Allow enabling sand duping (#10191)

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.
This commit is contained in:
Owen 2024-03-03 17:05:34 -05:00 committed by GitHub
parent b21eb4d9a4
commit 89d51d5f29
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673 changed files with 157 additions and 189 deletions

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@ -0,0 +1,70 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Sat, 21 May 2022 20:59:45 -0700
Subject: [PATCH] Add BlockLockCheckEvent
diff --git a/src/main/java/net/minecraft/world/level/block/entity/BaseContainerBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BaseContainerBlockEntity.java
index fce3a45d09a93ca68a3d49f2e666afa4c860d042..b8b4d74076fa5ed6eb3b2045384db77e165931b2 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/BaseContainerBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/BaseContainerBlockEntity.java
@@ -69,17 +69,44 @@ public abstract class BaseContainerBlockEntity extends BlockEntity implements Co
protected abstract Component getDefaultName();
public boolean canOpen(Player player) {
- return BaseContainerBlockEntity.canUnlock(player, this.lockKey, this.getDisplayName());
+ return BaseContainerBlockEntity.canUnlock(player, this.lockKey, this.getDisplayName(), this); // Paper - Add BlockLockCheckEvent
}
+ @Deprecated @io.papermc.paper.annotation.DoNotUse // Paper - Add BlockLockCheckEvent
public static boolean canUnlock(Player player, LockCode lock, Component containerName) {
+ // Paper start - Add BlockLockCheckEvent
+ return canUnlock(player, lock, containerName, null);
+ }
+ public static boolean canUnlock(Player player, LockCode lock, Component containerName, @Nullable BlockEntity blockEntity) {
+ if (player instanceof net.minecraft.server.level.ServerPlayer serverPlayer && blockEntity != null && blockEntity.getLevel() != null && blockEntity.getLevel().getBlockEntity(blockEntity.getBlockPos()) == blockEntity) {
+ final org.bukkit.block.Block block = org.bukkit.craftbukkit.block.CraftBlock.at(blockEntity.getLevel(), blockEntity.getBlockPos());
+ net.kyori.adventure.text.Component lockedMessage = net.kyori.adventure.text.Component.translatable("container.isLocked", io.papermc.paper.adventure.PaperAdventure.asAdventure(containerName));
+ net.kyori.adventure.sound.Sound lockedSound = net.kyori.adventure.sound.Sound.sound(org.bukkit.Sound.BLOCK_CHEST_LOCKED, net.kyori.adventure.sound.Sound.Source.BLOCK, 1.0F, 1.0F);
+ final io.papermc.paper.event.block.BlockLockCheckEvent event = new io.papermc.paper.event.block.BlockLockCheckEvent(block, (io.papermc.paper.block.LockableTileState) block.getState(), serverPlayer.getBukkitEntity(), lockedMessage, lockedSound);
+ event.callEvent();
+ if (event.getResult() == org.bukkit.event.Event.Result.ALLOW) {
+ return true;
+ } else if (event.getResult() == org.bukkit.event.Event.Result.DENY || (!player.isSpectator() && !lock.unlocksWith(event.isUsingCustomKeyItemStack() ? org.bukkit.craftbukkit.inventory.CraftItemStack.asNMSCopy(event.getKeyItem()) : player.getMainHandItem()))) {
+ if (event.getLockedMessage() != null) {
+ event.getPlayer().sendActionBar(event.getLockedMessage());
+ }
+ if (event.getLockedSound() != null) {
+ event.getPlayer().playSound(event.getLockedSound());
+ }
+ return false;
+ } else {
+ return true;
+ }
+ } else { // logic below is replaced by logic above
+ // Paper end - Add BlockLockCheckEvent
if (!player.isSpectator() && !lock.unlocksWith(player.getMainHandItem())) {
- player.displayClientMessage(Component.translatable("container.isLocked", containerName), true);
+ player.displayClientMessage(Component.translatable("container.isLocked", containerName), true); // Paper - diff on change
player.playNotifySound(SoundEvents.CHEST_LOCKED, SoundSource.BLOCKS, 1.0F, 1.0F);
return false;
} else {
return true;
}
+ } // Paper - Add BlockLockCheckEvent
}
@Nullable
diff --git a/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
index 247f24c7fadc203ee0f6a6f85122c91ab4c82f80..eff48e43a35a752bd33de2b55a0ad04332109ce0 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
@@ -470,7 +470,7 @@ public class BeaconBlockEntity extends BlockEntity implements MenuProvider, Name
@Nullable
@Override
public AbstractContainerMenu createMenu(int syncId, Inventory playerInventory, Player player) {
- return BaseContainerBlockEntity.canUnlock(player, this.lockKey, this.getDisplayName()) ? new BeaconMenu(syncId, playerInventory, this.dataAccess, ContainerLevelAccess.create(this.level, this.getBlockPos())) : null;
+ return BaseContainerBlockEntity.canUnlock(player, this.lockKey, this.getDisplayName(), this) ? new BeaconMenu(syncId, playerInventory, this.dataAccess, ContainerLevelAccess.create(this.level, this.getBlockPos())) : null; // Paper - Add BlockLockCheckEvent
}
@Override