From ca6d2cf9dc5b03193dfc77362d395cbe8b32eb4a Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Wed, 11 Jul 2018 09:06:48 +1000
Subject: Add validation checks to CraftPlayer.teleport

---
 src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 1866d521..4c44a198 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -487,6 +487,10 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
 
     @Override
     public boolean teleport(Location location, PlayerTeleportEvent.TeleportCause cause) {
+        Preconditions.checkArgument(location != null, "location");
+        Preconditions.checkArgument(location.getWorld() != null, "location.world");
+        location.checkFinite();
+
         EntityPlayer entity = getHandle();
 
         if (getHealth() == 0 || entity.dead) {
-- 
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