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move early checks

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This commit is contained in:
Nassim Jahnke
2025-05-23 17:11:54 +02:00
parent 5f210bb2d6
commit eb180d5aeb
1 changed files with 8 additions and 5 deletions
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13
paper-server/patches/sources/net/minecraft/server/network/ServerGamePacketListenerImpl.java.patch
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@@ -1462,7 +1462,7 @@
public void handleChatCommand(ServerboundChatCommandPacket packet) {
this.tryHandleChat(packet.command(), () -> {
+ // CraftBukkit start - SPIGOT-7346: Prevent disconnected players from executing commands
+ if (this.player.hasDisconnected()) {
+ if (this.player.hasDisconnected() || this.player.isRemoved()) {
+ return;
+ }
+ // CraftBukkit end
@@ -1482,10 +1482,10 @@
+
+ PlayerCommandPreprocessEvent event = new PlayerCommandPreprocessEvent(this.getCraftPlayer(), prefixedCommand, new org.bukkit.craftbukkit.util.LazyPlayerSet(this.server));
+ this.cserver.getPluginManager().callEvent(event);
+
+ if (event.isCancelled()) {
+ return;
+ }
+
+ command = event.getMessage().substring(1);
+ // CraftBukkit end
ParseResults<CommandSourceStack> parseResults = this.parseCommand(command);
@@ -1531,7 +1531,7 @@
Map<String, PlayerChatMessage> map;
try {
map = this.collectSignedArguments(packet, SignableCommand.of(parseResults), lastSeenMessages);
@@ -1433,11 +_,24 @@
@@ -1433,11 +_,28 @@
return;
}
@@ -1542,6 +1542,10 @@
+ }
+
+ private void performSignedChatCommand(ServerboundChatCommandSignedPacket packet, ParseResults<CommandSourceStack> parseResults, String command, Map<String, PlayerChatMessage> map) {
+ if (this.player.hasDisconnected() || this.player.isRemoved()) {
+ return;
+ }
+
+ // Remove signed parts if the command was changed
+ if (!command.equals(packet.command())) {
+ parseResults = this.parseCommand(command);
@@ -1565,9 +1569,8 @@
+ private void tryHandleChat(String message, Runnable handler, boolean sync) { // CraftBukkit
if (isChatMessageIllegal(message)) {
- this.disconnect(Component.translatable("multiplayer.disconnect.illegal_characters"));
- } else if (this.player.getChatVisibility() == ChatVisiblity.HIDDEN) {
+ this.disconnectAsync(Component.translatable("multiplayer.disconnect.illegal_characters"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_CHARACTERS); // Paper - add proper async disconnect
+ } else if (this.player.isRemoved() || this.player.getChatVisibility() == ChatVisiblity.HIDDEN) { // CraftBukkit - dead men tell no tales
} else if (this.player.getChatVisibility() == ChatVisiblity.HIDDEN) {
this.send(new ClientboundSystemChatPacket(Component.translatable("chat.disabled.options").withStyle(ChatFormatting.RED), false));
} else {
this.player.resetLastActionTime();