Paper/patches/unapplied/server/0798-Kick-on-main-for-illeg...

43 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 d4a9c03c557c14069a0227363c61c36977f3eae7..913ef8c087aea0dbb1e9cd7bcbfd4c2397cb301f 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2175,7 +2175,9 @@ 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
@@ -2203,7 +2205,9 @@ 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(() -> {
@@ -2289,7 +2293,9 @@ 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));