# -*- coding: utf-8 -*-
"""SQLite parser plugin for Google Chrome extension activity database files."""
from dfdatetime import webkit_time as dfdatetime_webkit_time
from plaso.containers import events
from plaso.parsers import sqlite
from plaso.parsers.sqlite_plugins import interface
[docs]
class ChromeExtensionActivityEventData(events.EventData):
"""Chrome Extension Activity event data.
Attributes:
action_type (str): action type.
activity_id (str): activity identifier.
api_name (str): name of API.
arg_url (str): URL argument.
args (str): arguments.
extension_id (str): extension identifier.
other (str): other.
page_title (str): title of webpage.
page_url (str): URL of webpage.
query (str): SQL query that was used to obtain the event data.
recorded_time (dfdatetime.DateTimeValues): date and time the entry
was recorded.
"""
DATA_TYPE = 'chrome:extension_activity:activity_log'
[docs]
def __init__(self):
"""Initializes event data."""
super(ChromeExtensionActivityEventData, self).__init__(
data_type=self.DATA_TYPE)
self.action_type = None
self.activity_id = None
self.api_name = None
self.arg_url = None
self.args = None
self.extension_id = None
self.other = None
self.page_title = None
self.page_url = None
self.query = None
self.recorded_time = None
[docs]
class ChromeExtensionActivityPlugin(interface.SQLitePlugin):
"""SQLite parser plugin for Google Chrome extension activity database files.
The Google Chrome extension activity database file is typically stored in:
Extension Activity
"""
NAME = 'chrome_extension_activity'
DATA_FORMAT = 'Google Chrome extension activity SQLite database file'
REQUIRED_STRUCTURE = {
'activitylog_compressed': frozenset([
'time', 'extension_id_x', 'action_type', 'api_name_x', 'args_x',
'page_url_x', 'page_title_x', 'arg_url_x', 'other_x'])}
QUERIES = [
(('SELECT time, extension_id, action_type, api_name, args, page_url, '
'page_title, arg_url, other, activity_id '
'FROM activitylog_uncompressed ORDER BY time'),
'ParseActivityLogUncompressedRow')]
SCHEMAS = [{
'activitylog_compressed': (
'CREATE TABLE activitylog_compressed (count INTEGER NOT NULL '
'DEFAULT 1, extension_id_x INTEGER NOT NULL, time INTEGER, '
'action_type INTEGER, api_name_x INTEGER, args_x INTEGER, '
'page_url_x INTEGER, page_title_x INTEGER, arg_url_x INTEGER, '
'other_x INTEGER)'),
'string_ids': (
'CREATE TABLE string_ids (id INTEGER PRIMARY KEY, value TEXT NOT '
'NULL)'),
'url_ids': (
'CREATE TABLE url_ids (id INTEGER PRIMARY KEY, value TEXT NOT '
'NULL)')}]
def _GetDateTimeRowValue(self, query_hash, row, value_name):
"""Retrieves a date and time value from the row.
Args:
query_hash (int): hash of the query, that uniquely identifies the query
that produced the row.
row (sqlite3.Row): row.
value_name (str): name of the value.
Returns:
dfdatetime.WebKitTime: date and time value or None if not available.
"""
timestamp = self._GetRowValue(query_hash, row, value_name)
if timestamp is None:
return None
return dfdatetime_webkit_time.WebKitTime(timestamp=timestamp)
[docs]
def ParseActivityLogUncompressedRow(
self, parser_mediator, query, row, **unused_kwargs):
"""Parses an activity log row.
Args:
parser_mediator (ParserMediator): mediates interactions between parsers
and other components, such as storage and dfVFS.
query (str): query that created the row.
row (sqlite3.Row): row.
"""
query_hash = hash(query)
event_data = ChromeExtensionActivityEventData()
event_data.action_type = self._GetRowValue(query_hash, row, 'action_type')
event_data.activity_id = self._GetRowValue(query_hash, row, 'activity_id')
event_data.api_name = self._GetRowValue(query_hash, row, 'api_name')
event_data.arg_url = self._GetRowValue(query_hash, row, 'arg_url')
event_data.args = self._GetRowValue(query_hash, row, 'args')
event_data.extension_id = self._GetRowValue(query_hash, row, 'extension_id')
event_data.other = self._GetRowValue(query_hash, row, 'other')
event_data.page_title = self._GetRowValue(query_hash, row, 'page_title')
event_data.page_url = self._GetRowValue(query_hash, row, 'page_url')
event_data.query = query
event_data.recorded_time = self._GetDateTimeRowValue(
query_hash, row, 'time')
parser_mediator.ProduceEventData(event_data)
sqlite.SQLiteParser.RegisterPlugin(ChromeExtensionActivityPlugin)