38 lines
1.9 KiB
Diff
38 lines
1.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Video <videogamesm12@gmail.com>
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Date: Mon, 28 Mar 2022 16:49:17 -0600
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Subject: [PATCH] Reject oversized components from updating
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diff --git a/src/main/java/net/minecraft/network/chat/ComponentUtils.java b/src/main/java/net/minecraft/network/chat/ComponentUtils.java
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index 8f4c83837d0b01a3dbca2607ea718c371db48ef4..fe2717679f84fbef1b8ff1f9a3c3bf0fba8965f1 100644
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--- a/src/main/java/net/minecraft/network/chat/ComponentUtils.java
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+++ b/src/main/java/net/minecraft/network/chat/ComponentUtils.java
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@@ -37,8 +37,11 @@ public class ComponentUtils {
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}
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public static MutableComponent updateForEntity(@Nullable CommandSourceStack source, Component text, @Nullable Entity sender, int depth) throws CommandSyntaxException {
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+ // Scissors start - Reject oversized components
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+ MutableComponent result;
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+
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if (depth > 100) {
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- return text.copy();
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+ result = text.copy();
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} else {
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MutableComponent mutableComponent = text instanceof ContextAwareComponent ? ((ContextAwareComponent)text).resolve(source, sender, depth + 1) : text.plainCopy();
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@@ -46,8 +49,12 @@ public class ComponentUtils {
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mutableComponent.append(updateForEntity(source, component, sender, depth + 1));
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}
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- return mutableComponent.withStyle(resolveStyle(source, text.getStyle(), sender, depth));
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+ result = mutableComponent.withStyle(resolveStyle(source, text.getStyle(), sender, depth));
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}
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+
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+ // Would the resulting component exceed 65535 bytes when encoded as a string?
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+ return Component.Serializer.toJson(result).length() > 65535 ? new TextComponent("") : result;
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+ // Scissors end
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}
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private static Style resolveStyle(@Nullable CommandSourceStack source, Style style, @Nullable Entity sender, int depth) throws CommandSyntaxException {
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