PaperMC/patches/server/0832-Kick-on-main-for-illegal-chat.patch
Nassim Jahnke 0ddd20c6f7
Updated Upstream (CraftBukkit/Spigot)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
ead719a65 SPIGOT-7136: Cancelling PlayerInteractEntityEvent with the Allay desyncs
8468e167e SPIGOT-7137: StructureGrowEvent isFromBonemeal and getPlayer have incorrect values
d45057c59 SPIGOT-7089: Crash when command blocks attempt to load worlds

Spigot Changes:
450dcaa8 Rebuild patches
2022-08-14 10:03:13 +02:00

42 lines
3.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Mon, 17 Jan 2022 19:47:19 +0100
Subject: [PATCH] Kick on main for illegal chat
Makes the PlayerKickEvent fire on the main thread for
illegal characters or chat out-of-order errors.
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 36c37ae73696a5fe443e7fd6614bca95e29be9a8..e16de9e1cf9c6d5377f7ce434cc737056093e71f 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2180,7 +2180,9 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
}
// CraftBukkit end
if (ServerGamePacketListenerImpl.isChatMessageIllegal(packet.message())) {
+ this.server.scheduleOnMain(() -> { // Paper - push to main for event firing
this.disconnect(Component.translatable("multiplayer.disconnect.illegal_characters"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_CHARACTERS); // Paper - add cause
+ }); // Paper - push to main for event firing
} else {
if (this.tryHandleChat(packet.message(), packet.timeStamp(), packet.lastSeenMessages())) {
// this.server.submit(() -> { // CraftBukkit - async chat
@@ -2208,7 +2210,9 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
@Override
public void handleChatCommand(ServerboundChatCommandPacket packet) {
if (ServerGamePacketListenerImpl.isChatMessageIllegal(packet.command())) {
+ this.server.scheduleOnMain(() -> { // Paper - push to main for event firing
this.disconnect(Component.translatable("multiplayer.disconnect.illegal_characters"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_CHARACTERS); // Paper
+ }); // Paper - push to main for event firing
} else {
if (this.tryHandleChat(packet.command(), packet.timeStamp(), packet.lastSeenMessages())) {
this.server.submit(() -> {
@@ -2294,7 +2298,9 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
private boolean tryHandleChat(String message, Instant timestamp, LastSeenMessages.Update acknowledgment) {
if (!this.updateChatOrder(timestamp)) {
ServerGamePacketListenerImpl.LOGGER.warn("{} sent out-of-order chat: '{}'", this.player.getName().getString(), message);
+ this.server.scheduleOnMain(() -> { // Paper - push to main
this.disconnect(Component.translatable("multiplayer.disconnect.out_of_order_chat"), org.bukkit.event.player.PlayerKickEvent.Cause.OUT_OF_ORDER_CHAT); // Paper - kick event cause
+ }); // Paper - push to main
return false;
} else if (this.player.isRemoved() || this.player.getChatVisibility() == ChatVisiblity.HIDDEN) { // CraftBukkit - dead men tell no tales
this.send(new ClientboundSystemChatPacket(Component.translatable("chat.disabled.options").withStyle(ChatFormatting.RED), false));