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fix empty array elements in command args (#5778)

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Gergely Sarkozi 2021-07-28 20:37:32 +02:00 committed by GitHub
parent 321dd1d655
commit 7480b94720
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patches/api/0324-fix-empty-array-elements-in-command-arguments.patch Normal file
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Trigary <trigary0@gmail.com>
Date: Sat, 5 Jun 2021 10:29:39 +0200
Subject: [PATCH] fix empty array elements in command arguments
Adjacent spaces caused empty array elements due to how String#split works.
This change removes those empty array elements without modifying anything else.
Adjacent spaces sent by players are removed in PlayerConnection, so this change doesn't affect players.
But it does affect the console, command blocks, Bukkit.dispatchCommand, etc.
diff --git a/src/main/java/org/bukkit/command/SimpleCommandMap.java b/src/main/java/org/bukkit/command/SimpleCommandMap.java
index 460fda05a62b12db2edcfb7ea8b2a5dd8e4b110d..74252236b138969560e6513f24e7ecc6dc4a4127 100644
--- a/src/main/java/org/bukkit/command/SimpleCommandMap.java
+++ b/src/main/java/org/bukkit/command/SimpleCommandMap.java
@@ -134,7 +134,7 @@ public class SimpleCommandMap implements CommandMap {
*/
@Override
public boolean dispatch(@NotNull CommandSender sender, @NotNull String commandLine) throws CommandException {
- String[] args = commandLine.split(" ");
+ String[] args = org.apache.commons.lang3.StringUtils.split(commandLine, ' '); // Paper - fix adjacent spaces (from console/plugins) causing empty array elements
if (args.length == 0) {
return false;