plaso-rubanetra/plaso/parsers/sqlite_plugins/appusage.py
2020-04-06 18:48:34 +02:00

109 lines
3.8 KiB
Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright 2012 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.
"""This file contains a parser for the Mac OS X application usage.
The application usage is stored in SQLite database files named
/var/db/application_usage.sqlite
"""
from plaso.events import time_events
from plaso.parsers import sqlite
from plaso.parsers.sqlite_plugins import interface
class MacOSXApplicationUsageEvent(time_events.PosixTimeEvent):
"""Convenience class for a Mac OS X application usage event."""
DATA_TYPE = 'macosx:application_usage'
def __init__(
self, posix_time, usage, application_name, application_version,
bundle_id, number_of_times):
"""Initializes the event object.
Args:
posix_time: The POSIX time value.
usage: The description of the usage of the time value.
application_name: The name of the application.
application_version: The version of the application.
bundle_id: The bundle identifier of the application.
number_of_times: TODO: number of times what?
"""
super(MacOSXApplicationUsageEvent, self).__init__(posix_time, usage)
self.application = application_name
self.app_version = application_version
self.bundle_id = bundle_id
self.count = number_of_times
class ApplicationUsagePlugin(interface.SQLitePlugin):
"""Parse Application Usage history files.
Application usage is a SQLite database that logs down entries
triggered by NSWorkspaceWillLaunchApplicationNotification and
NSWorkspaceDidTerminateApplicationNotification NSWorkspace notifications by
crankd.
See the code here:
http://code.google.com/p/google-macops/source/browse/trunk/crankd/\
ApplicationUsage.py
Default installation: /var/db/application_usage.sqlite
"""
NAME = 'appusage'
DESCRIPTION = u'Parser for Mac OS X application usage SQLite database files.'
# Define the needed queries.
QUERIES = [(
('SELECT last_time, event, bundle_id, app_version, app_path, '
'number_times FROM application_usage ORDER BY last_time'),
'ParseApplicationUsageRow')]
# The required tables.
REQUIRED_TABLES = frozenset(['application_usage'])
def ParseApplicationUsageRow(
self, parser_context, row, file_entry=None, parser_chain=None, query=None,
**unused_kwargs):
"""Parses an application usage 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.
"""
# TODO: replace usage by definition(s) in eventdata. Not sure which values
# it will hold here.
usage = u'Application {0:s}'.format(row['event'])
event_object = MacOSXApplicationUsageEvent(
row['last_time'], usage, row['app_path'], row['app_version'],
row['bundle_id'], row['number_times'])
parser_context.ProduceEvent(
event_object, query=query, parser_chain=parser_chain,
file_entry=file_entry)
sqlite.SQLiteParser.RegisterPlugin(ApplicationUsagePlugin)