Exemplo n.º 1
0
        /// <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);
            }
        }
Exemplo n.º 2
0
 /// <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();
 }