mirror of https://github.com/CIRCL/lookyloo
141 lines
5.2 KiB
Python
141 lines
5.2 KiB
Python
#!/usr/bin/env python3
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import json
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from datetime import date, datetime, timedelta, timezone
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from typing import Any, Dict, Optional, List
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from har2tree import CrawledTree
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from pyphishtanklookup import PhishtankLookup
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from ..default import ConfigError, get_homedir
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from ..helpers import get_cache_directory
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class Phishtank():
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def __init__(self, config: Dict[str, Any]):
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if not config.get('enabled'):
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self.available = False
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return
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self.available = True
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self.allow_auto_trigger = False
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if config.get('url'):
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self.client = PhishtankLookup(config['url'])
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else:
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self.client = PhishtankLookup()
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if config.get('allow_auto_trigger'):
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self.allow_auto_trigger = True
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self.storage_dir_pt = get_homedir() / 'phishtank'
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self.storage_dir_pt.mkdir(parents=True, exist_ok=True)
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def get_url_lookup(self, url: str) -> Optional[Dict[str, Any]]:
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url_storage_dir = get_cache_directory(self.storage_dir_pt, 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 lookup_ips_capture(self, crawled_tree: CrawledTree) -> Dict[str, List[Dict[str, Any]]]:
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with (crawled_tree.root_hartree.har.path.parent / 'ips.json').open() as f:
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ips_dump = json.load(f)
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to_return: Dict[str, List[Dict[str, Any]]] = {}
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for ip in {ip for ips_list in ips_dump.values() for ip in ips_list}:
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entry = self.get_ip_lookup(ip)
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if not entry:
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continue
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to_return[ip] = []
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for url in entry['urls']:
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entry = self.get_url_lookup(url)
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if entry:
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to_return[ip].append(entry)
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return to_return
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def get_ip_lookup(self, ip: str) -> Optional[Dict[str, Any]]:
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ip_storage_dir = get_cache_directory(self.storage_dir_pt, ip, 'ip')
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if not ip_storage_dir.exists():
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return None
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cached_entries = sorted(ip_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 capture_default_trigger(self, crawled_tree: CrawledTree, /, *, auto_trigger: bool=False) -> Dict:
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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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# Quit if the capture is more than 70h old, the data in phishtank expire around that time.
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if crawled_tree.start_time <= datetime.now(timezone.utc) - timedelta(hours=70):
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return {'error': 'Capture to old, the response will be irrelevant.'}
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# Check URLs up to the redirect
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if crawled_tree.redirects:
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for redirect in crawled_tree.redirects:
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self.url_lookup(redirect)
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else:
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self.url_lookup(crawled_tree.root_hartree.har.root_url)
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# Check all the IPs in the ips file of the capture
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with (crawled_tree.root_hartree.har.path.parent / 'ips.json').open() as f:
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ips_dump = json.load(f)
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for ip in {ip for ips_list in ips_dump.values() for ip in ips_list}:
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self.ip_lookup(ip)
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return {'success': 'Module triggered'}
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def ip_lookup(self, ip: str) -> None:
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'''Lookup for the URLs related to an IP on Phishtank lookup
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Note: It will trigger a request to phishtank 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('Phishtank not available, probably not enabled.')
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ip_storage_dir = get_cache_directory(self.storage_dir_pt, ip, 'ip')
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ip_storage_dir.mkdir(parents=True, exist_ok=True)
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pt_file = ip_storage_dir / date.today().isoformat()
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if pt_file.exists():
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return
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urls = self.client.get_urls_by_ip(ip)
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if not urls:
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ip_storage_dir.rmdir()
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return
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to_dump = {'ip': ip, 'urls': urls}
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with pt_file.open('w') as _f:
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json.dump(to_dump, _f)
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for url in urls:
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self.url_lookup(url)
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def url_lookup(self, url: str) -> None:
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'''Lookup an URL on Phishtank lookup
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Note: It will trigger a request to phishtank 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('Phishtank not available, probably not enabled.')
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url_storage_dir = get_cache_directory(self.storage_dir_pt, url, 'url')
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url_storage_dir.mkdir(parents=True, exist_ok=True)
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pt_file = url_storage_dir / date.today().isoformat()
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if pt_file.exists():
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return
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url_information = self.client.get_url_entry(url)
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if not url_information:
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url_storage_dir.rmdir()
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return
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with pt_file.open('w') as _f:
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json.dump(url_information, _f)
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