92 lines
3.3 KiB
Python
92 lines
3.3 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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# Copyright 2014 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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"""Parser for the Google Chrome extension activity database files.
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The Chrome extension activity is stored in SQLite database files named
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Extension Activity.
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"""
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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 sqlite
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from plaso.parsers.sqlite_plugins import interface
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class ChromeExtensionActivityEvent(time_events.WebKitTimeEvent):
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"""Convenience class for a Chrome Extension Activity event."""
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DATA_TYPE = 'chrome:extension_activity:activity_log'
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def __init__(self, row):
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"""Initializes the event object.
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Args:
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row: The row resulting from the query (instance of sqlite3.Row).
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"""
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# TODO: change the timestamp usage from unknown to something else.
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super(ChromeExtensionActivityEvent, self).__init__(
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row['time'], eventdata.EventTimestamp.UNKNOWN)
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self.extension_id = row['extension_id']
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self.action_type = row['action_type']
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self.api_name = row['api_name']
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self.args = row['args']
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self.page_url = row['page_url']
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self.page_title = row['page_title']
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self.arg_url = row['arg_url']
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self.other = row['other']
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self.activity_id = row['activity_id']
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class ChromeExtensionActivityPlugin(interface.SQLitePlugin):
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"""Plugin to parse Chrome extension activity database files."""
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NAME = 'chrome_extension_activity'
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DESCRIPTION = u'Parser for Chrome exention activitiy SQLite database files.'
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# Define the needed queries.
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QUERIES = [
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(('SELECT time, extension_id, action_type, api_name, args, page_url, '
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'page_title, arg_url, other, activity_id '
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'FROM activitylog_uncompressed ORDER BY time'),
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'ParseActivityLogUncompressedRow')]
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REQUIRED_TABLES = frozenset([
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'activitylog_compressed', 'string_ids', 'url_ids'])
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def ParseActivityLogUncompressedRow(
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self, parser_context, row, file_entry=None, parser_chain=None, query=None,
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**unused_kwargs):
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"""Parses a file downloaded row.
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Args:
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parser_context: A parser context object (instance of ParserContext).
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row: The row resulting from the query (instance of sqlite3.Row).
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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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query: Optional query string. The default is None.
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"""
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event_object = ChromeExtensionActivityEvent(row)
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parser_context.ProduceEvent(
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event_object, query=query, parser_chain=parser_chain,
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file_entry=file_entry)
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sqlite.SQLiteParser.RegisterPlugin(ChromeExtensionActivityPlugin)
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