103 lines
4.0 KiB
Python
103 lines
4.0 KiB
Python
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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# Copyright 2013 The Plaso Project Authors.
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# Please see the AUTHORS file for details on individual authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""This file contains a bencode plugin for Transmission BitTorrent data."""
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from plaso.events import time_events
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from plaso.lib import eventdata
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from plaso.parsers import bencode_parser
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from plaso.parsers.bencode_plugins import interface
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class TransmissionEvent(time_events.PosixTimeEvent):
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"""Convenience class for a Transmission BitTorrent activity event."""
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DATA_TYPE = 'p2p:bittorrent:transmission'
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def __init__(self, timestamp, timestamp_description, destination, seedtime):
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"""Initializes the event.
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Args:
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timestamp: The POSIX timestamp of the event.
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timestamp_desc: A short description of the meaning of the timestamp.
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destination: Downloaded file name within .torrent file
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seedtime: Number of seconds client seeded torrent
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"""
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super(TransmissionEvent, self).__init__(timestamp, timestamp_description)
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self.destination = destination
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self.seedtime = seedtime // 60 # Convert seconds to minutes.
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class TransmissionPlugin(interface.BencodePlugin):
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"""Parse Transmission BitTorrent activity file for current torrents."""
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NAME = 'bencode_transmission'
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DESCRIPTION = u'Parser for Transmission bencoded files.'
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BENCODE_KEYS = frozenset([
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'activity-date', 'done-date', 'added-date', 'destination',
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'seeding-time-seconds'])
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def GetEntries(
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self, parser_context, file_entry=None, parser_chain=None, data=None,
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**unused_kwargs):
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"""Extract data from Transmission's resume folder files.
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This is the main parsing engine for the parser. It determines if
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the selected file is the proper file to parse and extracts current
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running torrents.
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Transmission stores an individual Bencoded file for each active download
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in a folder named resume under the user's application data folder.
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Args:
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parser_context: A parser context object (instance of ParserContext).
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file_entry: Optional file entry object (instance of dfvfs.FileEntry).
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The default is None.
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parser_chain: Optional string containing the parsing chain up to this
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point. The default is None.
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data: Optional bencode data in dictionary form. The default is None.
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"""
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# Place the obtained values into the event.
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destination = data.get('destination', None)
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seeding_time = data.get('seeding-time-seconds', None)
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# Create timeline events based on extracted values.
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if data.get('added-date', 0):
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event_object = TransmissionEvent(
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data.get('added-date'), eventdata.EventTimestamp.ADDED_TIME,
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destination, seeding_time)
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parser_context.ProduceEvent(
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event_object, parser_chain=parser_chain, file_entry=file_entry)
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if data.get('done-date', 0):
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event_object = TransmissionEvent(
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data.get('done-date'), eventdata.EventTimestamp.FILE_DOWNLOADED,
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destination, seeding_time)
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parser_context.ProduceEvent(
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event_object, parser_chain=parser_chain, file_entry=file_entry)
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if data.get('activity-date', None):
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event_object = TransmissionEvent(
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data.get('activity-date'), eventdata.EventTimestamp.ACCESS_TIME,
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destination, seeding_time)
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parser_context.ProduceEvent(
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event_object, parser_chain=parser_chain, file_entry=file_entry)
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bencode_parser.BencodeParser.RegisterPlugin(TransmissionPlugin)
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