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PlayerBookTooLargeEvent

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William Blake Galbreath
2025-01-10 00:58:27 -08:00
committed by granny
parent 5110e3635e
commit 54eca0d36a
5 changed files with 88 additions and 110 deletions
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77
patches/api/0020-PlayerBookTooLargeEvent.patch
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@@ -1,77 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Wed, 23 Dec 2020 00:43:27 -0600
Subject: [PATCH] PlayerBookTooLargeEvent
diff --git a/src/main/java/org/purpurmc/purpur/event/player/PlayerBookTooLargeEvent.java b/src/main/java/org/purpurmc/purpur/event/player/PlayerBookTooLargeEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..31cce9f4e398135016114b96254376325a22ba7c
--- /dev/null
+++ b/src/main/java/org/purpurmc/purpur/event/player/PlayerBookTooLargeEvent.java
@@ -0,0 +1,65 @@
+package org.purpurmc.purpur.event.player;
+
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.player.PlayerEvent;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Called when a player tries to bypass book limitations
+ */
+@NullMarked
+public class PlayerBookTooLargeEvent extends PlayerEvent {
+ private static final HandlerList handlers = new HandlerList();
+ private final ItemStack book;
+ private boolean kickPlayer = true;
+
+ /**
+ * @param player The player
+ * @param book The book
+ */
+ @ApiStatus.Internal
+ public PlayerBookTooLargeEvent(Player player, ItemStack book) {
+ super(player, !Bukkit.isPrimaryThread());
+ this.book = book;
+ }
+
+ /**
+ * Get the book containing the wanted edits
+ *
+ * @return The book
+ */
+ public ItemStack getBook() {
+ return book;
+ }
+
+ /**
+ * Whether server should kick the player or not
+ *
+ * @return True to kick player
+ */
+ public boolean shouldKickPlayer() {
+ return kickPlayer;
+ }
+
+ /**
+ * Whether server should kick the player or not
+ *
+ * @param kickPlayer True to kick player
+ */
+ public void setShouldKickPlayer(boolean kickPlayer) {
+ this.kickPlayer = kickPlayer;
+ }
+
+ @Override
+ public HandlerList getHandlers() {
+ return handlers;
+ }
+
+ public static HandlerList getHandlerList() {
+ return handlers;
+ }
+}

31
patches/server/0114-PlayerBookTooLargeEvent.patch
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@@ -1,31 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Wed, 23 Dec 2020 00:43:59 -0600
Subject: [PATCH] PlayerBookTooLargeEvent
diff --git a/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 6b460227a12ba275c02243a1fbafb87e3845cb14..2e714a4faf07e7ca18fa073ff6660c5d4f377507 100644
--- a/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -1256,6 +1256,10 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
final int maxBookPageSize = pageMax.intValue();
final double multiplier = Math.clamp(io.papermc.paper.configuration.GlobalConfiguration.get().itemValidation.bookSize.totalMultiplier, 0.3D, 1D);
long byteAllowed = maxBookPageSize;
+ // Purpur start
+ int slot = packet.slot();
+ ItemStack itemstack = Inventory.isHotbarSlot(slot) || slot == Inventory.SLOT_OFFHAND ? this.player.getInventory().getItem(slot) : ItemStack.EMPTY;
+ // Purpur end
for (final String page : pageList) {
final int byteLength = page.getBytes(java.nio.charset.StandardCharsets.UTF_8).length;
byteTotal += byteLength;
@@ -1280,7 +1284,8 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
}
if (byteTotal > byteAllowed) {
- ServerGamePacketListenerImpl.LOGGER.warn("{} tried to send a book too large. Book size: {} - Allowed: {} - Pages: {}", this.player.getScoreboardName(), byteTotal, byteAllowed, pageList.size());
+ ServerGamePacketListenerImpl.LOGGER.warn("{} tried to send too large of a book. Book size: {} - Allowed: {} - Pages: {}", this.player.getScoreboardName(), byteTotal, byteAllowed, pageList.size());
+ org.purpurmc.purpur.event.player.PlayerBookTooLargeEvent event = new org.purpurmc.purpur.event.player.PlayerBookTooLargeEvent(player.getBukkitEntity(), itemstack.asBukkitCopy()); if (event.shouldKickPlayer()) // Purpur
this.disconnectAsync(Component.literal("Book too large!"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION); // Paper - kick event cause // Paper - add proper async disconnect
return;
}

65
purpur-api/src/main/java/org/purpurmc/purpur/event/player/PlayerBookTooLargeEvent.java Normal file
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@@ -0,0 +1,65 @@
package org.purpurmc.purpur.event.player;
import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.event.HandlerList;
import org.bukkit.event.player.PlayerEvent;
import org.bukkit.inventory.ItemStack;
import org.jetbrains.annotations.ApiStatus;
import org.jspecify.annotations.NullMarked;
/**
* Called when a player tries to bypass book limitations
*/
@NullMarked
public class PlayerBookTooLargeEvent extends PlayerEvent {
private static final HandlerList handlers = new HandlerList();
private final ItemStack book;
private boolean kickPlayer = true;
/**
* @param player The player
* @param book The book
*/
@ApiStatus.Internal
public PlayerBookTooLargeEvent(Player player, ItemStack book) {
super(player, !Bukkit.isPrimaryThread());
this.book = book;
}
/**
* Get the book containing the wanted edits
*
* @return The book
*/
public ItemStack getBook() {
return book;
}
/**
* Whether server should kick the player or not
*
* @return True to kick player
*/
public boolean shouldKickPlayer() {
return kickPlayer;
}
/**
* Whether server should kick the player or not
*
* @param kickPlayer True to kick player
*/
public void setShouldKickPlayer(boolean kickPlayer) {
this.kickPlayer = kickPlayer;
}
@Override
public HandlerList getHandlers() {
return handlers;
}
public static HandlerList getHandlerList() {
return handlers;
}
}

4
purpur-server/minecraft-patches/features/0001-Ridables.patch
View File

@@ -62,10 +62,10 @@ index 5b50bc97ccab73dcafa29e3a8c5d04b3c4e8c1d4..c03639557e498f44a53fbf223928f68e
private void updatePlayerAttributes() {
diff --git a/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index db9860c44faacdf4b24979c2ffa84515e3883299..1fc37692c7ddfc7b7e0961cd9f0602339f18a2df 100644
index 0c184da09628c0f2fd21e4cacd3ab6ae74f11e64..e569a1e0c282e43410ad321790114acc05bb2ad0 100644
--- a/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2795,6 +2795,8 @@ public class ServerGamePacketListenerImpl
@@ -2800,6 +2800,8 @@ public class ServerGamePacketListenerImpl
ServerGamePacketListenerImpl.this.cserver.getPluginManager().callEvent(event);

21
purpur-server/minecraft-patches/sources/net/minecraft/server/network/ServerGamePacketListenerImpl.java.patch
View File

@@ -43,6 +43,27 @@
Location oldTo = to.clone();
PlayerMoveEvent event = new PlayerMoveEvent(player, from, to);
this.cserver.getPluginManager().callEvent(event);
@@ -1169,6 +_,10 @@
final int maxBookPageSize = pageMax.intValue();
final double multiplier = Math.clamp(io.papermc.paper.configuration.GlobalConfiguration.get().itemValidation.bookSize.totalMultiplier, 0.3D, 1D);
long byteAllowed = maxBookPageSize;
+ // Purpur start - PlayerBookTooLargeEvent
+ int slot = packet.slot();
+ ItemStack itemstack = Inventory.isHotbarSlot(slot) || slot == Inventory.SLOT_OFFHAND ? this.player.getInventory().getItem(slot) : ItemStack.EMPTY;
+ // Purpur end - PlayerBookTooLargeEvent
for (final String page : pageList) {
final int byteLength = page.getBytes(java.nio.charset.StandardCharsets.UTF_8).length;
byteTotal += byteLength;
@@ -1193,7 +_,8 @@
}
if (byteTotal > byteAllowed) {
- ServerGamePacketListenerImpl.LOGGER.warn("{} tried to send a book too large. Book size: {} - Allowed: {} - Pages: {}", this.player.getScoreboardName(), byteTotal, byteAllowed, pageList.size());
+ ServerGamePacketListenerImpl.LOGGER.warn("{} tried to send too large of a book. Book size: {} - Allowed: {} - Pages: {}", this.player.getScoreboardName(), byteTotal, byteAllowed, pageList.size());
+ org.purpurmc.purpur.event.player.PlayerBookTooLargeEvent event = new org.purpurmc.purpur.event.player.PlayerBookTooLargeEvent(player.getBukkitEntity(), itemstack.asBukkitCopy()); if (event.shouldKickPlayer()) // Purpur - PlayerBookTooLargeEvent
this.disconnectAsync(Component.literal("Book too large!"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION); // Paper - kick event cause // Paper - add proper async disconnect
return;
}
@@ -1212,31 +_,45 @@
Optional<String> optional = packet.title();
optional.ifPresent(list::add);