556 lines
24 KiB
Python
556 lines
24 KiB
Python
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#!/usr/bin/env python3
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"""
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RSS Feed Manager for Threat Intelligence Bot
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Handles feed parsing, article extraction, and message formatting
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"""
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import feedparser
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import json
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import logging
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import asyncio
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import aiohttp
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import sqlite3
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from datetime import datetime, timezone, timedelta
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import hashlib
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from typing import Dict, List, Optional, Tuple
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from bs4 import BeautifulSoup
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from html import escape
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from urllib.parse import parse_qsl, urlencode, urlsplit, urlunsplit
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from pathlib import Path
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# Configure logging
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logging.basicConfig(
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format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
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level=logging.INFO
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)
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logger = logging.getLogger(__name__)
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class RSSFeedManager:
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def __init__(self, feeds_file: str = "feeds.json", seen_file: str = "seen_articles.db", feed_type: str = "general"):
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self.feeds_file = feeds_file
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self.seen_file = seen_file
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self.feed_type = feed_type # 'daily', 'blogs', or 'general'
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self.feeds = {}
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self.seen_articles = {} # Changed to dict to store timestamps
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self.session = None
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self.first_run = True
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self.load_feeds()
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self.load_seen_articles()
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async def __aenter__(self):
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"""Async context manager entry"""
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self.session = aiohttp.ClientSession(
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timeout=aiohttp.ClientTimeout(total=30),
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headers={'User-Agent': 'ThreatIntel-Bot/1.0'}
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)
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return self
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async def __aexit__(self, exc_type, exc_val, exc_tb):
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"""Async context manager exit"""
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if self.session:
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await self.session.close()
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def load_feeds(self):
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"""Load RSS feeds from JSON file"""
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if not self.feeds_file:
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self.feeds = {}
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return
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try:
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with open(self.feeds_file, 'r') as f:
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self.feeds = json.load(f)
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logger.info(f"Loaded {sum(len(category) for category in self.feeds.values())} feeds from {len(self.feeds)} categories")
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except FileNotFoundError:
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logger.error(f"Feeds file {self.feeds_file} not found")
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self.feeds = {}
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except json.JSONDecodeError as e:
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logger.error(f"Error parsing feeds file: {e}")
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self.feeds = {}
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def load_seen_articles(self):
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"""Load seen article keys from SQLite, migrating from legacy JSON when present."""
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self._ensure_seen_db()
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self._migrate_legacy_seen_json()
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self._load_seen_from_sqlite()
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def _ensure_seen_db(self):
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"""Create seen-article database and indexes if missing."""
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try:
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with sqlite3.connect(self.seen_file) as conn:
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conn.execute(
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"""
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CREATE TABLE IF NOT EXISTS seen_articles (
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article_key TEXT PRIMARY KEY,
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seen_at TEXT NOT NULL
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)
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"""
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)
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conn.execute(
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"CREATE INDEX IF NOT EXISTS idx_seen_articles_seen_at ON seen_articles (seen_at)"
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)
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conn.commit()
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except Exception as e:
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logger.error(f"Error initializing seen-article database: {e}")
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def _load_seen_from_sqlite(self):
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"""Load seen keys from SQLite into memory."""
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try:
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with sqlite3.connect(self.seen_file) as conn:
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cursor = conn.execute("SELECT article_key, seen_at FROM seen_articles")
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self.seen_articles = {row[0]: row[1] for row in cursor.fetchall()}
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self.first_run = len(self.seen_articles) == 0
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logger.info(f"Loaded {len(self.seen_articles)} seen articles (first_run: {self.first_run})")
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except Exception as e:
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logger.error(f"Error loading seen articles from database: {e}")
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self.seen_articles = {}
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self.first_run = True
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def _migrate_legacy_seen_json(self):
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"""One-time migration from legacy seen_articles.json into SQLite."""
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if Path(self.seen_file).suffix.lower() == ".json":
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return
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json_path = Path(self.seen_file).with_suffix(".json")
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if not json_path.exists():
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return
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try:
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with sqlite3.connect(self.seen_file) as conn:
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existing_count = conn.execute("SELECT COUNT(1) FROM seen_articles").fetchone()[0]
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if existing_count > 0:
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return
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with open(json_path, "r") as f:
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seen_data = json.load(f)
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current_time = datetime.now(timezone.utc).isoformat()
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raw_seen = seen_data.get("seen", {})
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if isinstance(raw_seen, list):
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migrated = {str(k): current_time for k in raw_seen}
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elif isinstance(raw_seen, dict):
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migrated = {str(k): str(v) for k, v in raw_seen.items()}
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else:
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migrated = {}
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if migrated:
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with sqlite3.connect(self.seen_file) as conn:
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conn.executemany(
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"INSERT OR REPLACE INTO seen_articles (article_key, seen_at) VALUES (?, ?)",
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[(k, v) for k, v in migrated.items()],
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)
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conn.commit()
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logger.info(f"Migrated {len(migrated)} seen articles from {json_path.name} to SQLite")
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except FileNotFoundError:
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return
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except json.JSONDecodeError:
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logger.error("Error parsing legacy seen_articles.json during migration")
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except Exception as e:
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logger.error(f"Error migrating legacy seen articles: {e}")
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def save_seen_articles(self):
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"""Save seen article keys with retention in SQLite."""
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try:
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cutoff_time = datetime.now(timezone.utc) - timedelta(days=7)
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cutoff_iso = cutoff_time.isoformat()
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cleaned_articles = {}
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with sqlite3.connect(self.seen_file) as conn:
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conn.execute("DELETE FROM seen_articles WHERE seen_at < ?", (cutoff_iso,))
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conn.executemany(
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"INSERT OR REPLACE INTO seen_articles (article_key, seen_at) VALUES (?, ?)",
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[(k, v) for k, v in self.seen_articles.items()],
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)
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conn.commit()
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cursor = conn.execute("SELECT article_key, seen_at FROM seen_articles")
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cleaned_articles = {row[0]: row[1] for row in cursor.fetchall()}
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self.seen_articles = cleaned_articles
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logger.info(f"Saved {len(self.seen_articles)} seen articles (cleaned old entries)")
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except Exception as e:
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logger.error(f"Error saving seen articles: {e}")
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def generate_article_hash(self, article: Dict) -> str:
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"""Generate unique hash for article based on URL only for better duplicate detection"""
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# Use only the URL for hash to catch duplicates across different RSS sources
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# Different sources may have same article with different titles/dates
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url = article.get('link', '')
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return hashlib.md5(url.encode()).hexdigest()
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@staticmethod
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def canonicalize_url(url: str) -> str:
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"""Normalize URLs so tracking variants map to one dedup key."""
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if not url:
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return ""
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tracking_params = {"fbclid", "gclid", "mc_cid", "mc_eid", "igshid", "mkt_tok", "yclid"}
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parts = urlsplit(url.strip())
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filtered_query = []
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for key, value in parse_qsl(parts.query, keep_blank_values=True):
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lowered = key.lower()
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if lowered.startswith("utm_") or lowered in tracking_params:
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continue
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filtered_query.append((key, value))
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cleaned_query = urlencode(filtered_query, doseq=True)
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cleaned_path = parts.path.rstrip("/") if parts.path not in ("", "/") else parts.path
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return urlunsplit((parts.scheme.lower(), parts.netloc.lower(), cleaned_path, cleaned_query, ""))
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@staticmethod
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def normalize_text(value: str) -> str:
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"""Normalize text for stable content fingerprinting."""
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return " ".join((value or "").lower().split())
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@classmethod
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def get_article_fingerprints(cls, article: Dict) -> Dict[str, str]:
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"""Build URL/content fingerprints for dedup checks."""
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raw_url = article.get('url') or article.get('link') or ""
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canonical_url = cls.canonicalize_url(raw_url)
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title = cls.normalize_text(article.get('title', ''))
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description = cls.normalize_text(article.get('description', ''))
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content_blob = f"{title}|{description}"
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url_fp = hashlib.sha256(canonical_url.encode("utf-8")).hexdigest() if canonical_url else ""
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content_fp = hashlib.sha256(content_blob.encode("utf-8")).hexdigest()
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return {
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'url_key': f"url:{url_fp}" if url_fp else "",
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'content_key': f"content:{content_fp}",
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'canonical_url': canonical_url,
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}
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def is_article_from_today(self, published_dt: datetime) -> bool:
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"""Allow only items published on today's UTC date."""
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now_utc = datetime.now(timezone.utc).date()
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if published_dt.tzinfo is None:
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published_dt = published_dt.replace(tzinfo=timezone.utc)
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return published_dt.astimezone(timezone.utc).date() == now_utc
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def is_duplicate_article(self, article: Dict) -> bool:
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"""Check URL/content fingerprint duplicates against sent-history."""
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fingerprints = self.get_article_fingerprints(article)
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url_key = fingerprints['url_key']
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content_key = fingerprints['content_key']
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return (url_key and url_key in self.seen_articles) or (content_key in self.seen_articles)
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@classmethod
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def mark_article_as_sent(cls, article: Dict, seen_file: str = "seen_articles.db"):
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"""Persist fingerprints only after successful delivery."""
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manager = cls(feeds_file="", seen_file=seen_file, feed_type=article.get('feed_type', 'general'))
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fingerprints = cls.get_article_fingerprints(article)
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now_iso = datetime.now(timezone.utc).isoformat()
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if fingerprints['url_key']:
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manager.seen_articles[fingerprints['url_key']] = now_iso
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manager.seen_articles[fingerprints['content_key']] = now_iso
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manager.save_seen_articles()
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def clean_html(self, text: str) -> str:
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"""Clean HTML tags and decode entities"""
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if not text:
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return ""
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# Remove HTML tags
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soup = BeautifulSoup(text, 'html.parser')
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cleaned = soup.get_text()
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# Clean up whitespace
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cleaned = ' '.join(cleaned.split())
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return cleaned[:500] + "..." if len(cleaned) > 500 else cleaned
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def extract_thumbnail(self, article: Dict, content: str = "") -> Optional[str]:
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"""Extract thumbnail URL from article"""
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# Try media content first
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media_content = getattr(article, 'media_content', [])
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if media_content and isinstance(media_content, list):
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for media in media_content:
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if media.get('type', '').startswith('image/'):
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return media.get('url')
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# Try enclosures
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enclosures = getattr(article, 'enclosures', [])
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for enclosure in enclosures:
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if enclosure.get('type', '').startswith('image/'):
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return enclosure.get('href')
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# Try media thumbnail
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if hasattr(article, 'media_thumbnail'):
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thumbnails = getattr(article, 'media_thumbnail', [])
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if thumbnails:
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return thumbnails[0].get('url')
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# Try parsing content for images
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if content:
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soup = BeautifulSoup(content, 'html.parser')
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img_tags = soup.find_all('img')
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for img in img_tags:
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src = img.get('src')
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if src and any(ext in src.lower() for ext in ['.jpg', '.jpeg', '.png', '.gif', '.webp']):
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return src
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return None
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async def fetch_feed(self, url: str, name: str, initial_run: bool = False) -> List[Dict]:
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"""Fetch and parse single RSS feed"""
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try:
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async with self.session.get(url) as response:
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if response.status == 200:
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content = await response.text()
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feed = feedparser.parse(content)
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if feed.bozo and feed.bozo_exception:
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logger.warning(f"Feed parsing warning for {name}: {feed.bozo_exception}")
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articles = []
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for entry in feed.entries[:10]: # Limit to 10 most recent
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# Parse publication date. Skip undated items to prevent stale replays.
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published = getattr(entry, 'published_parsed', None) or getattr(entry, 'updated_parsed', None)
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if not published:
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continue
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published_dt = datetime(*published[:6], tzinfo=timezone.utc)
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# Strict real-time gate: today's UTC articles only.
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if not self.is_article_from_today(published_dt):
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continue
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# Get content/description
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content = ""
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if hasattr(entry, 'content') and entry.content:
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content = entry.content[0].value if isinstance(entry.content, list) else entry.content
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elif hasattr(entry, 'summary'):
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content = entry.summary
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elif hasattr(entry, 'description'):
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content = entry.description
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article = {
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'hash': self.generate_article_hash(entry),
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'title': self.clean_html(getattr(entry, 'title', 'No Title')),
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'description': self.clean_html(content),
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'url': self.canonicalize_url(getattr(entry, 'link', '')),
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'published': published_dt.isoformat(),
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'published_human': published_dt.strftime('%Y-%m-%d %H:%M UTC'),
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'source': name,
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'category': '', # Will be set by caller
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'thumbnail': self.extract_thumbnail(entry, content),
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'feed_type': self.feed_type # Track which feed type this came from
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}
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# Skip if article has already been sent recently.
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if self.is_duplicate_article(article):
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continue
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articles.append(article)
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if initial_run and articles:
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logger.info(f"Initial run - marked {len(articles)} articles from {name} as seen")
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elif articles:
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logger.info(f"Fetched {len(articles)} new articles from {name}")
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return articles
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else:
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logger.error(f"HTTP {response.status} for feed {name}: {url}")
|
||
|
|
return []
|
||
|
|
|
||
|
|
except asyncio.TimeoutError:
|
||
|
|
logger.error(f"Timeout fetching feed {name}: {url}")
|
||
|
|
return []
|
||
|
|
except Exception as e:
|
||
|
|
logger.error(f"Error fetching feed {name}: {e}")
|
||
|
|
return []
|
||
|
|
|
||
|
|
async def fetch_all_feeds(self, initial_run: bool = False) -> List[Dict]:
|
||
|
|
"""Fetch all RSS feeds concurrently"""
|
||
|
|
if not self.session:
|
||
|
|
raise RuntimeError("RSS Manager not initialized. Use 'async with' context manager.")
|
||
|
|
|
||
|
|
tasks = []
|
||
|
|
for category_name, feeds in self.feeds.items():
|
||
|
|
for feed_name, feed_url in feeds.items():
|
||
|
|
task = self.fetch_feed(feed_url, feed_name, initial_run)
|
||
|
|
tasks.append((task, category_name))
|
||
|
|
|
||
|
|
all_articles = []
|
||
|
|
results = await asyncio.gather(*[task for task, _ in tasks], return_exceptions=True)
|
||
|
|
|
||
|
|
for (_, category), result in zip(tasks, results):
|
||
|
|
if isinstance(result, Exception):
|
||
|
|
logger.error(f"Exception in category {category}: {result}")
|
||
|
|
continue
|
||
|
|
|
||
|
|
for article in result:
|
||
|
|
article['category'] = category
|
||
|
|
all_articles.append(article)
|
||
|
|
|
||
|
|
# Sort by published date (newest first)
|
||
|
|
all_articles.sort(key=lambda x: x['published'], reverse=True)
|
||
|
|
|
||
|
|
if initial_run and all_articles:
|
||
|
|
# On first run, mark today's currently-visible items as sent to avoid startup flood.
|
||
|
|
now_iso = datetime.now(timezone.utc).isoformat()
|
||
|
|
for article in all_articles:
|
||
|
|
fingerprints = self.get_article_fingerprints(article)
|
||
|
|
if fingerprints['url_key']:
|
||
|
|
self.seen_articles[fingerprints['url_key']] = now_iso
|
||
|
|
self.seen_articles[fingerprints['content_key']] = now_iso
|
||
|
|
self.save_seen_articles()
|
||
|
|
logger.info(f"Initial run: Marked {len(all_articles)} existing articles as seen (no alerts sent)")
|
||
|
|
return [] # Don't send alerts on first run
|
||
|
|
|
||
|
|
logger.info(f"Total new articles: {len(all_articles)}")
|
||
|
|
return all_articles
|
||
|
|
|
||
|
|
async def check_feed_status(self) -> Dict[str, Dict]:
|
||
|
|
"""Check status of all feeds"""
|
||
|
|
if not self.session:
|
||
|
|
raise RuntimeError("RSS Manager not initialized. Use 'async with' context manager.")
|
||
|
|
|
||
|
|
status = {}
|
||
|
|
|
||
|
|
for category_name, feeds in self.feeds.items():
|
||
|
|
status[category_name] = {}
|
||
|
|
for feed_name, feed_url in feeds.items():
|
||
|
|
try:
|
||
|
|
async with self.session.get(feed_url) as response:
|
||
|
|
if response.status == 200:
|
||
|
|
content = await response.text()
|
||
|
|
feed = feedparser.parse(content)
|
||
|
|
entry_count = len(feed.entries)
|
||
|
|
last_updated = "Unknown"
|
||
|
|
|
||
|
|
if feed.entries:
|
||
|
|
latest = feed.entries[0]
|
||
|
|
if hasattr(latest, 'published_parsed') and latest.published_parsed:
|
||
|
|
dt = datetime(*latest.published_parsed[:6], tzinfo=timezone.utc)
|
||
|
|
last_updated = dt.strftime('%Y-%m-%d %H:%M UTC')
|
||
|
|
|
||
|
|
status[category_name][feed_name] = {
|
||
|
|
'status': '✅ Online',
|
||
|
|
'entries': entry_count,
|
||
|
|
'last_updated': last_updated,
|
||
|
|
'http_status': response.status
|
||
|
|
}
|
||
|
|
else:
|
||
|
|
status[category_name][feed_name] = {
|
||
|
|
'status': '❌ HTTP Error',
|
||
|
|
'entries': 0,
|
||
|
|
'last_updated': 'Error',
|
||
|
|
'http_status': response.status
|
||
|
|
}
|
||
|
|
|
||
|
|
except Exception as e:
|
||
|
|
status[category_name][feed_name] = {
|
||
|
|
'status': '❌ Error',
|
||
|
|
'entries': 0,
|
||
|
|
'last_updated': 'Error',
|
||
|
|
'error': str(e)[:100]
|
||
|
|
}
|
||
|
|
|
||
|
|
return status
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def format_telegram_message(article: Dict) -> Tuple[str, Optional[str]]:
|
||
|
|
"""Format article for Telegram message"""
|
||
|
|
# Category emoji mapping
|
||
|
|
category_emojis = {
|
||
|
|
'news': '📰',
|
||
|
|
'malware': '🦠',
|
||
|
|
'threat_intel': '🛰️',
|
||
|
|
'osint': '🕵️',
|
||
|
|
'research': '🔬'
|
||
|
|
}
|
||
|
|
|
||
|
|
emoji = category_emojis.get(article.get('category', ''), '📰')
|
||
|
|
category_display = article.get('category', '').replace('_', ' ').title()
|
||
|
|
|
||
|
|
title = escape(article.get('title', 'No Title'))
|
||
|
|
description = escape(article.get('description', ''))
|
||
|
|
source = escape(article.get('source', 'Unknown Source'))
|
||
|
|
published_human = escape(article.get('published_human', 'Unknown'))
|
||
|
|
category_safe = escape(category_display)
|
||
|
|
url = escape(article.get('url', ''), quote=True)
|
||
|
|
severity = article.get('severity', 'unknown').lower()
|
||
|
|
quality_score = article.get('quality_score')
|
||
|
|
cves = article.get('cves', [])[:3]
|
||
|
|
classifications = article.get('classifications', [])[:3]
|
||
|
|
|
||
|
|
severity_emoji = {
|
||
|
|
'critical': '🚨',
|
||
|
|
'high': '🔴',
|
||
|
|
'medium': '🟠',
|
||
|
|
'low': '🟡',
|
||
|
|
}.get(severity, '⚪')
|
||
|
|
severity_safe = escape(severity.upper())
|
||
|
|
|
||
|
|
message = f"{emoji} <b>{title}</b>\n\n"
|
||
|
|
|
||
|
|
if description:
|
||
|
|
message += f"📋 {description}\n\n"
|
||
|
|
|
||
|
|
message += f"🏷️ <b>Category:</b> {category_safe}\n"
|
||
|
|
message += f"📡 <b>Source:</b> {source}\n"
|
||
|
|
message += f"{severity_emoji} <b>Severity:</b> {severity_safe}\n"
|
||
|
|
if quality_score is not None:
|
||
|
|
message += f"⭐ <b>Quality:</b> {int(quality_score)}/100\n"
|
||
|
|
if classifications:
|
||
|
|
class_text = ", ".join(escape(c) for c in classifications)
|
||
|
|
message += f"🧠 <b>Type:</b> {class_text}\n"
|
||
|
|
if cves:
|
||
|
|
cve_text = ", ".join(escape(cve) for cve in cves)
|
||
|
|
message += f"🆔 <b>CVEs:</b> {cve_text}\n"
|
||
|
|
why_this_matters = RSSFeedManager.build_why_this_matters(article)
|
||
|
|
if why_this_matters:
|
||
|
|
message += f"🎯 <b>Why This Matters:</b> {escape(why_this_matters)}\n"
|
||
|
|
message += f"⏰ <b>Published:</b> {published_human}\n"
|
||
|
|
message += f"🔗 <b><a href=\"{url}\">Read Full Article</a></b>"
|
||
|
|
|
||
|
|
return message, article.get('thumbnail')
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def build_why_this_matters(article: Dict) -> str:
|
||
|
|
"""Generate a concise operator-grade impact sentence."""
|
||
|
|
reasons = []
|
||
|
|
severity = str(article.get("severity", "")).lower()
|
||
|
|
cves = article.get("cves", []) or []
|
||
|
|
actors = article.get("threat_actors", []) or []
|
||
|
|
classes = set(article.get("classifications", []) or [])
|
||
|
|
quality = int(article.get("quality_score", 0) or 0)
|
||
|
|
|
||
|
|
if severity in {"critical", "high"}:
|
||
|
|
reasons.append(f"{severity.upper()} severity")
|
||
|
|
if cves:
|
||
|
|
reasons.append(f"references {len(cves)} CVE(s)")
|
||
|
|
if actors:
|
||
|
|
reasons.append("mentions known threat actors")
|
||
|
|
if "poc" in classes:
|
||
|
|
reasons.append("exploit/PoC indicators present")
|
||
|
|
if "advisory" in classes:
|
||
|
|
reasons.append("actionable advisory/patch context")
|
||
|
|
if not reasons and quality >= 70:
|
||
|
|
reasons.append("high-signal technical reporting")
|
||
|
|
|
||
|
|
return "; ".join(reasons[:3])
|
||
|
|
|
||
|
|
# Example usage for testing
|
||
|
|
async def main():
|
||
|
|
async with RSSFeedManager() as rss_manager:
|
||
|
|
# Test fetching feeds
|
||
|
|
articles = await rss_manager.fetch_all_feeds()
|
||
|
|
|
||
|
|
for article in articles[:3]: # Show first 3 articles
|
||
|
|
message, thumbnail = rss_manager.format_telegram_message(article)
|
||
|
|
print("=" * 50)
|
||
|
|
print(message)
|
||
|
|
if thumbnail:
|
||
|
|
print(f"Thumbnail: {thumbnail}")
|
||
|
|
print()
|
||
|
|
|
||
|
|
# Test status check
|
||
|
|
print("Feed Status Check:")
|
||
|
|
status = await rss_manager.check_feed_status()
|
||
|
|
for category, feeds in status.items():
|
||
|
|
print(f"\n{category}:")
|
||
|
|
for feed_name, feed_status in feeds.items():
|
||
|
|
print(f" {feed_name}: {feed_status['status']} ({feed_status['entries']} entries)")
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
asyncio.run(main())
|