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

101 lines
3.2 KiB
Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright 2013 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 Android SMS database.
Android SMS messages are stored in SQLite database files named mmssms.dbs.
"""
from plaso.events import time_events
from plaso.lib import eventdata
from plaso.parsers import sqlite
from plaso.parsers.sqlite_plugins import interface
class AndroidSmsEvent(time_events.JavaTimeEvent):
"""Convenience class for an Android SMS event."""
DATA_TYPE = 'android:messaging:sms'
def __init__(self, java_time, identifier, address, sms_read, sms_type, body):
"""Initializes the event object.
Args:
java_time: The Java time value.
identifier: The row identifier.
address: The phone number associated to the sender/receiver.
status: Read or Unread.
type: Sent or Received.
body: Content of the SMS text message.
"""
super(AndroidSmsEvent, self).__init__(
java_time, eventdata.EventTimestamp.CREATION_TIME)
self.offset = identifier
self.address = address
self.sms_read = sms_read
self.sms_type = sms_type
self.body = body
class AndroidSmsPlugin(interface.SQLitePlugin):
"""Parse Android SMS database."""
NAME = 'android_sms'
DESCRIPTION = u'Parser for Android text messages SQLite database files.'
# Define the needed queries.
QUERIES = [
('SELECT _id AS id, address, date, read, type, body FROM sms',
'ParseSmsRow')]
# The required tables.
REQUIRED_TABLES = frozenset(['sms'])
SMS_TYPE = {
1: u'RECEIVED',
2: u'SENT'}
SMS_READ = {
0: u'UNREAD',
1: u'READ'}
def ParseSmsRow(
self, parser_context, row, file_entry=None, parser_chain=None, query=None,
**unused_kwargs):
"""Parses an SMS 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.
"""
# Extract and lookup the SMS type and read status.
sms_type = self.SMS_TYPE.get(row['type'], u'UNKNOWN')
sms_read = self.SMS_READ.get(row['read'], u'UNKNOWN')
event_object = AndroidSmsEvent(
row['date'], row['id'], row['address'], sms_read, sms_type, row['body'])
parser_context.ProduceEvent(
event_object, query=query, parser_chain=parser_chain,
file_entry=file_entry)
sqlite.SQLiteParser.RegisterPlugin(AndroidSmsPlugin)