Add even better fabric check

src/de/steamwar/bungeecore/listeners/NonFabricFabricCheck.java

@@ -22,8 +22,6 @@ package de.steamwar.bungeecore.listeners;
 import de.steamwar.bungeecore.BungeeCore;
 import de.steamwar.bungeecore.Message;
 import de.steamwar.bungeecore.Storage;
-import de.steamwar.bungeecore.sql.SWException;
-import de.steamwar.bungeecore.sql.SteamwarUser;
 import net.md_5.bungee.BungeeCord;
 import net.md_5.bungee.api.connection.Connection;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
@@ -43,6 +41,7 @@ public class NonFabricFabricCheck extends BasicListener {
     private final Set<UUID> usingFabric = new HashSet<>();
 
     private final Set<ProxiedPlayer> checking = new HashSet<>();
+    private final Set<ProxiedPlayer> vanilla = new HashSet<>();
 
     {
         BungeeCord.getInstance().getScheduler().schedule(BungeeCore.get(), usingFabric::clear, 0, 15, TimeUnit.MINUTES);
@@ -54,14 +53,23 @@ public class NonFabricFabricCheck extends BasicListener {
         if(!(sender instanceof ProxiedPlayer))
             return;
 
-        if(!e.getTag().equals("minecraft:brand"))
-            return;
-
-        if(!new String(e.getData()).equals("vanilla")){
+        ProxiedPlayer p = (ProxiedPlayer) sender;
+        if (e.getTag().equals("minecraft:register") && new String(e.getData()).contains("fabric")) {
+            BungeeCord.getInstance().getScheduler().schedule(BungeeCore.get(), () -> {
+                if (!sender.isConnected()) return;
+                if (!vanilla.remove(p)) return;
+                if (Storage.fabricCheckedPlayers.containsKey(p)) return;
+                p.disconnect(Message.parse("MOD_USE_MODSENDER", p));
+            }, 5, TimeUnit.SECONDS);
             return;
         }
 
-        ProxiedPlayer p = (ProxiedPlayer) sender;
+        if(!e.getTag().equals("minecraft:brand"))
+            return;
+
+        if(!new String(e.getData()).equals("vanilla"))
+            return;
+        vanilla.add(p);
 
         BungeeCord.getInstance().getScheduler().schedule(BungeeCore.get(), () -> {
             if (!p.isConnected()) return;
@@ -82,12 +90,8 @@ public class NonFabricFabricCheck extends BasicListener {
     @EventHandler
     public void onPlayerDisconnect(PlayerDisconnectEvent e) {
         if (checking.remove(e.getPlayer())) {
-            logMessage(SteamwarUser.get(e.getPlayer().getUniqueId()), "Player is potentially using rebranded Fabric");
             usingFabric.add(e.getPlayer().getUniqueId());
         }
-    }
-
-    public void logMessage(SteamwarUser user, String reason) {
-        SWException.log("Bungee", "NonFabricFabricCheck " + user.getUserName() + ": " + reason, "");
+        vanilla.remove(e.getPlayer());
     }
 }