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74 lines
2.0 KiB
Python
74 lines
2.0 KiB
Python
# Mobile Verification Toolkit (MVT)
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# Copyright (c) 2021-2023 The MVT 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 fnmatch
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import logging
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import os
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from tarfile import TarFile
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from typing import List, Optional
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from mvt.common.module import MVTModule
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class BackupExtraction(MVTModule):
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"""This class provides a base for all backup extractios modules"""
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def __init__(
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self,
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file_path: Optional[str] = None,
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target_path: Optional[str] = None,
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results_path: Optional[str] = None,
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module_options: Optional[dict] = None,
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log: logging.Logger = logging.getLogger(__name__),
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results: Optional[list] = None,
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) -> None:
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super().__init__(
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file_path=file_path,
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target_path=target_path,
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results_path=results_path,
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module_options=module_options,
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log=log,
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results=results,
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)
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self.ab = None
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self.backup_path = None
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self.tar = None
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self.files = []
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def from_folder(self, backup_path: Optional[str], files: List[str]) -> None:
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"""
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Get all the files and list them
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"""
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self.backup_path = backup_path
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self.files = files
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def from_ab(
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self, file_path: Optional[str], tar: Optional[TarFile], files: List[str]
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) -> None:
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"""
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Extract the files
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"""
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self.ab = file_path
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self.tar = tar
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self.files = files
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def _get_files_by_pattern(self, pattern: str) -> list:
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return fnmatch.filter(self.files, pattern)
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def _get_file_content(self, file_path: str) -> bytes:
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if self.ab:
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try:
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member = self.tar.getmember(file_path)
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except KeyError:
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return None
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handle = self.tar.extractfile(member)
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else:
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handle = open(os.path.join(self.backup_path, file_path), "rb")
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data = handle.read()
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handle.close()
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return data
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