# -*- coding: utf-8 -*-
"""The Core Storage (CS) volume system."""
from dfvfs.lib import definitions
from dfvfs.volume import factory
from dfvfs.volume import volume_system
[docs]
class CSVolume(volume_system.Volume):
"""Volume that uses pyfvde."""
[docs]
def __init__(self, file_entry):
"""Initializes a CS volume.
Args:
file_entry (CSFileEntry): a CS file entry.
"""
super(CSVolume, self).__init__(file_entry.name)
self._file_entry = file_entry
def _Parse(self):
"""Extracts attributes and extents from the volume."""
fvde_logical_volume = self._file_entry.GetFVDELogicalVolume()
volume_attribute = volume_system.VolumeAttribute(
'identifier', fvde_logical_volume.identifier)
self._AddAttribute(volume_attribute)
# TODO: implement in pyfvde
# TODO: add support for creation time
# TODO: add support for logical volume extents
volume_extent = volume_system.VolumeExtent(0, fvde_logical_volume.size)
self._extents.append(volume_extent)
[docs]
class CSVolumeSystem(volume_system.VolumeSystem):
"""Volume system that uses pyfvde."""
TYPE_INDICATOR = definitions.TYPE_INDICATOR_CS
VOLUME_IDENTIFIER_PREFIX = 'cs'
def _Parse(self):
"""Extracts sections and volumes from the volume system."""
root_file_entry = self._file_system.GetRootFileEntry()
for sub_file_entry in root_file_entry.sub_file_entries:
volume = CSVolume(sub_file_entry)
self._AddVolume(volume)
factory.Factory.RegisterVolumeSystem(CSVolumeSystem)