115 lines
4.3 KiB
Python
115 lines
4.3 KiB
Python
#!/usr/bin/python
|
|
# -*- coding: utf-8 -*-
|
|
|
|
# Copyright 2014 The Plaso Project Authors.
|
|
# Please see the AUTHORS file for details on individual authors.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
"""Parser for the Mac OS X Document Versions files."""
|
|
|
|
from plaso.events import time_events
|
|
from plaso.lib import eventdata
|
|
from plaso.parsers import sqlite
|
|
from plaso.parsers.sqlite_plugins import interface
|
|
|
|
|
|
__author__ = 'Joaquin Moreno Garijo (Joaquin.MorenoGarijo.2013@live.rhul.ac.uk)'
|
|
|
|
|
|
class MacDocumentVersionsEvent(time_events.PosixTimeEvent):
|
|
"""Convenience class for a entry from the Document Versions database."""
|
|
|
|
DATA_TYPE = 'mac:document_versions:file'
|
|
|
|
def __init__(self, posix_time, name, path, version_path, last_time, user_sid):
|
|
"""Initializes the event object.
|
|
|
|
Args:
|
|
posix_time: The POSIX time value.
|
|
name: name of the original file.
|
|
path: path from the original file.
|
|
version_path: path to the version copy of the original file.
|
|
last_time: the system user ID of the user that opened the file.
|
|
user_sid: identification user ID that open the file.
|
|
"""
|
|
super(MacDocumentVersionsEvent, self).__init__(
|
|
posix_time, eventdata.EventTimestamp.CREATION_TIME)
|
|
|
|
self.name = name
|
|
self.path = path
|
|
self.version_path = version_path
|
|
# TODO: shouldn't this be a separate event?
|
|
self.last_time = last_time
|
|
self.user_sid = unicode(user_sid)
|
|
|
|
|
|
class MacDocumentVersionsPlugin(interface.SQLitePlugin):
|
|
"""Parse the Mac OS X Document Versions SQLite database.."""
|
|
|
|
NAME = 'mac_document_versions'
|
|
DESCRIPTION = u'Parser for document revisions SQLite database files.'
|
|
|
|
# Define the needed queries.
|
|
# name: name from the original file.
|
|
# path: path from the original file (include the file)
|
|
# last_time: last time when the file was replicated.
|
|
# version_path: path where the version is stored.
|
|
# version_time: the timestamp when the version was created.
|
|
QUERIES = [
|
|
(('SELECT f.file_name AS name, f.file_path AS path, '
|
|
'f.file_last_seen AS last_time, g.generation_path AS version_path, '
|
|
'g.generation_add_time AS version_time FROM files f, generations g '
|
|
'WHERE f.file_storage_id = g.generation_storage_id;'),
|
|
'DocumentVersionsRow')]
|
|
|
|
# The required tables for the query.
|
|
REQUIRED_TABLES = frozenset(['files', 'generations'])
|
|
|
|
# The SQL field path is the relative path from DocumentRevisions.
|
|
# For this reason the Path to the program has to be added at the beginning.
|
|
ROOT_VERSION_PATH = u'/.DocumentRevisions-V100/'
|
|
|
|
def DocumentVersionsRow(
|
|
self, parser_context, row, file_entry=None, parser_chain=None, query=None,
|
|
**unused_kwargs):
|
|
"""Parses a document versions row.
|
|
|
|
Args:
|
|
parser_context: A parser context object (instance of ParserContext).
|
|
row: The row resulting from the query.
|
|
file_entry: Optional file entry object (instance of dfvfs.FileEntry).
|
|
The default is None.
|
|
parser_chain: Optional string containing the parsing chain up to this
|
|
point. The default is None.
|
|
query: Optional query string. The default is None.
|
|
"""
|
|
# version_path = "PerUser/UserID/xx/client_id/version_file"
|
|
# where PerUser and UserID are a real directories.
|
|
paths = row['version_path'].split(u'/')
|
|
if len(paths) < 2 or not paths[1].isdigit():
|
|
user_sid = None
|
|
else:
|
|
user_sid = paths[1]
|
|
version_path = self.ROOT_VERSION_PATH + row['version_path']
|
|
path, _, _ = row['path'].rpartition(u'/')
|
|
|
|
event_object = MacDocumentVersionsEvent(
|
|
row['version_time'], row['name'], path, version_path,
|
|
row['last_time'], user_sid)
|
|
parser_context.ProduceEvent(
|
|
event_object, query=query, parser_chain=parser_chain,
|
|
file_entry=file_entry)
|
|
|
|
|
|
sqlite.SQLiteParser.RegisterPlugin(MacDocumentVersionsPlugin)
|