Geyser/connector/src/main/java/org/geysermc/connector/GeyserConnector.java

544 lines
23 KiB
Java

/*
* Copyright (c) 2019-2021 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.connector;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.github.steveice10.mc.protocol.MinecraftConstants;
import com.nukkitx.network.raknet.RakNetConstants;
import com.nukkitx.network.util.EventLoops;
import com.nukkitx.protocol.bedrock.BedrockServer;
import io.netty.channel.epoll.Epoll;
import io.netty.channel.kqueue.KQueue;
import io.netty.util.NettyRuntime;
import io.netty.util.internal.SystemPropertyUtil;
import lombok.Getter;
import lombok.Setter;
import org.geysermc.common.PlatformType;
import org.geysermc.connector.bootstrap.GeyserBootstrap;
import org.geysermc.connector.command.CommandManager;
import org.geysermc.connector.common.AuthType;
import org.geysermc.connector.configuration.GeyserConfiguration;
import org.geysermc.connector.metrics.Metrics;
import org.geysermc.connector.network.ConnectorServerEventHandler;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.translators.chat.MessageTranslator;
import org.geysermc.connector.registry.BlockRegistries;
import org.geysermc.connector.registry.Registries;
import org.geysermc.connector.network.translators.PacketTranslatorRegistry;
import org.geysermc.connector.network.translators.item.ItemTranslator;
import org.geysermc.connector.network.translators.world.WorldManager;
import org.geysermc.connector.network.translators.world.block.entity.SkullBlockEntityTranslator;
import org.geysermc.connector.skin.FloodgateSkinUploader;
import org.geysermc.connector.utils.*;
import org.geysermc.floodgate.crypto.AesCipher;
import org.geysermc.floodgate.crypto.AesKeyProducer;
import org.geysermc.floodgate.crypto.Base64Topping;
import org.geysermc.floodgate.crypto.FloodgateCipher;
import org.geysermc.floodgate.news.NewsItemAction;
import org.geysermc.floodgate.time.TimeSyncer;
import org.jetbrains.annotations.Contract;
import javax.naming.directory.Attribute;
import javax.naming.directory.InitialDirContext;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import java.security.Key;
import java.text.DecimalFormat;
import java.util.*;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@Getter
public class GeyserConnector {
public static final ObjectMapper JSON_MAPPER = new ObjectMapper()
.enable(JsonParser.Feature.IGNORE_UNDEFINED)
.enable(JsonParser.Feature.ALLOW_COMMENTS)
.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
.enable(JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES)
.enable(JsonParser.Feature.ALLOW_SINGLE_QUOTES);
public static final String NAME = "Geyser";
public static final String GIT_VERSION = "DEV"; // A fallback for running in IDEs
public static final String VERSION = "DEV"; // A fallback for running in IDEs
public static final String MINECRAFT_VERSION = MinecraftConstants.GAME_VERSION; // Change if multiple version strings are supported
/**
* Oauth client ID for Microsoft authentication
*/
public static final String OAUTH_CLIENT_ID = "204cefd1-4818-4de1-b98d-513fae875d88";
private static final String IP_REGEX = "\\b\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\b";
private final List<GeyserSession> players = new ArrayList<>();
private static GeyserConnector instance;
/**
* This is used in GeyserConnect to stop the bedrock server binding to a port
*/
@Setter
private static boolean shouldStartListener = true;
private final TimeSyncer timeSyncer;
private FloodgateCipher cipher;
private FloodgateSkinUploader skinUploader;
private final NewsHandler newsHandler;
private boolean shuttingDown = false;
private final ScheduledExecutorService generalThreadPool;
private final BedrockServer bedrockServer;
private final PlatformType platformType;
private final GeyserBootstrap bootstrap;
private Metrics metrics;
private GeyserConnector(PlatformType platformType, GeyserBootstrap bootstrap) {
long startupTime = System.currentTimeMillis();
instance = this;
this.bootstrap = bootstrap;
GeyserLogger logger = bootstrap.getGeyserLogger();
GeyserConfiguration config = bootstrap.getGeyserConfig();
this.platformType = platformType;
logger.info("******************************************");
logger.info("");
logger.info(LanguageUtils.getLocaleStringLog("geyser.core.load", NAME, VERSION));
logger.info("");
logger.info("******************************************");
this.generalThreadPool = Executors.newScheduledThreadPool(config.getGeneralThreadPool());
logger.setDebug(config.isDebugMode());
PacketTranslatorRegistry.init();
/* Initialize translators and registries */
BlockRegistries.init();
Registries.init();
ItemTranslator.init();
MessageTranslator.init();
LocaleUtils.init();
ResourcePack.loadPacks();
if (platformType != PlatformType.STANDALONE && config.getRemote().getAddress().equals("auto")) {
// Set the remote address to localhost since that is where we are always connecting
try {
config.getRemote().setAddress(InetAddress.getLocalHost().getHostAddress());
} catch (UnknownHostException ex) {
logger.debug("Unknown host when trying to find localhost.");
if (config.isDebugMode()) {
ex.printStackTrace();
}
config.getRemote().setAddress(InetAddress.getLoopbackAddress().getHostAddress());
}
}
String remoteAddress = config.getRemote().getAddress();
// Filters whether it is not an IP address or localhost, because otherwise it is not possible to find out an SRV entry.
if (!remoteAddress.matches(IP_REGEX) && !remoteAddress.equalsIgnoreCase("localhost")) {
int remotePort;
try {
// Searches for a server address and a port from a SRV record of the specified host name
InitialDirContext ctx = new InitialDirContext();
Attribute attr = ctx.getAttributes("dns:///_minecraft._tcp." + remoteAddress, new String[]{"SRV"}).get("SRV");
// size > 0 = SRV entry found
if (attr != null && attr.size() > 0) {
String[] record = ((String) attr.get(0)).split(" ");
// Overwrites the existing address and port with that from the SRV record.
config.getRemote().setAddress(remoteAddress = record[3]);
config.getRemote().setPort(remotePort = Integer.parseInt(record[2]));
logger.debug("Found SRV record \"" + remoteAddress + ":" + remotePort + "\"");
}
} catch (Exception | NoClassDefFoundError ex) { // Check for a NoClassDefFoundError to prevent Android crashes
logger.debug("Exception while trying to find an SRV record for the remote host.");
if (config.isDebugMode())
ex.printStackTrace(); // Otherwise we can get a stack trace for any domain that doesn't have an SRV record
}
}
TimeSyncer timeSyncer = null;
if (config.getRemote().getAuthType() == AuthType.FLOODGATE) {
timeSyncer = new TimeSyncer(Constants.NTP_SERVER);
try {
Key key = new AesKeyProducer().produceFrom(config.getFloodgateKeyPath());
cipher = new AesCipher(new Base64Topping());
cipher.init(key);
logger.info(LanguageUtils.getLocaleStringLog("geyser.auth.floodgate.loaded_key"));
skinUploader = new FloodgateSkinUploader(this).start();
} catch (Exception exception) {
logger.severe(LanguageUtils.getLocaleStringLog("geyser.auth.floodgate.bad_key"), exception);
}
}
this.timeSyncer = timeSyncer;
String branch = "unknown";
int buildNumber = -1;
if (this.isProductionEnvironment()) {
try {
Properties gitProperties = new Properties();
gitProperties.load(FileUtils.getResource("git.properties"));
branch = gitProperties.getProperty("git.branch");
String build = gitProperties.getProperty("git.build.number");
if (build != null) {
buildNumber = Integer.parseInt(build);
}
} catch (Throwable e) {
logger.error("Failed to read git.properties", e);
}
} else {
logger.debug("Not getting git properties for the news handler as we are in a development environment.");
}
newsHandler = new NewsHandler(branch, buildNumber);
CooldownUtils.setDefaultShowCooldown(config.getShowCooldown());
DimensionUtils.changeBedrockNetherId(config.isAboveBedrockNetherBuilding()); // Apply End dimension ID workaround to Nether
SkullBlockEntityTranslator.ALLOW_CUSTOM_SKULLS = config.isAllowCustomSkulls();
// https://github.com/GeyserMC/Geyser/issues/957
RakNetConstants.MAXIMUM_MTU_SIZE = (short) config.getMtu();
logger.debug("Setting MTU to " + config.getMtu());
Integer bedrockThreadCount = Integer.getInteger("Geyser.BedrockNetworkThreads");
if (bedrockThreadCount == null) {
// Copy the code from Netty's default thread count fallback
bedrockThreadCount = Math.max(1, SystemPropertyUtil.getInt("io.netty.eventLoopThreads", NettyRuntime.availableProcessors() * 2));
}
boolean enableProxyProtocol = config.getBedrock().isEnableProxyProtocol();
bedrockServer = new BedrockServer(
new InetSocketAddress(config.getBedrock().getAddress(), config.getBedrock().getPort()),
bedrockThreadCount,
EventLoops.commonGroup(),
enableProxyProtocol
);
if (config.isDebugMode()) {
logger.debug("EventLoop type: " + EventLoops.getChannelType());
if (EventLoops.getChannelType() == EventLoops.ChannelType.NIO) {
if (System.getProperties().contains("disableNativeEventLoop")) {
logger.debug("EventLoop type is NIO because native event loops are disabled.");
} else {
logger.debug("Reason for no Epoll: " + Epoll.unavailabilityCause().toString());
logger.debug("Reason for no KQueue: " + KQueue.unavailabilityCause().toString());
}
}
}
bedrockServer.setHandler(new ConnectorServerEventHandler(this));
if (shouldStartListener) {
bedrockServer.bind().whenComplete((avoid, throwable) -> {
if (throwable == null) {
logger.info(LanguageUtils.getLocaleStringLog("geyser.core.start", config.getBedrock().getAddress(), String.valueOf(config.getBedrock().getPort())));
} else {
logger.severe(LanguageUtils.getLocaleStringLog("geyser.core.fail", config.getBedrock().getAddress(), String.valueOf(config.getBedrock().getPort())));
throwable.printStackTrace();
}
}).join();
}
if (config.getMetrics().isEnabled()) {
metrics = new Metrics(this, "GeyserMC", config.getMetrics().getUniqueId(), false, java.util.logging.Logger.getLogger(""));
metrics.addCustomChart(new Metrics.SingleLineChart("players", players::size));
// Prevent unwanted words best we can
metrics.addCustomChart(new Metrics.SimplePie("authMode", () -> config.getRemote().getAuthType().toString().toLowerCase()));
metrics.addCustomChart(new Metrics.SimplePie("platform", platformType::getPlatformName));
metrics.addCustomChart(new Metrics.SimplePie("defaultLocale", LanguageUtils::getDefaultLocale));
metrics.addCustomChart(new Metrics.SimplePie("version", () -> GeyserConnector.VERSION));
metrics.addCustomChart(new Metrics.AdvancedPie("playerPlatform", () -> {
Map<String, Integer> valueMap = new HashMap<>();
for (GeyserSession session : players) {
if (session == null) continue;
if (session.getClientData() == null) continue;
String os = session.getClientData().getDeviceOs().toString();
if (!valueMap.containsKey(os)) {
valueMap.put(os, 1);
} else {
valueMap.put(os, valueMap.get(os) + 1);
}
}
return valueMap;
}));
metrics.addCustomChart(new Metrics.AdvancedPie("playerVersion", () -> {
Map<String, Integer> valueMap = new HashMap<>();
for (GeyserSession session : players) {
if (session == null) continue;
if (session.getClientData() == null) continue;
String version = session.getClientData().getGameVersion();
if (!valueMap.containsKey(version)) {
valueMap.put(version, 1);
} else {
valueMap.put(version, valueMap.get(version) + 1);
}
}
return valueMap;
}));
String minecraftVersion = bootstrap.getMinecraftServerVersion();
if (minecraftVersion != null) {
Map<String, Map<String, Integer>> versionMap = new HashMap<>();
Map<String, Integer> platformMap = new HashMap<>();
platformMap.put(platformType.getPlatformName(), 1);
versionMap.put(minecraftVersion, platformMap);
metrics.addCustomChart(new Metrics.DrilldownPie("minecraftServerVersion", () -> {
// By the end, we should return, for example:
// 1.16.5 => (Spigot, 1)
return versionMap;
}));
}
// The following code can be attributed to the PaperMC project
// https://github.com/PaperMC/Paper/blob/master/Spigot-Server-Patches/0005-Paper-Metrics.patch#L614
metrics.addCustomChart(new Metrics.DrilldownPie("javaVersion", () -> {
Map<String, Map<String, Integer>> map = new HashMap<>();
String javaVersion = System.getProperty("java.version");
Map<String, Integer> entry = new HashMap<>();
entry.put(javaVersion, 1);
// http://openjdk.java.net/jeps/223
// Java decided to change their versioning scheme and in doing so modified the
// java.version system property to return $major[.$minor][.$security][-ea], as opposed to
// 1.$major.0_$identifier we can handle pre-9 by checking if the "major" is equal to "1",
// otherwise, 9+
String majorVersion = javaVersion.split("\\.")[0];
String release;
int indexOf = javaVersion.lastIndexOf('.');
if (majorVersion.equals("1")) {
release = "Java " + javaVersion.substring(0, indexOf);
} else {
// of course, it really wouldn't be all that simple if they didn't add a quirk, now
// would it valid strings for the major may potentially include values such as -ea to
// denote a pre release
Matcher versionMatcher = Pattern.compile("\\d+").matcher(majorVersion);
if (versionMatcher.find()) {
majorVersion = versionMatcher.group(0);
}
release = "Java " + majorVersion;
}
map.put(release, entry);
return map;
}));
}
boolean isGui = false;
// This will check if we are in standalone and get the 'useGui' variable from there
if (platformType == PlatformType.STANDALONE) {
try {
Class<?> cls = Class.forName("org.geysermc.platform.standalone.GeyserStandaloneBootstrap");
isGui = (boolean) cls.getMethod("isUseGui").invoke(cls.cast(bootstrap));
} catch (Exception e) {
logger.debug("Failed detecting if standalone is using a GUI; if this is a GeyserConnect instance this can be safely ignored.");
}
}
double completeTime = (System.currentTimeMillis() - startupTime) / 1000D;
String message = LanguageUtils.getLocaleStringLog("geyser.core.finish.done", new DecimalFormat("#.###").format(completeTime)) + " ";
if (isGui) {
message += LanguageUtils.getLocaleStringLog("geyser.core.finish.gui");
} else {
message += LanguageUtils.getLocaleStringLog("geyser.core.finish.console");
}
logger.info(message);
if (platformType == PlatformType.STANDALONE) {
logger.warning(LanguageUtils.getLocaleStringLog("geyser.core.movement_warn"));
}
newsHandler.handleNews(null, NewsItemAction.ON_SERVER_STARTED);
}
public void shutdown() {
bootstrap.getGeyserLogger().info(LanguageUtils.getLocaleStringLog("geyser.core.shutdown"));
shuttingDown = true;
if (players.size() >= 1) {
bootstrap.getGeyserLogger().info(LanguageUtils.getLocaleStringLog("geyser.core.shutdown.kick.log", players.size()));
// Make a copy to prevent ConcurrentModificationException
final List<GeyserSession> tmpPlayers = new ArrayList<>(players);
for (GeyserSession playerSession : tmpPlayers) {
playerSession.disconnect(LanguageUtils.getPlayerLocaleString("geyser.core.shutdown.kick.message", playerSession.getLocale()));
}
CompletableFuture<Void> future = CompletableFuture.runAsync(new Runnable() {
@Override
public void run() {
// Simulate a long-running Job
try {
while (true) {
if (players.size() == 0) {
return;
}
TimeUnit.MILLISECONDS.sleep(100);
}
} catch (InterruptedException e) {
throw new IllegalStateException(e);
}
}
});
// Block and wait for the future to complete
try {
future.get();
bootstrap.getGeyserLogger().info(LanguageUtils.getLocaleStringLog("geyser.core.shutdown.kick.done"));
} catch (Exception e) {
// Quietly fail
}
}
generalThreadPool.shutdown();
bedrockServer.close();
if (timeSyncer != null) {
timeSyncer.shutdown();
}
if (skinUploader != null) {
skinUploader.close();
}
newsHandler.shutdown();
players.clear();
this.getCommandManager().getCommands().clear();
bootstrap.getGeyserLogger().info(LanguageUtils.getLocaleStringLog("geyser.core.shutdown.done"));
}
public void addPlayer(GeyserSession player) {
players.add(player);
}
public void removePlayer(GeyserSession player) {
players.remove(player);
}
/**
* Gets a player by their current UUID
*
* @param uuid the uuid
* @return the player or <code>null</code> if there is no player online with this UUID
*/
@Contract("null -> null")
public GeyserSession getPlayerByUuid(UUID uuid) {
if (uuid == null) {
return null;
}
for (GeyserSession session : players) {
if (uuid.equals(session.getPlayerEntity().getUuid())) {
return session;
}
}
return null;
}
/**
* Gets a player by their Xbox user identifier
*
* @param xuid the Xbox user identifier
* @return the player or <code>null</code> if there is no player online with this xuid
*/
@SuppressWarnings("unused") // API usage
public GeyserSession getPlayerByXuid(String xuid) {
for (GeyserSession session : players) {
if (session.getAuthData() != null && session.getAuthData().getXboxUUID().equals(xuid)) {
return session;
}
}
return null;
}
public static GeyserConnector start(PlatformType platformType, GeyserBootstrap bootstrap) {
return new GeyserConnector(platformType, bootstrap);
}
public void reload() {
shutdown();
bootstrap.onEnable();
}
public GeyserLogger getLogger() {
return bootstrap.getGeyserLogger();
}
public GeyserConfiguration getConfig() {
return bootstrap.getGeyserConfig();
}
public CommandManager getCommandManager() {
return bootstrap.getGeyserCommandManager();
}
public WorldManager getWorldManager() {
return bootstrap.getWorldManager();
}
public TimeSyncer getTimeSyncer() {
return timeSyncer;
}
/**
* Returns false if this Geyser instance is running in an IDE. This only needs to be used in cases where files
* expected to be in a jarfile are not present.
*
* @return true if the version number is not 'DEV'.
*/
public boolean isProductionEnvironment() {
//noinspection ConstantConditions - changes in production
return !"DEV".equals(GeyserConnector.VERSION);
}
/**
* Deprecated. Get the AuthType from the GeyserConfiguration through {@link GeyserConnector#getConfig()}
* @return The
*/
@Deprecated
public AuthType getDefaultAuthType() {
return getConfig().getRemote().getAuthType();
}
public static GeyserConnector getInstance() {
return instance;
}
}