mirror of
https://github.com/jxxghp/MoviePilot.git
synced 2026-11-09 15:19:54 +08:00
443 lines
19 KiB
Python
443 lines
19 KiB
Python
import json
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import re
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import xml.dom.minidom
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from typing import Any, Dict, List, Optional, Tuple, Union
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from urllib.parse import quote
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from app.adapters.external.wechat import WXBizMsgCrypt
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from app.application.messaging.channel.admin import (
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matches_channel_admin,
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register_channel_admin_resolver,
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resolve_config_principal_ids,
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)
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from app.domain.context import Context, MediaInfo
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from app.foundation.dom import DomUtils
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from app.modules._base.notification import _MessageChannelModuleBase
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from app.modules.wechat.wechat import WeChat
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from app.modules.wechat.wechatbot import WeChatBot
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from app.runtime.log import logger
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from app.schemas.message import IncomingMessage, Message
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from app.schemas.notification import NotificationChannel
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from app.schemas.types import ModuleType
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def _resolve_wechat_admin_ids(config: Optional[dict]) -> set[str]:
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"""解析企业微信管理员及机器人模式下的主用户 ID。"""
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config_keys = ["WECHAT_ADMINS"]
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if (config or {}).get("WECHAT_MODE", "app") == "bot":
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config_keys.append("WECHAT_BOT_CHAT_ID")
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return resolve_config_principal_ids(config, *config_keys)
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register_channel_admin_resolver(NotificationChannel.Wechat, _resolve_wechat_admin_ids)
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class WechatModule(_MessageChannelModuleBase[WeChat]):
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# 管理员配置键，与渠道 resolver 保持一致
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"""按企业微信实例模式处理应用和智能机器人消息。"""
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_admin_config_key = "WECHAT_ADMINS"
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_notification_user_target_keys = ("wechat_userid",)
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_notification_admin_default_config_keys = ("WECHAT_BOT_CHAT_ID",)
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# 命令注册事件源标识固定为 WeChat（get_name 为“企业微信”）
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_command_origin = "WeChat"
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def init_module(self) -> None:
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"""
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初始化模块
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"""
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super().init_service(service_name=WeChat.__name__.lower(),
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service_type=self._create_client)
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self._channel = NotificationChannel.Wechat
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@staticmethod
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def get_name() -> str:
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"""返回渠道的显示名称。"""
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return "企业微信"
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@staticmethod
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def get_type() -> ModuleType:
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"""
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获取模块类型
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"""
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return ModuleType.Notification
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@staticmethod
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def get_subtype() -> NotificationChannel:
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"""
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获取模块的子类型
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"""
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return NotificationChannel.Wechat
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@staticmethod
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def get_priority() -> int:
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"""
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获取模块优先级，数字越小优先级越高，只有同一接口下优先级才生效
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"""
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return 1
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def stop(self) -> bool:
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"""停止全部微信实例，并返回长连接资源是否全部收敛。"""
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return self._stop_service_instances()
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@staticmethod
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def _is_bot_mode(config: dict) -> bool:
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"""区分 Markdown 智能机器人与原有企业微信应用消息协议。"""
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return (config or {}).get("WECHAT_MODE", "app") == "bot"
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@classmethod
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def _create_client(cls, conf):
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"""按实例模式创建企业微信应用或智能机器人客户端。"""
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if cls._is_bot_mode(conf.config):
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return WeChatBot(name=conf.name, **conf.config)
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return WeChat(name=conf.name, **conf.config)
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def init_setting(self) -> Tuple[str, Union[str, bool]]:
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"""保留设置初始化钩子，实例配置由通知服务管理。"""
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pass
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def message_parser(self, source: str, body: Any, form: Any,
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args: Any) -> Optional[IncomingMessage]:
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"""
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解析消息内容，返回字典，注意以下约定值：
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userid: 用户ID
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username: 用户名
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text: 内容
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:param source: 消息来源
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:param body: 请求体
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:param form: 表单
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:param args: 参数
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:return: 渠道、消息体
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"""
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try:
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# 获取服务配置
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client_config = self.get_config(source)
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if not client_config:
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return None
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if self._is_bot_mode(client_config.config):
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return self._parse_bot_message(source=source, body=body, client_config=client_config)
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client: WeChat = self.get_instance(client_config.name)
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# URL参数
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sVerifyMsgSig = args.get("msg_signature")
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sVerifyTimeStamp = args.get("timestamp")
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sVerifyNonce = args.get("nonce")
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if not sVerifyMsgSig or not sVerifyTimeStamp or not sVerifyNonce:
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logger.debug(f"微信请求参数错误：{args}")
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return None
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# 解密模块
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wxcpt = WXBizMsgCrypt(sToken=client_config.config.get('WECHAT_TOKEN'),
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sEncodingAESKey=client_config.config.get('WECHAT_ENCODING_AESKEY'),
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sReceiveId=client_config.config.get('WECHAT_CORPID'))
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# 报文数据
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if not body:
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logger.debug("微信请求数据为空")
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return None
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logger.debug(f"收到微信请求：{body}")
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ret, sMsg = wxcpt.DecryptMsg(sPostData=body,
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sMsgSignature=sVerifyMsgSig,
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sTimeStamp=sVerifyTimeStamp,
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sNonce=sVerifyNonce)
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if ret != 0:
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logger.error(f"解密微信消息失败 DecryptMsg ret = {ret}")
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return None
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# 解析XML报文
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"""
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1、消息格式：
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<xml>
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<ToUserName><![CDATA[toUser]]></ToUserName>
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<FromUserName><![CDATA[fromUser]]></FromUserName>
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<CreateTime>1348831860</CreateTime>
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<MsgType><![CDATA[text]]></MsgType>
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<Content><![CDATA[this is a test]]></Content>
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<MsgId>1234567890123456</MsgId>
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<AgentID>1</AgentID>
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</xml>
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2、事件格式：
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<xml>
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<ToUserName><![CDATA[toUser]]></ToUserName>
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<FromUserName><![CDATA[UserID]]></FromUserName>
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<CreateTime>1348831860</CreateTime>
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<MsgType><![CDATA[event]]></MsgType>
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<Event><![CDATA[subscribe]]></Event>
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<AgentID>1</AgentID>
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</xml>
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"""
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dom_tree = xml.dom.minidom.parseString(sMsg.decode('UTF-8'))
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root_node = dom_tree.documentElement
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# 消息类型
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msg_type = DomUtils.tag_value(root_node, "MsgType")
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# Event event事件只有click才有效,enter_agent无效
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event = DomUtils.tag_value(root_node, "Event")
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# 用户ID
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user_id = DomUtils.tag_value(root_node, "FromUserName")
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# 没的消息类型和用户ID的消息不要
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if not msg_type or not user_id:
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logger.warn("解析不到消息类型和用户ID")
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return None
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# 解析消息内容
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content = None
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images = None
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audio_refs = None
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files = None
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if msg_type == "event" and event == "click":
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# 企业微信菜单最终会转成命令文本，需与斜杠命令使用一致的管理员校验。
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if self._should_reject_admin_command(client_config.config, user_id):
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client.send_msg(title="只有管理员才有权限执行此命令", userid=user_id)
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return None
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# 根据EventKey执行命令
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content = DomUtils.tag_value(root_node, "EventKey")
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logger.info(f"收到来自 {client_config.name} 的微信事件：userid={user_id}, event={content}")
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elif msg_type == "text":
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# 文本消息
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content = DomUtils.tag_value(root_node, "Content", default="")
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logger.info(f"收到来自 {client_config.name} 的微信消息：userid={user_id}, text={content}")
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elif msg_type == "image":
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media_id = DomUtils.tag_value(root_node, "MediaId")
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pic_url = DomUtils.tag_value(root_node, "PicUrl")
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if media_id:
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images = [IncomingMessage.MessageImage(ref=f"wxwork://media_id/{media_id}")]
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elif pic_url:
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images = [IncomingMessage.MessageImage(ref=pic_url)]
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logger.info(
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f"收到来自 {client_config.name} 的微信图片消息：userid={user_id}, images={len(images) if images else 0}"
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)
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elif msg_type == "voice":
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media_id = DomUtils.tag_value(root_node, "MediaId")
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recognition = DomUtils.tag_value(root_node, "Recognition", default="")
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content = (recognition or "").strip()
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if media_id:
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audio_refs = [f"wxwork://voice_media_id/{media_id}"]
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logger.info(
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f"收到来自 {client_config.name} 的微信语音消息：userid={user_id}, "
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f"text={content}, audios={len(audio_refs) if audio_refs else 0}"
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)
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elif msg_type == "file":
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media_id = DomUtils.tag_value(root_node, "MediaId")
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file_name = DomUtils.tag_value(root_node, "FileName")
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if media_id:
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files = [
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IncomingMessage.MessageAttachment(
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ref=f"wxwork://file_media_id/{media_id}",
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name=file_name,
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)
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]
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logger.info(
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f"收到来自 {client_config.name} 的微信文件消息：userid={user_id}, files={len(files) if files else 0}"
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)
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else:
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return None
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if content and content.startswith("/") and self._should_reject_admin_command(
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client_config.config, user_id
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):
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client.send_msg(title="只有管理员才有权限执行此命令", userid=user_id)
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return None
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if content or images or audio_refs or files:
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# 处理消息内容
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return IncomingMessage(channel=NotificationChannel.Wechat, source=client_config.name,
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userid=user_id, username=user_id,
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is_channel_admin=matches_channel_admin(
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NotificationChannel.Wechat,
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client_config.config,
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user_id,
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), text=content or "",
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images=images, audio_refs=audio_refs, files=files)
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except Exception as err:
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logger.error(f"微信消息处理发生错误：{str(err)}")
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return None
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def _parse_bot_message(self, source: str, body: Any, client_config) -> Optional[IncomingMessage]:
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"""解析智能机器人私聊消息，并携带用户授权和附件信息。"""
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try:
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if isinstance(body, bytes):
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msg_json = json.loads(body)
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elif isinstance(body, dict):
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msg_json = body
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else:
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msg_json = json.loads(body)
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while isinstance(msg_json, str):
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msg_json = json.loads(msg_json)
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except Exception as err:
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logger.debug(f"解析企业微信智能机器人消息失败：{err}")
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return None
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if not isinstance(msg_json, dict):
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return None
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payload_body = msg_json.get("body") or {}
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sender = ((payload_body.get("from") or {}).get("userid") or "").strip()
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if not sender:
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return None
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if payload_body.get("chattype") == "group":
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return None
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text = WeChatBot._extract_text_from_body(payload_body)
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images = WeChatBot._extract_images_from_body(payload_body)
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audio_refs = ["wxbot://voice"] if payload_body.get("msgtype") == "voice" else None
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files = None
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if payload_body.get("msgtype") == "file":
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file_payload = payload_body.get("file") or {}
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download_url = file_payload.get("download_url")
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if download_url:
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files = [
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IncomingMessage.MessageAttachment(
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ref=f"wxbot://file/{quote(download_url, safe='')}",
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name=file_payload.get("name") or file_payload.get("filename"),
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mime_type=file_payload.get("content_type")
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or file_payload.get("mime_type"),
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size=file_payload.get("size"),
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)
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]
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if text:
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text = re.sub(r"@\S+", "", text).strip()
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if text and text.startswith("/") and self._should_reject_admin_command(
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client_config.config, sender
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):
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client: WeChatBot = self.get_instance(client_config.name)
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if client:
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client.send_msg(title="只有管理员才有权限执行此命令", userid=sender)
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return None
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if not text and not images and not audio_refs and not files:
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return None
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logger.info(
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f"收到来自 {client_config.name} 的企业微信智能机器人消息："
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f"userid={sender}, text={text}, images={len(images) if images else 0}"
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)
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return IncomingMessage(
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channel=NotificationChannel.Wechat,
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source=client_config.name,
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userid=sender,
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username=sender,
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is_channel_admin=matches_channel_admin(
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NotificationChannel.Wechat,
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client_config.config,
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sender,
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),
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text=text or "",
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images=images,
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audio_refs=audio_refs,
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files=files,
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)
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def post_message(self, message: Message, **kwargs) -> None:
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"""
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发送消息
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:param message: 消息内容
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:return: 成功或失败
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"""
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for conf in self.get_configs().values():
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if not self.check_message(message, conf.name):
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continue
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userid = self.get_notification_userid(message, "wechat_userid")
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client: WeChat = self.get_instance(conf.name)
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if client:
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text = message.channel_text(NotificationChannel.Wechat, conf.config) or message.text
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if message.voice_path and hasattr(client, "send_voice"):
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sent = client.send_voice(
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voice_path=message.voice_path,
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userid=userid,
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)
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if not sent:
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client.send_msg(title=message.title, text=text,
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image=message.image, userid=userid, link=message.link)
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else:
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client.send_msg(title=message.title, text=text,
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image=message.image, userid=userid, link=message.link)
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def download_wechat_image_to_data_url(self, image_ref: str, source: str) -> Optional[str]:
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"""
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下载企业微信渠道图片并转换为 data URL
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"""
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if not image_ref:
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return None
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client_config = self.get_config(source)
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if not client_config:
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return None
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client = self.get_instance(client_config.name)
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if not client:
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return None
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if image_ref.startswith("wxwork://media_id/") and hasattr(client, "download_media_to_data_url"):
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media_id = image_ref.replace("wxwork://media_id/", "", 1)
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return client.download_media_to_data_url(media_id)
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if image_ref.startswith("wxbot://image/") and hasattr(client, "download_image_to_data_url"):
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return client.download_image_to_data_url(image_ref)
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return None
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def download_wechat_media_bytes(self, media_ref: str, source: str) -> Optional[bytes]:
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"""
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下载企业微信语音媒体并返回原始字节。
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"""
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if not media_ref:
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return None
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client_config = self.get_config(source)
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if not client_config:
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return None
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client = self.get_instance(client_config.name)
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if not client or not hasattr(client, "download_media_bytes"):
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return None
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if media_ref.startswith("wxwork://voice_media_id/"):
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media_id = media_ref.replace("wxwork://voice_media_id/", "", 1)
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return client.download_media_bytes(media_id)
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if media_ref.startswith("wxwork://file_media_id/"):
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media_id = media_ref.replace("wxwork://file_media_id/", "", 1)
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return client.download_media_bytes(media_id)
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return None
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def post_medias_message(self, message: Message, medias: List[MediaInfo]) -> None:
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"""
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发送媒体信息选择列表
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:param message: 消息内容
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:param medias: 媒体列表
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:return: 成功或失败
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"""
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for conf in self.get_configs().values():
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if not self.check_message(message, conf.name):
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continue
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client: WeChat = self.get_instance(conf.name)
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if client:
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userid = self.get_notification_userid(message, "wechat_userid")
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# 先发送标题
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client.send_msg(title=message.title, userid=userid, link=message.link)
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# 再发送内容
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client.send_medias_msg(medias=medias, userid=userid)
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def post_torrents_message(self, message: Message, torrents: List[Context]) -> None:
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"""
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发送种子信息选择列表
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:param message: 消息内容
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:param torrents: 种子列表
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:return: 成功或失败
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"""
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for conf in self.get_configs().values():
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if not self.check_message(message, conf.name):
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continue
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client: WeChat = self.get_instance(conf.name)
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if client:
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userid = self.get_notification_userid(message, "wechat_userid")
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client.send_torrents_msg(title=message.title, torrents=torrents,
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userid=userid, link=message.link)
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def _commands_enabled(self, config: Optional[dict]) -> bool:
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"""
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菜单注册前置条件：智能机器人模式无传统菜单，缺少解密参数时无法调用菜单 API。
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"""
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if self._is_bot_mode(config):
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logger.debug("智能机器人模式，跳过传统菜单初始化")
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return False
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if not config.get("WECHAT_ENCODING_AESKEY") or not config.get("WECHAT_TOKEN"):
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logger.debug("缺少消息解密参数，跳过菜单初始化")
|
||
return False
|
||
return True
|
||
|
||
def _delete_commands(self, client) -> None:
|
||
"""企业微信使用自定义菜单 API 清理命令。"""
|
||
client.delete_menus()
|
||
|
||
def _apply_commands(self, client, commands: Dict[str, dict]) -> None:
|
||
"""企业微信使用自定义菜单 API 注册命令。"""
|
||
client.create_menus(commands)
|