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Allow enabling sand duping (#10191)

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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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GPG key ID: B5690EEEBB952194
673 changed files with 157 additions and 189 deletions
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patches/server/0879-Add-event-for-player-editing-sign.patch Normal file
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@ -0,0 +1,93 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: by77er <by77er@gmail.com>
Date: Mon, 12 Jun 2023 12:56:46 -0400
Subject: [PATCH] Add event for player editing sign
diff --git a/src/main/java/net/minecraft/world/item/ItemStack.java b/src/main/java/net/minecraft/world/item/ItemStack.java
index 30cf71507c45432b2b5ac636aff852acf662ce60..5a86b2c205250ddcd833a15accb27ca4a580eadd 100644
--- a/src/main/java/net/minecraft/world/item/ItemStack.java
+++ b/src/main/java/net/minecraft/world/item/ItemStack.java
@@ -524,7 +524,7 @@ public final class ItemStack {
try {
if (world.getBlockEntity(SignItem.openSign) instanceof SignBlockEntity tileentitysign) {
if (world.getBlockState(SignItem.openSign).getBlock() instanceof SignBlock blocksign) {
- blocksign.openTextEdit(entityhuman, tileentitysign, true, org.bukkit.event.player.PlayerSignOpenEvent.Cause.PLACE); // Craftbukkit
+ blocksign.openTextEdit(entityhuman, tileentitysign, true, io.papermc.paper.event.player.PlayerOpenSignEvent.Cause.PLACE); // Paper - Add PlayerOpenSignEvent
}
}
} finally {
diff --git a/src/main/java/net/minecraft/world/level/block/SignBlock.java b/src/main/java/net/minecraft/world/level/block/SignBlock.java
index 57b79e7fa34755e68b06f5b3010e68745cabbb7e..27a1e8ffc43efe4e086e7fd88ee4d80c23f98674 100644
--- a/src/main/java/net/minecraft/world/level/block/SignBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/SignBlock.java
@@ -118,7 +118,7 @@ public abstract class SignBlock extends BaseEntityBlock implements SimpleWaterlo
} else if (flag2) {
return InteractionResult.SUCCESS;
} else if (!this.otherPlayerIsEditingSign(player, tileentitysign) && player.mayBuild() && this.hasEditableText(player, tileentitysign, flag1)) {
- this.openTextEdit(player, tileentitysign, flag1, org.bukkit.event.player.PlayerSignOpenEvent.Cause.INTERACT); // CraftBukkit
+ this.openTextEdit(player, tileentitysign, flag1, io.papermc.paper.event.player.PlayerOpenSignEvent.Cause.INTERACT); // Paper - Add PlayerOpenSignEvent
return this.getInteractionResult(flag);
} else {
return InteractionResult.PASS;
@@ -170,16 +170,33 @@ public abstract class SignBlock extends BaseEntityBlock implements SimpleWaterlo
return blockpropertywood;
}
+ @io.papermc.paper.annotation.DoNotUse @Deprecated // Paper - Add PlayerOpenSignEvent
public void openTextEdit(Player player, SignBlockEntity blockEntity, boolean front) {
- // Craftbukkit start
- this.openTextEdit(player, blockEntity, front, org.bukkit.event.player.PlayerSignOpenEvent.Cause.UNKNOWN);
- }
-
- public void openTextEdit(Player entityhuman, SignBlockEntity tileentitysign, boolean flag, org.bukkit.event.player.PlayerSignOpenEvent.Cause cause) {
- if (!org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerSignOpenEvent(entityhuman, tileentitysign, flag, cause)) {
+ // Paper start - Add PlayerOpenSignEvent
+ this.openTextEdit(player, blockEntity, front, io.papermc.paper.event.player.PlayerOpenSignEvent.Cause.UNKNOWN);
+ }
+ public void openTextEdit(Player entityhuman, SignBlockEntity tileentitysign, boolean flag, io.papermc.paper.event.player.PlayerOpenSignEvent.Cause cause) {
+ org.bukkit.entity.Player bukkitPlayer = (org.bukkit.entity.Player) entityhuman.getBukkitEntity();
+ org.bukkit.block.Block bukkitBlock = org.bukkit.craftbukkit.block.CraftBlock.at(tileentitysign.getLevel(), tileentitysign.getBlockPos());
+ org.bukkit.craftbukkit.block.CraftSign<?> bukkitSign = (org.bukkit.craftbukkit.block.CraftSign<?>) org.bukkit.craftbukkit.block.CraftBlockStates.getBlockState(bukkitBlock);
+ io.papermc.paper.event.player.PlayerOpenSignEvent event = new io.papermc.paper.event.player.PlayerOpenSignEvent(
+ bukkitPlayer,
+ bukkitSign,
+ flag ? org.bukkit.block.sign.Side.FRONT : org.bukkit.block.sign.Side.BACK,
+ cause);
+ if (!event.callEvent()) return;
+ if (org.bukkit.event.player.PlayerSignOpenEvent.getHandlerList().getRegisteredListeners().length > 0) {
+ final org.bukkit.event.player.PlayerSignOpenEvent.Cause legacyCause = switch (cause) {
+ case PLACE -> org.bukkit.event.player.PlayerSignOpenEvent.Cause.PLACE;
+ case PLUGIN -> org.bukkit.event.player.PlayerSignOpenEvent.Cause.PLUGIN;
+ case INTERACT -> org.bukkit.event.player.PlayerSignOpenEvent.Cause.INTERACT;
+ case UNKNOWN -> org.bukkit.event.player.PlayerSignOpenEvent.Cause.UNKNOWN;
+ };
+ if (!org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerSignOpenEvent(entityhuman, tileentitysign, flag, legacyCause)) {
+ // Paper end - Add PlayerOpenSignEvent
return;
}
- // Craftbukkit end
+ } // Paper - Add PlayerOpenSignEvent
tileentitysign.setAllowedPlayerEditor(entityhuman.getUUID());
entityhuman.openTextEdit(tileentitysign, flag);
}
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftSign.java b/src/main/java/org/bukkit/craftbukkit/block/CraftSign.java
index d1b335d7342aa85478daeb7801a999ccd4be7136..1d0ef05cc694c5519dc233d24fd002c0699cd2ab 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftSign.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftSign.java
@@ -162,9 +162,15 @@ public class CraftSign<T extends SignBlockEntity> extends CraftBlockEntityState<
Preconditions.checkArgument(sign.isPlaced(), "Sign must be placed");
Preconditions.checkArgument(sign.getWorld() == player.getWorld(), "Sign must be in same world as Player");
+ // Paper start - Add PlayerOpenSignEvent
+ io.papermc.paper.event.player.PlayerOpenSignEvent event = new io.papermc.paper.event.player.PlayerOpenSignEvent((Player) player, sign, side, io.papermc.paper.event.player.PlayerOpenSignEvent.Cause.PLUGIN);
+ if (!event.callEvent()) return;
+ if (PlayerSignOpenEvent.getHandlerList().getRegisteredListeners().length > 0) {
+ // Paper end - Add PlayerOpenSignEvent
if (!CraftEventFactory.callPlayerSignOpenEvent(player, sign, side, PlayerSignOpenEvent.Cause.PLUGIN)) {
return;
}
+ } // Paper - Add PlayerOpenSignEvent
SignBlockEntity handle = ((CraftSign<?>) sign).getTileEntity();
handle.setAllowedPlayerEditor(player.getUniqueId());