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80 lines
4.6 KiB
Diff
80 lines
4.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 3 Mar 2016 01:17:12 -0600
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Subject: [PATCH] Improve Player chat API handling
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Properly split up the chat and command handling to reflect the server now
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having separate packets for both, and the client always using the correct packet. Text
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from a chat packet should never be parsed into a command, even if it starts with the `/`
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character.
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Add a missing async catcher and improve Spigot's async catcher error message.
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== AT ==
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public net.minecraft.server.network.ServerGamePacketListenerImpl isChatMessageIllegal(Ljava/lang/String;)Z
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Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
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Co-authored-by: SoSeDiK <mrsosedik@gmail.com>
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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 ce7caf08865df9ff032ba6c42308ea3ce4de6226..04e68886a5385234701962f2502948052074515e 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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@@ -1930,7 +1930,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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}
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OutgoingChatMessage outgoing = OutgoingChatMessage.create(original);
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- if (!async && s.startsWith("/")) {
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+ if (false && !async && s.startsWith("/")) { // Paper - Don't handle commands in chat logic
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this.handleCommand(s);
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} else if (this.player.getChatVisibility() == ChatVisiblity.SYSTEM) {
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// Do nothing, this is coming from a plugin
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@@ -2017,7 +2017,8 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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}
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}
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- private void handleCommand(String s) {
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+ public void handleCommand(String s) { // Paper - private -> public
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+ org.spigotmc.AsyncCatcher.catchOp("Command Dispatched Async: " + s); // Paper - Add async catcher
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co.aikar.timings.MinecraftTimings.playerCommandTimer.startTiming(); // Paper
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if ( org.spigotmc.SpigotConfig.logCommands ) // Spigot
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this.LOGGER.info(this.player.getScoreboardName() + " issued server command: " + s);
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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index 4fbc98bc2fe808a15f974b0abf614781fe66e1c4..6568af2428be41c6d8baa8cf2a486ec4942d44d7 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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@@ -885,7 +885,7 @@ public final class CraftServer implements Server {
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public boolean dispatchCommand(CommandSender sender, String commandLine) {
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Preconditions.checkArgument(sender != null, "sender cannot be null");
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Preconditions.checkArgument(commandLine != null, "commandLine cannot be null");
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- org.spigotmc.AsyncCatcher.catchOp("command dispatch"); // Spigot
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+ org.spigotmc.AsyncCatcher.catchOp("Command Dispatched Async: " + commandLine); // Spigot // Paper - Include command in error message
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if (this.commandMap.dispatch(sender, commandLine)) {
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return true;
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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index ce54892f4a9b745779613af769783cb388336103..0017679b115de12f2e272db7ba3c11315086680f 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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@@ -456,7 +456,20 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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if (this.getHandle().connection == null) return;
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- this.getHandle().connection.chat(msg, PlayerChatMessage.system(msg), false);
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+ // Paper start - Improve chat handling
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+ if (ServerGamePacketListenerImpl.isChatMessageIllegal(msg)) {
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+ this.getHandle().connection.disconnect(Component.translatable("multiplayer.disconnect.illegal_characters"));
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+ } else {
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+ if (msg.startsWith("/")) {
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+ this.getHandle().connection.handleCommand(msg);
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+ } else {
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+ final PlayerChatMessage playerChatMessage = PlayerChatMessage.system(msg).withResult(new net.minecraft.network.chat.ChatDecorator.ModernResult(Component.literal(msg), true, false));
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+ // TODO chat decorating
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+ // TODO text filtering
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+ this.getHandle().connection.chat(msg, playerChatMessage, false);
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+ }
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+ }
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+ // Paper end - Improve chat handling
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}
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@Override
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