776 lines
31 KiB
Python
776 lines
31 KiB
Python
# -*- coding: UTF-8 -*-
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'''
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@Project :domainScanDemo
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@File :wayback_detector.py
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@IDE :PyCharm
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@Author :梦伴
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@Date :2026/4/8 23:57
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@explain : Wayback检测器
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'''
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import html
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import json
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import re
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import threading
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import time
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import zlib
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from base64 import b64decode, b64encode
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from concurrent.futures import FIRST_COMPLETED, ThreadPoolExecutor, wait
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import requests
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from requests.adapters import HTTPAdapter
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from urllib3.util.retry import Retry
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from app.config import config
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from app.detectors.base import BaseDetector
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from app.utils.redis_client import get_redis_client
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class WaybackDetector(BaseDetector):
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"""
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Wayback检测器
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"""
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TITLE_PATTERN = re.compile(r'<title[^>]*>(.*?)</title>', re.IGNORECASE | re.DOTALL)
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_transient_backoff_until = 0.0
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_transient_backoff_lock = threading.Lock()
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def __init__(self):
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"""
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初始化Wayback检测器
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"""
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super().__init__()
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self.cdx_api_url = 'https://web.archive.org/cdx/search/cdx'
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# 使用 id_ 直接取快照内容，避免回放页面额外壳层干扰正文匹配。
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self.snapshot_url = 'https://web.archive.org/web/{timestamp}id_/{domain}'
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self._timestamp_cache = {}
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self._title_cache = {}
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self._cache_lock = threading.Lock()
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self.session = self._build_session()
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self.redis_client = self._build_redis_client()
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def _build_session(self):
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session = requests.Session()
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session.trust_env = False
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retry = Retry(
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total=max(0, config.WAYBACK_RETRY_COUNT),
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backoff_factor=0.5,
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status_forcelist=(429, 500, 502, 503, 504),
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allowed_methods=frozenset(["GET"]),
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raise_on_status=False,
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)
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adapter = HTTPAdapter(max_retries=retry, pool_connections=128, pool_maxsize=256)
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session.mount('http://', adapter)
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session.mount('https://', adapter)
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session.headers.update({
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'User-Agent': config.WAYBACK_USER_AGENT,
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'Accept-Language': 'zh-CN,zh;q=0.9,en;q=0.8',
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})
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return session
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@staticmethod
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def _resolve_timeout(total_timeout, connect_cap=3):
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total = max(1.0, float(total_timeout or 0))
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return (min(float(connect_cap), total), total)
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@staticmethod
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def _is_transient_request_error(message):
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lowered = str(message or '').lower()
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keywords = (
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'timeout',
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'timed out',
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'connecttimeout',
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'read timeout',
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'connection reset',
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'connection refused',
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'connection aborted',
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'name or service not known',
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'temporary failure',
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'max retries exceeded',
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'ssl',
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)
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return any(keyword in lowered for keyword in keywords)
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@classmethod
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def _transient_backoff_remaining_seconds(cls):
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with cls._transient_backoff_lock:
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remaining = float(cls._transient_backoff_until or 0) - time.time()
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return max(0.0, remaining)
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@classmethod
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def _trip_transient_backoff(cls):
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backoff_seconds = max(0.0, float(getattr(config, "WAYBACK_TRANSIENT_BACKOFF_SECONDS", 0) or 0))
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if backoff_seconds <= 0:
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return
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with cls._transient_backoff_lock:
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cls._transient_backoff_until = max(float(cls._transient_backoff_until or 0), time.time() + backoff_seconds)
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def _build_redis_client(self):
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try:
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client = get_redis_client(role="standard")
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client.ping()
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return client
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except Exception:
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return None
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def _title_cache_key(self, domain, timestamp):
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return f"domain_tool:wayback_title:{domain}:{timestamp}"
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def _timestamp_cache_key(self, domain):
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return f"domain_tool:wayback_timestamps:{domain}"
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def _record_cache_key(self, domain):
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return f"domain_tool:wayback_records:{domain}"
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def _normalize_title(self, title):
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normalized = html.unescape(title or '')
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normalized = re.sub(r'\s+', ' ', normalized, flags=re.DOTALL).strip().lower()
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return normalized
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def _extract_title(self, content):
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match = self.TITLE_PATTERN.search(content or '')
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if not match:
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return ''
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return html.unescape(match.group(1)).strip()
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def _load_cached_title(self, domain, timestamp):
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cache_key = self._title_cache_key(domain, timestamp)
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with self._cache_lock:
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if cache_key in self._title_cache:
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return self._title_cache[cache_key]
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if self.redis_client:
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try:
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raw_value = self.redis_client.get(cache_key)
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if raw_value:
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data = json.loads(raw_value)
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with self._cache_lock:
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self._title_cache[cache_key] = data
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return data
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except Exception:
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pass
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return None
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def _save_cached_title(self, domain, timestamp, data):
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cache_key = self._title_cache_key(domain, timestamp)
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with self._cache_lock:
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self._title_cache[cache_key] = data
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if self.redis_client:
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try:
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self.redis_client.set(
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cache_key,
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json.dumps(data, ensure_ascii=False),
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ex=max(0, config.WAYBACK_TITLE_CACHE_TTL) or None,
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)
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except Exception:
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pass
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def _load_cached_timestamps(self, domain):
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if domain in self._timestamp_cache:
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return list(self._timestamp_cache[domain])
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if not self.redis_client:
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return None
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try:
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raw_value = self.redis_client.get(self._timestamp_cache_key(domain))
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if not raw_value:
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return None
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compressed = b64decode(raw_value.encode('ascii'))
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timestamps = json.loads(zlib.decompress(compressed).decode('utf-8'))
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if isinstance(timestamps, list):
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self._timestamp_cache[domain] = tuple(timestamps)
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return list(timestamps)
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except Exception:
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return None
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return None
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def _save_cached_timestamps(self, domain, timestamps):
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self._timestamp_cache[domain] = tuple(timestamps)
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if not self.redis_client:
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return
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try:
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payload = json.dumps(timestamps, separators=(',', ':')).encode('utf-8')
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compressed = zlib.compress(payload, level=6)
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self.redis_client.set(
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self._timestamp_cache_key(domain),
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b64encode(compressed).decode('ascii'),
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ex=max(0, config.WAYBACK_TIMESTAMP_CACHE_TTL) or None,
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)
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except Exception:
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pass
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def _load_cached_records(self, domain):
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cache_key = self._record_cache_key(domain)
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with self._cache_lock:
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if cache_key in self._timestamp_cache:
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return [
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{'timestamp': item[0], 'digest': item[1]}
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for item in self._timestamp_cache[cache_key]
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]
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if not self.redis_client:
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return None
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try:
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raw_value = self.redis_client.get(cache_key)
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if not raw_value:
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return None
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compressed = b64decode(raw_value.encode('ascii'))
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records = json.loads(zlib.decompress(compressed).decode('utf-8'))
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if isinstance(records, list):
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normalized = tuple(
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(item.get('timestamp', ''), item.get('digest', ''))
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for item in records if isinstance(item, dict)
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)
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with self._cache_lock:
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self._timestamp_cache[cache_key] = normalized
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return [
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{'timestamp': item[0], 'digest': item[1]}
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for item in normalized if item[0]
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]
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except Exception:
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return None
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return None
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def _save_cached_records(self, domain, records):
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cache_key = self._record_cache_key(domain)
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normalized = tuple(
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(item.get('timestamp', ''), item.get('digest', ''))
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for item in (records or [])
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if item and item.get('timestamp')
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)
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with self._cache_lock:
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self._timestamp_cache[cache_key] = normalized
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if not self.redis_client:
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return
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try:
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payload = json.dumps(
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[{'timestamp': item[0], 'digest': item[1]} for item in normalized],
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separators=(',', ':')
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).encode('utf-8')
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compressed = zlib.compress(payload, level=6)
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self.redis_client.set(
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cache_key,
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b64encode(compressed).decode('ascii'),
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ex=max(0, config.WAYBACK_TIMESTAMP_CACHE_TTL) or None,
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)
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except Exception:
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pass
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def _fetch_cdx_records_with_meta(self, domain, limit=None, fast_latest=False):
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response = None
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try:
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params = {
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'url': domain,
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'output': 'txt',
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'fl': 'timestamp,digest',
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'filter': ['statuscode:200', 'mimetype:text/html'],
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}
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if limit is not None:
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params['limit'] = str(limit)
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if fast_latest:
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params['fastLatest'] = 'true'
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response = self.session.get(
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self.cdx_api_url,
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params=params,
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timeout=self._resolve_timeout(config.WAYBACK_CDX_TIMEOUT),
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stream=True,
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)
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if response.status_code != 200:
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self._log_warning(f"获取快照记录失败: {response.status_code}")
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return {
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'records': [],
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'error': f"HTTP {response.status_code}",
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'status_code': response.status_code,
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}
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records = []
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seen = set()
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for raw_line in response.iter_lines(decode_unicode=True):
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line = (raw_line or '').strip()
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if not line:
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continue
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parts = line.split()
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timestamp = parts[0].strip() if parts else ''
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digest = parts[1].strip() if len(parts) > 1 else ''
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if not timestamp or timestamp in seen:
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continue
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seen.add(timestamp)
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records.append({'timestamp': timestamp, 'digest': digest})
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return {
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'records': records,
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'error': None,
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'status_code': response.status_code,
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}
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except Exception as e:
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self._handle_exception(e, domain)
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return {
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'records': [],
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'error': str(e),
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'status_code': None,
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}
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finally:
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try:
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if response is not None:
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response.close()
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except Exception:
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pass
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def _fetch_cdx_records(self, domain, limit=None, fast_latest=False):
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return self._fetch_cdx_records_with_meta(domain, limit=limit, fast_latest=fast_latest).get('records', [])
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def get_latest_snapshot_record(self, domain):
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records = self._fetch_cdx_records(domain, limit=-1, fast_latest=True)
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return records[0] if records else None
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def get_snapshot_records(self, domain):
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cached_records = self._load_cached_records(domain)
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if cached_records is not None:
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return cached_records
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records = self._fetch_cdx_records(domain)
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if records:
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self._save_cached_records(domain, records)
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self._save_cached_timestamps(domain, [item['timestamp'] for item in records])
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return records
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def check_domain(self, domain):
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"""
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检测域名
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:param domain: 域名
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:return: dict - 检测结果
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"""
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try:
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return self.scan_snapshots(domain)
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except Exception as e:
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return self._handle_exception(e, domain)
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def get_snapshot_timestamps(self, domain):
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cached_records = self._load_cached_records(domain)
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if cached_records is not None:
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return [item['timestamp'] for item in cached_records if item.get('timestamp')]
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cached_timestamps = self._load_cached_timestamps(domain)
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if cached_timestamps is not None:
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return cached_timestamps
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records = self.get_snapshot_records(domain)
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return [item['timestamp'] for item in records if item.get('timestamp')]
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def _fetch_snapshot_title(self, domain, timestamp):
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cached = self._load_cached_title(domain, timestamp)
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if cached is not None:
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return cached
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snapshot_url = self.snapshot_url.format(timestamp=timestamp, domain=domain)
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response = None
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try:
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response = self.session.get(
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snapshot_url,
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timeout=self._resolve_timeout(config.WAYBACK_SNAPSHOT_TIMEOUT),
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stream=True,
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)
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if response.status_code != 200:
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data = {
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'timestamp': timestamp,
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'title': '',
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'ok': False,
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'error': f'HTTP {response.status_code}',
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}
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self._save_cached_title(domain, timestamp, data)
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return data
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content_type = (response.headers.get('Content-Type') or '').lower()
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if content_type and 'text/html' not in content_type and 'application/xhtml+xml' not in content_type:
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data = {
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'timestamp': timestamp,
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'title': '',
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'ok': False,
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'error': f'content_type:{content_type}',
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}
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self._save_cached_title(domain, timestamp, data)
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return data
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chunks = []
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total_bytes = 0
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found_title = False
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for chunk in response.iter_content(chunk_size=4096, decode_unicode=True):
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if not chunk:
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continue
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chunks.append(chunk)
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total_bytes += len(chunk.encode('utf-8', errors='ignore'))
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current_text = ''.join(chunks)
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if '</title>' in current_text.lower():
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found_title = True
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break
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if total_bytes >= config.WAYBACK_TITLE_MAX_BYTES:
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break
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content = ''.join(chunks)
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title = self._extract_title(content) if found_title or content else ''
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data = {'timestamp': timestamp, 'title': title, 'ok': True, 'error': ''}
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self._save_cached_title(domain, timestamp, data)
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return data
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except Exception as exc:
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data = {'timestamp': timestamp, 'title': '', 'ok': False, 'error': str(exc)}
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self._save_cached_title(domain, timestamp, data)
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return data
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finally:
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try:
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if response is not None:
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response.close()
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except Exception:
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pass
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def get_snapshot_years(self, domain):
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"""
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获取快照年份
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:param domain: 域名
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:return: list - 快照年份列表
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"""
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try:
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years = set()
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for timestamp in self.get_snapshot_timestamps(domain):
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if len(timestamp) >= 4:
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years.add(int(timestamp[:4]))
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return sorted(years)
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except Exception as e:
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self._handle_exception(e, domain)
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return []
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def has_sensitive_content(self, domain):
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"""
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检查是否包含敏感内容
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:param domain: 域名
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:return: bool - 是否包含敏感内容
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"""
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try:
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result = self.scan_snapshots(domain)
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return result.get('has_sensitive_content', False)
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except Exception as e:
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self._handle_exception(e, domain)
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return False
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@staticmethod
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def _resolve_recent_year_cutoff(recent_years):
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try:
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normalized_recent_years = int(recent_years or 0)
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except (TypeError, ValueError):
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return None
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if normalized_recent_years <= 0:
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return None
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return time.gmtime().tm_year - normalized_recent_years + 1
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def _filter_records_recent_years(self, records, recent_years=None):
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cutoff_year = self._resolve_recent_year_cutoff(recent_years)
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if cutoff_year is None:
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return list(records or [])
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filtered = []
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for item in list(records or []):
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timestamp = str((item or {}).get('timestamp') or '').strip()
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if len(timestamp) < 4:
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continue
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try:
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year = int(timestamp[:4])
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except (TypeError, ValueError):
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continue
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if year >= cutoff_year:
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filtered.append(item)
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return filtered
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def _limit_records_for_scan(self, records):
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max_records = max(1, int(getattr(config, "WAYBACK_MAX_RECORDS", 8) or 8))
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trimmed = []
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for item in list(records or []):
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if len(trimmed) >= max_records:
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break
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trimmed.append(item)
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return trimmed
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def _resolve_scan_record_fetch_limit(self):
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max_records = max(1, int(getattr(config, "WAYBACK_MAX_RECORDS", 8) or 8))
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# 扫描阶段最终只会保留最近的少量快照；如果每次都把整个 CDX 历史拉下来，
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# 在快照特别多的域名上会白白浪费很多秒。这里改成“最近一小窗”，同时留出
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# 重复 digest/标题的缓冲空间，避免把最新几条里重复记录全部裁没了。
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recent_window = max(12, max_records * 6)
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return -recent_window
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def scan_snapshots(self, domain, sensitive_words=None, stop_on_first_hit=True, recent_years=None):
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sensitive_words = sensitive_words or config.load_sensitive_words()
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request_errors = []
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transient_backoff_remaining = self._transient_backoff_remaining_seconds()
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if transient_backoff_remaining > 0:
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return {
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'snapshot_years': [],
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'has_sensitive_content': False,
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'matched_word': None,
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'matched_timestamp': None,
|
||
'matched_title': None,
|
||
'backlink_count': 0,
|
||
'backlink_count_gt_10': False,
|
||
'checked_snapshot_count': 0,
|
||
'fetched_snapshot_count': 0,
|
||
'failed_snapshot_count': 1,
|
||
'unique_title_count': 0,
|
||
'duplicate_title_skipped': 0,
|
||
'digest_duplicate_skipped': 0,
|
||
'request_error_count': 1,
|
||
'request_errors': [f"wayback_backoff_active:{round(transient_backoff_remaining, 2)}s"],
|
||
'elapsed_seconds': 0.0,
|
||
}
|
||
transient_request_failures = 0
|
||
transient_request_failure_threshold = 2
|
||
|
||
latest_fetch = self._fetch_cdx_records_with_meta(domain, limit=-1, fast_latest=True)
|
||
latest_record = (latest_fetch.get('records') or [None])[0]
|
||
latest_fetch_transient_failure = False
|
||
if latest_fetch.get('error'):
|
||
request_errors.append(f"latest_cdx: {latest_fetch.get('error')}")
|
||
if self._is_transient_request_error(latest_fetch.get('error')):
|
||
latest_fetch_transient_failure = True
|
||
transient_request_failures += 1
|
||
latest_timestamp = (latest_record or {}).get('timestamp')
|
||
latest_digest = (latest_record or {}).get('digest', '')
|
||
cutoff_year = self._resolve_recent_year_cutoff(recent_years)
|
||
if latest_timestamp and cutoff_year is not None:
|
||
try:
|
||
latest_year = int(str(latest_timestamp)[:4])
|
||
except (TypeError, ValueError):
|
||
latest_year = 0
|
||
if latest_year < cutoff_year:
|
||
latest_record = None
|
||
latest_timestamp = None
|
||
latest_digest = ''
|
||
matched_word = None
|
||
matched_timestamp = None
|
||
matched_title = None
|
||
fetched_snapshot_count = 0
|
||
failed_snapshot_count = 0
|
||
unique_title_count = 0
|
||
duplicate_title_skipped = 0
|
||
digest_duplicate_skipped = 0
|
||
started_at = time.time()
|
||
progress_interval = max(1, config.WAYBACK_PROGRESS_INTERVAL)
|
||
title_seen = set()
|
||
digest_seen = set()
|
||
checked_snapshot_count = 0
|
||
domain_concurrency = max(1, config.WAYBACK_DOMAIN_CONCURRENCY)
|
||
transient_snapshot_failures = 0
|
||
transient_snapshot_failure_threshold = max(2, domain_concurrency)
|
||
|
||
if latest_timestamp:
|
||
latest_result = self._fetch_snapshot_title(domain, latest_timestamp)
|
||
checked_snapshot_count = 1
|
||
if latest_result and latest_result.get('ok'):
|
||
fetched_snapshot_count = 1
|
||
title = latest_result.get('title', '')
|
||
normalized_title = self._normalize_title(title)
|
||
if latest_digest:
|
||
digest_seen.add(latest_digest)
|
||
if normalized_title:
|
||
title_seen.add(normalized_title)
|
||
unique_title_count = 1
|
||
matched_word = self._find_sensitive_word(title, sensitive_words)
|
||
if matched_word and stop_on_first_hit:
|
||
matched_timestamp = latest_timestamp
|
||
matched_title = title
|
||
return {
|
||
'snapshot_years': [int(latest_timestamp[:4])] if len(latest_timestamp) >= 4 else [],
|
||
'has_sensitive_content': True,
|
||
'matched_word': matched_word,
|
||
'matched_timestamp': matched_timestamp,
|
||
'matched_title': matched_title,
|
||
'backlink_count': 0,
|
||
'backlink_count_gt_10': False,
|
||
'checked_snapshot_count': checked_snapshot_count,
|
||
'fetched_snapshot_count': fetched_snapshot_count,
|
||
'failed_snapshot_count': failed_snapshot_count,
|
||
'unique_title_count': unique_title_count,
|
||
'duplicate_title_skipped': duplicate_title_skipped,
|
||
'digest_duplicate_skipped': digest_duplicate_skipped,
|
||
'elapsed_seconds': round(time.time() - started_at, 2),
|
||
}
|
||
else:
|
||
failed_snapshot_count += 1
|
||
latest_error = str((latest_result or {}).get('error') or '').strip()
|
||
if latest_error:
|
||
request_errors.append(f"latest_snapshot: {latest_error}")
|
||
if latest_error and self._is_transient_request_error(latest_error):
|
||
transient_request_failures += 1
|
||
|
||
cached_records = self._load_cached_records(domain)
|
||
if cached_records is not None:
|
||
records = cached_records
|
||
else:
|
||
if latest_fetch_transient_failure and not latest_timestamp:
|
||
records = []
|
||
else:
|
||
records_fetch = self._fetch_cdx_records_with_meta(
|
||
domain,
|
||
limit=self._resolve_scan_record_fetch_limit(),
|
||
)
|
||
if records_fetch.get('error'):
|
||
request_errors.append(f"records_cdx: {records_fetch.get('error')}")
|
||
if self._is_transient_request_error(records_fetch.get('error')):
|
||
transient_request_failures += 1
|
||
records = records_fetch.get('records') or []
|
||
if records:
|
||
self._save_cached_records(domain, records)
|
||
self._save_cached_timestamps(domain, [item['timestamp'] for item in records])
|
||
|
||
if (
|
||
not latest_timestamp
|
||
and not records
|
||
and (
|
||
transient_request_failures >= transient_request_failure_threshold
|
||
or latest_fetch_transient_failure
|
||
)
|
||
):
|
||
self._trip_transient_backoff()
|
||
return {
|
||
'snapshot_years': [],
|
||
'has_sensitive_content': False,
|
||
'matched_word': None,
|
||
'matched_timestamp': None,
|
||
'matched_title': None,
|
||
'backlink_count': 0,
|
||
'backlink_count_gt_10': False,
|
||
'checked_snapshot_count': checked_snapshot_count,
|
||
'fetched_snapshot_count': fetched_snapshot_count,
|
||
'failed_snapshot_count': max(1, failed_snapshot_count),
|
||
'unique_title_count': 0,
|
||
'duplicate_title_skipped': duplicate_title_skipped,
|
||
'digest_duplicate_skipped': digest_duplicate_skipped,
|
||
'request_error_count': len(request_errors),
|
||
'request_errors': request_errors,
|
||
'elapsed_seconds': round(time.time() - started_at, 2),
|
||
}
|
||
|
||
records = self._filter_records_recent_years(records, recent_years=recent_years)
|
||
records = sorted(records, key=lambda item: item.get('timestamp', ''), reverse=True)
|
||
records = self._limit_records_for_scan(records)
|
||
years = sorted({int(item['timestamp'][:4]) for item in records if len(item.get('timestamp', '')) >= 4})
|
||
checked_snapshot_count = len(records)
|
||
pending_records = []
|
||
for item in records:
|
||
timestamp = item.get('timestamp', '')
|
||
digest = item.get('digest', '')
|
||
if not timestamp:
|
||
continue
|
||
if latest_timestamp and timestamp == latest_timestamp:
|
||
continue
|
||
if digest and digest in digest_seen:
|
||
digest_duplicate_skipped += 1
|
||
continue
|
||
if digest:
|
||
digest_seen.add(digest)
|
||
pending_records.append(item)
|
||
|
||
executor = ThreadPoolExecutor(max_workers=domain_concurrency)
|
||
pending = {}
|
||
index = 0
|
||
finished_count = 1 if latest_timestamp else 0
|
||
stop_requested = False
|
||
try:
|
||
while (index < len(pending_records) or pending) and not stop_requested:
|
||
while index < len(pending_records) and len(pending) < domain_concurrency and not stop_requested:
|
||
timestamp = pending_records[index]['timestamp']
|
||
future = executor.submit(self._fetch_snapshot_title, domain, timestamp)
|
||
pending[future] = timestamp
|
||
index += 1
|
||
|
||
if not pending:
|
||
break
|
||
|
||
done, _ = wait(list(pending.keys()), return_when=FIRST_COMPLETED)
|
||
for future in done:
|
||
timestamp = pending.pop(future, None)
|
||
finished_count += 1
|
||
try:
|
||
result = future.result()
|
||
except Exception as e:
|
||
failed_snapshot_count += 1
|
||
self._handle_exception(e, domain)
|
||
continue
|
||
|
||
if not result or not result.get('ok'):
|
||
failed_snapshot_count += 1
|
||
error_message = str((result or {}).get('error') or '').strip()
|
||
if error_message:
|
||
request_errors.append(f"snapshot:{timestamp}: {error_message}")
|
||
if error_message and self._is_transient_request_error(error_message):
|
||
transient_snapshot_failures += 1
|
||
if transient_snapshot_failures >= transient_snapshot_failure_threshold:
|
||
self._trip_transient_backoff()
|
||
stop_requested = True
|
||
continue
|
||
|
||
fetched_snapshot_count += 1
|
||
transient_snapshot_failures = 0
|
||
title = result.get('title', '')
|
||
normalized_title = self._normalize_title(title)
|
||
if normalized_title:
|
||
if normalized_title in title_seen:
|
||
duplicate_title_skipped += 1
|
||
else:
|
||
title_seen.add(normalized_title)
|
||
unique_title_count += 1
|
||
matched_word = self._find_sensitive_word(title, sensitive_words)
|
||
if matched_word:
|
||
matched_timestamp = timestamp
|
||
matched_title = title
|
||
if stop_on_first_hit:
|
||
stop_requested = True
|
||
if finished_count % progress_interval == 0:
|
||
elapsed = round(time.time() - started_at, 2)
|
||
self._log_info(
|
||
f"{domain} 时光机进度: {finished_count}/{checked_snapshot_count}，成功 {fetched_snapshot_count}，失败 {failed_snapshot_count}，唯一标题 {unique_title_count}，标题重复跳过 {duplicate_title_skipped}，digest 重复跳过 {digest_duplicate_skipped}，耗时 {elapsed}s"
|
||
)
|
||
if config.WAYBACK_REQUEST_DELAY > 0:
|
||
time.sleep(config.WAYBACK_REQUEST_DELAY)
|
||
finally:
|
||
if stop_requested:
|
||
for future in list(pending.keys()):
|
||
future.cancel()
|
||
executor.shutdown(wait=False, cancel_futures=True)
|
||
else:
|
||
executor.shutdown(wait=True)
|
||
|
||
return {
|
||
'snapshot_years': years,
|
||
'has_sensitive_content': matched_word is not None,
|
||
'matched_word': matched_word,
|
||
'matched_timestamp': matched_timestamp,
|
||
'matched_title': matched_title,
|
||
'backlink_count': 0,
|
||
'backlink_count_gt_10': False,
|
||
'checked_snapshot_count': checked_snapshot_count,
|
||
'fetched_snapshot_count': fetched_snapshot_count,
|
||
'failed_snapshot_count': failed_snapshot_count,
|
||
'unique_title_count': unique_title_count,
|
||
'duplicate_title_skipped': duplicate_title_skipped,
|
||
'digest_duplicate_skipped': digest_duplicate_skipped,
|
||
'request_error_count': len(request_errors),
|
||
'request_errors': request_errors,
|
||
'elapsed_seconds': round(time.time() - started_at, 2),
|
||
}
|
||
|
||
def _check_sensitive_words(self, content):
|
||
"""
|
||
检查敏感词
|
||
|
||
:param content: 内容
|
||
:return: bool - 是否包含敏感词
|
||
"""
|
||
return self._find_sensitive_word(content, config.load_sensitive_words()) is not None
|
||
|
||
def _find_sensitive_word(self, content, sensitive_words):
|
||
for word in sensitive_words or []:
|
||
if word and word in (content or ''):
|
||
return word
|
||
return None
|
||
|
||
def get_backlink_count(self, domain):
|
||
"""
|
||
当前策略仅扫描标题，不再抓取正文，友链数量默认返回 0。
|
||
"""
|
||
return 0
|
||
|
||
def _count_backlinks(self, content):
|
||
return 0
|