mirror of
https://github.com/jxxghp/MoviePilot.git
synced 2026-03-20 03:57:30 +08:00
715 lines
24 KiB
Python
715 lines
24 KiB
Python
import threading
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import time
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from pathlib import Path
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from typing import List, Optional, Union
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import smbclient
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from smbclient import ClientConfig, register_session, reset_connection_cache
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from smbprotocol.exceptions import (
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SMBException,
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SMBResponseException,
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SMBAuthenticationError,
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)
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from app import schemas
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from app.core.config import settings, global_vars
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from app.log import logger
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from app.modules.filemanager import StorageBase
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from app.modules.filemanager.storages import transfer_process
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from app.schemas.types import StorageSchema
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from app.utils.singleton import WeakSingleton
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lock = threading.Lock()
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class SMBConnectionError(Exception):
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"""
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SMB 连接错误
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"""
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pass
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class SMB(StorageBase, metaclass=WeakSingleton):
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"""
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SMB网络挂载存储相关操作 - 使用 smbclient 高级接口
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"""
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# 存储类型
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schema = StorageSchema.SMB
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# 支持的整理方式
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transtype = {
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"move": "移动",
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"copy": "复制",
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"link": "硬链接",
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}
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# 文件块大小，默认10MB
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chunk_size = 10 * 1024 * 1024
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def __init__(self):
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super().__init__()
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self._connected = False
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self._server_path = None
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self._host = None
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self._username = None
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self._password = None
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self._init_connection()
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def _init_connection(self):
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"""
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初始化SMB连接配置
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"""
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try:
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conf = self.get_conf()
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if not conf:
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return
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self._host = conf.get("host")
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self._username = conf.get("username")
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self._password = conf.get("password")
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domain = conf.get("domain", "")
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share = conf.get("share", "")
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port = conf.get("port", 445)
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if not all([self._host, share]):
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logger.error("【SMB】缺少必要的连接参数：host 和 share")
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return
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# 构建服务器路径
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self._server_path = f"\\\\{self._host}\\{share}"
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# 配置全局客户端设置
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ClientConfig(
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username=self._username,
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password=self._password,
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domain=domain if domain else None,
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connection_timeout=60,
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port=port,
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auth_protocol="negotiate", # 使用协商认证
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require_secure_negotiate=False, # 匿名访问时可能需要关闭安全协商
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)
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# 注册会话以启用连接池
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register_session(
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self._host,
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username=self._username,
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password=self._password,
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port=port,
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encrypt=False, # 根据需要启用加密
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connection_timeout=60,
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)
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# 测试连接
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self._test_connection()
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self._connected = True
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# 判断是否为匿名访问
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if self._is_anonymous_access():
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logger.info(f"【SMB】匿名连接成功：{self._server_path}")
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else:
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logger.info(
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f"【SMB】认证连接成功：{self._server_path} (用户：{self._username})"
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)
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except Exception as e:
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logger.error(f"【SMB】连接初始化失败：{e}")
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self._connected = False
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def _test_connection(self):
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"""
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测试SMB连接
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"""
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try:
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# 尝试列出根目录来测试连接
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smbclient.listdir(self._server_path)
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except SMBAuthenticationError as e:
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raise SMBConnectionError(f"SMB认证失败：{e}")
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except SMBResponseException as e:
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raise SMBConnectionError(f"SMB响应错误：{e}")
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except SMBException as e:
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raise SMBConnectionError(f"SMB连接错误：{e}")
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except Exception as e:
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raise SMBConnectionError(f"连接测试失败：{e}")
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def _is_anonymous_access(self) -> bool:
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"""
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检查是否为匿名访问
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"""
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return not self._username and not self._password
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def _check_connection(self):
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"""
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检查SMB连接状态
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"""
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if not self._connected or not self._server_path:
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raise SMBConnectionError("【SMB】连接未建立或已断开，请检查配置！")
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def _normalize_path(self, path: Union[str, Path]) -> str:
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"""
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标准化路径格式为SMB路径
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"""
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path_str = str(path)
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# 处理根路径
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if path_str in ["/", "\\"]:
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return self._server_path
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# 去除前导斜杠
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if path_str.startswith("/"):
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path_str = path_str[1:]
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# 构建完整的SMB路径
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if path_str:
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return f"{self._server_path}\\{path_str.replace('/', '\\')}"
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else:
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return self._server_path
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def _create_fileitem(
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self, stat_result, file_path: str, name: str
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) -> schemas.FileItem:
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"""
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创建文件项
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"""
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try:
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# 检查是否为目录
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is_directory = smbclient.path.isdir(file_path)
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# 处理路径
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relative_path = file_path.replace(self._server_path, "").replace("\\", "/")
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if not relative_path.startswith("/"):
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relative_path = "/" + relative_path
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if is_directory and not relative_path.endswith("/"):
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relative_path += "/"
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# 获取时间戳
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try:
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modify_time = int(stat_result.st_mtime)
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except (AttributeError, TypeError):
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modify_time = int(time.time())
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if is_directory:
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return schemas.FileItem(
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storage=self.schema.value,
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type="dir",
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path=relative_path,
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name=name,
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basename=name,
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modify_time=modify_time,
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)
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else:
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return schemas.FileItem(
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storage=self.schema.value,
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type="file",
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path=relative_path,
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name=name,
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basename=Path(name).stem,
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extension=Path(name).suffix[1:] if Path(name).suffix else None,
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size=getattr(stat_result, "st_size", 0),
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modify_time=modify_time,
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)
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except Exception as e:
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logger.error(f"【SMB】创建文件项失败：{e}")
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# 返回基本的文件项信息
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return schemas.FileItem(
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storage=self.schema.value,
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type="file",
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path=file_path.replace(self._server_path, "").replace("\\", "/"),
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name=name,
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basename=Path(name).stem,
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modify_time=int(time.time()),
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)
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def init_storage(self):
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"""
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初始化存储
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"""
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# 重置连接缓存
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reset_connection_cache()
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self._init_connection()
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def check(self) -> bool:
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"""
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检查存储是否可用
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"""
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if not self._connected:
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return False
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try:
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self._test_connection()
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return True
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except Exception as e:
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logger.debug(f"【SMB】连接检查失败：{e}")
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self._connected = False
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return False
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def list(self, fileitem: schemas.FileItem) -> List[schemas.FileItem]:
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"""
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浏览文件
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"""
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try:
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self._check_connection()
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if fileitem.type == "file":
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item = self.detail(fileitem)
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if item:
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return [item]
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return []
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# 构建SMB路径
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smb_path = self._normalize_path(fileitem.path.rstrip("/"))
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# 列出目录内容
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try:
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entries = smbclient.listdir(smb_path)
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except SMBResponseException as e:
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logger.error(f"【SMB】列出目录失败: {smb_path} - {e}")
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return []
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except SMBException as e:
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logger.error(f"【SMB】列出目录失败: {smb_path} - {e}")
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return []
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items = []
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for entry in entries:
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if entry in [".", ".."]:
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continue
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entry_path = f"{smb_path}\\{entry}"
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try:
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stat_result = smbclient.stat(entry_path)
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item = self._create_fileitem(stat_result, entry_path, entry)
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items.append(item)
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except Exception as e:
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logger.debug(f"【SMB】获取文件信息失败: {entry_path} - {e}")
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continue
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return items
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except Exception as e:
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logger.error(f"【SMB】列出文件失败: {e}")
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return []
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def create_folder(
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self, fileitem: schemas.FileItem, name: str
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) -> Optional[schemas.FileItem]:
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"""
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创建目录
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"""
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try:
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self._check_connection()
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parent_path = self._normalize_path(fileitem.path.rstrip("/"))
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new_path = f"{parent_path}\\{name}"
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# 创建目录
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smbclient.mkdir(new_path)
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# 返回创建的目录信息
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return schemas.FileItem(
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storage=self.schema.value,
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type="dir",
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path=f"{fileitem.path.rstrip('/')}/{name}/",
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name=name,
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basename=name,
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modify_time=int(time.time()),
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)
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except Exception as e:
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logger.error(f"【SMB】创建目录失败: {e}")
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return None
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def get_folder(self, path: Path) -> Optional[schemas.FileItem]:
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"""
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获取目录，如目录不存在则创建
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"""
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# 检查目录是否存在
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folder = self.get_item(path)
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if folder:
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return folder
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# 逐级创建目录
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parts = path.parts
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current_path = Path("/")
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for part in parts[1:]: # 跳过根目录
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current_path = current_path / part
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folder = self.get_item(current_path)
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if not folder:
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parent_folder = self.get_item(current_path.parent)
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if not parent_folder:
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logger.error(f"【SMB】父目录不存在: {current_path.parent}")
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return None
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folder = self.create_folder(parent_folder, part)
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if not folder:
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return None
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return folder
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def get_item(self, path: Path) -> Optional[schemas.FileItem]:
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"""
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获取文件或目录，不存在返回None
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"""
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try:
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self._check_connection()
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# 处理根目录
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if str(path) == "/":
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return schemas.FileItem(
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storage=self.schema.value,
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type="dir",
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path="/",
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name="",
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basename="",
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modify_time=int(time.time()),
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)
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smb_path = self._normalize_path(str(path).rstrip("/"))
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# 检查路径是否存在
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if not smbclient.path.exists(smb_path):
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return None
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stat_result = smbclient.stat(smb_path)
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file_name = Path(path).name
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return self._create_fileitem(stat_result, smb_path, file_name)
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except Exception as e:
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logger.debug(f"【SMB】获取文件项失败: {e}")
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return None
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def detail(self, fileitem: schemas.FileItem) -> Optional[schemas.FileItem]:
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"""
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获取文件详情
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"""
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return self.get_item(Path(fileitem.path))
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def delete(self, fileitem: schemas.FileItem) -> bool:
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"""
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删除文件或目录
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"""
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try:
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self._check_connection()
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smb_path = self._normalize_path(fileitem.path.rstrip("/"))
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logger.info(f"【SMB】开始删除: {fileitem.path} (类型: {fileitem.type})")
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# 先检查路径是否存在
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if not smbclient.path.exists(smb_path):
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logger.warn(f"【SMB】路径不存在，跳过删除: {fileitem.path}")
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return True
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if fileitem.type == "dir":
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# 递归删除目录及其内容
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logger.debug(f"【SMB】递归删除目录: {smb_path}")
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self._recursive_delete(smb_path)
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else:
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# 删除文件
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logger.debug(f"【SMB】删除文件: {smb_path}")
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smbclient.remove(smb_path)
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logger.info(f"【SMB】删除成功: {fileitem.path}")
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return True
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except SMBConnectionError as e:
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logger.error(f"【SMB】删除失败 - 连接错误: {fileitem.path} - {e}")
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return False
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except SMBResponseException as e:
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logger.error(f"【SMB】删除失败 - SMB响应错误: {fileitem.path} - {e}")
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return False
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except SMBException as e:
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logger.error(f"【SMB】删除失败 - SMB错误: {fileitem.path} - {e}")
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return False
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except Exception as e:
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logger.error(f"【SMB】删除失败 - 未知错误: {fileitem.path} - {e}")
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return False
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def _recursive_delete(self, smb_path: str):
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"""
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递归删除目录及其所有内容
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"""
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try:
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# 检查路径是否存在
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if not smbclient.path.exists(smb_path):
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logger.debug(f"【SMB】路径不存在，跳过删除: {smb_path}")
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return
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# 如果是文件，直接删除
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if smbclient.path.isfile(smb_path):
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logger.debug(f"【SMB】删除文件: {smb_path}")
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smbclient.remove(smb_path)
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return
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# 如果是目录，先删除其内容
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if smbclient.path.isdir(smb_path):
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logger.debug(f"【SMB】开始删除目录内容: {smb_path}")
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try:
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# 列出目录内容
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entries = smbclient.listdir(smb_path)
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logger.debug(f"【SMB】目录 {smb_path} 包含 {len(entries)} 个项目")
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for entry in entries:
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if entry in [".", ".."]:
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continue
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entry_path = f"{smb_path}\\{entry}"
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logger.debug(f"【SMB】递归删除子项: {entry_path}")
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# 递归删除子项
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self._recursive_delete(entry_path)
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# 删除空目录
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logger.debug(f"【SMB】删除空目录: {smb_path}")
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smbclient.rmdir(smb_path)
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logger.debug(f"【SMB】目录删除成功: {smb_path}")
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except SMBResponseException as e:
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# 如果目录不为空，尝试强制删除
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logger.warn(f"【SMB】目录不为空，尝试强制删除: {smb_path} - {e}")
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# 使用remove方法尝试删除（某些SMB服务器支持）
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try:
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smbclient.remove(smb_path)
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logger.info(f"【SMB】强制删除目录成功: {smb_path}")
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except Exception as remove_error:
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# 如果还是失败，记录错误并抛出异常
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logger.error(
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f"【SMB】无法删除非空目录: {smb_path} - {remove_error}"
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)
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raise SMBConnectionError(
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f"无法删除非空目录 {smb_path}: {remove_error}"
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)
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except SMBException as e:
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logger.error(f"【SMB】SMB操作失败: {smb_path} - {e}")
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raise SMBConnectionError(f"SMB操作失败 {smb_path}: {e}")
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except SMBConnectionError:
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# 重新抛出SMB连接错误
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raise
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except Exception as e:
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logger.error(f"【SMB】递归删除失败: {smb_path} - {e}")
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raise SMBConnectionError(f"递归删除失败 {smb_path}: {e}")
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def rename(self, fileitem: schemas.FileItem, name: str) -> bool:
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"""
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重命名文件
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"""
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try:
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self._check_connection()
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old_path = self._normalize_path(fileitem.path.rstrip("/"))
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parent_path = Path(fileitem.path).parent
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new_path = self._normalize_path(str(parent_path / name))
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# 重命名
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smbclient.rename(old_path, new_path)
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|
||
logger.info(f"【SMB】重命名成功: {fileitem.path} -> {name}")
|
||
return True
|
||
except Exception as e:
|
||
logger.error(f"【SMB】重命名失败: {e}")
|
||
return False
|
||
|
||
def download(self, fileitem: schemas.FileItem, path: Path = None) -> Optional[Path]:
|
||
"""
|
||
带实时进度显示的下载
|
||
"""
|
||
local_path = (path or settings.TEMP_PATH) / fileitem.name
|
||
smb_path = self._normalize_path(fileitem.path)
|
||
try:
|
||
self._check_connection()
|
||
|
||
# 确保本地目录存在
|
||
local_path.parent.mkdir(parents=True, exist_ok=True)
|
||
|
||
# 获取文件大小
|
||
file_size = fileitem.size
|
||
|
||
# 初始化进度条
|
||
logger.info(f"【SMB】开始下载: {fileitem.name} -> {local_path}")
|
||
progress_callback = transfer_process(Path(fileitem.path).as_posix())
|
||
|
||
# 使用更高效的文件传输方式
|
||
with smbclient.open_file(smb_path, mode="rb") as src_file:
|
||
with open(local_path, "wb") as dst_file:
|
||
downloaded_size = 0
|
||
while True:
|
||
if global_vars.is_transfer_stopped(fileitem.path):
|
||
logger.info(f"【SMB】{fileitem.path} 下载已取消！")
|
||
return None
|
||
chunk = src_file.read(self.chunk_size)
|
||
if not chunk:
|
||
break
|
||
dst_file.write(chunk)
|
||
downloaded_size += len(chunk)
|
||
# 更新进度
|
||
if file_size:
|
||
progress = (downloaded_size * 100) / file_size
|
||
progress_callback(progress)
|
||
|
||
# 完成下载
|
||
progress_callback(100)
|
||
logger.info(f"【SMB】下载完成: {fileitem.name}")
|
||
return local_path
|
||
|
||
except Exception as e:
|
||
logger.error(f"【SMB】下载失败: {fileitem.name} - {e}")
|
||
# 删除可能部分下载的文件
|
||
if local_path.exists():
|
||
local_path.unlink()
|
||
return None
|
||
|
||
def upload(
|
||
self, fileitem: schemas.FileItem, path: Path, new_name: Optional[str] = None
|
||
) -> Optional[schemas.FileItem]:
|
||
"""
|
||
带实时进度显示的上传
|
||
"""
|
||
target_name = new_name or path.name
|
||
target_path = Path(fileitem.path) / target_name
|
||
smb_path = self._normalize_path(str(target_path))
|
||
|
||
try:
|
||
self._check_connection()
|
||
|
||
# 获取文件大小
|
||
file_size = path.stat().st_size
|
||
|
||
# 初始化进度条
|
||
logger.info(f"【SMB】开始上传: {path} -> {target_path}")
|
||
progress_callback = transfer_process(path.as_posix())
|
||
|
||
# 使用更高效的文件传输方式
|
||
with open(path, "rb") as src_file:
|
||
with smbclient.open_file(smb_path, mode="wb") as dst_file:
|
||
uploaded_size = 0
|
||
while True:
|
||
if global_vars.is_transfer_stopped(path.as_posix()):
|
||
logger.info(f"【SMB】{path} 上传已取消！")
|
||
return None
|
||
chunk = src_file.read(self.chunk_size)
|
||
if not chunk:
|
||
break
|
||
dst_file.write(chunk)
|
||
uploaded_size += len(chunk)
|
||
# 更新进度
|
||
if file_size:
|
||
progress = (uploaded_size * 100) / file_size
|
||
progress_callback(progress)
|
||
|
||
# 完成上传
|
||
progress_callback(100)
|
||
logger.info(f"【SMB】上传完成: {target_name}")
|
||
|
||
# 返回上传后的文件信息
|
||
return self.get_item(target_path)
|
||
|
||
except Exception as e:
|
||
logger.error(f"【SMB】上传失败: {target_name} - {e}")
|
||
return None
|
||
|
||
def copy(self, fileitem: schemas.FileItem, path: Path, new_name: str) -> bool:
|
||
"""
|
||
复制文件
|
||
"""
|
||
try:
|
||
# 下载到临时文件
|
||
temp_file = self.download(fileitem)
|
||
if not temp_file:
|
||
return False
|
||
|
||
# 获取目标目录
|
||
target_folder = self.get_item(path)
|
||
if not target_folder:
|
||
return False
|
||
|
||
# 上传到目标位置
|
||
result = self.upload(target_folder, temp_file, new_name)
|
||
|
||
# 删除临时文件
|
||
if temp_file.exists():
|
||
temp_file.unlink()
|
||
|
||
return result is not None
|
||
except Exception as e:
|
||
logger.error(f"【SMB】复制失败: {e}")
|
||
return False
|
||
|
||
def move(self, fileitem: schemas.FileItem, path: Path, new_name: str) -> bool:
|
||
"""
|
||
移动文件
|
||
"""
|
||
try:
|
||
# 先复制
|
||
if not self.copy(fileitem, path, new_name):
|
||
return False
|
||
|
||
# 再删除原文件
|
||
if not self.delete(fileitem):
|
||
logger.warn(f"【SMB】删除原文件失败: {fileitem.path}")
|
||
return False
|
||
|
||
return True
|
||
except Exception as e:
|
||
logger.error(f"【SMB】移动失败: {e}")
|
||
return False
|
||
|
||
def link(self, fileitem: schemas.FileItem, target_file: Path) -> bool:
|
||
"""
|
||
硬链接文件
|
||
Samba服务器需要开启 unix extensions 支持
|
||
"""
|
||
try:
|
||
self._check_connection()
|
||
src_path = self._normalize_path(fileitem.path)
|
||
dst_path = self._normalize_path(target_file)
|
||
|
||
# 检查源文件是否存在
|
||
if not smbclient.path.exists(src_path):
|
||
raise FileNotFoundError(f"源文件不存在: {src_path}")
|
||
|
||
# 确保目标路径的父目录存在
|
||
dst_parent = "\\".join(dst_path.rsplit("\\", 1)[:-1])
|
||
if dst_parent and not smbclient.path.exists(dst_parent):
|
||
logger.info(f"【SMB】创建目标目录: {dst_parent}")
|
||
smbclient.makedirs(dst_parent, exist_ok=True)
|
||
|
||
# 尝试创建硬链接
|
||
smbclient.link(src_path, dst_path)
|
||
logger.info(f"【SMB】硬链接创建成功: {src_path} -> {dst_path}")
|
||
return True
|
||
|
||
except SMBResponseException as e:
|
||
# SMB协议错误，可能不支持硬链接
|
||
logger.error(f"【SMB】创建硬链接失败(当前Samba服务器可能不支持硬链接): {e}")
|
||
return False
|
||
except Exception as e:
|
||
logger.error(f"【SMB】创建硬链接失败: {e}")
|
||
return False
|
||
|
||
def softlink(self, fileitem: schemas.FileItem, target_file: Path) -> bool:
|
||
pass
|
||
|
||
def usage(self) -> Optional[schemas.StorageUsage]:
|
||
"""
|
||
存储使用情况
|
||
"""
|
||
try:
|
||
self._check_connection()
|
||
volume_stat = smbclient.stat_volume(self._server_path)
|
||
return schemas.StorageUsage(
|
||
total=volume_stat.total_size,
|
||
available=volume_stat.caller_available_size,
|
||
)
|
||
|
||
except Exception as e:
|
||
logger.error(f"【SMB】获取存储使用情况失败: {e}")
|
||
return None
|
||
|
||
def __del__(self):
|
||
"""
|
||
析构函数，清理连接
|
||
"""
|
||
try:
|
||
if self._connected:
|
||
reset_connection_cache()
|
||
except Exception as e:
|
||
logger.debug(f"【SMB】清理连接失败: {e}")
|