mirror of https://github.com/LOOHP/Limbo.git
774 lines
42 KiB
Java
774 lines
42 KiB
Java
/*
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* This file is part of Limbo.
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*
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* Copyright (C) 2022. LoohpJames <jamesloohp@gmail.com>
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* Copyright (C) 2022. Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.loohp.limbo.network;
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import com.loohp.limbo.Limbo;
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import com.loohp.limbo.events.player.PlayerJoinEvent;
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import com.loohp.limbo.events.player.PlayerSpawnEvent;
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import com.loohp.limbo.events.player.PlayerLoginEvent;
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import com.loohp.limbo.events.player.PlayerMoveEvent;
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import com.loohp.limbo.events.player.PlayerQuitEvent;
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import com.loohp.limbo.events.player.PlayerResourcePackStatusEvent;
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import com.loohp.limbo.events.player.PlayerSelectedSlotChangeEvent;
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import com.loohp.limbo.events.player.PluginMessageEvent;
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import com.loohp.limbo.events.status.StatusPingEvent;
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import com.loohp.limbo.file.ServerProperties;
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import com.loohp.limbo.location.Location;
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import com.loohp.limbo.network.protocol.packets.Packet;
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import com.loohp.limbo.network.protocol.packets.PacketHandshakingIn;
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import com.loohp.limbo.network.protocol.packets.PacketIn;
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import com.loohp.limbo.network.protocol.packets.PacketLoginInLoginStart;
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import com.loohp.limbo.network.protocol.packets.PacketLoginInPluginMessaging;
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import com.loohp.limbo.network.protocol.packets.PacketLoginOutDisconnect;
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import com.loohp.limbo.network.protocol.packets.PacketLoginOutLoginSuccess;
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import com.loohp.limbo.network.protocol.packets.PacketLoginOutPluginMessaging;
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import com.loohp.limbo.network.protocol.packets.PacketOut;
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import com.loohp.limbo.network.protocol.packets.PacketPlayInChat;
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import com.loohp.limbo.network.protocol.packets.PacketPlayInHeldItemChange;
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import com.loohp.limbo.network.protocol.packets.PacketPlayInKeepAlive;
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import com.loohp.limbo.network.protocol.packets.PacketPlayInPluginMessaging;
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import com.loohp.limbo.network.protocol.packets.PacketPlayInPosition;
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import com.loohp.limbo.network.protocol.packets.PacketPlayInPositionAndLook;
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import com.loohp.limbo.network.protocol.packets.PacketPlayInResourcePackStatus;
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import com.loohp.limbo.network.protocol.packets.PacketPlayInResourcePackStatus.EnumResourcePackStatus;
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import com.loohp.limbo.network.protocol.packets.PacketPlayInRotation;
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import com.loohp.limbo.network.protocol.packets.PacketPlayInTabComplete;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutDeclareCommands;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutDisconnect;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutEntityMetadata;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutGameState;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutHeldItemChange;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutKeepAlive;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutLogin;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutPlayerAbilities;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutPlayerAbilities.PlayerAbilityFlags;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutPlayerInfo;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutPlayerInfo.PlayerInfoAction;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutPlayerInfo.PlayerInfoData;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutPlayerInfo.PlayerInfoData.PlayerInfoDataAddPlayer.PlayerSkinProperty;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutPluginMessaging;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutPositionAndLook;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutSpawnPosition;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutTabComplete;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutTabComplete.TabCompleteMatches;
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import com.loohp.limbo.network.protocol.packets.PacketPlayOutUpdateViewPosition;
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import com.loohp.limbo.network.protocol.packets.PacketStatusInPing;
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import com.loohp.limbo.network.protocol.packets.PacketStatusInRequest;
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import com.loohp.limbo.network.protocol.packets.PacketStatusOutPong;
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import com.loohp.limbo.network.protocol.packets.PacketStatusOutResponse;
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import com.loohp.limbo.network.protocol.packets.ServerboundChatCommandPacket;
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import com.loohp.limbo.player.Player;
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import com.loohp.limbo.player.PlayerInteractManager;
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import com.loohp.limbo.utils.BungeecordAdventureConversionUtils;
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import com.loohp.limbo.utils.CheckedBiConsumer;
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import com.loohp.limbo.utils.CustomStringUtils;
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import com.loohp.limbo.utils.DataTypeIO;
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import com.loohp.limbo.utils.DeclareCommands;
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import com.loohp.limbo.utils.ForwardingUtils;
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import com.loohp.limbo.utils.GameMode;
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import com.loohp.limbo.utils.MojangAPIUtils;
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import com.loohp.limbo.utils.MojangAPIUtils.SkinResponse;
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import com.loohp.limbo.utils.NamespacedKey;
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import com.loohp.limbo.world.BlockPosition;
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import com.loohp.limbo.world.World;
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import net.kyori.adventure.text.Component;
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import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
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import net.md_5.bungee.api.ChatColor;
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import net.md_5.bungee.api.chat.BaseComponent;
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import net.md_5.bungee.api.chat.TextComponent;
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import net.md_5.bungee.api.chat.TranslatableComponent;
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import org.json.simple.JSONArray;
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import org.json.simple.JSONObject;
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import org.json.simple.parser.JSONParser;
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import java.io.ByteArrayOutputStream;
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import java.io.DataInput;
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import java.io.DataInputStream;
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import java.io.DataOutputStream;
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import java.io.IOException;
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import java.lang.reflect.Constructor;
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import java.net.InetAddress;
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import java.net.Socket;
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import java.nio.charset.StandardCharsets;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Optional;
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import java.util.Random;
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import java.util.Set;
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import java.util.Timer;
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import java.util.TimerTask;
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import java.util.UUID;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicLong;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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import java.io.StringWriter;
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import java.io.PrintWriter;
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public class ClientConnection extends Thread {
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private static final NamespacedKey DEFAULT_HANDLER_NAMESPACE = new NamespacedKey("default");
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private static final String BRAND_ANNOUNCE_CHANNEL = new NamespacedKey("brand").toString();
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private final Random random = new Random();
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private final Socket clientSocket;
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protected Channel channel;
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private boolean running;
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private ClientState state;
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private Player player;
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private TimerTask keepAliveTask;
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private AtomicLong lastPacketTimestamp;
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private AtomicLong lastKeepAlivePayLoad;
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private InetAddress inetAddress;
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private boolean ready;
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public ClientConnection(Socket clientSocket) {
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this.clientSocket = clientSocket;
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this.inetAddress = clientSocket.getInetAddress();
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this.lastPacketTimestamp = new AtomicLong(-1);
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this.lastKeepAlivePayLoad = new AtomicLong(-1);
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this.channel = null;
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this.running = false;
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this.ready = false;
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}
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public InetAddress getInetAddress() {
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return inetAddress;
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}
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public long getLastKeepAlivePayLoad() {
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return lastKeepAlivePayLoad.get();
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}
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public void setLastKeepAlivePayLoad(long payLoad) {
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this.lastKeepAlivePayLoad.set(payLoad);
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}
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public long getLastPacketTimestamp() {
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return lastPacketTimestamp.get();
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}
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public void setLastPacketTimestamp(long payLoad) {
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this.lastPacketTimestamp.set(payLoad);
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}
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public TimerTask getKeepAliveTask() {
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return this.keepAliveTask;
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}
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public Player getPlayer() {
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return player;
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}
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public ClientState getClientState() {
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return state;
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}
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public Socket getSocket() {
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return clientSocket;
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}
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public Channel getChannel() {
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return channel;
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}
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public boolean isRunning() {
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return running;
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}
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public boolean isReady() {
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return ready;
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}
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public void sendPluginMessage(String channel, byte[] data) throws IOException {
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PacketPlayOutPluginMessaging packet = new PacketPlayOutPluginMessaging(channel, data);
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sendPacket(packet);
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}
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public synchronized void sendPacket(PacketOut packet) throws IOException {
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if (channel.writePacket(packet)) {
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setLastPacketTimestamp(System.currentTimeMillis());
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}
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}
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public void disconnect(BaseComponent[] reason) {
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disconnect(BungeecordAdventureConversionUtils.toComponent(reason));
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}
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public void disconnect(Component reason) {
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try {
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PacketPlayOutDisconnect packet = new PacketPlayOutDisconnect(reason);
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sendPacket(packet);
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} catch (IOException ignored) {
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}
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try {
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clientSocket.close();
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} catch (IOException ignored) {
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}
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}
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private void disconnectDuringLogin(BaseComponent[] reason) {
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disconnectDuringLogin(BungeecordAdventureConversionUtils.toComponent(reason));
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}
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private void disconnectDuringLogin(Component reason) {
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ServerProperties properties = Limbo.getInstance().getServerProperties();
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if (!properties.isReducedDebugInfo()) {
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String str = (properties.isLogPlayerIPAddresses() ? inetAddress.getHostName() : "<ip address withheld>") + ":" + clientSocket.getPort();
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Limbo.getInstance().getConsole().sendMessage("[/" + str + "] <-> Player disconnected with the reason " + PlainTextComponentSerializer.plainText().serialize(reason));
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}
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try {
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PacketLoginOutDisconnect packet = new PacketLoginOutDisconnect(reason);
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sendPacket(packet);
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} catch (IOException ignored) {
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}
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try {
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clientSocket.close();
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} catch (IOException ignored) {
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}
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}
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private void setChannel(DataInputStream input, DataOutputStream output) {
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this.channel = new Channel(input, output);
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this.channel.addHandlerBefore(DEFAULT_HANDLER_NAMESPACE, new ChannelPacketHandler() {
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@Override
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public ChannelPacketRead read(ChannelPacketRead read) {
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if (read.hasReadPacket()) {
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return super.read(read);
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}
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try {
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DataInput input = read.getDataInput();
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int size = read.getSize();
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int packetId = read.getPacketId();
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Class<? extends PacketIn> packetType;
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switch (state) {
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case HANDSHAKE:
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packetType = Packet.getHandshakeIn().get(packetId);
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break;
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case STATUS:
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packetType = Packet.getStatusIn().get(packetId);
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break;
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case LOGIN:
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packetType = Packet.getLoginIn().get(packetId);
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break;
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case PLAY:
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packetType = Packet.getPlayIn().get(packetId);
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break;
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default:
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throw new IllegalStateException("Illegal ClientState!");
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}
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if (packetType == null) {
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input.skipBytes(size - DataTypeIO.getVarIntLength(packetId));
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return null;
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}
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Constructor<?>[] constructors = packetType.getConstructors();
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Constructor<?> constructor = Stream.of(constructors).filter(each -> each.getParameterCount() > 0 && each.getParameterTypes()[0].equals(DataInputStream.class)).findFirst().orElse(null);
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if (constructor == null) {
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throw new NoSuchMethodException(packetType + " has no valid constructors!");
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} else if (constructor.getParameterCount() == 1) {
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read.setPacket((PacketIn) constructor.newInstance(input));
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} else if (constructor.getParameterCount() == 3) {
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read.setPacket((PacketIn) constructor.newInstance(input, size, packetId));
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} else {
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throw new NoSuchMethodException(packetType + " has no valid constructors!");
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}
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return super.read(read);
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} catch (Exception e) {
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throw new RuntimeException("Unable to read packet", e);
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}
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}
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});
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}
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@SuppressWarnings("deprecation")
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@Override
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public void run() {
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running = true;
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state = ClientState.HANDSHAKE;
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try {
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clientSocket.setKeepAlive(true);
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setChannel(new DataInputStream(clientSocket.getInputStream()), new DataOutputStream(clientSocket.getOutputStream()));
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int handShakeSize = DataTypeIO.readVarInt(channel.input);
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//legacy ping
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if (handShakeSize == 0xFE) {
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ServerProperties properties = Limbo.getInstance().getServerProperties();
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state = ClientState.LEGACY;
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channel.output.writeByte(255);
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String str = (properties.isLogPlayerIPAddresses() ? inetAddress.getHostName() : "<ip address withheld>") + ":" + clientSocket.getPort();
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Limbo.getInstance().getConsole().sendMessage("[/" + str + "] <-> Legacy Status has pinged");
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ServerProperties p = Limbo.getInstance().getServerProperties();
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StatusPingEvent event = Limbo.getInstance().getEventsManager().callEvent(new StatusPingEvent(this, p.getVersionString(), p.getProtocol(), p.getMotd(), p.getMaxPlayers(), Limbo.getInstance().getPlayers().size(), p.getFavicon().orElse(null)));
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String response = Limbo.getInstance().buildLegacyPingResponse(event.getVersion(), event.getMotd(), event.getMaxPlayers(), event.getPlayersOnline());
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byte[] bytes = response.getBytes(StandardCharsets.UTF_16BE);
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channel.output.writeShort(response.length());
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channel.output.write(bytes);
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channel.close();
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clientSocket.close();
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state = ClientState.DISCONNECTED;
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}
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PacketHandshakingIn handshake = (PacketHandshakingIn) channel.readPacket(handShakeSize);
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boolean isBungeecord = Limbo.getInstance().getServerProperties().isBungeecord();
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boolean isBungeeGuard = Limbo.getInstance().getServerProperties().isBungeeGuard();
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boolean isVelocityModern = Limbo.getInstance().getServerProperties().isVelocityModern();
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String bungeeForwarding = handshake.getServerAddress();
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UUID bungeeUUID = null;
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SkinResponse forwardedSkin = null;
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try {
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switch (handshake.getHandshakeType()) {
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case STATUS:
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state = ClientState.STATUS;
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while (clientSocket.isConnected()) {
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PacketIn packetIn = channel.readPacket();
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if (packetIn instanceof PacketStatusInRequest) {
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ServerProperties properties = Limbo.getInstance().getServerProperties();
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String str = (properties.isLogPlayerIPAddresses() ? inetAddress.getHostName() : "<ip address withheld>") + ":" + clientSocket.getPort();
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if (Limbo.getInstance().getServerProperties().handshakeVerboseEnabled()) {
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Limbo.getInstance().getConsole().sendMessage("[/" + str + "] <-> Handshake Status has pinged");
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}
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ServerProperties p = Limbo.getInstance().getServerProperties();
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StatusPingEvent event = Limbo.getInstance().getEventsManager().callEvent(new StatusPingEvent(this, p.getVersionString(), p.getProtocol(), p.getMotd(), p.getMaxPlayers(), Limbo.getInstance().getPlayers().size(), p.getFavicon().orElse(null)));
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PacketStatusOutResponse response = new PacketStatusOutResponse(Limbo.getInstance().buildServerListResponseJson(event.getVersion(), event.getProtocol(), event.getMotd(), event.getMaxPlayers(), event.getPlayersOnline(), event.getFavicon()));
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sendPacket(response);
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} else if (packetIn instanceof PacketStatusInPing) {
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PacketStatusInPing ping = (PacketStatusInPing) packetIn;
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PacketStatusOutPong pong = new PacketStatusOutPong(ping.getPayload());
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sendPacket(pong);
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break;
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}
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}
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break;
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case LOGIN:
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state = ClientState.LOGIN;
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ServerProperties properties = Limbo.getInstance().getServerProperties();
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if (isBungeecord || isBungeeGuard) {
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try {
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String[] data = bungeeForwarding.split("\\x00");
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String host = "";
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String floodgate = "";
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String clientIp = "";
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String bungee = "";
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String skinData = "";
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int state = 0;
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for (int i = 0; i < data.length; i++) {
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if (!properties.isReducedDebugInfo()) {
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Limbo.getInstance().getConsole().sendMessage(String.valueOf(i) + ": " + data[i]);
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}
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switch (state) {
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default:
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Limbo.getInstance().getConsole().sendMessage(String.valueOf(i) + ": ignore data: State: " + String.valueOf(state));
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break;
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case 0:
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host = data[i];
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state = 1;
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break;
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case 1:
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if (data[i].startsWith("^Floodgate^")) {
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floodgate = data[i];
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state = 2;
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break;
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}
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/* fallthrough */
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case 2:
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clientIp = data[i];
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state = 3;
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break;
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case 3:
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bungee = data[i];
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state = 4;
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break;
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case 4:
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skinData = data[i];
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state = 6;
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break;
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}
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}
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if (state != 6) {
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throw new IllegalStateException("Illegal bungee state: " + String.valueOf(state));
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}
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if (!properties.isReducedDebugInfo()) {
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Limbo.getInstance().getConsole().sendMessage("Host: " + host);
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Limbo.getInstance().getConsole().sendMessage("Floodgate: " + floodgate);
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Limbo.getInstance().getConsole().sendMessage("clientIp: " + clientIp);
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Limbo.getInstance().getConsole().sendMessage("bungee: " + bungee);
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Limbo.getInstance().getConsole().sendMessage("skinData: " + skinData);
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}
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bungeeUUID = UUID.fromString(bungee.replaceFirst("([0-9a-fA-F]{8})([0-9a-fA-F]{4})([0-9a-fA-F]{4})([0-9a-fA-F]{4})([0-9a-fA-F]+)", "$1-$2-$3-$4-$5"));
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inetAddress = InetAddress.getByName(clientIp);
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boolean bungeeGuardFound = false;
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if (skinData != "") {
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JSONArray skinJson = (JSONArray) new JSONParser().parse(skinData);
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for (Object obj : skinJson) {
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JSONObject property = (JSONObject) obj;
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if (property.get("name").toString().equals("textures")) {
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String skin = property.get("value").toString();
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String signature = property.get("signature").toString();
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forwardedSkin = new SkinResponse(skin, signature);
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} else if (isBungeeGuard && property.get("name").toString().equals("bungeeguard-token")) {
|
|
String token = property.get("value").toString();
|
|
bungeeGuardFound = Limbo.getInstance().getServerProperties().getForwardingSecrets().contains(token);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isBungeeGuard && !bungeeGuardFound) {
|
|
disconnectDuringLogin(TextComponent.fromLegacyText("Invalid information forwarding"));
|
|
break;
|
|
}
|
|
} catch (Exception e) {
|
|
if (!properties.isReducedDebugInfo()) {
|
|
StringWriter sw = new StringWriter();
|
|
PrintWriter pw = new PrintWriter(sw);
|
|
e.printStackTrace(pw);
|
|
Limbo.getInstance().getConsole().sendMessage(sw.toString());
|
|
}
|
|
Limbo.getInstance().getConsole().sendMessage("If you wish to use bungeecord's IP forwarding, please enable that in your bungeecord config.yml as well!");
|
|
disconnectDuringLogin(new BaseComponent[] {new TextComponent(ChatColor.RED + "Please connect from the proxy!")});
|
|
}
|
|
}
|
|
|
|
int messageId = this.random.nextInt();
|
|
while (clientSocket.isConnected()) {
|
|
PacketIn packetIn = channel.readPacket();
|
|
if (packetIn instanceof PacketLoginInLoginStart) {
|
|
PacketLoginInLoginStart start = (PacketLoginInLoginStart) packetIn;
|
|
String username = start.getUsername();
|
|
|
|
if (Limbo.getInstance().getServerProperties().isVelocityModern()) {
|
|
PacketLoginOutPluginMessaging loginPluginRequest = new PacketLoginOutPluginMessaging(messageId, ForwardingUtils.VELOCITY_FORWARDING_CHANNEL);
|
|
sendPacket(loginPluginRequest);
|
|
continue;
|
|
}
|
|
|
|
UUID uuid = isBungeecord || isBungeeGuard ? bungeeUUID : UUID.nameUUIDFromBytes(("OfflinePlayer:" + username).getBytes(StandardCharsets.UTF_8));
|
|
|
|
if (!properties.enforceWhitelist() && properties.uuidWhitelisted(uuid)) {
|
|
disconnectDuringLogin(TextComponent.fromLegacyText("You are not whitelisted on the server"));
|
|
break;
|
|
}
|
|
|
|
PacketLoginOutLoginSuccess success = new PacketLoginOutLoginSuccess(uuid, username);
|
|
sendPacket(success);
|
|
|
|
state = ClientState.PLAY;
|
|
|
|
player = new Player(this, username, uuid, Limbo.getInstance().getNextEntityId(), Limbo.getInstance().getServerProperties().getWorldSpawn(), new PlayerInteractManager());
|
|
player.setSkinLayers((byte) (0x01 | 0x02 | 0x04 | 0x08 | 0x10 | 0x20 | 0x40));
|
|
Limbo.getInstance().addPlayer(player);
|
|
|
|
break;
|
|
} else if (packetIn instanceof PacketLoginInPluginMessaging) {
|
|
PacketLoginInPluginMessaging response = (PacketLoginInPluginMessaging) packetIn;
|
|
if (response.getMessageId() != messageId) {
|
|
disconnectDuringLogin(TextComponent.fromLegacyText("Internal error, messageId did not match"));
|
|
break;
|
|
}
|
|
if (!response.getData().isPresent()) {
|
|
disconnectDuringLogin(TextComponent.fromLegacyText("Unknown login plugin response packet!"));
|
|
break;
|
|
}
|
|
byte[] responseData = response.getData().get();
|
|
if (!ForwardingUtils.validateVelocityModernResponse(responseData)) {
|
|
disconnectDuringLogin(TextComponent.fromLegacyText("Invalid playerinfo forwarding!"));
|
|
break;
|
|
}
|
|
ForwardingUtils.VelocityModernForwardingData data = ForwardingUtils.getVelocityDataFrom(responseData);
|
|
inetAddress = InetAddress.getByName(data.getIpAddress());
|
|
forwardedSkin = data.getSkinResponse();
|
|
|
|
PacketLoginOutLoginSuccess success = new PacketLoginOutLoginSuccess(data.getUuid(), data.getUsername());
|
|
sendPacket(success);
|
|
|
|
state = ClientState.PLAY;
|
|
|
|
player = new Player(this, data.getUsername(), data.getUuid(), Limbo.getInstance().getNextEntityId(), Limbo.getInstance().getServerProperties().getWorldSpawn(), new PlayerInteractManager());
|
|
player.setSkinLayers((byte) (0x01 | 0x02 | 0x04 | 0x08 | 0x10 | 0x20 | 0x40));
|
|
Limbo.getInstance().addPlayer(player);
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
PlayerLoginEvent event = Limbo.getInstance().getEventsManager().callEvent(new PlayerLoginEvent(this, false));
|
|
if (event.isCancelled()) {
|
|
disconnectDuringLogin(event.getCancelReason());
|
|
}
|
|
|
|
break;
|
|
}
|
|
} catch (Exception e) {
|
|
channel.close();
|
|
clientSocket.close();
|
|
state = ClientState.DISCONNECTED;
|
|
}
|
|
|
|
if (state == ClientState.PLAY) {
|
|
|
|
TimeUnit.MILLISECONDS.sleep(500);
|
|
|
|
ServerProperties properties = Limbo.getInstance().getServerProperties();
|
|
Location worldSpawn = properties.getWorldSpawn();
|
|
|
|
PlayerSpawnEvent spawnEvent = Limbo.getInstance().getEventsManager().callEvent(new PlayerSpawnEvent(player, worldSpawn));
|
|
worldSpawn = spawnEvent.getSpawnLocation();
|
|
World world = worldSpawn.getWorld();
|
|
|
|
PacketPlayOutLogin join = new PacketPlayOutLogin(player.getEntityId(), false, properties.getDefaultGamemode(), Limbo.getInstance().getWorlds(), Limbo.getInstance().getDimensionRegistry().getCodec(), world, 0, (byte) properties.getMaxPlayers(), 8, 8, properties.isReducedDebugInfo(), true, false, true);
|
|
sendPacket(join);
|
|
Limbo.getInstance().getUnsafe().setPlayerGameModeSilently(player, properties.getDefaultGamemode());
|
|
|
|
ByteArrayOutputStream brandOut = new ByteArrayOutputStream();
|
|
DataTypeIO.writeString(new DataOutputStream(brandOut), properties.getServerModName(), StandardCharsets.UTF_8);
|
|
sendPluginMessage(BRAND_ANNOUNCE_CHANNEL, brandOut.toByteArray());
|
|
|
|
SkinResponse skinresponce = (isVelocityModern || isBungeeGuard || isBungeecord) && forwardedSkin != null ? forwardedSkin : MojangAPIUtils.getSkinFromMojangServer(player.getName());
|
|
PlayerSkinProperty skin = skinresponce != null ? new PlayerSkinProperty(skinresponce.getSkin(), skinresponce.getSignature()) : null;
|
|
PacketPlayOutPlayerInfo info = new PacketPlayOutPlayerInfo(PlayerInfoAction.ADD_PLAYER, player.getUniqueId(), new PlayerInfoData.PlayerInfoDataAddPlayer(player.getName(), Optional.ofNullable(skin), properties.getDefaultGamemode(), 0, false, Optional.empty()));
|
|
sendPacket(info);
|
|
|
|
Set<PlayerAbilityFlags> flags = new HashSet<>();
|
|
if (properties.isAllowFlight()) {
|
|
flags.add(PlayerAbilityFlags.FLY);
|
|
}
|
|
if (player.getGamemode().equals(GameMode.CREATIVE)) {
|
|
flags.add(PlayerAbilityFlags.CREATIVE);
|
|
}
|
|
PacketPlayOutPlayerAbilities abilities = new PacketPlayOutPlayerAbilities(0.05F, 0.1F, flags.toArray(new PlayerAbilityFlags[flags.size()]));
|
|
sendPacket(abilities);
|
|
|
|
String str = (properties.isLogPlayerIPAddresses() ? inetAddress.getHostName() : "<ip address withheld>") + ":" + clientSocket.getPort() + "|" + player.getName() + "(" + player.getUniqueId() + ")";
|
|
Limbo.getInstance().getConsole().sendMessage("[/" + str + "] <-> Player had connected to the Limbo server!");
|
|
|
|
player.playerInteractManager.update();
|
|
|
|
PacketPlayOutDeclareCommands declare = DeclareCommands.getDeclareCommandsPacket(player);
|
|
if (declare != null) {
|
|
sendPacket(declare);
|
|
}
|
|
|
|
PacketPlayOutSpawnPosition spawnPos = new PacketPlayOutSpawnPosition(BlockPosition.from(worldSpawn), worldSpawn.getPitch());
|
|
sendPacket(spawnPos);
|
|
|
|
PacketPlayOutPositionAndLook positionLook = new PacketPlayOutPositionAndLook(worldSpawn.getX(), worldSpawn.getY(), worldSpawn.getZ(), worldSpawn.getYaw(), worldSpawn.getPitch(), 1, false);
|
|
Limbo.getInstance().getUnsafe().setPlayerLocationSilently(player, new Location(world, worldSpawn.getX(), worldSpawn.getY(), worldSpawn.getZ(), worldSpawn.getYaw(), worldSpawn.getPitch()));
|
|
sendPacket(positionLook);
|
|
|
|
player.getDataWatcher().update();
|
|
PacketPlayOutEntityMetadata show = new PacketPlayOutEntityMetadata(player, false, Player.class.getDeclaredField("skinLayers"));
|
|
sendPacket(show);
|
|
|
|
Limbo.getInstance().getEventsManager().callEvent(new PlayerJoinEvent(player));
|
|
|
|
if (properties.isAllowFlight()) {
|
|
PacketPlayOutGameState state = new PacketPlayOutGameState(3, player.getGamemode().getId());
|
|
sendPacket(state);
|
|
}
|
|
|
|
// RESOURCEPACK CODE CONRIBUTED BY GAMERDUCK123
|
|
if (!properties.getResourcePackLink().equalsIgnoreCase("")) {
|
|
if (!properties.getResourcePackSHA1().equalsIgnoreCase("")) {
|
|
//SEND RESOURCEPACK
|
|
player.setResourcePack(properties.getResourcePackLink(), properties.getResourcePackSHA1(), properties.getResourcePackRequired(), properties.getResourcePackPrompt());
|
|
} else {
|
|
//NO SHA
|
|
Limbo.getInstance().getConsole().sendMessage("ResourcePacks require SHA1s");
|
|
}
|
|
} else {
|
|
//RESOURCEPACK NOT ENABLED
|
|
}
|
|
|
|
// PLAYER LIST HEADER AND FOOTER CODE CONRIBUTED BY GAMERDUCK123
|
|
player.sendPlayerListHeaderAndFooter(properties.getTabHeader(), properties.getTabFooter());
|
|
|
|
ready = true;
|
|
|
|
keepAliveTask = new TimerTask() {
|
|
@Override
|
|
public void run() {
|
|
if (ready) {
|
|
long now = System.currentTimeMillis();
|
|
if (now - getLastPacketTimestamp() > 15000) {
|
|
PacketPlayOutKeepAlive keepAlivePacket = new PacketPlayOutKeepAlive(now);
|
|
try {
|
|
sendPacket(keepAlivePacket);
|
|
setLastKeepAlivePayLoad(now);
|
|
} catch (Exception e) {
|
|
}
|
|
}
|
|
} else {
|
|
this.cancel();
|
|
}
|
|
}
|
|
};
|
|
new Timer().schedule(keepAliveTask, 5000, 10000);
|
|
|
|
while (clientSocket.isConnected()) {
|
|
try {
|
|
CheckedBiConsumer<PlayerMoveEvent, Location, IOException> processMoveEvent = (event, originalTo) -> {
|
|
if (event.isCancelled()) {
|
|
Location returnTo = event.getFrom();
|
|
PacketPlayOutPositionAndLook cancel = new PacketPlayOutPositionAndLook(returnTo.getX(), returnTo.getY(), returnTo.getZ(), returnTo.getYaw(), returnTo.getPitch(), 1, false);
|
|
sendPacket(cancel);
|
|
} else {
|
|
Location to = event.getTo();
|
|
Limbo.getInstance().getUnsafe().setPlayerLocationSilently(player, to);
|
|
// If an event handler used setTo, let's make sure we tell the player about it.
|
|
if (!originalTo.equals(to)) {
|
|
PacketPlayOutPositionAndLook pos = new PacketPlayOutPositionAndLook(to.getX(), to.getY(), to.getZ(), to.getYaw(), to.getPitch(), 1, false);
|
|
sendPacket(pos);
|
|
}
|
|
PacketPlayOutUpdateViewPosition response = new PacketPlayOutUpdateViewPosition((int) player.getLocation().getX() >> 4, (int) player.getLocation().getZ() >> 4);
|
|
sendPacket(response);
|
|
}
|
|
};
|
|
PacketIn packetIn = channel.readPacket();
|
|
if (packetIn instanceof PacketPlayInPositionAndLook) {
|
|
PacketPlayInPositionAndLook pos = (PacketPlayInPositionAndLook) packetIn;
|
|
Location from = player.getLocation();
|
|
Location to = new Location(player.getWorld(), pos.getX(), pos.getY(), pos.getZ(), pos.getYaw(), pos.getPitch());
|
|
|
|
if (!from.equals(to)) {
|
|
PlayerMoveEvent event = Limbo.getInstance().getEventsManager().callEvent(new PlayerMoveEvent(player, from, to));
|
|
processMoveEvent.consume(event, to);
|
|
}
|
|
} else if (packetIn instanceof PacketPlayInPosition) {
|
|
PacketPlayInPosition pos = (PacketPlayInPosition) packetIn;
|
|
Location from = player.getLocation();
|
|
Location to = new Location(player.getWorld(), pos.getX(), pos.getY(), pos.getZ(), player.getLocation().getYaw(), player.getLocation().getPitch());
|
|
|
|
if (!from.equals(to)) {
|
|
PlayerMoveEvent event = Limbo.getInstance().getEventsManager().callEvent(new PlayerMoveEvent(player, from, to));
|
|
processMoveEvent.consume(event, to);
|
|
}
|
|
} else if (packetIn instanceof PacketPlayInRotation) {
|
|
PacketPlayInRotation pos = (PacketPlayInRotation) packetIn;
|
|
Location from = player.getLocation();
|
|
Location to = new Location(player.getWorld(), player.getLocation().getX(), player.getLocation().getY(), player.getLocation().getZ(), pos.getYaw(), pos.getPitch());
|
|
|
|
if (!from.equals(to)) {
|
|
PlayerMoveEvent event = Limbo.getInstance().getEventsManager().callEvent(new PlayerMoveEvent(player, from, to));
|
|
processMoveEvent.consume(event, to);
|
|
}
|
|
} else if (packetIn instanceof PacketPlayInKeepAlive) {
|
|
long lastPayload = getLastKeepAlivePayLoad();
|
|
PacketPlayInKeepAlive alive = (PacketPlayInKeepAlive) packetIn;
|
|
if (lastPayload == -1) {
|
|
Limbo.getInstance().getConsole().sendMessage("Unsolicited KeepAlive packet for player " + player.getName());
|
|
} else if (alive.getPayload() != lastPayload) {
|
|
Limbo.getInstance().getConsole().sendMessage("Incorrect Payload received in KeepAlive packet for player " + player.getName());
|
|
break;
|
|
}
|
|
} else if (packetIn instanceof PacketPlayInTabComplete) {
|
|
PacketPlayInTabComplete request = (PacketPlayInTabComplete) packetIn;
|
|
String[] command = CustomStringUtils.splitStringToArgs(request.getText().substring(1));
|
|
|
|
List<TabCompleteMatches> matches = new ArrayList<>(Limbo.getInstance().getPluginManager().getTabOptions(player, command).stream().map(each -> new TabCompleteMatches(each)).collect(Collectors.toList()));
|
|
|
|
int start = CustomStringUtils.getIndexOfArg(request.getText(), command.length - 1) + 1;
|
|
int length = command[command.length - 1].length();
|
|
|
|
PacketPlayOutTabComplete response = new PacketPlayOutTabComplete(request.getId(), start, length, matches.toArray(new TabCompleteMatches[matches.size()]));
|
|
sendPacket(response);
|
|
} else if (packetIn instanceof PacketPlayInChat) {
|
|
PacketPlayInChat chat = (PacketPlayInChat) packetIn;
|
|
player.chat(chat.getMessage(), true, chat.getSignature(), chat.getTime());
|
|
} else if (packetIn instanceof ServerboundChatCommandPacket) {
|
|
ServerboundChatCommandPacket command = (ServerboundChatCommandPacket) packetIn;
|
|
Limbo.getInstance().dispatchCommand(player, "/" + command.getCommand());
|
|
} else if (packetIn instanceof PacketPlayInHeldItemChange) {
|
|
PacketPlayInHeldItemChange change = (PacketPlayInHeldItemChange) packetIn;
|
|
PlayerSelectedSlotChangeEvent event = Limbo.getInstance().getEventsManager().callEvent(new PlayerSelectedSlotChangeEvent(player, (byte) change.getSlot()));
|
|
if (event.isCancelled()) {
|
|
PacketPlayOutHeldItemChange cancelPacket = new PacketPlayOutHeldItemChange(player.getSelectedSlot());
|
|
sendPacket(cancelPacket);
|
|
} else if (change.getSlot() != event.getSlot()) {
|
|
PacketPlayOutHeldItemChange changePacket = new PacketPlayOutHeldItemChange(event.getSlot());
|
|
sendPacket(changePacket);
|
|
Limbo.getInstance().getUnsafe().setSelectedSlotSilently(player, event.getSlot());
|
|
} else {
|
|
Limbo.getInstance().getUnsafe().setSelectedSlotSilently(player, event.getSlot());
|
|
}
|
|
|
|
} else if (packetIn instanceof PacketPlayInResourcePackStatus) {
|
|
PacketPlayInResourcePackStatus rpcheck = (PacketPlayInResourcePackStatus) packetIn;
|
|
// Pass on result to the events
|
|
Limbo.getInstance().getEventsManager().callEvent(new PlayerResourcePackStatusEvent(player, rpcheck.getLoadedValue()));
|
|
if (rpcheck.getLoadedValue().equals(EnumResourcePackStatus.DECLINED) && properties.getResourcePackRequired()) {
|
|
player.disconnect(new TranslatableComponent("multiplayer.requiredTexturePrompt.disconnect"));
|
|
}
|
|
} else if (packetIn instanceof PacketPlayInPluginMessaging) {
|
|
PacketPlayInPluginMessaging inPluginMessaging = (PacketPlayInPluginMessaging) packetIn;
|
|
Limbo.getInstance().getEventsManager().callEvent(new PluginMessageEvent(player, inPluginMessaging.getChannel(), inPluginMessaging.getData()));
|
|
}
|
|
} catch (Exception e) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
Limbo.getInstance().getEventsManager().callEvent(new PlayerQuitEvent(player));
|
|
|
|
str = (properties.isLogPlayerIPAddresses() ? inetAddress.getHostName() : "<ip address withheld>") + ":" + clientSocket.getPort() + "|" + player.getName();
|
|
Limbo.getInstance().getConsole().sendMessage("[/" + str + "] <-> Player had disconnected!");
|
|
}
|
|
} catch (Exception ignored) {
|
|
}
|
|
|
|
try {
|
|
channel.close();
|
|
clientSocket.close();
|
|
} catch (Exception ignored) {
|
|
}
|
|
state = ClientState.DISCONNECTED;
|
|
|
|
if (player != null) {
|
|
Limbo.getInstance().removePlayer(player);
|
|
}
|
|
Limbo.getInstance().getServerConnection().getClients().remove(this);
|
|
running = false;
|
|
}
|
|
|
|
public enum ClientState {
|
|
LEGACY,
|
|
HANDSHAKE,
|
|
STATUS,
|
|
LOGIN,
|
|
PLAY,
|
|
DISCONNECTED;
|
|
}
|
|
|
|
}
|