mirror of
https://github.com/AtlasMediaGroup/Scissors.git
synced 2024-10-31 20:27:10 +00:00
126 lines
7.7 KiB
Diff
126 lines
7.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Luna <lunahatesgogle@gmail.com>
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Date: Wed, 31 May 2023 18:14:00 -0300
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Subject: [PATCH] Add depth limit to Component deserializer
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diff --git a/src/main/java/net/minecraft/network/chat/Component.java b/src/main/java/net/minecraft/network/chat/Component.java
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index fa6151a2361684426bdd3bf3b433fe4dbd0cf47b..4dd93e02f2b18e5c75be14ff8f052220ca69f427 100644
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--- a/src/main/java/net/minecraft/network/chat/Component.java
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+++ b/src/main/java/net/minecraft/network/chat/Component.java
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@@ -26,6 +26,7 @@ import java.util.List;
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import java.util.Map.Entry;
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import java.util.Optional;
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import javax.annotation.Nullable;
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+import me.totalfreedom.scissors.ScissorsConfig; // Scissors
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import net.minecraft.ChatFormatting; // Scissors
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import net.minecraft.Util;
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import net.minecraft.network.chat.contents.BlockDataSource;
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@@ -44,6 +45,7 @@ import net.minecraft.util.GsonHelper;
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import net.minecraft.util.LowerCaseEnumTypeAdapterFactory;
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// CraftBukkit start
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import com.google.common.collect.Streams;
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+import java.util.regex.Pattern; // Scissors
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import java.util.stream.Stream;
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// CraftBukkit end
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@@ -254,10 +256,16 @@ public interface Component extends Message, FormattedText, Iterable<Component> {
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throw new IllegalStateException("Couldn't get field 'lineStart' for JsonReader", nosuchfieldexception);
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}
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});
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+ private static final Pattern PLACEHOLDER_PATTERN = Pattern.compile("%[0-9]+\\$s"); // Scissors
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public Serializer() {}
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- public MutableComponent deserialize(JsonElement jsonelement, Type type, JsonDeserializationContext jsondeserializationcontext) throws JsonParseException {
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+ // Scissors start
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+ private MutableComponent deserialize(JsonElement jsonelement, JsonDeserializationContext jsondeserializationcontext, int depth) throws JsonParseException {
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+ if (depth > ScissorsConfig.componentDepthLimit) {
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+ throw new JsonParseException("Depth limit exceeded");
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+ }
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+ // Scissors end
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if (jsonelement.isJsonPrimitive()) {
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return Component.literal(jsonelement.getAsString());
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} else {
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@@ -273,7 +281,7 @@ public interface Component extends Message, FormattedText, Iterable<Component> {
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while (iterator.hasNext()) {
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JsonElement jsonelement1 = (JsonElement) iterator.next();
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- MutableComponent ichatmutablecomponent1 = this.deserialize(jsonelement1, jsonelement1.getClass(), jsondeserializationcontext);
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+ MutableComponent ichatmutablecomponent1 = this.deserialize(jsonelement1, jsondeserializationcontext, depth + 1); // Scissors
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if (ichatmutablecomponent == null) {
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ichatmutablecomponent = ichatmutablecomponent1;
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@@ -297,12 +305,17 @@ public interface Component extends Message, FormattedText, Iterable<Component> {
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s = GsonHelper.getAsString(jsonobject, "translate");
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String s1 = GsonHelper.getAsString(jsonobject, "fallback", (String) null);
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+ // Scissors start - Penalize depth for placeholders in translate & fallback
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+ long translate_placeholders = PLACEHOLDER_PATTERN.matcher(s).results().count();
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+ long fallback_placeholders = s1 != null ? PLACEHOLDER_PATTERN.matcher(s1).results().count() : 0;
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+ int penalty = (int)Math.max(translate_placeholders, fallback_placeholders) * 12;
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+ // Scissors end
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if (jsonobject.has("with")) {
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JsonArray jsonarray1 = GsonHelper.getAsJsonArray(jsonobject, "with");
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Object[] aobject = new Object[jsonarray1.size()];
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for (int i = 0; i < aobject.length; ++i) {
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- aobject[i] = Serializer.unwrapTextArgument(this.deserialize(jsonarray1.get(i), type, jsondeserializationcontext));
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+ aobject[i] = Serializer.unwrapTextArgument(this.deserialize(jsonarray1.get(i), jsondeserializationcontext, depth + 1 + penalty)); // Scissors
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}
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ichatmutablecomponent = Component.translatableWithFallback(s, s1, aobject);
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@@ -318,7 +331,7 @@ public interface Component extends Message, FormattedText, Iterable<Component> {
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ichatmutablecomponent = Component.score(GsonHelper.getAsString(jsonobject1, "name"), GsonHelper.getAsString(jsonobject1, "objective"));
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} else if (jsonobject.has("selector")) {
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- Optional<Component> optional = this.parseSeparator(type, jsondeserializationcontext, jsonobject);
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+ Optional<Component> optional = this.parseSeparator(jsondeserializationcontext, jsonobject, depth + 1); // Scissors
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ichatmutablecomponent = Component.selector(GsonHelper.getAsString(jsonobject, "selector"), optional);
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} else if (jsonobject.has("keybind")) {
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@@ -329,7 +342,7 @@ public interface Component extends Message, FormattedText, Iterable<Component> {
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}
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s = GsonHelper.getAsString(jsonobject, "nbt");
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- Optional<Component> optional1 = this.parseSeparator(type, jsondeserializationcontext, jsonobject);
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+ Optional<Component> optional1 = this.parseSeparator(jsondeserializationcontext, jsonobject, depth + 1); // Scissors
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boolean flag = GsonHelper.getAsBoolean(jsonobject, "interpret", false);
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Object object;
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@@ -356,7 +369,7 @@ public interface Component extends Message, FormattedText, Iterable<Component> {
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}
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for (int j = 0; j < jsonarray2.size(); ++j) {
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- ichatmutablecomponent.append((Component) this.deserialize(jsonarray2.get(j), type, jsondeserializationcontext));
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+ ichatmutablecomponent.append((Component) this.deserialize(jsonarray2.get(j), jsondeserializationcontext, depth + 1)); // Scissors
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}
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}
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@@ -366,6 +379,12 @@ public interface Component extends Message, FormattedText, Iterable<Component> {
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}
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}
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+ // Scissors start
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+ public MutableComponent deserialize(JsonElement jsonelement, Type type, JsonDeserializationContext jsondeserializationcontext) throws JsonParseException {
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+ return this.deserialize(jsonelement, jsondeserializationcontext, 1);
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+ }
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+ // Scissors end
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+
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private static Object unwrapTextArgument(Object text) {
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if (text instanceof Component) {
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Component ichatbasecomponent = (Component) text;
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@@ -384,8 +403,10 @@ public interface Component extends Message, FormattedText, Iterable<Component> {
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return text;
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}
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- private Optional<Component> parseSeparator(Type type, JsonDeserializationContext context, JsonObject json) {
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- return json.has("separator") ? Optional.of(this.deserialize(json.get("separator"), type, context)) : Optional.empty();
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+ // Scissors start
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+ private Optional<Component> parseSeparator(JsonDeserializationContext context, JsonObject json, int depth) {
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+ return json.has("separator") ? Optional.of(this.deserialize(json.get("separator"), context, depth + 1)) : Optional.empty();
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+ // Scissors end
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}
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private void serializeStyle(Style style, JsonObject json, JsonSerializationContext context) {
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