ace2af7dba
- 新增 /webhook/trendradar 接口，支持TrendRadar通用Webhook推送 - 支持 token 校验、默认目标群配置、可选payload覆盖目标群 - 将Webhook蓝图注册到Dashboard服务，并补充配置项 - 新增对接说明文档，提供TrendRadar环境变量模板示例
210 lines
7.0 KiB
Python
210 lines
7.0 KiB
Python
# -*- coding: utf-8 -*-
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"""
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TrendRadar Webhook 适配蓝图。
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设计目标：
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1. 提供一个无需登录态的公开 webhook 接口，供 TrendRadar 推送热点内容；
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2. 兼容 TrendRadar Generic Webhook 常见字段（title/content）以及常见别名；
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3. 将接收到的内容转发到配置的微信群，支持按 payload 指定目标群（可开关）。
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"""
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import asyncio
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import json
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import threading
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from typing import Any, Dict, List, Tuple
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from flask import Blueprint, current_app, jsonify, request
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from loguru import logger
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# 独立 webhook 路由，避免和后台管理接口混在一起。
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trendradar_webhook_bp = Blueprint("trendradar_webhook", __name__, url_prefix="/webhook")
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# 使用独立事件循环在线程中发送消息，避免阻塞 Flask 请求线程。
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_shared_loop = None
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_loop_lock = threading.Lock()
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def _get_or_create_loop() -> asyncio.AbstractEventLoop:
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"""获取或创建共享事件循环。"""
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global _shared_loop
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with _loop_lock:
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if _shared_loop is None:
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_shared_loop = asyncio.new_event_loop()
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def _run_loop():
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asyncio.set_event_loop(_shared_loop)
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_shared_loop.run_forever()
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t = threading.Thread(target=_run_loop, daemon=True, name="trendradar_webhook_loop")
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t.start()
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return _shared_loop
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def _parse_payload() -> Dict[str, Any]:
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"""解析请求负载，优先 JSON，兼容 form 与原始文本。"""
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payload = request.get_json(silent=True)
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if isinstance(payload, dict):
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return payload
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if request.form:
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return {k: v for k, v in request.form.items()}
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raw_text = (request.get_data(cache=False, as_text=True) or "").strip()
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if not raw_text:
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return {}
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try:
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data = json.loads(raw_text)
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if isinstance(data, dict):
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return data
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except Exception:
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pass
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return {"raw_text": raw_text}
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def _extract_title_content(payload: Dict[str, Any]) -> Tuple[str, str]:
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"""提取标题与正文，兼容多种字段写法。"""
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title = str(
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payload.get("title")
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or payload.get("subject")
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or (payload.get("data") or {}).get("title")
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or "TrendRadar 热点推送"
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).strip()
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content = str(
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payload.get("content")
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or payload.get("text")
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or payload.get("message")
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or payload.get("summary")
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or (payload.get("data") or {}).get("content")
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or ""
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).strip()
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# 若未提取到标准字段，保底输出完整 payload，避免静默丢消息。
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if not content:
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content = json.dumps(payload, ensure_ascii=False, indent=2)
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return title, content
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def _extract_target_groups(cfg: Dict[str, Any], payload: Dict[str, Any]) -> List[str]:
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"""提取目标群列表。
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优先级：
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1. 当 allow_payload_target_groups = true 时，允许 payload 覆盖目标群；
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2. 否则使用配置 default_group_ids。
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"""
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targets: List[str] = []
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allow_payload = bool(cfg.get("allow_payload_target_groups", False))
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if allow_payload:
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raw_payload_targets = (
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payload.get("target_group_ids")
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or payload.get("group_ids")
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or payload.get("target_group_id")
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or payload.get("group_id")
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or payload.get("roomid")
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)
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if isinstance(raw_payload_targets, str):
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targets.extend([x.strip() for x in raw_payload_targets.split(",") if x.strip()])
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elif isinstance(raw_payload_targets, list):
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targets.extend([str(x).strip() for x in raw_payload_targets if str(x).strip()])
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if not targets:
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raw_cfg_targets = cfg.get("default_group_ids", [])
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if isinstance(raw_cfg_targets, str):
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targets.extend([x.strip() for x in raw_cfg_targets.split(",") if x.strip()])
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elif isinstance(raw_cfg_targets, list):
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targets.extend([str(x).strip() for x in raw_cfg_targets if str(x).strip()])
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# 去重并保持顺序。
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seen = set()
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result: List[str] = []
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for gid in targets:
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if gid in seen:
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continue
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seen.add(gid)
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result.append(gid)
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return result
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def _build_wechat_text(title: str, content: str, payload: Dict[str, Any]) -> str:
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"""构造转发到微信群的文本。"""
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source = str(payload.get("source") or payload.get("platform") or "TrendRadar").strip()
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lines = [
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"📡 TrendRadar 热点播报",
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f"来源：{source}",
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f"标题：{title}",
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"",
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content,
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]
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return "\n".join(lines).strip()
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def _check_token(cfg: Dict[str, Any], payload: Dict[str, Any]) -> bool:
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"""校验 webhook token。"""
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expected = str(cfg.get("token", "") or "").strip()
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if not expected:
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return True
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provided = str(
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request.headers.get("X-Webhook-Token")
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or request.args.get("token")
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or payload.get("token")
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or ""
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).strip()
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return provided == expected
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@trendradar_webhook_bp.route("/trendradar", methods=["POST"])
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def trendradar_webhook():
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"""TrendRadar Webhook 接口。"""
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try:
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dashboard_server = current_app.dashboard_server
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cfg = (dashboard_server.config or {}).get("trendradar_webhook", {})
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if not bool(cfg.get("enabled", False)):
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return jsonify({"success": False, "message": "trendradar webhook 未启用"}), 403
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payload = _parse_payload()
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if not _check_token(cfg, payload):
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return jsonify({"success": False, "message": "token 校验失败"}), 401
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title, content = _extract_title_content(payload)
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target_groups = _extract_target_groups(cfg, payload)
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if not target_groups:
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return jsonify({"success": False, "message": "未配置目标群"}), 400
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text = _build_wechat_text(title, content, payload)
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loop = _get_or_create_loop()
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sent_groups: List[str] = []
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failed_groups: Dict[str, str] = {}
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async def _send_once(group_id: str):
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# sender 传空字符串即可，保持与现有插件调用风格一致。
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await dashboard_server.client.send_text_message(group_id, text, "")
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timeout_seconds = int(cfg.get("send_timeout_seconds", 20))
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for group_id in target_groups:
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try:
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fut = asyncio.run_coroutine_threadsafe(_send_once(group_id), loop)
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fut.result(timeout=max(timeout_seconds, 5))
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sent_groups.append(group_id)
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except Exception as e:
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failed_groups[group_id] = str(e)
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logger.info(
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f"[TrendRadarWebhook] 接收推送: title={title}, targets={target_groups}, "
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f"sent={len(sent_groups)}, failed={len(failed_groups)}"
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)
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return jsonify(
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{
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"success": len(failed_groups) == 0,
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"title": title,
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"sent_groups": sent_groups,
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"failed_groups": failed_groups,
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}
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)
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except Exception as e:
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logger.error(f"[TrendRadarWebhook] 处理失败: {e}")
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return jsonify({"success": False, "message": str(e)}), 500
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