import websockets as Server import json import base64 import uuid from .logger import logger from .message_queue import get_response import urllib3 import ssl from PIL import Image import io class SSLAdapter(urllib3.PoolManager): def __init__(self, *args, **kwargs): context = ssl.create_default_context() context.set_ciphers('DEFAULT@SECLEVEL=1') context.minimum_version = ssl.TLSVersion.TLSv1_2 kwargs['ssl_context'] = context super().__init__(*args, **kwargs) async def get_group_info(websocket: Server.ServerConnection, group_id: int) -> dict: """ 获取群相关信息 返回值需要处理可能为空的情况 """ request_uuid = str(uuid.uuid4()) payload = json.dumps({"action": "get_group_info", "params": {"group_id": group_id}, "echo": request_uuid}) await websocket.send(payload) try: socket_response: dict = await get_response(request_uuid) except TimeoutError: logger.error(f"获取群信息超时,群号: {group_id}") return None except Exception as e: logger.error(f"获取群信息失败: {e}") return None logger.debug(socket_response) return socket_response.get("data") async def get_member_info(websocket: Server.ServerConnection, group_id: int, user_id: int) -> dict: """ 获取群成员信息 返回值需要处理可能为空的情况 """ request_uuid = str(uuid.uuid4()) payload = json.dumps( { "action": "get_group_member_info", "params": {"group_id": group_id, "user_id": user_id, "no_cache": True}, "echo": request_uuid, } ) await websocket.send(payload) try: socket_response: dict = await get_response(request_uuid) except TimeoutError: logger.error(f"获取成员信息超时,群号: {group_id}, 用户ID: {user_id}") return None except Exception as e: logger.error(f"获取成员信息失败: {e}") return None logger.debug(socket_response) return socket_response.get("data") async def get_image_base64(url: str) -> str: """获取图片/表情包的Base64""" http = SSLAdapter() try: response = http.request('GET', url, timeout=10) if response.status != 200: raise Exception(f"HTTP Error: {response.status}") image_bytes = response.data return base64.b64encode(image_bytes).decode("utf-8") except Exception as e: logger.error(f"图片下载失败: {str(e)}") raise def convert_image_to_gif(image_base64: str) -> str: try: image_bytes = base64.b64decode(image_base64) image = Image.open(io.BytesIO(image_bytes)) output_buffer = io.BytesIO() image.save(output_buffer, format="GIF") output_buffer.seek(0) return base64.b64encode(output_buffer.read()).decode("utf-8") except Exception as e: logger.error(f"图片转换为GIF失败: {str(e)}") return image_base64 async def get_self_info(websocket: Server.ServerConnection) -> dict: """ 获取自身信息 Parameters: websocket: WebSocket连接对象 Returns: data: dict: 返回的自身信息 """ request_uuid = str(uuid.uuid4()) payload = json.dumps({"action": "get_login_info", "params": {}, "echo": request_uuid}) await websocket.send(payload) try: response: dict = await get_response(request_uuid) except TimeoutError: logger.error("获取自身信息超时") return None except Exception as e: logger.error(f"获取自身信息失败: {e}") return None logger.debug(response) return response.get("data") def get_image_format(raw_data: str) -> str: """ 从Base64编码的数据中确定图片的格式。 Parameters: raw_data: str: Base64编码的图片数据。 Returns: format: str: 图片的格式(例如 'jpeg', 'png', 'gif')。 """ image_bytes = base64.b64decode(raw_data) return Image.open(io.BytesIO(image_bytes)).format.lower() async def get_stranger_info(websocket: Server.ServerConnection, user_id: int) -> dict: """ 获取陌生人信息 Parameters: websocket: WebSocket连接对象 user_id: 用户ID Returns: dict: 返回的陌生人信息 """ request_uuid = str(uuid.uuid4()) payload = json.dumps({"action": "get_stranger_info", "params": {"user_id": user_id}, "echo": request_uuid}) await websocket.send(payload) try: response: dict = await get_response(request_uuid) except TimeoutError: logger.error(f"获取陌生人信息超时,用户ID: {user_id}") return None except Exception as e: logger.error(f"获取陌生人信息失败: {e}") return None logger.debug(response) return response.get("data") async def get_message_detail(websocket: Server.ServerConnection, message_id: str) -> dict: """ 获取消息详情,可能为空 Parameters: websocket: WebSocket连接对象 message_id: 消息ID Returns: dict: 返回的消息详情 """ request_uuid = str(uuid.uuid4()) payload = json.dumps({"action": "get_msg", "params": {"message_id": message_id}, "echo": request_uuid}) await websocket.send(payload) try: response: dict = await get_response(request_uuid) except TimeoutError: logger.error(f"获取消息详情超时,消息ID: {message_id}") return None except Exception as e: logger.error(f"获取消息详情失败: {e}") return None logger.debug(response) return response.get("data")