# -*- coding: utf-8 -*-
"""SQLite parser plugin for Safari history database files."""
from dfdatetime import cocoa_time as dfdatetime_cocoa_time
from plaso.containers import events
from plaso.parsers import sqlite
from plaso.parsers.sqlite_plugins import interface
[docs]
class SafariHistoryPageVisitedEventData(events.EventData):
"""Safari history event data.
Attributes:
host (str): hostname of the server.
last_visited_time (dfdatetime.DateTimeValues): date and time the URL was
last visited.
offset (str): identifier of the row, from which the event data was
extracted.
query (str): SQL query that was used to obtain the event data.
title (str): title of the webpage visited.
url (str): URL visited.
visit_count (int): number of times the website was visited.
was_http_non_get (bool): True if the webpage was visited using a
non-GET HTTP request.
"""
DATA_TYPE = 'safari:history:visit_sqlite'
[docs]
def __init__(self):
"""Initializes event data."""
super(SafariHistoryPageVisitedEventData, self).__init__(
data_type=self.DATA_TYPE)
self.host = None
self.last_visited_time = None
self.offset = None
self.query = None
self.title = None
self.url = None
self.visit_count = None
self.visit_redirect_source = None
self.was_http_non_get = None
[docs]
class SafariHistoryPluginSqlite(interface.SQLitePlugin):
"""SQLite parser plugin for Safari history database files.
The Safari history database file is typically stored in:
History.db
"""
NAME = 'safari_historydb'
DATA_FORMAT = 'Safari history SQLite database (History.db) file'
REQUIRED_STRUCTURE = {
'history_items': frozenset([
'id', 'url', 'visit_count']),
'history_visits': frozenset([
'id', 'history_item', 'visit_time', 'redirect_destination', 'title',
'http_non_get', 'redirect_source'])}
QUERIES = [
(('SELECT history_items.id, history_items.url, history_items.visit'
'_count, history_visits.id AS visit_id, history_visits.history_item,'
'history_visits.visit_time, history_visits.redirect_destination, '
'history_visits.title, history_visits.http_non_get, '
'history_visits.redirect_source '
'FROM history_items, history_visits '
'WHERE history_items.id = history_visits.history_item '
'ORDER BY history_visits.visit_time'), 'ParsePageVisitRow')]
SCHEMAS = [{
'history_client_versions': (
'CREATE TABLE history_client_versions (client_version INTEGER '
'PRIMARY KEY,last_seen REAL NOT NULL)'),
'history_event_listeners': (
'CREATE TABLE history_event_listeners (listener_name TEXT PRIMARY '
'KEY NOT NULL UNIQUE,last_seen REAL NOT NULL)'),
'history_events': (
'CREATE TABLE history_events (id INTEGER PRIMARY KEY '
'AUTOINCREMENT,event_type TEXT NOT NULL,event_time REAL NOT '
'NULL,pending_listeners TEXT NOT NULL,value BLOB)'),
'history_items': (
'CREATE TABLE history_items (id INTEGER PRIMARY KEY '
'AUTOINCREMENT,url TEXT NOT NULL UNIQUE,domain_expansion TEXT '
'NULL,visit_count INTEGER NOT NULL,daily_visit_counts BLOB NOT '
'NULL,weekly_visit_counts BLOB NULL,autocomplete_triggers BLOB '
'NULL,should_recompute_derived_visit_counts INTEGER NOT '
'NULL,visit_count_score INTEGER NOT NULL)'),
'history_tombstones': (
'CREATE TABLE history_tombstones (id INTEGER PRIMARY KEY '
'AUTOINCREMENT,start_time REAL NOT NULL,end_time REAL NOT NULL,url '
'TEXT,generation INTEGER NOT NULL DEFAULT 0)'),
'history_visits': (
'CREATE TABLE history_visits (id INTEGER PRIMARY KEY '
'AUTOINCREMENT,history_item INTEGER NOT NULL REFERENCES '
'history_items(id) ON DELETE CASCADE,visit_time REAL NOT NULL,title '
'TEXT NULL,load_successful BOOLEAN NOT NULL DEFAULT 1,http_non_get '
'BOOLEAN NOT NULL DEFAULT 0,synthesized BOOLEAN NOT NULL DEFAULT '
'0,redirect_source INTEGER NULL UNIQUE REFERENCES '
'history_visits(id) ON DELETE CASCADE,redirect_destination INTEGER '
'NULL UNIQUE REFERENCES history_visits(id) ON DELETE CASCADE,origin '
'INTEGER NOT NULL DEFAULT 0,generation INTEGER NOT NULL DEFAULT '
'0,attributes INTEGER NOT NULL DEFAULT 0,score INTEGER NOT NULL '
'DEFAULT 0)'),
'metadata': (
'CREATE TABLE metadata (key TEXT NOT NULL UNIQUE, value)')}]
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.CocoaTime: 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_cocoa_time.CocoaTime(timestamp=timestamp)
[docs]
def ParsePageVisitRow(self, parser_mediator, query, row, **unused_kwargs):
"""Parses a visited 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)
was_http_non_get = self._GetRowValue(query_hash, row, 'http_non_get')
event_data = SafariHistoryPageVisitedEventData()
event_data.last_visited_time = self._GetDateTimeRowValue(
query_hash, row, 'visit_time')
event_data.offset = self._GetRowValue(query_hash, row, 'id')
event_data.query = query
event_data.title = self._GetRowValue(query_hash, row, 'title') or None
event_data.url = self._GetRowValue(query_hash, row, 'url')
event_data.visit_count = self._GetRowValue(query_hash, row, 'visit_count')
event_data.was_http_non_get = bool(was_http_non_get)
parser_mediator.ProduceEventData(event_data)
sqlite.SQLiteParser.RegisterPlugin(SafariHistoryPluginSqlite)