import io
import logging
from abc import ABC
from typing import List, Optional
from pptx import Presentation
from credsweeper.credentials.candidate import Candidate
from credsweeper.deep_scanner.abstract_scanner import AbstractScanner
from credsweeper.file_handler.data_content_provider import DataContentProvider
from credsweeper.file_handler.string_content_provider import StringContentProvider
logger = logging.getLogger(__name__)
[docs]
class PptxScanner(AbstractScanner, ABC):
"""Implements pptx scanning"""
[docs]
def data_scan(
self, #
data_provider: DataContentProvider, #
depth: int, #
recursive_limit_size: int) -> Optional[List[Candidate]]:
"""Tries to scan pptx text elements for all slides"""
try:
candidates = []
pptx_lines = []
presentation = Presentation(io.BytesIO(data_provider.data))
for n, slide in enumerate(presentation.slides):
for shape in slide.shapes:
if shape.has_text_frame:
for paragraph in shape.text_frame.paragraphs:
pptx_lines.append(paragraph.text)
string_data_provider = StringContentProvider(lines=pptx_lines,
file_path=data_provider.file_path,
file_type=data_provider.file_type,
info=f"{data_provider.info}|PPTX:{n+1}")
pptx_candidates = self.scanner.scan(string_data_provider)
candidates.extend(pptx_candidates)
return candidates
except Exception as pptx_exc:
logger.warning("%s:%s", data_provider.file_path, pptx_exc)
return None