mirror of https://github.com/CIRCL/lookyloo
83 lines
2.5 KiB
Python
83 lines
2.5 KiB
Python
#!/usr/bin/env python3
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import json
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import traceback
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from datetime import datetime
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from pathlib import Path
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from typing import Dict, Any
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from bs4 import BeautifulSoup
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try:
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import cloudscraper # type: ignore
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HAS_CF = True
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except ImportError:
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HAS_CF = False
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from lookyloo.default import get_homedir, safe_create_dir
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def update_user_agents() -> None:
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# NOTE: this URL is behind cloudflare and tehre is no easy reliable way around it.
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# The manual way it to open the page in the browser, save it, and run this script.
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if not HAS_CF:
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# The website with the UAs is behind Cloudflare's anti-bot page, we need cloudscraper
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return
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today = datetime.now()
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ua_path = get_homedir() / 'user_agents' / str(today.year) / f'{today.month:02}'
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safe_create_dir(ua_path)
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ua_file_name: Path = ua_path / f'{today.date().isoformat()}.json'
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if ua_file_name.exists():
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# Already have a UA for that day.
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return
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try:
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s = cloudscraper.create_scraper()
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r = s.get('https://techblog.willshouse.com/2012/01/03/most-common-user-agents/')
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except Exception:
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traceback.print_exc()
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return
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to_store = ua_parser(r.text)
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with open(ua_file_name, 'w') as f:
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json.dump(to_store, f, indent=2)
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def ua_parser(html_content: str) -> Dict[str, Any]:
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soup = BeautifulSoup(html_content, 'html.parser')
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try:
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uas = soup.find_all('textarea')[1].text
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except Exception:
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traceback.print_exc()
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return {}
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to_store: Dict[str, Any] = {'by_frequency': []}
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for ua in json.loads(uas.replace('\n', '')):
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os = ua['system'].split(' ')[-1]
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if os not in to_store:
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to_store[os] = {}
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browser = ' '.join(ua['system'].split(' ')[:-1])
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if browser not in to_store[os]:
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to_store[os][browser] = []
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to_store[os][browser].append(ua['useragent'])
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to_store['by_frequency'].append({'os': os, 'browser': browser, 'useragent': ua['useragent']})
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return to_store
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def main():
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to_parse = Path('Most Common User Agents - Tech Blog (wh).html')
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today = datetime.now()
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ua_path = get_homedir() / 'user_agents' / str(today.year) / f'{today.month:02}'
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safe_create_dir(ua_path)
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ua_file_name: Path = ua_path / f'{today.date().isoformat()}.json'
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with to_parse.open() as f:
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to_store = ua_parser(f.read())
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with open(ua_file_name, 'w') as f:
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json.dump(to_store, f, indent=2)
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if __name__ == '__main__':
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main()
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