mirror of
https://github.com/PaperMC/Paper.git
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89d51d5f29
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable. It should be noted that this decision does not promise all future exploits will be configurable.
125 lines
8.3 KiB
Diff
125 lines
8.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Nassim Jahnke <nassim@njahnke.dev>
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Date: Sat, 6 Jan 2024 14:31:00 +0100
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Subject: [PATCH] Fixup NamespacedKey handling
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diff --git a/src/main/java/com/destroystokyo/paper/loottable/PaperContainerEntityLootableInventory.java b/src/main/java/com/destroystokyo/paper/loottable/PaperContainerEntityLootableInventory.java
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index 9ca389ca789dc54bba3542cac0aac2e1dc66c870..15173e715fa36546820d930a46e0f0c493d07cfc 100644
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--- a/src/main/java/com/destroystokyo/paper/loottable/PaperContainerEntityLootableInventory.java
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+++ b/src/main/java/com/destroystokyo/paper/loottable/PaperContainerEntityLootableInventory.java
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@@ -17,7 +17,7 @@ public class PaperContainerEntityLootableInventory implements PaperLootableEntit
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@Override
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public org.bukkit.loot.LootTable getLootTable() {
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- return entity.getLootTable() != null ? Bukkit.getLootTable(CraftNamespacedKey.fromMinecraft(entity.getLootTable())) : null;
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+ return entity.getLootTable() != null && !entity.getLootTable().getPath().isEmpty() ? Bukkit.getLootTable(CraftNamespacedKey.fromMinecraft(entity.getLootTable())) : null;
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}
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@Override
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diff --git a/src/main/java/com/destroystokyo/paper/loottable/PaperTileEntityLootableInventory.java b/src/main/java/com/destroystokyo/paper/loottable/PaperTileEntityLootableInventory.java
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index 9cfa5d36a6991067a3866e0d437749fafcc0158e..2ee4ee14ab3345486dad6b24fd9a4fcc6c746b99 100644
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--- a/src/main/java/com/destroystokyo/paper/loottable/PaperTileEntityLootableInventory.java
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+++ b/src/main/java/com/destroystokyo/paper/loottable/PaperTileEntityLootableInventory.java
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@@ -15,7 +15,7 @@ public class PaperTileEntityLootableInventory implements PaperLootableBlockInven
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@Override
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public org.bukkit.loot.LootTable getLootTable() {
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- return tileEntityLootable.lootTable != null ? Bukkit.getLootTable(CraftNamespacedKey.fromMinecraft(tileEntityLootable.lootTable)) : null;
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+ return tileEntityLootable.lootTable != null && !tileEntityLootable.lootTable.getPath().isEmpty() ? Bukkit.getLootTable(CraftNamespacedKey.fromMinecraft(tileEntityLootable.lootTable)) : null;
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}
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@Override
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diff --git a/src/main/java/org/bukkit/craftbukkit/attribute/CraftAttribute.java b/src/main/java/org/bukkit/craftbukkit/attribute/CraftAttribute.java
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index 8c9ce07f6a9c2799ce4d8b6a7d8eccd37cce6d43..f9e8c1f8416c4e5ae11e1d742cf3655faa480ce9 100644
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--- a/src/main/java/org/bukkit/craftbukkit/attribute/CraftAttribute.java
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+++ b/src/main/java/org/bukkit/craftbukkit/attribute/CraftAttribute.java
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@@ -24,7 +24,10 @@ public class CraftAttribute {
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public static Attribute stringToBukkit(String bukkit) {
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Preconditions.checkArgument(bukkit != null);
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- return Registry.ATTRIBUTE.get(NamespacedKey.fromString(bukkit));
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+ // Paper start - Fixup NamespacedKey handling
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+ final NamespacedKey key = NamespacedKey.fromString(bukkit);
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+ return key != null ? Registry.ATTRIBUTE.get(key) : null;
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+ // Paper end - Fixup NamespacedKey handling
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}
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public static net.minecraft.world.entity.ai.attributes.Attribute bukkitToMinecraft(Attribute bukkit) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaArmor.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaArmor.java
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index 24b87a1566b48be1367970a9ba887a6b3a785bb9..9f2626c8c5cb8e713f7263b73d6a31d39f024f31 100644
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--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaArmor.java
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+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaArmor.java
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@@ -67,14 +67,22 @@ public class CraftMetaArmor extends CraftMetaItem implements ArmorMeta {
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if (tag.contains(CraftMetaArmor.TRIM.NBT)) {
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CompoundTag trimCompound = tag.getCompound(CraftMetaArmor.TRIM.NBT);
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- if (trimCompound.contains(CraftMetaArmor.TRIM_MATERIAL.NBT) && trimCompound.contains(CraftMetaArmor.TRIM_PATTERN.NBT)) {
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- TrimMaterial trimMaterial = Registry.TRIM_MATERIAL.get(NamespacedKey.fromString(trimCompound.getString(CraftMetaArmor.TRIM_MATERIAL.NBT)));
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- TrimPattern trimPattern = Registry.TRIM_PATTERN.get(NamespacedKey.fromString(trimCompound.getString(CraftMetaArmor.TRIM_PATTERN.NBT)));
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+ // Paper start - Fixup NamedspacedKey handling
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+ if (trimCompound.contains(CraftMetaArmor.TRIM_MATERIAL.NBT, net.minecraft.nbt.Tag.TAG_STRING) && trimCompound.contains(CraftMetaArmor.TRIM_PATTERN.NBT, net.minecraft.nbt.Tag.TAG_STRING)) { // TODO Can also be inlined in a compound tag
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+ TrimMaterial trimMaterial = registryEntry(Registry.TRIM_MATERIAL, trimCompound.getString(TRIM_MATERIAL.NBT));
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+ TrimPattern trimPattern = registryEntry(Registry.TRIM_PATTERN, trimCompound.getString(TRIM_PATTERN.NBT));
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- this.trim = new ArmorTrim(trimMaterial, trimPattern);
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+ this.trim = trimMaterial != null && trimPattern != null ? new ArmorTrim(trimMaterial, trimPattern) : null;
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+ // Paper end - Fixup NamedspacedKey handling
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}
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}
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}
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+ // Paper start - Fixup NamedspacedKey handling
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+ private <T extends org.bukkit.Keyed> T registryEntry(final Registry<T> registry, final String value) {
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+ final NamespacedKey key = NamespacedKey.fromString(value);
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+ return key != null ? registry.get(key) : null;
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+ }
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+ // Paper end - Fixup NamedspacedKey handling
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CraftMetaArmor(Map<String, Object> map) {
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super(map);
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diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaMusicInstrument.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaMusicInstrument.java
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index fad6295e75179edfc4e88d15c21b0b09f9156692..63e3c5c3f5aff273498d25db0fc9feb76ab27c2f 100644
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--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaMusicInstrument.java
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+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaMusicInstrument.java
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@@ -30,7 +30,10 @@ public class CraftMetaMusicInstrument extends CraftMetaItem implements MusicInst
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if (tag.contains(CraftMetaMusicInstrument.GOAT_HORN_INSTRUMENT.NBT)) {
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String string = tag.getString(CraftMetaMusicInstrument.GOAT_HORN_INSTRUMENT.NBT);
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- this.instrument = Registry.INSTRUMENT.get(NamespacedKey.fromString(string));
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+ // Paper start - Fixup NamespacedKey handling
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+ final NamespacedKey key = NamespacedKey.fromString(string);
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+ this.instrument = key != null ? Registry.INSTRUMENT.get(key) : null;
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+ // Paper end - Fixup NamespacedKey handling
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}
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/potion/CraftPotionType.java b/src/main/java/org/bukkit/craftbukkit/potion/CraftPotionType.java
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index 1ce2cf121c0768d06cbd4f9238286b02e139768b..afeb1f634a8d9e46136d8b425453e6c745132fbe 100644
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--- a/src/main/java/org/bukkit/craftbukkit/potion/CraftPotionType.java
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+++ b/src/main/java/org/bukkit/craftbukkit/potion/CraftPotionType.java
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@@ -43,7 +43,10 @@ public class CraftPotionType implements PotionType.InternalPotionData {
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public static PotionType stringToBukkit(String string) {
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Preconditions.checkArgument(string != null);
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- return Registry.POTION.get(NamespacedKey.fromString(string));
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+ // Paper start - Fixup NamespacedKey handling
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+ final NamespacedKey key = NamespacedKey.fromString(string);
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+ return key != null ? Registry.POTION.get(key) : null;
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+ // Paper end - Fixup NamespacedKey handling
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}
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private final NamespacedKey key;
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftNamespacedKey.java b/src/main/java/org/bukkit/craftbukkit/util/CraftNamespacedKey.java
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index 5f40d240b879e3989897b6e45725a8e5a6a7f194..5014192edb9616ce725fc1592832034789527b6f 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/CraftNamespacedKey.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftNamespacedKey.java
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@@ -13,7 +13,7 @@ public final class CraftNamespacedKey {
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return null;
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}
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ResourceLocation minecraft = ResourceLocation.tryParse(string);
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- return (minecraft == null) ? null : CraftNamespacedKey.fromMinecraft(minecraft);
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+ return (minecraft == null || minecraft.getPath().isEmpty()) ? null : CraftNamespacedKey.fromMinecraft(minecraft); // Paper - Bukkit's parser does not match Vanilla for empty paths
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}
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public static NamespacedKey fromString(String string) {
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