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"It was from a different time before books were as jank as they are now. As time has gone on they've only proven to be worse and worse."
60 lines
3.7 KiB
Diff
60 lines
3.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Shane Freeder <theboyetronic@gmail.com>
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Date: Sat, 12 Dec 2020 23:45:28 +0000
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Subject: [PATCH] Limit recipe packets
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diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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index 7d50aded88f5b7dfebaea1aebc86231f7b5c4e25..652d87fc5d566dba8018c81676329f0e0bca471b 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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@@ -334,6 +334,13 @@ public class PaperConfig {
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tabSpamLimit = getInt("settings.spam-limiter.tab-spam-limit", tabSpamLimit);
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}
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+ public static int autoRecipeIncrement = 1;
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+ public static int autoRecipeLimit = 20;
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+ private static void autoRecipieLimiters() {
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+ autoRecipeIncrement = getInt("settings.spam-limiter.recipe-spam-increment", autoRecipeIncrement);
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+ autoRecipeLimit = getInt("settings.spam-limiter.recipe-spam-limit", autoRecipeLimit);
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+ }
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+
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public static boolean velocitySupport;
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public static boolean velocityOnlineMode;
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public static byte[] velocitySecretKey;
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index 1b6610cc04f6bcb6d3153886e62ce117c6a17e15..6d88ec99a634d58ba51a87db9e25d746ec746862 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -232,6 +232,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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// CraftBukkit start - multithreaded fields
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private AtomicInteger chatSpamTickCount = new AtomicInteger();
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private final java.util.concurrent.atomic.AtomicInteger tabSpamLimiter = new java.util.concurrent.atomic.AtomicInteger(); // Paper - configurable tab spam limits
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+ private final java.util.concurrent.atomic.AtomicInteger recipeSpamPackets = new java.util.concurrent.atomic.AtomicInteger(); // Paper - auto recipe limit
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// CraftBukkit end
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private int dropSpamTickCount;
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private double firstGoodX;
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@@ -377,6 +378,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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// CraftBukkit start
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for (int spam; (spam = this.chatSpamTickCount.get()) > 0 && !this.chatSpamTickCount.compareAndSet(spam, spam - 1); ) ;
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if (tabSpamLimiter.get() > 0) tabSpamLimiter.getAndDecrement(); // Paper - split to seperate variable
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+ if (recipeSpamPackets.get() > 0) recipeSpamPackets.getAndDecrement(); // Paper
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/* Use thread-safe field access instead
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if (this.chatSpamTickCount > 0) {
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--this.chatSpamTickCount;
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@@ -2794,6 +2796,14 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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@Override
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public void handlePlaceRecipe(ServerboundPlaceRecipePacket packet) {
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+ // Paper start
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+ if (!org.bukkit.Bukkit.isPrimaryThread()) {
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+ if (recipeSpamPackets.addAndGet(com.destroystokyo.paper.PaperConfig.autoRecipeIncrement) > com.destroystokyo.paper.PaperConfig.autoRecipeLimit) {
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+ server.scheduleOnMain(() -> this.disconnect(new TranslatableComponent("disconnect.spam", new Object[0]))); // Paper
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+ return;
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+ }
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+ }
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+ // Paper end
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PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel());
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this.player.resetLastActionTime();
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if (!this.player.isSpectator() && this.player.containerMenu.containerId == packet.getContainerId() && this.player.containerMenu instanceof RecipeBookMenu) {
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