mirror of
https://github.com/jxxghp/MoviePilot.git
synced 2026-03-30 08:50:17 +08:00
775 lines
26 KiB
Python
775 lines
26 KiB
Python
import base64
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import hashlib
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import secrets
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import threading
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import time
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from pathlib import Path
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from typing import List, Dict, Optional, Tuple, Union
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import oss2
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import requests
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from app import schemas
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from app.core.config import settings
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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.schemas.types import StorageSchema
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from app.utils.singleton import Singleton
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from app.utils.string import StringUtils
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lock = threading.Lock()
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class U115Pan(StorageBase, metaclass=Singleton):
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"""
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115相关操作
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"""
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# 存储类型
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schema = StorageSchema.U115
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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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}
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# 验证参数
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_auth_state = {}
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# 上传进度值
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_last_progress = 0
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# 基础url
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base_url = "https://proapi.115.com"
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# CID和路径缓存
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_id_cache: Dict[str, int] = {}
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def __init__(self):
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super().__init__()
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self.session = requests.Session()
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self._init_session()
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def _init_session(self):
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"""
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初始化带速率限制的会话
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"""
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self.session.headers.update({
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"User-Agent": "W115Storage/2.0",
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"Accept-Encoding": "gzip, deflate",
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"Content-Type": "application/x-www-form-urlencoded"
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})
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def _check_session(self):
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"""
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检查会话是否过期
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"""
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if not self.access_token:
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raise Exception("【115】请先扫码登录！")
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@property
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def access_token(self) -> Optional[str]:
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"""
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访问token
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"""
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with lock:
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tokens = self.get_conf()
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refresh_token = tokens.get("refresh_token")
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if not refresh_token:
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return None
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expires_in = tokens.get("expires_in", 0)
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refresh_time = tokens.get("refresh_time", 0)
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if expires_in and refresh_time + expires_in < int(time.time()):
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tokens = self.__refresh_access_token(refresh_token)
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if tokens:
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self.set_config({
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"refresh_time": int(time.time()),
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**tokens
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})
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access_token = tokens.get("access_token")
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if access_token:
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self.session.headers.update({"Authorization": f"Bearer {access_token}"})
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return access_token
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def generate_qrcode(self) -> Tuple[dict, str]:
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"""
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实现PKCE规范的设备授权二维码生成
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"""
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# 生成PKCE参数
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code_verifier = secrets.token_urlsafe(96)[:128]
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code_challenge = base64.b64encode(
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hashlib.sha256(code_verifier.encode("utf-8")).digest()
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).decode("utf-8")
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# 请求设备码
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resp = self.session.post(
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"https://passportapi.115.com/open/authDeviceCode",
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data={
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"client_id": settings.U115_APP_ID,
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"code_challenge": code_challenge,
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"code_challenge_method": "sha256"
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}
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)
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if resp is None:
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return {}, "网络错误"
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result = resp.json()
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if result.get("code") != 0:
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return {}, result.get("message")
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# 持久化验证参数
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self._auth_state = {
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"code_verifier": code_verifier,
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"uid": result["data"]["uid"],
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"time": result["data"]["time"],
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"sign": result["data"]["sign"]
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}
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# 生成二维码内容
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return {
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"codeContent": result['data']['qrcode']
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}, ""
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def check_login(self) -> Optional[Tuple[dict, str]]:
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"""
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改进的带PKCE校验的登录状态检查
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"""
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if not self._auth_state:
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return {}, "生成二维码失败"
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try:
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resp = self.session.get(
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"https://qrcodeapi.115.com/get/status/",
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params={
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"uid": self._auth_state["uid"],
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"time": self._auth_state["time"],
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"sign": self._auth_state["sign"]
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}
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)
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if resp is None:
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return {}, "网络错误"
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result = resp.json()
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if result.get("code") != 0 or not result.get("data"):
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return {}, result.get("message")
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if result["data"]["status"] == 2:
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tokens = self.__get_access_token()
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self.set_config({
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"refresh_time": int(time.time()),
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**tokens
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})
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return {"status": result["data"]["status"], "tip": result["data"]["msg"]}, ""
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except Exception as e:
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return {}, str(e)
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def __get_access_token(self) -> dict:
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"""
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确认登录后，获取相关token
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"""
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if not self._auth_state:
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raise Exception("【115】请先调用生成二维码方法")
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resp = self.session.post(
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"https://passportapi.115.com/open/deviceCodeToToken",
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data={
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"uid": self._auth_state["uid"],
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"code_verifier": self._auth_state["code_verifier"]
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}
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)
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if resp is None:
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raise Exception("【115】获取 access_token 失败")
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result = resp.json()
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if result.get("code") != 0:
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raise Exception(result.get("message"))
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return result["data"]
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def __refresh_access_token(self, refresh_token: str) -> Optional[dict]:
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"""
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刷新access_token
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"""
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resp = self.session.post(
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"https://passportapi.115.com/open/refreshToken",
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data={
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"refresh_token": refresh_token
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}
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)
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if resp is None:
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logger.error(f"【115】刷新 access_token 失败：refresh_token={refresh_token}")
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return None
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result = resp.json()
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if result.get("code") != 0:
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logger.warn(f"【115】刷新 access_token 失败：{result.get('code')} - {result.get('message')}！")
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return result.get("data")
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def _request_api(self, method: str, endpoint: str,
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result_key: Optional[str] = None, **kwargs) -> Optional[Union[dict, list]]:
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"""
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带错误处理和速率限制的API请求
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"""
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# 检查会话
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self._check_session()
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resp = self.session.request(
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method, f"{self.base_url}{endpoint}",
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**kwargs
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)
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if resp is None:
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logger.warn(f"【115】{method} 请求 {endpoint} 失败！")
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return None
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# 处理速率限制
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if resp.status_code == 429:
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reset_time = int(resp.headers.get("X-RateLimit-Reset", 60))
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time.sleep(reset_time + 5)
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return self._request_api(method, endpoint, result_key, **kwargs)
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# 处理请求错误
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resp.raise_for_status()
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# 返回数据
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ret_data = resp.json()
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if ret_data.get("code") != 0:
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logger.warn(f"【115】{method} 请求 {endpoint} 出错：{ret_data.get('message')}！")
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if result_key:
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return ret_data.get(result_key)
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return ret_data
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def _path_to_id(self, path: str) -> int:
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"""
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路径转FID（带缓存机制）
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"""
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if len(path) > 1 and path.endswith("/"):
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path = path[:-1]
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# 命中缓存
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if path in self._id_cache:
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return self._id_cache[path]
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# 逐级查找缓存
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current_id = 0
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parent_path = "/"
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for p in Path(path).parents:
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if str(p) in self._id_cache:
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parent_path = str(p)
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current_id = self._id_cache[parent_path]
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break
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# 计算相对路径
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rel_path = Path(path).relative_to(parent_path)
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for part in Path(rel_path).parts:
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resp = self._request_api(
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"GET",
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"/open/ufile/files",
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"data",
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params={
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"cid": current_id
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}
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)
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for item in resp:
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if item["fn"] == part:
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current_id = item["fid"]
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break
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else:
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raise FileNotFoundError(f"【115】路径不存在: {path}")
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self._id_cache[path] = current_id
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return current_id
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def _id_to_path(self, fid: int) -> str:
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"""
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CID转路径（带双向缓存）
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"""
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# 根目录特殊处理
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if fid == 0:
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return "/"
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# 优先从缓存读取
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if fid in self._id_cache.values():
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return next(k for k, v in self._id_cache.items() if v == fid)
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# 从API获取当前节点信息
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detail = self._request_api(
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"GET",
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"/open/folder/get_info",
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"data",
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params={
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"file_id": fid
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}
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)
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# 处理可能的空数据（如已删除文件）
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if not detail:
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raise FileNotFoundError(f"【115】{fid} 不存在")
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paths = detail["paths"]
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path_parts = [item["file_name"] for item in paths]
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# 构建完整路径
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full_path = "/" + "/".join(reversed(path_parts))
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# 缓存新路径
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self._id_cache[full_path] = fid
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return full_path
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@staticmethod
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def _calc_sha1(filepath: Path, size: Optional[int] = None) -> str:
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"""
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计算文件SHA1（符合115规范）
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size: 前多少字节
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"""
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sha1 = hashlib.sha1()
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with open(filepath, 'rb') as f:
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if size:
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chunk = f.read(size)
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sha1.update(chunk)
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else:
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while chunk := f.read(8192):
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sha1.update(chunk)
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return sha1.hexdigest()
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def init_storage(self):
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pass
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def list(self, fileitem: schemas.FileItem) -> List[schemas.FileItem]:
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"""
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目录遍历实现
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"""
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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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cid = self._path_to_id(fileitem.path)
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items = []
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offset = 0
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while True:
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resp = self._request_api(
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"GET",
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"/open/ufile/files",
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"data",
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params={"cid": cid, "limit": 1000, "offset": offset, "cur": True, "show_dir": 1}
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)
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if not resp:
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break
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for item in resp:
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# 更新缓存
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path = f"{fileitem.path}{item['fn']}"
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self._id_cache[path] = item["fid"]
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file_path = path + ("/" if item["fc"] == "0" else "")
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items.append(schemas.FileItem(
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storage=self.schema.value,
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fileid=item["fid"],
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name=item["fn"],
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basename=Path(item["fn"]).stem,
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extension=item["ico"] if item["fc"] == "1" else None,
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type="dir" if item["fc"] == "0" else "file",
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path=file_path,
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size=item["fs"] if item["fc"] == "1" else None,
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modify_time=item["upt"],
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pickcode=item["pc"]
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))
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if len(resp) < 1000:
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break
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offset += len(resp)
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return items
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def create_folder(self, parent_item: schemas.FileItem, name: str) -> Optional[schemas.FileItem]:
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"""
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创建目录
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"""
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parent_id = self._path_to_id(parent_item.path)
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new_path = Path(parent_item.path) / name
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resp = self._request_api(
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"POST",
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"/open/folder/add",
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data={
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"pid": parent_id,
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"file_name": name
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}
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)
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if not resp:
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return None
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if not resp.get("state"):
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if resp.get("code") == 20004:
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# 目录已存在
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return self.get_item(new_path)
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logger.warn(f"【115】创建目录失败: {resp.get('error')}")
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return None
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# 缓存新目录
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self._id_cache[str(new_path)] = resp["data"]["file_id"]
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return schemas.FileItem(
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storage=self.schema.value,
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fileid=resp["data"]["file_id"],
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path=str(new_path) + "/",
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name=name,
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basename=name,
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type="dir",
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modify_time=int(time.time())
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)
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def upload(self, target_dir: schemas.FileItem, local_path: Path,
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new_name: Optional[str] = None) -> Optional[schemas.FileItem]:
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"""
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实现带秒传、断点续传和二次认证的文件上传
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"""
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def progress_callback(consumed_bytes: int, total_bytes: int):
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"""
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上传进度回调
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"""
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progress = round(consumed_bytes / total_bytes * 100)
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if progress != self._last_progress:
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logger.info(f"【115】已上传: {StringUtils.str_filesize(consumed_bytes)}"
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f" / {StringUtils.str_filesize(total_bytes)} 字节, 进度: {progress}%")
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self._last_progress = progress
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def encode_callback(cb_str: str):
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"""
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回调参数Base64编码函数
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"""
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return oss2.compat.to_string(base64.b64encode(oss2.compat.to_bytes(cb_str)))
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# 计算文件特征值
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target_name = new_name or local_path.name
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file_size = local_path.stat().st_size
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file_sha1 = self._calc_sha1(local_path)
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file_preid = self._calc_sha1(local_path, 128 * 1024 * 1024)
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# 获取目标目录CID
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target_cid = self._path_to_id(target_dir.path)
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target_param = f"U_1_{target_cid}"
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# Step 1: 初始化上传
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init_data = {
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"file_name": target_name,
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"file_size": file_size,
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"target": target_param,
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"fileid": file_sha1,
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"preid": file_preid
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}
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init_resp = self._request_api(
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"POST",
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"/open/upload/init",
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data=init_data
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)
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if not init_resp:
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return None
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if not init_resp.get("state"):
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logger.warn(f"【115】初始化上传失败: {init_resp.get('error')}")
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return None
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init_result = init_resp.get("data")
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logger.debug(f"【115】上传 Step 1 结果: {init_result}")
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# Step 2: 处理二次认证
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if init_result.get("code") in [700, 701]:
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sign_check = init_result["sign_check"].split("-")
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start = int(sign_check[0])
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end = int(sign_check[1])
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# 计算指定区间的SHA1
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# sign_check （用下划线隔开,截取上传文内容的sha1）(单位是byte): "2392148-2392298"
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with open(local_path, "rb") as f:
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# 取2392148-2392298之间的内容(包含2392148、2392298)的sha1
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f.seek(start)
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chunk = f.read(end - start + 1)
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sign_val = hashlib.sha1(chunk).hexdigest().upper()
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# 重新初始化请求
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# sign_key，sign_val(根据sign_check计算的值大写的sha1值)
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init_data.update({
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"pick_code": init_result["pick_code"],
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"sign_key": init_result["sign_key"],
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"sign_val": sign_val
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})
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init_resp = self._request_api(
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"POST",
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"/open/upload/init",
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data=init_data
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)
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init_result = init_resp.get("data")
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logger.debug(f"【115】上传 Step 2 结果: {init_result}")
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# Step 3: 秒传
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if init_result.get("status") == 2:
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logger.info(f"【115】{target_name} 秒传成功")
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return schemas.FileItem(
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storage=self.schema.value,
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fileid=init_result["file_id"],
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path=str(Path(target_dir.path) / target_name),
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name=target_name,
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basename=Path(target_dir.name).stem,
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extension=Path(target_dir.name).suffix[1:],
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size=file_size,
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type="file",
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modify_time=int(time.time())
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)
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# Step 4: 获取上传凭证
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token_resp = self._request_api(
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"GET",
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"/open/upload/get_token",
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"data"
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)
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if not token_resp:
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logger.warn("【115】获取上传凭证失败")
|
||
return None
|
||
logger.debug(f"【115】上传 Step 4 结果: {token_resp}")
|
||
|
||
# Step 5: 对象存储上传
|
||
endpoint = token_resp["endpoint"]
|
||
auth = oss2.StsAuth(
|
||
access_key_id=token_resp['AccessKeyId'],
|
||
access_key_secret=token_resp['AccessKeySecret'],
|
||
security_token=token_resp['SecurityToken']
|
||
)
|
||
bucket = oss2.Bucket(auth, endpoint, init_result['bucket']) # noqa
|
||
headers = {
|
||
'x-oss-callback': encode_callback(init_result['callback']['callback']),
|
||
'x-oss-callback-var': encode_callback(init_result['callback']['callback_var'])
|
||
}
|
||
logger.info(f"【115】开始上传: {local_path} -> {target_name}")
|
||
with open(local_path, "rb") as f:
|
||
try:
|
||
result = bucket.put_object(
|
||
target_name,
|
||
data=f,
|
||
headers=headers,
|
||
progress_callback=progress_callback
|
||
)
|
||
if result.status == 200:
|
||
# 构造返回结果
|
||
logger.info(f"【115】{target_name} 上传成功")
|
||
return schemas.FileItem(
|
||
storage=self.schema.value,
|
||
fileid=init_result.get("file_id"),
|
||
type="file",
|
||
path=str(Path(target_dir.path) / target_name),
|
||
name=target_name,
|
||
basename=Path(target_name).stem,
|
||
extension=Path(target_name).suffix[1:],
|
||
size=file_size,
|
||
pickcode=init_result["pick_code"],
|
||
modify_time=int(time.time())
|
||
)
|
||
else:
|
||
logger.warn(f"【115】{target_name} 上传失败，错误码: {result.status}")
|
||
return None
|
||
except oss2.exceptions.OssError as e:
|
||
logger.error(f"【115】{target_name} 上传失败: {e.status}, 错误码: {e.code}, 详情: {e.message}")
|
||
return None
|
||
|
||
def download(self, fileitem: schemas.FileItem, path: Path = None) -> Optional[Path]:
|
||
"""
|
||
带限速处理的下载
|
||
"""
|
||
detail = self.get_item(Path(fileitem.path))
|
||
local_path = path or settings.TEMP_PATH / fileitem.name
|
||
download_info = self._request_api(
|
||
"POST",
|
||
"/open/ufile/downurl",
|
||
"data",
|
||
data={
|
||
"pick_code": detail.pickcode
|
||
}
|
||
)
|
||
if not download_info:
|
||
return None
|
||
download_url = list(download_info.values())[0].get("url", {}).get("url")
|
||
with self.session.get(download_url, stream=True) as r:
|
||
r.raise_for_status()
|
||
with open(local_path, "wb") as f:
|
||
for chunk in r.iter_content(chunk_size=8192):
|
||
f.write(chunk)
|
||
return local_path
|
||
|
||
def check(self) -> bool:
|
||
return self.access_token is not None
|
||
|
||
def delete(self, fileitem: schemas.FileItem) -> bool:
|
||
"""
|
||
删除文件/目录
|
||
"""
|
||
try:
|
||
self._request_api(
|
||
"POST",
|
||
"/open/ufile/delete",
|
||
data={
|
||
"file_ids": self._path_to_id(fileitem.path)
|
||
}
|
||
)
|
||
return True
|
||
except requests.exceptions.HTTPError:
|
||
return False
|
||
|
||
def rename(self, fileitem: schemas.FileItem, name: str) -> bool:
|
||
"""
|
||
重命名文件/目录
|
||
"""
|
||
file_id = self._path_to_id(fileitem.path)
|
||
resp = self._request_api(
|
||
"POST",
|
||
"/open/ufile/update",
|
||
data={
|
||
"file_id": file_id,
|
||
"file_name": name
|
||
}
|
||
)
|
||
if not resp:
|
||
return False
|
||
if resp["state"]:
|
||
if fileitem.path in self._id_cache:
|
||
del self._id_cache[fileitem.path]
|
||
for key in list(self._id_cache.keys()):
|
||
if key.startswith(fileitem.path):
|
||
del self._id_cache[key]
|
||
new_path = Path(fileitem.path).parent / name
|
||
self._id_cache[str(new_path)] = file_id
|
||
return True
|
||
return False
|
||
|
||
def get_item(self, path: Path) -> Optional[schemas.FileItem]:
|
||
"""
|
||
获取指定路径的文件/目录项
|
||
"""
|
||
try:
|
||
file_id = self._path_to_id(str(path))
|
||
if not file_id:
|
||
return None
|
||
resp = self._request_api(
|
||
"GET",
|
||
"/open/folder/get_info",
|
||
"data",
|
||
params={
|
||
"file_id": file_id
|
||
}
|
||
)
|
||
if not resp:
|
||
return None
|
||
return schemas.FileItem(
|
||
storage=self.schema.value,
|
||
fileid=resp["file_id"],
|
||
path=str(path) + ("/" if resp["file_category"] == "1" else ""),
|
||
type="file" if resp["file_category"] == "1" else "dir",
|
||
name=resp["file_name"],
|
||
basename=Path(resp["file_name"]).stem,
|
||
extension=Path(resp["file_name"]).suffix[1:],
|
||
pickcode=resp["pick_code"],
|
||
size=StringUtils.num_filesize(resp['size']) if resp["file_category"] == "1" else None,
|
||
modify_time=resp["utime"]
|
||
)
|
||
except Exception as e:
|
||
logger.debug(f"【115】获取文件信息失败: {str(e)}")
|
||
return None
|
||
|
||
def get_folder(self, path: Path) -> Optional[schemas.FileItem]:
|
||
"""
|
||
获取指定路径的文件夹，如不存在则创建
|
||
"""
|
||
|
||
def __find_dir(_fileitem: schemas.FileItem, _name: str) -> Optional[schemas.FileItem]:
|
||
"""
|
||
查找下级目录中匹配名称的目录
|
||
"""
|
||
for sub_folder in self.list(_fileitem):
|
||
if sub_folder.type != "dir":
|
||
continue
|
||
if sub_folder.name == _name:
|
||
return sub_folder
|
||
return None
|
||
|
||
# 是否已存在
|
||
folder = self.get_item(path)
|
||
if folder:
|
||
return folder
|
||
# 逐级查找和创建目录
|
||
fileitem = schemas.FileItem(storage=self.schema.value, path="/")
|
||
for part in path.parts[1:]:
|
||
dir_file = __find_dir(fileitem, part)
|
||
if dir_file:
|
||
fileitem = dir_file
|
||
else:
|
||
dir_file = self.create_folder(fileitem, part)
|
||
if not dir_file:
|
||
logger.warn(f"【115】创建目录 {fileitem.path}{part} 失败！")
|
||
return None
|
||
fileitem = dir_file
|
||
return fileitem
|
||
|
||
def detail(self, fileitem: schemas.FileItem) -> Optional[schemas.FileItem]:
|
||
"""
|
||
获取文件/目录详细信息
|
||
"""
|
||
return self.get_item(Path(fileitem.path))
|
||
|
||
def copy(self, fileitem: schemas.FileItem, path: Path, new_name: str) -> bool:
|
||
"""
|
||
企业级复制实现（支持目录递归复制）
|
||
"""
|
||
src_fid = self._path_to_id(fileitem.path)
|
||
dest_cid = self._path_to_id(str(path))
|
||
|
||
resp = self._request_api(
|
||
"POST",
|
||
"/open/ufile/copy",
|
||
data={
|
||
"file_id": src_fid,
|
||
"pid": dest_cid
|
||
}
|
||
)
|
||
if not resp:
|
||
return False
|
||
if resp["state"]:
|
||
new_path = Path(path) / fileitem.name
|
||
new_file = self.get_item(new_path)
|
||
self.rename(new_file, new_name)
|
||
# 更新缓存
|
||
del self._id_cache[fileitem.path]
|
||
rename_new_path = Path(path) / new_name
|
||
self._id_cache[str(rename_new_path)] = int(new_file.fileid)
|
||
return True
|
||
return False
|
||
|
||
def move(self, fileitem: schemas.FileItem, path: Path, new_name: str) -> bool:
|
||
"""
|
||
原子性移动操作实现
|
||
"""
|
||
src_fid = self._path_to_id(fileitem.path)
|
||
dest_cid = self._path_to_id(str(path))
|
||
|
||
resp = self._request_api(
|
||
"POST",
|
||
"/open/ufile/move",
|
||
data={
|
||
"file_ids": src_fid,
|
||
"to_cid": dest_cid
|
||
}
|
||
)
|
||
if not resp:
|
||
return False
|
||
if resp["state"]:
|
||
new_path = Path(path) / fileitem.name
|
||
new_file = self.get_item(new_path)
|
||
self.rename(new_file, new_name)
|
||
# 更新缓存
|
||
del self._id_cache[fileitem.path]
|
||
rename_new_path = Path(path) / new_name
|
||
self._id_cache[str(rename_new_path)] = src_fid
|
||
return True
|
||
return False
|
||
|
||
def link(self, fileitem: schemas.FileItem, target_file: Path) -> bool:
|
||
pass
|
||
|
||
def softlink(self, fileitem: schemas.FileItem, target_file: Path) -> bool:
|
||
pass
|
||
|
||
def usage(self) -> Optional[schemas.StorageUsage]:
|
||
"""
|
||
获取带有企业级配额信息的存储使用情况
|
||
"""
|
||
try:
|
||
resp = self._request_api(
|
||
"GET",
|
||
"/open/user/info",
|
||
"data"
|
||
)
|
||
if not resp:
|
||
return None
|
||
space = resp["rt_space_info"]
|
||
return schemas.StorageUsage(
|
||
total=space["all_total"]["size"],
|
||
available=space["all_remain"]["size"]
|
||
)
|
||
except KeyError:
|
||
return None
|