Examples with NbtTagCompound com.ruinscraft.panilla.craftbukkit.v1_18_R1.nbt.NbtTagCompound used on opensource projects

Example 11 with NbtTagCompound

use of com.ruinscraft.panilla.craftbukkit.v1_18_R1.nbt.NbtTagCompound in project Panilla by ds58.

the class PacketInspector method checkPacketPlayOutWindowItems.

@Override
public void checkPacketPlayOutWindowItems(Object _packet) throws NbtNotPermittedException {
    if (_packet instanceof PacketPlayOutWindowItems) {
        PacketPlayOutWindowItems packet = (PacketPlayOutWindowItems) _packet;
        try {
            Field windowIdField = PacketPlayOutWindowItems.class.getDeclaredField("a");
            windowIdField.setAccessible(true);
            int windowId = (int) windowIdField.get(packet);
            // check if window is not player inventory
            if (windowId != 0) {
                return;
            }
            Field itemStacksField = PacketPlayOutWindowItems.class.getDeclaredField("c");
            itemStacksField.setAccessible(true);
            List<ItemStack> itemStacks = (List<ItemStack>) itemStacksField.get(packet);
            for (ItemStack itemStack : itemStacks) {
                if (itemStack == null || !itemStack.s()) {
                    continue;
                }
                NbtTagCompound tag = new NbtTagCompound(itemStack.t());
                String itemClass = itemStack.getClass().getSimpleName();
                String packetClass = packet.getClass().getSimpleName();
                // TODO: set slot?
                NbtChecks.checkPacketPlayOut(0, tag, itemClass, packetClass, panilla);
            }
        } catch (NoSuchFieldException | IllegalAccessException e) {
            e.printStackTrace();
        }
    }
}

Example 12 with NbtTagCompound

use of com.ruinscraft.panilla.craftbukkit.v1_18_R1.nbt.NbtTagCompound in project Panilla by ds58.

the class PacketInspector method checkPacketPlayOutSpawnEntity.

@Override
public void checkPacketPlayOutSpawnEntity(Object _packet) throws EntityNbtNotPermittedException {
    if (_packet instanceof PacketPlayOutSpawnEntity) {
        PacketPlayOutSpawnEntity packet = (PacketPlayOutSpawnEntity) _packet;
        try {
            Field typeField = PacketPlayOutSpawnEntity.class.getDeclaredField("d");
            typeField.setAccessible(true);
            UUID entityId = (UUID) typeField.get(packet);
            Entity entity = null;
            for (WorldServer worldServer : MinecraftServer.getServer().F()) {
                entity = worldServer.O.d().a(entityId);
                if (entity != null)
                    break;
            }
            if (entity != null) {
                if (entity instanceof EntityItem) {
                    EntityItem item = (EntityItem) entity;
                    if (item.h() == null) {
                        return;
                    }
                    if (!item.h().r()) {
                        return;
                    }
                    INbtTagCompound tag = new NbtTagCompound(item.h().t());
                    String itemName = item.h().c().a();
                    FailedNbt failedNbt = NbtChecks.checkAll(tag, itemName, panilla);
                    if (FailedNbt.fails(failedNbt)) {
                        throw new EntityNbtNotPermittedException(packet.getClass().getSimpleName(), false, failedNbt, entityId, entity.W().getWorld().getName());
                    }
                }
            }
        } catch (NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException e) {
            e.printStackTrace();
        }
    }
}

Example 13 with NbtTagCompound

use of com.ruinscraft.panilla.craftbukkit.v1_18_R1.nbt.NbtTagCompound in project Panilla by ds58.

the class PacketInspector method checkPacketPlayOutSetSlot.

@Override
public void checkPacketPlayOutSetSlot(Object _packet) throws NbtNotPermittedException {
    if (_packet instanceof PacketPlayOutSetSlot) {
        PacketPlayOutSetSlot packet = (PacketPlayOutSetSlot) _packet;
        try {
            Field windowIdField = PacketPlayOutSetSlot.class.getDeclaredField("c");
            windowIdField.setAccessible(true);
            int windowId = (int) windowIdField.get(packet);
            // check if window is not player inventory and we are ignoring non-player inventories
            if (windowId != 0 && panilla.getPConfig().ignoreNonPlayerInventories) {
                return;
            }
            Field slotField = PacketPlayOutSetSlot.class.getDeclaredField("e");
            Field itemStackField = PacketPlayOutSetSlot.class.getDeclaredField("f");
            slotField.setAccessible(true);
            itemStackField.setAccessible(true);
            int slot = (int) slotField.get(packet);
            ItemStack itemStack = (ItemStack) itemStackField.get(packet);
            if (itemStack == null || !itemStack.s()) {
                return;
            }
            NbtTagCompound tag = new NbtTagCompound(itemStack.t());
            String itemClass = itemStack.getClass().getSimpleName();
            String packetClass = packet.getClass().getSimpleName();
            NbtChecks.checkPacketPlayOut(slot, tag, itemClass, packetClass, panilla);
        } catch (NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException e) {
            e.printStackTrace();
        }
    }
}

Example 14 with NbtTagCompound

use of com.ruinscraft.panilla.craftbukkit.v1_18_R1.nbt.NbtTagCompound in project Panilla by ds58.

the class InventoryCleaner method clean.

@Override
public void clean(IPanillaPlayer player) {
    CraftPlayer craftPlayer = (CraftPlayer) player.getHandle();
    Container container = craftPlayer.getHandle().activeContainer;
    for (int slot = 0; slot < container.c.size(); slot++) {
        ItemStack itemStack = container.getSlot(slot).getItem();
        if (itemStack == null || !itemStack.hasTag()) {
            continue;
        }
        NBTTagCompound nmsTag = itemStack.getTag();
        INbtTagCompound tag = new NbtTagCompound(nmsTag);
        String itemName = itemStack.getItem().getName();
        if (nmsTag == null || itemName == null) {
            continue;
        }
        FailedNbt failedNbt = NbtChecks.checkAll(tag, itemName, panilla);
        if (FailedNbt.failsThreshold(failedNbt)) {
            container.getSlot(slot).getItem().setTag(null);
        } else if (FailedNbt.fails(failedNbt)) {
            nmsTag.remove(failedNbt.key);
            container.getSlot(slot).getItem().setTag(nmsTag);
        }
    }
}

Example 15 with NbtTagCompound

use of com.ruinscraft.panilla.craftbukkit.v1_18_R1.nbt.NbtTagCompound in project Panilla by ds58.

the class InventoryCleaner method clean.

@Override
public void clean(IPanillaPlayer player) {
    CraftPlayer craftPlayer = (CraftPlayer) player.getHandle();
    Container container = craftPlayer.getHandle().bV;
    for (int slot = 0; slot < container.i.size(); slot++) {
        ItemStack itemStack = container.getSlot(slot).getItem();
        if (itemStack == null || !itemStack.hasTag()) {
            continue;
        }
        NBTTagCompound nmsTag = itemStack.getTag();
        INbtTagCompound tag = new NbtTagCompound(nmsTag);
        String itemName = itemStack.getItem().getName();
        if (nmsTag == null || itemName == null) {
            continue;
        }
        FailedNbt failedNbt = NbtChecks.checkAll(tag, itemName, panilla);
        if (FailedNbt.failsThreshold(failedNbt)) {
            container.getSlot(slot).getItem().setTag(null);
        } else if (FailedNbt.fails(failedNbt)) {
            nmsTag.remove(failedNbt.key);
            container.getSlot(slot).getItem().setTag(nmsTag);
        }
    }
}