mirror of
https://github.com/AtlasMediaGroup/Scissors.git
synced 2024-12-04 21:01:01 -05:00
151 lines
8.4 KiB
Diff
151 lines
8.4 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 20:44:20 -0300
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Subject: [PATCH] Add depth limit to Component deserializer
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diff --git a/src/main/java/com/github/atlasmediagroup/scissors/ScissorsConfig.java b/src/main/java/com/github/atlasmediagroup/scissors/ScissorsConfig.java
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index bb58d90e9d676761a43a12cbc1c3b687d00654b1..74f33cba7d713eddca5a58a2b33cad357792145e 100644
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--- a/src/main/java/com/github/atlasmediagroup/scissors/ScissorsConfig.java
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+++ b/src/main/java/com/github/atlasmediagroup/scissors/ScissorsConfig.java
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@@ -65,8 +65,8 @@ public class ScissorsConfig
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config.options().header(HEADER);
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config.options().copyDefaults(true);
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- version = getInt("config-version", 3);
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- set("config-version", 3);
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+ version = getInt("config-version", 4);
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+ set("config-version", 4);
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readConfig(ScissorsConfig.class, null);
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}
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@@ -146,6 +146,12 @@ public class ScissorsConfig
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disableGameMasterBlocks = getBoolean("disableGameMasterBlocks", false);
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}
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+ public static int componentDepthLimit = 128;
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+ private static void componentDepthLimit()
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+ {
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+ componentDepthLimit = getInt("componentDepthLimit", 128);
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+ }
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+
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private static void set(String path, Object val)
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{
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config.set(path, val);
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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 474ed00c09d58a7796cd543c9bcf8752e2f9f742..68e99223b0b084bdfdb9990780150bbc7d8ad8ea 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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@@ -1,5 +1,6 @@
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package net.minecraft.network.chat;
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+import com.github.atlasmediagroup.scissors.ScissorsConfig; // Scissors
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import com.google.common.collect.Lists;
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import io.papermc.paper.adventure.AdventureComponent; // Paper
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import com.google.gson.Gson;
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@@ -33,6 +34,7 @@ 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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@@ -192,27 +194,31 @@ 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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+
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if (jsonelement.isJsonPrimitive()) {
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return new TextComponent(jsonelement.getAsString());
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} else if (!jsonelement.isJsonObject()) {
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if (jsonelement.isJsonArray()) {
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JsonArray jsonarray = jsonelement.getAsJsonArray();
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- // Scissors start
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if (jsonarray.size() <= 0) {
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throw new JsonParseException("Unexpected empty array of components");
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}
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- // Scissors end
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MutableComponent ichatmutablecomponent = null;
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Iterator iterator = jsonarray.iterator();
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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);
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if (ichatmutablecomponent == null) {
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ichatmutablecomponent = ichatmutablecomponent1;
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@@ -236,12 +242,17 @@ public interface Component extends Message, FormattedText, Iterable<Component> {
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if (jsonobject.has("translate")) {
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s = GsonHelper.getAsString(jsonobject, "translate");
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+
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+ // Penalize depth for placeholders in translate & fallback
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+ long translate_placeholders = PLACEHOLDER_PATTERN.matcher(s).results().count();
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+ int penalty = (int)translate_placeholders * 12;
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+
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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] = this.deserialize(jsonarray1.get(i), type, jsondeserializationcontext);
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+ aobject[i] = this.deserialize(jsonarray1.get(i), jsondeserializationcontext, depth + 1 + penalty);
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if (aobject[i] instanceof TextComponent) {
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TextComponent chatcomponenttext = (TextComponent) aobject[i];
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@@ -264,7 +275,7 @@ public interface Component extends Message, FormattedText, Iterable<Component> {
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object = new ScoreComponent(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);
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object = new SelectorComponent(GsonHelper.getAsString(jsonobject, "selector"), optional);
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} else if (jsonobject.has("keybind")) {
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@@ -275,7 +286,7 @@ 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);
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boolean flag = GsonHelper.getAsBoolean(jsonobject, "interpret", false);
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if (jsonobject.has("block")) {
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@@ -300,7 +311,7 @@ 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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- ((MutableComponent) object).append(this.deserialize(jsonarray2.get(j), type, jsondeserializationcontext));
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+ ((MutableComponent) object).append(this.deserialize(jsonarray2.get(j), jsondeserializationcontext, depth + 1));
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}
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}
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@@ -309,8 +320,13 @@ public interface Component extends Message, FormattedText, Iterable<Component> {
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}
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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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+ 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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+
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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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