Examples with NbtTagCompound com.ruinscraft.panilla.craftbukkit.v1_16_R1.nbt.NbtTagCompound used on opensource projects

Example 26 with NbtTagCompound

use of com.ruinscraft.panilla.craftbukkit.v1_16_R1.nbt.NbtTagCompound in project Panilla by ds58.

the class PacketInspector method checkPacketPlayOutSpawnEntity.

@Override
public void checkPacketPlayOutSpawnEntity(Object _packet) throws LegacyEntityNbtNotPermittedException {
    if (_packet instanceof PacketPlayOutSpawnEntity) {
        PacketPlayOutSpawnEntity packet = (PacketPlayOutSpawnEntity) _packet;
        try {
            Field idField = PacketPlayOutSpawnEntity.class.getDeclaredField("a");
            idField.setAccessible(true);
            int entityId = (int) idField.get(packet);
            Entity entity = getEntityById(entityId);
            if (entity != null) {
                if (entity instanceof EntityItem) {
                    EntityItem item = (EntityItem) entity;
                    if (item.getItemStack() == null) {
                        return;
                    }
                    if (!item.getItemStack().hasTag()) {
                        return;
                    }
                    INbtTagCompound tag = new NbtTagCompound(item.getItemStack().getTag());
                    String itemName = item.getItemStack().getItem().getName();
                    FailedNbt failedNbt = NbtChecks.checkAll(tag, itemName, panilla);
                    if (FailedNbt.fails(failedNbt)) {
                        throw new LegacyEntityNbtNotPermittedException(packet.getClass().getSimpleName(), false, failedNbt, entityId);
                    }
                }
            }
        } catch (NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException e) {
            e.printStackTrace();
        }
    }
}

Example 27 with NbtTagCompound

use of com.ruinscraft.panilla.craftbukkit.v1_16_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("b");
            itemStacksField.setAccessible(true);
            ItemStack[] itemStacks = (ItemStack[]) itemStacksField.get(packet);
            for (ItemStack itemStack : itemStacks) {
                if (itemStack == null || !itemStack.hasTag()) {
                    continue;
                }
                NbtTagCompound tag = new NbtTagCompound(itemStack.getTag());
                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 28 with NbtTagCompound

use of com.ruinscraft.panilla.craftbukkit.v1_16_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("b");
            typeField.setAccessible(true);
            UUID entityId = (UUID) typeField.get(packet);
            org.bukkit.entity.Entity bukkitEntity = org.bukkit.Bukkit.getEntity(entityId);
            CraftEntity craftEntity = (CraftEntity) bukkitEntity;
            if (craftEntity == null) {
                return;
            }
            Entity entity = craftEntity.getHandle();
            if (entity != null) {
                if (entity instanceof EntityItem) {
                    EntityItem item = (EntityItem) entity;
                    if (item.getItemStack() == null) {
                        return;
                    }
                    if (!item.getItemStack().hasTag()) {
                        return;
                    }
                    INbtTagCompound tag = new NbtTagCompound(item.getItemStack().getTag());
                    String itemName = item.getItemStack().getItem().getName();
                    FailedNbt failedNbt = NbtChecks.checkAll(tag, itemName, panilla);
                    if (FailedNbt.fails(failedNbt)) {
                        throw new EntityNbtNotPermittedException(packet.getClass().getSimpleName(), false, failedNbt, entityId, bukkitEntity.getWorld().getName());
                    }
                }
            }
        } catch (NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException e) {
            e.printStackTrace();
        }
    }
}

Example 29 with NbtTagCompound

use of com.ruinscraft.panilla.craftbukkit.v1_16_R1.nbt.NbtTagCompound in project Panilla by ds58.

the class PacketInspector method checkPacketPlayInSetCreativeSlot.

@Override
public void checkPacketPlayInSetCreativeSlot(Object _packet) throws NbtNotPermittedException {
    if (_packet instanceof PacketPlayInSetCreativeSlot) {
        PacketPlayInSetCreativeSlot packet = (PacketPlayInSetCreativeSlot) _packet;
        int slot = packet.a();
        ItemStack itemStack = packet.getItemStack();
        if (itemStack == null || !itemStack.hasTag())
            return;
        NbtTagCompound tag = new NbtTagCompound(itemStack.getTag());
        String itemClass = itemStack.getItem().getClass().getSimpleName();
        String packetClass = packet.getClass().getSimpleName();
        NbtChecks.checkPacketPlayIn(slot, tag, itemClass, packetClass, panilla);
    }
}

Example 30 with NbtTagCompound

use of com.ruinscraft.panilla.craftbukkit.v1_16_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("b");
            itemStacksField.setAccessible(true);
            List<ItemStack> itemStacks = (List<ItemStack>) itemStacksField.get(packet);
            for (ItemStack itemStack : itemStacks) {
                if (itemStack == null || !itemStack.hasTag()) {
                    continue;
                }
                NbtTagCompound tag = new NbtTagCompound(itemStack.getTag());
                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();
        }
    }
}