# -*- coding: utf-8 -*-
"""SQLite parser plugin for Google Chrome cookies database files."""
from dfdatetime import webkit_time as dfdatetime_webkit_time
from plaso.containers import events
from plaso.lib import cookie_plugins_helper
from plaso.parsers import sqlite
from plaso.parsers.sqlite_plugins import interface
[docs]
class ChromeCookieEventData(events.EventData):
"""Chrome Cookie event data.
Attributes:
access_time (dfdatetime.DateTimeValues): date and time the cookie
was last accessed.
cookie_name (str): name of the cookie.
creation_time (dfdatetime.DateTimeValues): date and time the cookie
was created.
data (str): value of the cookie.
expiration_time (dfdatetime.DateTimeValues): date and time the cookie
expires.
host (str): hostname of host that set the cookie value.
httponly (bool): True if the cookie cannot be accessed through client
side script.
path (str): path where the cookie got set.
persistent (bool): True if the cookie is persistent.
query (str): SQL query that was used to obtain the event data.
secure (bool): True if the cookie should only be transmitted over a
secure channel.
url (str): URL or path where the cookie got set.
"""
DATA_TYPE = 'chrome:cookie:entry'
[docs]
def __init__(self):
"""Initializes event data."""
super(ChromeCookieEventData, self).__init__(data_type=self.DATA_TYPE)
self.access_time = None
self.cookie_name = None
self.creation_time = None
self.data = None
self.expiration_time = None
self.host = None
self.httponly = None
self.path = None
self.persistent = None
self.query = None
self.secure = None
self.url = None
[docs]
class BaseChromeCookiePlugin(
interface.SQLitePlugin, cookie_plugins_helper.CookiePluginsHelper):
"""SQLite parser plugin for Google Chrome cookies database files."""
# Google Analytics __utmz variable translation.
GA_UTMZ_TRANSLATION = {
'utmcsr': 'Last source used to access.',
'utmccn': 'Ad campaign information.',
'utmcmd': 'Last type of visit.',
'utmctr': 'Keywords used to find site.',
'utmcct': 'Path to the page of referring link.'}
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 ParseCookieRow(self, parser_mediator, query, row, **unused_kwargs):
"""Parses a cookie row.
Args:
parser_mediator (ParserMediator): parser mediator.
query (str): query that created the row.
row (sqlite3.Row): row resulting from the query.
"""
query_hash = hash(query)
cookie_name = self._GetRowValue(query_hash, row, 'name')
cookie_data = self._GetRowValue(query_hash, row, 'value')
hostname = self._GetRowValue(query_hash, row, 'host_key')
if hostname.startswith('.'):
hostname = hostname[1:]
httponly = self._GetRowValue(query_hash, row, 'httponly')
path = self._GetRowValue(query_hash, row, 'path')
persistent = self._GetRowValue(query_hash, row, 'persistent')
secure = self._GetRowValue(query_hash, row, 'secure')
if secure:
scheme = 'https'
else:
scheme = 'http'
url = '{0:s}://{1:s}{2:s}'.format(scheme, hostname, path)
event_data = ChromeCookieEventData()
event_data.access_time = self._GetDateTimeRowValue(
query_hash, row, 'last_access_utc')
event_data.cookie_name = cookie_name
event_data.creation_time = self._GetDateTimeRowValue(
query_hash, row, 'creation_utc')
event_data.data = cookie_data
event_data.expiration_time = self._GetDateTimeRowValue(
query_hash, row, 'expires_utc')
event_data.host = hostname
event_data.httponly = bool(httponly)
event_data.path = path
event_data.persistent = bool(persistent)
event_data.query = query
event_data.secure = bool(secure)
event_data.url = url
parser_mediator.ProduceEventData(event_data)
self._ParseCookie(parser_mediator, cookie_name, cookie_data, url)
[docs]
class Chrome17CookiePlugin(BaseChromeCookiePlugin):
"""SQLite parser plugin for Google Chrome 17 - 65 cookies database files."""
NAME = 'chrome_17_cookies'
DATA_FORMAT = 'Google Chrome 17 - 65 cookies SQLite database file'
REQUIRED_STRUCTURE = {
'cookies': frozenset([
'creation_utc', 'host_key', 'name', 'value', 'path', 'expires_utc',
'secure', 'httponly', 'last_access_utc', 'has_expires',
'persistent']),
'meta': frozenset([])}
QUERIES = [
(('SELECT creation_utc, host_key, name, value, path, expires_utc, '
'secure, httponly, last_access_utc, has_expires, persistent '
'FROM cookies'), 'ParseCookieRow')]
SCHEMAS = [{
'cookies': (
'CREATE TABLE cookies (creation_utc INTEGER NOT NULL UNIQUE PRIMARY '
'KEY, host_key TEXT NOT NULL, name TEXT NOT NULL, value TEXT NOT '
'NULL, path TEXT NOT NULL, expires_utc INTEGER NOT NULL, secure '
'INTEGER NOT NULL, httponly INTEGER NOT NULL, last_access_utc '
'INTEGER NOT NULL, has_expires INTEGER DEFAULT 1, persistent '
'INTEGER DEFAULT 1)'),
'meta': (
'CREATE TABLE meta(key LONGVARCHAR NOT NULL UNIQUE PRIMARY KEY, '
'value LONGVARCHAR)')}]
[docs]
class Chrome66CookiePlugin(BaseChromeCookiePlugin):
"""SQLite parser plugin for Google Chrome 66+ cookies database files."""
NAME = 'chrome_66_cookies'
DATA_FORMAT = 'Google Chrome 66 and later cookies SQLite database file'
REQUIRED_STRUCTURE = {
'cookies': frozenset([
'creation_utc', 'host_key', 'name', 'value', 'path', 'expires_utc',
'is_secure', 'is_httponly', 'last_access_utc', 'has_expires',
'is_persistent']),
'meta': frozenset([])}
QUERIES = [
(('SELECT creation_utc, host_key, name, value, path, expires_utc, '
'is_secure AS secure, is_httponly AS httponly, last_access_utc, '
'has_expires, is_persistent AS persistent '
'FROM cookies'), 'ParseCookieRow')]
SCHEMAS = [{
'cookies': (
'CREATE TABLE cookies (creation_utc INTEGER NOT NULL, host_key TEXT '
'NOT NULL, name TEXT NOT NULL, value TEXT NOT NULL, path TEXT NOT '
'NULL, expires_utc INTEGER NOT NULL, is_secure INTEGER NOT NULL, '
'is_httponly INTEGER NOT NULL, last_access_utc INTEGER NOT NULL, '
'has_expires INTEGER NOT NULL DEFAULT 1, is_persistent INTEGER NOT '
'NULL DEFAULT 1, priority INTEGER NOT NULL DEFAULT 1, '
'encrypted_value BLOB DEFAULT \'\', firstpartyonly INTEGER NOT NULL '
'DEFAULT 0, UNIQUE (host_key, name, path))'),
'meta': (
'CREATE TABLE meta(key LONGVARCHAR NOT NULL UNIQUE PRIMARY KEY, '
'value LONGVARCHAR)')}]
sqlite.SQLiteParser.RegisterPlugins([
Chrome17CookiePlugin, Chrome66CookiePlugin])