mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-19 01:14:13 +08:00
651 lines
23 KiB
C#
651 lines
23 KiB
C#
//! \file ArcNPK.cs
|
|
//! \date Sat Feb 06 06:07:52 2016
|
|
//! \brief Mware resource archive.
|
|
//
|
|
// Copyright (C) 2016 by morkt
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to
|
|
// deal in the Software without restriction, including without limitation the
|
|
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
// sell copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
// IN THE SOFTWARE.
|
|
//
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.ComponentModel.Composition;
|
|
using System.IO;
|
|
using System.IO.Compression;
|
|
using System.Security.Cryptography;
|
|
using System.Text;
|
|
using GameRes.Formats.Strings;
|
|
using GameRes.Utility;
|
|
|
|
namespace GameRes.Formats.NitroPlus
|
|
{
|
|
internal class NpkEntry : PackedEntry
|
|
{
|
|
public readonly List<NpkSegment> Segments = new List<NpkSegment>();
|
|
}
|
|
|
|
internal class NpkSegment
|
|
{
|
|
public long Offset;
|
|
public uint AlignedSize;
|
|
public uint Size;
|
|
public uint UnpackedSize;
|
|
public bool IsCompressed { get { return Size < UnpackedSize; } }
|
|
}
|
|
|
|
public class Npk2Options : ResourceOptions
|
|
{
|
|
public byte[] Key;
|
|
}
|
|
|
|
internal class NpkArchive : ArcFile
|
|
{
|
|
public readonly Aes Encryption;
|
|
|
|
public NpkArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, Aes enc)
|
|
: base (arc, impl, dir)
|
|
{
|
|
Encryption = enc;
|
|
}
|
|
|
|
#region IDisposable Members
|
|
bool _npk_disposed = false;
|
|
protected override void Dispose (bool disposing)
|
|
{
|
|
if (_npk_disposed)
|
|
return;
|
|
|
|
if (disposing)
|
|
Encryption.Dispose();
|
|
_npk_disposed = true;
|
|
base.Dispose (disposing);
|
|
}
|
|
#endregion
|
|
}
|
|
|
|
[Export(typeof(ArchiveFormat))]
|
|
public class NpkOpener : ArchiveFormat
|
|
{
|
|
public override string Tag { get { return "NPK"; } }
|
|
public override string Description { get { return "Mware engine resource archive"; } }
|
|
public override uint Signature { get { return 0x324B504E; } } // 'NPK2'
|
|
public override bool IsHierarchic { get { return true; } }
|
|
public override bool CanWrite { get { return true; } }
|
|
|
|
static Npk2Scheme DefaultScheme = new Npk2Scheme { KnownKeys = new Dictionary<string, byte[]>() };
|
|
internal Dictionary<string, byte[]> KnownKeys { get { return DefaultScheme.KnownKeys; } }
|
|
|
|
const uint DefaultSegmentSize = 0x10000;
|
|
static readonly Encoding DefaultEncoding = Encoding.UTF8;
|
|
|
|
public override ResourceScheme Scheme
|
|
{
|
|
get { return DefaultScheme; }
|
|
set { DefaultScheme = (Npk2Scheme)value; }
|
|
}
|
|
|
|
public override ArcFile TryOpen (ArcView file)
|
|
{
|
|
int count = file.View.ReadInt32 (0x18);
|
|
if (!IsSaneCount (count))
|
|
return null;
|
|
var key = QueryEncryption (file.Name);
|
|
if (null == key)
|
|
return null;
|
|
var aes = Aes.Create();
|
|
try
|
|
{
|
|
aes.Mode = CipherMode.CBC;
|
|
aes.Padding = PaddingMode.PKCS7;
|
|
aes.Key = key;
|
|
aes.IV = file.View.ReadBytes (8, 0x10);
|
|
uint index_size = file.View.ReadUInt32 (0x1C);
|
|
using (var decryptor = aes.CreateDecryptor())
|
|
using (var enc_index = file.CreateStream (0x20, index_size))
|
|
using (var dec_index = new CryptoStream (enc_index, decryptor, CryptoStreamMode.Read))
|
|
using (var index = new ArcView.Reader (dec_index))
|
|
{
|
|
var dir = ReadIndex (index, count, file.MaxOffset);
|
|
if (null == dir)
|
|
return null;
|
|
var arc = new NpkArchive (file, this, dir, aes);
|
|
aes = null; // object ownership passed to NpkArchive, don't dispose
|
|
return arc;
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
if (aes != null)
|
|
aes.Dispose();
|
|
}
|
|
}
|
|
|
|
List<Entry> ReadIndex (BinaryReader index, int count, long max_offset)
|
|
{
|
|
var name_buffer = new byte[0x104];
|
|
var dir = new List<Entry> (count);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
index.ReadByte();
|
|
int name_length = index.ReadUInt16();
|
|
if (0 == name_length || name_length > name_buffer.Length)
|
|
return null;
|
|
index.Read (name_buffer, 0, name_length);
|
|
var name = DefaultEncoding.GetString (name_buffer, 0, name_length);
|
|
var entry = FormatCatalog.Instance.Create<NpkEntry> (name);
|
|
entry.UnpackedSize = index.ReadUInt32();
|
|
index.Read (name_buffer, 0, 0x20); // skip
|
|
int segment_count = index.ReadInt32();
|
|
if (segment_count < 0)
|
|
return null;
|
|
if (0 == segment_count)
|
|
{
|
|
entry.Offset = 0;
|
|
dir.Add (entry);
|
|
continue;
|
|
}
|
|
entry.Segments.Capacity = segment_count;
|
|
uint packed_size = 0;
|
|
bool is_packed = false;
|
|
for (int j = 0; j < segment_count; ++j)
|
|
{
|
|
var segment = new NpkSegment();
|
|
segment.Offset = index.ReadInt64();
|
|
segment.AlignedSize = index.ReadUInt32();
|
|
segment.Size = index.ReadUInt32();
|
|
segment.UnpackedSize = index.ReadUInt32();
|
|
entry.Segments.Add (segment);
|
|
packed_size += segment.AlignedSize;
|
|
is_packed = is_packed || segment.IsCompressed;
|
|
}
|
|
entry.Offset = entry.Segments[0].Offset;
|
|
entry.Size = packed_size;
|
|
entry.IsPacked = is_packed;
|
|
if (!entry.CheckPlacement (max_offset))
|
|
return null;
|
|
dir.Add (entry);
|
|
}
|
|
return dir;
|
|
}
|
|
|
|
public override Stream OpenEntry (ArcFile arc, Entry entry)
|
|
{
|
|
if (0 == entry.Size)
|
|
return Stream.Null;
|
|
var narc = arc as NpkArchive;
|
|
var nent = entry as NpkEntry;
|
|
if (null == narc || null == nent)
|
|
return base.OpenEntry (arc, entry);
|
|
|
|
if (1 == nent.Segments.Count && !nent.IsPacked)
|
|
{
|
|
var input = narc.File.CreateStream (nent.Segments[0].Offset, nent.Segments[0].AlignedSize);
|
|
var decryptor = narc.Encryption.CreateDecryptor();
|
|
return new InputCryptoStream (input, decryptor);
|
|
}
|
|
return new NpkStream (narc, nent);
|
|
}
|
|
|
|
public override ResourceOptions GetDefaultOptions ()
|
|
{
|
|
return new Npk2Options { Key = GetKey (Properties.Settings.Default.NPKScheme) };
|
|
}
|
|
|
|
public override object GetAccessWidget ()
|
|
{
|
|
return new GUI.WidgetNPK (KnownKeys.Keys);
|
|
}
|
|
|
|
public override object GetCreationWidget ()
|
|
{
|
|
return new GUI.WidgetNPK (KnownKeys.Keys);
|
|
}
|
|
|
|
byte[] QueryEncryption (string arc_name)
|
|
{
|
|
byte[] key = null;
|
|
var title = FormatCatalog.Instance.LookupGame (arc_name);
|
|
if (!string.IsNullOrEmpty (title))
|
|
key = GetKey (title);
|
|
if (null == key)
|
|
{
|
|
var options = Query<Npk2Options> (arcStrings.ArcEncryptedNotice);
|
|
key = options.Key;
|
|
}
|
|
return key;
|
|
}
|
|
|
|
byte[] GetKey (string title)
|
|
{
|
|
byte[] key;
|
|
KnownKeys.TryGetValue (title, out key);
|
|
return key;
|
|
}
|
|
|
|
public override void Create (Stream output, IEnumerable<Entry> list, ResourceOptions options,
|
|
EntryCallback callback)
|
|
{
|
|
var npk_options = GetOptions<Npk2Options> (options);
|
|
if (null == npk_options.Key)
|
|
throw new InvalidEncryptionScheme();
|
|
|
|
var enc = DefaultEncoding.WithFatalFallback();
|
|
int index_length = 0;
|
|
var dir = new List<NpkStoredEntry>();
|
|
foreach (var entry in list)
|
|
{
|
|
var ext = Path.GetExtension (entry.Name).ToLowerInvariant();
|
|
var npk_entry = new NpkStoredEntry
|
|
{
|
|
Name = entry.Name,
|
|
RawName = enc.GetBytes (entry.Name.Replace ('\\', '/')),
|
|
IsSolid = SolidFiles.Contains (ext),
|
|
IsPacked = !DisableCompression.Contains (ext),
|
|
};
|
|
int segment_count = 1;
|
|
if (!npk_entry.IsSolid)
|
|
segment_count = (int)(((long)entry.Size + DefaultSegmentSize-1) / DefaultSegmentSize);
|
|
index_length += 3 + npk_entry.RawName.Length + 0x28 + segment_count * 0x14;
|
|
dir.Add (npk_entry);
|
|
}
|
|
index_length = (index_length + 0xF) & ~0xF;
|
|
|
|
int callback_count = 0;
|
|
using (var aes = Aes.Create())
|
|
{
|
|
aes.Mode = CipherMode.CBC;
|
|
aes.Padding = PaddingMode.PKCS7;
|
|
aes.Key = npk_options.Key;
|
|
aes.IV = GenerateAesIV();
|
|
output.Position = 0x20 + index_length;
|
|
foreach (var entry in dir)
|
|
{
|
|
if (null != callback)
|
|
callback (callback_count++, entry, arcStrings.MsgAddingFile);
|
|
|
|
using (var writer = new NpkWriter (entry, output, aes))
|
|
writer.Write (DefaultSegmentSize);
|
|
}
|
|
output.Position = 0;
|
|
var buffer = new byte[] { (byte)'N', (byte)'P', (byte)'K', (byte)'2', 1, 0, 0, 0 };
|
|
output.Write (buffer, 0, 8);
|
|
output.Write (aes.IV, 0, 0x10);
|
|
LittleEndian.Pack (dir.Count, buffer, 0);
|
|
LittleEndian.Pack (index_length, buffer, 4);
|
|
output.Write (buffer, 0, 8);
|
|
|
|
using (var encryptor = aes.CreateEncryptor())
|
|
using (var proxy = new ProxyStream (output, true))
|
|
using (var index_stream = new CryptoStream (proxy, encryptor, CryptoStreamMode.Write))
|
|
using (var index = new BinaryWriter (index_stream))
|
|
{
|
|
if (null != callback)
|
|
callback (callback_count++, null, arcStrings.MsgWritingIndex);
|
|
foreach (var entry in dir)
|
|
{
|
|
index.Write (entry.IsSolid); // 0 -> segmentation enabled, 1 -> no segmentation
|
|
index.Write ((short)entry.RawName.Length);
|
|
index.Write (entry.RawName);
|
|
index.Write (entry.UnpackedSize);
|
|
index.Write (entry.CheckSum);
|
|
index.Write (entry.Segments.Count);
|
|
foreach (var segment in entry.Segments)
|
|
{
|
|
index.Write (segment.Offset);
|
|
index.Write (segment.AlignedSize);
|
|
index.Write (segment.Size);
|
|
index.Write (segment.UnpackedSize);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
byte[] GenerateAesIV ()
|
|
{
|
|
using (var rng = new RNGCryptoServiceProvider())
|
|
{
|
|
var iv = new byte[0x10];
|
|
rng.GetBytes (iv);
|
|
return iv;
|
|
}
|
|
}
|
|
|
|
static readonly HashSet<string> SolidFiles = new HashSet<string> { ".png", ".jpg" };
|
|
static readonly HashSet<string> DisableCompression = new HashSet<string> { ".png", ".jpg", ".ogg" };
|
|
}
|
|
|
|
internal class NpkStoredEntry : NpkEntry
|
|
{
|
|
public byte[] RawName;
|
|
public byte[] CheckSum;
|
|
public bool IsSolid;
|
|
}
|
|
|
|
internal sealed class NpkWriter : IDisposable
|
|
{
|
|
NpkStoredEntry m_entry;
|
|
FileStream m_input;
|
|
Stream m_archive;
|
|
CryptoStream m_checksum_stream;
|
|
Aes m_aes;
|
|
long m_remaining;
|
|
byte[] m_buffer;
|
|
|
|
public NpkWriter (NpkStoredEntry entry, Stream archive, Aes aes)
|
|
{
|
|
m_input = File.OpenRead (entry.Name);
|
|
m_archive = archive;
|
|
m_entry = entry;
|
|
m_aes = aes;
|
|
m_buffer = null;
|
|
}
|
|
|
|
static readonly byte[] EmptyFileHash = GetDefaultHash();
|
|
|
|
public void Write (uint segment_size)
|
|
{
|
|
long input_size = m_input.Length;
|
|
if (input_size > uint.MaxValue)
|
|
throw new FileSizeException();
|
|
m_entry.Offset = m_archive.Position;
|
|
m_entry.Size = m_entry.UnpackedSize = (uint)input_size;
|
|
if (0 == m_entry.Size)
|
|
{
|
|
m_entry.CheckSum = EmptyFileHash;
|
|
return;
|
|
}
|
|
if (!m_entry.IsSolid)
|
|
m_buffer = new byte[segment_size];
|
|
else if (input_size > segment_size)
|
|
segment_size = (uint)input_size;
|
|
|
|
using (var sha256 = SHA256.Create())
|
|
using (m_checksum_stream = new CryptoStream (Stream.Null, sha256, CryptoStreamMode.Write))
|
|
{
|
|
m_remaining = input_size;
|
|
int segment_count = (int)((input_size + segment_size - 1) / segment_size);
|
|
m_entry.Segments.Clear();
|
|
m_entry.Segments.Capacity = segment_count;
|
|
for (int i = 0; i < segment_count; ++i)
|
|
{
|
|
int chunk_size = (int)Math.Min (m_remaining, segment_size);
|
|
bool should_compress = m_entry.IsPacked && chunk_size > 2;
|
|
var file_pos = m_input.Position;
|
|
var segment = WriteSegment (chunk_size, should_compress);
|
|
if (should_compress && !segment.IsCompressed)
|
|
{
|
|
// compressed segment is larger than uncompressed, rewrite
|
|
m_input.Position = file_pos;
|
|
m_archive.Position = segment.Offset;
|
|
RewriteSegment (segment, chunk_size);
|
|
m_archive.SetLength (m_archive.Position);
|
|
}
|
|
m_entry.Segments.Add (segment);
|
|
m_remaining -= segment.UnpackedSize;
|
|
}
|
|
m_checksum_stream.FlushFinalBlock();
|
|
m_entry.CheckSum = sha256.Hash;
|
|
}
|
|
}
|
|
|
|
NpkSegment WriteSegment (int chunk_size, bool compress)
|
|
{
|
|
var segment = new NpkSegment { Offset = m_archive.Position };
|
|
using (var proxy = new ProxyStream (m_archive, true))
|
|
using (var encryptor = m_aes.CreateEncryptor())
|
|
{
|
|
Stream output = new CryptoStream (proxy, encryptor, CryptoStreamMode.Write);
|
|
var measure = new CountedStream (output);
|
|
output = measure;
|
|
if (compress)
|
|
output = new DeflateStream (output, CompressionLevel.Optimal);
|
|
using (output)
|
|
{
|
|
if (m_remaining == chunk_size)
|
|
{
|
|
var file_pos = m_input.Position;
|
|
m_input.CopyTo (output);
|
|
m_input.Position = file_pos;
|
|
m_input.CopyTo (m_checksum_stream);
|
|
}
|
|
else
|
|
{
|
|
chunk_size = m_input.Read (m_buffer, 0, chunk_size);
|
|
output.Write (m_buffer, 0, chunk_size);
|
|
m_checksum_stream.Write (m_buffer, 0, chunk_size);
|
|
}
|
|
}
|
|
segment.UnpackedSize = (uint)chunk_size;
|
|
segment.Size = (uint)measure.Count;
|
|
segment.AlignedSize = (uint)(m_archive.Position - segment.Offset);
|
|
return segment;
|
|
}
|
|
}
|
|
|
|
void RewriteSegment (NpkSegment segment, int chunk_size)
|
|
{
|
|
using (var proxy = new ProxyStream (m_archive, true))
|
|
using (var encryptor = m_aes.CreateEncryptor())
|
|
using (var output = new CryptoStream (proxy, encryptor, CryptoStreamMode.Write))
|
|
{
|
|
if (m_remaining == chunk_size)
|
|
{
|
|
m_input.CopyTo (output);
|
|
}
|
|
else
|
|
{
|
|
chunk_size = m_input.Read (m_buffer, 0, chunk_size);
|
|
output.Write (m_buffer, 0, chunk_size);
|
|
}
|
|
}
|
|
segment.UnpackedSize = segment.Size = (uint)chunk_size;
|
|
segment.AlignedSize = (uint)(m_archive.Position - segment.Offset);
|
|
}
|
|
|
|
static byte[] GetDefaultHash ()
|
|
{
|
|
using (var sha256 = SHA256.Create())
|
|
return sha256.ComputeHash (new byte[0]);
|
|
}
|
|
|
|
bool _disposed = false;
|
|
public void Dispose ()
|
|
{
|
|
if (!_disposed)
|
|
{
|
|
m_input.Dispose();
|
|
_disposed = true;
|
|
}
|
|
GC.SuppressFinalize (this);
|
|
}
|
|
}
|
|
|
|
internal class NpkStream : Stream
|
|
{
|
|
ArcView m_file;
|
|
Aes m_encryption;
|
|
IEnumerator<NpkSegment> m_segment;
|
|
Stream m_stream;
|
|
bool m_eof = false;
|
|
|
|
public override bool CanRead { get { return m_stream != null && m_stream.CanRead; } }
|
|
public override bool CanSeek { get { return false; } }
|
|
public override bool CanWrite { get { return false; } }
|
|
|
|
public NpkStream (NpkArchive arc, NpkEntry entry)
|
|
{
|
|
m_file = arc.File;
|
|
m_encryption = arc.Encryption;
|
|
m_segment = entry.Segments.GetEnumerator();
|
|
NextSegment();
|
|
}
|
|
|
|
private void NextSegment ()
|
|
{
|
|
if (!m_segment.MoveNext())
|
|
{
|
|
m_eof = true;
|
|
return;
|
|
}
|
|
if (null != m_stream)
|
|
m_stream.Dispose();
|
|
var segment = m_segment.Current;
|
|
m_stream = m_file.CreateStream (segment.Offset, segment.AlignedSize);
|
|
var decryptor = m_encryption.CreateDecryptor();
|
|
m_stream = new InputCryptoStream (m_stream, decryptor);
|
|
if (segment.IsCompressed)
|
|
m_stream = new DeflateStream (m_stream, CompressionMode.Decompress);
|
|
}
|
|
|
|
public override int Read (byte[] buffer, int offset, int count)
|
|
{
|
|
int total = 0;
|
|
while (!m_eof && count > 0)
|
|
{
|
|
int read = m_stream.Read (buffer, offset, count);
|
|
if (0 != read)
|
|
{
|
|
total += read;
|
|
offset += read;
|
|
count -= read;
|
|
}
|
|
if (0 != count)
|
|
NextSegment();
|
|
}
|
|
return total;
|
|
}
|
|
|
|
public override int ReadByte ()
|
|
{
|
|
int b = -1;
|
|
while (!m_eof)
|
|
{
|
|
b = m_stream.ReadByte();
|
|
if (-1 != b)
|
|
break;
|
|
NextSegment();
|
|
}
|
|
return b;
|
|
}
|
|
|
|
#region IO.Stream members
|
|
public override long Length
|
|
{
|
|
get { throw new NotSupportedException ("NpkStream.Length not supported"); }
|
|
}
|
|
public override long Position
|
|
{
|
|
get { throw new NotSupportedException ("NpkStream.Position not supported."); }
|
|
set { throw new NotSupportedException ("NpkStream.Position not supported."); }
|
|
}
|
|
|
|
public override void Flush ()
|
|
{
|
|
}
|
|
|
|
public override long Seek (long offset, SeekOrigin origin)
|
|
{
|
|
throw new NotSupportedException ("NpkStream.Seek method is not supported");
|
|
}
|
|
|
|
public override void SetLength (long length)
|
|
{
|
|
throw new NotSupportedException ("NpkStream.SetLength method is not supported");
|
|
}
|
|
|
|
public override void Write (byte[] buffer, int offset, int count)
|
|
{
|
|
throw new NotSupportedException ("NpkStream.Write method is not supported");
|
|
}
|
|
|
|
public override void WriteByte (byte value)
|
|
{
|
|
throw new NotSupportedException("NpkStream.WriteByte method is not supported");
|
|
}
|
|
#endregion
|
|
|
|
#region IDisposable Members
|
|
bool _disposed = false;
|
|
protected override void Dispose (bool disposing)
|
|
{
|
|
if (!_disposed)
|
|
{
|
|
if (disposing)
|
|
{
|
|
if (null != m_stream)
|
|
m_stream.Dispose();
|
|
m_segment.Dispose();
|
|
}
|
|
_disposed = true;
|
|
base.Dispose (disposing);
|
|
}
|
|
}
|
|
#endregion
|
|
}
|
|
|
|
[Serializable]
|
|
public class Npk2Scheme : ResourceScheme
|
|
{
|
|
public Dictionary<string, byte[]> KnownKeys;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Filter stream that counts total bytes read/written.
|
|
/// </summary>
|
|
public class CountedStream : ProxyStream
|
|
{
|
|
long m_count;
|
|
|
|
public long Count { get { return m_count; } }
|
|
|
|
public CountedStream (Stream source, bool leave_open = false) : base (source, leave_open)
|
|
{
|
|
m_count = 0;
|
|
}
|
|
|
|
public override int Read (byte[] buffer, int offset, int count)
|
|
{
|
|
int read = BaseStream.Read (buffer, offset, count);
|
|
m_count += read;
|
|
return read;
|
|
}
|
|
|
|
public override int ReadByte ()
|
|
{
|
|
int b = BaseStream.ReadByte();
|
|
if (b != -1)
|
|
++m_count;
|
|
return b;
|
|
}
|
|
|
|
public override void Write (byte[] buffer, int offset, int count)
|
|
{
|
|
BaseStream.Write (buffer, offset, count);
|
|
m_count += count;
|
|
}
|
|
|
|
public override void WriteByte (byte b)
|
|
{
|
|
BaseStream.WriteByte (b);
|
|
++m_count;
|
|
}
|
|
}
|
|
}
|