guess what, legacy issues again.

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>eu.endermite</groupId>
     <artifactId>CommandWhitelist</artifactId>
-    <version>1.7.2</version>
+    <version>1.7.5</version>
     <packaging>jar</packaging>
 
     <name>CommandWhitelist</name>

readme.md

@@ -1,6 +1,9 @@
 Command  Whitelist is a plugin that allows you to control 
 precisely what commands players can see and use.
 
+<img src="https://img.shields.io/bstats/servers/8705?label=Spigot%20servers%20using%20CommandWhitelist&style=for-the-badge">
+<img src="https://img.shields.io/bstats/servers/8704?label=Proxy%20servers%20using%20CommandWhitelist&style=for-the-badge">
+
 <h3>Plugin Features</h3>
 
 <ul>

src/main/java/eu/endermite/commandwhitelist/api/CommandsList.java

@@ -63,4 +63,11 @@ public class CommandsList {
         return last;
     }
 
+    public static String getCommandLabel(String cmd) {
+        String[] parts = cmd.split(" ");
+        if (parts[0].startsWith("/"))
+            parts[0] = parts[0].substring(1);
+        return parts[0];
+    }
+
 }

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

@@ -28,9 +28,10 @@ public class CommandWhitelist extends JavaPlugin {
 
         Plugin protocollib = getServer().getPluginManager().getPlugin("ProtocolLib");
 
+        getServer().getPluginManager().registerEvents(new PlayerCommandPreProcessListener(), this);
         if (!isLegacy) {
             if (!getConfigCache().isUseProtocolLib() || protocollib == null || !protocollib.isEnabled()) {
-                getServer().getPluginManager().registerEvents(new PlayerCommandPreProcessListener(), this);
+
                 getServer().getPluginManager().registerEvents(new PlayerCommandSendListener(), this);
             } else {
                 PacketCommandSendListener.protocol(this);

src/main/java/eu/endermite/commandwhitelist/spigot/listeners/LegacyPlayerTabChatCompleteListener.java

@@ -19,6 +19,7 @@ public class LegacyPlayerTabChatCompleteListener {
     public static void protocol(CommandWhitelist plugin) {
         ProtocolManager protocolManager = ProtocolLibrary.getProtocolManager();
         tabCompleteServerBound(protocolManager, plugin);
+        tabCompleteClientBound(protocolManager, plugin);
     }
 
     public static void tabCompleteServerBound(ProtocolManager protocolManager, Plugin plugin) {
@@ -52,4 +53,33 @@ public class LegacyPlayerTabChatCompleteListener {
             }
         });
     }
+
+    public static void tabCompleteClientBound(ProtocolManager protocolManager, Plugin plugin) {
+        protocolManager.addPacketListener(new PacketAdapter(plugin, ListenerPriority.HIGHEST, PacketType.Play.Client.TAB_COMPLETE) {
+            @Override
+            public void onPacketReceiving(PacketEvent event) {
+                try {
+                    Player player = event.getPlayer();
+                    if (player.hasPermission("commandwhitelist.bypass")) {
+                        return;
+                    }
+                    PacketContainer packet = event.getPacket();
+                    String command = packet.getSpecificModifier(String.class).read(0);
+                    String label = CommandsList.getCommandLabel(command);
+                    List<String> commandList = CommandsList.getCommands(player);
+                    if (command.equals("/"))
+                        return;
+                    for (String cmd : commandList) {
+                        if (cmd.startsWith("/"+label+" "))
+                            return;
+                    }
+                    event.setCancelled(true);
+
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+
+            }
+        });
+    }
 }

src/main/java/eu/endermite/commandwhitelist/spigot/listeners/PlayerCommandPreProcessListener.java

@@ -19,16 +19,18 @@ public class PlayerCommandPreProcessListener implements Listener {
         if (player.hasPermission("commandwhitelist.bypass"))
             return;
         String command = event.getMessage().toLowerCase();
+        if (command.startsWith("/"))
+            command = command.substring(1);
         for (Map.Entry<String, List<String>> s : CommandWhitelist.getConfigCache().getPermList().entrySet()) {
             if (!player.hasPermission("commandwhitelist.commands." + s.getKey()))
                 continue;
             for (String comm : s.getValue()) {
                 comm = comm.toLowerCase();
-                if (command.equalsIgnoreCase("/" + comm) || command.startsWith("/" + comm + " ")) {
+                if (command.equalsIgnoreCase(comm) || command.startsWith(comm + " ")) {
                     String rawCmd = event.getMessage();
                     List<String> bannedSubCommands = CommandsList.getSuggestions(player);
                     for (String bannedSubCommand : bannedSubCommands) {
-                        if (rawCmd.startsWith("/"+bannedSubCommand)) {
+                        if (rawCmd.startsWith(bannedSubCommand)) {
                             event.setCancelled(true);
                             ConfigCache config = CommandWhitelist.getConfigCache();
                             player.sendMessage(ChatColor.translateAlternateColorCodes('&', config.getPrefix() + RandomStuff.getMessage(config.getCommandDeniedList(), config.getSubCommandDenied())));