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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.
56 lines
3.5 KiB
Diff
56 lines
3.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sun, 28 Jun 2020 19:08:41 -0400
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Subject: [PATCH] Improve Legacy Component serialization size
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Don't constantly send format: false for all formatting options when parent already
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has it false
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftChatMessage.java b/src/main/java/org/bukkit/craftbukkit/util/CraftChatMessage.java
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index 516b3fef4d388366df09f0dd88deadbcc0b7d344..753200057e74b8e2d5274894b982e6ee946a559e 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/CraftChatMessage.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftChatMessage.java
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@@ -46,6 +46,7 @@ public final class CraftChatMessage {
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// Separate pattern with no group 3, new lines are part of previous string
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private static final Pattern INCREMENTAL_PATTERN_KEEP_NEWLINES = Pattern.compile("(" + String.valueOf(org.bukkit.ChatColor.COLOR_CHAR) + "[0-9a-fk-orx])|((?:(?:https?):\\/\\/)?(?:[-\\w_\\.]{2,}\\.[a-z]{2,4}.*?(?=[\\.\\?!,;:]?(?:[" + String.valueOf(org.bukkit.ChatColor.COLOR_CHAR) + " ]|$))))", Pattern.CASE_INSENSITIVE);
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// ChatColor.b does not explicitly reset, its more of empty
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+ private static final Style EMPTY = Style.EMPTY.withItalic(false); // Paper - Improve Legacy Component serialization size
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private static final Style RESET = Style.EMPTY.withBold(false).withItalic(false).withUnderlined(false).withStrikethrough(false).withObfuscated(false);
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private final List<Component> list = new ArrayList<Component>();
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@@ -67,6 +68,7 @@ public final class CraftChatMessage {
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Matcher matcher = (keepNewlines ? StringMessage.INCREMENTAL_PATTERN_KEEP_NEWLINES : StringMessage.INCREMENTAL_PATTERN).matcher(message);
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String match = null;
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boolean needsAdd = false;
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+ boolean hasReset = false; // Paper - Improve Legacy Component serialization size
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while (matcher.find()) {
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int groupId = 0;
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while ((match = matcher.group(++groupId)) == null) {
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@@ -112,7 +114,26 @@ public final class CraftChatMessage {
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throw new AssertionError("Unexpected message format");
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}
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} else { // Color resets formatting
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- this.modifier = StringMessage.RESET.withColor(format);
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+ // Paper start - Improve Legacy Component serialization size
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+ Style previous = modifier;
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+ modifier = (!hasReset ? RESET : EMPTY).withColor(format);
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+ hasReset = true;
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+ if (previous.isBold()) {
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+ modifier = modifier.withBold(false);
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+ }
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+ if (previous.isItalic()) {
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+ modifier = modifier.withItalic(false);
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+ }
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+ if (previous.isObfuscated()) {
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+ modifier = modifier.withObfuscated(false);
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+ }
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+ if (previous.isStrikethrough()) {
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+ modifier = modifier.withStrikethrough(false);
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+ }
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+ if (previous.isUnderlined()) {
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+ modifier = modifier.withUnderlined(false);
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+ }
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+ // Paper end - Improve Legacy Component serialization size
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}
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needsAdd = true;
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break;
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