Moar

2025-08-02 21:22:05 -07:00 · 2024-12-13 20:30:07 +01:00
parent 4091c6ac4d
commit c3d5f253fe
12 changed files with 155 additions and 170 deletions
--- a/paper-server/patches/sources/net/minecraft/util/StringUtil.java.patch
+++ b/paper-server/patches/sources/net/minecraft/util/StringUtil.java.patch
@@ -0,0 +1,28 @@
+--- a/net/minecraft/util/StringUtil.java
+++ b/net/minecraft/util/StringUtil.java
+@@ -85,6 +_,25 @@
+         return stringBuilder.toString();
+     }
+ 
+    // Paper start - Username validation
+    public static boolean isReasonablePlayerName(final String name) {
+        if (name.isEmpty() || name.length() > 16) {
+            return false;
+        }
+
+        for (int i = 0, len = name.length(); i < len; ++i) {
+            final char c = name.charAt(i);
+            if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || (c == '_' || c == '.')) {
+                continue;
+            }
+
+            return false;
+        }
+
+        return true;
+    }
+    // Paper end - Username validation
+
+     public static boolean isWhitespace(int character) {
+         return Character.isWhitespace(character) || Character.isSpaceChar(character);
+     }