PaperMC/patches/api/0436-Return-null-for-empty-String-in-NamespacedKey.fromSt.patch
2024-09-21 21:19:02 +02:00

60 lines
3.4 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Sat, 6 Jan 2024 14:18:58 +0100
Subject: [PATCH] Return null for empty String in NamespacedKey.fromString
diff --git a/src/main/java/org/bukkit/NamespacedKey.java b/src/main/java/org/bukkit/NamespacedKey.java
index cbdaa121dbc1876d0cd55f4b7b57f283ecaa8f1a..7ff6d60deb129e23b2a4d772aee123eb6c0b6433 100644
--- a/src/main/java/org/bukkit/NamespacedKey.java
+++ b/src/main/java/org/bukkit/NamespacedKey.java
@@ -90,7 +90,7 @@ public final class NamespacedKey implements net.kyori.adventure.key.Key { // Pap
this.key = key;
String string = toString();
- Preconditions.checkArgument(string.length() < 256, "NamespacedKey must be less than 256 characters", string);
+ Preconditions.checkArgument(string.length() <= Short.MAX_VALUE, "NamespacedKey must be less than 32768 characters", string); // Paper - Fix improper length validation
}
/**
@@ -117,7 +117,7 @@ public final class NamespacedKey implements net.kyori.adventure.key.Key { // Pap
Preconditions.checkArgument(isValidKey(this.key), "Invalid key. Must be [a-z0-9/._-]: %s", this.key);
String string = toString();
- Preconditions.checkArgument(string.length() < 256, "NamespacedKey must be less than 256 characters (%s)", string);
+ Preconditions.checkArgument(string.length() <= Short.MAX_VALUE, "NamespacedKey must be less than 32768 characters", string); // Paper - Fix improper length validation
}
@NotNull
@@ -205,7 +205,10 @@ public final class NamespacedKey implements net.kyori.adventure.key.Key { // Pap
*/
@Nullable
public static NamespacedKey fromString(@NotNull String string, @Nullable Plugin defaultNamespace) {
- Preconditions.checkArgument(string != null && !string.isEmpty(), "Input string must not be empty or null");
+ // Paper - Return null for empty string, check length
+ Preconditions.checkArgument(string != null, "Input string must not be null");
+ if (string.isEmpty() || string.length() > Short.MAX_VALUE) return null;
+ // Paper end - Return null for empty string, check length
String[] components = string.split(":", 3);
if (components.length > 2) {
diff --git a/src/test/java/org/bukkit/NamespacedKeyTest.java b/src/test/java/org/bukkit/NamespacedKeyTest.java
index 6317798e43332f34f79970ded0f023beee868fed..d4e9e24b705a7ac3e9f4fc27eefa44ecb16aa35c 100644
--- a/src/test/java/org/bukkit/NamespacedKeyTest.java
+++ b/src/test/java/org/bukkit/NamespacedKeyTest.java
@@ -29,6 +29,7 @@ public class NamespacedKeyTest {
assertNull(NamespacedKey.fromString("foo:bar:bazz"));
}
+ @org.junit.jupiter.api.Disabled // Paper - Fixup NamespacedKey handling
@Test
public void testFromStringEmptyInput() {
assertThrows(IllegalArgumentException.class, () -> NamespacedKey.fromString(""));
@@ -75,6 +76,7 @@ public class NamespacedKeyTest {
"loremipsumdolorsitametconsecteturadipiscingelitduisvolutpatvelitsitametmaximusscelerisquemorbiullamcorperexacconsequategestas").toString();
}
+ @org.junit.jupiter.api.Disabled // Paper - Fixup NamespacedKey handling
@Test
public void testAboveLength() {
assertThrows(IllegalArgumentException.class, () -> new NamespacedKey("loremipsumdolorsitametconsecteturadipiscingelitduisvolutpatvelitsitametmaximusscelerisquemorbiullamcorperexacconsequategestas",