1021 lines
42 KiB
C#
1021 lines
42 KiB
C#
using Org.Brotli.Dec;
|
|
using System;
|
|
using System.Buffers.Binary;
|
|
using System.Collections.Generic;
|
|
using System.Data;
|
|
using System.Diagnostics;
|
|
using System.IO;
|
|
using System.IO.Compression;
|
|
using System.Linq;
|
|
using System.Security.Cryptography;
|
|
using System.Text;
|
|
using static AssetStudio.BundleFile;
|
|
using static AssetStudio.Crypto;
|
|
|
|
namespace AssetStudio
|
|
{
|
|
public static class ImportHelper
|
|
{
|
|
public static void MergeSplitAssets(string path, bool allDirectories = false)
|
|
{
|
|
Logger.Verbose($"Processing split assets (.splitX) prior to loading files...");
|
|
var splitFiles = Directory.GetFiles(path, "*.split0", allDirectories ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly);
|
|
Logger.Verbose($"Found {splitFiles.Length} split files, attempting to merge...");
|
|
foreach (var splitFile in splitFiles)
|
|
{
|
|
var destFile = Path.GetFileNameWithoutExtension(splitFile);
|
|
var destPath = Path.GetDirectoryName(splitFile);
|
|
var destFull = Path.Combine(destPath, destFile);
|
|
if (!File.Exists(destFull))
|
|
{
|
|
var splitParts = Directory.GetFiles(destPath, destFile + ".split*");
|
|
Logger.Verbose($"Creating {destFull} where split files will be combined");
|
|
using (var destStream = File.Create(destFull))
|
|
{
|
|
for (int i = 0; i < splitParts.Length; i++)
|
|
{
|
|
var splitPart = destFull + ".split" + i;
|
|
using (var sourceStream = File.OpenRead(splitPart))
|
|
{
|
|
sourceStream.CopyTo(destStream);
|
|
Logger.Verbose($"{splitPart} has been combined into {destFull}");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public static string[] ProcessingSplitFiles(List<string> selectFile)
|
|
{
|
|
Logger.Verbose("Filter out paths that has .split and has the same name");
|
|
var splitFiles = selectFile.Where(x => x.Contains(".split"))
|
|
.Select(x => Path.Combine(Path.GetDirectoryName(x), Path.GetFileNameWithoutExtension(x)))
|
|
.Distinct()
|
|
.ToList();
|
|
selectFile.RemoveAll(x => x.Contains(".split"));
|
|
foreach (var file in splitFiles)
|
|
{
|
|
if (File.Exists(file))
|
|
{
|
|
selectFile.Add(file);
|
|
}
|
|
}
|
|
return selectFile.Distinct().ToArray();
|
|
}
|
|
|
|
public static FileReader DecompressGZip(FileReader reader)
|
|
{
|
|
Logger.Verbose($"Decompressing GZip file {reader.FileName} into memory");
|
|
using (reader)
|
|
{
|
|
var stream = new MemoryStream();
|
|
using (var gs = new GZipStream(reader.BaseStream, CompressionMode.Decompress))
|
|
{
|
|
gs.CopyTo(stream);
|
|
}
|
|
stream.Position = 0;
|
|
return new FileReader(reader.FullPath, stream);
|
|
}
|
|
}
|
|
|
|
public static FileReader DecompressBrotli(FileReader reader)
|
|
{
|
|
Logger.Verbose($"Decompressing Brotli file {reader.FileName} into memory");
|
|
using (reader)
|
|
{
|
|
var stream = new MemoryStream();
|
|
using (var brotliStream = new BrotliInputStream(reader.BaseStream))
|
|
{
|
|
brotliStream.CopyTo(stream);
|
|
}
|
|
stream.Position = 0;
|
|
return new FileReader(reader.FullPath, stream);
|
|
}
|
|
}
|
|
|
|
public static FileReader DecryptPack(FileReader reader, Game game)
|
|
{
|
|
Logger.Verbose($"Attempting to decrypt file {reader.FileName} with Pack encryption");
|
|
|
|
const int PackSize = 0x880;
|
|
const string PackSignature = "pack";
|
|
const string UnityFSSignature = "UnityFS";
|
|
|
|
var data = reader.ReadBytes((int)reader.Length);
|
|
var packIdx = data.Search(PackSignature);
|
|
if (packIdx == -1)
|
|
{
|
|
Logger.Verbose($"Signature {PackSignature} was not found, aborting...");
|
|
reader.Position = 0;
|
|
return reader;
|
|
}
|
|
Logger.Verbose($"Found signature {PackSignature} at offset 0x{packIdx:X8}");
|
|
var mr0kIdx = data.Search("mr0k", packIdx);
|
|
if (mr0kIdx == -1)
|
|
{
|
|
Logger.Verbose("Signature mr0k was not found, aborting...");
|
|
reader.Position = 0;
|
|
return reader;
|
|
}
|
|
Logger.Verbose($"Found signature mr0k signature at offset 0x{mr0kIdx:X8}");
|
|
|
|
Logger.Verbose("Attempting to process pack chunks...");
|
|
var ms = new MemoryStream();
|
|
try
|
|
{
|
|
var mr0k = (Mr0k)game;
|
|
|
|
long readSize = 0;
|
|
long bundleSize = 0;
|
|
reader.Position = 0;
|
|
while (reader.Remaining > 0)
|
|
{
|
|
var pos = reader.Position;
|
|
var signature = reader.ReadStringToNull(4);
|
|
if (signature == PackSignature)
|
|
{
|
|
Logger.Verbose($"Found {PackSignature} chunk at position {reader.Position - PackSignature.Length}");
|
|
var isMr0k = reader.ReadBoolean();
|
|
Logger.Verbose("Chunk is mr0k encrypted");
|
|
var blockSize = BinaryPrimitives.ReadInt32LittleEndian(reader.ReadBytes(4));
|
|
|
|
Logger.Verbose($"Chunk size is 0x{blockSize:X8}");
|
|
Span<byte> buffer = new byte[blockSize];
|
|
reader.Read(buffer);
|
|
if (isMr0k)
|
|
{
|
|
buffer = Mr0kUtils.Decrypt(buffer, mr0k);
|
|
}
|
|
ms.Write(buffer);
|
|
|
|
if (bundleSize == 0)
|
|
{
|
|
Logger.Verbose("This is header chunk !! attempting to read the bundle size");
|
|
using var blockReader = new EndianBinaryReader(new MemoryStream(buffer.ToArray()));
|
|
var header = new Header()
|
|
{
|
|
signature = blockReader.ReadStringToNull(),
|
|
version = blockReader.ReadUInt32(),
|
|
unityVersion = blockReader.ReadStringToNull(),
|
|
unityRevision = blockReader.ReadStringToNull(),
|
|
size = blockReader.ReadInt64()
|
|
};
|
|
bundleSize = header.size;
|
|
Logger.Verbose($"Bundle size is 0x{bundleSize:X8}");
|
|
}
|
|
|
|
readSize += buffer.Length;
|
|
|
|
if (readSize % (PackSize - 0x80) == 0)
|
|
{
|
|
var padding = PackSize - 9 - blockSize;
|
|
reader.Position += padding;
|
|
Logger.Verbose($"Skip 0x{padding:X8} padding");
|
|
}
|
|
|
|
if (readSize == bundleSize)
|
|
{
|
|
Logger.Verbose($"Bundle has been read entirely !!");
|
|
readSize = 0;
|
|
bundleSize = 0;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
reader.Position = pos;
|
|
signature = reader.ReadStringToNull();
|
|
if (signature == UnityFSSignature)
|
|
{
|
|
Logger.Verbose($"Found {UnityFSSignature} chunk at position {reader.Position - (UnityFSSignature.Length + 1)}");
|
|
var header = new Header()
|
|
{
|
|
signature = reader.ReadStringToNull(),
|
|
version = reader.ReadUInt32(),
|
|
unityVersion = reader.ReadStringToNull(),
|
|
unityRevision = reader.ReadStringToNull(),
|
|
size = reader.ReadInt64()
|
|
};
|
|
|
|
Logger.Verbose($"Bundle size is 0x{header.size:X8}");
|
|
reader.Position = pos;
|
|
reader.BaseStream.CopyTo(ms, header.size);
|
|
continue;
|
|
}
|
|
|
|
throw new InvalidOperationException($"Expected signature {PackSignature} or {UnityFSSignature}, got {signature} instead !!");
|
|
}
|
|
}
|
|
catch (InvalidCastException)
|
|
{
|
|
Logger.Error($"Game type mismatch, Expected {nameof(GameType.GI_Pack)} ({nameof(Mr0k)}) but got {game.Name} ({game.GetType().Name}) !!");
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
Logger.Error($"Error while reading pack file {reader.FullPath}", e);
|
|
}
|
|
finally
|
|
{
|
|
reader.Dispose();
|
|
}
|
|
|
|
Logger.Verbose("Decrypted pack file successfully !!");
|
|
ms.Position = 0;
|
|
return new FileReader(reader.FullPath, ms);
|
|
}
|
|
|
|
public static FileReader DecryptMark(FileReader reader)
|
|
{
|
|
Logger.Verbose($"Attempting to decrypt file {reader.FileName} with Mark encryption");
|
|
|
|
var signature = reader.ReadStringToNull(4);
|
|
if (signature != "mark")
|
|
{
|
|
Logger.Verbose($"Expected signature mark, found {signature} instead, aborting...");
|
|
reader.Position = 0;
|
|
return reader;
|
|
}
|
|
|
|
const int BlockSize = 0xA00;
|
|
const int ChunkSize = 0x264;
|
|
const int ChunkPadding = 4;
|
|
|
|
var blockPadding = ((BlockSize / ChunkSize) + 1) * ChunkPadding;
|
|
var chunkSizeWithPadding = ChunkSize + ChunkPadding;
|
|
var blockSizeWithPadding = BlockSize + blockPadding;
|
|
|
|
var index = 0;
|
|
var block = new byte[blockSizeWithPadding];
|
|
var chunk = new byte[chunkSizeWithPadding];
|
|
var dataStream = new MemoryStream();
|
|
while (reader.BaseStream.Length != reader.BaseStream.Position)
|
|
{
|
|
var readBlockBytes = reader.Read(block);
|
|
using var blockStream = new MemoryStream(block, 0, readBlockBytes);
|
|
while (blockStream.Length != blockStream.Position)
|
|
{
|
|
var readChunkBytes = blockStream.Read(chunk);
|
|
if (readBlockBytes == blockSizeWithPadding || readChunkBytes == chunkSizeWithPadding)
|
|
{
|
|
readChunkBytes -= ChunkPadding;
|
|
}
|
|
for (int i = 0; i < readChunkBytes; i++)
|
|
{
|
|
chunk[i] ^= MarkKey[index++ % MarkKey.Length];
|
|
}
|
|
dataStream.Write(chunk, 0, readChunkBytes);
|
|
}
|
|
}
|
|
|
|
Logger.Verbose("Decrypted mark file successfully !!");
|
|
reader.Dispose();
|
|
dataStream.Position = 0;
|
|
return new FileReader(reader.FullPath, dataStream);
|
|
}
|
|
|
|
public static FileReader DecryptEnsembleStar(FileReader reader)
|
|
{
|
|
Logger.Verbose($"Attempting to decrypt file {reader.FileName} with Ensemble Star encryption");
|
|
if (Path.GetExtension(reader.FileName) != ".z")
|
|
{
|
|
Logger.Verbose($"Expected file extension .z, found {Path.GetExtension(reader.FileName)} instead, aborting...");
|
|
return reader;
|
|
}
|
|
using (reader)
|
|
{
|
|
var data = reader.ReadBytes((int)reader.Length);
|
|
var count = data.Length;
|
|
|
|
var stride = count % 3 + 1;
|
|
var remaining = count % 7;
|
|
var size = remaining + ~(count % 3) + EnsembleStarKey2.Length;
|
|
for (int i = 0; i < count; i += stride)
|
|
{
|
|
var offset = i / stride;
|
|
var k1 = offset % EnsembleStarKey1.Length;
|
|
var k2 = offset % EnsembleStarKey2.Length;
|
|
var k3 = offset % EnsembleStarKey3.Length;
|
|
|
|
data[i] = (byte)(EnsembleStarKey1[k1] ^ ((size ^ EnsembleStarKey3[k3] ^ data[i] ^ EnsembleStarKey2[k2]) + remaining));
|
|
}
|
|
|
|
Logger.Verbose("Decrypted Ensemble Star file successfully !!");
|
|
return new FileReader(reader.FullPath, new MemoryStream(data));
|
|
}
|
|
}
|
|
|
|
public static FileReader ParseFakeHeader(FileReader reader)
|
|
{
|
|
Logger.Verbose($"Attempting to parse file {reader.FileName} with fake header");
|
|
|
|
var stream = reader.BaseStream;
|
|
var data = reader.ReadBytes(0x1000);
|
|
var idx = data.Search("UnityFS");
|
|
if (idx != -1)
|
|
{
|
|
Logger.Verbose($"Found fake header at offset 0x{idx:X8}");
|
|
var idx2 = data[(idx + 1)..].Search("UnityFS");
|
|
if (idx2 != -1)
|
|
{
|
|
Logger.Verbose($"Found real header at offset 0x{idx + idx2 + 1:X8}");
|
|
stream = new OffsetStream(stream, idx + idx2 + 1);
|
|
}
|
|
else
|
|
{
|
|
Logger.Verbose("Real header was not found, assuming fake header is the real one");
|
|
stream = new OffsetStream(stream, idx);
|
|
}
|
|
}
|
|
|
|
Logger.Verbose("Parsed fake header file successfully !!");
|
|
return new FileReader(reader.FullPath, stream);
|
|
}
|
|
|
|
public static FileReader DecryptFantasyOfWind(FileReader reader)
|
|
{
|
|
Logger.Verbose($"Attempting to decrypt file {reader.FileName} with Fantasy of Wind encryption");
|
|
|
|
byte[] encryptKeyName = Encoding.UTF8.GetBytes("28856");
|
|
const int MinLength = 0xC8;
|
|
const int KeyLength = 8;
|
|
const int EnLength = 0x32;
|
|
const int StartEnd = 0x14;
|
|
const int HeadLength = 5;
|
|
|
|
var signature = reader.ReadStringToNull(HeadLength);
|
|
if (string.Compare(signature, "K9999") > 0 || reader.Length <= MinLength)
|
|
{
|
|
Logger.Verbose($"Signature version {signature} is higher than K9999 or stream length {reader.Length} is less than minimum length {MinLength}, aborting...");
|
|
reader.Position = 0;
|
|
return reader;
|
|
}
|
|
|
|
reader.Position = reader.Length + ~StartEnd;
|
|
var keyLength = reader.ReadByte();
|
|
reader.Position = reader.Length - StartEnd - 2;
|
|
var enLength = reader.ReadByte();
|
|
|
|
var enKeyPos = (byte)((keyLength % KeyLength) + KeyLength);
|
|
var encryptedLength = (byte)((enLength % EnLength) + EnLength);
|
|
|
|
reader.Position = reader.Length - StartEnd - enKeyPos;
|
|
var encryptKey = reader.ReadBytes(KeyLength);
|
|
|
|
var subByte = (byte)(reader.Length - StartEnd - KeyLength - (keyLength % KeyLength));
|
|
for (var i = 0; i < KeyLength; i++)
|
|
{
|
|
if (encryptKey[i] == 0)
|
|
{
|
|
encryptKey[i] = (byte)(subByte + i);
|
|
}
|
|
}
|
|
|
|
var key = new byte[encryptKeyName.Length + KeyLength];
|
|
encryptKeyName.CopyTo(key.AsMemory(0));
|
|
encryptKey.CopyTo(key.AsMemory(encryptKeyName.Length));
|
|
|
|
reader.Position = HeadLength;
|
|
var data = reader.ReadBytes(encryptedLength);
|
|
for (int i = 0; i < encryptedLength; i++)
|
|
{
|
|
data[i] ^= key[i % key.Length];
|
|
}
|
|
|
|
MemoryStream ms = new();
|
|
ms.Write(Encoding.UTF8.GetBytes("Unity"));
|
|
ms.Write(data);
|
|
reader.BaseStream.CopyTo(ms);
|
|
ms.Position = 0;
|
|
|
|
Logger.Verbose("Decrypted Fantasy of Wind file successfully !!");
|
|
return new FileReader(reader.FullPath, ms);
|
|
}
|
|
public static FileReader ParseHelixWaltz2(FileReader reader)
|
|
{
|
|
Logger.Verbose($"Attempting to decrypt file {reader.FileName} with Helix Waltz 2 encryption");
|
|
|
|
var originalHeader = new byte[] { 0x55, 0x6E, 0x69, 0x74, 0x79, 0x46, 0x53, 0x00, 0x00, 0x00, 0x00, 0x07, 0x35, 0x2E, 0x78, 0x2E };
|
|
|
|
var signature = reader.ReadStringToNull();
|
|
reader.AlignStream();
|
|
|
|
if (signature != "SzxFS")
|
|
{
|
|
Logger.Verbose($"Expected signature SzxFS, found {signature} instead, aborting...");
|
|
reader.Position = 0;
|
|
return reader;
|
|
}
|
|
|
|
var seed = reader.ReadInt32();
|
|
reader.Position = 0x10;
|
|
var data = reader.ReadBytes((int)reader.Remaining);
|
|
|
|
var sbox = new byte[0x100];
|
|
for (int i = 0; i < sbox.Length; i++)
|
|
{
|
|
sbox[i] = (byte)i;
|
|
}
|
|
|
|
var key = new byte[0x100];
|
|
var random = new Random(seed);
|
|
for (int i = 0; i < key.Length; i++)
|
|
{
|
|
var idx = random.Next(i, 0x100);
|
|
var b = sbox[idx];
|
|
sbox[idx] = sbox[i];
|
|
sbox[i] = b;
|
|
key[b] = (byte)i;
|
|
}
|
|
|
|
for (int i = 0; i < data.Length; i++)
|
|
{
|
|
var idx = data[i];
|
|
data[i] = key[idx];
|
|
}
|
|
|
|
Logger.Verbose("Decrypted Helix Waltz 2 file successfully !!");
|
|
MemoryStream ms = new();
|
|
ms.Write(originalHeader);
|
|
ms.Write(data);
|
|
ms.Position = 0;
|
|
|
|
return new FileReader(reader.FullPath, ms);
|
|
}
|
|
public static FileReader DecryptAnchorPanic(FileReader reader)
|
|
{
|
|
Logger.Verbose($"Attempting to decrypt file {reader.FileName} with Anchor Panic encryption");
|
|
|
|
const int BlockSize = 0x800;
|
|
|
|
var data = reader.ReadBytes(0x1000);
|
|
reader.Position = 0;
|
|
|
|
var idx = data.Search("UnityFS");
|
|
if (idx != -1)
|
|
{
|
|
Logger.Verbose("Found UnityFS signature, file might not be encrypted");
|
|
return ParseFakeHeader(reader);
|
|
}
|
|
|
|
var key = GetKey(Path.GetFileNameWithoutExtension(reader.FileName));
|
|
Logger.Verbose($"Calculated key is {key}");
|
|
|
|
var chunkIndex = 0;
|
|
MemoryStream ms = new();
|
|
while (reader.Remaining > 0)
|
|
{
|
|
var chunkSize = Math.Min((int)reader.Remaining, BlockSize);
|
|
Logger.Verbose($"Chunk {chunkIndex} size is {chunkSize}");
|
|
var chunk = reader.ReadBytes(chunkSize);
|
|
if (IsEncrypt((int)reader.Length, chunkIndex++))
|
|
{
|
|
Logger.Verbose($"Chunk {chunkIndex} is encrypted, decrypting...");
|
|
RC4(chunk, key);
|
|
}
|
|
|
|
ms.Write(chunk);
|
|
}
|
|
|
|
Logger.Verbose("Decrypted Anchor Panic file successfully !!");
|
|
ms.Position = 0;
|
|
return new FileReader(reader.FullPath, ms);
|
|
|
|
bool IsEncrypt(int fileSize, int chunkIndex)
|
|
{
|
|
const int MaxEncryptChunkIndex = 4;
|
|
|
|
if (chunkIndex == 0)
|
|
return true;
|
|
|
|
if (fileSize / BlockSize == chunkIndex)
|
|
return true;
|
|
|
|
if (MaxEncryptChunkIndex < chunkIndex)
|
|
return false;
|
|
|
|
return fileSize % 2 == chunkIndex % 2;
|
|
}
|
|
|
|
byte[] GetKey(string fileName)
|
|
{
|
|
const string Key = "KxZKZolAT3QXvsUU";
|
|
|
|
string keyHash = CalculateMD5(Key);
|
|
string nameHash = CalculateMD5(fileName);
|
|
var key = $"{keyHash[..5]}leiyan{nameHash[Math.Max(0, nameHash.Length - 5)..]}";
|
|
return Encoding.UTF8.GetBytes(key);
|
|
|
|
string CalculateMD5(string str)
|
|
{
|
|
var bytes = Encoding.UTF8.GetBytes(str);
|
|
bytes = MD5.HashData(bytes);
|
|
return Convert.ToHexString(bytes).ToLowerInvariant();
|
|
}
|
|
}
|
|
|
|
void RC4(Span<byte> data, byte[] key)
|
|
{
|
|
int[] S = new int[0x100];
|
|
for (int _ = 0; _ < 0x100; _++)
|
|
{
|
|
S[_] = _;
|
|
}
|
|
|
|
int[] T = new int[0x100];
|
|
|
|
if (key.Length == 0x100)
|
|
{
|
|
Buffer.BlockCopy(key, 0, T, 0, key.Length);
|
|
}
|
|
else
|
|
{
|
|
for (int _ = 0; _ < 0x100; _++)
|
|
{
|
|
T[_] = key[_ % key.Length];
|
|
}
|
|
}
|
|
|
|
int i = 0;
|
|
int j = 0;
|
|
for (i = 0; i < 0x100; i++)
|
|
{
|
|
j = (j + S[i] + T[i]) % 0x100;
|
|
|
|
(S[j], S[i]) = (S[i], S[j]);
|
|
}
|
|
|
|
i = j = 0;
|
|
for (int iteration = 0; iteration < data.Length; iteration++)
|
|
{
|
|
i = (i + 1) % 0x100;
|
|
j = (j + S[i]) % 0x100;
|
|
|
|
(S[j], S[i]) = (S[i], S[j]);
|
|
var K = (uint)S[(S[j] + S[i]) % 0x100];
|
|
|
|
data[iteration] ^= Convert.ToByte(K);
|
|
}
|
|
}
|
|
}
|
|
|
|
public static FileReader DecryptDreamscapeAlbireo(FileReader reader)
|
|
{
|
|
Logger.Verbose($"Attempting to decrypt file {reader.FileName} with Dreamscape Albireo encryption");
|
|
|
|
var key = new byte[] { 0x1E, 0x1E, 0x01, 0x01, 0xFC };
|
|
|
|
var signature = reader.ReadStringToNull(4);
|
|
if (signature != "MJJ")
|
|
{
|
|
Logger.Verbose($"Expected signature MJJ, found {signature} instead, aborting...");
|
|
reader.Position = 0;
|
|
return reader;
|
|
}
|
|
|
|
reader.Endian = EndianType.BigEndian;
|
|
|
|
var u1 = reader.ReadUInt32();
|
|
var u2 = reader.ReadUInt32();
|
|
var u3 = reader.ReadUInt32();
|
|
var u4 = reader.ReadUInt32();
|
|
var u5 = reader.ReadUInt32();
|
|
var u6 = reader.ReadUInt32();
|
|
|
|
var flag = Scrample(u4) ^ 0x70020017;
|
|
var compressedBlocksInfoSize = Scrample(u1) ^ u4;
|
|
var uncompressedBlocksInfoSize = Scrample(u6) ^ u1;
|
|
|
|
var sizeHigh = (u5 & 0xFFFFFF00 | u2 >> 24) ^ u4;
|
|
var sizeLow = (u5 >> 24 | (u2 << 8)) ^ u1;
|
|
var size = (long)(sizeHigh << 32 | sizeLow);
|
|
|
|
Logger.Verbose($"Decrypted File info: Flag 0x{flag:X8} | Compressed blockInfo size 0x{compressedBlocksInfoSize:X8} | Decompressed blockInfo size 0x{uncompressedBlocksInfoSize:X8} | Bundle size 0x{size:X8}");
|
|
|
|
var blocksInfo = reader.ReadBytes((int)compressedBlocksInfoSize);
|
|
for(int i = 0; i < blocksInfo.Length; i++)
|
|
{
|
|
blocksInfo[i] ^= key[i % key.Length];
|
|
}
|
|
|
|
var data = reader.ReadBytes((int)reader.Remaining);
|
|
|
|
var buffer = (stackalloc byte[8]);
|
|
MemoryStream ms = new();
|
|
ms.Write(Encoding.UTF8.GetBytes("UnityFS\x00"));
|
|
BinaryPrimitives.WriteUInt32BigEndian(buffer, 6);
|
|
ms.Write(buffer[..4]);
|
|
ms.Write(Encoding.UTF8.GetBytes("5.x.x\x00"));
|
|
ms.Write(Encoding.UTF8.GetBytes("2018.4.2f1\x00"));
|
|
BinaryPrimitives.WriteInt64BigEndian(buffer, size);
|
|
ms.Write(buffer);
|
|
BinaryPrimitives.WriteUInt32BigEndian(buffer, compressedBlocksInfoSize);
|
|
ms.Write(buffer[..4]);
|
|
BinaryPrimitives.WriteUInt32BigEndian(buffer, uncompressedBlocksInfoSize);
|
|
ms.Write(buffer[..4]);
|
|
BinaryPrimitives.WriteUInt32BigEndian(buffer, flag);
|
|
ms.Write(buffer[..4]);
|
|
ms.Write(blocksInfo);
|
|
ms.Write(data);
|
|
reader.BaseStream.CopyTo(ms);
|
|
ms.Position = 0;
|
|
|
|
Logger.Verbose("Decrypted Dreamscape Albireo file successfully !!");
|
|
return new FileReader(reader.FullPath, ms);
|
|
|
|
static uint Scrample(uint value) => (value >> 5) & 0xFFE000 | (value >> 29) | (value << 14) & 0xFF000000 | (8 * value) & 0x1FF8;
|
|
}
|
|
|
|
public static FileReader DecryptImaginaryFest(FileReader reader)
|
|
{
|
|
Logger.Verbose($"Attempting to decrypt file {reader.FileName} with Imaginary Fest encryption");
|
|
|
|
const string dataRoot = "data";
|
|
var key = new byte[] { 0xBD, 0x65, 0xF2, 0x4F, 0xBE, 0xD1, 0x36, 0xD4, 0x95, 0xFE, 0x64, 0x94, 0xCB, 0xD3, 0x7E, 0x91, 0x57, 0xB7, 0x94, 0xB7, 0x9F, 0x70, 0xB2, 0xA9, 0xA0, 0xD5, 0x4E, 0x36, 0xC6, 0x40, 0xE0, 0x2F, 0x4E, 0x6E, 0x76, 0x6D, 0xCD, 0xAE, 0xEA, 0x05, 0x13, 0x6B, 0xA7, 0x84, 0xFF, 0xED, 0x90, 0x91, 0x15, 0x7E, 0xF1, 0xF8, 0xA5, 0x9C, 0xB6, 0xDE, 0xF9, 0x56, 0x57, 0x18, 0xBF, 0x94, 0x63, 0x6F, 0x1B, 0xE2, 0x92, 0xD2, 0x7E, 0x25, 0x95, 0x23, 0x24, 0xCB, 0x93, 0xD3, 0x36, 0xD9, 0x18, 0x11, 0xF5, 0x50, 0x18, 0xE4, 0x22, 0x28, 0xD8, 0xE2, 0x1A, 0x57, 0x1E, 0x04, 0x88, 0xA5, 0x84, 0xC0, 0x6C, 0x3B, 0x46, 0x62, 0xCE, 0x85, 0x10, 0x2E, 0xA0, 0xDC, 0xD3, 0x09, 0xB2, 0xB6, 0xA4, 0x8D, 0xAF, 0x74, 0x36, 0xF7, 0x9A, 0x3F, 0x98, 0xDA, 0x62, 0x57, 0x71, 0x75, 0x92, 0x05, 0xA3, 0xB2, 0x7C, 0xCA, 0xFB, 0x1E, 0xBE, 0xC9, 0x24, 0xC1, 0xD2, 0xB9, 0xDE, 0xE4, 0x7E, 0xF3, 0x0F, 0xB4, 0xFB, 0xA2, 0xC1, 0xC2, 0x14, 0x5C, 0x78, 0x13, 0x74, 0x41, 0x8D, 0x79, 0xF4, 0x3C, 0x49, 0x92, 0x98, 0xF2, 0xCD, 0x8C, 0x09, 0xA6, 0x40, 0x34, 0x51, 0x1C, 0x11, 0x2B, 0xE0, 0x6B, 0x42, 0x9C, 0x86, 0x41, 0x06, 0xF6, 0xD2, 0x87, 0xF1, 0x10, 0x26, 0x89, 0xC2, 0x7B, 0x2A, 0x5D, 0x1C, 0xDA, 0x92, 0xC8, 0x93, 0x59, 0xF9, 0x60, 0xD0, 0xB5, 0x1E, 0xD5, 0x75, 0x56, 0xA0, 0x05, 0x83, 0x90, 0xAC, 0x72, 0xC8, 0x10, 0x09, 0xED, 0x1A, 0x46, 0xD9, 0x39, 0x6B, 0x9E, 0x19, 0x5E, 0x51, 0x44, 0x09, 0x0D, 0x74, 0xAB, 0xA8, 0xF9, 0x32, 0x43, 0xBC, 0xD2, 0xED, 0x7B, 0x6C, 0x75, 0x32, 0x24, 0x14, 0x43, 0x5D, 0x98, 0xB2, 0xFC, 0xFB, 0xF5, 0x9A, 0x19, 0x03, 0xB0, 0xB7, 0xAC, 0xAE, 0x8B };
|
|
|
|
var signatureBytes = reader.ReadBytes(8);
|
|
var signature = Encoding.UTF8.GetString(signatureBytes[..7]);
|
|
if (signature == "UnityFS")
|
|
{
|
|
Logger.Verbose("Found UnityFS signature, file might not be encrypted");
|
|
reader.Position = 0;
|
|
return reader;
|
|
}
|
|
|
|
if (signatureBytes[7] != 0)
|
|
{
|
|
Logger.Verbose($"File might be encrypted with a byte xorkey 0x{signatureBytes[7]:X8}, attemping to decrypting...");
|
|
var xorKey = signatureBytes[7];
|
|
for (int i = 0; i < signatureBytes.Length; i++)
|
|
{
|
|
signatureBytes[i] ^= xorKey;
|
|
}
|
|
signature = Encoding.UTF8.GetString(signatureBytes[..7]);
|
|
if (signature == "UnityFS")
|
|
{
|
|
Logger.Verbose("Found UnityFS signature, key is valid, decrypting the rest of the stream");
|
|
var remaining = reader.ReadBytes((int)reader.Remaining);
|
|
for (int i = 0; i < remaining.Length; i++)
|
|
{
|
|
remaining[i] ^= xorKey;
|
|
}
|
|
|
|
Logger.Verbose("Decrypted Imaginary Fest file successfully !!");
|
|
var stream = new MemoryStream();
|
|
stream.Write(signatureBytes);
|
|
stream.Write(remaining);
|
|
stream.Position = 0;
|
|
return new FileReader(reader.FullPath, stream);
|
|
}
|
|
}
|
|
|
|
reader.Position = 0;
|
|
|
|
var paths = reader.FullPath.Split(Path.DirectorySeparatorChar);
|
|
var startIdx = Array.FindIndex(paths, x => x == dataRoot);
|
|
if (startIdx != -1 && startIdx != paths.Length - 1)
|
|
{
|
|
Logger.Verbose("File is in the data folder !!");
|
|
var path = string.Join(Path.AltDirectorySeparatorChar, paths[(startIdx+1)..]);
|
|
var offset = GetLoadAssetBundleOffset(path);
|
|
if (offset > 0 && offset < reader.Length)
|
|
{
|
|
Logger.Verbose($"Calculated offset is 0x{offset:X8}, attempting to read signature...");
|
|
reader.Position = offset;
|
|
signature = reader.ReadStringToNull(7);
|
|
if (signature == "UnityFS")
|
|
{
|
|
Logger.Verbose($"Found UnityFS signature, file starts at 0x{offset:X8} !!");
|
|
Logger.Verbose("Parsed Imaginary Fest file successfully !!");
|
|
reader.Position = offset;
|
|
return new FileReader(reader.FullPath, new MemoryStream(reader.ReadBytes((int)reader.Remaining)));
|
|
}
|
|
}
|
|
Logger.Verbose($"Invalid offset, attempting to generate key...");
|
|
reader.Position = 0;
|
|
var data = reader.ReadBytes((int)reader.Remaining);
|
|
var key_value = GetHashCode(path);
|
|
Logger.Verbose($"Generated key is 0x{key_value:X8}, decrypting...");
|
|
Decrypt(data, key_value);
|
|
Logger.Verbose("Decrypted Imaginary Fest file successfully !!");
|
|
return new FileReader(reader.FullPath, new MemoryStream(data));
|
|
}
|
|
|
|
Logger.Verbose("File doesn't match any of the encryption types");
|
|
reader.Position = 0;
|
|
return reader;
|
|
|
|
int GetLoadAssetBundleOffset(string str)
|
|
{
|
|
var hashCode = GetHashCode(str);
|
|
var offset = 1;
|
|
var index = -4;
|
|
do
|
|
{
|
|
var s = hashCode >> (index + 8);
|
|
index += 4;
|
|
offset += s % 0x80 | 0x80;
|
|
}
|
|
while (4 * (hashCode & 3) != index);
|
|
return offset;
|
|
}
|
|
|
|
int GetHashCode(string str, int pattern = 0)
|
|
{
|
|
var table = new int[4];
|
|
|
|
var len = str.Length - 1;
|
|
for (int i = 0; i < table.Length; i++)
|
|
{
|
|
var c = str[len & ~(len >> 0x1F)];
|
|
table[i] = GetJammingInt(pattern + c);
|
|
pattern += table.Length;
|
|
len--;
|
|
}
|
|
|
|
var shift = 0;
|
|
for (int i = str.Length - 1; i >= 0; i--)
|
|
{
|
|
var c = str[i];
|
|
shift = (shift + i) ^ c;
|
|
table[i % table.Length] += c << shift;
|
|
}
|
|
return table[0] ^ table[1] ^ table[2] ^ table[3];
|
|
}
|
|
|
|
int GetJammingInt(int top_index)
|
|
{
|
|
return BinaryPrimitives.TryReadInt32LittleEndian(key.AsSpan(top_index), out var value) ? value : -1;
|
|
}
|
|
|
|
void Decrypt(byte[] bytes, int key_value)
|
|
{
|
|
var step = (key_value >> 8) % 3 + 1;
|
|
for (int i = 0; i < bytes.Length; i++)
|
|
{
|
|
var index = (byte)key_value;
|
|
bytes[i] ^= key[index];
|
|
key_value += step;
|
|
}
|
|
}
|
|
}
|
|
public static FileReader DecryptAliceGearAegis(FileReader reader)
|
|
{
|
|
Logger.Verbose($"Attempting to decrypt file {reader.FileName} with Alice Gear Aegis encryption");
|
|
|
|
var key = new byte[] { 0x1B, 0x59, 0x62, 0x33, 0x78, 0x76, 0x45, 0xB3, 0x5B, 0x48, 0x39, 0xD7, 0x9C, 0x21, 0x89, 0x94 };
|
|
|
|
var header = new Header()
|
|
{
|
|
signature = reader.ReadStringToNull(),
|
|
version = reader.ReadUInt32(),
|
|
unityVersion = reader.ReadStringToNull(),
|
|
unityRevision = reader.ReadStringToNull(),
|
|
size = reader.ReadInt64()
|
|
};
|
|
if (header.signature == "UnityFS" && header.size == reader.Length)
|
|
{
|
|
reader.Position = 0;
|
|
return reader;
|
|
}
|
|
|
|
reader.Position = 8;
|
|
var seed = (reader.Length - reader.Position) % key.Length;
|
|
|
|
var encryptedBlock = reader.ReadBytes(0x80);
|
|
var data = reader.ReadBytes((int)reader.Remaining);
|
|
for (int i = 0; i < encryptedBlock.Length; i++)
|
|
{
|
|
encryptedBlock[i] ^= key[seed++ % key.Length];
|
|
}
|
|
|
|
Logger.Verbose("Decrypted Alice Gear Aegis file successfully !!");
|
|
MemoryStream ms = new();
|
|
ms.Write(Encoding.UTF8.GetBytes("UnityFS\x00"));
|
|
ms.Write(encryptedBlock);
|
|
ms.Write(data);
|
|
ms.Position = 0;
|
|
|
|
return new FileReader(reader.FullPath, ms);
|
|
}
|
|
|
|
public static FileReader DecryptProjectSekai(FileReader reader)
|
|
{
|
|
Logger.Verbose($"Attempting to decrypt file {reader.FileName} with Project Sekai encryption");
|
|
|
|
var key = new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00 };
|
|
|
|
reader.Endian = EndianType.LittleEndian;
|
|
var version = reader.ReadUInt32();
|
|
|
|
if (version != 0x10 && version != 0x20)
|
|
{
|
|
reader.Endian = EndianType.BigEndian;
|
|
reader.Position = 0;
|
|
return reader;
|
|
}
|
|
|
|
MemoryStream ms = new MemoryStream();
|
|
if (version == 0x10)
|
|
{
|
|
var buffer = (stackalloc byte[8]);
|
|
for (int i = 0; i < 0x10; i++)
|
|
{
|
|
var read = reader.Read(buffer);
|
|
for (int j = 0; j < key.Length; j++)
|
|
{
|
|
buffer[j] ^= key[j];
|
|
}
|
|
ms.Write(buffer[..read]);
|
|
}
|
|
}
|
|
|
|
ms.Write(reader.ReadBytes((int)reader.Remaining));
|
|
|
|
Logger.Verbose("Decrypted Project Sekai file successfully !!");
|
|
ms.Position = 0;
|
|
return new FileReader(reader.FullPath, ms);
|
|
}
|
|
|
|
public static FileReader DecryptCodenameJump(FileReader reader)
|
|
{
|
|
Logger.Verbose($"Attempting to decrypt file {reader.FileName} with Codename Jump encryption");
|
|
|
|
var key = new byte[] { 0x6B, 0xC9, 0xAC, 0x0E, 0xE7, 0xD2, 0xB1, 0x99, 0x39, 0x59, 0x26, 0x56, 0x1B, 0x6C, 0xBB, 0xA4, 0x83, 0xC8, 0x79, 0x2E, 0x4B, 0xB2, 0x9D, 0x69, 0x35, 0xB8, 0x9A, 0xD6, 0xD5, 0x63, 0x95, 0x20, 0x14, 0x82, 0x1C, 0x7C, 0xD4, 0xA9, 0x15, 0x56, 0xC3, 0xC5, 0xD7, 0x21, 0x03, 0x4E, 0x4A, 0x34, 0x6B, 0x05, 0x2D, 0x0B, 0xE2, 0x7D, 0x7D, 0xD7, 0xB2, 0xAE, 0x9E, 0x56, 0x91, 0xBA, 0x81, 0x81, 0x0E, 0x08, 0x4D, 0xA0, 0x09, 0xB5, 0x60, 0x74, 0x58, 0x36, 0x89, 0x09, 0x19, 0x2C, 0x10, 0xB1, 0xD0, 0xA3, 0x4C, 0x36, 0xAA, 0x95, 0xBC, 0x10, 0x39, 0x30, 0x93, 0xE8, 0xAD, 0x38, 0x51, 0xAA, 0xCA, 0x08, 0x67, 0x03, 0x08, 0xD1, 0x20, 0x05, 0x27, 0x0B, 0x9D, 0xB1, 0x4B, 0x42, 0x98, 0x03, 0x5A, 0x49, 0x97, 0xB0, 0x2A, 0xB6, 0x3A, 0x2C, 0x33, 0xA3, 0x65, 0xC7, 0x7D, 0xB9, 0x41, 0xAD, 0xE7, 0x70, 0x59, 0x61, 0x82, 0x59, 0xC9, 0x5A, 0x0B, 0x13, 0x6D, 0x95, 0x31, 0x31, 0x23, 0x22, 0xD0, 0x51, 0x45, 0x59, 0x09, 0x57, 0xA2, 0x60, 0x3B, 0xCE, 0x9B, 0x6E, 0x22, 0x9E, 0x87, 0xBD, 0x83, 0x88, 0x73, 0xD0, 0x79, 0xD0, 0xAC, 0xDC, 0xE1, 0x6C, 0xB3, 0xA4, 0xCC, 0x98, 0x04, 0xE8, 0xB6, 0xBB, 0xAC, 0x21, 0xB9, 0x2A, 0x6E, 0x78, 0x01, 0xED, 0xC1, 0xA6, 0x79, 0xE0, 0x9B, 0x68, 0x7B, 0x8A, 0x25, 0xE4, 0x47, 0xBB, 0x5D, 0x2A, 0xC0, 0x5A, 0xDE, 0x31, 0xEC, 0x5C, 0xCE, 0x6D, 0xBE, 0x68, 0x1E, 0x93, 0x44, 0x89, 0x56, 0x68, 0x4C, 0x6E, 0xD0, 0x46, 0xB0, 0x97, 0xE4, 0x72, 0x23, 0xB5, 0x87, 0x18, 0xD5, 0x2D, 0xA9, 0x0E, 0x63, 0xAE, 0xCE, 0x4A, 0x69, 0xD0, 0xD1, 0x6B, 0xB0, 0x0C, 0x1A, 0xBD, 0xE3, 0x01, 0x45, 0x8B, 0x93, 0xD5, 0x83, 0x9C, 0xB7, 0x12, 0x6C, 0xD5 };
|
|
|
|
var signatureBytes = reader.ReadBytes(8);
|
|
reader.Position = 0;
|
|
|
|
for (int i = 0; i < signatureBytes.Length; i++)
|
|
{
|
|
signatureBytes[i] ^= key[i % key.Length];
|
|
}
|
|
var signature = Encoding.UTF8.GetString(signatureBytes[..7]);
|
|
if (signature != "UnityFS")
|
|
{
|
|
Logger.Verbose($"Unknown signature, exepcted UnityFS but got {signature} instead !!");
|
|
return reader;
|
|
}
|
|
|
|
var data = reader.ReadBytes((int)reader.Remaining);
|
|
for (int i = 0; i < data.Length; i++)
|
|
{
|
|
data[i] ^= key[i % key.Length];
|
|
}
|
|
|
|
Logger.Verbose("Decrypted Codename Jump file successfully !!");
|
|
MemoryStream ms = new();
|
|
ms.Write(data);
|
|
ms.Position = 0;
|
|
return new FileReader(reader.FullPath, ms);
|
|
}
|
|
|
|
public static FileReader DecryptGirlsFrontline(FileReader reader)
|
|
{
|
|
Logger.Verbose($"Attempting to decrypt file {reader.FileName} with Girls Frontline encryption");
|
|
|
|
var originalHeader = new byte[] { 0x55, 0x6E, 0x69, 0x74, 0x79, 0x46, 0x53, 0x00, 0x00, 0x00, 0x00, 0x07, 0x35, 0x2E, 0x78, 0x2E };
|
|
|
|
var key = reader.ReadBytes(0x10);
|
|
for (int i = 0; i < key.Length; i++)
|
|
{
|
|
var b = (byte)(key[i] ^ originalHeader[i]);
|
|
key[i] = b != originalHeader[i] ? b : originalHeader[i];
|
|
}
|
|
|
|
reader.Position = 0;
|
|
var data = reader.ReadBytes((int)reader.Remaining);
|
|
var size = Math.Min(data.Length, 0x8000);
|
|
for (int i = 0; i < size; i++)
|
|
{
|
|
data[i] ^= key[i % key.Length];
|
|
}
|
|
|
|
Logger.Verbose("Decrypted Girls Frontline file successfully !!");
|
|
|
|
MemoryStream ms = new();
|
|
ms.Write(data);
|
|
ms.Position = 0;
|
|
return new FileReader(reader.FullPath, ms);
|
|
}
|
|
|
|
public static FileReader DecryptReverse1999(FileReader reader)
|
|
{
|
|
Logger.Verbose($"Attempting to decrypt file {reader.FileName} with Reverse: 1999 encryption");
|
|
|
|
var signatureBytes = reader.ReadBytes(8);
|
|
var signature = Encoding.UTF8.GetString(signatureBytes[..7]);
|
|
if (signature == "UnityFS")
|
|
{
|
|
Logger.Verbose("Found UnityFS signature, file might not be encrypted");
|
|
reader.Position = 0;
|
|
return reader;
|
|
}
|
|
|
|
var key = GetAbEncryptKey(Path.GetFileNameWithoutExtension(reader.FileName));
|
|
for (int i = 0; i < signatureBytes.Length; i++)
|
|
{
|
|
signatureBytes[i] ^= key;
|
|
}
|
|
|
|
signature = Encoding.UTF8.GetString(signatureBytes[..7]);
|
|
if (signature == "UnityFS")
|
|
{
|
|
Logger.Verbose($"Found UnityFS signature, key 0x{key:X2} is valid, decrypting the rest of the stream");
|
|
var remaining = reader.ReadBytes((int)reader.Remaining);
|
|
for (int i = 0; i < remaining.Length; i++)
|
|
{
|
|
remaining[i] ^= key;
|
|
}
|
|
|
|
Logger.Verbose("Decrypted Reverse: 1999 file successfully !!");
|
|
var stream = new MemoryStream();
|
|
stream.Write(signatureBytes);
|
|
stream.Write(remaining);
|
|
stream.Position = 0;
|
|
return new FileReader(reader.FullPath, stream);
|
|
}
|
|
|
|
Logger.Verbose("File doesn't match any of the encryption types");
|
|
reader.Position = 0;
|
|
return reader;
|
|
|
|
static byte GetAbEncryptKey(string md5Name)
|
|
{
|
|
byte key = 0;
|
|
foreach (var c in md5Name)
|
|
{
|
|
key += (byte)c;
|
|
}
|
|
return (byte)(key + (byte)(2 * ((key & 1) + 1)));
|
|
}
|
|
}
|
|
|
|
public static FileReader DecryptJJKPhantomParade(FileReader reader)
|
|
{
|
|
Logger.Verbose($"Attempting to decrypt file {reader.FileName} with Jujutsu Kaisen: Phantom Parade encryption");
|
|
|
|
var key = reader.ReadBytes(2);
|
|
var signatureBytes = reader.ReadBytes(13);
|
|
var generation = reader.ReadByte();
|
|
|
|
for (int i = 0; i < 13; i++)
|
|
{
|
|
signatureBytes[i] ^= key[i % key.Length];
|
|
}
|
|
|
|
var signature = Encoding.UTF8.GetString(signatureBytes);
|
|
if (signature != "_GhostAssets_")
|
|
{
|
|
throw new Exception("Invalid signature");
|
|
}
|
|
|
|
generation ^= (byte)(key[0] ^ key[1]);
|
|
|
|
if (generation != 1)
|
|
{
|
|
throw new Exception("Invalid generation");
|
|
}
|
|
|
|
|
|
long value = 0;
|
|
var data = reader.ReadBytes((int)reader.Remaining);
|
|
var blockCount = data.Length / 0x10;
|
|
|
|
using var writerMS = new MemoryStream();
|
|
using var writer = new BinaryWriter(writerMS);
|
|
for (int i = 0; i <= blockCount; i++)
|
|
{
|
|
if (i % 0x40 == 0)
|
|
{
|
|
value = 0x64 * ((i / 0x40) + 1);
|
|
}
|
|
writer.Write(value);
|
|
writer.Write((long)0);
|
|
value += 1;
|
|
}
|
|
|
|
using var aes = Aes.Create();
|
|
aes.Key = new byte[] { 0x36, 0x31, 0x35, 0x34, 0x65, 0x30, 0x30, 0x66, 0x39, 0x45, 0x39, 0x63, 0x65, 0x34, 0x36, 0x64, 0x63, 0x39, 0x30, 0x35, 0x34, 0x45, 0x30, 0x37, 0x31, 0x37, 0x33, 0x41, 0x61, 0x35, 0x34, 0x36 };
|
|
aes.Mode = CipherMode.ECB;
|
|
aes.Padding = PaddingMode.None;
|
|
var encryptor = aes.CreateEncryptor();
|
|
|
|
var keyBytes = writerMS.ToArray();
|
|
keyBytes = encryptor.TransformFinalBlock(keyBytes, 0, keyBytes.Length);
|
|
|
|
for (int i = 0; i < data.Length; i++)
|
|
{
|
|
data[i] ^= keyBytes[i];
|
|
}
|
|
|
|
Logger.Verbose("Decrypted Jujutsu Kaisen: Phantom Parade file successfully !!");
|
|
|
|
MemoryStream ms = new();
|
|
ms.Write(data);
|
|
ms.Position = 0;
|
|
return new FileReader(reader.FullPath, ms);
|
|
}
|
|
}
|
|
}
|