/// <summary>
/// Read all files from an archive to a directory. It creates some child directories to
/// reproduce a file structure from the archive.
/// </summary>
/// <param name="destDirectory">The out directory.</param>
///
/// CAUTION! This method is not safe. It's not tar-bomb proof.
/// {see http://en.wikipedia.org/wiki/Tar_(file_format) }
/// If you are not sure about the source of an archive you extracting,
/// then use MoveNext and Read and handle paths like ".." and "../.." according
/// to your business logic.
public void ReadToEnd(string destDirectory)
{
while (MoveNext(false))
{
string fileNameFromArchive = FileInfo.FileName;
string totalPath = Path.Join(destDirectory, fileNameFromArchive);
if (UsTarHeader.IsPathSeparator(fileNameFromArchive[fileNameFromArchive.Length - 1]) ||
FileInfo.EntryType == EntryType.Directory)
{
// Record is a directory
Directory.CreateDirectory(totalPath);
logger.LogDebug("Created {directory}", totalPath);
continue;
}
// If record is a file
string fileName = Path.GetFileName(totalPath);
string directory = Path.GetDirectoryName(totalPath);
Directory.CreateDirectory(directory);
using (FileStream file = File.Create(totalPath))
{
Read(file);
}
logger.LogDebug("Extracted {fileName} to {directory}", fileName, directory);
}
}
/// <summary>
/// Constructs TarReader object to read data from `tarredData` stream
/// </summary>
/// <param name="tarredData">A stream to read tar archive from</param>
public TarReader(Stream tarredData, ILoggerFactory loggerFactory)
{
logger = loggerFactory.CreateLogger <TarReader>();
inStream = tarredData;
header = new UsTarHeader();
}