mirror of
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383 lines
17 KiB
Python
383 lines
17 KiB
Python
"""
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Autopsy Forensic Browser
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Copyright 2019 Basis Technology Corp.
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Contact: carrier <at> sleuthkit <dot> org
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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"""
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from java.io import File
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from java.lang import Class
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from java.lang import ClassNotFoundException
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from java.lang import Long
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from java.lang import String
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from java.sql import ResultSet
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from java.sql import SQLException
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from java.sql import Statement
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from java.util.logging import Level
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from java.util import ArrayList
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from org.apache.commons.codec.binary import Base64
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from org.sleuthkit.autopsy.casemodule import Case
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from org.sleuthkit.autopsy.coreutils import Logger
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from org.sleuthkit.autopsy.coreutils import MessageNotifyUtil
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from org.sleuthkit.autopsy.coreutils import AppSQLiteDB
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from org.sleuthkit.autopsy.datamodel import ContentUtils
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from org.sleuthkit.autopsy.ingest import IngestJobContext
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from org.sleuthkit.datamodel import AbstractFile
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from org.sleuthkit.datamodel import BlackboardArtifact
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from org.sleuthkit.datamodel import BlackboardAttribute
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from org.sleuthkit.datamodel import Content
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from org.sleuthkit.datamodel import TskCoreException
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from org.sleuthkit.datamodel.Blackboard import BlackboardException
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from org.sleuthkit.autopsy.casemodule import NoCurrentCaseException
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from org.sleuthkit.datamodel import Account
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from org.sleuthkit.datamodel.blackboardutils import CommunicationArtifactsHelper
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from org.sleuthkit.datamodel.blackboardutils.CommunicationArtifactsHelper import MessageReadStatus
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from org.sleuthkit.datamodel.blackboardutils.CommunicationArtifactsHelper import CommunicationDirection
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from TskContactsParser import TskContactsParser
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from TskMessagesParser import TskMessagesParser
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from TskCallLogsParser import TskCallLogsParser
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import traceback
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import general
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class LineAnalyzer(general.AndroidComponentAnalyzer):
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"""
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Parses the Line App databases for TSK contacts & message artifacts.
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"""
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def __init__(self):
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self._logger = Logger.getLogger(self.__class__.__name__)
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self._LINE_PACKAGE_NAME = "jp.naver.line.android"
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self._PARSER_NAME = "Line Parser"
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self._VERSION = "9.15.1"
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def analyze(self, dataSource, fileManager, context):
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try:
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contact_and_message_dbs = AppSQLiteDB.findAppDatabases(dataSource,
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"naver_line", True, self._LINE_PACKAGE_NAME)
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calllog_dbs = AppSQLiteDB.findAppDatabases(dataSource,
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"call_history", True, self._LINE_PACKAGE_NAME)
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for contact_and_message_db in contact_and_message_dbs:
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current_case = Case.getCurrentCaseThrows()
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helper = CommunicationArtifactsHelper(
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current_case.getSleuthkitCase(), self._PARSER_NAME,
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contact_and_message_db.getDBFile(), Account.Type.LINE)
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self.parse_contacts(contact_and_message_db, helper)
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self.parse_messages(contact_and_message_db, helper)
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contact_and_message_db.close()
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for calllog_db in calllog_dbs:
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current_case = Case.getCurrentCaseThrows()
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helper = CommunicationArtifactsHelper(
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current_case.getSleuthkitCase(), self._PARSER_NAME,
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calllog_db.getDBFile(), Account.Type.LINE)
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calllog_db.attachDatabase(
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dataSource, "naver_line",
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calllog_db.getDBFile().getParentPath(), "naver")
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self.parse_calllogs(calllog_db, helper)
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calllog_db.close()
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except NoCurrentCaseException as ex:
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# Error parsing Line databases.
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self._logger.log(Level.WARNING, "Error parsing the Line App Databases", ex)
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self._logger.log(Level.WARNING, traceback.format_exc())
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def parse_contacts(self, contacts_db, helper):
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try:
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contacts_parser = LineContactsParser(contacts_db)
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while contacts_parser.next():
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helper.addContact(
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contacts_parser.get_account_name(),
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contacts_parser.get_contact_name(),
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contacts_parser.get_phone(),
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contacts_parser.get_home_phone(),
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contacts_parser.get_mobile_phone(),
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contacts_parser.get_email()
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)
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contacts_parser.close()
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except SQLException as ex:
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self._logger.log(Level.WARNING, "Error parsing the Line App Database for contacts", ex)
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self._logger.log(Level.WARNING, traceback.format_exc())
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except TskCoreException as ex:
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#Error adding artifact to case database... case is not complete.
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self._logger.log(Level.SEVERE,
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"Error adding Line contact artifacts to the case database.", ex)
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self._logger.log(Level.SEVERE, traceback.format_exc())
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except BlackboardException as ex:
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#Error posting notification to blackboard
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self._logger.log(Level.WARNING,
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"Error posting Line contact artifacts to blackboard.", ex)
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self._logger.log(Level.WARNING, traceback.format_exc())
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def parse_calllogs(self, calllogs_db, helper):
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try:
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calllog_parser = LineCallLogsParser(calllogs_db)
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while calllog_parser.next():
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helper.addCalllog(
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calllog_parser.get_call_direction(),
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calllog_parser.get_phone_number_from(),
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calllog_parser.get_phone_number_to(),
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calllog_parser.get_call_start_date_time(),
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calllog_parser.get_call_end_date_time(),
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calllog_parser.get_call_type()
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)
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calllog_parser.close()
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except SQLException as ex:
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self._logger.log(Level.WARNING, "Error parsing the Line App Database for calllogs", ex)
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self._logger.log(Level.WARNING, traceback.format_exc())
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except TskCoreException as ex:
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#Error adding artifact to case database... case is not complete.
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self._logger.log(Level.SEVERE,
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"Error adding Line calllog artifacts to the case database.", ex)
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self._logger.log(Level.SEVERE, traceback.format_exc())
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except BlackboardException as ex:
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#Error posting notification to blackboard
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self._logger.log(Level.WARNING,
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"Error posting Line calllog artifacts to blackboard.", ex)
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self._logger.log(Level.WARNING, traceback.format_exc())
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def parse_messages(self, messages_db, helper):
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try:
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messages_parser = LineMessagesParser(messages_db)
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while messages_parser.next():
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helper.addMessage(
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messages_parser.get_message_type(),
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messages_parser.get_message_direction(),
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messages_parser.get_phone_number_from(),
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messages_parser.get_phone_number_to(),
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messages_parser.get_message_date_time(),
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messages_parser.get_message_read_status(),
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messages_parser.get_message_subject(),
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messages_parser.get_message_text(),
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messages_parser.get_thread_id()
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)
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messages_parser.close()
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except SQLException as ex:
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self._logger.log(Level.WARNING, "Error parsing the Line App Database for messages.", ex)
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self._logger.log(Level.WARNING, traceback.format_exc())
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except TskCoreException as ex:
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#Error adding artifact to case database... case is not complete.
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self._logger.log(Level.SEVERE,
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"Error adding Line message artifacts to the case database.", ex)
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self._logger.log(Level.SEVERE, traceback.format_exc())
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except BlackboardException as ex:
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#Error posting notification to blackboard
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self._logger.log(Level.WARNING,
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"Error posting Line message artifacts to blackboard.", ex)
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self._logger.log(Level.WARNING, traceback.format_exc())
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class LineCallLogsParser(TskCallLogsParser):
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"""
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Parses out TSK_CALLLOG information from the Line database.
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TSK_CALLLOG fields that are not in the line database are given
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a default value inherited from the super class.
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"""
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def __init__(self, calllog_db):
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super(LineCallLogsParser, self).__init__(calllog_db.runQuery(
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"""
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SELECT substr(CallH.call_type, -1) AS direction,
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CallH.start_time AS start_time,
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CallH.end_time AS end_time,
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ConT.server_name AS name,
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CallH.voip_type AS call_type,
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ConT.m_id
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FROM call_history AS CallH
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JOIN naver.contacts AS ConT
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ON CallH.caller_mid = ConT.m_id
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"""
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)
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)
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self._OUTGOING_CALL_TYPE = "O"
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self._INCOMING_CALL_TYPE = "I"
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self._VIDEO_CALL_TYPE = "V"
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self._AUDIO_CALL_TYPE = "A"
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def get_call_direction(self):
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direction = self.result_set.getString("direction")
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if direction == self._OUTGOING_CALL_TYPE:
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return self.OUTGOING_CALL
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return self.INCOMING_CALL
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def get_call_start_date_time(self):
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try:
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return long(self.result_set.getString("start_time")) / 1000
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except ValueError as ve:
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return super(LineCallLogsParser, self).get_call_start_date_time()
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def get_call_end_date_time(self):
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try:
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return long(self.result_set.getString("end_time")) / 1000
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except ValueError as ve:
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return super(LineCallLogsParser, self).get_call_end_date_time()
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def get_phone_number_to(self):
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if self.get_call_direction() == self.OUTGOING_CALL:
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return Account.Address(self.result_set.getString("m_id"),
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self.result_set.getString("name"))
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return super(LineCallLogsParser, self).get_phone_number_to()
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def get_phone_number_from(self):
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if self.get_call_direction() == self.INCOMING_CALL:
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return Account.Address(self.result_set.getString("m_id"),
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self.result_set.getString("name"))
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return super(LineCallLogsParser, self).get_phone_number_from()
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def get_call_type(self):
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if self.result_set.getString("call_type") == self._VIDEO_CALL_TYPE:
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return self.VIDEO_CALL
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if self.result_set.getString("call_type") == self._AUDIO_CALL_TYPE:
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return self.AUDIO_CALL
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return super(LineCallLogsParser, self).get_call_type()
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class LineContactsParser(TskContactsParser):
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"""
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Parses out TSK_CONTACT information from the Line database.
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TSK_CONTACT fields that are not in the line database are given
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a default value inherited from the super class.
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"""
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def __init__(self, contact_db):
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super(LineContactsParser, self).__init__(contact_db.runQuery(
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"""
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SELECT m_id,
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server_name
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FROM contacts
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"""
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)
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)
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def get_account_name(self):
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return self.result_set.getString("m_id")
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def get_contact_name(self):
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return self.result_set.getString("server_name")
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class LineMessagesParser(TskMessagesParser):
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"""
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Parse out TSK_MESSAGE information from the Line database.
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TSK_MESSAGE fields that are not in the line database are given
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a default value inherited from the super class.
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"""
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def __init__(self, message_db):
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super(LineMessagesParser, self).__init__(message_db.runQuery(
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"""
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SELECT contact_list_with_groups.name,
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contact_list_with_groups.id,
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contact_list_with_groups.members,
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contact_list_with_groups.member_names,
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CH.from_mid,
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C.server_name AS from_name,
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CH.content,
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CH.created_time,
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CH.attachement_type,
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CH.attachement_local_uri,
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CH.status
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FROM (SELECT G.name,
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group_members.id,
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group_members.members,
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group_members.member_names
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FROM (SELECT id,
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group_concat(M.m_id) AS members,
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group_concat(replace(C.server_name,
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",",
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"")) as member_names
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FROM membership AS M
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JOIN contacts as C
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ON M.m_id = C.m_id
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GROUP BY id) AS group_members
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JOIN groups AS G
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ON G.id = group_members.id
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UNION
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SELECT server_name,
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m_id,
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NULL,
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NULL
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FROM contacts) AS contact_list_with_groups
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JOIN chat_history AS CH
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ON CH.chat_id = contact_list_with_groups.id
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LEFT JOIN contacts as C
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ON C.m_id = CH.from_mid
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WHERE attachement_type != 6
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"""
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)
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)
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self._LINE_MESSAGE_TYPE = "Line Message"
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#From the limited test data, it appeared that incoming
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#was only associated with a 1 status. Status # 3 and 7
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#was only associated with outgoing.
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self._INCOMING_MESSAGE_TYPE = 1
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def get_message_type(self):
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return self._LINE_MESSAGE_TYPE
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def get_message_date_time(self):
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created_time = self.result_set.getString("created_time")
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try:
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#Get time in seconds (created_time is stored in ms from epoch)
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return long(created_time) / 1000
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except ValueError as ve:
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return super(LineMessagesParser, self).get_message_date_time()
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def get_message_text(self):
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content = self.result_set.getString("content")
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attachment_uri = self.result_set.getString("attachement_local_uri")
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if attachment_uri is not None and content is not None:
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return general.appendAttachmentList(content, [attachment_uri])
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elif attachment_uri is not None and content is None:
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return general.appendAttachmentList("", [attachment_uri])
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return content
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def get_message_direction(self):
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if self.result_set.getInt("status") == self._INCOMING_MESSAGE_TYPE:
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return self.INCOMING
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return self.OUTGOING
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def get_phone_number_from(self):
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if self.get_message_direction() == self.INCOMING:
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from_mid = self.result_set.getString("from_mid")
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if from_mid is not None:
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return Account.Address(from_mid,
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self.result_set.getString("from_name"))
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return super(LineMessagesParser, self).get_phone_number_from()
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def get_phone_number_to(self):
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if self.get_message_direction() == self.OUTGOING:
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group = self.result_set.getString("members")
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if group is not None:
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group = group.split(",")
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names = self.result_set.getString("member_names").split(",")
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recipients = []
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for recipient_id, recipient_name in zip(group, names):
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recipients.append(Account.Address(recipient_id, recipient_name))
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return recipients
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return Account.Address(self.result_set.getString("id"),
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self.result_set.getString("name"))
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return super(LineMessagesParser, self).get_phone_number_to()
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def get_thread_id(self):
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members = self.result_set.getString("members")
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if members is not None:
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return self.result_set.getString("id")
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return super(LineMessagesParser, self).get_thread_id()
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