mvt/mvt/android/modules/bugreport/base.py

72 lines
2.1 KiB
Python

# Mobile Verification Toolkit (MVT)
# Copyright (c) 2021-2022 Claudio Guarnieri.
# See the file 'LICENSE' for usage and copying permissions, or find a copy at
# https://github.com/mvt-project/mvt/blob/main/LICENSE
import fnmatch
import logging
import os
from zipfile import ZipFile
from mvt.common.module import MVTModule
log = logging.getLogger(__name__)
class BugReportModule(MVTModule):
"""This class provides a base for all Android Bug Report modules."""
zip_archive = None
def from_folder(self, extract_path: str, extract_files: str) -> None:
self.extract_path = extract_path
self.extract_files = extract_files
def from_zip(self, zip_archive: ZipFile, zip_files: list) -> None:
self.zip_archive = zip_archive
self.zip_files = zip_files
def _get_files_by_pattern(self, pattern: str) -> list:
file_names = []
if self.zip_archive:
for zip_file in self.zip_files:
file_names.append(zip_file)
else:
file_names = self.extract_files
return fnmatch.filter(file_names, pattern)
def _get_files_by_patterns(self, patterns: list) -> list:
for pattern in patterns:
matches = self._get_files_by_pattern(pattern)
if matches:
return matches
def _get_file_content(self, file_path: str) -> bytes:
if self.zip_archive:
handle = self.zip_archive.open(file_path)
else:
handle = open(os.path.join(self.extract_path, file_path), "rb")
data = handle.read()
handle.close()
return data
def _get_dumpstate_file(self) -> bytes:
main = self._get_files_by_pattern("main_entry.txt")
if main:
main_content = self._get_file_content(main[0])
try:
return self._get_file_content(main_content.decode().strip())
except KeyError:
return None
else:
dumpstate_logs = self._get_files_by_pattern("dumpState_*.log")
if not dumpstate_logs:
return None
return self._get_file_content(dumpstate_logs[0])
return None