Prevents teleportation of a leashed creature with a passenger

README.md

@@ -391,11 +391,13 @@ portalInfoServer=Server: %server%
 
 #### \[Version 0.9.2.2] EpicKnarvik97 fork
 
-- Prevents teleportation of a player holding creatures on a leash when handleLeashedCreatures is disabled to prevent
+- Prevents teleportation of a player holding creatures on a leash when handleLeashedCreatures is disabled, to prevent
   players accidentally losing the creatures during teleportation
 - Fixes a potential exception when a gate's open-block or closed-block is set to a material which isn't a block
 - Fixes a potential exception when a portal without a sign has an invalid gate type
 - Prevents loading of gate files using non-blocks as part of the border
+- Prevents a player smuggling another player through a restricted stargate by sitting on a creature held in a lead by
+  the first player
 
 #### \[Version 0.9.2.1] EpicKnarvik97 fork
 

src/main/java/net/knarcraft/stargate/portal/teleporter/Teleporter.java

@@ -257,15 +257,22 @@ public abstract class Teleporter {
      * @return <p>False if the player has leashed any creatures that cannot go through the portal</p>
      */
     public static boolean noLeashedCreaturesPreventTeleportation(Player player) {
+        //Find any nearby leashed entities to teleport with the player
+        List<Creature> nearbyCreatures = getLeashedCreatures(player);
+
+        //Disallow creatures with passengers to prevent smuggling
+        for (Creature creature : nearbyCreatures) {
+            if (!creature.getPassengers().isEmpty()) {
+                return false;
+            }
+        }
+
         //If it's enabled, there is no problem
         if (Stargate.getGateConfig().handleLeashedCreatures()) {
             return true;
+        } else {
+            return nearbyCreatures.isEmpty();
         }
-
-        //Find any nearby leashed entities to teleport with the player
-        List<Creature> nearbyEntities = getLeashedCreatures(player);
-
-        return nearbyEntities.isEmpty();
     }
 
     /**