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52 lines
2.6 KiB
Diff
52 lines
2.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Nassim Jahnke <nassim@njahnke.dev>
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Date: Sat, 21 Sep 2024 22:01:52 +0200
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Subject: [PATCH] Fix PlayerCommandPreprocessEvent on signed commands
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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 fcccf989c25f0a259b160c4ff7873f7009e64d14..befeaac4786760f6847a5945da2296a3e68dbb17 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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@@ -2245,24 +2245,32 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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PlayerCommandPreprocessEvent event = new PlayerCommandPreprocessEvent(this.getCraftPlayer(), command, new LazyPlayerSet(this.server));
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this.cserver.getPluginManager().callEvent(event);
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-
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- if (event.isCancelled()) {
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- return;
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- }
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command = event.getMessage().substring(1);
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- ParseResults<CommandSourceStack> parseresults = this.parseCommand(command);
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- // CraftBukkit end
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-
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- Map map;
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+ // Paper start - Fix cancellation and message changing
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+ ParseResults<CommandSourceStack> parseresults = this.parseCommand(packet.command());
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+ Map<String, PlayerChatMessage> map;
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try {
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- map = (packet.command().equals(command)) ? this.collectSignedArguments(packet, SignableCommand.of(parseresults), lastSeenMessages) : Collections.emptyMap(); // CraftBukkit
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+ // Always parse the original command to add to the chat chain
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+ map = this.collectSignedArguments(packet, SignableCommand.of(parseresults), lastSeenMessages);
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} catch (SignedMessageChain.DecodeException signedmessagechain_a) {
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this.handleMessageDecodeFailure(signedmessagechain_a);
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return;
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}
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+ if (event.isCancelled()) {
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+ // Only now are we actually good to return
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+ return;
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+ }
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+
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+ // Remove signed parts if the command was changed
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+ if (!command.equals(packet.command())) {
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+ parseresults = this.parseCommand(command);
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+ map = Collections.emptyMap();
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+ }
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+ // Paper end - Fix cancellation and message changing
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+
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CommandSigningContext.SignedArguments commandsigningcontext_a = new CommandSigningContext.SignedArguments(map);
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parseresults = Commands.<CommandSourceStack>mapSource(parseresults, (commandlistenerwrapper) -> { // CraftBukkit - decompile error
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