public static bool AllowedToAccess(this Path chjailedRootPath, string otherDirectory)
{
var other = new Path(otherDirectory);
// if the given non-root is empty, we are looking at a relative path
if (String.IsNullOrEmpty(other.Info.Root))
return true;
// they must be on the same drive.
if (!String.IsNullOrEmpty(chjailedRootPath.Info.DriveLetter) && other.Info.DriveLetter != chjailedRootPath.Info.DriveLetter)
return false;
// we do not allow access to directories outside of the specified directory.
return other.Info.IsParentOf(chjailedRootPath.Info);
}
static IEnumerable<string> GetFilterPaths(string filter)
{
var lastWasSubFolder = false;
var path = new Path(filter);
foreach (var segment in path.Segments)
{
if (segment == Subfolder)
if (!lastWasSubFolder)
lastWasSubFolder = true;
else
continue;
else
lastWasSubFolder = false;
yield return segment;
}
}