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Prepare for 1.19 dev
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@@ -1,75 +0,0 @@
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Shane Freeder <theboyetronic@gmail.com>
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Date: Sun, 29 Jul 2018 05:02:15 +0100
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Subject: [PATCH] Break up and make tab spam limits configurable
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Due to the changes in 1.13, clients will send a tab completion request
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for all bukkit commands in order to factor in the lack of support for
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brigadier and provide backwards support in the API.
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Craftbukkit, however; has moved the chat spam limiter to also interact
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with the tab completion request, which while good for avoiding abuse,
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causes 1.13 clients to easilly be kicked from a server in bukkit due
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to this. Removing the spam limit could cause issues for servers, however,
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there is no way for servers to manipulate this without blindly cancelling
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kick events, which only causes additional complications. This also causes
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issues in that the tab spam limit and chat share the same field but different
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limits, meaning that a player having typed a long command may be kicked from
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the server.
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Splitting the field up and making it configurable allows for server owners
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to take the burden of this into their own hand without having to rely on
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plugins doing unsafe things.
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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 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 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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@@ -0,0 +0,0 @@ public class PaperConfig {
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Bukkit.getLogger().log(Level.INFO, "Using Aikar's Alternative Luck Formula to apply Luck attribute to all loot pool calculations. See https://luckformula.emc.gs");
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}
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}
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+
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+ public static int tabSpamIncrement = 1;
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+ public static int tabSpamLimit = 500;
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+ private static void tabSpamLimiters() {
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+ tabSpamIncrement = getInt("settings.spam-limiter.tab-spam-increment", tabSpamIncrement);
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+ // Older versions used a smaller limit, which is too low for 1.13, we'll bump this up if default
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+ if (version < 14) {
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+ if (tabSpamIncrement == 10) {
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+ set("settings.spam-limiter.tab-spam-increment", 2);
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+ tabSpamIncrement = 2;
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+ }
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+ }
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+ tabSpamLimit = getInt("settings.spam-limiter.tab-spam-limit", tabSpamLimit);
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+ }
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}
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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 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 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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@@ -0,0 +0,0 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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private long keepAliveChallenge;
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// CraftBukkit start - multithreaded fields
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private final 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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// CraftBukkit end
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private int dropSpamTickCount;
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private double firstGoodX;
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@@ -0,0 +0,0 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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this.server.getProfiler().pop();
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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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/* Use thread-safe field access instead
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if (this.chatSpamTickCount > 0) {
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--this.chatSpamTickCount;
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@@ -0,0 +0,0 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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public void handleCustomCommandSuggestions(ServerboundCommandSuggestionPacket packet) {
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// PlayerConnectionUtils.ensureMainThread(packetplayintabcomplete, this, this.player.getWorldServer()); // Paper - run this async
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// CraftBukkit start
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- if (this.chatSpamTickCount.addAndGet(1) > 500 && !this.server.getPlayerList().isOp(this.player.getGameProfile())) {
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+ if (this.chatSpamTickCount.addAndGet(com.destroystokyo.paper.PaperConfig.tabSpamIncrement) > com.destroystokyo.paper.PaperConfig.tabSpamLimit && !this.server.getPlayerList().isOp(this.player.getGameProfile())) { // Paper start - split and make configurable
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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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