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Configurable valid characters for usernames

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BillyGalbreath
2025-01-12 14:07:58 -08:00
committed by granny
parent 36fb3e07d7
commit a79838e874
3 changed files with 18 additions and 34 deletions
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34
patches/server/0221-Configurable-valid-characters-for-usernames.patch
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@@ -1,34 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <blake.galbreath@gmail.com>
Date: Sat, 1 Jan 2022 18:38:58 -0600
Subject: [PATCH] Configurable valid characters for usernames
diff --git a/net/minecraft/util/StringUtil.java b/net/minecraft/util/StringUtil.java
index 6c33002dc8bbb3759c3156302ab7d1f26ce5e8ee..c89fc375aff548a2b03eaf4da3b6a075012df012 100644
--- a/net/minecraft/util/StringUtil.java
+++ b/net/minecraft/util/StringUtil.java
@@ -69,6 +69,7 @@ public class StringUtil {
// Paper start - Username validation
public static boolean isReasonablePlayerName(final String name) {
+ if (true) return org.purpurmc.purpur.PurpurConfig.usernameValidCharactersPattern.matcher(name).matches(); // Purpur
if (name.isEmpty() || name.length() > 16) {
return false;
}
diff --git a/src/main/java/org/purpurmc/purpur/PurpurConfig.java b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
index 80647bd8a776fea7cfedf3a991e9da73ce6c5ac1..00f02ad5f248120ce031048e02fe1bacda5567b7 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
@@ -455,4 +455,11 @@ public class PurpurConfig {
private static void networkSettings() {
useUPnP = getBoolean("settings.network.upnp-port-forwarding", useUPnP);
}
+
+ public static java.util.regex.Pattern usernameValidCharactersPattern;
+ private static void usernameValidationSettings() {
+ String defaultPattern = "^[a-zA-Z0-9_.]*$";
+ String setPattern = getString("settings.username-valid-characters", defaultPattern);
+ usernameValidCharactersPattern = java.util.regex.Pattern.compile(setPattern == null || setPattern.isBlank() ? defaultPattern : setPattern);
+ }
}