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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.
80 lines
3.4 KiB
Diff
80 lines
3.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Sat, 15 May 2021 22:11:11 -0700
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Subject: [PATCH] ItemStack repair check API
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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index 44b0acb82f10a35bc0c42fdb6fd685aadc76d789..6eca86a2ab7145f4c60abb90cd46b4098ad8fb56 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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@@ -551,6 +551,14 @@ public final class CraftMagicNumbers implements UnsafeValues {
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return io.papermc.paper.inventory.ItemRarity.values()[getItem(itemStack.getType()).getRarity(CraftItemStack.asNMSCopy(itemStack)).ordinal()];
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}
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+ @Override
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+ public boolean isValidRepairItemStack(org.bukkit.inventory.ItemStack itemToBeRepaired, org.bukkit.inventory.ItemStack repairMaterial) {
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+ if (!itemToBeRepaired.getType().isItem() || !repairMaterial.getType().isItem()) {
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+ return false;
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+ }
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+ return CraftMagicNumbers.getItem(itemToBeRepaired.getType()).isValidRepairItem(CraftItemStack.asNMSCopy(itemToBeRepaired), CraftItemStack.asNMSCopy(repairMaterial));
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+ }
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+
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@Override
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public int getProtocolVersion() {
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return net.minecraft.SharedConstants.getCurrentVersion().getProtocolVersion();
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diff --git a/src/test/java/io/papermc/paper/util/ItemStackRepairCheckTest.java b/src/test/java/io/papermc/paper/util/ItemStackRepairCheckTest.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..6b8d360ef86e181a680ad77f28b7dd7368dddfe7
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--- /dev/null
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+++ b/src/test/java/io/papermc/paper/util/ItemStackRepairCheckTest.java
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@@ -0,0 +1,48 @@
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+package io.papermc.paper.util;
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+
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+import org.bukkit.Material;
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+import org.bukkit.inventory.ItemStack;
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+import org.bukkit.support.AbstractTestingBase;
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+import org.junit.jupiter.api.Test;
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+
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+import static org.junit.jupiter.api.Assertions.assertFalse;
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+import static org.junit.jupiter.api.Assertions.assertThrows;
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+import static org.junit.jupiter.api.Assertions.assertTrue;
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+
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+public class ItemStackRepairCheckTest extends AbstractTestingBase {
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+
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+ @Test
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+ public void testIsRepariableBy() {
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+ ItemStack diamondPick = new ItemStack(Material.DIAMOND_PICKAXE);
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+
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+ assertTrue(diamondPick.isRepairableBy(new ItemStack(Material.DIAMOND)), "diamond pick isn't repairable by a diamond");
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+ }
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+
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+ @Test
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+ public void testCanRepair() {
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+ ItemStack diamond = new ItemStack(Material.DIAMOND);
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+
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+ assertTrue(diamond.canRepair(new ItemStack(Material.DIAMOND_AXE)), "diamond can't repair a diamond axe");
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+ }
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+
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+ @Test
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+ public void testIsNotRepairableBy() {
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+ ItemStack notDiamondPick = new ItemStack(Material.ACACIA_SAPLING);
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+
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+ assertFalse(notDiamondPick.isRepairableBy(new ItemStack(Material.DIAMOND)), "acacia sapling is repairable by a diamond");
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+ }
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+
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+ @Test
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+ public void testCanNotRepair() {
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+ ItemStack diamond = new ItemStack(Material.DIAMOND);
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+
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+ assertFalse(diamond.canRepair(new ItemStack(Material.OAK_BUTTON)), "diamond can repair oak button");
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+ }
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+
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+ @Test
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+ public void testInvalidItem() {
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+ ItemStack badItemStack = new ItemStack(Material.ACACIA_WALL_SIGN);
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+
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+ assertFalse(badItemStack.isRepairableBy(new ItemStack(Material.DIAMOND)), "acacia wall sign is repairable by diamond");
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+ }
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+}
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