private Stream Decrypt(out ArchiveListingHeaderV2 header)
{
Stream result = _accessor.ExtractListing();
try
{
header = result.ReadStruct<ArchiveListingHeaderV2>();
if (header.IsValid(result.Length))
return result;
using (TempFileProvider tmpProvider = new TempFileProvider("filelist", ".win32.bin"))
{
using (Stream output = tmpProvider.Create())
{
output.WriteStruct(header);
result.CopyTo(output);
result.SafeDispose();
}
Process decrypter = new Process
{
StartInfo = new ProcessStartInfo()
{
FileName = @"Resources\Executable\ffxiiicrypt.exe",
Arguments = "-d \"" + tmpProvider.FilePath + "\" 2",
CreateNoWindow = true,
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true
}
};
decrypter.Start();
Task<string> erroMessage = decrypter.StandardError.ReadToEndAsync();
Task<string> outputMessage = decrypter.StandardOutput.ReadToEndAsync();
decrypter.WaitForExit();
if (decrypter.ExitCode != 0)
{
StringBuilder sb = new StringBuilder("Decryption error! Code: ");
sb.AppendLine(decrypter.ExitCode.ToString());
sb.AppendLine("Error: ");
sb.AppendLine(erroMessage.Result);
sb.AppendLine("Output: ");
sb.AppendLine(outputMessage.Result);
throw new InvalidDataException(sb.ToString());
}
result = tmpProvider.OpenRead();
header = result.ReadStruct<ArchiveListingHeaderV2>();
if (!header.IsValid(result.Length))
throw new InvalidDataException();
}
return result;
}
catch
{
result.SafeDispose();
throw;
}
}
private void RecreateEncryptedListing(MemoryStream headerBuff, int hederSize, MemoryStream textBuff, int blocksSize, byte[] buff)
{
using (TempFileProvider tmpProvider = new TempFileProvider("filelist", ".win32.bin"))
{
using (Stream output = tmpProvider.Create())
{
headerBuff.CopyToStream(output, hederSize, buff);
textBuff.CopyToStream(output, blocksSize, buff);
}
Process encrypter = new Process
{
StartInfo = new ProcessStartInfo()
{
FileName = @"Resources\Executable\ffxiiicrypt.exe",
Arguments = "-e \"" + tmpProvider.FilePath + "\" 2",
CreateNoWindow = true,
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true
}
};
encrypter.Start();
Task<string> erroMessage = encrypter.StandardError.ReadToEndAsync();
Task<string> outputMessage = encrypter.StandardOutput.ReadToEndAsync();
encrypter.WaitForExit();
if (encrypter.ExitCode != 0)
{
StringBuilder sb = new StringBuilder("Decryption error! Code: ");
sb.AppendLine(encrypter.ExitCode.ToString());
sb.AppendLine("Error: ");
sb.AppendLine(erroMessage.Result);
sb.AppendLine("Output: ");
sb.AppendLine(outputMessage.Result);
throw new InvalidDataException(sb.ToString());
}
using (Stream input = tmpProvider.OpenRead())
using (Stream output = _accessor.RecreateListing((Int32)input.Length))
input.CopyToStream(output, (Int32)input.Length, buff);
}
}