2022-04-22 06:31:04 +00:00
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Telesphoreo <me@telesphoreo.me>
Date: Fri, 22 Apr 2022 01:26:55 -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 984105c226f16746b43bb2d2932e0b87f3a6a70c..faa41d102c06b52bc758ebe3484820376c482093 100644
--- a/src/main/java/net/minecraft/network/chat/Component.java
+++ b/src/main/java/net/minecraft/network/chat/Component.java
@@ -24,6 +24,8 @@ 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.resources.ResourceLocation;
import net.minecraft.util.FormattedCharSequence;
@@ -427,6 +429,26 @@ public interface Component extends Message, FormattedText, Iterable<Component> {
return Component.Serializer.GSON.toJsonTree(text);
}
+ // Scissors start
+ @Nullable
+ public static MutableComponent fromJsonSafe(String json) {
+ try {
+ return fromJson(json);
+ } catch (Exception ex) {
+ return new TextComponent("** Invalid JSON Component **").withStyle(ChatFormatting.RED);
+ }
+ }
+
+ @Nullable
+ public static MutableComponent fromJsonSafe(JsonElement json) {
+ try {
+ return fromJson(json);
+ } catch (Exception ex) {
+ return new TextComponent("** Invalid JSON Component **").withStyle(ChatFormatting.RED);
+ }
+ }
+ // Scissors end
+
@Nullable
public static MutableComponent fromJson(String json) {
return (MutableComponent) GsonHelper.fromJson(Component.Serializer.GSON, json, MutableComponent.class, false);
diff --git a/src/main/java/net/minecraft/network/chat/HoverEvent.java b/src/main/java/net/minecraft/network/chat/HoverEvent.java
index 63dbbc0f027ab66d183f81d6a8e0f9e0b85ea562..21ee39172b3efb6414d1cf8fbf36cd463194abab 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/NbtComponent.java b/src/main/java/net/minecraft/network/chat/NbtComponent.java
index e3dc56de3f91e03b1543257f72448a734d914ed7..f518e47818a47be0dfd7cccc4845ba9736c6cd8b 100644
--- a/src/main/java/net/minecraft/network/chat/NbtComponent.java
+++ b/src/main/java/net/minecraft/network/chat/NbtComponent.java
@@ -78,13 +78,14 @@ public abstract class NbtComponent extends BaseComponent implements ContextAware
if (this.interpreting) {
Component component = DataFixUtils.orElse(ComponentUtils.updateForEntity(source, this.separator, sender, depth), ComponentUtils.DEFAULT_NO_STYLE_SEPARATOR);
return stream.flatMap((text) -> {
+ // Scissors start - Use safer method for getting Components from JSON
try {
- MutableComponent mutableComponent = Component.Serializer.fromJson(text);
+ MutableComponent mutableComponent = Component.Serializer.fromJsonSafe(text);
return Stream.of(ComponentUtils.updateForEntity(source, mutableComponent, sender, depth));
} catch (Exception var5) {
- LOGGER.warn("Failed to parse component: {}", text, var5);
return Stream.of();
}
+ // Scissors end
}).reduce((accumulator, current) -> {
return accumulator.append(component).append(current);
}).orElseGet(() -> {
@@ -95,7 +96,7 @@ public abstract class NbtComponent extends BaseComponent implements ContextAware
return stream.map((string) -> {
return new TextComponent(string);
}).reduce((accumulator, current) -> {
- return accumulator.append(text).append(current);
+ return (TextComponent) accumulator.append(text).append(current);
}).orElseGet(() -> {
return new TextComponent("");
});
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
2022-06-03 01:54:29 +00:00
index dfd1f37757af1bd808cc2e2d8bf97123adf638bb..876e8f83fab4e255959948e59cabf05478446e4d 100644
2022-04-22 06:31:04 +00:00
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
2022-06-03 01:54:29 +00:00
@@ -2215,12 +2215,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
2022-04-22 06:31:04 +00:00
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 8d5c9813010a0256bd2712a1eabbc91f0f473a41..6ec48f834f5fef8678c690fd5d1ea530ebd2720f 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
@@ -402,7 +402,7 @@ 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 1eccf9424bd8a4bcbeed4ebb1795fd113fe5af18..fcc3d2fbc679fdb70da27d20d19380fa238ba7ea 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
@@ -43,7 +43,7 @@ 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 0efb63d1a4cefede25712daf9cea0f5c3256980f..07fe4043184eda6fa11e0680930100eb914f64c1 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);
});
