/// </summary>
// Iterates through each file entry within the supplied tar,
// extracting them to the nominated folder.
/// </summary>
public static void ExtractTarByEntry(TarInputStream tarIn, string targetDir)
{
TarEntry tarEntry;
while ((tarEntry = tarIn.GetNextEntry()) != null)
{
// Converts the unix forward slashes in the filenames to windows backslashes
string name = tarEntry.Name.Replace('/', Path.DirectorySeparatorChar);
// Remove any root e.g. '\' because a PathRooted filename defeats Path.Combine
if (Path.IsPathRooted(name))
{
name = name.Substring(System.IO.Path.GetPathRoot(name).Length);
}
// Apply further name transformations here as necessary
string outName = Path.Combine(targetDir, name);
string directoryName = Path.GetDirectoryName(outName);
try {
if (tarEntry.IsDirectory)
{
Directory.CreateDirectory(outName);
continue;
}
// Does nothing if directory exists
Directory.CreateDirectory(directoryName);
try {
using (var outStr = File.Open(outName, FileMode.Create)) {
tarIn.CopyEntryContents(outStr);
}
// Set the modification date/time. This approach seems to solve timezone issues.
DateTime myDt = DateTime.SpecifyKind(tarEntry.ModTime, DateTimeKind.Utc);
File.SetLastWriteTime(outName, myDt);
} catch (NotSupportedException) {
Console.WriteLine($"[!] invalid file name: {outName}");
} catch (PathTooLongException) {
Console.WriteLine($"[!] file name too long?! {outName}");
}
} catch (NotSupportedException) {
Console.WriteLine($"[!] invalid directory name: {directoryName}");
}
}
}
public override void SetLastWriteTime(string path, DateTime lastWriteTime)
{
AfsFile.SetLastWriteTime(path, lastWriteTime);
}