public static void ExtractBarFile(string inputFile, string file, string outputPath, bool convertFile = true)
{
if (string.IsNullOrWhiteSpace(file))
{
throw new ArgumentNullException(nameof(file), "Value cannot be null or empty.");
}
if (!File.Exists(inputFile))
{
throw new FileNotFoundException($"File '{inputFile}' not found!", inputFile);
}
if (!outputPath.EndsWith(Path.DirectorySeparatorChar.ToString()))
{
outputPath = outputPath + Path.DirectorySeparatorChar;
}
BarFile barFilesInfo;
using (var fileStream = File.Open(inputFile, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (var binReader = new BinaryReader(fileStream))
{
//Read Header
binReader.BaseStream.Seek(0, SeekOrigin.Begin); //Seek to header
var barFileHeader = new BarFileHeader(binReader);
//Read Files Info
binReader.BaseStream.Seek(barFileHeader.FilesTableOffset, SeekOrigin.Begin); //Seek to file table
barFilesInfo = new BarFile(binReader);
}
}
var barFileInfo = barFilesInfo.BarFileEntrys.First(
key => string.Equals(key.FileName, file, StringComparison.OrdinalIgnoreCase));
using (var fileStream = File.Open(inputFile, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (var binReader = new BinaryReader(fileStream))
{
binReader.BaseStream.Seek(barFileInfo.Offset, SeekOrigin.Begin); //Seek to file
var path = Path.Combine(outputPath, barFilesInfo.RootPath,
Path.GetDirectoryName(barFileInfo.FileName) ?? string.Empty);
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
var filePath = Path.Combine(outputPath, barFilesInfo.RootPath, barFileInfo.FileName);
//Extract to tmp file
var tempFileName = Path.GetTempFileName();
using (var fileStreamFinal =
File.Open(tempFileName, FileMode.Create, FileAccess.Write, FileShare.None))
{
using (var final = new BinaryWriter(fileStreamFinal))
{
var buffer = new byte[4096];
int read;
var totalread = 0L;
while ((read = binReader.Read(buffer, 0, buffer.Length)) > 0)
{
if (read > barFileInfo.FileSize)
{
totalread = barFileInfo.FileSize;
final.Write(buffer, 0, barFileInfo.FileSize);
}
else if (totalread + read <= barFileInfo.FileSize)
{
totalread += read;
final.Write(buffer, 0, read);
}
else if (totalread + read > barFileInfo.FileSize)
{
var leftToRead = barFileInfo.FileSize - totalread;
totalread = barFileInfo.FileSize;
final.Write(buffer, 0, Convert.ToInt32(leftToRead));
}
if (totalread >= barFileInfo.FileSize)
{
break;
}
}
}
}
//Convert file
if (convertFile)
{
if (L33TZipUtils.IsL33TZipFile(tempFileName) &&
!barFileInfo.FileName.EndsWith(".age4scn", StringComparison.OrdinalIgnoreCase))
{
var rnd = new Random(Guid.NewGuid().GetHashCode());
var tempFileName2 =
Path.Combine(Path.GetTempPath(),
$"{Path.GetFileName(barFileInfo.FileName)}-{rnd.Next()}.tmp");
L33TZipUtils.ExtractL33TZipFile(tempFileName, tempFileName2);
if (File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
tempFileName = tempFileName2;
}
if (barFileInfo.FileName.EndsWith(".xmb", StringComparison.OrdinalIgnoreCase))
{
try
{
var rnd = new Random(Guid.NewGuid().GetHashCode());
var tempFileName2 =
Path.Combine(Path.GetTempPath(),
$"{Path.GetFileName(barFileInfo.FileName)}-{rnd.Next()}.tmp");
XmbFileUtils.XmbToXml(tempFileName, tempFileName2);
if (File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
tempFileName = tempFileName2;
filePath = filePath.Substring(0, filePath.Length - 4);
}
catch (Exception)
{
//
}
}
else if (barFileInfo.FileName.EndsWith(".age4scn",
StringComparison.OrdinalIgnoreCase) &&
!L33TZipUtils.IsL33TZipFile(tempFileName))
{
var rnd = new Random(Guid.NewGuid().GetHashCode());
var tempFileName2 =
Path.Combine(Path.GetTempPath(),
$"{Path.GetFileName(barFileInfo.FileName)}-{rnd.Next()}.tmp");
L33TZipUtils.CreateL33TZipFile(tempFileName, tempFileName2);
if (File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
tempFileName = tempFileName2;
}
}
//Move new file
if (File.Exists(filePath))
{
File.Delete(filePath);
}
//
File.Move(tempFileName, filePath);
//
File.SetCreationTimeUtc(filePath,
new DateTime(barFileInfo.LastWriteTime.Year, barFileInfo.LastWriteTime.Month,
barFileInfo.LastWriteTime.Day, barFileInfo.LastWriteTime.Hour,
barFileInfo.LastWriteTime.Minute, barFileInfo.LastWriteTime.Second));
File.SetLastWriteTimeUtc(filePath,
new DateTime(barFileInfo.LastWriteTime.Year, barFileInfo.LastWriteTime.Month,
barFileInfo.LastWriteTime.Day, barFileInfo.LastWriteTime.Hour,
barFileInfo.LastWriteTime.Minute, barFileInfo.LastWriteTime.Second));
}
}
}
