import logging
from abc import ABC
from typing import List
from credsweeper.credentials import Candidate
from credsweeper.deep_scanner.abstract_scanner import AbstractScanner
from credsweeper.file_handler.data_content_provider import DataContentProvider
logger = logging.getLogger(__name__)
[docs]
class EncoderScanner(AbstractScanner, ABC):
"""Implements recursive iteration when data might be encoded"""
[docs]
def data_scan(
self, #
data_provider: DataContentProvider, #
depth: int, #
recursive_limit_size: int) -> List[Candidate]:
"""Tries to decode data from base64 encode to bytes and scan as bytes again"""
if data_provider.represent_as_encoded():
decoded_data_provider = DataContentProvider(data=data_provider.decoded,
file_path=data_provider.file_path,
file_type=data_provider.file_type,
info=f"{data_provider.info}|ENCODED")
new_limit = recursive_limit_size - len(decoded_data_provider.data)
return self.recursive_scan(decoded_data_provider, depth, new_limit)
return []