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Configurable valid characters for usernames

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This commit is contained in:
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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10
purpur-server/minecraft-patches/sources/net/minecraft/util/StringUtil.java.patch Normal file
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@@ -0,0 +1,10 @@
--- a/net/minecraft/util/StringUtil.java
+++ b/net/minecraft/util/StringUtil.java
@@ -87,6 +_,7 @@
// Paper start - Username validation
public static boolean isReasonablePlayerName(final String name) {
+ if (true) return org.purpurmc.purpur.PurpurConfig.usernameValidCharactersPattern.matcher(name).matches(); // Purpur - Configurable valid characters for usernames
if (name.isEmpty() || name.length() > 16) {
return false;
}

8
purpur-server/src/main/java/org/purpurmc/purpur/PurpurConfig.java
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@@ -5,6 +5,7 @@ import com.google.common.collect.ImmutableMap;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Set;
import java.util.regex.Pattern;
import net.kyori.adventure.bossbar.BossBar;
import net.kyori.adventure.text.minimessage.MiniMessage;
import net.minecraft.core.Registry;
@@ -447,4 +448,11 @@ public class PurpurConfig {
private static void networkSettings() {
useUPnP = getBoolean("settings.network.upnp-port-forwarding", useUPnP);
}
public static Pattern usernameValidCharactersPattern;
private static void usernameValidationSettings() {
String defaultPattern = "^[a-zA-Z0-9_.]*$";
String setPattern = getString("settings.username-valid-characters", defaultPattern);
usernameValidCharactersPattern = Pattern.compile(setPattern == null || setPattern.isBlank() ? defaultPattern : setPattern);
}
}