forked from GeyserMC/Geyser
181 lines
6.3 KiB
Java
181 lines
6.3 KiB
Java
/*
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* Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*
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*/
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package org.geysermc.platform.bungeecord;
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import lombok.AllArgsConstructor;
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import net.md_5.bungee.api.ProxyServer;
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import net.md_5.bungee.api.ServerPing;
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import net.md_5.bungee.api.chat.BaseComponent;
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import net.md_5.bungee.api.config.ListenerInfo;
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import net.md_5.bungee.api.connection.PendingConnection;
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import net.md_5.bungee.api.event.ProxyPingEvent;
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import net.md_5.bungee.api.plugin.Listener;
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import net.md_5.bungee.protocol.ProtocolConstants;
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import org.geysermc.connector.common.ping.GeyserPingInfo;
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import org.geysermc.connector.ping.IGeyserPingPassthrough;
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import java.net.Inet4Address;
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import java.net.InetSocketAddress;
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import java.net.SocketAddress;
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import java.util.Arrays;
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import java.util.UUID;
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import java.util.concurrent.CompletableFuture;
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@AllArgsConstructor
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public class GeyserBungeePingPassthrough implements IGeyserPingPassthrough, Listener {
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private static final GeyserPendingConnection PENDING_CONNECTION = new GeyserPendingConnection();
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private final ProxyServer proxyServer;
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@Override
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public GeyserPingInfo getPingInformation() {
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CompletableFuture<ProxyPingEvent> future = new CompletableFuture<>();
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proxyServer.getPluginManager().callEvent(new ProxyPingEvent(PENDING_CONNECTION, getPingInfo(), (event, throwable) -> {
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if (throwable != null) future.completeExceptionally(throwable);
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else future.complete(event);
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}));
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ProxyPingEvent event = future.join();
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ServerPing response = event.getResponse();
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GeyserPingInfo geyserPingInfo = new GeyserPingInfo(
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response.getDescriptionComponent().toLegacyText(),
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new GeyserPingInfo.Players(response.getPlayers().getMax(), response.getPlayers().getOnline()),
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new GeyserPingInfo.Version(response.getVersion().getName(), response.getVersion().getProtocol())
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);
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if (event.getResponse().getPlayers().getSample() != null) {
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Arrays.stream(event.getResponse().getPlayers().getSample()).forEach(proxiedPlayer -> {
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geyserPingInfo.getPlayerList().add(proxiedPlayer.getName());
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});
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}
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return geyserPingInfo;
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}
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// This is static so pending connection can use it
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private static ListenerInfo getDefaultListener() {
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return ProxyServer.getInstance().getConfig().getListeners().iterator().next();
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}
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private ServerPing getPingInfo() {
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return new ServerPing(
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new ServerPing.Protocol(proxyServer.getName() + " " + proxyServer.getGameVersion(), ProtocolConstants.SUPPORTED_VERSION_IDS.get(ProtocolConstants.SUPPORTED_VERSION_IDS.size() - 1)),
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new ServerPing.Players(getDefaultListener().getMaxPlayers(), proxyServer.getOnlineCount(), null),
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getDefaultListener().getMotd(), proxyServer.getConfig().getFaviconObject()
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);
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}
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private static class GeyserPendingConnection implements PendingConnection {
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private static final UUID FAKE_UUID = UUID.nameUUIDFromBytes("geyser!internal".getBytes());
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private static final InetSocketAddress FAKE_REMOTE = new InetSocketAddress(Inet4Address.getLoopbackAddress(), 69);
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@Override
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public String getName() {
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throw new UnsupportedOperationException();
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}
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@Override
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public int getVersion() {
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return ProtocolConstants.SUPPORTED_VERSION_IDS.get(ProtocolConstants.SUPPORTED_VERSION_IDS.size() - 1);
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}
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@Override
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public InetSocketAddress getVirtualHost() {
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return null;
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}
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@Override
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public ListenerInfo getListener() {
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return getDefaultListener();
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}
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@Override
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public String getUUID() {
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return FAKE_UUID.toString();
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}
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@Override
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public UUID getUniqueId() {
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return FAKE_UUID;
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}
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@Override
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public void setUniqueId(UUID uuid) {
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throw new UnsupportedOperationException();
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}
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@Override
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public boolean isOnlineMode() {
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return true;
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}
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@Override
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public void setOnlineMode(boolean b) {
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throw new UnsupportedOperationException();
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}
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@Override
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public boolean isLegacy() {
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return false;
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}
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@Override
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public InetSocketAddress getAddress() {
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return FAKE_REMOTE;
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}
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@Override
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public SocketAddress getSocketAddress() {
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return getAddress();
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}
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@Override
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public void disconnect(String s) {
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throw new UnsupportedOperationException();
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}
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@Override
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public void disconnect(BaseComponent... baseComponents) {
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throw new UnsupportedOperationException();
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}
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@Override
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public void disconnect(BaseComponent baseComponent) {
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throw new UnsupportedOperationException();
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}
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@Override
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public boolean isConnected() {
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return false;
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}
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@Override
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public Unsafe unsafe() {
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throw new UnsupportedOperationException();
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}
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}
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}
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