Kris
939f1ba82a
本次提交对Microsoft Teams适配器代码进行了多维度优化与新增： 1. 调整多处导入顺序，优化代码可读性 2. 新增media_tools工具模块，提供媒体相关辅助函数 3. 新增thread_history模块，实现对话历史拉取与缓存功能 4. 新增connection_modes模块，支持webhook/websocket/polling三种连接模式 5. 扩展security.py与tool_policy.py，新增通配符配置校验与三级策略解析 6. 新增feedback会话记录功能 7. 为sent_message_cache添加自动清理任务 8. 优化normalizer模块，新增引用、编辑消息解析与线程上下文注入 9. 重构file_upload的SSRF防护逻辑，复用公共校验工具 10. 修复多处导入顺序与代码排版问题 11. 为消息发送添加断路器保护与异步去重锁
68 lines
1.9 KiB
Python
68 lines
1.9 KiB
Python
"""Microsoft Teams 媒体辅助工具。
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提供 MIME 类型识别、文件名提取、消息 ID 提取等辅助函数。
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"""
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from __future__ import annotations
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import mimetypes
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import os
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from typing import Any
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def get_mime_type(filename: str) -> str:
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mime_type, _ = mimetypes.guess_type(filename)
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return mime_type or "application/octet-stream"
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def extract_filename(activity: dict[str, Any]) -> str:
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attachments = activity.get("attachments", []) or []
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for att in attachments:
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name = att.get("name", "").strip()
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if name:
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return os.path.basename(name)
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content = att.get("content", {}) or {}
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content_name = content.get("name", "").strip()
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if content_name:
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return os.path.basename(content_name)
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return ""
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def extract_message_id(activity: dict[str, Any]) -> str:
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msg_id = activity.get("id", "")
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if msg_id:
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return msg_id
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channel_data = activity.get("channelData", {}) or {}
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channel_msg_id = channel_data.get("id", "")
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if channel_msg_id:
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return channel_msg_id
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return ""
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def extract_attachment_urls(activity: dict[str, Any]) -> list[dict[str, str]]:
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urls: list[dict[str, str]] = []
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attachments = activity.get("attachments", []) or []
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for att in attachments:
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content_type = att.get("contentType", "")
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content_url = att.get("contentUrl", "")
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name = att.get("name", "")
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if content_url:
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urls.append(
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{
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"url": content_url,
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"name": name or os.path.basename(content_url),
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"content_type": content_type,
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}
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)
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return urls
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def get_edited_timestamp(activity: dict[str, Any]) -> str | None:
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channel_data = activity.get("channelData", {}) or {}
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edit_time = channel_data.get("editedTimestamp", "")
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if edit_time:
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return edit_time
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return activity.get("editedTimestamp")
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