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Clean up duplicated GameProfile Properties

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We had a bug where we accidently cloned properties resulting in skulls
growing to large sizes and preventing login.

This now automatically cleans up the extra properties.

Fixes #3719
Fixes #3667
This commit is contained in:
Aikar 2020-07-01 03:15:52 -04:00
parent d9bdfa4aa2
commit 438da20dd5
1 changed files with 68 additions and 0 deletions
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Spigot-Server-Patches/Clean-up-duplicated-GameProfile-Properties.patch Normal file
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@ -0,0 +1,68 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 1 Jul 2020 03:12:06 -0400
Subject: [PATCH] Clean up duplicated GameProfile Properties
We had a bug where we accidently cloned properties resulting in skulls
growing to large sizes and preventing login.
This now automatically cleans up the extra properties.
diff --git a/src/main/java/net/minecraft/server/GameProfileSerializer.java b/src/main/java/net/minecraft/server/GameProfileSerializer.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/GameProfileSerializer.java
+++ b/src/main/java/net/minecraft/server/GameProfileSerializer.java
@@ -0,0 +0,0 @@ public final class GameProfileSerializer {
while (iterator.hasNext()) {
String s1 = (String) iterator.next();
NBTTagList nbttaglist = nbttagcompound1.getList(s1, 10);
-
- for (int i = 0; i < nbttaglist.size(); ++i) {
+ if (nbttaglist.size() == 0) continue; // Paper - remove duplicate properties
+ for (int i = nbttaglist.size() - 1; i < nbttaglist.size(); ++i) { // Paper - remove duplicate properties
NBTTagCompound nbttagcompound2 = nbttaglist.getCompound(i);
String s2 = nbttagcompound2.getString("Value");
@@ -0,0 +0,0 @@ public final class GameProfileSerializer {
Optional<T> optional = iblockstate.b(nbttagcompound.getString(s));
if (optional.isPresent()) {
- return (IBlockDataHolder) s0.set(iblockstate, (Comparable) optional.get());
+ return s0.set(iblockstate, optional.get()); // Paper - decompile error
} else {
GameProfileSerializer.LOGGER.warn("Unable to read property: {} with value: {} for blockstate: {}", s, nbttagcompound.getString(s), nbttagcompound1.toString());
return s0;
@@ -0,0 +0,0 @@ public final class GameProfileSerializer {
return nbttagcompound;
}
- private static <T extends Comparable<T>> String a(IBlockState<T> iblockstate, Comparable<?> comparable) {
- return iblockstate.a(comparable);
+ private static <T extends Comparable<T>> String a(IBlockState<T> iblockstate, Comparable<T> comparable) {// Paper - decompile error
+ return iblockstate.a((T) comparable);// Paper - decompile error
}
public static NBTTagCompound a(DataFixer datafixer, DataFixTypes datafixtypes, NBTTagCompound nbttagcompound, int i) {
diff --git a/src/main/java/net/minecraft/server/ItemSkullPlayer.java b/src/main/java/net/minecraft/server/ItemSkullPlayer.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/ItemSkullPlayer.java
+++ b/src/main/java/net/minecraft/server/ItemSkullPlayer.java
@@ -0,0 +0,0 @@ public class ItemSkullPlayer extends ItemBlockWallable {
return true;
} else {
// CraftBukkit start
+ // Paper start - clean up old duplicated properties
+ NBTTagCompound properties = nbttagcompound.getCompound("SkullOwner").getCompound("Properties");
+ for (String key : properties.getKeys()) {
+ NBTTagList values = properties.getList(key, 10);
+ if (values.size() > 1) {
+ NBTBase texture = values.get(values.size() - 1);
+ values = new NBTTagList();
+ values.add(texture);
+ properties.set(key, values);
+ }
+ }
+ // Paper end
NBTTagList textures = nbttagcompound.getCompound("SkullOwner").getCompound("Properties").getList("textures", 10); // Safe due to method contracts
for (int i = 0; i < textures.size(); i++) {
if (textures.get(i) instanceof NBTTagCompound && !((NBTTagCompound) textures.get(i)).hasKeyOfType("Signature", 8) && ((NBTTagCompound) textures.get(i)).getString("Value").trim().isEmpty()) {