mirror of
https://github.com/mandiant/capa.git
synced 2026-04-28 03:43:21 -07:00
98 lines
3.4 KiB
Python
98 lines
3.4 KiB
Python
# Copyright 2024 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import sys
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import logging
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import subprocess
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from pathlib import Path
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from datetime import datetime, timedelta
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logger = logging.getLogger(__name__)
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start_dir = Path(sys.argv[1])
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output_file = Path(sys.argv[2])
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assert start_dir.exists(), "start directory must exist"
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def get_yml_files_and_dates(start_dir: Path):
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yml_files = []
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for root, dirs, files in os.walk(start_dir):
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dirs[:] = [d for d in dirs if not d.startswith(".")]
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for file in files:
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if file.endswith(".yml"):
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file_path = Path(root) / file
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proc = subprocess.run(
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[
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"git",
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"log",
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"-1", # only show most recent commit
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'--pretty="%ct"', # unix timestmp, https://git-scm.com/docs/pretty-formats#Documentation/pretty-formats.txt-emctem
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file, # just the filename, will run from the containing directory
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],
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cwd=root, # the directory with the file we're inspecting
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check=True,
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capture_output=True,
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)
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last_modified_date = int(proc.stdout.decode("utf-8").partition("\n")[0].strip('"'))
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yml_files.append((file_path, last_modified_date))
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return yml_files
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yml_files_and_dates = get_yml_files_and_dates(start_dir)
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yml_files_and_dates.sort(key=lambda x: x[1], reverse=True)
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current_date = datetime.now()
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categories = [
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("modified in the last day", current_date - timedelta(days=1)),
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("modified in the last week", current_date - timedelta(days=7)),
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("modified in the last month", current_date - timedelta(days=30)),
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("modified in the last three months", current_date - timedelta(days=90)),
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("modified in the last year", current_date - timedelta(days=365)),
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]
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def write_category(f, category_name, files):
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f.write(f"=== {category_name} ===\n")
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for file_path, last_modified_date in files:
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last_modified_date_str = datetime.fromtimestamp(last_modified_date).strftime("%Y-%m-%d %H:%M:%S")
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f.write(f"{file_path} {last_modified_date_str}\n")
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f.write("\n")
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with output_file.open("wt", encoding="utf-8") as f:
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for title, delta in categories:
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current_files = []
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for file_path, last_modified_date in yml_files_and_dates:
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last_modified_date_dt = datetime.fromtimestamp(last_modified_date)
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if last_modified_date_dt > delta:
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current_files.append((file_path, last_modified_date))
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write_category(f, title, current_files)
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for item in current_files:
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yml_files_and_dates.remove(item)
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write_category(f, "older", yml_files_and_dates)
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logger.info("File names and modification dates have been written to %s", output_file)
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