116 lines
3.5 KiB
Python
116 lines
3.5 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Copyright (C) 2026 tmwgsicp
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# Licensed under the GNU Affero General Public License v3.0
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# See LICENSE file in the project root for full license text.
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# SPDX-License-Identifier: AGPL-3.0-only
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"""
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Webhook 通知模块
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支持企业微信群机器人和通用 Webhook
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"""
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import httpx
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import time
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import os
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import logging
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from typing import Optional, Dict
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from datetime import datetime
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logger = logging.getLogger("webhook")
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EVENT_LABELS = {
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"login_success": "登录成功",
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"login_expired": "登录过期",
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"verification_required": "触发验证",
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"content_fetch_failed": "文章内容获取失败",
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}
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class WebhookNotifier:
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def __init__(self):
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self._last_notification: Dict[str, float] = {}
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self._notification_interval = int(
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os.getenv("WEBHOOK_NOTIFICATION_INTERVAL", "300")
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)
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@property
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def webhook_url(self) -> str:
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"""每次读取时从 .env 刷新，确保运行中修改配置也能生效"""
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from pathlib import Path
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env_path = Path(__file__).resolve().parent.parent / ".env"
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if env_path.exists():
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from dotenv import dotenv_values
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vals = dotenv_values(env_path)
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url = vals.get("WEBHOOK_URL", "")
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else:
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url = os.getenv("WEBHOOK_URL", "")
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return (url or "").strip()
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@property
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def enabled(self) -> bool:
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return bool(self.webhook_url)
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def _is_wecom(self, url: str) -> bool:
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return "qyapi.weixin.qq.com" in url
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def _build_payload(self, url: str, event: str, data: Dict) -> dict:
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"""根据 webhook 类型构造消息体"""
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label = EVENT_LABELS.get(event, event)
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ts = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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lines = [f"**{label}**", f"> {ts}"]
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for k, v in (data or {}).items():
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if v:
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lines.append(f"> {k}: {v}")
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if self._is_wecom(url):
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return {
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"msgtype": "markdown",
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"markdown": {"content": "\n".join(lines)},
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}
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return {
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"event": event,
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"timestamp": int(time.time()),
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"timestamp_str": ts,
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"message": "\n".join(lines),
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"data": data or {},
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}
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async def notify(self, event: str, data: Optional[Dict] = None) -> bool:
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url = self.webhook_url
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if not url:
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return False
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now = time.time()
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last = self._last_notification.get(event, 0)
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if now - last < self._notification_interval:
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logger.debug("Skip duplicate webhook: %s (%ds since last)", event, int(now - last))
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return False
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payload = self._build_payload(url, event, data or {})
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try:
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async with httpx.AsyncClient(timeout=10.0) as client:
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resp = await client.post(url, json=payload)
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resp.raise_for_status()
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ct = resp.headers.get("content-type", "")
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body = resp.json() if "json" in ct else {}
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errcode = body.get("errcode", 0)
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if errcode != 0:
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errmsg = body.get("errmsg", "unknown")
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logger.error("Webhook errcode=%s: %s", errcode, errmsg)
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return False
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self._last_notification[event] = now
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logger.info("Webhook sent: %s", event)
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return True
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except Exception as e:
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logger.error("Webhook failed: %s - %s", event, e)
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return False
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webhook = WebhookNotifier()
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