Scissors/patches/server/0027-Better-handling-of-invalid-JSON-components.patch
2022-06-12 00:17:34 -05:00

195 lines
13 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Telesphoreo <me@telesphoreo.me>
Date: Sun, 12 Jun 2022 00:06:07 -0500
Subject: [PATCH] Better handling of invalid JSON components
diff --git a/src/main/java/net/minecraft/network/chat/Component.java b/src/main/java/net/minecraft/network/chat/Component.java
index bbfb98618a0b87406cc48465bdda15a0a4974b7e..a38127366c55a2d377727d9a9aec32b0e3ad437a 100644
--- a/src/main/java/net/minecraft/network/chat/Component.java
+++ b/src/main/java/net/minecraft/network/chat/Component.java
@@ -25,6 +25,7 @@ import java.util.List;
import java.util.Map.Entry;
import java.util.Optional;
import javax.annotation.Nullable;
+import net.minecraft.ChatFormatting;
import net.minecraft.Util;
import net.minecraft.network.chat.contents.BlockDataSource;
import net.minecraft.network.chat.contents.DataSource;
@@ -490,6 +491,26 @@ public interface Component extends Message, FormattedText, Iterable<Component> {
return GsonHelper.toStableString(Serializer.toJsonTree(text));
}
+ // Scissors start
+ @Nullable
+ public static MutableComponent fromJsonSafe(String json) {
+ try {
+ return fromJson(json);
+ } catch (Exception ex) {
+ return Component.empty().append("** Invalid JSON Component **").withStyle(ChatFormatting.RED);
+ }
+ }
+
+ @Nullable
+ public static MutableComponent fromJsonSafe(JsonElement json) {
+ try {
+ return fromJson(json);
+ } catch (Exception ex) {
+ return Component.empty().append("** Invalid JSON Component **").withStyle(ChatFormatting.RED);
+ }
+ }
+ // Scissors end
+
public static JsonElement toJsonTree(Component text) {
return Component.Serializer.GSON.toJsonTree(text);
}
diff --git a/src/main/java/net/minecraft/network/chat/HoverEvent.java b/src/main/java/net/minecraft/network/chat/HoverEvent.java
index d38562b518b28ba4617d39e4587c7fa72859ab11..454e73bbcf449561e18bb8565932872c5a62a6e1 100644
--- a/src/main/java/net/minecraft/network/chat/HoverEvent.java
+++ b/src/main/java/net/minecraft/network/chat/HoverEvent.java
@@ -79,7 +79,7 @@ public class HoverEvent {
if (jsonElement != null) {
return action.deserialize(jsonElement);
} else {
- Component component = Component.Serializer.fromJson(json.get("value"));
+ Component component = Component.Serializer.fromJsonSafe(json.get("value")); // Scissors - Use safer method for getting Components from JSON
return component != null ? action.deserializeFromLegacy(component) : null;
}
}
@@ -94,7 +94,7 @@ public class HoverEvent {
}
public static class Action<T> {
- public static final HoverEvent.Action<Component> SHOW_TEXT = new HoverEvent.Action<>("show_text", true, Component.Serializer::fromJson, Component.Serializer::toJsonTree, Function.identity());
+ public static final HoverEvent.Action<Component> SHOW_TEXT = new HoverEvent.Action<>("show_text", true, Component.Serializer::fromJsonSafe, Component.Serializer::toJsonTree, Function.identity()); // Scissors - Use safer method for getting Components from JSON
public static final HoverEvent.Action<HoverEvent.ItemStackInfo> SHOW_ITEM = new HoverEvent.Action<>("show_item", true, HoverEvent.ItemStackInfo::create, HoverEvent.ItemStackInfo::serialize, HoverEvent.ItemStackInfo::create);
public static final HoverEvent.Action<HoverEvent.EntityTooltipInfo> SHOW_ENTITY = new HoverEvent.Action<>("show_entity", true, HoverEvent.EntityTooltipInfo::create, HoverEvent.EntityTooltipInfo::serialize, HoverEvent.EntityTooltipInfo::create);
private static final Map<String, HoverEvent.Action<?>> LOOKUP = Stream.of(SHOW_TEXT, SHOW_ITEM, SHOW_ENTITY).collect(ImmutableMap.toImmutableMap(HoverEvent.Action::getName, (action) -> {
@@ -182,7 +182,7 @@ public class HoverEvent {
return null;
}
// Scissors end
- Component component = Component.Serializer.fromJson(jsonObject.get("name"));
+ Component component = Component.Serializer.fromJsonSafe(jsonObject.get("name")); // Scissors - Use safer method for getting Components from JSON
return new HoverEvent.EntityTooltipInfo(entityType, uUID, component);
}
}
@@ -191,7 +191,7 @@ public class HoverEvent {
public static HoverEvent.EntityTooltipInfo create(Component text) {
try {
CompoundTag compoundTag = TagParser.parseTag(text.getString());
- Component component = Component.Serializer.fromJson(compoundTag.getString("name"));
+ Component component = Component.Serializer.fromJsonSafe(compoundTag.getString("name")); // Scissors - Use safer method for getting Components from JSON
EntityType<?> entityType = Registry.ENTITY_TYPE.get(new ResourceLocation(compoundTag.getString("type")));
// Scissors start
UUID uUID;
diff --git a/src/main/java/net/minecraft/network/chat/contents/NbtContents.java b/src/main/java/net/minecraft/network/chat/contents/NbtContents.java
index 97a2657bc98d41c3c1e376b266d2c85f685acc88..7b6476455e095eed15c92797ce3a3e1146dbdc3f 100644
--- a/src/main/java/net/minecraft/network/chat/contents/NbtContents.java
+++ b/src/main/java/net/minecraft/network/chat/contents/NbtContents.java
@@ -8,6 +8,7 @@ import java.util.Optional;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import javax.annotation.Nullable;
+import net.kyori.adventure.text.TextComponent;
import net.minecraft.commands.CommandSourceStack;
import net.minecraft.commands.arguments.NbtPathArgument;
import net.minecraft.nbt.Tag;
@@ -107,10 +108,11 @@ public class NbtContents implements ComponentContents {
Component component = DataFixUtils.orElse(ComponentUtils.updateForEntity(source, this.separator, sender, depth), ComponentUtils.DEFAULT_NO_STYLE_SEPARATOR);
return stream.flatMap((text) -> {
try {
- MutableComponent mutableComponent = Component.Serializer.fromJson(text);
+ MutableComponent mutableComponent = Component.Serializer.fromJsonSafe(text); // Scissors
return Stream.of(ComponentUtils.updateForEntity(source, mutableComponent, sender, depth));
} catch (Exception var5) {
- LOGGER.warn("Failed to parse component: {}", text, var5);
+ // Scissors - don't log
+ // LOGGER.warn("Failed to parse component: {}", text, var5);
return Stream.of();
}
}).reduce((accumulator, current) -> {
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 89cecb3603b41ae22efc54a9f2858a6f60e52148..5ed67adfbc193dfd8c8cd0daf89f2a3f7d641ace 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -2298,12 +2298,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
this.setRot(this.getYRot(), this.getXRot());
if (nbt.contains("CustomName", 8)) {
String s = nbt.getString("CustomName");
-
- try {
- this.setCustomName(Component.Serializer.fromJson(s));
- } catch (Exception exception) {
- Entity.LOGGER.warn("Failed to parse entity custom name {}", s, exception);
- }
+ this.setCustomName(Component.Serializer.fromJsonSafe(s)); // Scissors - Use safer method for getting Components from JSON
}
this.setCustomNameVisible(nbt.getBoolean("CustomNameVisible"));
diff --git a/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
index 5f6eeb36f57bd342b18590c8f0ffb668d2bf273c..5ae750a2f12917ecddb0c14c23e6b02735385599 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
@@ -408,7 +408,7 @@ public class BeaconBlockEntity extends BlockEntity implements MenuProvider {
this.levels = nbt.getInt("Levels"); // SPIGOT-5053, use where available
// CraftBukkit end
if (nbt.contains("CustomName", 8)) {
- this.name = net.minecraft.server.MCUtil.getBaseComponentFromNbt("CustomName", nbt); // Paper - Catch ParseException
+ this.name = Component.Serializer.fromJsonSafe(nbt.getString("CustomName")); // Scissors - Use safer method for getting Components from JSON
}
this.lockKey = LockCode.fromTag(nbt);
diff --git a/src/main/java/net/minecraft/world/level/block/entity/EnchantmentTableBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/EnchantmentTableBlockEntity.java
index 2341a5a249d455628165fc6ba508fc6d70c3dbfb..3e23451066894ebd88cad7022970cb2c0e9b75db 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/EnchantmentTableBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/EnchantmentTableBlockEntity.java
@@ -42,7 +42,7 @@ public class EnchantmentTableBlockEntity extends BlockEntity implements Nameable
public void load(CompoundTag nbt) {
super.load(nbt);
if (nbt.contains("CustomName", 8)) {
- this.name = net.minecraft.server.MCUtil.getBaseComponentFromNbt("CustomName", nbt); // Paper - Catch ParseException
+ this.name = Component.Serializer.fromJsonSafe(nbt.getString("CustomName")); // Scissors - Use safer method for getting Components from JSON
}
}
diff --git a/src/main/java/net/minecraft/world/scores/ScoreboardSaveData.java b/src/main/java/net/minecraft/world/scores/ScoreboardSaveData.java
index 2be7a697f08045b974579e6942b38571e744efac..84ec21c38bb44db1e9ff26c01d5c8af1a2417616 100644
--- a/src/main/java/net/minecraft/world/scores/ScoreboardSaveData.java
+++ b/src/main/java/net/minecraft/world/scores/ScoreboardSaveData.java
@@ -35,7 +35,7 @@ public class ScoreboardSaveData extends SavedData {
CompoundTag compoundTag = nbt.getCompound(i);
String string = compoundTag.getString("Name");
PlayerTeam playerTeam = this.scoreboard.addPlayerTeam(string);
- Component component = Component.Serializer.fromJson(compoundTag.getString("DisplayName"));
+ Component component = Component.Serializer.fromJsonSafe(compoundTag.getString("DisplayName")); // Scissors - Use safer method for getting Components from JSON
if (component != null) {
playerTeam.setDisplayName(component);
}
@@ -53,14 +53,14 @@ public class ScoreboardSaveData extends SavedData {
}
if (compoundTag.contains("MemberNamePrefix", 8)) {
- Component component2 = Component.Serializer.fromJson(compoundTag.getString("MemberNamePrefix"));
+ Component component2 = Component.Serializer.fromJsonSafe(compoundTag.getString("MemberNamePrefix")); // Scissors - Use safer method for getting Components from JSON
if (component2 != null) {
playerTeam.setPlayerPrefix(component2);
}
}
if (compoundTag.contains("MemberNameSuffix", 8)) {
- Component component3 = Component.Serializer.fromJson(compoundTag.getString("MemberNameSuffix"));
+ Component component3 = Component.Serializer.fromJsonSafe(compoundTag.getString("MemberNameSuffix")); // Scissors - Use safer method for getting Components from JSON
if (component3 != null) {
playerTeam.setPlayerSuffix(component3);
}
@@ -115,7 +115,7 @@ public class ScoreboardSaveData extends SavedData {
CompoundTag compoundTag = nbt.getCompound(i);
ObjectiveCriteria.byName(compoundTag.getString("CriteriaName")).ifPresent((criterion) -> {
String string = compoundTag.getString("Name");
- Component component = Component.Serializer.fromJson(compoundTag.getString("DisplayName"));
+ Component component = Component.Serializer.fromJsonSafe(compoundTag.getString("DisplayName")); // Scissors - Use safer method for getting Components from JSON
ObjectiveCriteria.RenderType renderType = ObjectiveCriteria.RenderType.byId(compoundTag.getString("RenderType"));
this.scoreboard.addObjective(string, criterion, component, renderType);
});