bump version

Update minimessage format docs link

.github/FUNDING.yml

@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: YouHaveTrouble
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,28 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: YouHaveTrouble
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: enhancement
+assignees: YouHaveTrouble
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/other-issue.md

@@ -0,0 +1,10 @@
+---
+name: Other issue
+about: For other issues
+title: ''
+labels: ''
+assignees: YouHaveTrouble
+
+---
+
+

CommandWhitelistBukkit/.gitignore

@@ -0,0 +1,113 @@
+# 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/

CommandWhitelistBukkit/pom.xml

@@ -0,0 +1,129 @@
+<?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>
+    <parent>
+        <groupId>eu.endermite.commandwhitelist</groupId>
+        <artifactId>CommandWhitelist</artifactId>
+        <version>2.4.0</version>
+    </parent>
+
+    <artifactId>Bukkit</artifactId>
+    <packaging>jar</packaging>
+    <name>CommandWhitelist-Bukkit</name>
+
+    <description>You decide what commands players can use or tab complete on your server!</description>
+    <properties>
+        <java.version>1.8</java.version>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+    <url>youhavetrouble.me</url>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.1</version>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.2.4</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <finalName>${project.name}-${project.parent.version}</finalName>
+                            <createDependencyReducedPom>false</createDependencyReducedPom>
+                            <relocations>
+                                <relocation>
+                                    <pattern>org.bstats</pattern>
+                                    <shadedPattern>eu.endermite.bstats</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>net.kyori</pattern>
+                                    <shadedPattern>eu.endermite</shadedPattern>
+                                </relocation>
+                            </relocations>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>sonatype</id>
+            <url>https://oss.sonatype.org/content/groups/public/</url>
+        </repository>
+        <repository>
+            <id>dmulloy2-repo</id>
+            <url>https://repo.dmulloy2.net/nexus/repository/public/</url>
+        </repository>
+        <repository>
+            <id>papermc</id>
+            <url>https://papermc.io/repo/repository/maven-public/</url>
+        </repository>
+    </repositories>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.papermc.paper</groupId>
+            <artifactId>paper-api</artifactId>
+            <version>1.17.1-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>net.kyori</groupId>
+            <artifactId>adventure-platform-bukkit</artifactId>
+            <version>4.1.0</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>net.kyori</groupId>
+            <artifactId>adventure-text-minimessage</artifactId>
+            <version>4.10.1</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>eu.endermite.commandwhitelist</groupId>
+            <artifactId>Common</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.comphenix.protocol</groupId>
+            <artifactId>ProtocolLib</artifactId>
+            <version>4.6.0</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.bstats</groupId>
+            <artifactId>bstats-bukkit</artifactId>
+            <version>3.0.0</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.mojang</groupId>
+            <artifactId>brigadier</artifactId>
+            <version>1.0.17</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+</project>

CommandWhitelistBukkit/src/main/java/eu/endermite/commandwhitelist/bukkit/CommandWhitelistBukkit.java

@@ -0,0 +1,167 @@
+package eu.endermite.commandwhitelist.bukkit;
+
+import eu.endermite.commandwhitelist.bukkit.command.BukkitCommandExecutor;
+import eu.endermite.commandwhitelist.bukkit.listeners.AsyncTabCompleteBlockerListener;
+import eu.endermite.commandwhitelist.bukkit.listeners.PlayerCommandPreProcessListener;
+import eu.endermite.commandwhitelist.bukkit.listeners.PlayerCommandSendListener;
+import eu.endermite.commandwhitelist.bukkit.listeners.TabCompleteBlockerListener;
+import eu.endermite.commandwhitelist.bukkit.listeners.protocollib.PacketCommandPreProcessListener;
+import eu.endermite.commandwhitelist.bukkit.listeners.protocollib.PacketCommandSendListener;
+import eu.endermite.commandwhitelist.common.CWGroup;
+import eu.endermite.commandwhitelist.common.ConfigCache;
+import eu.endermite.commandwhitelist.common.commands.CWCommand;
+import net.kyori.adventure.platform.bukkit.BukkitAudiences;
+import org.bstats.bukkit.Metrics;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.command.PluginCommand;
+import org.bukkit.entity.Player;
+import org.bukkit.help.HelpTopic;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.plugin.java.JavaPlugin;
+
+import java.io.File;
+import java.util.*;
+
+public class CommandWhitelistBukkit extends JavaPlugin {
+
+    private static CommandWhitelistBukkit commandWhitelist;
+    private static ConfigCache configCache;
+    private static BukkitAudiences audiences;
+
+    @Override
+    public void onEnable() {
+
+        commandWhitelist = this;
+        audiences = BukkitAudiences.create(this);
+
+        reloadPluginConfig();
+
+        Plugin protocollib = getServer().getPluginManager().getPlugin("ProtocolLib");
+
+        if (!getConfigCache().useProtocolLib || protocollib == null || !protocollib.isEnabled()) {
+            getServer().getPluginManager().registerEvents(new PlayerCommandPreProcessListener(), this);
+            getServer().getPluginManager().registerEvents(new PlayerCommandSendListener(), this);
+        } else {
+            PacketCommandPreProcessListener.protocol(this);
+            PacketCommandSendListener.protocol(this);
+            getLogger().info(ChatColor.AQUA + "Using ProtocolLib for command filter!");
+        }
+        try {
+            // Use paper's async tab completions if possible
+            Class.forName("com.destroystokyo.paper.event.server.AsyncTabCompleteEvent");
+            getServer().getPluginManager().registerEvents(new AsyncTabCompleteBlockerListener(), this);
+        } catch (ClassNotFoundException ignored) {
+        }
+        getServer().getPluginManager().registerEvents(new TabCompleteBlockerListener(), this);
+
+        PluginCommand command = getCommand("commandwhitelist");
+        if (command != null) {
+            BukkitCommandExecutor executor = new BukkitCommandExecutor();
+            command.setExecutor(executor);
+            command.setTabCompleter(executor);
+        }
+
+        new Metrics(this, 8705);
+    }
+
+    private void reloadPluginConfig() {
+        File configFile = new File("plugins/CommandWhitelist/config.yml");
+        if (configCache == null) {
+            try {
+                configCache = new ConfigCache(configFile, true, getSLF4JLogger());
+            } catch (NoSuchMethodError e) {
+                configCache = new ConfigCache(configFile, true, null);
+            }
+        }
+        else
+            configCache.reloadConfig();
+    }
+
+    public void reloadPluginConfig(CommandSender sender) {
+        getServer().getScheduler().runTaskAsynchronously(this, () -> {
+            reloadPluginConfig();
+            try {
+                for (Player p : Bukkit.getOnlinePlayers()) {
+                    p.updateCommands();
+                }
+            } catch (Exception ignored) {}
+            audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(configCache.prefix + configCache.config_reloaded));
+        });
+    }
+
+    public static CommandWhitelistBukkit getPlugin() {
+        return commandWhitelist;
+    }
+
+    public static ConfigCache getConfigCache() {
+        return configCache;
+    }
+
+    public static BukkitAudiences getAudiences() {
+        return audiences;
+    }
+
+    /**
+     * @param player Bukkit Player
+     * @return commands available to the player
+     */
+    public static HashSet<String> getCommands(org.bukkit.entity.Player player) {
+        HashSet<String> commandList = new HashSet<>();
+        HashMap<String, CWGroup> groups = configCache.getGroupList();
+        for (Map.Entry<String, CWGroup> s : groups.entrySet()) {
+            if (s.getKey().equalsIgnoreCase("default"))
+                commandList.addAll(s.getValue().getCommands());
+            else if (player.hasPermission(s.getValue().getPermission()))
+                commandList.addAll(s.getValue().getCommands());
+        }
+        return commandList;
+    }
+
+    /**
+     * @param player Bukkit Player
+     * @return subcommands unavailable for the player
+     */
+    public static HashSet<String> getSuggestions(org.bukkit.entity.Player player) {
+        HashSet<String> suggestionList = new HashSet<>();
+        HashMap<String, CWGroup> groups = configCache.getGroupList();
+        for (Map.Entry<String, CWGroup> s : groups.entrySet()) {
+            if (s.getKey().equalsIgnoreCase("default"))
+                suggestionList.addAll(s.getValue().getSubCommands());
+            if (player.hasPermission(s.getValue().getPermission())) continue;
+            suggestionList.addAll(s.getValue().getSubCommands());
+        }
+        return suggestionList;
+    }
+
+    /**
+     * @return Command denied message. Will use custom if command exists in any group.
+     */
+    public static String getCommandDeniedMessage(String command) {
+        String commandDeniedMessage = configCache.command_denied;
+        HashMap<String, CWGroup> groups = configCache.getGroupList();
+        for (CWGroup group : groups.values()) {
+            if (group.getCommands().contains(command)) {
+                if (group.getCommandDeniedMessage() == null || group.getCommandDeniedMessage().isEmpty()) continue;
+                commandDeniedMessage = group.getCommandDeniedMessage();
+                break; // get first message we find
+            }
+        }
+        return commandDeniedMessage;
+    }
+
+    public static ArrayList<String> getServerCommands() {
+        try {
+            return new ArrayList<>(Bukkit.getCommandMap().getKnownCommands().keySet());
+        } catch (NoSuchMethodError error) {
+            HashSet<String> commands = new HashSet<>();
+            for (HelpTopic topic : Bukkit.getHelpMap().getHelpTopics()) {
+                String cmd = topic.getName();
+                if (Character.isUpperCase(cmd.charAt(0))) continue;
+                commands.add(topic.getName());
+            }
+            return new ArrayList<>(commands);
+        }
+    }
+}

CommandWhitelistBukkit/src/main/java/eu/endermite/commandwhitelist/bukkit/command/BukkitCommandExecutor.java

@@ -0,0 +1,96 @@
+package eu.endermite.commandwhitelist.bukkit.command;
+
+import eu.endermite.commandwhitelist.bukkit.CommandWhitelistBukkit;
+import eu.endermite.commandwhitelist.common.CWPermission;
+import eu.endermite.commandwhitelist.common.CommandUtil;
+import eu.endermite.commandwhitelist.common.commands.CWCommand;
+import net.kyori.adventure.platform.bukkit.BukkitAudiences;
+import net.kyori.adventure.text.Component;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.command.TabExecutor;
+
+import java.io.File;
+import java.util.List;
+
+public class BukkitCommandExecutor implements TabExecutor {
+
+    @Override
+    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+
+        BukkitAudiences audiences = CommandWhitelistBukkit.getAudiences();
+
+        if (args.length == 0) {
+            audiences.sender(sender).sendMessage(CWCommand.helpComponent(label, sender.hasPermission(CWPermission.RELOAD.permission()), sender.hasPermission(CWPermission.ADMIN.permission())));
+            return true;
+        }
+        try {
+            CWCommand.CommandType commandType = CWCommand.CommandType.valueOf(args[0].toUpperCase());
+            switch (commandType) {
+                case RELOAD:
+                    if (!sender.hasPermission(CWPermission.RELOAD.permission())) {
+                        audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(CommandWhitelistBukkit.getConfigCache().prefix + CommandWhitelistBukkit.getConfigCache().no_permission));
+                        return true;
+                    }
+                    CommandWhitelistBukkit.getPlugin().reloadPluginConfig(sender);
+                    return true;
+                case ADD:
+                    if (!sender.hasPermission(CWPermission.ADMIN.permission())) {
+                        audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(CommandWhitelistBukkit.getConfigCache().prefix + CommandWhitelistBukkit.getConfigCache().no_permission));
+                        return true;
+                    }
+                    if (args.length == 3) {
+                        if (CWCommand.addToWhitelist(CommandWhitelistBukkit.getConfigCache(), args[2], args[1]))
+                            audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(String.format(CommandWhitelistBukkit.getConfigCache().prefix + CommandWhitelistBukkit.getConfigCache().added_to_whitelist, args[2], args[1])));
+                        else
+                            audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(String.format(CommandWhitelistBukkit.getConfigCache().prefix + CommandWhitelistBukkit.getConfigCache().group_doesnt_exist, args[1])));
+                    } else
+                        audiences.sender(sender).sendMessage(Component.text("/" + label + " add <group> <command>"));
+                    return true;
+                case REMOVE:
+                    if (!sender.hasPermission(CWPermission.ADMIN.permission())) {
+                        audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(CommandWhitelistBukkit.getConfigCache().prefix + CommandWhitelistBukkit.getConfigCache().no_permission));
+                        return true;
+                    }
+                    if (args.length == 3) {
+                        if (CWCommand.removeFromWhitelist(CommandWhitelistBukkit.getConfigCache(), args[2], args[1]))
+                            audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(String.format(CommandWhitelistBukkit.getConfigCache().prefix + CommandWhitelistBukkit.getConfigCache().removed_from_whitelist, args[2], args[1])));
+                        else
+                            audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(String.format(CommandWhitelistBukkit.getConfigCache().prefix + CommandWhitelistBukkit.getConfigCache().group_doesnt_exist, args[1])));
+                    } else
+                        audiences.sender(sender).sendMessage(Component.text("/" + label + " remove <group> <command>"));
+                    return true;
+                case DUMP:
+                    if (!sender.hasPermission(CWPermission.ADMIN.permission())) {
+                        audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(CommandWhitelistBukkit.getConfigCache().prefix + CommandWhitelistBukkit.getConfigCache().no_permission));
+                        return true;
+                    }
+                    audiences.sender(sender).sendMessage(Component.text("Dumping all available commands to a file..."));
+                    if (CommandUtil.dumpAllBukkitCommands(CommandWhitelistBukkit.getServerCommands(), new File("plugins/CommandWhitelist/config.yml"))) {
+                        audiences.sender(sender).sendMessage(Component.text("Commands dumped to command_dump.yml"));
+                    } else {
+                        audiences.sender(sender).sendMessage(Component.text("Failed to save the file."));
+                    }
+                    return true;
+                case HELP:
+                default:
+                    audiences.sender(sender).sendMessage(CWCommand.helpComponent(label, sender.hasPermission(CWPermission.RELOAD.permission()), sender.hasPermission(CWPermission.ADMIN.permission())));
+            }
+        } catch (IllegalArgumentException e) {
+            audiences.sender(sender).sendMessage(CWCommand.helpComponent(label, sender.hasPermission(CWPermission.RELOAD.permission()), sender.hasPermission(CWPermission.ADMIN.permission())));
+        }
+        return true;
+    }
+
+    @Override
+    public List<String> onTabComplete(CommandSender sender, Command command, String alias, String[] args) {
+        return CWCommand.commandSuggestions(
+                CommandWhitelistBukkit.getConfigCache(),
+                CommandWhitelistBukkit.getServerCommands(),
+                args,
+                sender.hasPermission(CWPermission.RELOAD.permission()),
+                sender.hasPermission(CWPermission.ADMIN.permission()),
+                CWCommand.ImplementationType.BUKKIT
+        );
+    }
+}

CommandWhitelistBukkit/src/main/java/eu/endermite/commandwhitelist/bukkit/listeners/AsyncTabCompleteBlockerListener.java

@@ -0,0 +1,26 @@
+package eu.endermite.commandwhitelist.bukkit.listeners;
+
+import com.destroystokyo.paper.event.server.AsyncTabCompleteEvent;
+import eu.endermite.commandwhitelist.bukkit.CommandWhitelistBukkit;
+import eu.endermite.commandwhitelist.common.CWPermission;
+import eu.endermite.commandwhitelist.common.CommandUtil;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+
+
+public class AsyncTabCompleteBlockerListener implements Listener {
+
+    @EventHandler(priority = EventPriority.HIGHEST)
+    public void onCommandTabComplete(AsyncTabCompleteEvent event) {
+        if (!(event.getSender() instanceof Player)) return;
+        Player player = (Player) event.getSender();
+        if (player.hasPermission(CWPermission.BYPASS.permission())) return;
+        String buffer = event.getBuffer();
+        if (!buffer.endsWith(" ") && buffer.split(" ").length == 1) event.setCancelled(true);
+        if (event.getCompletions().isEmpty()) return;
+        event.setCompletions(CommandUtil.filterSuggestions(buffer, event.getCompletions(), CommandWhitelistBukkit.getSuggestions(player)));
+    }
+
+}

CommandWhitelistBukkit/src/main/java/eu/endermite/commandwhitelist/bukkit/listeners/PlayerCommandPreProcessListener.java

@@ -0,0 +1,41 @@
+package eu.endermite.commandwhitelist.bukkit.listeners;
+
+import eu.endermite.commandwhitelist.bukkit.CommandWhitelistBukkit;
+import eu.endermite.commandwhitelist.common.CommandUtil;
+import eu.endermite.commandwhitelist.common.ConfigCache;
+import eu.endermite.commandwhitelist.common.commands.CWCommand;
+import net.kyori.adventure.platform.bukkit.BukkitAudiences;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+
+import java.util.HashSet;
+
+public class PlayerCommandPreProcessListener implements Listener {
+    @EventHandler(priority = EventPriority.HIGHEST)
+    public void PlayerCommandSendEvent(org.bukkit.event.player.PlayerCommandPreprocessEvent event) {
+        Player player = event.getPlayer();
+        if (player.hasPermission("commandwhitelist.bypass")) return;
+        String label = CommandUtil.getCommandLabel(event.getMessage().toLowerCase());
+        BukkitAudiences audiences = CommandWhitelistBukkit.getAudiences();
+        ConfigCache config = CommandWhitelistBukkit.getConfigCache();
+
+        HashSet<String> commands = CommandWhitelistBukkit.getCommands(player);
+        if (!commands.contains(label)) {
+            event.setCancelled(true);
+            audiences.player(player).sendMessage(CWCommand.miniMessage.deserialize(config.prefix + CommandWhitelistBukkit.getCommandDeniedMessage(label)));
+            return;
+        }
+
+        HashSet<String> bannedSubCommands = CommandWhitelistBukkit.getSuggestions(player);
+        for (String bannedSubCommand : bannedSubCommands) {
+            if (event.getMessage().toLowerCase().substring(1).startsWith(bannedSubCommand)) {
+                event.setCancelled(true);
+                audiences.player(player).sendMessage(CWCommand.miniMessage.deserialize(config.prefix + config.subcommand_denied));
+                return;
+            }
+        }
+
+    }
+}

CommandWhitelistBukkit/src/main/java/eu/endermite/commandwhitelist/bukkit/listeners/PlayerCommandSendListener.java

@@ -0,0 +1,20 @@
+package eu.endermite.commandwhitelist.bukkit.listeners;
+
+import eu.endermite.commandwhitelist.bukkit.CommandWhitelistBukkit;
+import eu.endermite.commandwhitelist.common.CWPermission;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+
+import java.util.HashSet;
+
+public class PlayerCommandSendListener implements Listener {
+    @EventHandler(priority = EventPriority.NORMAL)
+    public void PlayerCommandSendEvent(org.bukkit.event.player.PlayerCommandSendEvent event) {
+        Player player = event.getPlayer();
+        if (player.hasPermission(CWPermission.BYPASS.permission())) return;
+        HashSet<String> commandList = CommandWhitelistBukkit.getCommands(player);
+        event.getCommands().removeIf((cmd) -> !commandList.contains(cmd));
+    }
+}

CommandWhitelistBukkit/src/main/java/eu/endermite/commandwhitelist/bukkit/listeners/TabCompleteBlockerListener.java

@@ -0,0 +1,37 @@
+package eu.endermite.commandwhitelist.bukkit.listeners;
+
+import eu.endermite.commandwhitelist.bukkit.CommandWhitelistBukkit;
+import eu.endermite.commandwhitelist.common.CWPermission;
+import eu.endermite.commandwhitelist.common.CommandUtil;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.server.TabCompleteEvent;
+
+public class TabCompleteBlockerListener implements Listener {
+
+    @EventHandler(priority = EventPriority.NORMAL)
+    public void onCommandTabComplete(TabCompleteEvent event) {
+        if (!(event.getSender() instanceof Player)) return;
+        Player player = (Player) event.getSender();
+        if (player.hasPermission(CWPermission.BYPASS.permission())) return;
+        String buffer = event.getBuffer();
+        if (!buffer.endsWith(" ") && buffer.split(" ").length == 1) {
+            CommandWhitelistBukkit.getConfigCache().debug("Actively prevented "+event.getSender().getName()+"'s tab completion (/[tab] packet)");
+            event.setCancelled(true);
+            return;
+        }
+        if (event.getCompletions().isEmpty()) {
+            CommandWhitelistBukkit.getConfigCache().debug("Tab completion not provided");
+            return;
+        }
+        event.setCompletions(
+                CommandUtil.filterSuggestions(
+                        buffer,
+                        event.getCompletions(),
+                        CommandWhitelistBukkit.getSuggestions(player)
+                )
+        );
+    }
+}

CommandWhitelistBukkit/src/main/java/eu/endermite/commandwhitelist/bukkit/listeners/protocollib/PacketCommandPreProcessListener.java

@@ -0,0 +1,58 @@
+package eu.endermite.commandwhitelist.bukkit.listeners.protocollib;
+
+import com.comphenix.protocol.PacketType;
+import com.comphenix.protocol.ProtocolLibrary;
+import com.comphenix.protocol.ProtocolManager;
+import com.comphenix.protocol.events.ListenerPriority;
+import com.comphenix.protocol.events.PacketAdapter;
+import com.comphenix.protocol.events.PacketContainer;
+import com.comphenix.protocol.events.PacketEvent;
+import eu.endermite.commandwhitelist.bukkit.CommandWhitelistBukkit;
+import eu.endermite.commandwhitelist.common.CWPermission;
+import eu.endermite.commandwhitelist.common.CommandUtil;
+import eu.endermite.commandwhitelist.common.ConfigCache;
+import eu.endermite.commandwhitelist.common.commands.CWCommand;
+import net.kyori.adventure.platform.bukkit.BukkitAudiences;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
+
+import java.util.HashSet;
+
+public class PacketCommandPreProcessListener {
+
+    public static void protocol(CommandWhitelistBukkit plugin) {
+        ProtocolManager protocolManager = ProtocolLibrary.getProtocolManager();
+        commandExecListener(protocolManager, plugin);
+    }
+
+    public static void commandExecListener(ProtocolManager protocolManager, Plugin plugin) {
+        protocolManager.addPacketListener(new PacketAdapter(plugin, ListenerPriority.HIGHEST, PacketType.Play.Client.CHAT) {
+            @Override
+            public void onPacketReceiving(PacketEvent event) {
+                PacketContainer packet = event.getPacket();
+                String string = packet.getStrings().read(0);
+                if (!string.startsWith("/")) return;
+                Player player = event.getPlayer();
+                if (player.hasPermission(CWPermission.BYPASS.permission())) return;
+
+                ConfigCache config = CommandWhitelistBukkit.getConfigCache();
+                String label = CommandUtil.getCommandLabel(string.toLowerCase());
+                HashSet<String> commands = CommandWhitelistBukkit.getCommands(player);
+                BukkitAudiences audiences = CommandWhitelistBukkit.getAudiences();
+                if (!commands.contains(label)) {
+                    event.setCancelled(true);
+                    audiences.player(player).sendMessage(CWCommand.miniMessage.deserialize(config.prefix + CommandWhitelistBukkit.getCommandDeniedMessage(label)));
+                    return;
+                }
+                HashSet<String> bannedSubCommands = CommandWhitelistBukkit.getSuggestions(player);
+                for (String bannedSubCommand : bannedSubCommands) {
+                    if (string.toLowerCase().substring(1).startsWith(bannedSubCommand)) {
+                        event.setCancelled(true);
+                        CommandWhitelistBukkit.getAudiences().player(player).sendMessage(CWCommand.miniMessage.deserialize(config.prefix + config.subcommand_denied));
+                        return;
+                    }
+                }
+            }
+        });
+    }
+}

CommandWhitelistBukkit/src/main/java/eu/endermite/commandwhitelist/bukkit/listeners/protocollib/PacketCommandSendListener.java

@@ -0,0 +1,40 @@
+package eu.endermite.commandwhitelist.bukkit.listeners.protocollib;
+
+import com.comphenix.protocol.PacketType;
+import com.comphenix.protocol.ProtocolLibrary;
+import com.comphenix.protocol.ProtocolManager;
+import com.comphenix.protocol.events.ListenerPriority;
+import com.comphenix.protocol.events.PacketAdapter;
+import com.comphenix.protocol.events.PacketContainer;
+import com.comphenix.protocol.events.PacketEvent;
+import com.mojang.brigadier.tree.RootCommandNode;
+import eu.endermite.commandwhitelist.bukkit.CommandWhitelistBukkit;
+import eu.endermite.commandwhitelist.common.CWPermission;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
+
+import java.util.HashSet;
+
+public class PacketCommandSendListener {
+
+    public static void protocol(CommandWhitelistBukkit plugin) {
+        ProtocolManager protocolManager = ProtocolLibrary.getProtocolManager();
+        commandSendListener(protocolManager, plugin);
+    }
+
+    public static void commandSendListener(ProtocolManager protocolManager, Plugin plugin) {
+        protocolManager.addPacketListener(new PacketAdapter(plugin, ListenerPriority.HIGHEST, PacketType.Play.Server.COMMANDS) {
+            @Override
+            public void onPacketSending(PacketEvent event) {
+                Player player = event.getPlayer();
+                if (event.isPlayerTemporary()) return;
+                if (player.hasPermission(CWPermission.BYPASS.permission())) return;
+                HashSet<String> commandList = CommandWhitelistBukkit.getCommands(player);
+                PacketContainer packet = event.getPacket();
+                RootCommandNode<?> node = (RootCommandNode<?>) packet.getModifier().getValues().get(0);
+                node.getChildren().removeIf((cmd) -> !commandList.contains(cmd.getName()));
+            }
+        });
+    }
+
+}

CommandWhitelistBukkit/src/main/resources/plugin.yml

@@ -0,0 +1,22 @@
+name: CommandWhitelist
+prefix: CommandWhitelist
+version: ${project.version}
+api-version: 1.13
+main: eu.endermite.commandwhitelist.bukkit.CommandWhitelistBukkit
+authors: [YouHaveTrouble]
+website: youhavetrouble.me
+softdepend:
+  - ProtocolLib
+description: Control what commands players can use
+commands:
+  commandwhitelist:
+    aliases:
+      - cw
+    usage: /commandwhitelist [args]
+permissions:
+  commandwhitelist.reload:
+    default: op
+  commandwhitelist.admin:
+    default: op
+  commandwhitelist.bypass:
+    default: op

CommandWhitelistCommon/pom.xml

@@ -0,0 +1,108 @@
+<?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>
+    <parent>
+        <groupId>eu.endermite.commandwhitelist</groupId>
+        <artifactId>CommandWhitelist</artifactId>
+        <version>2.4.0</version>
+    </parent>
+
+    <artifactId>Common</artifactId>
+    <packaging>jar</packaging>
+    <name>CommandWhitelist-Common</name>
+
+    <description>You decide what commands players can use or tab complete on your server!</description>
+    <properties>
+        <java.version>1.8</java.version>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+    <url>youhavetrouble.me</url>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.1</version>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.2.4</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <createDependencyReducedPom>false</createDependencyReducedPom>
+                            <finalName>${project.name}-${project.parent.version}</finalName>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>pluginwiki-repo</id>
+            <url>https://ci.pluginwiki.us/plugin/repository/everything/</url>
+        </repository>
+        <repository>
+            <id>velocitypowered-repo</id>
+            <url>https://repo.velocitypowered.com/releases/</url>
+        </repository>
+        <repository>
+            <id>papermc</id>
+            <url>https://papermc.io/repo/repository/maven-public/</url>
+        </repository>
+    </repositories>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.github.thatsmusic99</groupId>
+            <artifactId>ConfigurationMaster-API</artifactId>
+            <version>v2.0.0-BETA-1</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.velocitypowered</groupId>
+            <artifactId>velocity-api</artifactId>
+            <version>1.1.0</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>net.kyori</groupId>
+            <artifactId>adventure-text-minimessage</artifactId>
+            <version>4.10.1</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.papermc.paper</groupId>
+            <artifactId>paper-api</artifactId>
+            <version>1.17.1-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.github.waterfallmc</groupId>
+            <artifactId>waterfall-api</artifactId>
+            <version>1.17-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+</project>

CommandWhitelistCommon/src/main/java/eu/endermite/commandwhitelist/common/CWGroup.java

@@ -0,0 +1,65 @@
+package eu.endermite.commandwhitelist.common;
+
+import org.jetbrains.annotations.Nullable;
+
+import java.util.*;
+
+public class CWGroup {
+
+    private final String id, permission, commandDeniedMessage;
+    private final HashSet<String> commands = new HashSet<>();
+    private final HashSet<String> subCommands = new HashSet<>();
+
+    public CWGroup(String id, Collection<String> commands, Collection<String> subCommands, String custom_command_denied_message) {
+        this.id = id;
+        this.permission = "commandwhitelist.group." + id;
+        this.commands.addAll(commands);
+        this.commandDeniedMessage = custom_command_denied_message;
+        this.subCommands.addAll(subCommands);
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public String getPermission() {
+        return permission;
+    }
+
+    public HashSet<String> getCommands() {
+        return commands;
+    }
+
+    public @Nullable String getCommandDeniedMessage() {
+        return commandDeniedMessage;
+    }
+
+    public void addCommand(String command) {
+        commands.add(command);
+    }
+
+    public void removeCommand(String command) {
+        commands.remove(command);
+    }
+
+    public HashSet<String> getSubCommands() {
+        return subCommands;
+    }
+
+    public void addSubCommand(String subCommand) {
+        subCommands.add(subCommand);
+    }
+
+    public void removeSubCommand(String subCommand) {
+        subCommands.remove(subCommand);
+    }
+
+    public HashMap<String, Object> serialize() {
+        HashMap<String, Object> serializedGroup = new LinkedHashMap<>();
+        List<String> commands = new ArrayList<>(this.commands);
+        List<String> subCommands = new ArrayList<>(this.subCommands);
+        serializedGroup.put("commands", commands);
+        serializedGroup.put("subcommands", subCommands);
+        return serializedGroup;
+    }
+}

CommandWhitelistCommon/src/main/java/eu/endermite/commandwhitelist/common/CWPermission.java

@@ -0,0 +1,32 @@
+package eu.endermite.commandwhitelist.common;
+
+public enum CWPermission {
+
+    ADMIN("commandwhitelist.admin"),
+    RELOAD("commandwhitelist.reload"),
+    BYPASS("commandwhitelist.bypass");
+
+    private final String permission;
+
+    CWPermission(String permission) {
+        this.permission = permission;
+    }
+
+    public String permission() {
+        return permission;
+    }
+
+    /**
+     * Allows to check specific group permission
+     *
+     * @param configCache
+     * @param groupId
+     * @return
+     */
+    public static String getGroupPermission(ConfigCache configCache, String groupId) {
+        if (configCache.getGroupList().containsKey(groupId))
+            return configCache.getGroupList().get(groupId).getPermission();
+        return null;
+    }
+
+}

CommandWhitelistCommon/src/main/java/eu/endermite/commandwhitelist/common/CommandUtil.java

@@ -0,0 +1,97 @@
+package eu.endermite.commandwhitelist.common;
+
+import io.github.thatsmusic99.configurationmaster.api.ConfigFile;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+public class CommandUtil {
+
+    /**
+     * Filters blocked command suggestions from provided collection of strings
+     *
+     * @param buffer             Command buffer
+     * @param suggestions        Full suggestions list
+     * @param blockedSubCommands Subcommands to filter out
+     * @return Filtered list of suggestions
+     */
+    public static List<String> filterSuggestions(String buffer, Collection<String> suggestions, Collection<String> blockedSubCommands) {
+        if (buffer.startsWith("/"))
+            buffer = buffer.substring(1);
+        List<String> suggestionsList = new ArrayList<>(suggestions);
+        if (suggestions.isEmpty() || blockedSubCommands.isEmpty()) return suggestionsList;
+        for (String s : blockedSubCommands) {
+            String scommand = cutLastArgument(s);
+            if (buffer.startsWith(scommand)) {
+                String slast = getLastArgument(s);
+                while (suggestionsList.contains(slast))
+                    suggestionsList.remove(slast);
+            }
+        }
+        return suggestionsList;
+    }
+
+    /**
+     * @param cmd The command
+     * @return Last argument of the command
+     */
+    public static String getLastArgument(String cmd) {
+        String[] parts = cmd.split(" ");
+        if (parts.length == 0) return "";
+        return parts[parts.length - 1];
+    }
+
+    /**
+     * @param cmd The command
+     * @return Command without the last argument.
+     */
+    public static String cutLastArgument(String cmd) {
+        String[] cmdSplit = cmd.split(" ");
+        StringBuilder cmdBuilder = new StringBuilder();
+        for (int i = 0; i <= cmdSplit.length - 2; i++)
+            cmdBuilder.append(cmdSplit[i]).append(" ");
+        return cmdBuilder.toString();
+    }
+
+    /**
+     * @param cmd The command
+     * @return Command label
+     */
+    public static String getCommandLabel(String cmd) {
+        String[] parts = cmd.split(" ");
+        if (parts[0].startsWith("/"))
+            parts[0] = parts[0].substring(1);
+        return parts[0];
+    }
+
+    /**
+     * Dumps command list to a file
+     *
+     * @param serverCommands Commands to dump
+     * @return True on successful file save
+     */
+    public static boolean dumpAllBukkitCommands(ArrayList<String> serverCommands, File file) {
+        try {
+            File parent = new File(file.getParent());
+            if (!parent.exists())
+                parent.mkdir();
+            if (!file.exists())
+                file.createNewFile();
+        } catch (IOException e) {
+            return false;
+        }
+
+        ConfigFile dumpFile = ConfigFile.loadConfig(file);
+        dumpFile.set("commands", serverCommands);
+        try {
+            dumpFile.save();
+        } catch (IOException e) {
+            return false;
+        }
+        return true;
+    }
+
+}

CommandWhitelistCommon/src/main/java/eu/endermite/commandwhitelist/common/ConfigCache.java

@@ -0,0 +1,189 @@
+package eu.endermite.commandwhitelist.common;
+
+import io.github.thatsmusic99.configurationmaster.api.ConfigFile;
+import io.github.thatsmusic99.configurationmaster.api.ConfigSection;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.*;
+
+public class ConfigCache {
+
+    private final File configFile;
+    private ConfigFile config;
+    private final Object logger;
+    private final boolean canDoProtocolLib;
+    private final HashMap<String, CWGroup> groupList = new LinkedHashMap<>();
+    public String prefix, command_denied, no_permission, no_such_subcommand, config_reloaded, added_to_whitelist,
+            removed_from_whitelist, group_doesnt_exist, subcommand_denied;
+    public boolean useProtocolLib = false;
+    public boolean debug = false;
+
+    public ConfigCache(File configFile, boolean canDoProtocolLib, Object logger) {
+        this.configFile = configFile;
+        this.canDoProtocolLib = canDoProtocolLib;
+        this.logger = logger;
+
+        reloadConfig();
+    }
+
+    public boolean reloadConfig() {
+
+        createFiles();
+        config = ConfigFile.loadConfig(configFile);
+
+        config.addDefault("messages.prefix", "CommandWhitelist > ");
+        config.addDefault("messages.command_denied", "No such command.");
+        config.addDefault("messages.subcommand_denied", "You cannot use this subcommand");
+        config.addDefault("messages.no_permission", "<red>You don't have permission to do this.");
+        config.addDefault("messages.no_such_subcommand", "<red>No subcommand by that name.");
+        config.addDefault("messages.config_reloaded", "<yellow>Configuration reloaded.");
+        config.addDefault("messages.added_to_whitelist", "<yellow>Whitelisted command <gold>%s <yellow>for permission <gold>%s");
+        config.addDefault("messages.removed_from_whitelist", "<yellow>Removed command <gold>%s <yellow>from permission <gold>%s");
+        config.addDefault("messages.group_doesnt_exist", "<red>Group doesn't exist or error occured");
+
+        config.addComment("messages", "Messages use MiniMessage formatting (https://docs.adventure.kyori.net/minimessage/format)");
+
+        if (canDoProtocolLib)
+            config.addDefault("use_protocollib", false, "Do not enable if you don't have issues with aliased commands.\nThis requires server restart to take effect.");
+
+        if (config.isNew()) {
+            List<String> exampleCommands = new ArrayList<>();
+            exampleCommands.add("example");
+            List<String> exampleSubCommands = new ArrayList<>();
+            exampleSubCommands.add("example of");
+            String exampleCustomCommandDeniedMessage = "You don't have commandwhitelist.group.example permission.";
+
+            config.addExample("groups.example.commands", exampleCommands, "This is the WHITELIST of commands that players will be able to see/use in the group \"example\"");
+            config.addExample("groups.example.subcommands", exampleSubCommands, "This is the BLACKLIST of subcommands that players will NOT be able to see/use in the group \"example\"");
+            config.addExample("groups.example.custom_command_denied_message", exampleCustomCommandDeniedMessage, "This is a custom message that players will see if they do not have commandwhitelist.group.<group_name> permission.\ncommandwhitelist.group.example in this case\nIf you don't want to use a custom message, set custom_command_denid_message: \"\"");
+            config.addComment("groups.example", "All groups except from default require commandwhitelist.group.<group_name> permission\ncommandwhitelist.group.example in this case\n If you wish to leave the list empty, put \"commands: []\" or \"subcommands: []\"");
+        }
+
+        config.makeSectionLenient("groups");
+        List<String> defaultCommands = new ArrayList<>();
+        defaultCommands.add("help");
+        defaultCommands.add("spawn");
+        defaultCommands.add("bal");
+        defaultCommands.add("balance");
+        defaultCommands.add("baltop");
+        defaultCommands.add("pay");
+        defaultCommands.add("r");
+        defaultCommands.add("msg");
+        defaultCommands.add("tpa");
+        defaultCommands.add("tpahere");
+        defaultCommands.add("tpaccept");
+        defaultCommands.add("tpdeny");
+        defaultCommands.add("warp");
+        List<String> defaultSubcommands = new ArrayList<>();
+        defaultSubcommands.add("help about");
+
+        String defaultCustomCommandDeniedMessage = "";
+
+        config.addDefault("groups.default", new CWGroup("default", defaultCommands, defaultSubcommands, defaultCustomCommandDeniedMessage).serialize());
+
+        prefix = config.getString("messages.prefix");
+        command_denied = config.getString("messages.command_denied");
+        subcommand_denied = config.getString("messages.subcommand_denied");
+        no_permission = config.getString("messages.no_permission");
+        no_such_subcommand = config.getString("messages.no_such_subcommand");
+        config_reloaded = config.getString("messages.config_reloaded");
+        added_to_whitelist = config.getString("messages.added_to_whitelist");
+        removed_from_whitelist = config.getString("messages.removed_from_whitelist");
+        group_doesnt_exist = config.getString("messages.group_doesnt_exist");
+        useProtocolLib = config.getBoolean("use_protocollib");
+        debug = config.getBoolean("debug", false);
+
+        ConfigSection groupSection = config.getConfigSection("groups");
+        for (String key : groupSection.getKeys(false)) {
+            groupList.put(key, loadCWGroup(key, groupSection));
+        }
+
+        return saveConfig();
+    }
+
+    private boolean saveConfig() {
+        try {
+            config.save();
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    private void createFiles() {
+        try {
+            File parent = new File(configFile.getParent());
+            if (!parent.exists())
+                parent.mkdir();
+            if (!configFile.exists())
+                configFile.createNewFile();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public CWGroup loadCWGroup(String id, ConfigSection section) {
+        HashSet<String> commands = new HashSet<>();
+        for (String cmd : section.getStringList(id + ".commands")) {
+            if (cmd.contains(" ")) {
+                String[] cmdSplit = cmd.split(" ");
+                warn("CommandWhitelist - \"" + cmd + "\" is not a command. Loading it as \"" + cmdSplit[0] + "\".");
+                cmd = cmdSplit[0];
+            }
+            if (commands.contains(cmd)) continue;
+            commands.add(cmd);
+        }
+        List<String> subCommands = new ArrayList<>();
+        for (String subCmd : section.getStringList(id + ".subcommands")) {
+            if (!subCmd.contains(" ")) {
+                warn("CommandWhitelist - \"" + subCmd + "\" is not a subcommand. Skipping it.");
+                continue;
+            }
+            subCommands.add(subCmd);
+        }
+        String customCommandDeniedMessage = section.getString(id + ".custom_command_denied_message");
+        return new CWGroup(id, commands, subCommands, customCommandDeniedMessage);
+    }
+
+    public void saveCWGroup(String id, CWGroup group) {
+        config.set("groups." + id, group.serialize());
+        saveConfig();
+    }
+
+    public HashMap<String, CWGroup> getGroupList() {
+        return groupList;
+    }
+
+    private void warn(String log) {
+        if (logger == null) {
+            System.out.println("WARNING: "+log);
+            return;
+        }
+        if (logger instanceof org.slf4j.Logger) {
+            ((org.slf4j.Logger) logger).warn(log);
+            return;
+        }
+        if (logger instanceof java.util.logging.Logger) {
+            ((java.util.logging.Logger) logger).warning(log);
+            return;
+        }
+    }
+
+    public void debug(String log) {
+        if (!debug) return;
+        if (logger == null) {
+            System.out.println("DEBUG: "+log);
+            return;
+        }
+        if (logger instanceof org.slf4j.Logger) {
+            ((org.slf4j.Logger) logger).info(log);
+            return;
+        }
+        if (logger instanceof java.util.logging.Logger) {
+            ((java.util.logging.Logger) logger).info(log);
+            return;
+        }
+    }
+
+}

CommandWhitelistCommon/src/main/java/eu/endermite/commandwhitelist/common/commands/CWCommand.java

@@ -0,0 +1,150 @@
+package eu.endermite.commandwhitelist.common.commands;
+
+import eu.endermite.commandwhitelist.common.CWGroup;
+import eu.endermite.commandwhitelist.common.ConfigCache;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
+import net.kyori.adventure.text.minimessage.tag.standard.StandardTags;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+public class CWCommand {
+
+    public static MiniMessage miniMessage = MiniMessage.builder().tags(
+                    TagResolver.builder()
+                            .resolver(StandardTags.color())
+                            .resolver(StandardTags.decorations())
+                            .resolver(StandardTags.gradient())
+                            .resolver(StandardTags.font())
+                            .resolver(StandardTags.reset())
+                            .resolver(StandardTags.rainbow())
+                            .resolver(StandardTags.translatable())
+                            .resolver(StandardTags.newline())
+                            .resolver(StandardTags.clickEvent())
+                            .resolver(StandardTags.keybind())
+                            .build()
+            ).build();
+
+    public static boolean addToWhitelist(ConfigCache configCache, String command, String group) {
+        CWGroup cwGroup = configCache.getGroupList().get(group);
+        if (cwGroup == null) return false;
+        cwGroup.addCommand(command);
+        configCache.saveCWGroup(group, cwGroup);
+        return true;
+    }
+
+    public static boolean removeFromWhitelist(ConfigCache configCache, String command, String group) {
+        CWGroup cwGroup = configCache.getGroupList().get(group);
+        if (cwGroup == null)
+            return false;
+        cwGroup.removeCommand(command);
+        configCache.saveCWGroup(group, cwGroup);
+        return true;
+    }
+
+    public static Component helpComponent(String baseCommand, boolean showReloadCommand, boolean showAdminCommands) {
+        Component component = miniMessage.deserialize("<rainbow><bold>CommandWhitelist by YouHaveTrouble</bold>")
+                .append(Component.newline());
+        component = component.append(Component.text(baseCommand + " help").color(NamedTextColor.AQUA).append(Component.text(" - Displays this message").color(NamedTextColor.BLUE)));
+        if (showReloadCommand) {
+            component = component.append(Component.newline());
+            component = component.append(Component.text(baseCommand + " reload").color(NamedTextColor.AQUA).append(Component.text(" - Reloads plugin configuration").color(NamedTextColor.BLUE)));
+        }
+        if (showAdminCommands) {
+            component = component.append(Component.newline());
+            component = component.append(Component.text(baseCommand + " add <group> <command>").color(NamedTextColor.AQUA).append(Component.text(" - Add a command to selected permission group").color(NamedTextColor.BLUE)));
+            component = component.append(Component.newline());
+            component = component.append(Component.text(baseCommand + " remove <group> <command>").color(NamedTextColor.AQUA).append(Component.text(" - Removes a command from selected permission group").color(NamedTextColor.BLUE)));
+        }
+        return component;
+    }
+
+    public enum CommandType {
+        ADD, REMOVE, HELP, RELOAD, DUMP
+    }
+
+    public enum ImplementationType {
+        BUKKIT, WATERFALL, VELOCITY
+    }
+
+    public static List<String> commandSuggestions(
+            ConfigCache config,
+            Collection<String> serverCommands,
+            String[] args, boolean reloadPerm,
+            boolean adminPerm,
+            ImplementationType implementationType
+    ) {
+        List<String> list = new ArrayList<>();
+        switch (args.length) {
+            case 0:
+                // thanks velocity for handling completions entirely different from everything else
+                if (implementationType.equals(ImplementationType.VELOCITY)) {
+                    list.add("help");
+                    if (reloadPerm)
+                        list.add("reload");
+                    if (adminPerm) {
+                        list.add("add");
+                        list.add("remove");
+                        list.add("dump");
+                    }
+                }
+                return list;
+            case 1:
+                if ("help".startsWith(args[0]))
+                    list.add("help");
+                if ("reload".startsWith(args[0]) && reloadPerm)
+                    list.add("reload");
+                if ("add".startsWith(args[0]) && adminPerm)
+                    list.add("add");
+                if ("remove".startsWith(args[0]) && adminPerm)
+                    list.add("remove");
+                if ("dump".startsWith(args[0]) && adminPerm)
+                    list.add("dump");
+                return list;
+            case 2:
+                if (args[0].equalsIgnoreCase("add") || args[0].equalsIgnoreCase("remove")) {
+                    if (!adminPerm) return list;
+                    for (String s : config.getGroupList().keySet()) {
+                        if (s.startsWith(args[1]))
+                            list.add(s);
+                    }
+                }
+                return list;
+            case 3:
+                if (args[0].equalsIgnoreCase("remove")) {
+                    if (!adminPerm) return list;
+                    CWGroup group = config.getGroupList().get(args[1]);
+                    if (group == null) return list;
+                    for (String s : group.getCommands()) {
+                        if (s.startsWith(args[2]))
+                            list.add(s);
+                    }
+                    return list;
+                }
+                if (args[0].equalsIgnoreCase("add")) {
+                    if (!adminPerm) return list;
+                    CWGroup group = config.getGroupList().get(args[1]);
+                    if (group == null) return list;
+                    for (String cmd : serverCommands) {
+                        if (cmd.startsWith("/"))
+                            cmd = cmd.substring(1);
+                        if (cmd.contains(":")) {
+                            String[] cmdSplit = cmd.split(":");
+                            if (cmdSplit.length < 2) continue;
+                            cmd = cmdSplit[1];
+                        }
+                        if (group.getCommands().contains(cmd)) continue;
+                        if (cmd.startsWith(args[2]))
+                            list.add(cmd);
+                    }
+                    return list;
+                }
+            default:
+                return list;
+        }
+    }
+
+}

CommandWhitelistVelocity/.gitignore

@@ -0,0 +1,113 @@
+# 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/

CommandWhitelistVelocity/pom.xml

@@ -0,0 +1,101 @@
+<?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>
+    <parent>
+        <groupId>eu.endermite.commandwhitelist</groupId>
+        <artifactId>CommandWhitelist</artifactId>
+        <version>2.4.0</version>
+    </parent>
+
+    <artifactId>Velocity</artifactId>
+    <packaging>jar</packaging>
+    <name>CommandWhitelist-Velocity</name>
+
+    <description>You decide what commands players can use or tab complete on your server!</description>
+    <properties>
+        <java.version>1.8</java.version>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+    <url>youhavetrouble.me</url>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.1</version>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.2.4</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <createDependencyReducedPom>false</createDependencyReducedPom>
+                            <finalName>${project.name}-${project.parent.version}</finalName>
+                            <relocations>
+                                <relocation>
+                                    <pattern>org.bstats</pattern>
+                                    <shadedPattern>eu.endermite.bstats</shadedPattern>
+                                </relocation>
+                            </relocations>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>papermc</id>
+            <url>https://papermc.io/repo/repository/maven-public/</url>
+        </repository>
+        <repository>
+            <id>minecraft-libraries</id>
+            <url>https://libraries.minecraft.net/</url>
+        </repository>
+        <repository>
+            <id>spongepowered-repo</id>
+            <url>https://repo.spongepowered.org/maven</url>
+        </repository>
+    </repositories>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.velocitypowered</groupId>
+            <artifactId>velocity-api</artifactId>
+            <version>3.1.2-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>eu.endermite.commandwhitelist</groupId>
+            <artifactId>Common</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.bstats</groupId>
+            <artifactId>bstats-velocity</artifactId>
+            <version>3.0.0</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
+</project>

CommandWhitelistVelocity/src/main/java/eu/endermite/commandwhitelist/velocity/CommandWhitelistVelocity.java

@@ -0,0 +1,141 @@
+package eu.endermite.commandwhitelist.velocity;
+
+import com.velocitypowered.api.command.CommandMeta;
+import com.velocitypowered.api.command.CommandSource;
+import com.velocitypowered.api.event.Subscribe;
+import com.velocitypowered.api.event.command.CommandExecuteEvent;
+import com.velocitypowered.api.event.command.PlayerAvailableCommandsEvent;
+import com.velocitypowered.api.event.proxy.ProxyInitializeEvent;
+import com.velocitypowered.api.plugin.annotation.DataDirectory;
+import com.velocitypowered.api.proxy.Player;
+import com.velocitypowered.api.proxy.ProxyServer;
+import eu.endermite.commandwhitelist.common.CWGroup;
+import eu.endermite.commandwhitelist.common.CWPermission;
+import eu.endermite.commandwhitelist.common.ConfigCache;
+import eu.endermite.commandwhitelist.common.commands.CWCommand;
+import eu.endermite.commandwhitelist.velocity.command.VelocityMainCommand;
+import net.kyori.adventure.identity.Identity;
+import org.bstats.charts.SimplePie;
+import org.bstats.velocity.Metrics;
+import org.slf4j.Logger;
+
+import javax.inject.Inject;
+import java.io.File;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+
+public class CommandWhitelistVelocity {
+
+    private static CommandWhitelistVelocity plugin;
+    private static ProxyServer server;
+    private static ConfigCache configCache;
+    private static Path folder;
+    private static Logger logger;
+    private final Metrics.Factory metricsFactory;
+
+    @Inject
+    public CommandWhitelistVelocity(ProxyServer server, Logger logger, @DataDirectory final Path folder, Metrics.Factory metricsFactory) {
+        CommandWhitelistVelocity.server = server;
+        CommandWhitelistVelocity.folder = folder;
+        CommandWhitelistVelocity.plugin = this;
+        CommandWhitelistVelocity.logger = logger;
+        this.metricsFactory = metricsFactory;
+
+    }
+
+    private static void reloadConfig() {
+        if (configCache == null)
+            configCache = new ConfigCache(new File(String.valueOf(folder), "config.yml"), false, logger);
+        else
+            configCache.reloadConfig();
+    }
+
+    public static void reloadConfig(CommandSource source) {
+        server.getScheduler().buildTask(plugin, () -> {
+            reloadConfig();
+            source.sendMessage(Identity.nil(), CWCommand.miniMessage.deserialize(getConfigCache().prefix + getConfigCache().config_reloaded));
+        }).schedule();
+    }
+
+    @Subscribe
+    public void onProxyInitialization(ProxyInitializeEvent event) {
+        reloadConfig();
+        CommandMeta commandMeta = server.getCommandManager().metaBuilder("vcw").build();
+        server.getCommandManager().register(commandMeta, new VelocityMainCommand());
+        Metrics metrics = metricsFactory.make(this, 8704);
+        metrics.addCustomChart(new SimplePie("proxy", () -> "Velocity"));
+    }
+
+    @Subscribe
+    public void onUserCommandSendEvent(PlayerAvailableCommandsEvent event) {
+        Player player = event.getPlayer();
+        if (player.hasPermission(CWPermission.BYPASS.permission())) return;
+        HashSet<String> allowedCommands = CommandWhitelistVelocity.getCommands(player);
+        event.getRootNode().getChildren().removeIf((commandNode) ->
+                server.getCommandManager().hasCommand(commandNode.getName())
+                        && !allowedCommands.contains(commandNode.getName())
+        );
+    }
+
+    @Subscribe
+    public void onUserCommandExecuteEvent(com.velocitypowered.api.event.command.CommandExecuteEvent event) {
+        if (!(event.getCommandSource() instanceof Player)) return;
+        Player player = (Player) event.getCommandSource();
+
+        if (player.hasPermission(CWPermission.BYPASS.permission())) return;
+
+        HashSet<String> allowedCommands = CommandWhitelistVelocity.getCommands(player);
+        String command = event.getCommand().split(" ")[0];
+        if (server.getCommandManager().hasCommand(command)
+                && !allowedCommands.contains(command))
+            event.setResult(CommandExecuteEvent.CommandResult.forwardToServer());
+    }
+
+    public static ConfigCache getConfigCache() {
+        return configCache;
+    }
+
+    public static Path getConfigPath() {
+        return folder;
+    }
+
+    /**
+     * @param player Velocity Player
+     * @return commands available to the player
+     */
+    public static HashSet<String> getCommands(Player player) {
+        HashMap<String, CWGroup> groups = configCache.getGroupList();
+        HashSet<String> commandList = new HashSet<>();
+        for (Map.Entry<String, CWGroup> s : groups.entrySet()) {
+            CWGroup group = s.getValue();
+            if (s.getKey().equalsIgnoreCase("default"))
+                commandList.addAll(group.getCommands());
+            else if (player.hasPermission(group.getPermission()))
+                commandList.addAll(group.getCommands());
+        }
+        return commandList;
+    }
+
+    /**
+     * @param player Velocity Player
+     * @return subcommands unavailable for the player
+     */
+    public static HashSet<String> getSuggestions(Player player, HashMap<String, CWGroup> groups) {
+        HashSet<String> suggestionList = new HashSet<>();
+        for (Map.Entry<String, CWGroup> s : groups.entrySet()) {
+            if (s.getKey().equalsIgnoreCase("default"))
+                suggestionList.addAll(s.getValue().getSubCommands());
+            if (player.hasPermission(s.getValue().getPermission())) continue;
+            suggestionList.addAll(s.getValue().getSubCommands());
+        }
+        return suggestionList;
+    }
+
+    public static ArrayList<String> getServerCommands() {
+        return new ArrayList<>(server.getCommandManager().getAliases());
+    }
+
+}

CommandWhitelistVelocity/src/main/java/eu/endermite/commandwhitelist/velocity/command/VelocityMainCommand.java

@@ -0,0 +1,104 @@
+package eu.endermite.commandwhitelist.velocity.command;
+
+import com.velocitypowered.api.command.CommandSource;
+import com.velocitypowered.api.command.SimpleCommand;
+import eu.endermite.commandwhitelist.common.CWPermission;
+import eu.endermite.commandwhitelist.common.CommandUtil;
+import eu.endermite.commandwhitelist.common.commands.CWCommand;
+import eu.endermite.commandwhitelist.velocity.CommandWhitelistVelocity;
+import net.kyori.adventure.text.Component;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+
+public class VelocityMainCommand implements SimpleCommand {
+
+    @Override
+    public void execute(final Invocation invocation) {
+        CommandSource sender = invocation.source();
+        String[] args = invocation.arguments();
+        String label = invocation.alias();
+
+        if (args.length == 0) {
+            sender.sendMessage(CWCommand.helpComponent(label, sender.hasPermission(CWPermission.RELOAD.permission()), sender.hasPermission(CWPermission.ADMIN.permission())));
+            return;
+        }
+
+        try {
+            CWCommand.CommandType commandType = CWCommand.CommandType.valueOf(args[0].toUpperCase());
+            switch (commandType) {
+                case RELOAD:
+                    if (!sender.hasPermission(CWPermission.RELOAD.permission())) {
+                        sender.sendMessage(CWCommand.miniMessage.deserialize(CommandWhitelistVelocity.getConfigCache().prefix + CommandWhitelistVelocity.getConfigCache().no_permission));
+                        return;
+                    }
+                    CommandWhitelistVelocity.reloadConfig(sender);
+                    return;
+                case ADD:
+                    if (!sender.hasPermission(CWPermission.ADMIN.permission())) {
+                        sender.sendMessage(CWCommand.miniMessage.deserialize(CommandWhitelistVelocity.getConfigCache().prefix + CommandWhitelistVelocity.getConfigCache().no_permission));
+                        return;
+                    }
+                    if (args.length == 3) {
+                        if (CWCommand.addToWhitelist(CommandWhitelistVelocity.getConfigCache(), args[2], args[1]))
+                            sender.sendMessage(CWCommand.miniMessage.deserialize(String.format(CommandWhitelistVelocity.getConfigCache().prefix + CommandWhitelistVelocity.getConfigCache().added_to_whitelist, args[2], args[1])));
+                        else
+                            sender.sendMessage(CWCommand.miniMessage.deserialize(String.format(CommandWhitelistVelocity.getConfigCache().prefix + CommandWhitelistVelocity.getConfigCache().group_doesnt_exist, args[1])));
+                    } else
+                        sender.sendMessage(Component.text("/" + label + " add <group> <command>"));
+                    return;
+                case REMOVE:
+                    if (!sender.hasPermission(CWPermission.ADMIN.permission())) {
+                        sender.sendMessage(CWCommand.miniMessage.deserialize(CommandWhitelistVelocity.getConfigCache().prefix + CommandWhitelistVelocity.getConfigCache().no_permission));
+                        return;
+                    }
+                    if (args.length == 3) {
+                        if (CWCommand.removeFromWhitelist(CommandWhitelistVelocity.getConfigCache(), args[2], args[1]))
+                            sender.sendMessage(CWCommand.miniMessage.deserialize(String.format(CommandWhitelistVelocity.getConfigCache().prefix + CommandWhitelistVelocity.getConfigCache().removed_from_whitelist, args[2], args[1])));
+                        else
+                            sender.sendMessage(CWCommand.miniMessage.deserialize(String.format(CommandWhitelistVelocity.getConfigCache().prefix + CommandWhitelistVelocity.getConfigCache().group_doesnt_exist, args[1])));
+                    } else
+                        sender.sendMessage(Component.text("/" + label + " remove <group> <command>"));
+                    return;
+                case DUMP:
+                    if (!sender.hasPermission(CWPermission.ADMIN.permission())) {
+                        sender.sendMessage(CWCommand.miniMessage.deserialize(CommandWhitelistVelocity.getConfigCache().prefix + CommandWhitelistVelocity.getConfigCache().no_permission));
+                        return;
+                    }
+                    sender.sendMessage(Component.text("Dumping all available commands to a file..."));
+                    if (CommandUtil.dumpAllBukkitCommands(CommandWhitelistVelocity.getServerCommands(), new File(String.valueOf(CommandWhitelistVelocity.getConfigPath()), "command_dump.yml"))) {
+                        sender.sendMessage(Component.text("Commands dumped to command_dump.yml"));
+                    } else {
+                       sender.sendMessage(Component.text("Failed to save the file."));
+                    }
+                    return;
+                case HELP:
+                default:
+                    sender.sendMessage(CWCommand.helpComponent(label, sender.hasPermission(CWPermission.RELOAD.permission()), sender.hasPermission(CWPermission.ADMIN.permission())));
+            }
+
+        } catch (IllegalArgumentException e) {
+            sender.sendMessage(CWCommand.helpComponent(label, sender.hasPermission(CWPermission.RELOAD.permission()), sender.hasPermission(CWPermission.ADMIN.permission())));
+        }
+        return;
+    }
+
+    @Override
+    public CompletableFuture<List<String>> suggestAsync(Invocation invocation) {
+        CommandSource source = invocation.source();
+        String[] args = invocation.arguments();
+        return CompletableFuture.supplyAsync(() -> {
+            List<String> serverCommands = CommandWhitelistVelocity.getServerCommands();
+            return CWCommand.commandSuggestions(
+                    CommandWhitelistVelocity.getConfigCache(),
+                    serverCommands,
+                    args,
+                    source.hasPermission(CWPermission.RELOAD.permission()),
+                    source.hasPermission(CWPermission.ADMIN.permission()),
+                    CWCommand.ImplementationType.VELOCITY
+            );
+        });
+    }
+}

CommandWhitelistVelocity/src/main/resources/velocity-plugin.json

@@ -0,0 +1,9 @@
+{
+  "id": "commandwhitelist",
+  "name": "CommandWhitelist",
+  "version": "${project.version}",
+  "description": "You decide what commands players can use or tab complete on your server!",
+  "authors": ["YouHaveTrouble"],
+  "dependencies": [],
+  "main": "eu.endermite.commandwhitelist.velocity.CommandWhitelistVelocity"
+}

CommandWhitelistWaterfall/.gitignore

@@ -0,0 +1,113 @@
+# 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/

CommandWhitelistWaterfall/pom.xml

@@ -0,0 +1,113 @@
+<?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>
+    <parent>
+        <groupId>eu.endermite.commandwhitelist</groupId>
+        <artifactId>CommandWhitelist</artifactId>
+        <version>2.4.0</version>
+    </parent>
+
+    <artifactId>Waterfall</artifactId>
+    <packaging>jar</packaging>
+    <name>CommandWhitelist-Waterfall</name>
+
+    <description>You decide what commands players can use or tab complete on your server!</description>
+    <properties>
+        <java.version>1.8</java.version>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+    <url>youhavetrouble.me</url>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.1</version>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.2.4</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <createDependencyReducedPom>false</createDependencyReducedPom>
+                            <finalName>${project.name}-${project.parent.version}</finalName>
+                            <relocations>
+                                <relocation>
+                                    <pattern>org.bstats</pattern>
+                                    <shadedPattern>eu.endermite.bstats</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>net.kyori</pattern>
+                                    <shadedPattern>eu.endermite</shadedPattern>
+                                </relocation>
+                            </relocations>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>sonatype</id>
+            <url>https://oss.sonatype.org/content/groups/public/</url>
+        </repository>
+        <repository>
+            <id>papermc</id>
+            <url>https://papermc.io/repo/repository/maven-public/</url>
+        </repository>
+    </repositories>
+
+    <dependencies>
+        <dependency>
+            <groupId>eu.endermite.commandwhitelist</groupId>
+            <artifactId>Common</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.github.waterfallmc</groupId>
+            <artifactId>waterfall-api</artifactId>
+            <version>1.17-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>net.kyori</groupId>
+            <artifactId>adventure-platform-bungeecord</artifactId>
+            <version>4.1.0</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>net.kyori</groupId>
+            <artifactId>adventure-text-minimessage</artifactId>
+            <version>4.10.1</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.bstats</groupId>
+            <artifactId>bstats-bungeecord</artifactId>
+            <version>3.0.0</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
+</project>

CommandWhitelistWaterfall/src/main/java/eu/endermite/commandwhitelist/waterfall/CommandWhitelistWaterfall.java

@@ -0,0 +1,132 @@
+package eu.endermite.commandwhitelist.waterfall;
+
+import eu.endermite.commandwhitelist.common.CWGroup;
+import eu.endermite.commandwhitelist.common.ConfigCache;
+import eu.endermite.commandwhitelist.common.commands.CWCommand;
+import eu.endermite.commandwhitelist.waterfall.command.BungeeMainCommand;
+import eu.endermite.commandwhitelist.waterfall.listeners.BungeeChatEventListener;
+import eu.endermite.commandwhitelist.waterfall.listeners.BungeeTabcompleteListener;
+import eu.endermite.commandwhitelist.waterfall.listeners.WaterfallDefineCommandsListener;
+import net.kyori.adventure.platform.bungeecord.BungeeAudiences;
+import net.md_5.bungee.api.ChatColor;
+import net.md_5.bungee.api.CommandSender;
+import net.md_5.bungee.api.connection.ProxiedPlayer;
+import net.md_5.bungee.api.plugin.Command;
+import net.md_5.bungee.api.plugin.Plugin;
+import org.bstats.bungeecord.Metrics;
+import org.bstats.charts.SimplePie;
+
+import java.io.File;
+import java.util.*;
+
+public final class CommandWhitelistWaterfall extends Plugin {
+
+    private static CommandWhitelistWaterfall plugin;
+    private static ConfigCache configCache;
+    private static BungeeAudiences audiences;
+
+    @Override
+    public void onEnable() {
+        plugin = this;
+        getLogger().info("Running on " + ChatColor.DARK_AQUA + getProxy().getName());
+        loadConfig();
+        audiences = BungeeAudiences.create(this);
+        Metrics metrics = new Metrics(this, 8704);
+
+        this.getProxy().getPluginManager().registerListener(this, new BungeeChatEventListener());
+        try {
+            Class.forName("io.github.waterfallmc.waterfall.event.ProxyDefineCommandsEvent");
+            metrics.addCustomChart(new SimplePie("proxy", () -> "Waterfall"));
+            this.getProxy().getPluginManager().registerListener(this, new WaterfallDefineCommandsListener());
+        } catch (ClassNotFoundException e) {
+            metrics.addCustomChart(new SimplePie("proxy", () -> "Bungee"));
+            getLogger().severe("Bungee command completion blocker requires Waterfall other Waterfall fork.");
+        }
+        this.getProxy().getPluginManager().registerListener(this, new BungeeTabcompleteListener());
+        getProxy().getPluginManager().registerCommand(this, new BungeeMainCommand("bcw"));
+
+
+    }
+
+    public static CommandWhitelistWaterfall getPlugin() {
+        return plugin;
+    }
+
+    public static ConfigCache getConfigCache() {
+        return configCache;
+    }
+
+    public static BungeeAudiences getAudiences() {
+        return audiences;
+    }
+
+    public void loadConfig() {
+        if (configCache == null)
+            configCache = new ConfigCache(new File(getDataFolder(), "config.yml"), false, getLogger());
+        else
+            configCache.reloadConfig();
+    }
+
+    public void loadConfigAsync(CommandSender sender) {
+        getProxy().getScheduler().runAsync(this, () -> {
+            loadConfig();
+            audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(CommandWhitelistWaterfall.getConfigCache().prefix + CommandWhitelistWaterfall.getConfigCache().config_reloaded));
+        });
+    }
+
+    /**
+     * @param player Bungee Player
+     * @return commands available to the player
+     */
+    public static HashSet<String> getCommands(ProxiedPlayer player) {
+        HashSet<String> commandList = new HashSet<>();
+        HashMap<String, CWGroup> groups = configCache.getGroupList();
+        for (Map.Entry<String, CWGroup> s : groups.entrySet()) {
+            if (s.getKey().equalsIgnoreCase("default"))
+                commandList.addAll(s.getValue().getCommands());
+            else if (player.hasPermission(s.getValue().getPermission()))
+                commandList.addAll(s.getValue().getCommands());
+        }
+        return commandList;
+    }
+
+    /**
+     * @param player Bungee Player
+     * @return subcommands unavailable for the player
+     */
+    public static HashSet<String> getSuggestions(ProxiedPlayer player) {
+        HashMap<String, CWGroup> groups = configCache.getGroupList();
+        HashSet<String> suggestionList = new HashSet<>();
+        for (Map.Entry<String, CWGroup> s : groups.entrySet()) {
+            if (s.getKey().equalsIgnoreCase("default"))
+                suggestionList.addAll(s.getValue().getSubCommands());
+            if (player.hasPermission(s.getValue().getPermission())) continue;
+            suggestionList.addAll(s.getValue().getSubCommands());
+        }
+        return suggestionList;
+    }
+
+    /**
+     * @return Command denied message. Will use custom if command exists in any group.
+     */
+    public static String getCommandDeniedMessage(String command) {
+        String commandDeniedMessage = configCache.command_denied;
+        HashMap<String, CWGroup> groups = configCache.getGroupList();
+        for (CWGroup group : groups.values()) {
+            if (group.getCommands().contains(command)) {
+                if (group.getCommandDeniedMessage() == null || group.getCommandDeniedMessage().isEmpty()) continue;
+                commandDeniedMessage = group.getCommandDeniedMessage();
+                break; // get first message we find
+            }
+        }
+        return commandDeniedMessage;
+    }
+
+    public static ArrayList<String> getServerCommands() {
+        ArrayList<String> serverCommands = new ArrayList<>();
+        for (Map.Entry<String, Command> command : CommandWhitelistWaterfall.getPlugin().getProxy().getPluginManager().getCommands()) {
+            serverCommands.add(command.getValue().getName());
+        }
+        return serverCommands;
+    }
+}

CommandWhitelistWaterfall/src/main/java/eu/endermite/commandwhitelist/waterfall/command/BungeeMainCommand.java

@@ -0,0 +1,106 @@
+package eu.endermite.commandwhitelist.waterfall.command;
+
+import eu.endermite.commandwhitelist.common.CWPermission;
+import eu.endermite.commandwhitelist.common.CommandUtil;
+import eu.endermite.commandwhitelist.common.ConfigCache;
+import eu.endermite.commandwhitelist.common.commands.CWCommand;
+import eu.endermite.commandwhitelist.waterfall.CommandWhitelistWaterfall;
+import net.kyori.adventure.platform.bungeecord.BungeeAudiences;
+import net.kyori.adventure.text.Component;
+import net.md_5.bungee.api.CommandSender;
+import net.md_5.bungee.api.plugin.Command;
+import net.md_5.bungee.api.plugin.TabExecutor;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+public class BungeeMainCommand extends Command implements TabExecutor {
+
+    public BungeeMainCommand(String name) {
+        super(name);
+    }
+
+    public void execute(CommandSender sender, String[] args) {
+
+        String label = getName();
+        ConfigCache configCache = CommandWhitelistWaterfall.getConfigCache();
+        BungeeAudiences audiences = CommandWhitelistWaterfall.getAudiences();
+
+        if (args.length == 0) {
+            audiences.sender(sender).sendMessage(CWCommand.helpComponent(label, sender.hasPermission(CWPermission.RELOAD.permission()), sender.hasPermission(CWPermission.ADMIN.permission())));
+            return;
+        }
+
+        try {
+            CWCommand.CommandType commandType = CWCommand.CommandType.valueOf(args[0].toUpperCase());
+            switch (commandType) {
+                case RELOAD:
+                    if (!sender.hasPermission(CWPermission.RELOAD.permission())) {
+                        audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(CommandWhitelistWaterfall.getConfigCache().prefix + configCache.no_permission));
+                        return;
+                    }
+                    CommandWhitelistWaterfall.getPlugin().loadConfigAsync(sender);
+                    return;
+                case ADD:
+                    if (!sender.hasPermission(CWPermission.ADMIN.permission())) {
+                        audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(configCache.prefix + configCache.no_permission));
+                        return;
+                    }
+                    if (args.length == 3) {
+                        if (CWCommand.addToWhitelist(configCache, args[2], args[1]))
+                            audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(configCache.prefix + configCache.added_to_whitelist));
+                        else
+                            audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(configCache.prefix + configCache.group_doesnt_exist));
+                    } else
+                        audiences.sender(sender).sendMessage(Component.text("/" + label + " add <group> <command>"));
+                    return;
+                case REMOVE:
+                    if (!sender.hasPermission(CWPermission.ADMIN.permission())) {
+                        audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(configCache.prefix + configCache.no_permission));
+                        return;
+                    }
+                    if (args.length == 3) {
+                        if (CWCommand.removeFromWhitelist(configCache, args[2], args[1]))
+                            audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(configCache.prefix + configCache.removed_from_whitelist));
+                        else
+                            audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(configCache.prefix + configCache.group_doesnt_exist));
+                    } else
+                        audiences.sender(sender).sendMessage(Component.text("/" + label + " remove <group> <command>"));
+                    return;
+                case DUMP:
+                    if (!sender.hasPermission(CWPermission.ADMIN.permission())) {
+                        audiences.sender(sender).sendMessage(CWCommand.miniMessage.deserialize(CommandWhitelistWaterfall.getConfigCache().prefix + CommandWhitelistWaterfall.getConfigCache().no_permission));
+                        return;
+                    }
+                    audiences.sender(sender).sendMessage(Component.text("Dumping all available commands to a file..."));
+                    if (CommandUtil.dumpAllBukkitCommands(CommandWhitelistWaterfall.getServerCommands(), new File("plugins/CommandWhitelist/config.yml"))) {
+                        audiences.sender(sender).sendMessage(Component.text("Commands dumped to command_dump.yml"));
+                    } else {
+                        audiences.sender(sender).sendMessage(Component.text("Failed to save the file."));
+                    }
+                    return;
+                case HELP:
+                default:
+                    audiences.sender(sender).sendMessage(CWCommand.helpComponent(label, sender.hasPermission(CWPermission.RELOAD.permission()), sender.hasPermission(CWPermission.ADMIN.permission())));
+            }
+
+        } catch (IllegalArgumentException e) {
+            audiences.sender(sender).sendMessage(CWCommand.helpComponent(label, sender.hasPermission(CWPermission.RELOAD.permission()), sender.hasPermission(CWPermission.ADMIN.permission())));
+        }
+        return;
+    }
+
+    @Override
+    public Iterable<String> onTabComplete(CommandSender sender, String[] args) {
+        return CWCommand.commandSuggestions(
+                CommandWhitelistWaterfall.getConfigCache(),
+                CommandWhitelistWaterfall.getServerCommands(),
+                args,
+                sender.hasPermission(CWPermission.RELOAD.permission()),
+                sender.hasPermission(CWPermission.ADMIN.permission()),
+                CWCommand.ImplementationType.WATERFALL
+        );
+    }
+}

CommandWhitelistWaterfall/src/main/java/eu/endermite/commandwhitelist/waterfall/listeners/BungeeChatEventListener.java

@@ -0,0 +1,48 @@
+package eu.endermite.commandwhitelist.waterfall.listeners;
+
+import eu.endermite.commandwhitelist.common.CWPermission;
+import eu.endermite.commandwhitelist.common.CommandUtil;
+import eu.endermite.commandwhitelist.common.ConfigCache;
+import eu.endermite.commandwhitelist.common.commands.CWCommand;
+import eu.endermite.commandwhitelist.waterfall.CommandWhitelistWaterfall;
+import net.kyori.adventure.platform.bungeecord.BungeeAudiences;
+import net.md_5.bungee.api.connection.ProxiedPlayer;
+import net.md_5.bungee.api.plugin.Listener;
+import net.md_5.bungee.event.EventHandler;
+
+import java.util.HashSet;
+
+public class BungeeChatEventListener implements Listener {
+
+    @EventHandler
+    public void onChatEvent(net.md_5.bungee.api.event.ChatEvent event) {
+        if (event.isCancelled()) return;
+        if (!(event.getSender() instanceof ProxiedPlayer)) return;
+        if (!event.isProxyCommand()) return;
+        ProxiedPlayer player = (ProxiedPlayer) event.getSender();
+        if (player.hasPermission(CWPermission.BYPASS.permission())) return;
+
+        String command = event.getMessage().toLowerCase();
+        if (command.startsWith("/"))
+            command = command.substring(1);
+        ConfigCache configCache = CommandWhitelistWaterfall.getConfigCache();
+        BungeeAudiences audiences = CommandWhitelistWaterfall.getAudiences();
+
+        String label = CommandUtil.getCommandLabel(command);
+        HashSet<String> commands = CommandWhitelistWaterfall.getCommands(player);
+        if (!commands.contains(label)) {
+            event.setCancelled(true);
+            CommandWhitelistWaterfall.getAudiences().player(player).sendMessage(CWCommand.miniMessage.deserialize(configCache.prefix + CommandWhitelistWaterfall.getCommandDeniedMessage(label)));
+            return;
+        }
+
+        HashSet<String> bannedSubCommands = CommandWhitelistWaterfall.getSuggestions(player);
+        for (String bannedSubCommand : bannedSubCommands) {
+            if (command.startsWith(bannedSubCommand)) {
+                event.setCancelled(true);
+                audiences.player(player).sendMessage(CWCommand.miniMessage.deserialize(configCache.prefix + configCache.subcommand_denied));
+                return;
+            }
+        }
+    }
+}

CommandWhitelistWaterfall/src/main/java/eu/endermite/commandwhitelist/waterfall/listeners/BungeeTabcompleteListener.java

@@ -0,0 +1,25 @@
+package eu.endermite.commandwhitelist.waterfall.listeners;
+
+import eu.endermite.commandwhitelist.common.CWPermission;
+import eu.endermite.commandwhitelist.common.CommandUtil;
+import eu.endermite.commandwhitelist.waterfall.CommandWhitelistWaterfall;
+import net.md_5.bungee.api.connection.ProxiedPlayer;
+import net.md_5.bungee.api.plugin.Listener;
+import net.md_5.bungee.event.EventHandler;
+
+public class BungeeTabcompleteListener implements Listener {
+
+    @EventHandler
+    public void onTabcomplete(net.md_5.bungee.api.event.TabCompleteEvent event) {
+        if (!(event.getReceiver() instanceof ProxiedPlayer)) return;
+        ProxiedPlayer player = (ProxiedPlayer) event.getReceiver();
+        if (event.getSuggestions().isEmpty()) return;
+        if (player.hasPermission(CWPermission.BYPASS.permission())) return;
+        CommandUtil.filterSuggestions(
+                event.getCursor(),
+                event.getSuggestions(),
+                CommandWhitelistWaterfall.getSuggestions(player)
+        );
+    }
+
+}

CommandWhitelistWaterfall/src/main/java/eu/endermite/commandwhitelist/waterfall/listeners/WaterfallDefineCommandsListener.java

@@ -0,0 +1,28 @@
+package eu.endermite.commandwhitelist.waterfall.listeners;
+
+import eu.endermite.commandwhitelist.common.CWPermission;
+import eu.endermite.commandwhitelist.waterfall.CommandWhitelistWaterfall;
+import net.md_5.bungee.api.connection.ProxiedPlayer;
+import net.md_5.bungee.api.plugin.Command;
+import net.md_5.bungee.api.plugin.Listener;
+import net.md_5.bungee.event.EventHandler;
+
+import java.util.HashMap;
+
+public class WaterfallDefineCommandsListener implements Listener {
+
+    @EventHandler
+    public void onProxyDefineCommandsEvent(io.github.waterfallmc.waterfall.event.ProxyDefineCommandsEvent event) {
+        if (event.getReceiver() instanceof ProxiedPlayer) {
+            ProxiedPlayer player = (ProxiedPlayer) event.getReceiver();
+            if (player.hasPermission(CWPermission.BYPASS.permission())) return;
+            HashMap<String, Command> commandHashMap = new HashMap<>();
+            CommandWhitelistWaterfall.getCommands(player).forEach(cmdName ->
+                    CommandWhitelistWaterfall.getPlugin().getProxy().getPluginManager().getCommands()
+                            .stream()
+                            .filter(commandEntry -> cmdName.equalsIgnoreCase(commandEntry.getValue().getName()))
+                            .forEach(commandEntry -> commandHashMap.put(commandEntry.getKey(), commandEntry.getValue())));
+            event.getCommands().values().removeIf((cmd) -> !commandHashMap.containsValue(cmd));
+        }
+    }
+}

CommandWhitelistWaterfall/src/main/resources/bungee.yml

@@ -0,0 +1,5 @@
+name: CommandWhitelist
+author: YouHaveTrouble
+version: ${project.version}
+main: eu.endermite.commandwhitelist.waterfall.CommandWhitelistWaterfall
+description: You decide what commands players can use or tab complete on your server!

LICENSE

@@ -0,0 +1,339 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Lesser General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+  To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+  We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+  Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
+authors' reputations.
+
+  Finally, any free program is threatened constantly by software
+patents.  We wish to avoid the danger that redistributors of a free
+program will individually obtain patent licenses, in effect making the
+program proprietary.  To prevent this, we have made it clear that any
+patent must be licensed for everyone's free use or not licensed at all.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License.  The "Program", below,
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+Whether that is true depends on what the Program does.
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+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+  2. You may modify your copy or copies of the Program or any portion
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+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+    a) You must cause the modified files to carry prominent notices
+    stating that you changed the files and the date of any change.
+
+    b) You must cause any work that you distribute or publish, that in
+    whole or in part contains or is derived from the Program or any
+    part thereof, to be licensed as a whole at no charge to all third
+    parties under the terms of this License.
+
+    c) If the modified program normally reads commands interactively
+    when run, you must cause it, when started running for such
+    interactive use in the most ordinary way, to print or display an
+    announcement including an appropriate copyright notice and a
+    notice that there is no warranty (or else, saying that you provide
+    a warranty) and that users may redistribute the program under
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+
+These requirements apply to the modified work as a whole.  If
+identifiable sections of that work are not derived from the Program,
+and can be reasonably considered independent and separate works in
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+sections when you distribute them as separate works.  But when you
+distribute the same sections as part of a whole which is a work based
+on the Program, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
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+
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
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+
+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+  3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
+Sections 1 and 2 above provided that you also do one of the following:
+
+    a) Accompany it with the complete corresponding machine-readable
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+    cost of physically performing source distribution, a complete
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+    to distribute corresponding source code.  (This alternative is
+    allowed only for noncommercial distribution and only if you
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+    an offer, in accord with Subsection b above.)
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+making modifications to it.  For an executable work, complete source
+code means all the source code for all modules it contains, plus any
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+access to copy the source code from the same place counts as
+distribution of the source code, even though third parties are not
+compelled to copy the source along with the object code.
+
+  4. You may not copy, modify, sublicense, or distribute the Program
+except as expressly provided under this License.  Any attempt
+otherwise to copy, modify, sublicense or distribute the Program is
+void, and will automatically terminate your rights under this License.
+However, parties who have received copies, or rights, from you under
+this License will not have their licenses terminated so long as such
+parties remain in full compliance.
+
+  5. You are not required to accept this License, since you have not
+signed it.  However, nothing else grants you permission to modify or
+distribute the Program or its derivative works.  These actions are
+prohibited by law if you do not accept this License.  Therefore, by
+modifying or distributing the Program (or any work based on the
+Program), you indicate your acceptance of this License to do so, and
+all its terms and conditions for copying, distributing or modifying
+the Program or works based on it.
+
+  6. Each time you redistribute the Program (or any work based on the
+Program), the recipient automatically receives a license from the
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+restrictions on the recipients' exercise of the rights granted herein.
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+this License.
+
+  7. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
+conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot
+distribute so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you
+may not distribute the Program at all.  For example, if a patent
+license would not permit royalty-free redistribution of the Program by
+all those who receive copies directly or indirectly through you, then
+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
+any particular circumstance, the balance of the section is intended to
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+
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+integrity of the free software distribution system, which is
+implemented by public license practices.  Many people have made
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+through that system in reliance on consistent application of that
+system; it is up to the author/donor to decide if he or she is willing
+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+  8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded.  In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+  9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the Program
+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+  10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
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+make exceptions for this.  Our decision will be guided by the two goals
+of preserving the free status of all derivatives of our free software and
+of promoting the sharing and reuse of software generally.
+
+                            NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
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+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.

pom.xml

@@ -4,10 +4,16 @@
          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>eu.endermite</groupId>
+    <groupId>eu.endermite.commandwhitelist</groupId>
     <artifactId>CommandWhitelist</artifactId>
-    <version>1.0.3</version>
+    <version>2.4.0</version>
-    <packaging>jar</packaging>
+    <modules>
+        <module>CommandWhitelistCommon</module>
+        <module>CommandWhitelistBukkit</module>
+        <module>CommandWhitelistVelocity</module>
+        <module>CommandWhitelistWaterfall</module>
+    </modules>
+    <packaging>pom</packaging>
 
     <name>CommandWhitelist</name>
 
@@ -31,7 +37,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.2.2</version>
+                <version>3.2.4</version>
                 <executions>
                     <execution>
                         <phase>package</phase>
@@ -40,6 +46,7 @@
                         </goals>
                         <configuration>
                             <createDependencyReducedPom>false</createDependencyReducedPom>
+                            <finalName>${project.name}-${project.parent.version}</finalName>
                         </configuration>
                     </execution>
                 </executions>
@@ -54,10 +61,6 @@
     </build>
 
     <repositories>
-        <repository>
-            <id>spigotmc-repo</id>
-            <url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
-        </repository>
         <repository>
             <id>sonatype</id>
             <url>https://oss.sonatype.org/content/groups/public/</url>
@@ -66,10 +69,10 @@
 
     <dependencies>
         <dependency>
-            <groupId>org.spigotmc</groupId>
+            <groupId>net.kyori</groupId>
-            <artifactId>spigot-api</artifactId>
+            <artifactId>adventure-api</artifactId>
-            <version>1.16.1-R0.1-SNAPSHOT</version>
+            <version>4.10.1</version>
-            <scope>provided</scope>
+            <scope>compile</scope>
         </dependency>
     </dependencies>
 </project>

readme.md

@@ -0,0 +1,32 @@
+Command  Whitelist is a plugin that allows you to control 
+precisely what commands players can see and use.
+
+[![CodeFactor Grade](https://img.shields.io/codefactor/grade/github/youhavetrouble/commandwhitelist?style=flat-square)](https://www.codefactor.io/repository/github/youhavetrouble/commandwhitelist)
+[![GitHub all releases](https://img.shields.io/github/downloads/youhavetrouble/commandwhitelist/total?style=flat-square&label=direct%20release%20downloads)](https://github.com/YouHaveTrouble/CommandWhitelist/releases)
+[![Discord](https://img.shields.io/discord/821565102108573706?style=flat-square&color=%237289da&label=Discord)](https://discord.gg/j8KK5dGBps)
+[![Spiget Rating](https://img.shields.io/spiget/rating/81326?label=Spigot%20rating&style=flat-square)](https://www.spigotmc.org/resources/81326/)
+
+![bStats Servers](https://img.shields.io/bstats/servers/8705?label=Bukkit%20servers%20using%20CW&style=flat-square)
+![bStats Servers](https://img.shields.io/bstats/servers/8704?label=Proxy%20servers%20using%20CW&style=flat-square)
+
+<h3>Plugin Features</h3>
+<ul>
+<li>Lock selected commands behind permission
+<li>Overwrite default "no such command" message with your branding
+<li>Block tab completion</li>
+<li>Block command execution</li>
+<li>Block completion and execution of specified subcommands</li>
+</ul>
+
+<b>Compatible versions</b>: 1.13+
+
+<b>Compatible software</b>:
+- Bukkit-based servers (Spigot, Paper, Airplane, Purpur, etc)
+- Waterfall (NOT Bungeecord!)
+- Velocity
+
+[Download latest release](https://github.com/YouHaveTrouble/CommandWhitelist/releases/latest)
+
+Having some issues? Make sure to check out <a href="https://github.com/YouHaveTrouble/CommandWhitelist/wiki">Plugin Wiki</a>.
+
+Found a bug or you think plugin is missing an important feature? <a href="https://github.com/YouHaveTrouble/CommandWhitelist/issues">Create an issue</a>.

src/main/java/eu/endermite/commandwhitelist/CommandWhitelist.java

@@ -1,36 +0,0 @@
-package eu.endermite.commandwhitelist;
-
-import eu.endermite.commandwhitelist.config.ConfigCache;
-import eu.endermite.commandwhitelist.listeners.PlayerCommandPreProcess;
-import eu.endermite.commandwhitelist.listeners.PlayerCommandSend;
-import org.bukkit.plugin.java.JavaPlugin;
-
-public final class CommandWhitelist extends JavaPlugin {
-
-    private static CommandWhitelist commandWhitelist;
-    private static ConfigCache configCache;
-
-    @Override
-    public void onEnable() {
-
-        commandWhitelist = this;
-        reloadPluginConfig();
-
-        getServer().getPluginManager().registerEvents(new PlayerCommandPreProcess(), this);
-        getServer().getPluginManager().registerEvents(new PlayerCommandSend(), this);
-
-    }
-
-    @Override
-    public void onDisable() {
-        // Plugin shutdown logic
-    }
-
-    public void reloadPluginConfig() {
-        saveDefaultConfig();
-        configCache = new ConfigCache(this.getConfig());
-    }
-
-    public static CommandWhitelist getPlugin() {return commandWhitelist;}
-    public static ConfigCache getConfigCache() {return configCache;}
-}

src/main/java/eu/endermite/commandwhitelist/config/ConfigCache.java

@@ -1,35 +0,0 @@
-package eu.endermite.commandwhitelist.config;
-
-import eu.endermite.commandwhitelist.CommandWhitelist;
-import org.bukkit.configuration.file.FileConfiguration;
-
-import java.util.HashMap;
-import java.util.List;
-import java.util.Set;
-
-public class ConfigCache {
-
-    private final HashMap<String, List<String>> permList = new HashMap<>();
-    private final String prefix;
-    private final  String commandDenied;
-
-    public ConfigCache(FileConfiguration yamlConfiguration) {
-        Set<String> perms = yamlConfiguration.getConfigurationSection("commands").getKeys(false);
-        for (String s : perms) {
-            this.permList.put(s, CommandWhitelist.getPlugin().getConfig().getStringList("commands."+s));
-        }
-
-        this.prefix = CommandWhitelist.getPlugin().getConfig().getString("messages.prefix");
-        this.commandDenied = CommandWhitelist.getPlugin().getConfig().getString("messages.command-denied");
-    }
-
-    public HashMap<String, List<String>> getPermList() {
-        return permList;
-    }
-
-    public List<String> getPerm(String s) {
-        return permList.get(s);
-    }
-    public String getPrefix() {return prefix;}
-    public String getCommandDenied() {return commandDenied;}
-}

src/main/java/eu/endermite/commandwhitelist/listeners/PlayerCommandPreProcess.java

@@ -1,41 +0,0 @@
-package eu.endermite.commandwhitelist.listeners;
-
-import eu.endermite.commandwhitelist.CommandWhitelist;
-import org.bukkit.ChatColor;
-import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.EventPriority;
-import org.bukkit.event.Listener;
-
-import java.util.List;
-import java.util.Map;
-
-public class PlayerCommandPreProcess implements Listener {
-
-    @EventHandler(priority = EventPriority.HIGHEST)
-    public void PlayerCommandSendEvent(org.bukkit.event.player.PlayerCommandPreprocessEvent event) {
-        Player player = event.getPlayer();
-
-        if (player.hasPermission("commandwhitelist.bypass")) {
-            return;
-        }
-
-        String command = event.getMessage().toLowerCase();
-
-        for (Map.Entry<String, List<String>> s : CommandWhitelist.getConfigCache().getPermList().entrySet()) {
-            if (player.hasPermission("commandwhitelist.commands." + s.getKey())) {
-                for (String comm : s.getValue()) {
-                    comm = comm.toLowerCase();
-                    if (command.equalsIgnoreCase("/"+comm))
-                        return;
-                    else if (command.startsWith("/" + comm + " ")) {
-                        return;
-                    }
-                }
-            }
-        }
-        event.setCancelled(true);
-        player.sendMessage(ChatColor.translateAlternateColorCodes('&', CommandWhitelist.getConfigCache().getPrefix() + " " + CommandWhitelist.getConfigCache().getCommandDenied()));
-    }
-
-}

src/main/java/eu/endermite/commandwhitelist/listeners/PlayerCommandSend.java

@@ -1,32 +0,0 @@
-package eu.endermite.commandwhitelist.listeners;
-
-import eu.endermite.commandwhitelist.CommandWhitelist;
-import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.EventPriority;
-import org.bukkit.event.Listener;
-import java.util.*;
-
-public class PlayerCommandSend implements Listener {
-
-    @EventHandler(priority = EventPriority.HIGHEST)
-    public void PlayerCommandSendEvent(org.bukkit.event.player.PlayerCommandSendEvent event) {
-        Player player = event.getPlayer();
-
-        if (player.hasPermission("commandwhitelist.bypass:")) {
-            return;
-        }
-
-        List<String> commandList = new ArrayList<>();
-
-        for (Map.Entry<String, List<String>> s : CommandWhitelist.getConfigCache().getPermList().entrySet()) {
-                if (player.hasPermission("commandwhitelist.commands."+s.getKey())) {
-                    commandList.addAll(s.getValue());
-                }
-        }
-
-        event.getCommands().removeIf((cmd) -> !commandList.contains(cmd));
-
-    }
-
-}

src/main/resources/config.yml

@@ -1,28 +0,0 @@
-messages:
-  prefix: "CommandWhitelist >"
-  command-denied: "No such command."
-
-commands:
-  # Permissions that control what commands players can use
-  # you can add unlimited amount of whitelists
-
-  # commandwhitelist.commands.default
-  # this will be automatically given to players by default
-  default:
-    - ?
-    - help
-    - spawn
-    - bal
-    - balance
-    - baltop
-    - pay
-    - r
-    - msg
-    - tpa
-    - tpahere
-    - tpaccept
-    - tpdeny
-    - warp
-  # commandwhitelist.commands.example
-  example:
-    - example

src/main/resources/plugin.yml

@@ -1,11 +0,0 @@
-name: CommandWhitelist
-version: ${project.version}
-main: eu.endermite.commandwhitelist.CommandWhitelist
-api-version: 1.16
-authors: [YouHaveTrouble]
-description: Control what commands players can use
-permissions:
-  commandwhitelist.bypass:
-    default: OP
-  commandwhitelist.commands.default:
-    default: true