From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Luna <lunahatesgogle@gmail.com>
Date: Tue, 13 Jun 2023 18:29:18 -0300
Subject: [PATCH] Improve validation of ResourceLocations


diff --git a/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
index 430810b9cc554dfb3bb0972c103c8a36e8db67ef..b2832c75beab2a1fa077b0317392b6aa46134ce6 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
@@ -300,7 +300,12 @@ public abstract class AbstractFurnaceBlockEntity extends BaseContainerBlockEntit
         while (iterator.hasNext()) {
             String s = (String) iterator.next();
 
-            this.recipesUsed.put(new ResourceLocation(s), nbttagcompound1.getInt(s));
+            // Scissors start
+            final ResourceLocation rl = ResourceLocation.tryParse(s);
+            if (rl != null) {
+                this.recipesUsed.put(rl, nbttagcompound1.getInt(s));
+            }
+            // Scissors end
         }
 
         // Paper start - cook speed API
diff --git a/src/main/java/net/minecraft/world/level/block/entity/BrushableBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BrushableBlockEntity.java
index 7a3ac883be4015d41a4c7582341a424b4bd6bbf4..6a6d34831a3c9a1a0fd47dbfd3a497c0b7923ce5 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/BrushableBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/BrushableBlockEntity.java
@@ -199,7 +199,7 @@ public class BrushableBlockEntity extends BlockEntity {
 
     private boolean tryLoadLootTable(CompoundTag nbt) {
         if (nbt.contains("LootTable", 8)) {
-            this.lootTable = new ResourceLocation(nbt.getString("LootTable"));
+            this.lootTable = ResourceLocation.tryParse(nbt.getString("LootTable")); // Scissors
             this.lootTableSeed = nbt.getLong("LootTableSeed");
             return true;
         } else {
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftNamespacedKey.java b/src/main/java/org/bukkit/craftbukkit/util/CraftNamespacedKey.java
index 5014192edb9616ce725fc1592832034789527b6f..64da1b0afd51720803aba0d9e86d0b1743bdb0da 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftNamespacedKey.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftNamespacedKey.java
@@ -21,6 +21,7 @@ public final class CraftNamespacedKey {
     }
 
     public static NamespacedKey fromMinecraft(ResourceLocation minecraft) {
+        if (minecraft == null) throw new IllegalArgumentException("Null ResourceLocation provided"); // Scissors
         return new NamespacedKey(minecraft.getNamespace(), minecraft.getPath());
     }