initial commit

pluginhider v1

.gitignore

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+# User-specific stuff
+.idea/
+
+*.iml
+*.ipr
+*.iws
+
+# IntelliJ
+out/
+
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+target/
+
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+.mvn/wrapper/maven-wrapper.jar
+.flattened-pom.xml
+
+# Common working directory
+run/

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.plughide</groupId>
+    <artifactId>plughide</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <name>plughide</name>
+
+    <properties>
+        <java.version>21</java.version>
+        <kotlin.version>2.2.0-Beta1</kotlin.version>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <build>
+        <defaultGoal>clean package</defaultGoal>
+        <sourceDirectory>${project.basedir}/src/main/kotlin</sourceDirectory>
+        <plugins>
+            <plugin>
+                <groupId>org.jetbrains.kotlin</groupId>
+                <artifactId>kotlin-maven-plugin</artifactId>
+                <version>${kotlin.version}</version>
+                <executions>
+                    <execution>
+                        <id>compile</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <jvmTarget>${java.version}</jvmTarget>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.5.3</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>papermc-repo</id>
+            <url>https://repo.papermc.io/repository/maven-public/</url>
+        </repository>
+        <repository>
+            <id>sonatype</id>
+            <url>https://oss.sonatype.org/content/groups/public/</url>
+        </repository>
+    </repositories>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.papermc.paper</groupId>
+            <artifactId>paper-api</artifactId>
+            <version>1.21.5-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib-jdk8</artifactId>
+            <version>${kotlin.version}</version>
+        </dependency>
+    </dependencies>
+</project>

src/main/kotlin/org/plughide/plughide/Plughide.kt

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+package org.plughide.plughide
+
+import org.bukkit.Bukkit
+import org.bukkit.event.EventHandler
+import org.bukkit.event.EventPriority
+import org.bukkit.event.Listener
+import org.bukkit.event.player.PlayerCommandPreprocessEvent
+import org.bukkit.event.server.TabCompleteEvent
+import org.bukkit.plugin.java.JavaPlugin
+
+class PlugHide : JavaPlugin(), Listener {
+
+    private val blockedCommands = listOf(
+        "/pl", "/plugins", "/plugin", "/bukkit:pl", "/bukkit:plugins", "/bukkit:plugin",
+        "/minecraft:pl", "/minecraft:plugins", "/minecraft:plugin",
+        "/ver", "/version", "/bukkit:ver", "/bukkit:version",
+        "/minecraft:ver", "/minecraft:version",
+        "/about", "/bukkit:about", "/minecraft:about",
+        "/help", "/bukkit:help", "/minecraft:help",
+        "/?", "/bukkit:?", "/minecraft:?"
+    )
+
+    override fun onEnable() {
+        logger.info("PlugHide has been enabled!")
+        server.pluginManager.registerEvents(this, this)
+    }
+
+    override fun onDisable() {
+        logger.info("PlugHide has been disabled!")
+    }
+
+    @EventHandler(priority = EventPriority.HIGHEST)
+    fun onPlayerCommand(event: PlayerCommandPreprocessEvent) {
+        val player = event.player
+        val command = event.message.split(" ")[0].lowercase()
+
+        // Allow OPs to use any command
+        if (player.isOp) return
+
+        // Block restricted commands for non-OPs
+        if (blockedCommands.contains(command)) {
+            event.isCancelled = true
+            player.sendMessage("§cUnknown command. Type \"/help\" for help.")
+            logger.info("Player ${player.name} attempted to use blocked command: $command")
+        }
+    }
+
+    @EventHandler(priority = EventPriority.HIGHEST)
+    fun onTabComplete(event: TabCompleteEvent) {
+        val sender = event.sender
+        val buffer = event.buffer.lowercase()
+
+        // Don't filter tab completion for OPs
+        if (sender.isOp) return
+
+        // Block tab completion for sensitive commands
+        if (blockedCommands.any { buffer.startsWith(it) } ||
+            buffer == "/" ||
+            buffer.startsWith("/bukkit:") ||
+            buffer.startsWith("/minecraft:")) {
+
+            // Filter out any plugin-related suggestions
+            val filtered = event.completions.filter { completion ->
+                val completionLower = completion.lowercase()
+                !completionLower.contains("plugin") &&
+                !completionLower.contains("version") &&
+                !completionLower.contains("about") &&
+                !completionLower.contains("bukkit") &&
+                !completionLower.contains("spigot") &&
+                !completionLower.contains("paper")
+            }
+
+            event.completions = filtered
+        }
+    }
+}

src/main/resources/plugin.yml

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+name: PlugHide
+version: 1.0-SNAPSHOT
+main: org.plughide.plughide.PlugHide
+api-version: 1.21
+description: Hides plugin information and commands from non-OP players
+author: suckmyballs (rattatwinko)