mirror of https://github.com/CIRCL/lookyloo
94 lines
3.0 KiB
Python
94 lines
3.0 KiB
Python
#!/usr/bin/env python3
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from __future__ import annotations
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import json
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from datetime import date
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from typing import Any, Dict, Optional, TYPE_CHECKING
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import requests
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from ..default import ConfigError, get_homedir
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from ..helpers import get_cache_directory
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if TYPE_CHECKING:
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from ..capturecache import CaptureCache
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from .abstractmodule import AbstractModule
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class URLhaus(AbstractModule):
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def module_init(self) -> bool:
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if not self.config.get('enabled'):
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self.logger.info('Not enabled')
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return False
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self.url = self.config.get('url')
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self.allow_auto_trigger = bool(self.config.get('allow_auto_trigger', False))
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self.storage_dir_uh = get_homedir() / 'urlhaus'
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self.storage_dir_uh.mkdir(parents=True, exist_ok=True)
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return True
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def get_url_lookup(self, url: str) -> dict[str, Any] | None:
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url_storage_dir = get_cache_directory(self.storage_dir_uh, url, 'url')
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if not url_storage_dir.exists():
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return None
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cached_entries = sorted(url_storage_dir.glob('*'), reverse=True)
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if not cached_entries:
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return None
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with cached_entries[0].open() as f:
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return json.load(f)
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def __url_result(self, url: str) -> dict[str, Any]:
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data = {'url': url}
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response = requests.post(f'{self.url}/url/', data)
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response.raise_for_status()
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return response.json()
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def capture_default_trigger(self, cache: CaptureCache, /, *, auto_trigger: bool=False) -> dict[str, str]:
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'''Run the module on all the nodes up to the final redirect'''
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if not self.available:
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return {'error': 'Module not available'}
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if auto_trigger and not self.allow_auto_trigger:
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return {'error': 'Auto trigger not allowed on module'}
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# Check URLs up to the redirect
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if cache.redirects:
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for redirect in cache.redirects:
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self.url_lookup(redirect)
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else:
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self.url_lookup(cache.url)
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return {'success': 'Module triggered'}
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def url_lookup(self, url: str) -> None:
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'''Lookup an URL on URL haus
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Note: It will trigger a request to URL haus every time *until* there is a hit (it's cheap), then once a day.
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'''
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if not self.available:
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raise ConfigError('URL haus not available, probably not enabled.')
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url_storage_dir = get_cache_directory(self.storage_dir_uh, url, 'url')
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url_storage_dir.mkdir(parents=True, exist_ok=True)
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uh_file = url_storage_dir / date.today().isoformat()
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if uh_file.exists():
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return
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url_information = self.__url_result(url)
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if (not url_information
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or ('query_status' in url_information
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and url_information['query_status'] in ['no_results', 'invalid_url'])):
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try:
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url_storage_dir.rmdir()
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except OSError:
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# Not empty.
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pass
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return
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with uh_file.open('w') as _f:
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json.dump(url_information, _f)
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