2019-09-15 22:04:27 -04:00

307 lines
13 KiB
Python

"""
Autopsy Forensic Browser
Copyright 2019 Basis Technology Corp.
Contact: carrier <at> sleuthkit <dot> org
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
"""
from java.io import File
from java.lang import Class
from java.lang import ClassNotFoundException
from java.lang import Long
from java.lang import String
from java.sql import ResultSet
from java.sql import SQLException
from java.sql import Statement
from java.util.logging import Level
from java.util import ArrayList
from org.apache.commons.codec.binary import Base64
from org.sleuthkit.autopsy.casemodule import Case
from org.sleuthkit.autopsy.coreutils import Logger
from org.sleuthkit.autopsy.coreutils import MessageNotifyUtil
from org.sleuthkit.autopsy.coreutils import AppSQLiteDB
from org.sleuthkit.autopsy.coreutils import AppDBParserHelper
from org.sleuthkit.autopsy.datamodel import ContentUtils
from org.sleuthkit.autopsy.ingest import IngestJobContext
from org.sleuthkit.datamodel import AbstractFile
from org.sleuthkit.datamodel import BlackboardArtifact
from org.sleuthkit.datamodel import BlackboardAttribute
from org.sleuthkit.datamodel import Content
from org.sleuthkit.datamodel import TskCoreException
from org.sleuthkit.datamodel import Account
from TskContactsParser import TskContactsParser
from TskMessagesParser import TskMessagesParser
from TskCallLogsParser import TskCallLogsParser
import traceback
import general
class LineAnalyzer(general.AndroidComponentAnalyzer):
"""
Parses the Line App databases for TSK contacts & message artifacts.
"""
def __init__(self):
self._logger = Logger.getLogger(self.__class__.__name__)
self._LINE_PACKAGE_NAME = "jp.naver.line.android"
self._PARSER_NAME = "Line Parser"
self._VERSION = "9.15.1"
def analyze(self, dataSource, fileManager, context):
try:
contact_and_message_dbs = AppSQLiteDB.findAppDatabases(dataSource,
"naver_line", True, self._LINE_PACKAGE_NAME)
calllog_dbs = AppSQLiteDB.findAppDatabases(dataSource,
"call_history", True, self._LINE_PACKAGE_NAME)
for contact_and_message_db in contact_and_message_dbs:
helper = AppDBParserHelper(self._PARSER_NAME,
contact_and_message_db.getDBFile(), Account.Type.LINE)
contacts_parser = LineContactsParser(contact_and_message_db)
while contacts_parser.next():
helper.addContact(
contacts_parser.get_account_name(),
contacts_parser.get_contact_name(),
contacts_parser.get_phone(),
contacts_parser.get_home_phone(),
contacts_parser.get_mobile_phone(),
contacts_parser.get_email()
)
contacts_parser.close()
messages_parser = LineMessagesParser(contact_and_message_db)
while messages_parser.next():
helper.addMessage(
messages_parser.get_message_type(),
messages_parser.get_message_direction(),
messages_parser.get_phone_number_from(),
messages_parser.get_phone_number_to(),
messages_parser.get_message_date_time(),
messages_parser.get_message_read_status(),
messages_parser.get_message_subject(),
messages_parser.get_message_text(),
messages_parser.get_thread_id()
)
messages_parser.close()
contact_and_message_db.close()
for calllog_db in calllog_dbs:
helper = AppDBParserHelper(self._PARSER_NAME,
calllog_db.getDBFile(), Account.Type.LINE)
calllog_db.attachDatabase(dataSource,
"naver_line", calllog_db.getDBFile().getParentPath(), "naver")
calllog_parser = LineCallLogsParser(calllog_db)
while calllog_parser.next():
helper.addCalllog(
calllog_parser.get_call_direction(),
calllog_parser.get_phone_number_from(),
calllog_parser.get_phone_number_to(),
calllog_parser.get_call_start_date_time(),
calllog_parser.get_call_end_date_time(),
calllog_parser.get_call_type()
)
calllog_parser.close()
calllog_db.close()
except (SQLException, TskCoreException) as ex:
# Error parsing Line databases.
self._logger.log(Level.WARNING, "Error parsing the Line App Databases", ex)
self._logger.log(Level.WARNING, traceback.format_exc())
class LineCallLogsParser(TskCallLogsParser):
"""
Parses out TSK_CALLLOG information from the Line database.
TSK_CALLLOG fields that are not in the line database are given
a default value inherited from the super class.
"""
def __init__(self, calllog_db):
super(LineCallLogsParser, self).__init__(calllog_db.runQuery(
"""
SELECT substr(CallH.call_type, -1) AS direction,
CallH.start_time AS start_time,
CallH.end_time AS end_time,
ConT.server_name AS name,
CallH.voip_type AS call_type,
ConT.m_id
FROM call_history AS CallH
JOIN naver.contacts AS ConT
ON CallH.caller_mid = ConT.m_id
"""
)
)
self._OUTGOING_CALL_TYPE = "O"
self._INCOMING_CALL_TYPE = "I"
self._had_error = False
self._VIDEO_CALL_TYPE = "V"
self._AUDIO_CALL_TYPE = "A"
def get_call_direction(self):
direction = self.result_set.getString("direction")
if direction == self._OUTGOING_CALL_TYPE:
return self.OUTGOING_CALL
return self.INCOMING_CALL
def get_call_start_date_time(self):
try:
return long(self.result_set.getString("start_time")) / 1000
except ValueError as ve:
self._had_error = True
return super(LineCallLogsParser, self).get_call_start_date_time()
def get_call_end_date_time(self):
try:
return long(self.result_set.getString("end_time")) / 1000
except ValueError as ve:
self._had_error = True
return super(LineCallLogsParser, self).get_call_end_date_time()
def get_phone_number_to(self):
if self.get_call_direction() == self.OUTGOING_CALL:
return Account.Address(self.result_set.getString("m_id"),
self.result_set.getString("name"))
return super(LineCallLogsParser, self).get_phone_number_to()
def get_phone_number_from(self):
if self.get_call_direction() == self.INCOMING_CALL:
return Account.Address(self.result_set.getString("m_id"),
self.result_set.getString("name"))
return super(LineCallLogsParser, self).get_phone_number_from()
def get_call_type(self):
if self.result_set.getString("call_type") == self._VIDEO_CALL_TYPE:
return self.VIDEO_CALL
if self.result_set.getString("call_type") == self._AUDIO_CALL_TYPE:
return self.AUDIO_CALL
return super(LineCallLogsParser, self).get_call_type()
def has_incomplete_results(self):
return self._had_error
class LineContactsParser(TskContactsParser):
"""
Parses out TSK_CONTACT information from the Line database.
TSK_CONTACT fields that are not in the line database are given
a default value inherited from the super class.
"""
def __init__(self, contact_db):
super(LineContactsParser, self).__init__(contact_db.runQuery(
"""
SELECT m_id,
server_name
FROM contacts
"""
)
)
def get_account_name(self):
return self.result_set.getString("m_id")
def get_contact_name(self):
return self.result_set.getString("server_name")
class LineMessagesParser(TskMessagesParser):
"""
Parse out TSK_MESSAGE information from the Line database.
TSK_MESSAGE fields that are not in the line database are given
a default value inherited from the super class.
"""
def __init__(self, message_db):
super(LineMessagesParser, self).__init__(message_db.runQuery(
"""
SELECT all_contacts.name,
all_contacts.id,
all_contacts.members,
CH.from_mid,
CH.content,
CH.created_time,
CH.attachement_type,
CH.attachement_local_uri,
CH.status
FROM (SELECT G.name,
group_members.id,
group_members.members
FROM (SELECT id,
group_concat(m_id) AS members
FROM membership
GROUP BY id) AS group_members
JOIN groups AS G
ON G.id = group_members.id
UNION
SELECT server_name,
m_id,
NULL
FROM contacts) AS all_contacts
JOIN chat_history AS CH
ON CH.chat_id = all_contacts.id
"""
)
)
self._LINE_MESSAGE_TYPE = "Line Message"
#From the limited test data, it appeared that incoming
#was only associated with a 1 status. Status # 3 and 7
#was only associated with outgoing.
self._INCOMING_MESSAGE_TYPE = 1
self._had_error = False
def get_message_type(self):
return self._LINE_MESSAGE_TYPE
def get_message_date_time(self):
created_time = self.result_set.getString("created_time")
try:
#Get time in seconds (created_time is stored in ms from epoch)
return long(created_time) / 1000
except ValueError as ve:
self._had_error = True
return super(LineMessagesParser, self).get_message_date_time()
def get_message_text(self):
content = self.result_set.getString("content")
return content
def get_message_direction(self):
if self.result_set.getInt("status") == self._INCOMING_MESSAGE_TYPE:
return self.INCOMING
return self.OUTGOING
def get_phone_number_from(self):
if self.get_message_direction() == self.INCOMING:
group = self.result_set.getString("members")
if group is None:
return Account.Address(self.result_set.getString("from_mid"),
self.result_set.getString("name"))
return Account.Address(self.result_set.getString("from_mid"),
self.result_set.getString("name"))
return super(LineMessagesParser, self).get_phone_number_from()
def get_phone_number_to(self):
if self.get_message_direction() == self.OUTGOING:
group = self.result_set.getString("members")
if group is None:
return Account.Address(self.result_set.getString("id"),
self.result_set.getString("name"))
return Account.Address(group, self.result_set.getString("name"))
return super(LineMessagesParser, self).get_phone_number_to()
def get_thread_id(self):
members = self.result_set.getString("members")
if members is not None:
return self.result_set.getString("id")
return super(LineMessagesParser, self).get_thread_id()