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Merge pull request 'Forge Mod detection' (#292) from ModDetection1.13+ into master

Reviewed-on: SteamWar/BungeeCore#292
Reviewed-by: Lixfel <lixfel@steamwar.de>
Reviewed-by: YoyoNow <jwsteam@nidido.de>
Dieser Commit ist enthalten in:
Lixfel 2022-02-03 22:06:16 +01:00
Commit 3bacd8486e
8 geänderte Dateien mit 329 neuen und 122 gelöschten Zeilen

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@ -78,6 +78,7 @@ public class BungeeCore extends Plugin {
errorLogger = new ErrorLogger();
new ConnectionListener();
new Forge();
new Forge12();
new LabyMod();
new Badlion();
new ChatListener();

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@ -44,24 +44,26 @@ public class Message {
};
public static TextComponent parseToComponent(String message, boolean prefixed, CommandSender sender, Object... params){
return new TextComponent(TextComponent.fromLegacyText(parse(message, prefixed, sender, params)));
return new TextComponent(TextComponent.fromLegacyText(parse(message, prefixed, locale(sender), params)));
}
public static String parsePrefixed(String message, CommandSender sender, Object... params){
return parse(message, true, sender, params);
return parse(message, true, locale(sender), params);
}
public static String parse(String message, CommandSender sender, Object... params){
return parse(message, false, sender, params);
return parse(message, false, locale(sender), params);
}
private static String parse(String message, boolean prefixed, CommandSender sender, Object... params){
Locale locale = null;
if(sender instanceof ProxiedPlayer)
locale = ((ProxiedPlayer)sender).getLocale();
if(locale == null)
locale = Locale.getDefault();
public static String parse(String message, Locale locale, Object... params){
return parse(message, false, locale, params);
}
private static Locale locale(CommandSender sender) {
return sender instanceof ProxiedPlayer ? ((ProxiedPlayer)sender).getLocale() : Locale.getDefault();
}
private static String parse(String message, boolean prefixed, Locale locale, Object... params){
ResourceBundle resourceBundle = ResourceBundle.getBundle("de.steamwar.messages.BungeeCore", locale, CONTROL);
String pattern = "";
if(prefixed)
@ -72,7 +74,7 @@ public class Message {
for (int i = 0; i < params.length; i++) {
if(params[i] instanceof Message) {
Message msg = (Message) params[i];
params[i] = parse(msg.getMessage(), sender, msg.getParams());
params[i] = parse(msg.getMessage(), false, locale, msg.getParams());
} else if(params[i] instanceof Date) {
params[i] = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, locale).format((Date) params[i]);
}
@ -120,7 +122,7 @@ public class Message {
public static void broadcast(String message, String onHover, ClickEvent onClick, Object... params){
for(ProxiedPlayer player : ProxyServer.getInstance().getPlayers())
send(message, player, parse(onHover, false, player, params), onClick, params);
send(message, player, parse(onHover, player, params), onClick, params);
}
public static void broadcast(String message, Object... params){

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@ -0,0 +1,86 @@
/*
This file is a part of the SteamWar software.
Copyright (C) 2020 SteamWar.de-Serverteam
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package de.steamwar.bungeecore.listeners.mods;
import net.md_5.bungee.api.ServerPing;
import java.util.*;
public class FMLPing extends ServerPing {
private final ForgeData forgeData;
public FMLPing(ServerPing existing, int version) {
super(existing.getVersion(), existing.getPlayers(), existing.getDescriptionComponent(), existing.getFaviconObject());
forgeData = new ForgeData(version);
}
private static class ForgeData {
private final List<ForgeChannel> channels = new ArrayList<>();
private final List<ForgeMod> mods = new ArrayList<>();
private final int fmlNetworkVersion = 2;
public ForgeData(int versionNumber) {
channels.add(new ForgeChannel("minecraft:unregister"));
channels.add(new ForgeChannel("minecraft:register"));
channels.add(new ForgeChannel("fml:handshake"));
mods.add(new ForgeMod("minecraft", ProtocolVersion.getVersion(versionNumber)));
mods.add(new ForgeMod("forge", "ANY"));
}
public final static class ProtocolVersion {
private static final HashMap<Integer, String> versions;
static {
versions = new HashMap();
versions.put(757, "1.18");
versions.put(756, "1.17.1");
versions.put(754, "1.16.5");
versions.put(578, "1.15.2");
versions.put(498, "1.14.1");
versions.put(393, "1.13");
}
public static String getVersion(int version) {
return versions.get(version);
}
}
private static class ForgeChannel {
private final String res;
private final String version = "FML2";
private final boolean required = true;
private ForgeChannel(String res) {
this.res = res;
}
}
private static class ForgeMod {
private final String modId;
private final String modmarker;
private ForgeMod(String modId, String modmarker) {
this.modId = modId;
this.modmarker = modmarker;
}
}
}
}

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@ -22,102 +22,112 @@ package de.steamwar.bungeecore.listeners.mods;
import de.steamwar.bungeecore.BungeeCore;
import de.steamwar.bungeecore.listeners.BasicListener;
import de.steamwar.bungeecore.sql.Mod;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.UnpooledByteBufAllocator;
import net.md_5.bungee.api.ProxyServer;
import net.md_5.bungee.api.connection.Connection;
import net.md_5.bungee.api.connection.ProxiedPlayer;
import net.md_5.bungee.api.event.PluginMessageEvent;
import net.md_5.bungee.api.event.PostLoginEvent;
import net.md_5.bungee.api.connection.PendingConnection;
import net.md_5.bungee.api.event.LoginEvent;
import net.md_5.bungee.api.event.ProxyPingEvent;
import net.md_5.bungee.connection.InitialHandler;
import net.md_5.bungee.event.EventHandler;
import net.md_5.bungee.netty.ChannelWrapper;
import net.md_5.bungee.netty.HandlerBoss;
import net.md_5.bungee.netty.PacketHandler;
import net.md_5.bungee.protocol.packet.LoginPayloadRequest;
import net.md_5.bungee.protocol.packet.LoginPayloadResponse;
import java.nio.charset.StandardCharsets;
import java.util.*;
import java.util.concurrent.TimeUnit;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.logging.Level;
public class Forge extends BasicListener {
private static final String FMLHS = "FML|HS";
private static final String FMLHS13 = "fml:handshake";
private static final byte[] REGISTER;
private static final byte[] REGISTER13;
private static final byte[] HELLO = new byte[]{0, 2, 0, 0, 0, 0};
private static final Set<UUID> unlocked = new HashSet<>();
private static final String WRAPPER = "fml:loginwrapper";
private static final Field initialHandlerCh;
static{
ByteBuf buf = UnpooledByteBufAllocator.DEFAULT.directBuffer(7);
buf.writeByte(6);
buf.writeCharSequence(FMLHS, StandardCharsets.UTF_8);
REGISTER = new byte[buf.readableBytes()];
buf.readBytes(REGISTER);
buf.clear();
buf.writeByte(13);
buf.writeCharSequence(FMLHS13, StandardCharsets.UTF_8);
REGISTER13 = new byte[buf.readableBytes()];
buf.readBytes(REGISTER13);
try {
initialHandlerCh = InitialHandler.class.getDeclaredField("ch");
} catch (NoSuchFieldException e) {
throw new SecurityException("Could not initialize Reflection", e);
}
initialHandlerCh.setAccessible(true);
}
@EventHandler
public void onPostLogin(PostLoginEvent event) {
ProxiedPlayer player = event.getPlayer();
public void onServerPing(ProxyPingEvent event) {
event.setResponse(new FMLPing(event.getResponse(), event.getConnection().getVersion()));
}
synchronized (unlocked) {
if(unlocked.contains(player.getUniqueId())){
unlocked.remove(player.getUniqueId());
@EventHandler
public void onServerConnected(LoginEvent event){
if(event.getConnection().getVersion() < 340) return; //1.13+
//fml:handshake without mods, channels and registries
//for more information see https://wiki.vg/Minecraft_Forge_Handshake#FML2_protocol_.281.13_-_Current.29
event.getConnection().unsafe().sendPacket(new LoginPayloadRequest(1, WRAPPER, new byte[]{13,102,109,108,58,104,97,110,100,115,104,97,107,101,4,1,0,0,0}));
InitialHandler handler = (InitialHandler) event.getConnection();
ChannelWrapper wrapper;
try{
wrapper = (ChannelWrapper) initialHandlerCh.get(handler);
} catch (IllegalAccessException e) {
BungeeCore.get().getLogger().log(Level.SEVERE, "Could not get Channel", e);
return;
}
event.registerIntent(BungeeCore.get());
wrapper.getHandle().pipeline().get(HandlerBoss.class).setHandler(new CustomPacketHandler(event));
}
private static class CustomPacketHandler extends PacketHandler {
private final LoginEvent event;
public CustomPacketHandler(LoginEvent event) {
this.event = event;
}
@Override
public String toString() {
return "SteamWar Forge Handler";
}
@Override
public void handle(LoginPayloadResponse response){
byte[] data = response.getData();
if(data == null) {
event.completeIntent(BungeeCore.get());
return;
}
}
if(player.getPendingConnection().getVersion() > 340) {
player.sendData("minecraft:register", REGISTER13); //1.13+
player.sendData(FMLHS13, Forge.HELLO);
}else{
player.sendData("REGISTER", REGISTER); //1.12-
player.sendData(FMLHS, Forge.HELLO);
}
}
//for more information see https://wiki.vg/Minecraft_Forge_Handshake#FML2_protocol_.281.13_-_Current.29
Utils.VarInt channelLength = Utils.readVarInt(data, 0);
int pos = channelLength.length;
assert new String(data, pos, channelLength.value).equals("fml:handshake");
@EventHandler
public void onPluginMessageEvent(PluginMessageEvent e){
if(!e.getTag().equals(FMLHS) && !e.getTag().equals(FMLHS13))
return;
Utils.VarInt length = Utils.readVarInt(data, pos);
pos += length.length;
assert channelLength.length + channelLength.value + length.length + length.value == data.length;
e.setCancelled(true);
byte[] data = e.getData();
Utils.VarInt packetId = Utils.readVarInt(data, pos);
pos += packetId.length;
assert packetId.value == 2;
Connection sender = e.getSender();
if(!(sender instanceof ProxiedPlayer))
return;
ProxiedPlayer p = (ProxiedPlayer) sender;
Utils.VarInt modCount = Utils.readVarInt(data, pos);
pos += modCount.length;
if (data[0] == 2) {
Utils.VarInt numMods = Utils.readVarInt(data, 1);
List<Mod> mods = new LinkedList<>();
List<Mod> mods = new ArrayList<>();
for(int i = 0; i < modCount.value; i++) {
Utils.VarInt nameLength = Utils.readVarInt(data, pos);
pos += nameLength.length;
int bytePos = 1 + numMods.length;
for (int i = 0; i < numMods.value; i++) {
byte[] name = Arrays.copyOfRange(data, bytePos + 1, bytePos + data[bytePos] + 1);
bytePos += 1 + data[bytePos];
//Version information is unused
bytePos += 1 + data[bytePos];
mods.add(Mod.get(new String(name), Mod.Platform.FORGE));
mods.add(Mod.get(new String(data, pos, nameLength.value), Mod.Platform.FORGE));
pos += nameLength.value;
}
if (Utils.handleMods(p, mods)) {
synchronized (unlocked) {
unlocked.add(p.getUniqueId());
}
ProxyServer.getInstance().getScheduler().schedule(BungeeCore.get(),
() -> p.disconnect(BungeeCore.stringToText("§7Deine installierten Mods wurden überprüft\n§aDu kannst nun §eSteam§8War §abetreten")),
2, TimeUnit.SECONDS);
ProxyServer.getInstance().getScheduler().schedule(BungeeCore.get(), () -> {
synchronized (unlocked) {
unlocked.remove(p.getUniqueId());
}
}, 30, TimeUnit.SECONDS);
}
PendingConnection connection = event.getConnection();
if(Utils.handleMods(connection.getUniqueId(), Locale.getDefault(), connection::disconnect, mods))
event.completeIntent(BungeeCore.get());
}
}
}

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@ -0,0 +1,113 @@
/*
This file is a part of the SteamWar software.
Copyright (C) 2022 SteamWar.de-Serverteam
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package de.steamwar.bungeecore.listeners.mods;
import de.steamwar.bungeecore.BungeeCore;
import de.steamwar.bungeecore.listeners.BasicListener;
import de.steamwar.bungeecore.sql.Mod;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.UnpooledByteBufAllocator;
import net.md_5.bungee.api.ProxyServer;
import net.md_5.bungee.api.connection.Connection;
import net.md_5.bungee.api.connection.ProxiedPlayer;
import net.md_5.bungee.api.event.PluginMessageEvent;
import net.md_5.bungee.api.event.PostLoginEvent;
import net.md_5.bungee.event.EventHandler;
import java.nio.charset.StandardCharsets;
import java.util.*;
import java.util.concurrent.TimeUnit;
public class Forge12 extends BasicListener {
private static final String FMLHS = "FML|HS";
private static final byte[] REGISTER;
private static final byte[] HELLO = new byte[]{0, 2, 0, 0, 0, 0};
private static final Set<UUID> unlocked = new HashSet<>();
static {
ByteBuf buf = UnpooledByteBufAllocator.DEFAULT.directBuffer(7);
buf.writeByte(6);
buf.writeCharSequence(FMLHS, StandardCharsets.UTF_8);
REGISTER = new byte[buf.readableBytes()];
buf.readBytes(REGISTER);
}
@EventHandler
public void onPostLogin(PostLoginEvent event) {
ProxiedPlayer player = event.getPlayer();
synchronized (unlocked) {
if(unlocked.contains(player.getUniqueId())){
unlocked.remove(player.getUniqueId());
return;
}
}
if(player.getPendingConnection().getVersion() <= 340) {
player.sendData("REGISTER", REGISTER); //1.12-
player.sendData(FMLHS, HELLO);
}
}
@EventHandler
public void onPluginMessageEvent(PluginMessageEvent e){
if(!e.getTag().equals(FMLHS))
return;
e.setCancelled(true);
byte[] data = e.getData();
Connection sender = e.getSender();
if(!(sender instanceof ProxiedPlayer))
return;
ProxiedPlayer p = (ProxiedPlayer) sender;
if (data[0] == 2) {
Utils.VarInt numMods = Utils.readVarInt(data, 1);
List<Mod> mods = new LinkedList<>();
int bytePos = 1 + numMods.length;
for (int i = 0; i < numMods.value; i++) {
byte[] name = Arrays.copyOfRange(data, bytePos + 1, bytePos + data[bytePos] + 1);
bytePos += 1 + data[bytePos];
//Version information is unused
bytePos += 1 + data[bytePos];
mods.add(Mod.get(new String(name), Mod.Platform.FORGE));
}
if (Utils.handleMods(p, mods)) {
synchronized (unlocked) {
unlocked.add(p.getUniqueId());
}
ProxyServer.getInstance().getScheduler().schedule(BungeeCore.get(),
() -> p.disconnect(BungeeCore.stringToText("§7Deine installierten Mods wurden überprüft\n§aDu kannst nun §eSteam§8War §abetreten")),
2, TimeUnit.SECONDS);
ProxyServer.getInstance().getScheduler().schedule(BungeeCore.get(), () -> {
synchronized (unlocked) {
unlocked.remove(p.getUniqueId());
}
}, 30, TimeUnit.SECONDS);
}
}
}
}

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@ -56,26 +56,6 @@ public class ModLoaderBlocker extends BasicListener {
}
}
@EventHandler
public void onPluginMessage(PluginMessageEvent e){
if(!e.getTag().equals("minecraft:register"))
return;
Connection sender = e.getSender();
if(!(sender instanceof ProxiedPlayer))
return;
ProxiedPlayer p = (ProxiedPlayer) sender;
if(p.getPendingConnection().getVersion() <= 340)
return;
String registered = new String(e.getData(), StandardCharsets.UTF_8);
if(registered.contains("fml:loginwrapper") || registered.contains("fml:handshake") || registered.contains("fml:play")){
Storage.fabricPlayers.add(p);
Message.send("MODLOADER_INSTALLED", p, "Forge");
}
}
@EventHandler
public void onDisconnect(PlayerDisconnectEvent e){
Storage.fabricPlayers.remove(e.getPlayer());

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@ -25,6 +25,8 @@ import de.steamwar.bungeecore.sql.Mod;
import de.steamwar.bungeecore.sql.Mod.ModType;
import de.steamwar.bungeecore.sql.Punishment;
import de.steamwar.bungeecore.sql.SteamwarUser;
import net.md_5.bungee.api.chat.BaseComponent;
import net.md_5.bungee.api.chat.TextComponent;
import net.md_5.bungee.api.connection.ProxiedPlayer;
import java.sql.Timestamp;
@ -32,6 +34,9 @@ import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.UUID;
import java.util.function.Consumer;
import java.util.logging.Level;
class Utils {
@ -55,9 +60,13 @@ class Utils {
return new VarInt(numRead, result);
}
static boolean handleMods(ProxiedPlayer player, List<Mod> mods){
SteamwarUser user = SteamwarUser.get(player.getUniqueId());
boolean privileged = player.hasPermission("bungeecore.youtubermods");
static boolean handleMods(ProxiedPlayer player, List<Mod> mods) {
return handleMods(player.getUniqueId(), player.getLocale(), player::disconnect, mods);
}
static boolean handleMods(UUID uuid, Locale locale, Consumer<BaseComponent[]> disconnect, List<Mod> mods){
SteamwarUser user = SteamwarUser.get(uuid);
boolean privileged = user.getUserGroup().privilegedMods();
ModType max = ModType.YELLOW;
Iterator<Mod> it = mods.iterator();
@ -74,9 +83,9 @@ class Utils {
if(mods.size() == 1){
if(max == ModType.YELLOW)
player.disconnect(BungeeCore.stringToText(Message.parse("MOD_YELLOW_SING", player, mods.get(0).getModName())));
disconnect.accept(TextComponent.fromLegacyText(Message.parse("MOD_YELLOW_SING", locale, mods.get(0).getModName())));
else{
user.punish(Punishment.PunishmentType.Ban, Timestamp.from(Instant.now().plus(7, ChronoUnit.DAYS)), Message.parse("MOD_RED_SING", player, mods.get(0).getModName()), 0, false);
user.punish(Punishment.PunishmentType.Ban, Timestamp.from(Instant.now().plus(7, ChronoUnit.DAYS)), Message.parse("MOD_RED_SING", locale, mods.get(0).getModName()), 0, false);
BungeeCore.log(Level.SEVERE, user.getUserName() + " " + user.getId() + " wurde automatisch wegen des Mods " + mods.get(0).getModName() + " gebannt.");
}
}else{
@ -84,10 +93,10 @@ class Utils {
mods.forEach(mod -> sb.append(mod.getModName()).append('\n'));
if(max == ModType.YELLOW)
player.disconnect(BungeeCore.stringToText(Message.parse("MOD_YELLOW_PLUR", player, sb.toString())));
disconnect.accept(TextComponent.fromLegacyText(Message.parse("MOD_YELLOW_PLUR", locale, sb.toString())));
else{
user.punish(Punishment.PunishmentType.Ban, Timestamp.from(Instant.now().plus(7, ChronoUnit.DAYS)), Message.parse("MOD_RED_PLUR", player, sb.toString()), 0, false);
BungeeCore.log(Level.SEVERE, user.getUserName() + " " + user.getId() + " wurde automatisch wegen der Mods " + sb.toString() + " gebannt.");
user.punish(Punishment.PunishmentType.Ban, Timestamp.from(Instant.now().plus(7, ChronoUnit.DAYS)), Message.parse("MOD_RED_PLUR", locale, sb.toString()), 0, false);
BungeeCore.log(Level.SEVERE, user.getUserName() + " " + user.getId() + " wurde automatisch wegen der Mods " + sb + " gebannt.");
}
}

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@ -24,26 +24,28 @@ import java.util.stream.Collectors;
public enum UserGroup {
Admin("§4", "§e", true, true, true),
Developer("§3", "§f", true, true, true),
Moderator("§c", "§f", true, true, true),
Supporter("§9", "§f", false, true, true),
Builder("§2", "§f", false, true, false),
YouTuber("§5", "§f", false, false, false),
Member("§7", "§7", false, false, false);
Admin("§4", "§e", true, true, true, true),
Developer("§3", "§f", true, true, true, true),
Moderator("§c", "§f", true, true, true, true),
Supporter("§9", "§f", false, true, true, true),
Builder("§2", "§f", false, true, false, true),
YouTuber("§5", "§f", false, false, false, true),
Member("§7", "§7", false, false, false, false);
private final String colorCode;
private final String chatColorCode;
private final boolean adminGroup;
private final boolean teamGroup;
private final boolean checkSchematics;
private final boolean privilegedMods;
UserGroup(String colorCode, String chatColorCode, boolean adminGroup, boolean teamGroup, boolean checkSchematics) {
UserGroup(String colorCode, String chatColorCode, boolean adminGroup, boolean teamGroup, boolean checkSchematics, boolean privilegedMods) {
this.colorCode = colorCode;
this.chatColorCode = chatColorCode;
this.adminGroup = adminGroup;
this.teamGroup = teamGroup;
this.checkSchematics = checkSchematics;
this.privilegedMods = privilegedMods;
}
public String getColorCode() {
@ -62,6 +64,10 @@ public enum UserGroup {
return checkSchematics;
}
public boolean privilegedMods() {
return privilegedMods;
}
public String getChatColorCode() {
return chatColorCode;
}