public void uncompressFile(string inFile, string outFile)
{
int data = 0;
int stopByte = -1;
System.IO.FileStream outFileStream = new System.IO.FileStream(outFile, System.IO.FileMode.Create);
zlib.ZInputStream inZStream = new zlib.ZInputStream(System.IO.File.Open(inFile, System.IO.FileMode.Open, System.IO.FileAccess.Read));
while (stopByte != (data = inZStream.Read()))
{
byte _dataByte = (byte)data;
outFileStream.WriteByte(_dataByte);
}
inZStream.Close();
outFileStream.Close();
}
public static byte[] Inflate(byte[] CompressedStream)
{
List <byte> outByte = new List <byte>();
int data = 0;
int stopByte = -1;
zlib.ZInputStream inZStream = new zlib.ZInputStream(new MemoryStream(CompressedStream));
while (stopByte != (data = inZStream.Read()))
{
byte _dataByte = (byte)data;
outByte.Add(_dataByte);
}
inZStream.Close();
return(outByte.ToArray());
}
private byte[] readCompressedBuffer(int zLength)
{
byte[] compressed = new byte[zLength];
input.Read(compressed, 0, zLength);
MemoryStream zinput = new MemoryStream(compressed);
MemoryStream uncompressed = new MemoryStream(zLength);
using (var zstream = new zlib.ZInputStream(zinput))
{
byte[] buf = new byte[1024];
int len = 0;
while ((len = zstream.read(buf, 0, buf.Length)) > 0)
{
uncompressed.Write(buf, 0, len);
}
uncompressed.Flush();
}
return(uncompressed.ToArray());
}
public static byte[] Decompress(byte[] input)
{
System.IO.MemoryStream os = new System.IO.MemoryStream();
zlib.ZInputStream zis = new zlib.ZInputStream(new System.IO.MemoryStream(input));
byte[] output = new byte[256];
int count = 0;
do
{
count = zis.read(output, 0, 256);
if (count > 0)
{
os.Write(output, 0, count);
}
}while (count > 0);
output = os.ToArray();
os.Close();
return(output);
}
/// <summary>
/// zlib.net 解压函数
/// </summary>
/// <param name="strSource">带解压数据源</param>
/// <returns>解压后的数据</returns>
public static string DeflateDecompress(string strSource)
{
byte[] Buffer = Convert.FromBase64String(strSource); // 解base64
using (MemoryStream intms = new MemoryStream(Buffer))
{
using (zlib.ZInputStream inZStream = new zlib.ZInputStream(intms))
{
int size = short.MaxValue;
byte[] buffer = new byte[size];
using (MemoryStream ms = new MemoryStream())
{
while ((size = inZStream.read(buffer, 0, size)) != -1)
{
ms.Write(buffer, 0, size);
}
inZStream.Close();
return(Encoding.UTF8.GetString(ms.ToArray(), 0, (int)ms.Length));
}
}
}
}
/// <summary>
/// All profile stuff: crd (u play credentials), LocalProfiles.json and profiles themselves
/// Good for RS2014 and RS1
/// </summary>
/// <param name="str"></param>
/// <param name="outStream"></param>
public static void DecryptProfile(Stream str, Stream outStream)
{
var source = BigEndianBitConverter.Little;
var dec = EndianBitConverter.Big;
using (var decrypted = new MemoryStream())
using (EndianBinaryReader br = new EndianBinaryReader(source, str))
using (EndianBinaryReader brDec = new EndianBinaryReader(dec, decrypted))
{
//EVAS + header
br.ReadBytes(16);
byte[] key = PCSaveKey;
uint zLen = br.ReadUInt32(); //size
// baseStr.pos = 20
DecryptFile(br.BaseStream, decrypted, key);
//unZip
int bSize = 1;
brDec.BaseStream.Position = 0;
ushort xU = brDec.ReadUInt16();
//back to 0
brDec.BaseStream.Position -= 2;
if (xU == 30938)//LE 55928 //BE 30938
{
var z = new zlib.ZInputStream(brDec.BaseStream);
do
{
byte[] buf = new byte[bSize];
z.read(buf, 0, bSize);
outStream.Write(buf, 0, bSize);
} while (outStream.Length < (long)zLen);
z.Close();
}
}
outStream.Flush();
outStream.Position = 0;
}
/// <summary>
/// All profile stuff: crd (u play credentials), LocalProfiles.json and profiles themselves
/// Good for RS2014 and RS1
/// </summary>
/// <param name="str"></param>
/// <param name="outStream"></param>
public static void DecryptProfile(Stream str, Stream outStream)
{
var source = BigEndianBitConverter.Little;
var dec = EndianBitConverter.Big;
using (var decrypted = new MemoryStream())
using (EndianBinaryReader br = new EndianBinaryReader(source, str))
using (EndianBinaryReader brDec = new EndianBinaryReader(dec, decrypted))
{
//EVAS + header
br.ReadBytes(16);
byte[] key = PCSaveKey;
uint zLen = br.ReadUInt32(); //size
// baseStr.pos = 20
DecryptFile(br.BaseStream, decrypted, key);
//unZip
int bSize = 1;
brDec.BaseStream.Position = 0;
ushort xU = brDec.ReadUInt16();
//back to 0
brDec.BaseStream.Position -= 2;
if (xU == 30938)//LE 55928 //BE 30938
{
var z = new zlib.ZInputStream(brDec.BaseStream);
do
{
byte[] buf = new byte[bSize];
z.read(buf, 0, bSize);
outStream.Write(buf, 0, bSize);
} while (outStream.Length < (long)zLen);
z.Close();
}
}
outStream.Flush();
outStream.Position = 0;
}
public static byte[] Decompress(byte[] input)
{
System.IO.MemoryStream os = new System.IO.MemoryStream();
zlib.ZInputStream zis = new zlib.ZInputStream(new System.IO.MemoryStream(input));
byte[] output = new byte[256];
int count = 0;
do
{
count = zis.read(output, 0, 256);
if (count > 0)
{
os.Write(output, 0, count);
}
}
while (count > 0);
output = os.ToArray();
os.Close();
return output;
}
