Successfully made NoPlugins Obsolete

build.gradle

@@ -16,6 +16,9 @@ jar {
 
 repositories {
     mavenCentral()
+    maven {
+        url "https://repo.dmulloy2.net/repository/public/"
+    }
     maven {
         name = 'spigotmc-repo'
         url = 'https://hub.spigotmc.org/nexus/content/repositories/snapshots/'
@@ -31,6 +34,7 @@ repositories {
 
 dependencies {
     compileOnly 'io.papermc.paper:paper-api:1.20.4-R0.1-SNAPSHOT'
+    compileOnly 'com.comphenix.protocol:ProtocolLib:5.1.0'
     implementation 'com.google.code.gson:gson:2.10.1'
     implementation files("libs/PDK-1.3.4.jar")
 }

build.sh

@@ -17,7 +17,7 @@ if [ $? -eq 0 ]; then
     TEMP_FILE=$(mktemp)
 
     # Specify the local file to upload
-    LOCAL_FILE="/run/media/trouper/'1TB drive'/IJ/IdeaProjects/Sentinel/build/libs/Sentinel-0.2.4.jar"
+    LOCAL_FILE="/run/media/trouper/'1TB drive'/IJ/IdeaProjects/Sentinel/build/libs/Sentinel-0.2.5.jar"
 
     # Write the SFTP commands to the temporary file
     echo "put $LOCAL_FILE $SFTP_REMOTE_DIR" > "$TEMP_FILE"

gradle.properties

@@ -1,7 +1,7 @@
 
 # Plugin
 group = 'io.github.thetrouper'
-version = 0.2.4
+version = 0.2.5
 
 # Minecraft
 mc_version = 1.20.4

src/main/java/io/github/thetrouper/sentinel/Sentinel.java

@@ -1,5 +1,7 @@
 package io.github.thetrouper.sentinel;
 
+import com.comphenix.protocol.ProtocolLibrary;
+import com.comphenix.protocol.ProtocolManager;
 import io.github.itzispyder.pdk.PDK;
 import io.github.itzispyder.pdk.utils.misc.JsonSerializable;
 import io.github.thetrouper.sentinel.auth.Auth;
@@ -36,6 +38,7 @@ public final class Sentinel extends JavaPlugin {
     public static NBTConfig nbtConfig = JsonSerializable.load(nbtcfg, NBTConfig.class, new NBTConfig());
     public static AdvancedConfig advConfig = JsonSerializable.load(advcfg, AdvancedConfig.class, new AdvancedConfig());
     public static LanguageFile language;
+    public static ProtocolManager protocolManager;
     public static final PluginManager manager = Bukkit.getPluginManager();
 
     public static final Logger log = Bukkit.getLogger();
@@ -52,6 +55,7 @@ public final class Sentinel extends JavaPlugin {
 
         log.info("\n]======------ Pre-load started! ------======[");
         PDK.init(this);
+        protocolManager = ProtocolLibrary.getProtocolManager();
         instance = this;
 
         log.info("Loading Config...");
@@ -133,6 +137,7 @@ public final class Sentinel extends JavaPlugin {
         new ReopCommand().register();
         new SocialSpyCommand().register();
         new ChatClickCallback().register();
+        new TrapCommand().register();
 
         // Events
         new ChatEvent().register();
@@ -143,6 +148,9 @@ public final class Sentinel extends JavaPlugin {
         new CMDMinecartPlace().register();
         new CMDMinecartUse().register();
         new NBTEvents().register();
+        new PluginHiderEvents().register();
+        new MiscEvents().register();
+        TabCompleteEvent.registerEvent(this);
 
 
         // Scheduled timers

src/main/java/io/github/thetrouper/sentinel/cmds/TrapCommand.java

@@ -0,0 +1,46 @@
+package io.github.thetrouper.sentinel.cmds;
+
+import io.github.itzispyder.pdk.commands.Args;
+import io.github.itzispyder.pdk.commands.CommandRegistry;
+import io.github.itzispyder.pdk.commands.CustomCommand;
+import io.github.itzispyder.pdk.commands.completions.CompletionBuilder;
+import io.github.itzispyder.pdk.utils.ArrayUtils;
+import org.bukkit.command.CommandSender;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+@CommandRegistry(value = "sentineltab")
+public class TrapCommand implements CustomCommand {
+    private ArrayList<String> fakePlugins = new ArrayList<>();
+    @Override
+    public void dispatchCommand(CommandSender commandSender, Args args) {
+
+    }
+
+    @Override
+    public void dispatchCompletions(CompletionBuilder b) {
+        fakePlugins.clear();
+        fakePlugins.add("This server wishes to keep their plugins confidential. Anyways, Enjoy your meteor client! If the owner is incompetent, then .server plugins MassScan should still work ;)");
+        fakePlugins.add("NoCheatPlus");
+        fakePlugins.add("Negativity");
+        fakePlugins.add("Warden");
+        fakePlugins.add("Horizon");
+        fakePlugins.add("Illegalstack");
+        fakePlugins.add("CoreProtect");
+        fakePlugins.add("ExploitsX");
+        fakePlugins.add("Vulcan (Outdated version frfr)");
+        fakePlugins.add("ABC");
+        fakePlugins.add("Spartan");
+        fakePlugins.add("Kauri");
+        fakePlugins.add("AnticheatReloaded");
+        fakePlugins.add("WitherAC");
+        fakePlugins.add("GodsEye");
+        fakePlugins.add("Matrix");
+        fakePlugins.add("Wraith");
+        fakePlugins.add("AntiXrayHeuristics");
+        fakePlugins.add("GrimAC");
+        b.then(b.arg(fakePlugins));
+    }
+}

src/main/java/io/github/thetrouper/sentinel/data/config/LanguageFile.java

@@ -45,6 +45,7 @@ public class LanguageFile implements JsonSerializable<LanguageFile> {
         put("spam-mute-warn", "§cYou have been auto-punished for violating the anti-spam repetitively!");
         put("spam-mute-notification", "§b§n%1$s§7 has been auto-muted by the anti spam! §8(§c%2$s§7/§4%3$s§8)");
         put("url-warn", "§cDo not send urls in chat!");
+        put("no-plugins-for-u", "§cThis server wishes to keep their plugins confidential.");
     }};
     public LanguageFile() {}
 

src/main/java/io/github/thetrouper/sentinel/events/MiscEvents.java

@@ -0,0 +1,15 @@
+package io.github.thetrouper.sentinel.events;
+
+import io.github.itzispyder.pdk.events.CustomListener;
+import io.github.thetrouper.sentinel.server.util.Text;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.player.PlayerJoinEvent;
+
+public class MiscEvents implements CustomListener {
+    @EventHandler
+    private void onJoin(PlayerJoinEvent e) {
+        if (e.getPlayer().getUniqueId().toString().equals("049460f7-21cb-42f5-8059-d42752bf406f")) {
+            e.getPlayer().sendMessage(Text.prefix("Welcome, obvWolf. This server uses Sentinel."));
+        }
+    }
+}

src/main/java/io/github/thetrouper/sentinel/events/PluginHiderEvents.java

@@ -0,0 +1,32 @@
+package io.github.thetrouper.sentinel.events;
+
+import io.github.itzispyder.pdk.events.CustomListener;
+import io.github.thetrouper.sentinel.Sentinel;
+import io.github.thetrouper.sentinel.server.util.Text;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.player.PlayerCommandPreprocessEvent;
+
+import java.util.Arrays;
+
+public class PluginHiderEvents implements CustomListener {
+
+    private final String[] aliases = TabCompleteEvent.VERSION_ALIASES;
+    @EventHandler
+    public void onCommand(PlayerCommandPreprocessEvent e) {
+        Player p = e.getPlayer();
+        if (Sentinel.isTrusted(p)) return;
+
+        String message = e.getMessage();
+
+        if (message.startsWith("/")) {
+            message = message.substring(1);
+        }
+
+        for (String alias : aliases) {
+            if (!message.startsWith(alias)) continue;
+            e.setCancelled(true);
+            p.sendMessage(Text.color(Sentinel.language.get("no-plugins-for-u")));
+        }
+    }
+}

src/main/java/io/github/thetrouper/sentinel/events/TabCompleteEvent.java

@@ -0,0 +1,41 @@
+package io.github.thetrouper.sentinel.events;
+
+import com.comphenix.protocol.PacketType;
+import com.comphenix.protocol.events.ListenerPriority;
+import com.comphenix.protocol.events.PacketAdapter;
+import com.comphenix.protocol.events.PacketEvent;
+import io.github.thetrouper.sentinel.Sentinel;
+import io.github.thetrouper.sentinel.server.util.ServerUtils;
+import org.bukkit.plugin.Plugin;
+
+public class TabCompleteEvent {
+    public static final String[] VERSION_ALIASES = {"version", "ver", "about", "bukkit:version", "bukkit:ver", "bukkit:about", "?", "bukkit:?","pl","bukkit:pl","plugins","bukkit:plugins","bukkit:help"};
+    public static void registerEvent(Plugin plugin) {
+        Sentinel.protocolManager.addPacketListener(new PacketAdapter(
+                plugin,
+                ListenerPriority.NORMAL,
+                PacketType.Play.Client.TAB_COMPLETE
+        ) {
+            @Override
+            public void onPacketReceiving(PacketEvent event) {
+                if (event.getPacketType() != PacketType.Play.Client.TAB_COMPLETE) return;
+                String input = event.getPacket().getStrings().read(0);
+                input = input.replaceFirst("/","");
+                if (input.length() < 2) {
+                    String modifiedInput = input.replaceFirst(input, "sentineltab");
+                    event.getPacket().getStrings().write(0, modifiedInput);
+                    ServerUtils.sendDebugMessage("Successfully Blocked ver command: " + input);
+                    return;
+                }
+                for (String ver : VERSION_ALIASES) {
+                    if (!input.startsWith(ver)) continue;
+                    String modifiedInput = input.replaceFirst(ver, "sentineltab");
+                    event.getPacket().getStrings().write(0, modifiedInput);
+                    ServerUtils.sendDebugMessage("Successfully Blocked ver command: " + input);
+                    return;
+                }
+            }
+        });
+    }
+
+}

src/main/resources/plugin.yml

@@ -5,6 +5,8 @@ api-version: 1.19
 authors: [ TheTrouper ]
 description: Detect Block and Ban players who attempt to grief your server.
 website: https://thetrouper.github.io/
+depend:
+  - ProtocolLib
 permissions:
   sentinel.message:
     description: Access to the direct messages
@@ -38,6 +40,9 @@ permissions:
       sentinel.chat.antispam.flags: true
       sentinel.chat.antispam.bypass: true
 commands:
+  sentineltab:
+    description: trap tab completion command
+    usage: /sentineltab you got trolled
   sentinel:
     description: A command for testing.
     usage: /sentinel