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f835a91d15
Upstream has added the equivalent of our SentientNPC API, with exception to the EnderDragon. We've added Mob to the EnderDragon, and our SentientNPC API should behave the same. Vex#getOwner has been deprecated and a replacement Vex#getSummoner has been added using Mob. However, since 1.13 is not production ready, SentientNPC API is subject for removal in 1.13.1 since 1.13 API is not compatible with 1.12. Please move to the Mob interface ASAP. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: c5ab54d8 Expand GameRule API ab9a606c Improve entity hierarchy by adding Mob interface. CraftBukkit Changes:29e75648Expand GameRule API50e6858bImprove entity hierarchy by adding Mob interface.0e1d79b4Correct error in previous patch
79 lines
4.5 KiB
Diff
79 lines
4.5 KiB
Diff
From a118ceac94cfcd9814c85880f46ae0a08e4e4fb7 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 c457d07110..046bf33f66 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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@@ -327,4 +327,18 @@ public class PaperConfig {
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logger.log(Level.INFO, "******************************************************");
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}
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}
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+
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+ public static int tabSpamIncrement = 2;
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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/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
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index f7401f5c98..6ebc0a95e2 100644
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--- a/src/main/java/net/minecraft/server/PlayerConnection.java
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+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
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@@ -75,6 +75,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
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// CraftBukkit start - multithreaded fields
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private volatile int chatThrottle;
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private static final AtomicIntegerFieldUpdater chatSpamField = AtomicIntegerFieldUpdater.newUpdater(PlayerConnection.class, "chatThrottle");
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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 j;
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private final IntHashMap<Short> k = new IntHashMap();
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@@ -204,6 +205,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
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this.minecraftServer.methodProfiler.e();
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// CraftBukkit start
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for (int spam; (spam = this.chatThrottle) > 0 && !chatSpamField.compareAndSet(this, 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.chatThrottle > 0) {
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--this.chatThrottle;
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@@ -506,7 +508,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
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public void a(PacketPlayInTabComplete packetplayintabcomplete) {
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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 (chatSpamField.addAndGet(this, 2) > 500 && !this.minecraftServer.getPlayerList().isOp(this.player.getProfile())) {
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+ if (tabSpamLimiter.addAndGet(com.destroystokyo.paper.PaperConfig.tabSpamIncrement) > com.destroystokyo.paper.PaperConfig.tabSpamLimit && !this.minecraftServer.getPlayerList().isOp(this.player.getProfile())) { // Paper start - split and make configurable
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this.disconnect(new ChatMessage("disconnect.spam", new Object[0]));
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minecraftServer.postToMainThread(() -> this.disconnect(new ChatMessage("disconnect.spam", new Object[0]))); // Paper
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return;
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--
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2.18.0
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