forked from BLOCKFANTASY/LOOHP-Limbo
855 lines
48 KiB
Java
855 lines
48 KiB
Java
/*
|
|
* This file is part of Limbo.
|
|
*
|
|
* Copyright (C) 2022. LoohpJames <jamesloohp@gmail.com>
|
|
* Copyright (C) 2022. Contributors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package com.loohp.limbo.network;
|
|
|
|
import com.loohp.limbo.Limbo;
|
|
import com.loohp.limbo.entity.EntityEquipment;
|
|
import com.loohp.limbo.events.connection.ConnectionEstablishedEvent;
|
|
import com.loohp.limbo.events.inventory.AnvilRenameInputEvent;
|
|
import com.loohp.limbo.events.inventory.InventoryCloseEvent;
|
|
import com.loohp.limbo.events.inventory.InventoryCreativeEvent;
|
|
import com.loohp.limbo.events.player.PlayerInteractEvent;
|
|
import com.loohp.limbo.events.player.PlayerJoinEvent;
|
|
import com.loohp.limbo.events.player.PlayerLoginEvent;
|
|
import com.loohp.limbo.events.player.PlayerMoveEvent;
|
|
import com.loohp.limbo.events.player.PlayerQuitEvent;
|
|
import com.loohp.limbo.events.player.PlayerResourcePackStatusEvent;
|
|
import com.loohp.limbo.events.player.PlayerSelectedSlotChangeEvent;
|
|
import com.loohp.limbo.events.player.PlayerSpawnEvent;
|
|
import com.loohp.limbo.events.player.PlayerSwapHandItemsEvent;
|
|
import com.loohp.limbo.events.player.PluginMessageEvent;
|
|
import com.loohp.limbo.events.status.StatusPingEvent;
|
|
import com.loohp.limbo.file.ServerProperties;
|
|
import com.loohp.limbo.inventory.AnvilInventory;
|
|
import com.loohp.limbo.inventory.Inventory;
|
|
import com.loohp.limbo.inventory.ItemStack;
|
|
import com.loohp.limbo.location.Location;
|
|
import com.loohp.limbo.network.protocol.packets.*;
|
|
import com.loohp.limbo.network.protocol.packets.ServerboundResourcePackPacket.Action;
|
|
import com.loohp.limbo.network.protocol.packets.PacketPlayOutPlayerAbilities.PlayerAbilityFlags;
|
|
import com.loohp.limbo.network.protocol.packets.PacketPlayOutPlayerInfo.PlayerInfoAction;
|
|
import com.loohp.limbo.network.protocol.packets.PacketPlayOutPlayerInfo.PlayerInfoData;
|
|
import com.loohp.limbo.network.protocol.packets.PacketPlayOutPlayerInfo.PlayerInfoData.PlayerInfoDataAddPlayer.PlayerSkinProperty;
|
|
import com.loohp.limbo.network.protocol.packets.PacketPlayOutTabComplete.TabCompleteMatches;
|
|
import com.loohp.limbo.player.Player;
|
|
import com.loohp.limbo.player.PlayerInteractManager;
|
|
import com.loohp.limbo.player.PlayerInventory;
|
|
import com.loohp.limbo.utils.BungeecordAdventureConversionUtils;
|
|
import com.loohp.limbo.utils.CheckedBiConsumer;
|
|
import com.loohp.limbo.utils.CustomStringUtils;
|
|
import com.loohp.limbo.utils.DataTypeIO;
|
|
import com.loohp.limbo.utils.DeclareCommands;
|
|
import com.loohp.limbo.utils.ForwardingUtils;
|
|
import com.loohp.limbo.utils.GameMode;
|
|
import com.loohp.limbo.utils.InventoryClickUtils;
|
|
import com.loohp.limbo.utils.MojangAPIUtils;
|
|
import com.loohp.limbo.utils.MojangAPIUtils.SkinResponse;
|
|
import com.loohp.limbo.world.BlockPosition;
|
|
import com.loohp.limbo.world.BlockState;
|
|
import com.loohp.limbo.world.World;
|
|
import net.kyori.adventure.key.Key;
|
|
import net.kyori.adventure.text.Component;
|
|
import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
|
|
import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
|
|
import net.md_5.bungee.api.ChatColor;
|
|
import net.md_5.bungee.api.chat.BaseComponent;
|
|
import net.md_5.bungee.api.chat.TextComponent;
|
|
import net.md_5.bungee.api.chat.TranslatableComponent;
|
|
import org.json.simple.JSONArray;
|
|
import org.json.simple.JSONObject;
|
|
import org.json.simple.parser.JSONParser;
|
|
|
|
import java.io.ByteArrayOutputStream;
|
|
import java.io.DataInput;
|
|
import java.io.DataInputStream;
|
|
import java.io.DataOutputStream;
|
|
import java.io.IOException;
|
|
import java.io.PrintWriter;
|
|
import java.io.StringWriter;
|
|
import java.lang.reflect.Constructor;
|
|
import java.net.InetAddress;
|
|
import java.net.Socket;
|
|
import java.nio.charset.StandardCharsets;
|
|
import java.util.ArrayList;
|
|
import java.util.Arrays;
|
|
import java.util.EnumSet;
|
|
import java.util.HashSet;
|
|
import java.util.List;
|
|
import java.util.Optional;
|
|
import java.util.Random;
|
|
import java.util.Set;
|
|
import java.util.Timer;
|
|
import java.util.TimerTask;
|
|
import java.util.UUID;
|
|
import java.util.concurrent.TimeUnit;
|
|
import java.util.concurrent.atomic.AtomicLong;
|
|
import java.util.stream.Collectors;
|
|
|
|
public class ClientConnection extends Thread {
|
|
|
|
private static final Key DEFAULT_HANDLER_NAMESPACE = Key.key("default");
|
|
private static final String BRAND_ANNOUNCE_CHANNEL = Key.key("brand").toString();
|
|
|
|
private final Random random = new Random();
|
|
private final Socket clientSocket;
|
|
protected Channel channel;
|
|
private boolean running;
|
|
private volatile ClientState state;
|
|
|
|
private Player player;
|
|
private TimerTask keepAliveTask;
|
|
private AtomicLong lastPacketTimestamp;
|
|
private AtomicLong lastKeepAlivePayLoad;
|
|
private InetAddress inetAddress;
|
|
private boolean ready;
|
|
|
|
public ClientConnection(Socket clientSocket) {
|
|
this.clientSocket = clientSocket;
|
|
this.inetAddress = clientSocket.getInetAddress();
|
|
this.lastPacketTimestamp = new AtomicLong(-1);
|
|
this.lastKeepAlivePayLoad = new AtomicLong(-1);
|
|
this.channel = null;
|
|
this.running = false;
|
|
this.ready = false;
|
|
}
|
|
|
|
public InetAddress getInetAddress() {
|
|
return inetAddress;
|
|
}
|
|
|
|
public long getLastKeepAlivePayLoad() {
|
|
return lastKeepAlivePayLoad.get();
|
|
}
|
|
|
|
public void setLastKeepAlivePayLoad(long payLoad) {
|
|
this.lastKeepAlivePayLoad.set(payLoad);
|
|
}
|
|
|
|
public long getLastPacketTimestamp() {
|
|
return lastPacketTimestamp.get();
|
|
}
|
|
|
|
public void setLastPacketTimestamp(long payLoad) {
|
|
this.lastPacketTimestamp.set(payLoad);
|
|
}
|
|
|
|
public TimerTask getKeepAliveTask() {
|
|
return this.keepAliveTask;
|
|
}
|
|
|
|
public Player getPlayer() {
|
|
return player;
|
|
}
|
|
|
|
public ClientState getClientState() {
|
|
return state;
|
|
}
|
|
|
|
public Socket getSocket() {
|
|
return clientSocket;
|
|
}
|
|
|
|
public Channel getChannel() {
|
|
return channel;
|
|
}
|
|
|
|
public boolean isRunning() {
|
|
return running;
|
|
}
|
|
|
|
public boolean isReady() {
|
|
return ready;
|
|
}
|
|
|
|
public void sendPluginMessage(String channel, byte[] data) throws IOException {
|
|
PacketPlayOutPluginMessaging packet = new PacketPlayOutPluginMessaging(channel, data);
|
|
sendPacket(packet);
|
|
}
|
|
|
|
public synchronized void sendPacket(PacketOut packet) throws IOException {
|
|
if (channel.writePacket(packet)) {
|
|
setLastPacketTimestamp(System.currentTimeMillis());
|
|
}
|
|
}
|
|
|
|
public void disconnect(BaseComponent[] reason) {
|
|
disconnect(BungeecordAdventureConversionUtils.toComponent(reason));
|
|
}
|
|
|
|
public void disconnect(Component reason) {
|
|
try {
|
|
PacketPlayOutDisconnect packet = new PacketPlayOutDisconnect(reason);
|
|
sendPacket(packet);
|
|
} catch (IOException ignored) {
|
|
}
|
|
try {
|
|
clientSocket.close();
|
|
} catch (IOException ignored) {
|
|
}
|
|
}
|
|
|
|
private void disconnectDuringLogin(BaseComponent[] reason) {
|
|
disconnectDuringLogin(BungeecordAdventureConversionUtils.toComponent(reason));
|
|
}
|
|
|
|
private void disconnectDuringLogin(Component reason) {
|
|
ServerProperties properties = Limbo.getInstance().getServerProperties();
|
|
if (!properties.isReducedDebugInfo()) {
|
|
String str = (properties.isLogPlayerIPAddresses() ? inetAddress.getHostName() : "<ip address withheld>") + ":" + clientSocket.getPort();
|
|
Limbo.getInstance().getConsole().sendMessage("[/" + str + "] <-> Player disconnected with the reason " + PlainTextComponentSerializer.plainText().serialize(reason));
|
|
}
|
|
try {
|
|
PacketLoginOutDisconnect packet = new PacketLoginOutDisconnect(reason);
|
|
sendPacket(packet);
|
|
} catch (IOException ignored) {
|
|
}
|
|
try {
|
|
clientSocket.close();
|
|
} catch (IOException ignored) {
|
|
}
|
|
}
|
|
|
|
private void setChannel(DataInputStream input, DataOutputStream output) {
|
|
this.channel = new Channel(this, input, output);
|
|
|
|
this.channel.addHandlerBefore(DEFAULT_HANDLER_NAMESPACE, new ChannelPacketHandler() {
|
|
@Override
|
|
public ChannelPacketRead read(ChannelPacketRead read) {
|
|
if (read.hasReadPacket()) {
|
|
return super.read(read);
|
|
}
|
|
try {
|
|
DataInput input = read.getDataInput();
|
|
int size = read.getSize();
|
|
int packetId = read.getPacketId();
|
|
Class<? extends PacketIn> packetType;
|
|
switch (state) {
|
|
case HANDSHAKE:
|
|
packetType = Packet.getHandshakeIn().get(packetId);
|
|
break;
|
|
case STATUS:
|
|
packetType = Packet.getStatusIn().get(packetId);
|
|
break;
|
|
case LOGIN:
|
|
packetType = Packet.getLoginIn().get(packetId);
|
|
break;
|
|
case CONFIGURATION:
|
|
packetType = Packet.getConfigurationIn().get(packetId);
|
|
break;
|
|
case PLAY:
|
|
packetType = Packet.getPlayIn().get(packetId);
|
|
break;
|
|
default:
|
|
throw new IllegalStateException("Illegal ClientState!");
|
|
}
|
|
if (packetType == null) {
|
|
input.skipBytes(size - DataTypeIO.getVarIntLength(packetId));
|
|
return null;
|
|
}
|
|
Constructor<?>[] constructors = packetType.getConstructors();
|
|
Constructor<?> constructor = Arrays.stream(constructors).filter(each -> each.getParameterCount() > 0 && each.getParameterTypes()[0].equals(DataInputStream.class)).findFirst().orElse(null);
|
|
if (constructor == null) {
|
|
throw new NoSuchMethodException(packetType + " has no valid constructors!");
|
|
} else if (constructor.getParameterCount() == 1) {
|
|
read.setPacket((PacketIn) constructor.newInstance(input));
|
|
} else if (constructor.getParameterCount() == 3) {
|
|
read.setPacket((PacketIn) constructor.newInstance(input, size, packetId));
|
|
} else {
|
|
throw new NoSuchMethodException(packetType + " has no valid constructors!");
|
|
}
|
|
return super.read(read);
|
|
} catch (Exception e) {
|
|
throw new RuntimeException("Unable to read packet", e);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
@SuppressWarnings("deprecation")
|
|
@Override
|
|
public void run() {
|
|
running = true;
|
|
state = ClientState.HANDSHAKE;
|
|
try {
|
|
clientSocket.setKeepAlive(true);
|
|
setChannel(new DataInputStream(clientSocket.getInputStream()), new DataOutputStream(clientSocket.getOutputStream()));
|
|
int handShakeSize = DataTypeIO.readVarInt(channel.input);
|
|
|
|
//legacy ping
|
|
if (handShakeSize == 0xFE) {
|
|
ServerProperties properties = Limbo.getInstance().getServerProperties();
|
|
|
|
state = ClientState.LEGACY;
|
|
channel.output.writeByte(255);
|
|
String str = (properties.isLogPlayerIPAddresses() ? inetAddress.getHostName() : "<ip address withheld>") + ":" + clientSocket.getPort();
|
|
Limbo.getInstance().getConsole().sendMessage("[/" + str + "] <-> Legacy Status has pinged");
|
|
ServerProperties p = Limbo.getInstance().getServerProperties();
|
|
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)));
|
|
String response = Limbo.getInstance().buildLegacyPingResponse(event.getVersion(), event.getMotd(), event.getMaxPlayers(), event.getPlayersOnline());
|
|
byte[] bytes = response.getBytes(StandardCharsets.UTF_16BE);
|
|
channel.output.writeShort(response.length());
|
|
channel.output.write(bytes);
|
|
|
|
channel.close();
|
|
clientSocket.close();
|
|
state = ClientState.DISCONNECTED;
|
|
}
|
|
|
|
Limbo.getInstance().getEventsManager().callEvent(new ConnectionEstablishedEvent(this));
|
|
|
|
PacketHandshakingIn handshake = (PacketHandshakingIn) channel.readPacket(handShakeSize);
|
|
|
|
boolean isBungeecord = Limbo.getInstance().getServerProperties().isBungeecord();
|
|
boolean isBungeeGuard = Limbo.getInstance().getServerProperties().isBungeeGuard();
|
|
boolean isVelocityModern = Limbo.getInstance().getServerProperties().isVelocityModern();
|
|
String bungeeForwarding = handshake.getServerAddress();
|
|
UUID bungeeUUID = null;
|
|
SkinResponse forwardedSkin = null;
|
|
|
|
try {
|
|
switch (handshake.getHandshakeType()) {
|
|
case STATUS:
|
|
state = ClientState.STATUS;
|
|
while (clientSocket.isConnected()) {
|
|
PacketIn packetIn = channel.readPacket();
|
|
if (packetIn instanceof PacketStatusInRequest) {
|
|
ServerProperties properties = Limbo.getInstance().getServerProperties();
|
|
|
|
String str = (properties.isLogPlayerIPAddresses() ? inetAddress.getHostName() : "<ip address withheld>") + ":" + clientSocket.getPort();
|
|
if (Limbo.getInstance().getServerProperties().handshakeVerboseEnabled()) {
|
|
Limbo.getInstance().getConsole().sendMessage("[/" + str + "] <-> Handshake Status has pinged");
|
|
}
|
|
ServerProperties p = Limbo.getInstance().getServerProperties();
|
|
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)));
|
|
PacketStatusOutResponse response = new PacketStatusOutResponse(Limbo.getInstance().buildServerListResponseJson(event.getVersion(), event.getProtocol(), event.getMotd(), event.getMaxPlayers(), event.getPlayersOnline(), event.getFavicon()));
|
|
sendPacket(response);
|
|
} else if (packetIn instanceof PacketStatusInPing) {
|
|
PacketStatusInPing ping = (PacketStatusInPing) packetIn;
|
|
PacketStatusOutPong pong = new PacketStatusOutPong(ping.getPayload());
|
|
sendPacket(pong);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case LOGIN:
|
|
state = ClientState.LOGIN;
|
|
ServerProperties properties = Limbo.getInstance().getServerProperties();
|
|
|
|
if (isBungeecord || isBungeeGuard) {
|
|
try {
|
|
String[] data = bungeeForwarding.split("\\x00");
|
|
String host = "";
|
|
String floodgate = "";
|
|
String clientIp = "";
|
|
String bungee = "";
|
|
String skinData = "";
|
|
int state = 0;
|
|
for (int i = 0; i < data.length; i++) {
|
|
if (!properties.isReducedDebugInfo()) {
|
|
Limbo.getInstance().getConsole().sendMessage(i + ": " + data[i]);
|
|
}
|
|
|
|
switch (state) {
|
|
default:
|
|
Limbo.getInstance().getConsole().sendMessage(i + ": ignore data: State: " + state);
|
|
break;
|
|
case 0:
|
|
host = data[i];
|
|
state = 1;
|
|
break;
|
|
case 1:
|
|
if (data[i].startsWith("^Floodgate^")) {
|
|
floodgate = data[i];
|
|
state = 2;
|
|
break;
|
|
}
|
|
/* fallthrough */
|
|
case 2:
|
|
clientIp = data[i];
|
|
state = 3;
|
|
break;
|
|
case 3:
|
|
bungee = data[i];
|
|
state = 4;
|
|
break;
|
|
case 4:
|
|
skinData = data[i];
|
|
state = 6;
|
|
break;
|
|
}
|
|
}
|
|
if (state != 6) {
|
|
throw new IllegalStateException("Illegal bungee state: " + state);
|
|
}
|
|
|
|
if (!properties.isReducedDebugInfo()) {
|
|
Limbo.getInstance().getConsole().sendMessage("Host: " + host);
|
|
Limbo.getInstance().getConsole().sendMessage("Floodgate: " + floodgate);
|
|
Limbo.getInstance().getConsole().sendMessage("clientIp: " + clientIp);
|
|
Limbo.getInstance().getConsole().sendMessage("bungee: " + bungee);
|
|
Limbo.getInstance().getConsole().sendMessage("skinData: " + skinData);
|
|
}
|
|
|
|
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"));
|
|
inetAddress = InetAddress.getByName(clientIp);
|
|
|
|
boolean bungeeGuardFound = false;
|
|
|
|
if (!skinData.equals("")) {
|
|
JSONArray skinJson = (JSONArray) new JSONParser().parse(skinData);
|
|
|
|
for (Object obj : skinJson) {
|
|
JSONObject property = (JSONObject) obj;
|
|
if (property.get("name").toString().equals("textures")) {
|
|
String skin = property.get("value").toString();
|
|
String signature = property.get("signature").toString();
|
|
forwardedSkin = new SkinResponse(skin, signature);
|
|
} 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 : start.getUniqueId();
|
|
if (uuid == null) {
|
|
uuid = 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);
|
|
|
|
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));
|
|
} 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);
|
|
|
|
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));
|
|
} else if (packetIn instanceof ServerboundLoginAcknowledgedPacket) {
|
|
state = ClientState.CONFIGURATION;
|
|
break;
|
|
}
|
|
}
|
|
|
|
PlayerLoginEvent event = Limbo.getInstance().getEventsManager().callEvent(new PlayerLoginEvent(this, false, Component.empty()));
|
|
if (event.isCancelled()) {
|
|
disconnectDuringLogin(event.getCancelReason());
|
|
}
|
|
|
|
break;
|
|
}
|
|
} catch (Exception e) {
|
|
channel.close();
|
|
clientSocket.close();
|
|
state = ClientState.DISCONNECTED;
|
|
}
|
|
|
|
if (state == ClientState.CONFIGURATION) {
|
|
|
|
TimeUnit.MILLISECONDS.sleep(500);
|
|
|
|
ClientboundRegistryDataPacket registryDataPacket = new ClientboundRegistryDataPacket(Limbo.getInstance().getDimensionRegistry().getCodec());
|
|
sendPacket(registryDataPacket);
|
|
|
|
ClientboundFinishConfigurationPacket clientboundFinishConfigurationPacket = new ClientboundFinishConfigurationPacket();
|
|
sendPacket(clientboundFinishConfigurationPacket);
|
|
|
|
ServerboundFinishConfigurationPacket serverboundFinishConfigurationPacket = (ServerboundFinishConfigurationPacket) channel.readPacket();
|
|
|
|
state = ClientState.PLAY;
|
|
Limbo.getInstance().getUnsafe().a(player);
|
|
|
|
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, Limbo.getInstance().getWorlds(), (byte) properties.getMaxPlayers(), 8, 8, properties.isReducedDebugInfo(), true, false, world.getEnvironment(), world, 0, properties.getDefaultGamemode(), false, true, 0);
|
|
sendPacket(join);
|
|
Limbo.getInstance().getUnsafe().a(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(EnumSet.of(PlayerInfoAction.ADD_PLAYER, PlayerInfoAction.UPDATE_GAME_MODE, PlayerInfoAction.UPDATE_LISTED, PlayerInfoAction.UPDATE_LATENCY, PlayerInfoAction.UPDATE_DISPLAY_NAME), player.getUniqueId(), new PlayerInfoData.PlayerInfoDataAddPlayer(player.getName(), true, 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!");
|
|
|
|
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);
|
|
Limbo.getInstance().getUnsafe().a(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());
|
|
|
|
// Start waiting for level chunks
|
|
PacketPlayOutGameEvent gameEvent = new PacketPlayOutGameEvent((byte) 13, 0);
|
|
sendPacket(gameEvent);
|
|
|
|
ready = true;
|
|
player.playerInteractManager.update();
|
|
|
|
keepAliveTask = new TimerTask() {
|
|
@Override
|
|
public void run() {
|
|
if (state.equals(ClientState.DISCONNECTED)) {
|
|
this.cancel();
|
|
} else if (ready && state.equals(ClientState.PLAY)) {
|
|
long now = System.currentTimeMillis();
|
|
if (now - getLastPacketTimestamp() > 15000) {
|
|
PacketPlayOutKeepAlive keepAlivePacket = new PacketPlayOutKeepAlive(now);
|
|
try {
|
|
sendPacket(keepAlivePacket);
|
|
setLastKeepAlivePayLoad(now);
|
|
} catch (Exception e) {
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
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);
|
|
sendPacket(cancel);
|
|
} else {
|
|
Location to = event.getTo();
|
|
Limbo.getInstance().getUnsafe().a(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);
|
|
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().a(player, event.getSlot());
|
|
} else {
|
|
Limbo.getInstance().getUnsafe().a(player, event.getSlot());
|
|
}
|
|
|
|
} else if (packetIn instanceof ServerboundResourcePackPacket) {
|
|
ServerboundResourcePackPacket rpcheck = (ServerboundResourcePackPacket) packetIn;
|
|
// Pass on result to the events
|
|
Limbo.getInstance().getEventsManager().callEvent(new PlayerResourcePackStatusEvent(player, rpcheck.getAction()));
|
|
if (rpcheck.getAction().equals(Action.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()));
|
|
} else if (packetIn instanceof PacketPlayInBlockPlace) {
|
|
PacketPlayInBlockPlace packet = (PacketPlayInBlockPlace) packetIn;
|
|
Limbo.getInstance().getEventsManager().callEvent(new PlayerInteractEvent(player, PlayerInteractEvent.Action.RIGHT_CLICK_AIR, player.getEquipment().getItem(packet.getHand()), null, null, packet.getHand()));
|
|
} else if (packetIn instanceof PacketPlayInUseItem) {
|
|
PacketPlayInUseItem packet = (PacketPlayInUseItem) packetIn;
|
|
BlockState block = player.getWorld().getBlock(packet.getBlockHit().getBlockPos());
|
|
Limbo.getInstance().getEventsManager().callEvent(new PlayerInteractEvent(player, PlayerInteractEvent.Action.RIGHT_CLICK_AIR, player.getEquipment().getItem(packet.getHand()), block, packet.getBlockHit().getDirection(), packet.getHand()));
|
|
} else if (packetIn instanceof PacketPlayInSetCreativeSlot) {
|
|
PacketPlayInSetCreativeSlot packet = (PacketPlayInSetCreativeSlot) packetIn;
|
|
InventoryCreativeEvent event = Limbo.getInstance().getEventsManager().callEvent(new InventoryCreativeEvent(player.getInventoryView(), player.getInventory().getUnsafe().b().applyAsInt(packet.getSlotNumber()), packet.getItemStack()));
|
|
if (event.isCancelled()) {
|
|
player.updateInventory();
|
|
} else {
|
|
player.getInventory().setItem(event.getSlot(), event.getNewItem());
|
|
}
|
|
} else if (packetIn instanceof PacketPlayInWindowClick) {
|
|
PacketPlayInWindowClick packet = (PacketPlayInWindowClick) packetIn;
|
|
try {
|
|
InventoryClickUtils.handle(player, packet);
|
|
} catch (Throwable e) {
|
|
e.printStackTrace();
|
|
}
|
|
} else if (packetIn instanceof PacketPlayInCloseWindow) {
|
|
PacketPlayInCloseWindow packet = (PacketPlayInCloseWindow) packetIn;
|
|
Inventory inventory = player.getInventoryView().getTopInventory();
|
|
if (inventory != null) {
|
|
Integer id = inventory.getUnsafe().c().get(player);
|
|
if (id != null) {
|
|
Limbo.getInstance().getEventsManager().callEvent(new InventoryCloseEvent(player.getInventoryView()));
|
|
player.getInventoryView().getUnsafe().a(null, null);
|
|
inventory.getUnsafe().c().remove(player);
|
|
}
|
|
}
|
|
} else if (packetIn instanceof PacketPlayInBlockDig) {
|
|
PacketPlayInBlockDig packet = (PacketPlayInBlockDig) packetIn;
|
|
//noinspection SwitchStatementWithTooFewBranches
|
|
switch (packet.getAction()) {
|
|
case SWAP_ITEM_WITH_OFFHAND: {
|
|
EntityEquipment equipment = player.getEquipment();
|
|
PlayerSwapHandItemsEvent event = Limbo.getInstance().getEventsManager().callEvent(new PlayerSwapHandItemsEvent(player, equipment.getItemInOffHand(), equipment.getItemInMainHand()));
|
|
if (!event.isCancelled()) {
|
|
equipment.setItemInMainHand(event.getMainHandItem());
|
|
equipment.setItemInOffHand(event.getOffHandItem());
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
} else if (packetIn instanceof PacketPlayInPickItem) {
|
|
PacketPlayInPickItem packet = (PacketPlayInPickItem) packetIn;
|
|
PlayerInventory inventory = player.getInventory();
|
|
int slot = inventory.getUnsafe().b().applyAsInt(packet.getSlot());
|
|
int i = player.getSelectedSlot();
|
|
byte selectedSlot = -1;
|
|
boolean firstRun = true;
|
|
while (selectedSlot < 0 || (!firstRun && i == player.getSelectedSlot())) {
|
|
ItemStack itemStack = inventory.getItem(i);
|
|
if (itemStack == null) {
|
|
selectedSlot = (byte) i;
|
|
break;
|
|
}
|
|
if (++i >= 9) {
|
|
i = 0;
|
|
}
|
|
}
|
|
if (selectedSlot < 0) {
|
|
selectedSlot = player.getSelectedSlot();
|
|
}
|
|
ItemStack leavingHotbar = inventory.getItem(selectedSlot);
|
|
inventory.setItem(selectedSlot, inventory.getItem(slot));
|
|
inventory.setItem(slot, leavingHotbar);
|
|
player.setSelectedSlot(selectedSlot);
|
|
} else if (packetIn instanceof PacketPlayInItemName) {
|
|
PacketPlayInItemName packet = (PacketPlayInItemName) packetIn;
|
|
if (player.getInventoryView().getTopInventory() instanceof AnvilInventory) {
|
|
AnvilRenameInputEvent event = Limbo.getInstance().getEventsManager().callEvent(new AnvilRenameInputEvent(player.getInventoryView(), packet.getName()));
|
|
if (!event.isCancelled()) {
|
|
AnvilInventory anvilInventory = (AnvilInventory) player.getInventoryView().getTopInventory();
|
|
ItemStack result = anvilInventory.getItem(2);
|
|
if (result != null) {
|
|
result.displayName(LegacyComponentSerializer.legacySection().deserialize(event.getInput()));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} 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().getUnsafe().b(player);
|
|
}
|
|
Limbo.getInstance().getServerConnection().getClients().remove(this);
|
|
running = false;
|
|
}
|
|
|
|
public enum ClientState {
|
|
LEGACY,
|
|
HANDSHAKE,
|
|
STATUS,
|
|
LOGIN,
|
|
CONFIGURATION,
|
|
PLAY,
|
|
DISCONNECTED;
|
|
}
|
|
|
|
}
|