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

112 lines
3.7 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 contacts2 Call History.
Android Call History is stored in SQLite database files named contacts2.db.
"""
from plaso.events import time_events
from plaso.parsers import sqlite
from plaso.parsers.sqlite_plugins import interface
class AndroidCallEvent(time_events.JavaTimeEvent):
"""Convenience class for an Android Call History event."""
DATA_TYPE = 'android:event:call'
def __init__(
self, java_time, usage, identifier, number, name, duration, call_type):
"""Initializes the event object.
Args:
java_time: The Java time value.
usage: The description of the usage of the time value.
identifier: The row identifier.
number: The phone number associated to the remote party.
duration: The number of seconds the call lasted.
call_type: Incoming, Outgoing, or Missed.
"""
super(AndroidCallEvent, self).__init__(java_time, usage)
self.offset = identifier
self.number = number
self.name = name
self.duration = duration
self.call_type = call_type
class AndroidCallPlugin(interface.SQLitePlugin):
"""Parse Android contacts2 database."""
NAME = 'android_calls'
DESCRIPTION = u'Parser for Android calls SQLite database files.'
# Define the needed queries.
QUERIES = [
('SELECT _id AS id, date, number, name, duration, type FROM calls',
'ParseCallsRow')]
CALL_TYPE = {
1: u'INCOMING',
2: u'OUTGOING',
3: u'MISSED'}
def ParseCallsRow(
self, parser_context, row, file_entry=None, parser_chain=None, query=None,
**unused_kwargs):
"""Parses a Call record 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 call type.
call_type = self.CALL_TYPE.get(row['type'], u'UNKNOWN')
event_object = AndroidCallEvent(
row['date'], u'Call Started', row['id'], row['number'], row['name'],
row['duration'], call_type)
parser_context.ProduceEvent(
event_object, parser_chain=parser_chain, file_entry=file_entry,
query=query)
duration = row['duration']
if isinstance(duration, basestring):
try:
duration = int(duration, 10)
except ValueError:
duration = 0
if duration:
# The duration is in seconds and the date value in milli seconds.
duration *= 1000
event_object = AndroidCallEvent(
row['date'] + duration, u'Call Ended', row['id'], row['number'],
row['name'], row['duration'], call_type)
parser_context.ProduceEvent(
event_object, query=query, parser_chain=parser_chain,
file_entry=file_entry)
sqlite.SQLiteParser.RegisterPlugin(AndroidCallPlugin)