mirror of https://github.com/CIRCL/lookyloo
104 lines
3.9 KiB
Python
Executable File
104 lines
3.9 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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from collections import defaultdict
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import csv
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from datetime import datetime, timedelta
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import logging
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from typing import Dict, List, Tuple
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from pathlib import Path
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from redis import Redis
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from lookyloo.abstractmanager import AbstractManager
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from lookyloo.helpers import get_config, get_homedir, get_socket_path, get_captures_dir
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logging.basicConfig(format='%(asctime)s %(name)s %(levelname)s:%(message)s',
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level=logging.INFO, datefmt='%I:%M:%S')
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class Archiver(AbstractManager):
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def __init__(self, loglevel: int=logging.INFO):
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super().__init__(loglevel)
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self.script_name = 'archiver'
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self.redis = Redis(unix_socket_path=get_socket_path('cache'))
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# make sure archived captures dir exists
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self.archived_captures_dir = get_homedir() / 'archived_captures'
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self.archived_captures_dir.mkdir(parents=True, exist_ok=True)
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self._load_archives()
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def _to_run_forever(self):
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self._archive()
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def _archive(self):
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archive_interval = timedelta(days=get_config('generic', 'archive'))
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cut_time = (datetime.now() - archive_interval).date()
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cut_time = cut_time.replace(day=1)
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# Format:
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# { 2020: { 12: [(directory, uuid)] } }
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to_archive: Dict[int, Dict[int, List[Tuple[Path, str]]]] = defaultdict(lambda: defaultdict(list))
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for capture_uuid in get_captures_dir().glob('**/uuid'):
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timestamp = datetime.strptime(capture_uuid.parent.name, '%Y-%m-%dT%H:%M:%S.%f')
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if timestamp.date() >= cut_time:
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# do not archive.
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continue
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with capture_uuid.open() as _f:
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uuid = _f.read().strip()
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to_archive[timestamp.year][timestamp.month].append((capture_uuid.parent, uuid))
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self.logger.info(f'Archiving {capture_uuid.parent}.')
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if not to_archive:
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self.logger.info('Nothing to archive.')
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return
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archived_uuids = {}
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for year, month_captures in to_archive.items():
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for month, captures in month_captures.items():
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dest_dir = self.archived_captures_dir / str(year) / f'{month:02}'
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dest_dir.mkdir(parents=True, exist_ok=True)
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if (dest_dir / 'index').exists():
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with (dest_dir / 'index').open('r') as _f:
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current_index = {uuid: dirname for uuid, dirname in csv.reader(_f)}
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else:
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current_index = {}
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for capture_path, uuid in captures:
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current_index[uuid] = capture_path.name
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capture_path.rename(dest_dir / capture_path.name)
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archived_uuids[uuid] = str(dest_dir / capture_path.name)
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with (dest_dir / 'index').open('w') as _f:
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index_writer = csv.writer(_f)
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for uuid, dirname in current_index.items():
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index_writer.writerow([uuid, dirname])
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if archived_uuids:
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p = self.redis.pipeline()
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for dir_key in self.redis.hmget('lookup_dirs', *archived_uuids.keys()):
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# Clear cache
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if dir_key:
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p.delete(dir_key)
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p.hdel('lookup_dirs', *archived_uuids.keys())
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p.hmset('lookup_dirs_archived', archived_uuids) # type: ignore
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p.execute()
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self.logger.info('Archiving done.')
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def _load_archives(self):
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# Initialize archives
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self.redis.delete('lookup_dirs_archived')
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for index in self.archived_captures_dir.glob('**/index'):
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with index.open('r') as _f:
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archived_uuids: Dict[str, str] = {uuid: str(index.parent / dirname) for uuid, dirname in csv.reader(_f)}
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self.redis.hmset('lookup_dirs_archived', archived_uuids) # type: ignore
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def main():
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a = Archiver()
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a.run(sleep_in_sec=3600 * 24)
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if __name__ == '__main__':
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main()
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