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89d51d5f29
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable. It should be noted that this decision does not promise all future exploits will be configurable.
63 lines
3.3 KiB
Diff
63 lines
3.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: William Blake Galbreath <Blake.Galbreath@GMail.com>
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Date: Wed, 1 Jul 2020 11:57:40 -0500
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Subject: [PATCH] Update itemstack legacy name and lore
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diff --git a/src/main/java/net/minecraft/world/item/ItemStack.java b/src/main/java/net/minecraft/world/item/ItemStack.java
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index 0a3fec9b82a4d744f9046aebe30f80bb6e56c500..4a6e128c62c890c34b62f826d586ae6a424e7f01 100644
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--- a/src/main/java/net/minecraft/world/item/ItemStack.java
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+++ b/src/main/java/net/minecraft/world/item/ItemStack.java
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@@ -196,6 +196,44 @@ public final class ItemStack {
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list.sort((java.util.Comparator<? super net.minecraft.nbt.Tag>) enchantSorter); // Paper
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} catch (Exception ignored) {}
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}
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+
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+ private void processText() {
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+ CompoundTag display = getTagElement("display");
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+ if (display != null) {
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+ if (display.contains("Name", net.minecraft.nbt.Tag.TAG_STRING)) {
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+ String json = display.getString("Name");
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+ if (json != null && json.contains("\u00A7")) {
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+ try {
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+ display.put("Name", convert(json));
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+ } catch (com.google.gson.JsonParseException jsonparseexception) {
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+ display.remove("Name");
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+ }
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+ }
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+ }
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+ if (display.contains("Lore", net.minecraft.nbt.Tag.TAG_LIST)) {
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+ ListTag list = display.getList("Lore", net.minecraft.nbt.Tag.TAG_STRING);
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+ for (int index = 0; index < list.size(); index++) {
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+ String json = list.getString(index);
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+ if (json != null && json.contains("\u00A7")) { // Only try if it has legacy in the unparsed json
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+ try {
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+ list.set(index, convert(json));
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+ } catch (com.google.gson.JsonParseException e) {
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+ list.set(index, net.minecraft.nbt.StringTag.valueOf(org.bukkit.craftbukkit.util.CraftChatMessage.toJSON(net.minecraft.network.chat.Component.literal(""))));
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+ }
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+ }
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+ }
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+ }
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+ }
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+ }
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+
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+ private net.minecraft.nbt.StringTag convert(String json) {
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+ Component component = Component.Serializer.fromJson(json);
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+ if (component.getContents() instanceof final net.minecraft.network.chat.contents.PlainTextContents plainTextContents && plainTextContents.text().contains("\u00A7") && component.getSiblings().isEmpty()) {
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+ // Only convert if the root component is a single comp with legacy in it, don't convert already normal components
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+ component = org.bukkit.craftbukkit.util.CraftChatMessage.fromString(plainTextContents.text())[0];
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+ }
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+ return net.minecraft.nbt.StringTag.valueOf(org.bukkit.craftbukkit.util.CraftChatMessage.toJSON(component));
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+ }
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// Paper end
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public ItemStack(ItemLike item) {
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@@ -245,6 +283,7 @@ public final class ItemStack {
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if (nbttagcompound.contains("tag", 10)) {
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this.tag = nbttagcompound.getCompound("tag").copy();
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this.processEnchantOrder(this.tag); // Paper
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+ this.processText(); // Paper - Update itemstack legacy name and lore
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this.getItem().verifyTagAfterLoad(this.tag);
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}
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