Files
capa/capa/ida/plugin/extractor.py
T
2023-07-13 05:03:33 +02:00

45 lines
1.7 KiB
Python

# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at: [package root]/LICENSE.txt
# Unless required by applicable law or agreed to in writing, software distributed under the License
# is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and limitations under the License.
import ida_kernwin
from PyQt5 import QtCore
from capa.ida.plugin.error import UserCancelledError
from capa.features.extractors.ida.extractor import IdaFeatureExtractor
from capa.features.extractors.base_extractor import FunctionHandle
class CapaExplorerProgressIndicator(QtCore.QObject):
"""implement progress signal, used during feature extraction"""
progress = QtCore.pyqtSignal(str)
def update(self, text):
"""emit progress update
check if user cancelled action, raise exception for parent function to catch
"""
if ida_kernwin.user_cancelled():
raise UserCancelledError("user cancelled")
self.progress.emit(f"extracting features from {text}")
class CapaExplorerFeatureExtractor(IdaFeatureExtractor):
"""subclass the IdaFeatureExtractor
track progress during feature extraction, also allow user to cancel feature extraction
"""
def __init__(self):
super().__init__()
self.indicator = CapaExplorerProgressIndicator()
def extract_function_features(self, fh: FunctionHandle):
self.indicator.update(f"function at {hex(fh.inner.start_ea)}")
return super().extract_function_features(fh)