Mirrors/ViaVersion
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Mirror von https://github.com/ViaVersion/ViaVersion.git synchronisiert 2024-12-27 08:30:09 +01:00
Code Issues Releases Aktivität

Apply network limits

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Dieser Commit ist enthalten in:
Nassim Jahnke 2024-04-07 11:41:19 +02:00
Ursprung 68c2af2795
Commit 06394c1f74
Es konnte kein GPG-Schlüssel zu dieser Signatur gefunden werden
GPG-Schlüssel-ID: EF6771C01F6EF02F
1 geänderte Dateien mit 39 neuen und 11 gelöschten Zeilen
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common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_5to1_20_3/rewriter/BlockItemPacketRewriter1_20_5.java
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@ -103,6 +103,8 @@ import java.util.UUID;
import java.util.logging.Level;
import org.checkerframework.checker.nullness.qual.Nullable;
import static com.viaversion.viaversion.util.MathUtil.clamp;
public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<ClientboundPacket1_20_3, ServerboundPacket1_20_5, Protocol1_20_5To1_20_3> {
public static final String[] MOB_TAGS = {"NoAI", "Silent", "NoGravity", "Glowing", "Invulnerable", "Health", "Age", "Variant", "HuntingCooldown", "BucketVariantTag"};
@ -461,12 +463,12 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
final IntTag maxStackSize = backupTag.getIntTag("max_stack_size");
if (maxStackSize != null) {
data.set(StructuredDataKey.MAX_STACK_SIZE, maxStackSize.asInt());
data.set(StructuredDataKey.MAX_STACK_SIZE, clamp(maxStackSize.asInt(), 1, 99));
}
final IntTag maxDamage = backupTag.getIntTag("max_damage");
if (maxDamage != null) {
data.set(StructuredDataKey.MAX_DAMAGE, maxDamage.asInt());
data.set(StructuredDataKey.MAX_DAMAGE, Math.max(maxDamage.asInt(), 1));
}
final IntTag rarity = backupTag.getIntTag("rarity");
@ -480,7 +482,7 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
final IntTag ominousBottleAmplifier = backupTag.getIntTag("ominous_bottle_amplifier");
if (ominousBottleAmplifier != null) {
data.set(StructuredDataKey.OMINOUS_BOTTLE_AMPLIFIER, ominousBottleAmplifier.asInt());
data.set(StructuredDataKey.OMINOUS_BOTTLE_AMPLIFIER, clamp(ominousBottleAmplifier.asInt(), 0, 4));
}
}
@ -766,7 +768,7 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
final int flightDuration = fireworksTag.getInt("Flight");
final Fireworks fireworks = new Fireworks(
flightDuration,
explosionsTag.stream().map(this::readExplosion).toArray(FireworkExplosion[]::new)
explosionsTag.stream().limit(256).map(this::readExplosion).toArray(FireworkExplosion[]::new)
);
data.set(StructuredDataKey.FIREWORKS, fireworks);
}
@ -827,11 +829,15 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
if (filteredPagesTag != null) {
final StringTag filteredPage = filteredPagesTag.getStringTag(String.valueOf(i));
if (filteredPage != null) {
filtered = filteredPage.getValue();
filtered = limit(filteredPage.getValue(), 1024);
}
}
pages.add(new FilterableString(page.getValue(), filtered));
pages.add(new FilterableString(limit(page.getValue(), 1024), filtered));
if (pages.size() == 100) {
// Network limit
break;
}
}
data.set(StructuredDataKey.WRITABLE_BOOK_CONTENT, pages.toArray(new FilterableString[0]));
}
@ -856,6 +862,11 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
final Tag parsedPage = ComponentUtil.jsonStringToTag(page.getValue());
pages.add(new FilterableComponent(parsedPage, filtered));
if (pages.size() == 100) {
// Network limit
break;
}
}
final String title = tag.getString("title", "");
@ -864,7 +875,7 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
final int generation = tag.getInt("generation");
final boolean resolved = tag.getBoolean("resolved");
final WrittenBook writtenBook = new WrittenBook(
new FilterableString(title, filteredTitle),
new FilterableString(limit(title, 32), limit(filteredTitle, 32)),
author,
generation,
pages.toArray(new FilterableComponent[0]),
@ -876,7 +887,7 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
private void updateItemList(final StructuredDataContainer data, final CompoundTag tag, final String key, final StructuredDataKey<Item[]> dataKey) {
final ListTag<CompoundTag> itemsTag = tag.getListTag(key, CompoundTag.class);
if (itemsTag != null) {
final Item[] items = itemsTag.stream().map(this::itemFromTag).filter(Objects::nonNull).toArray(Item[]::new);
final Item[] items = itemsTag.stream().limit(256).map(this::itemFromTag).filter(Objects::nonNull).toArray(Item[]::new);
data.set(dataKey, items);
}
}
@ -947,10 +958,17 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
if (propertiesTag != null) {
updateProperties(propertiesTag, properties);
}
data.set(StructuredDataKey.PROFILE, new GameProfile(name, uuid, properties.toArray(EMPTY_PROPERTIES)));
data.set(StructuredDataKey.PROFILE, new GameProfile(limit(name, 16), uuid, properties.toArray(EMPTY_PROPERTIES)));
}
}
private @Nullable String limit(@Nullable final String s, final int length) {
if (s == null) {
return null;
}
return s.length() > length ? s.substring(0, length) : s;
}
private void updateBees(final StructuredDataContainer data, final ListTag<CompoundTag> beesTag) {
final Bee[] bees = beesTag.stream().map(bee -> {
final CompoundTag entityData = bee.getCompoundTag("EntityData");
@ -981,7 +999,16 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
final CompoundTag compoundTag = (CompoundTag) propertyTag;
final String value = compoundTag.getString("Value", "");
final String signature = compoundTag.getString("Signature");
properties.add(new GameProfile.Property(entry.getKey(), value, signature));
properties.add(new GameProfile.Property(
limit(entry.getKey(), 64),
value,
limit(signature, 1024)
));
if (properties.size() == 16) {
// Max 16 properties
return;
}
}
}
}
@ -1023,7 +1050,8 @@ public final class BlockItemPacketRewriter1_20_5 extends ItemRewriter<Clientboun
final ListTag<StringTag> loreTag = displayTag.getListTag("Lore", StringTag.class);
if (loreTag != null) {
data.set(StructuredDataKey.LORE, loreTag.stream().map(t -> ComponentUtil.jsonStringToTag(t.getValue())).toArray(Tag[]::new));
// Apply limit as per new network codec. Some servers send these lores to do trickery with shaders
data.set(StructuredDataKey.LORE, loreTag.stream().limit(256).map(t -> ComponentUtil.jsonStringToTag(t.getValue())).toArray(Tag[]::new));
}
final NumberTag colorTag = displayTag.getNumberTag("color");