(screenshotFile, screenshotData);
                        if (Settings.settingsStore.screenshotsPerPlayer != 0)
                        {
                            while (Directory.GetFiles(playerScreenshotDirectory).Length > Settings.settingsStore.screenshotsPerPlayer)
                            {
                                string[] currentFiles = Directory.GetFiles(playerScreenshotDirectory);
                                string   deleteFile   = currentFiles[0];
                                //Find oldest file
                                foreach (string testFile in currentFiles)
                                {
                                    if (File.GetCreationTime(testFile) < File.GetCreationTime(deleteFile))
                                    {
                                        deleteFile = testFile;
                                    }
                                }
                                File.Delete(deleteFile);
                                DarkLog.Debug("Removing old screenshot " + Path.GetFileName(deleteFile));
                            }
                        }

                        //Notify players that aren't watching that there's a new screenshot availabe. This only works if there's a file available on the server.
                        //The server does not keep the screenshots in memory.
                        ServerMessage notifyMessage = new ServerMessage();
                        notifyMessage.type = ServerMessageType.SCREENSHOT_LIBRARY;
                        using (MessageWriter mw = new MessageWriter())
                        {
                            mw.Write <int>((int)ScreenshotMessageType.NOTIFY);
                            mw.Write(fromPlayer);
                            notifyMessage.data = mw.GetMessageBytes();
                            ClientHandler.SendToAll(client, notifyMessage, false);
                        }
                    }
                    if (!playerUploadedScreenshotIndex.ContainsKey(fromPlayer))
                    {
                        playerUploadedScreenshotIndex.Add(fromPlayer, 0);
                    }
                    else
                    {
                        playerUploadedScreenshotIndex[fromPlayer]++;
                    }
                    if (!playerDownloadedScreenshotIndex.ContainsKey(fromPlayer))
                    {
                        playerDownloadedScreenshotIndex.Add(fromPlayer, new Dictionary <string, int>());
                    }
                    if (!playerDownloadedScreenshotIndex[fromPlayer].ContainsKey(fromPlayer))
                    {
                        playerDownloadedScreenshotIndex[fromPlayer].Add(fromPlayer, playerUploadedScreenshotIndex[fromPlayer]);
                    }
                    else
                    {
                        playerDownloadedScreenshotIndex[fromPlayer][fromPlayer] = playerUploadedScreenshotIndex[fromPlayer];
                    }
                    newMessage.data = messageData;
                    foreach (KeyValuePair <string, string> entry in playerWatchScreenshot)
                    {
                        if (entry.Key != fromPlayer)
                        {
                            if (entry.Value == fromPlayer && entry.Key != client.playerName)
                            {
                                ClientObject toClient = ClientHandler.GetClientByName(entry.Key);
                                if (toClient != null && toClient != client)
                                {
                                    if (!playerDownloadedScreenshotIndex.ContainsKey(entry.Key))
                                    {
                                        playerDownloadedScreenshotIndex.Add(entry.Key, new Dictionary <string, int>());
                                    }
                                    if (!playerDownloadedScreenshotIndex[entry.Key].ContainsKey(fromPlayer))
                                    {
                                        playerDownloadedScreenshotIndex[entry.Key].Add(fromPlayer, 0);
                                    }
                                    playerDownloadedScreenshotIndex[entry.Key][fromPlayer] = playerUploadedScreenshotIndex[fromPlayer];
                                    DarkLog.Debug("Sending screenshot from " + fromPlayer + " to " + entry.Key);
                                    using (MessageWriter mw = new MessageWriter())
                                    {
                                        ServerMessage sendStartMessage = new ServerMessage();
                                        sendStartMessage.type = ServerMessageType.SCREENSHOT_LIBRARY;
                                        mw.Write <int>((int)ScreenshotMessageType.SEND_START_NOTIFY);
                                        mw.Write <string>(fromPlayer);
                                        sendStartMessage.data = mw.GetMessageBytes();
                                        ClientHandler.SendToClient(toClient, sendStartMessage, true);
                                    }
                                    ClientHandler.SendToClient(toClient, newMessage, false);
                                }
                            }
                        }
                    }
                }
                break;

                case ScreenshotMessageType.WATCH:
                {
                    newMessage.data = messageData;
                    string watchPlayer = mr.Read <string>();
                    if (watchPlayer == "")
                    {
                        if (playerWatchScreenshot.ContainsKey(fromPlayer))
                        {
                            DarkLog.Debug(fromPlayer + " is no longer watching screenshots from " + playerWatchScreenshot[fromPlayer]);
                            playerWatchScreenshot.Remove(fromPlayer);
                        }
                    }
                    else
                    {
                        DarkLog.Debug(fromPlayer + " is watching screenshots from " + watchPlayer);
                        playerWatchScreenshot[fromPlayer] = watchPlayer;
                        if (!playerDownloadedScreenshotIndex.ContainsKey(fromPlayer))
                        {
                            playerDownloadedScreenshotIndex.Add(fromPlayer, new Dictionary <string, int>());
                        }
                        string watchPlayerScreenshotDirectory = Path.Combine(screenshotDirectory, watchPlayer);
                        //Find latest screenshot
                        string sendFile = null;
                        if (Directory.Exists(watchPlayerScreenshotDirectory))
                        {
                            string[] playerScreenshots = Directory.GetFiles(watchPlayerScreenshotDirectory);
                            if (playerScreenshots.Length > 0)
                            {
                                sendFile = playerScreenshots[0];
                                foreach (string testFile in playerScreenshots)
                                {
                                    if (File.GetCreationTime(testFile) > File.GetCreationTime(sendFile))
                                    {
                                        sendFile = testFile;
                                    }
                                }
                                if (!playerUploadedScreenshotIndex.ContainsKey(watchPlayer))
                                {
                                    playerUploadedScreenshotIndex.Add(watchPlayer, 0);
                                }
                            }
                        }
                        //Send screenshot if needed
                        if (sendFile != null)
                        {
                            bool sendScreenshot = false;
                            if (!playerDownloadedScreenshotIndex[fromPlayer].ContainsKey(watchPlayer))
                            {
                                playerDownloadedScreenshotIndex[fromPlayer].Add(watchPlayer, playerUploadedScreenshotIndex[watchPlayer]);
                                sendScreenshot = true;
                            }
                            else
                            {
                                if (playerDownloadedScreenshotIndex[fromPlayer][watchPlayer] != playerUploadedScreenshotIndex[watchPlayer])
                                {
                                    sendScreenshot = true;
                                    playerDownloadedScreenshotIndex[fromPlayer][watchPlayer] = playerUploadedScreenshotIndex[watchPlayer];
                                }
                            }
                            if (sendScreenshot)
                            {
                                ServerMessage sendStartMessage = new ServerMessage();
                                sendStartMessage.type = ServerMessageType.SCREENSHOT_LIBRARY;
                                using (MessageWriter mw = new MessageWriter())
                                {
                                    mw.Write <int>((int)ScreenshotMessageType.SEND_START_NOTIFY);
                                    mw.Write <string>(fromPlayer);
                                    sendStartMessage.data = mw.GetMessageBytes();
                                }
                                ServerMessage screenshotMessage = new ServerMessage();
                                screenshotMessage.type = ServerMessageType.SCREENSHOT_LIBRARY;
                                using (MessageWriter mw = new MessageWriter())
                                {
                                    mw.Write <int>((int)ScreenshotMessageType.SCREENSHOT);
                                    mw.Write <string>(watchPlayer);
                                    mw.Write <byte[]>(File.ReadAllBytes(sendFile));
                                    screenshotMessage.data = mw.GetMessageBytes();
                                }
                                ClientObject toClient = ClientHandler.GetClientByName(fromPlayer);
                                if (toClient != null)
                                {
                                    DarkLog.Debug("Sending saved screenshot from " + watchPlayer + " to " + fromPlayer);
                                    ClientHandler.SendToClient(toClient, sendStartMessage, false);
                                    ClientHandler.SendToClient(toClient, screenshotMessage, false);
                                }
                            }
                        }
                    }
                    //Relay the message
                    ClientHandler.SendToAll(client, newMessage, false);
                }
                break;
                }
            }
        }
        public static void HandleLockSystemMessage(ClientObject client, byte[] messageData)
        {
            using (MessageReader mr = new MessageReader(messageData))
            {
                //All of the messages need replies, let's create a message for it.
                ServerMessage newMessage = new ServerMessage();
                newMessage.type = ServerMessageType.LOCK_SYSTEM;
                //Read the lock-system message type
                LockMessageType lockMessageType = (LockMessageType)mr.Read <int>();
                switch (lockMessageType)
                {
                case LockMessageType.ACQUIRE:
                {
                    string playerName = mr.Read <string>();
                    string lockName   = mr.Read <string>();
                    bool   force      = mr.Read <bool>();
                    if (playerName != client.playerName)
                    {
                        Messages.ConnectionEnd.SendConnectionEnd(client, "Kicked for sending a lock message for another player");
                    }

                    bool lockResult = DarkMultiPlayerServer.LockSystem.fetch.AcquireLock(lockName, playerName, force);
                    using (MessageWriter mw = new MessageWriter())
                    {
                        mw.Write((int)LockMessageType.ACQUIRE);
                        mw.Write(playerName);
                        mw.Write(lockName);
                        mw.Write(lockResult);
                        newMessage.data = mw.GetMessageBytes();
                    }
                    //Send to all clients
                    ClientHandler.SendToAll(null, newMessage, true);
                    if (lockResult)
                    {
                        DarkLog.Debug(playerName + " acquired lock " + lockName);
                    }
                    else
                    {
                        DarkLog.Debug(playerName + " failed to acquire lock " + lockName);
                    }
                }
                break;

                case LockMessageType.RELEASE:
                {
                    string playerName = mr.Read <string>();
                    string lockName   = mr.Read <string>();
                    if (playerName != client.playerName)
                    {
                        Messages.ConnectionEnd.SendConnectionEnd(client, "Kicked for sending a lock message for another player");
                    }
                    bool lockResult = DarkMultiPlayerServer.LockSystem.fetch.ReleaseLock(lockName, playerName);
                    if (!lockResult)
                    {
                        Messages.ConnectionEnd.SendConnectionEnd(client, "Kicked for releasing a lock you do not own");
                    }
                    else
                    {
                        using (MessageWriter mw = new MessageWriter())
                        {
                            mw.Write((int)LockMessageType.RELEASE);
                            mw.Write(playerName);
                            mw.Write(lockName);
                            mw.Write(lockResult);
                            newMessage.data = mw.GetMessageBytes();
                        }
                        //Send to all clients
                        ClientHandler.SendToAll(null, newMessage, true);
                    }
                    if (lockResult)
                    {
                        DarkLog.Debug(playerName + " released lock " + lockName);
                    }
                    else
                    {
                        DarkLog.Debug(playerName + " failed to release lock " + lockName);
                    }
                }
                break;
                }
            }
        }
Beispiel #5
0
        public static void HandleChatMessage(ClientObject client, byte[] messageData)
        {
            ServerMessage newMessage = new ServerMessage();

            newMessage.type = ServerMessageType.CHAT_MESSAGE;
            newMessage.data = messageData;
            using (MessageReader mr = new MessageReader(messageData))
            {
                ChatMessageType messageType = (ChatMessageType)mr.Read <int>();
                string          fromPlayer  = mr.Read <string>();
                if (fromPlayer != client.playerName)
                {
                    Messages.ConnectionEnd.SendConnectionEnd(client, "Kicked for sending a chat message for another player");
                    return;
                }
                switch (messageType)
                {
                case ChatMessageType.JOIN:
                {
                    string joinChannel = mr.Read <string>();
                    if (!playerChatChannels.ContainsKey(fromPlayer))
                    {
                        playerChatChannels.Add(fromPlayer, new List <string>());
                    }
                    if (!playerChatChannels[fromPlayer].Contains(joinChannel))
                    {
                        playerChatChannels[fromPlayer].Add(joinChannel);
                    }
                    DarkLog.Debug(fromPlayer + " joined channel: " + joinChannel);
                }
                    ClientHandler.SendToAll(client, newMessage, true);
                    break;

                case ChatMessageType.LEAVE:
                {
                    string leaveChannel = mr.Read <string>();
                    if (playerChatChannels.ContainsKey(fromPlayer))
                    {
                        if (playerChatChannels[fromPlayer].Contains(leaveChannel))
                        {
                            playerChatChannels[fromPlayer].Remove(leaveChannel);
                        }
                        if (playerChatChannels[fromPlayer].Count == 0)
                        {
                            playerChatChannels.Remove(fromPlayer);
                        }
                    }
                    DarkLog.Debug(fromPlayer + " left channel: " + leaveChannel);
                }
                    ClientHandler.SendToAll(client, newMessage, true);
                    break;

                case ChatMessageType.CHANNEL_MESSAGE:
                {
                    string channel = mr.Read <string>();
                    string message = mr.Read <string>();
                    if (channel != "")
                    {
                        foreach (KeyValuePair <string, List <string> > playerEntry in playerChatChannels)
                        {
                            if (playerEntry.Value.Contains(channel))
                            {
                                ClientObject findClient = ClientHandler.GetClientByName(playerEntry.Key);
                                if (findClient != null)
                                {
                                    ClientHandler.SendToClient(findClient, newMessage, true);
                                }
                            }
                        }
                        DarkLog.ChatMessage(fromPlayer + " -> #" + channel + ": " + message);
                    }
                    else
                    {
                        ClientHandler.SendToClient(client, newMessage, true);
                        ClientHandler.SendToAll(client, newMessage, true);
                        DarkLog.ChatMessage(fromPlayer + " -> #Global: " + message);
                    }
                }
                break;

                case ChatMessageType.PRIVATE_MESSAGE:
                {
                    string toPlayer = mr.Read <string>();
                    string message  = mr.Read <string>();
                    if (toPlayer != Settings.settingsStore.consoleIdentifier)
                    {
                        ClientObject findClient = ClientHandler.GetClientByName(toPlayer);
                        if (findClient != null)
                        {
                            ClientHandler.SendToClient(client, newMessage, true);
                            ClientHandler.SendToClient(findClient, newMessage, true);
                            DarkLog.ChatMessage(fromPlayer + " -> @" + toPlayer + ": " + message);
                        }
                        {
                            DarkLog.ChatMessage(fromPlayer + " -X-> @" + toPlayer + ": " + message);
                        }
                    }
                    else
                    {
                        ClientHandler.SendToClient(client, newMessage, true);
                        DarkLog.ChatMessage(fromPlayer + " -> @" + toPlayer + ": " + message);
                    }
                }
                break;

                case ChatMessageType.CONSOLE_MESSAGE:
                {
                    string message = mr.Read <string>();
                    if (client.authenticated && DarkMultiPlayerServer.AdminSystem.fetch.IsAdmin(client.playerName))
                    {
                        CommandHandler.HandleServerInput(message);
                    }
                    else
                    {
                        Messages.ConnectionEnd.SendConnectionEnd(client, "Kicked for sending a console command as a non-admin player.");
                    }
                }
                break;
                }
            }
        }
        public static void SendCraftList(ClientObject client)
        {
            int    numberOfCrafts = 0;
            string craftDirectory = Path.Combine(Server.universeDirectory, "Crafts");

            if (!Directory.Exists(craftDirectory))
            {
                Directory.CreateDirectory(craftDirectory);
            }
            string[] players = Directory.GetDirectories(craftDirectory);
            for (int i = 0; i < players.Length; i++)
            {
                players[i] = players[i].Substring(players[i].LastIndexOf(Path.DirectorySeparatorChar) + 1);
            }
            ServerMessage newMessage = new ServerMessage();

            newMessage.type = ServerMessageType.CRAFT_LIBRARY;
            using (MessageWriter mw = new MessageWriter())
            {
                mw.Write <int>((int)CraftMessageType.LIST);
                mw.Write <string[]>(players);
                foreach (string player in players)
                {
                    string playerPath        = Path.Combine(craftDirectory, player);
                    string vabPath           = Path.Combine(playerPath, "VAB");
                    string sphPath           = Path.Combine(playerPath, "SPH");
                    string subassemblyPath   = Path.Combine(playerPath, "SUBASSEMBLY");
                    bool   vabExists         = Directory.Exists(vabPath);
                    bool   sphExists         = Directory.Exists(sphPath);
                    bool   subassemblyExists = Directory.Exists(subassemblyPath);
                    mw.Write <bool>(vabExists);
                    mw.Write <bool>(sphExists);
                    mw.Write <bool>(subassemblyExists);
                    if (vabExists)
                    {
                        string[] vabCraftNames = Directory.GetFiles(vabPath);
                        for (int i = 0; i < vabCraftNames.Length; i++)
                        {
                            //We only want the craft names
                            vabCraftNames[i] = Path.GetFileNameWithoutExtension(vabCraftNames[i]);
                            numberOfCrafts++;
                        }
                        mw.Write <string[]>(vabCraftNames);
                    }

                    if (sphExists)
                    {
                        string[] sphCraftNames = Directory.GetFiles(sphPath);
                        for (int i = 0; i < sphCraftNames.Length; i++)
                        {
                            //We only want the craft names
                            sphCraftNames[i] = Path.GetFileNameWithoutExtension(sphCraftNames[i]);
                            numberOfCrafts++;
                        }
                        mw.Write <string[]>(sphCraftNames);
                    }

                    if (subassemblyExists)
                    {
                        string[] subassemblyCraftNames = Directory.GetFiles(subassemblyPath);
                        for (int i = 0; i < subassemblyCraftNames.Length; i++)
                        {
                            //We only want the craft names
                            subassemblyCraftNames[i] = Path.GetFileNameWithoutExtension(subassemblyCraftNames[i]);
                            numberOfCrafts++;
                        }
                        mw.Write <string[]>(subassemblyCraftNames);
                    }
                }
                newMessage.data = mw.GetMessageBytes();
                ClientHandler.SendToClient(client, newMessage, true);
                DarkLog.Debug("Sending " + client.playerName + " " + numberOfCrafts + " craft library entries");
            }
        }
        public static void HandleCraftLibrary(ClientObject client, byte[] messageData)
        {
            using (MessageReader mr = new MessageReader(messageData))
            {
                CraftMessageType craftMessageType = (CraftMessageType)mr.Read <int>();
                string           fromPlayer       = mr.Read <string>();
                if (fromPlayer != client.playerName)
                {
                    Messages.ConnectionEnd.SendConnectionEnd(client, "Kicked for sending an craft library message for another player");
                    return;
                }
                switch (craftMessageType)
                {
                case CraftMessageType.UPLOAD_FILE:
                {
                    CraftType uploadType = (CraftType)mr.Read <int>();
                    string    uploadName = mr.Read <string>();
                    byte[]    uploadData = mr.Read <byte[]>();
                    string    playerPath = Path.Combine(Path.Combine(Server.universeDirectory, "Crafts"), fromPlayer);
                    if (!Directory.Exists(playerPath))
                    {
                        Directory.CreateDirectory(playerPath);
                    }
                    string typePath = Path.Combine(playerPath, uploadType.ToString());
                    if (!Directory.Exists(typePath))
                    {
                        Directory.CreateDirectory(typePath);
                    }
                    string craftFile = Path.Combine(typePath, uploadName + ".craft");
                    File.WriteAllBytes(craftFile, uploadData);
                    DarkLog.Debug("Saving " + uploadName + ", type: " + uploadType.ToString() + " from " + fromPlayer);
                    using (MessageWriter mw = new MessageWriter())
                    {
                        ServerMessage newMessage = new ServerMessage();
                        newMessage.type = ServerMessageType.CRAFT_LIBRARY;
                        mw.Write <int>((int)CraftMessageType.ADD_FILE);
                        mw.Write <string>(fromPlayer);
                        mw.Write <int>((int)uploadType);
                        mw.Write <string>(uploadName);
                        newMessage.data = mw.GetMessageBytes();
                        ClientHandler.SendToAll(client, newMessage, false);
                    }
                }
                break;

                case CraftMessageType.REQUEST_FILE:
                {
                    string    craftOwner    = mr.Read <string>();
                    CraftType requestedType = (CraftType)mr.Read <int>();
                    bool      hasCraft      = false;
                    string    requestedName = mr.Read <string>();
                    string    playerPath    = Path.Combine(Path.Combine(Server.universeDirectory, "Crafts"), craftOwner);
                    string    typePath      = Path.Combine(playerPath, requestedType.ToString());
                    string    craftFile     = Path.Combine(typePath, requestedName + ".craft");
                    if (Directory.Exists(playerPath))
                    {
                        if (Directory.Exists(typePath))
                        {
                            if (File.Exists(craftFile))
                            {
                                hasCraft = true;
                            }
                        }
                    }
                    ServerMessage newMessage = new ServerMessage();
                    newMessage.type = ServerMessageType.CRAFT_LIBRARY;
                    using (MessageWriter mw = new MessageWriter())
                    {
                        mw.Write <int>((int)CraftMessageType.RESPOND_FILE);
                        mw.Write <string>(craftOwner);
                        mw.Write <int>((int)requestedType);
                        mw.Write <string>(requestedName);
                        mw.Write <bool>(hasCraft);
                        if (hasCraft)
                        {
                            mw.Write <byte[]>(File.ReadAllBytes(craftFile));
                            DarkLog.Debug("Sending " + fromPlayer + " " + requestedName + " from " + craftOwner);
                        }
                        newMessage.data = mw.GetMessageBytes();
                    }
                    ClientHandler.SendToClient(client, newMessage, false);
                }
                break;

                case CraftMessageType.DELETE_FILE:
                {
                    CraftType craftType  = (CraftType)mr.Read <int>();
                    string    craftName  = mr.Read <string>();
                    string    playerPath = Path.Combine(Path.Combine(Server.universeDirectory, "Crafts"), fromPlayer);
                    string    typePath   = Path.Combine(playerPath, craftType.ToString());
                    string    craftFile  = Path.Combine(typePath, craftName + ".craft");
                    if (Directory.Exists(playerPath))
                    {
                        if (Directory.Exists(typePath))
                        {
                            if (File.Exists(craftFile))
                            {
                                File.Delete(craftFile);
                                DarkLog.Debug("Removing " + craftName + ", type: " + craftType.ToString() + " from " + fromPlayer);
                            }
                        }
                    }
                    if (Directory.Exists(playerPath))
                    {
                        if (Directory.GetFiles(typePath).Length == 0)
                        {
                            Directory.Delete(typePath);
                        }
                    }
                    if (Directory.GetDirectories(playerPath).Length == 0)
                    {
                        Directory.Delete(playerPath);
                    }
                    //Relay the delete message to other clients
                    ServerMessage newMessage = new ServerMessage();
                    newMessage.type = ServerMessageType.CRAFT_LIBRARY;
                    newMessage.data = messageData;
                    ClientHandler.SendToAll(client, newMessage, false);
                }
                break;
                }
            }
        }
Beispiel #8
0
        public static void HandleModpackMessage(ClientObject client, byte[] messageData)
        {
            if (messageData == null || messageData.Length == 0)
            {
                ConnectionEnd.SendConnectionEnd(client, "Invalid mod control message from client");
                return;
            }

            if (!client.authenticated)
            {
                ConnectionEnd.SendConnectionEnd(client, "Unauthenticated client tried to send modpack message");
            }

            using (MessageReader mr = new MessageReader(messageData))
            {
                ModpackDataMessageType type = (ModpackDataMessageType)mr.Read <int>();
                switch (type)
                {
                case ModpackDataMessageType.CKAN:
                {
                    if (!DarkMultiPlayerServer.AdminSystem.fetch.IsAdmin(client.playerName))
                    {
                        ConnectionEnd.SendConnectionEnd(client, "Kicked from the server, non admin " + client.playerName + " tried to upload modpack");
                        return;
                    }
                    if (Settings.settingsStore.modpackMode != ModpackMode.CKAN)
                    {
                        ConnectionEnd.SendConnectionEnd(client, "Please set server modpackMode to CKAN");
                        return;
                    }
                    byte[] fileBytes = mr.Read <byte[]>();
                    ModpackSystem.fetch.SaveCKANData(fileBytes);
                }
                break;

                case ModpackDataMessageType.MOD_LIST:
                {
                    if (!DarkMultiPlayerServer.AdminSystem.fetch.IsAdmin(client.playerName))
                    {
                        ConnectionEnd.SendConnectionEnd(client, "Kicked from the server, non admin " + client.playerName + " tried to upload modpack");
                        return;
                    }
                    if (Settings.settingsStore.modpackMode != ModpackMode.GAMEDATA)
                    {
                        ConnectionEnd.SendConnectionEnd(client, "Please set server modpackMode to GAMEDATA");
                        return;
                    }
                    DarkLog.Normal("Modpack uploaded from " + client.playerName);
                    string[] files = mr.Read <string[]>();
                    string[] sha   = mr.Read <string[]>();
                    ModpackSystem.fetch.HandleNewGameData(files, sha, client);
                }
                break;

                case ModpackDataMessageType.REQUEST_OBJECT:
                {
                    string[] sha256sums = mr.Read <string[]>();
                    ModpackSystem.fetch.HandleSendList(client, sha256sums);
                }
                break;

                case ModpackDataMessageType.RESPONSE_OBJECT:
                {
                    if (!DarkMultiPlayerServer.AdminSystem.fetch.IsAdmin(client.playerName))
                    {
                        ConnectionEnd.SendConnectionEnd(client, "Kicked from the server, non admin " + client.playerName + " tried to upload modpack");
                        return;
                    }
                    string sha256sum = mr.Read <string>();
                    if (mr.Read <bool>())
                    {
                        byte[] fileBytes = mr.Read <byte[]>();
                        DarkLog.Debug("Received object: " + sha256sum);
                        ModpackSystem.fetch.SaveModObject(fileBytes, sha256sum);
                    }
                    else
                    {
                        DarkLog.Normal("Failed to recieve: " + sha256sum);
                    }
                }
                break;

                case ModpackDataMessageType.MOD_DONE:
                {
                    if (!DarkMultiPlayerServer.AdminSystem.fetch.IsAdmin(client.playerName))
                    {
                        ConnectionEnd.SendConnectionEnd(client, "Kicked from the server, non admin " + client.playerName + " tried to upload modpack");
                        return;
                    }
                    //Has gamedata upload
                    if (mr.Read <bool>())
                    {
                        DarkLog.Debug("Mod control file updated");
                        byte[] newModControl = mr.Read <byte[]>();
                        File.WriteAllBytes(Server.modFile, newModControl);
                    }
                    ModpackSystem.fetch.HandleModDone();
                }
                break;
                }
            }
        }
        public static void HandleVesselProto(ClientObject client, byte[] messageData)
        {
            //TODO: Relay the message as is so we can optimize it
            //Send vessel
            using (MessageReader mr = new MessageReader(messageData))
            {
                //Don't care about planet time
                double planetTime              = mr.Read <double>();
                string vesselGuid              = mr.Read <string>();
                bool   isDockingUpdate         = mr.Read <bool>();
                bool   isFlyingUpdate          = mr.Read <bool>();
                byte[] possibleCompressedBytes = mr.Read <byte[]>();
                byte[] vesselData              = Compression.DecompressIfNeeded(possibleCompressedBytes);
                if (isFlyingUpdate)
                {
                    DarkLog.Debug("Relaying FLYING vessel " + vesselGuid + " from " + client.playerName);
                }
                else
                {
                    if (!isDockingUpdate)
                    {
                        DarkLog.Debug("Saving vessel " + vesselGuid + " from " + client.playerName);
                    }
                    else
                    {
                        DarkLog.Debug("Saving DOCKED vessel " + vesselGuid + " from " + client.playerName);
                    }
                    lock (Server.universeSizeLock)
                    {
                        File.WriteAllBytes(Path.Combine(Server.universeDirectory, "Vessels", vesselGuid + ".txt"), vesselData);
                    }
                }

                ServerMessage newCompressedMessage   = null;
                ServerMessage newDecompressedMessage = null;
                if (Compression.BytesAreCompressed(possibleCompressedBytes))
                {
                    //Relay compressed message
                    newCompressedMessage      = new ServerMessage();
                    newCompressedMessage.type = ServerMessageType.VESSEL_PROTO;
                    newCompressedMessage.data = messageData;
                    //Build decompressed message.
                    newDecompressedMessage      = new ServerMessage();
                    newDecompressedMessage.type = ServerMessageType.VESSEL_PROTO;
                    using (MessageWriter mw = new MessageWriter())
                    {
                        mw.Write <double>(planetTime);
                        mw.Write <string>(vesselGuid);
                        mw.Write <bool>(isDockingUpdate);
                        mw.Write <bool>(isFlyingUpdate);
                        mw.Write <byte[]>(Compression.AddCompressionHeader(vesselData, false));
                        newDecompressedMessage.data = mw.GetMessageBytes();
                    }
                }
                else
                {
                    //Relay decompressed message
                    newDecompressedMessage      = new ServerMessage();
                    newDecompressedMessage.type = ServerMessageType.VESSEL_PROTO;
                    newDecompressedMessage.data = messageData;
                    //Build compressed message if the message is over the threshold.
                    //This should only happen if the client has disabled compression.
                    if (vesselData.Length > Common.COMPRESSION_THRESHOLD)
                    {
                        newCompressedMessage      = new ServerMessage();
                        newCompressedMessage.type = ServerMessageType.VESSEL_PROTO;
                        using (MessageWriter mw = new MessageWriter())
                        {
                            mw.Write <double>(planetTime);
                            mw.Write <string>(vesselGuid);
                            mw.Write <bool>(isDockingUpdate);
                            mw.Write <bool>(isFlyingUpdate);
                            mw.Write <byte[]>(Compression.CompressIfNeeded(vesselData));
                            newCompressedMessage.data = mw.GetMessageBytes();
                        }
                    }
                }
                ClientHandler.SendToAllAutoCompressed(client, newCompressedMessage, newDecompressedMessage, false);
            }
        }
Beispiel #10
0
        public static void HandleHandshakeResponse(ClientObject client, byte[] messageData)
        {
            int    protocolVersion;
            string playerName = "";
            string playerPublicKey;

            byte[] playerChallangeSignature;
            string clientVersion = "";
            string reason        = "";
            Regex  regex         = new Regex(@"[\""<>|$]"); // Regex to detect quotation marks, and other illegal characters
            //0 - Success
            HandshakeReply handshakeReponse = HandshakeReply.HANDSHOOK_SUCCESSFULLY;

            try
            {
                using (MessageReader mr = new MessageReader(messageData))
                {
                    protocolVersion          = mr.Read <int>();
                    playerName               = mr.Read <string>();
                    playerPublicKey          = mr.Read <string>();
                    playerChallangeSignature = mr.Read <byte[]>();
                    clientVersion            = mr.Read <string>();
                    try
                    {
                        client.compressionEnabled = mr.Read <bool>();
                    }
                    catch
                    {
                        //This is safe to ignore. We want to tell people about version mismatches still.
                        client.compressionEnabled = false;
                    }
                }
            }
            catch (Exception e)
            {
                DarkLog.Debug("Error in HANDSHAKE_REQUEST from " + client.playerName + ": " + e);
                SendHandshakeReply(client, HandshakeReply.MALFORMED_HANDSHAKE, "Malformed handshake");
                return;
            }
            if (regex.IsMatch(playerName))
            {
                // Invalid username
                handshakeReponse = HandshakeReply.INVALID_PLAYERNAME;
                reason           = "Invalid username";
            }
            if (playerName.Contains("/") || playerName.Contains(@"\") || playerName.Contains("\n") || playerName.Contains("\r"))
            {
                handshakeReponse = HandshakeReply.INVALID_PLAYERNAME;
                reason           = "Invalid username";
            }
            if (protocolVersion != Common.PROTOCOL_VERSION)
            {
                //Protocol mismatch
                handshakeReponse = HandshakeReply.PROTOCOL_MISMATCH;
                reason           = "Protocol mismatch";
            }
            if (handshakeReponse == HandshakeReply.HANDSHOOK_SUCCESSFULLY)
            {
                //Check client isn't already connected
                ClientObject testClient = ClientHandler.GetClientByName(playerName);
                if (testClient != null)
                {
                    Messages.Heartbeat.Send(testClient);
                    Thread.Sleep(1000);
                }
                if (ClientHandler.ClientConnected(testClient))
                {
                    handshakeReponse = HandshakeReply.ALREADY_CONNECTED;
                    reason           = "Client already connected";
                }
            }
            if (handshakeReponse == HandshakeReply.HANDSHOOK_SUCCESSFULLY)
            {
                bool reserveKick = false;
                //Check the client isn't using a reserved name
                if (playerName == "Initial")
                {
                    reserveKick = true;
                }
                if (playerName == Settings.settingsStore.consoleIdentifier)
                {
                    reserveKick = true;
                }
                if (reserveKick)
                {
                    handshakeReponse = HandshakeReply.RESERVED_NAME;
                    reason           = "Kicked for using a reserved name";
                }
            }
            if (handshakeReponse == HandshakeReply.HANDSHOOK_SUCCESSFULLY)
            {
                //Check the client matches any database entry
                string storedPlayerFile      = Path.Combine(Server.universeDirectory, "Players", playerName + ".txt");
                string storedPlayerPublicKey = "";
                if (File.Exists(storedPlayerFile))
                {
                    storedPlayerPublicKey = File.ReadAllText(storedPlayerFile);
                    if (playerPublicKey != storedPlayerPublicKey)
                    {
                        handshakeReponse = HandshakeReply.INVALID_KEY;
                        reason           = "Invalid key for user";
                    }
                    else
                    {
                        using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(1024))
                        {
                            rsa.PersistKeyInCsp = false;
                            rsa.FromXmlString(playerPublicKey);
                            bool result = rsa.VerifyData(client.challange, CryptoConfig.CreateFromName("SHA256"), playerChallangeSignature);
                            if (!result)
                            {
                                handshakeReponse = HandshakeReply.INVALID_KEY;
                                reason           = "Public/private key mismatch";
                            }
                        }
                    }
                }
                else
                {
                    try
                    {
                        File.WriteAllText(storedPlayerFile, playerPublicKey);
                        DarkLog.Debug("Client " + playerName + " registered!");
                    }
                    catch
                    {
                        handshakeReponse = HandshakeReply.INVALID_PLAYERNAME;
                        reason           = "Invalid username";
                    }
                }
            }

            client.playerName    = playerName;
            client.publicKey     = playerPublicKey;
            client.clientVersion = clientVersion;

            if (handshakeReponse == HandshakeReply.HANDSHOOK_SUCCESSFULLY)
            {
                if (BanSystem.fetch.IsPlayerNameBanned(client.playerName) || BanSystem.fetch.IsIPBanned(client.ipAddress) || BanSystem.fetch.IsPublicKeyBanned(client.publicKey))
                {
                    handshakeReponse = HandshakeReply.PLAYER_BANNED;
                    reason           = "You were banned from the server!";
                }
            }

            if (handshakeReponse == HandshakeReply.HANDSHOOK_SUCCESSFULLY)
            {
                if (ClientHandler.GetActiveClientCount() >= Settings.settingsStore.maxPlayers)
                {
                    handshakeReponse = HandshakeReply.SERVER_FULL;
                    reason           = "Server is full";
                }
            }

            if (handshakeReponse == HandshakeReply.HANDSHOOK_SUCCESSFULLY)
            {
                if (Settings.settingsStore.whitelisted && !WhitelistSystem.fetch.IsWhitelisted(client.playerName))
                {
                    handshakeReponse = HandshakeReply.NOT_WHITELISTED;
                    reason           = "You are not on the whitelist";
                }
            }

            if (handshakeReponse == HandshakeReply.HANDSHOOK_SUCCESSFULLY)
            {
                client.authenticated = true;
                string devClientVersion = "";
                DMPPluginHandler.FireOnClientAuthenticated(client);

                if (client.clientVersion.Length == 40)
                {
                    devClientVersion = client.clientVersion.Substring(0, 7);
                }
                else
                {
                    devClientVersion = client.clientVersion;
                }
                DarkLog.Normal("Client " + playerName + " handshook successfully, version: " + devClientVersion);

                if (!Directory.Exists(Path.Combine(Server.universeDirectory, "Scenarios", client.playerName)))
                {
                    Directory.CreateDirectory(Path.Combine(Server.universeDirectory, "Scenarios", client.playerName));
                    foreach (string file in Directory.GetFiles(Path.Combine(Server.universeDirectory, "Scenarios", "Initial")))
                    {
                        File.Copy(file, Path.Combine(Server.universeDirectory, "Scenarios", playerName, Path.GetFileName(file)));
                    }
                }
                SendHandshakeReply(client, handshakeReponse, "success");
                Server.playerCount = ClientHandler.GetActiveClientCount();
                Server.players     = ClientHandler.GetActivePlayerNames();
                DarkLog.Debug("Online players is now: " + Server.playerCount + ", connected: " + ClientHandler.GetClients().Length);
            }
            else
            {
                DarkLog.Normal("Client " + playerName + " failed to handshake: " + reason);
                SendHandshakeReply(client, handshakeReponse, reason);
            }
        }