mirror of https://github.com/mvt-project/mvt.git
99 lines
4.0 KiB
Python
99 lines
4.0 KiB
Python
# Mobile Verification Toolkit (MVT)
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# Copyright (c) 2021 The MVT Project Authors.
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# Use of this software is governed by the MVT License 1.1 that can be found at
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# https://license.mvt.re/1.1/
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import datetime
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import os
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import sqlite3
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from mvt.common.utils import convert_mactime_to_unix, convert_timestamp_to_iso
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from .base import IOSExtraction
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WEBKIT_RESOURCELOADSTATICS_BACKUP_RELPATH = "Library/WebKit/WebsiteData/ResourceLoadStatistics/observations.db"
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WEBKIT_RESOURCELOADSTATICS_ROOT_PATHS = [
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"private/var/mobile/Containers/Data/Application/*/Library/WebKit/WebsiteData/ResourceLoadStatistics/observations.db",
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"private/var/mobile/Containers/Data/Application/*/SystemData/com.apple.SafariViewService/Library/WebKit/WebsiteData/observations.db",
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]
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class WebkitResourceLoadStatistics(IOSExtraction):
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"""This module extracts records from WebKit ResourceLoadStatistics observations.db.
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"""
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# TODO: Add serialize().
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def __init__(self, file_path=None, base_folder=None, output_folder=None,
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fast_mode=False, log=None, results=[]):
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super().__init__(file_path=file_path, base_folder=base_folder,
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output_folder=output_folder, fast_mode=fast_mode,
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log=log, results=results)
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def check_indicators(self):
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if not self.indicators:
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return
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self.detected = {}
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for key, items in self.results.items():
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for item in items:
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if self.indicators.check_domain(item["registrable_domain"]):
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if key not in self.detected:
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self.detected[key] = [item,]
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else:
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self.detected[key].append(item)
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def _process_observations_db(self, db_path, key):
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self.log.info("Found WebKit ResourceLoadStatistics observations.db file at path %s", db_path)
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if self._is_database_malformed(db_path):
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self._recover_database(db_path)
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conn = sqlite3.connect(db_path)
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cur = conn.cursor()
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try:
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cur.execute("SELECT * from ObservedDomains;")
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except sqlite3.OperationalError:
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return
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if not key in self.results:
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self.results[key] = []
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for row in cur:
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self.results[key].append(dict(
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domain_id=row[0],
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registrable_domain=row[1],
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last_seen=row[2],
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had_user_interaction=bool(row[3]),
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# TODO: Fix isodate.
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last_seen_isodate=convert_timestamp_to_iso(datetime.datetime.utcfromtimestamp(int(row[2]))),
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))
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if len(self.results[key]) > 0:
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self.log.info("Extracted a total of %d records from %s", len(self.results[key]), db_path)
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def run(self):
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self.results = {}
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if self.is_backup:
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manifest_db_path = os.path.join(self.base_folder, "Manifest.db")
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if not os.path.exists(manifest_db_path):
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self.log.info("Unable to search for WebKit observations.db files in backup because of missing Manifest.db")
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return
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try:
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conn = sqlite3.connect(manifest_db_path)
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cur = conn.cursor()
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cur.execute("SELECT fileID, domain FROM Files WHERE relativePath = ?;", (WEBKIT_RESOURCELOADSTATICS_BACKUP_RELPATH,))
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except Exception as e:
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self.log.error("Unable to search for WebKit observations.db files in backup because of failed query to Manifest.db: %s", e)
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for row in cur:
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file_id = row[0]
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domain = row[1]
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db_path = os.path.join(self.base_folder, file_id[0:2], file_id)
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if os.path.exists(db_path):
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self._process_observations_db(db_path=db_path, key=f"{domain}/{WEBKIT_RESOURCELOADSTATICS_BACKUP_RELPATH}")
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elif self.is_fs_dump:
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for db_path in self._find_paths(WEBKIT_RESOURCELOADSTATICS_ROOT_PATHS):
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self._process_observations_db(db_path=db_path, key=os.path.relpath(db_path, self.base_folder))
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