252 lines
12 KiB
Java
252 lines
12 KiB
Java
/*
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* Copyright (c) 2013-present RedisBungee contributors
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*
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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*
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* http://www.eclipse.org/legal/epl-v10.html
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*/
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package com.imaginarycode.minecraft.redisbungee;
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import com.google.common.base.Joiner;
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import com.google.common.collect.HashMultimap;
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import com.google.common.collect.Multimap;
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import com.google.common.io.ByteArrayDataInput;
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import com.google.common.io.ByteArrayDataOutput;
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import com.google.common.io.ByteStreams;
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import com.imaginarycode.minecraft.redisbungee.api.AbstractRedisBungeeListener;
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import com.imaginarycode.minecraft.redisbungee.api.config.RedisBungeeConfiguration;
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import com.imaginarycode.minecraft.redisbungee.api.util.player.PlayerUtils;
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import com.imaginarycode.minecraft.redisbungee.api.RedisBungeePlugin;
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import com.imaginarycode.minecraft.redisbungee.api.tasks.RedisTask;
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import com.imaginarycode.minecraft.redisbungee.api.util.payload.PayloadUtils;
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import com.imaginarycode.minecraft.redisbungee.events.PubSubMessageEvent;
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import net.md_5.bungee.api.AbstractReconnectHandler;
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import net.md_5.bungee.api.config.ServerInfo;
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import net.md_5.bungee.api.connection.ProxiedPlayer;
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import net.md_5.bungee.api.connection.Server;
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import net.md_5.bungee.api.event.*;
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import net.md_5.bungee.api.plugin.Listener;
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import net.md_5.bungee.api.plugin.Plugin;
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import net.md_5.bungee.event.EventHandler;
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import redis.clients.jedis.UnifiedJedis;
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import java.net.InetAddress;
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import java.util.*;
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import static com.imaginarycode.minecraft.redisbungee.api.util.serialize.Serializations.serializeMultimap;
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import static com.imaginarycode.minecraft.redisbungee.api.util.serialize.Serializations.serializeMultiset;
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import static net.md_5.bungee.event.EventPriority.HIGHEST;
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public class RedisBungeeBungeeListener extends AbstractRedisBungeeListener<LoginEvent, PostLoginEvent, PlayerDisconnectEvent, ServerConnectedEvent, ProxyPingEvent, PluginMessageEvent, PubSubMessageEvent> implements Listener {
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public RedisBungeeBungeeListener(RedisBungeePlugin<?> plugin, List<InetAddress> exemptAddresses) {
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super(plugin, exemptAddresses);
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}
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@Override
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@EventHandler(priority = HIGHEST)
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public void onLogin(LoginEvent event) {
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event.registerIntent((Plugin) plugin);
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plugin.executeAsync(new RedisTask<Void>(plugin) {
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@Override
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public Void unifiedJedisTask(UnifiedJedis unifiedJedis) {
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try {
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if (event.isCancelled()) {
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return null;
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}
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if (plugin.getConfiguration().restoreOldKickBehavior()) {
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for (String s : plugin.getProxiesIds()) {
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if (unifiedJedis.sismember("proxy:" + s + ":usersOnline", event.getConnection().getUniqueId().toString())) {
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event.setCancelled(true);
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event.setCancelReason(plugin.getConfiguration().getMessages().get(RedisBungeeConfiguration.MessageType.ALREADY_LOGGED_IN));
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return null;
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}
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}
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} else if (api.isPlayerOnline(event.getConnection().getUniqueId())) {
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PlayerUtils.setKickedOtherLocation(event.getConnection().getUniqueId().toString(), unifiedJedis);
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api.kickPlayer(event.getConnection().getUniqueId(), plugin.getConfiguration().getMessages().get(RedisBungeeConfiguration.MessageType.LOGGED_IN_OTHER_LOCATION));
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}
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return null;
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} finally {
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event.completeIntent((Plugin) plugin);
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}
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}
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});
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}
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@Override
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@EventHandler
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public void onPostLogin(PostLoginEvent event) {
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plugin.executeAsync(new RedisTask<Void>(plugin) {
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@Override
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public Void unifiedJedisTask(UnifiedJedis unifiedJedis) {
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plugin.getUuidTranslator().persistInfo(event.getPlayer().getName(), event.getPlayer().getUniqueId(), unifiedJedis);
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BungeePlayerUtils.createBungeePlayer(event.getPlayer(), unifiedJedis, true);
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return null;
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}
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});
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}
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@Override
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@EventHandler
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public void onPlayerDisconnect(PlayerDisconnectEvent event) {
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plugin.executeAsync(new RedisTask<Void>(plugin) {
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@Override
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public Void unifiedJedisTask(UnifiedJedis unifiedJedis) {
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PlayerUtils.cleanUpPlayer(event.getPlayer().getUniqueId().toString(), unifiedJedis, true);
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return null;
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}
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});
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}
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@Override
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@EventHandler
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public void onServerChange(ServerConnectedEvent event) {
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final String currentServer = event.getServer().getInfo().getName();
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final String oldServer = event.getPlayer().getServer() == null ? null : event.getPlayer().getServer().getInfo().getName();
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plugin.executeAsync(new RedisTask<Void>(plugin) {
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@Override
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public Void unifiedJedisTask(UnifiedJedis unifiedJedis) {
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unifiedJedis.hset("player:" + event.getPlayer().getUniqueId().toString(), "server", event.getServer().getInfo().getName());
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PayloadUtils.playerServerChangePayload(event.getPlayer().getUniqueId(), unifiedJedis, currentServer, oldServer);
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return null;
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}
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});
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}
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@Override
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@EventHandler
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public void onPing(ProxyPingEvent event) {
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if (exemptAddresses.contains(event.getConnection().getAddress().getAddress())) {
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return;
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}
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ServerInfo forced = AbstractReconnectHandler.getForcedHost(event.getConnection());
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if (forced != null && event.getConnection().getListener().isPingPassthrough()) {
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return;
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}
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event.getResponse().getPlayers().setOnline(plugin.getCount());
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}
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@Override
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@SuppressWarnings("UnstableApiUsage")
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@EventHandler
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public void onPluginMessage(PluginMessageEvent event) {
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if ((event.getTag().equals("legacy:redisbungee") || event.getTag().equals("RedisBungee")) && event.getSender() instanceof Server) {
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final String currentChannel = event.getTag();
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final byte[] data = Arrays.copyOf(event.getData(), event.getData().length);
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plugin.executeAsync(() -> {
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ByteArrayDataInput in = ByteStreams.newDataInput(data);
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String subchannel = in.readUTF();
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ByteArrayDataOutput out = ByteStreams.newDataOutput();
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String type;
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switch (subchannel) {
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case "PlayerList":
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out.writeUTF("PlayerList");
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Set<UUID> original = Collections.emptySet();
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type = in.readUTF();
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if (type.equals("ALL")) {
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out.writeUTF("ALL");
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original = plugin.getPlayers();
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} else {
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try {
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original = plugin.getAbstractRedisBungeeApi().getPlayersOnServer(type);
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} catch (IllegalArgumentException ignored) {
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}
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}
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Set<String> players = new HashSet<>();
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for (UUID uuid : original)
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players.add(plugin.getUuidTranslator().getNameFromUuid(uuid, false));
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out.writeUTF(Joiner.on(',').join(players));
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break;
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case "PlayerCount":
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out.writeUTF("PlayerCount");
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type = in.readUTF();
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if (type.equals("ALL")) {
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out.writeUTF("ALL");
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out.writeInt(plugin.getCount());
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} else {
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out.writeUTF(type);
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try {
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out.writeInt(plugin.getAbstractRedisBungeeApi().getPlayersOnServer(type).size());
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} catch (IllegalArgumentException e) {
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out.writeInt(0);
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}
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}
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break;
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case "LastOnline":
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String user = in.readUTF();
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out.writeUTF("LastOnline");
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out.writeUTF(user);
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out.writeLong(plugin.getAbstractRedisBungeeApi().getLastOnline(Objects.requireNonNull(plugin.getUuidTranslator().getTranslatedUuid(user, true))));
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break;
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case "ServerPlayers":
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String type1 = in.readUTF();
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out.writeUTF("ServerPlayers");
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Multimap<String, UUID> multimap = plugin.getAbstractRedisBungeeApi().getServerToPlayers();
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boolean includesUsers;
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switch (type1) {
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case "COUNT":
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includesUsers = false;
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break;
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case "PLAYERS":
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includesUsers = true;
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break;
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default:
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// TODO: Should I raise an error?
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return;
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}
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out.writeUTF(type1);
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if (includesUsers) {
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Multimap<String, String> human = HashMultimap.create();
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for (Map.Entry<String, UUID> entry : multimap.entries()) {
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human.put(entry.getKey(), plugin.getUuidTranslator().getNameFromUuid(entry.getValue(), false));
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}
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serializeMultimap(human, true, out);
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} else {
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serializeMultiset(multimap.keys(), out);
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}
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break;
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case "Proxy":
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out.writeUTF("Proxy");
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out.writeUTF(plugin.getConfiguration().getProxyId());
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break;
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case "PlayerProxy":
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String username = in.readUTF();
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out.writeUTF("PlayerProxy");
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out.writeUTF(username);
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out.writeUTF(plugin.getAbstractRedisBungeeApi().getProxy(Objects.requireNonNull(plugin.getUuidTranslator().getTranslatedUuid(username, true))));
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break;
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default:
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return;
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}
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((Server) event.getSender()).sendData(currentChannel, out.toByteArray());
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});
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}
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}
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@Override
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@EventHandler
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public void onPubSubMessage(PubSubMessageEvent event) {
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if (event.getChannel().equals("redisbungee-allservers") || event.getChannel().equals("redisbungee-" + plugin.getAbstractRedisBungeeApi().getProxyId())) {
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String message = event.getMessage();
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if (message.startsWith("/"))
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message = message.substring(1);
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plugin.logInfo("Invoking command via PubSub: /" + message);
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((Plugin) plugin).getProxy().getPluginManager().dispatchCommand(RedisBungeeCommandSender.getSingleton(), message);
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}
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}
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}
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