Files
2024-11-04 14:45:20 +08:00

1415 lines
73 KiB
Python

"""
蓝奏网盘 API,封装了对蓝奏云的各种操作,解除了上传格式、大小限制
"""
import os
import pickle
import re
import shutil
from concurrent.futures import ThreadPoolExecutor, as_completed
from datetime import datetime
from random import shuffle, uniform
from time import sleep
from typing import List
import requests
from requests_toolbelt import MultipartEncoder, MultipartEncoderMonitor
from urllib3 import disable_warnings
from urllib3.exceptions import InsecureRequestWarning
from lanzou.api.models import FileList, FolderList
from lanzou.api.types import *
from lanzou.api.utils import *
__all__ = ['LanZouCloud']
class LanZouCloud(object):
FAILED = -1
SUCCESS = 0
ID_ERROR = 1
PASSWORD_ERROR = 2
LACK_PASSWORD = 3
ZIP_ERROR = 4
MKDIR_ERROR = 5
URL_INVALID = 6
FILE_CANCELLED = 7
PATH_ERROR = 8
NETWORK_ERROR = 9
CAPTCHA_ERROR = 10
OFFICIAL_LIMITED = 11
def __init__(self):
self._session = requests.Session()
self._limit_mode = True # 是否保持官方限制,若为False,则会尝试在不支持的格式或大小时写入额外信息,并在下载时进行解析
self._timeout = 15 # 每个请求的超时(不包含下载响应体的用时)
self._max_size = 100 # 单个文件大小上限 MB
self._upload_delay = (0, 0) # 文件上传延时
self._doupload_url = 'https://pc.woozooo.com/doupload.php'
self._account_url = 'https://pc.woozooo.com/account.php'
self._mydisk_url = 'https://pc.woozooo.com/mydisk.php'
self._cookies = None
self._headers = {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36',
'Referer': 'https://pc.woozooo.com/mydisk.php',
'Accept-Language': 'zh-CN,zh;q=0.9', # 提取直连必需设置这个,否则拿不到数据
}
disable_warnings(InsecureRequestWarning) # 全局禁用 SSL 警告
# 蓝奏云的域名有时候备案会出问题,这时候一般会出一个新的备案的域名
# 可在 https://www.ping.cn/ 查看域名在全国的访问情况
#
# 当出现这种情况的时候,可以通过下列方式查到新的域名
# 1. 去下面这个查备案的网址查 鲁ICP备15001327号 ,看看是否有新的域名备案了
# https://beian.miit.gov.cn/#/Integrated/recordQuery
# 2. 去 https://pc.woozooo.com/mydisk.php 登录,然后点击查看 外链分享地址 ,看里面显示的默认域名
#
# 如果有新的,这时候只需要
# 1. 将 _host_url 的域名改为新的
# 2. 把 最新的域名,比如 lanzouo 加到可能的域名列表的最前面
# 3. 如果下面的域名有部分不再出现在备案信息中了,可以直接注释或者移除
self._host_url = 'https://pan.lanzoup.com'
self.available_domains = [
'lanzoup.com', # 2021-12-10 鲁ICP备15001327号-16
'lanzout.com', # 2021-12-10 鲁ICP备15001327号-15
'lanzouy.com', # 2021-12-10 鲁ICP备15001327号-14
'lanzoul.com', # 2021-12-10 鲁ICP备15001327号-13
'lanzoug.com', # 2021-12-10 鲁ICP备15001327号-12
'lanzouv.com', # 2021-12-10 鲁ICP备15001327号-11
'lanzouj.com', # 2021-12-10 鲁ICP备15001327号-10
'lanzouq.com', # 2021-12-10 鲁ICP备15001327号-9
'lanzouo.com', # 2021-09-15 鲁ICP备15001327号-8
'lanzouw.com', # 2021-09-02 鲁ICP备15001327号-7
'lanzoui.com', # 2020-06-09 鲁ICP备15001327号-6
'lanzoux.com', # 2020-06-09 鲁ICP备15001327号-5
]
def _get(self, url, **kwargs):
for possible_url in self._all_possible_urls(url):
try:
kwargs.setdefault('timeout', self._timeout)
kwargs.setdefault('headers', self._headers)
return self._session.get(possible_url, verify=False, **kwargs)
except (ConnectionError, requests.RequestException):
logger.debug(f"Get {possible_url} failed, try another domain")
return None
def _post(self, url, data, **kwargs):
for possible_url in self._all_possible_urls(url):
try:
kwargs.setdefault('timeout', self._timeout)
kwargs.setdefault('headers', self._headers)
return self._session.post(possible_url, data, verify=False, **kwargs)
except (ConnectionError, requests.RequestException):
logger.debug(f"Post to {possible_url} ({data}) failed, try another domain")
return None
def _all_possible_urls(self, url: str) -> List[str]:
# 先把原始链接放到第一个,因为部分链接只能特定域名访问,比如 https://developer.lanzoug.com/file/?xxxx 这个系列,目前只有最初页面下发的那个域名可以访问,改成其他域名访问就会提示 文件取消分享
urls = [url]
# 然后再尝试其他的
for d in self.available_domains:
new_url = re.sub(r'lanzou\w\.com', d, url)
if new_url not in urls:
urls.append(new_url)
return urls
def ignore_limits(self):
"""解除官方限制"""
logger.warning("*** You have enabled the big file upload and filename disguise features ***")
logger.warning("*** This means that you fully understand what may happen and still agree to take the risk ***")
self._limit_mode = False
def set_max_size(self, max_size=100) -> int:
"""设置单文件大小限制(会员用户可超过 100M)"""
if max_size < 100:
return LanZouCloud.FAILED
self._max_size = max_size
return LanZouCloud.SUCCESS
def set_upload_delay(self, t_range: tuple) -> int:
"""设置上传大文件数据块时,相邻两次上传之间的延时,减小被封号的可能"""
if 0 <= t_range[0] <= t_range[1]:
self._upload_delay = t_range
return LanZouCloud.SUCCESS
return LanZouCloud.FAILED
def login(self, username, passwd) -> int:
"""
登录蓝奏云控制台[已弃用]
对某些用户可能有用
"""
login_data = {"task": "3", "setSessionId": "", "setToken": "", "setSig": "",
"setScene": "", "uid": username, "pwd": passwd}
phone_header = {
"User-Agent": "Mozilla/5.0 (Linux; Android 5.0; SM-G900P Build/LRX21T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/82.0.4051.0 Mobile Safari/537.36"}
html = self._get(self._account_url)
if not html:
return LanZouCloud.NETWORK_ERROR
formhash = re.findall(r'name="formhash" value="(.+?)"', html.text)
if not formhash:
return LanZouCloud.FAILED
login_data['formhash'] = formhash[0]
html = self._post(self._mydisk_url, login_data, headers=phone_header)
if not html:
return LanZouCloud.NETWORK_ERROR
try:
if '成功' in html.json()['info']:
self._cookies = html.cookies.get_dict()
return LanZouCloud.SUCCESS
else:
return LanZouCloud.FAILED
except ValueError:
return LanZouCloud.FAILED
def get_cookie(self) -> dict:
"""获取用户 Cookie"""
return self._cookies
def login_by_cookie(self, cookie: dict) -> int:
"""通过cookie登录"""
self._session.cookies.update(cookie)
html = self._get(self._account_url)
if not html:
return LanZouCloud.NETWORK_ERROR
return LanZouCloud.FAILED if '网盘用户登录' in html.text else LanZouCloud.SUCCESS
def logout(self) -> int:
"""注销"""
html = self._get(self._account_url, params={'action': 'logout'})
if not html:
return LanZouCloud.NETWORK_ERROR
return LanZouCloud.SUCCESS if '退出系统成功' in html.text else LanZouCloud.FAILED
def delete(self, fid, is_file=True) -> int:
"""把网盘的文件、无子文件夹的文件夹放到回收站"""
post_data = {'task': 6, 'file_id': fid} if is_file else {'task': 3, 'folder_id': fid}
result = self._post(self._doupload_url, post_data)
if not result:
return LanZouCloud.NETWORK_ERROR
return LanZouCloud.SUCCESS if result.json()['zt'] == 1 else LanZouCloud.FAILED
def clean_rec(self) -> int:
"""清空回收站"""
post_data = {'action': 'delete_all', 'task': 'delete_all'}
html = self._get(self._mydisk_url, params={'item': 'recycle', 'action': 'files'})
if not html:
return LanZouCloud.NETWORK_ERROR
post_data['formhash'] = re.findall(r'name="formhash" value="(.+?)"', html.text)[0] # 设置表单 hash
html = self._post(self._mydisk_url + '?item=recycle', post_data)
if not html:
return LanZouCloud.NETWORK_ERROR
return LanZouCloud.SUCCESS if '清空回收站成功' in html.text else LanZouCloud.FAILED
def get_rec_dir_list(self) -> FolderList:
"""获取回收站文件夹列表"""
# 回收站中文件(夹)名只能显示前 17 个中文字符或者 34 个英文字符,如果这些字符相同,则在文件(夹)名后添加 (序号) ,以便区分
html = self._get(self._mydisk_url, params={'item': 'recycle', 'action': 'files'})
if not html:
return FolderList()
dirs = re.findall(r'folder_id=(\d+).+?>&nbsp;(.+?)\.{0,3}</a>.*\n+.*<td.+?>(.+?)</td>.*\n.*<td.+?>(.+?)</td>',
html.text)
all_dir_list = FolderList() # 文件夹信息列表
dir_name_list = [] # 文件夹名列表d
counter = 1 # 重复计数器
for fid, name, size, time in dirs:
if name in dir_name_list: # 文件夹名前 17 个中文或 34 个英文重复
counter += 1
name = f'{name}({counter})'
else:
counter = 1
dir_name_list.append(name)
all_dir_list.append(RecFolder(name, int(fid), size, time, None))
return all_dir_list
def get_rec_file_list(self, folder_id=-1) -> FileList:
"""获取回收站文件列表"""
if folder_id == -1: # 列出回收站根目录文件
# 回收站文件夹中的文件也会显示在根目录
html = self._get(self._mydisk_url, params={'item': 'recycle', 'action': 'files'})
if not html:
return FileList()
html = remove_notes(html.text)
files = re.findall(
r'fl_sel_ids[^\n]+value="(\d+)".+?filetype/(\w+)\.gif.+?/>\s?(.+?)(?:\.{3})?</a>.+?<td.+?>([\d\-]+?)</td>',
html, re.DOTALL)
file_list = FileList()
file_name_list = []
counter = 1
for fid, ftype, name, time in sorted(files, key=lambda x: x[2]):
if not name.endswith(ftype): # 防止文件名太长导致丢失了文件后缀
name = name + '.' + ftype
if name in file_name_list: # 防止长文件名前 17:34 个字符相同重名
counter += 1
name = f'{name}({counter})'
else:
counter = 1
file_name_list.append(name)
file_list.append(RecFile(name, int(fid), ftype, size='', time=time))
return file_list
else: # 列出回收站中文件夹内的文件,信息只有部分文件名和文件大小
para = {'item': 'recycle', 'action': 'folder_restore', 'folder_id': folder_id}
html = self._get(self._mydisk_url, params=para)
if not html or '此文件夹没有包含文件' in html.text:
return FileList()
html = remove_notes(html.text)
files = re.findall(
r'com/(\d+?)".+?filetype/(\w+)\.gif.+?/>&nbsp;(.+?)(?:\.{3})?</a> <font color="#CCCCCC">\((.+?)\)</font>',
html)
file_list = FileList()
file_name_list = []
counter = 1
for fid, ftype, name, size in sorted(files, key=lambda x: x[2]):
if not name.endswith(ftype): # 防止文件名太长丢失后缀
name = name + '.' + ftype
if name in file_name_list:
counter += 1
name = f'{name}({counter})' # 防止文件名太长且前17个字符重复
else:
counter = 1
file_name_list.append(name)
file_list.append(RecFile(name, int(fid), ftype, size=size, time=''))
return file_list
def get_rec_all(self):
"""获取整理后回收站的所有信息"""
root_files = self.get_rec_file_list() # 回收站根目录文件列表
folder_list = FolderList() # 保存整理后的文件夹列表
for folder in self.get_rec_dir_list(): # 遍历所有子文件夹
this_folder = RecFolder(folder.name, folder.id, folder.size, folder.time, FileList())
for file in self.get_rec_file_list(folder.id): # 文件夹内的文件属性: name,id,type,size
if root_files.find_by_id(file.id): # 根目录存在同名文件
file_time = root_files.pop_by_id(file.id).time # 从根目录删除, time 信息用来补充文件夹中的文件
file = file._replace(time=file_time) # 不能直接更新 namedtuple, 需要 _replace
this_folder.files.append(file)
else: # 根目录没有同名文件(用户手动删了),文件还在文件夹中,只是根目录不显示,time 信息无法补全了
file = file._replace(time=folder.time) # 那就设置时间为文件夹的创建时间
this_folder.files.append(file)
folder_list.append(this_folder)
return root_files, folder_list
def delete_rec(self, fid, is_file=True) -> int:
"""彻底删除回收站文件(夹)"""
# 彻底删除后需要 1.5s 才能调用 get_rec_file() ,否则信息没有刷新,被删掉的文件似乎仍然 "存在"
if is_file:
para = {'item': 'recycle', 'action': 'file_delete_complete', 'file_id': fid}
post_data = {'action': 'file_delete_complete', 'task': 'file_delete_complete', 'file_id': fid}
else:
para = {'item': 'recycle', 'action': 'folder_delete_complete', 'folder_id': fid}
post_data = {'action': 'folder_delete_complete', 'task': 'folder_delete_complete', 'folder_id': fid}
html = self._get(self._mydisk_url, params=para)
if not html:
return LanZouCloud.NETWORK_ERROR
# 此处的 formhash 与 login 时不同,不要尝试精简这一步
post_data['formhash'] = re.findall(r'name="formhash" value="(\w+?)"', html.text)[0] # 设置表单 hash
html = self._post(self._mydisk_url + '?item=recycle', post_data)
if not html:
return LanZouCloud.NETWORK_ERROR
return LanZouCloud.SUCCESS if '删除成功' in html.text else LanZouCloud.FAILED
def delete_rec_multi(self, *, files=None, folders=None) -> int:
"""彻底删除回收站多个文件(夹)
:param files 文件 id 列表 List[int]
:param folders 文件夹 id 列表 List[int]
"""
if not files and not folders:
return LanZouCloud.FAILED
para = {'item': 'recycle', 'action': 'files'}
post_data = {'action': 'files', 'task': 'delete_complete_recycle'}
if folders:
post_data['fd_sel_ids[]'] = folders
if files:
post_data['fl_sel_ids[]'] = files
html = self._get(self._mydisk_url, params=para)
if not html:
return LanZouCloud.NETWORK_ERROR
post_data['formhash'] = re.findall(r'name="formhash" value="(\w+?)"', html.text)[0] # 设置表单 hash
html = self._post(self._mydisk_url + '?item=recycle', post_data)
if not html:
return LanZouCloud.NETWORK_ERROR
return LanZouCloud.SUCCESS if '删除成功' in html.text else LanZouCloud.FAILED
def recovery(self, fid, is_file=True) -> int:
"""从回收站恢复文件"""
if is_file:
para = {'item': 'recycle', 'action': 'file_restore', 'file_id': fid}
post_data = {'action': 'file_restore', 'task': 'file_restore', 'file_id': fid}
else:
para = {'item': 'recycle', 'action': 'folder_restore', 'folder_id': fid}
post_data = {'action': 'folder_restore', 'task': 'folder_restore', 'folder_id': fid}
html = self._get(self._mydisk_url, params=para)
if not html:
return LanZouCloud.NETWORK_ERROR
post_data['formhash'] = re.findall(r'name="formhash" value="(\w+?)"', html.text)[0] # 设置表单 hash
html = self._post(self._mydisk_url + '?item=recycle', post_data)
if not html:
return LanZouCloud.NETWORK_ERROR
return LanZouCloud.SUCCESS if '恢复成功' in html.text else LanZouCloud.FAILED
def recovery_multi(self, *, files=None, folders=None) -> int:
"""从回收站恢复多个文件(夹)"""
if not files and not folders:
return LanZouCloud.FAILED
para = {'item': 'recycle', 'action': 'files'}
post_data = {'action': 'files', 'task': 'restore_recycle'}
if folders:
post_data['fd_sel_ids[]'] = folders
if files:
post_data['fl_sel_ids[]'] = files
html = self._get(self._mydisk_url, params=para)
if not html:
return LanZouCloud.NETWORK_ERROR
post_data['formhash'] = re.findall(r'name="formhash" value="(.+?)"', html.text)[0] # 设置表单 hash
html = self._post(self._mydisk_url + '?item=recycle', post_data)
if not html:
return LanZouCloud.NETWORK_ERROR
return LanZouCloud.SUCCESS if '恢复成功' in html.text else LanZouCloud.FAILED
def recovery_all(self) -> int:
"""从回收站恢复所有文件(夹)"""
para = {'item': 'recycle', 'action': 'restore_all'}
post_data = {'action': 'restore_all', 'task': 'restore_all'}
first_page = self._get(self._mydisk_url, params=para)
if not first_page:
return LanZouCloud.NETWORK_ERROR
post_data['formhash'] = re.findall(r'name="formhash" value="(.+?)"', first_page.text)[0] # 设置表单 hash
second_page = self._post(self._mydisk_url + '?item=recycle', post_data)
if not second_page:
return LanZouCloud.NETWORK_ERROR
return LanZouCloud.SUCCESS if '还原成功' in second_page.text else LanZouCloud.FAILED
def get_file_list(self, folder_id=-1) -> FileList:
"""获取文件列表"""
page = 1
file_list = FileList()
while True:
post_data = {'task': 5, 'folder_id': folder_id, 'pg': page}
resp = self._post(self._doupload_url, post_data)
if not resp: # 网络异常,重试
continue
else:
resp = resp.json()
if resp["info"] == 0:
break # 已经拿到了全部的文件信息
else:
page += 1 # 下一页
# 文件信息处理
for file in resp["text"]:
file_list.append(File(
id=int(file['id']),
name=file['name_all'].replace("&amp;", "&"),
time=time_format(file['time']), # 上传时间
size=file['size'].replace(",", ""), # 文件大小
type=file['name_all'].split('.')[-1], # 文件类型
downs=int(file['downs']), # 下载次数
has_pwd=True if int(file['onof']) == 1 else False, # 是否存在提取码
has_des=True if int(file['is_des']) == 1 else False # 是否存在描述
))
return file_list
def get_dir_list(self, folder_id=-1) -> FolderList:
"""获取子文件夹列表"""
folder_list = FolderList()
post_data = {'task': 47, 'folder_id': folder_id}
resp = self._post(self._doupload_url, post_data)
if not resp:
return folder_list
for folder in resp.json()['text']:
folder_list.append(
Folder(
id=int(folder['fol_id']),
name=folder['name'],
has_pwd=True if int(folder['onof']) == 1 else False,
desc=folder['folder_des'].strip('[]')
))
return folder_list
def clean_ghost_folders(self):
"""清除网盘中的幽灵文件夹"""
# 可能有一些文件夹,网盘和回收站都看不见它,但是它确实存在,移动文件夹时才会显示
# 如果不清理掉,不小心将文件移动进去就完蛋了
def _clean(fid):
for folder in self.get_dir_list(fid):
real_folders.append(folder)
_clean(folder.id)
folder_with_ghost = self.get_move_folders()
folder_with_ghost.pop_by_id(-1) # 忽视根目录
real_folders = FolderList()
_clean(-1)
for folder in folder_with_ghost:
if not real_folders.find_by_id(folder.id):
logger.debug(f"Delete ghost folder: {folder.name} #{folder.id}")
if self.delete(folder.id, False) != LanZouCloud.SUCCESS:
return LanZouCloud.FAILED
if self.delete_rec(folder.id, False) != LanZouCloud.SUCCESS:
return LanZouCloud.FAILED
return LanZouCloud.SUCCESS
def get_full_path(self, folder_id=-1) -> FolderList:
"""获取文件夹完整路径"""
path_list = FolderList()
path_list.append(FolderId('LanZouCloud', -1))
post_data = {'task': 47, 'folder_id': folder_id}
resp = self._post(self._doupload_url, post_data)
if not resp:
return path_list
for folder in resp.json()['info']:
if folder['folderid'] and folder['name']: # 有时会返回无效数据, 这两个字段中某个为 None
path_list.append(FolderId(id=int(folder['folderid']), name=folder['name']))
return path_list
def get_file_info_by_url(self, share_url, pwd='') -> FileDetail:
"""获取文件各种信息(包括下载直链)
:param share_url: 文件分享链接
:param pwd: 文件提取码(如果有的话)
"""
if not is_file_url(share_url): # 非文件链接返回错误
return FileDetail(LanZouCloud.URL_INVALID, pwd=pwd, url=share_url)
first_page = self._get(share_url) # 文件分享页面(第一页)
if not first_page:
return FileDetail(LanZouCloud.NETWORK_ERROR, pwd=pwd, url=share_url)
if "acw_sc__v2" in first_page.text:
# 在页面被过多访问或其他情况下,有时候会先返回一个加密的页面,其执行计算出一个acw_sc__v2后放入页面后再重新访问页面才能获得正常页面
# 若该页面进行了js加密,则进行解密,计算acw_sc__v2,并加入cookie
acw_sc__v2 = calc_acw_sc__v2(first_page.text)
self._session.cookies.set("acw_sc__v2", acw_sc__v2)
logger.debug(f"Set Cookie: acw_sc__v2={acw_sc__v2}")
first_page = self._get(share_url) # 文件分享页面(第一页)
if not first_page:
return FileDetail(LanZouCloud.NETWORK_ERROR, pwd=pwd, url=share_url)
first_page = remove_notes(first_page.text) # 去除网页里的注释
if '文件取消' in first_page or '文件不存在' in first_page:
return FileDetail(LanZouCloud.FILE_CANCELLED, pwd=pwd, url=share_url)
# 这里获取下载直链 304 重定向前的链接
if 'id="pwdload"' in first_page or 'id="passwddiv"' in first_page: # 文件设置了提取码时
if len(pwd) == 0:
return FileDetail(LanZouCloud.LACK_PASSWORD, pwd=pwd, url=share_url) # 没给提取码直接退出
# data : 'action=downprocess&sign=AGZRbwEwU2IEDQU6BDRUaFc8DzxfMlRjCjTPlVkWzFSYFY7ATpWYw_c_c&p='+pwd,
sign = re.search(r"sign=(\w+?)&", first_page).group(1)
post_data = {'action': 'downprocess', 'sign': sign, 'p': pwd}
link_info = self._post(self._host_url + '/ajaxm.php', post_data) # 保存了重定向前的链接信息和文件名
second_page = self._get(share_url) # 再次请求文件分享页面,可以看见文件名,时间,大小等信息(第二页)
if not link_info or not second_page.text:
return FileDetail(LanZouCloud.NETWORK_ERROR, pwd=pwd, url=share_url)
link_info = link_info.json()
second_page = remove_notes(second_page.text)
# 提取文件信息
f_name = link_info['inf'].replace("*", "_")
f_size = re.search(r'大小.+?(\d[\d.,]+\s?[BKM]?)<', second_page)
f_size = f_size.group(1).replace(",", "") if f_size else '0 M'
f_time = re.search(r'class="n_file_infos">(.+?)</span>', second_page)
f_time = time_format(f_time.group(1)) if f_time else time_format('0 小时前')
f_desc = re.search(r'class="n_box_des">(.*?)</div>', second_page)
f_desc = f_desc.group(1) if f_desc else ''
else: # 文件没有设置提取码时,文件信息都暴露在分享页面上
para = re.search(r'<iframe.*?src="(.+?)"', first_page).group(1) # 提取下载页面 URL 的参数
# 文件名位置变化很多
f_name = re.search(r"<title>(.+?) - 蓝奏云</title>", first_page) or \
re.search(r'<div class="filethetext".+?>([^<>]+?)</div>', first_page) or \
re.search(r'<div style="font-size.+?>([^<>].+?)</div>', first_page) or \
re.search(r"var filename = '(.+?)';", first_page) or \
re.search(r'id="filenajax">(.+?)</div>', first_page) or \
re.search(r'<div class="b"><span>([^<>]+?)</span></div>', first_page)
f_name = f_name.group(1).replace("*", "_") if f_name else "未匹配到文件名"
# 匹配文件时间,文件没有时间信息就视为今天,统一表示为 2020-01-01 格式
f_time = re.search(r'>(\d+\s?[秒天分小][钟时]?前|[昨前]天\s?[\d:]+?|\d+\s?天前|\d{4}-\d\d-\d\d)<', first_page)
f_time = time_format(f_time.group(1)) if f_time else time_format('0 小时前')
# 匹配文件大小
f_size = re.search(r'大小.+?(\d[\d.,]+\s?[BKM]?)<', first_page)
f_size = f_size.group(1).replace(",", "") if f_size else '0 M'
f_desc = re.search(r'文件描述.+?<br>\n?\s*(.*?)\s*</td>', first_page)
f_desc = f_desc.group(1) if f_desc else ''
first_page = self._get(self._host_url + para)
if not first_page:
return FileDetail(LanZouCloud.NETWORK_ERROR, name=f_name, time=f_time, size=f_size, desc=f_desc,
pwd=pwd, url=share_url)
first_page = remove_notes(first_page.text)
# 一般情况 sign 的值就在 data 里,有时放在变量后面
sign = re.search(r"'sign':(.+?),", first_page).group(1)
if len(sign) < 20: # 此时 sign 保存在变量里面, 变量名是 sign 匹配的字符
sign = re.search(rf"var {sign}\s*=\s*'(.+?)';", first_page).group(1)
post_data = {'action': 'downprocess', 'sign': sign, 'ves': 1}
link_info = self._post(self._host_url + '/ajaxm.php', post_data)
if not link_info:
return FileDetail(LanZouCloud.NETWORK_ERROR, name=f_name, time=f_time, size=f_size, desc=f_desc,
pwd=pwd, url=share_url)
link_info = link_info.json()
# 这里开始获取文件直链
if link_info['zt'] != 1: # 返回信息异常,无法获取直链
return FileDetail(LanZouCloud.FAILED, name=f_name, time=f_time, size=f_size, desc=f_desc, pwd=pwd,
url=share_url)
fake_url = link_info['dom'] + '/file/' + link_info['url'] # 假直连,存在流量异常检测
download_page = self._get(fake_url, allow_redirects=False)
if not download_page:
return FileDetail(LanZouCloud.NETWORK_ERROR, name=f_name, time=f_time, size=f_size, desc=f_desc,
pwd=pwd, url=share_url)
download_page.encoding = 'utf-8'
download_page_html = remove_notes(download_page.text)
if '网络异常' not in download_page_html: # 没有遇到验证码
direct_url = download_page.headers['Location'] # 重定向后的真直链
else: # 遇到验证码,验证后才能获取下载直链
file_token = re.findall("'file':'(.+?)'", download_page_html)[0]
file_sign = re.findall("'sign':'(.+?)'", download_page_html)[0]
check_api = 'https://vip.d0.baidupan.com/file/ajax.php'
post_data = {'file': file_token, 'el': 2, 'sign': file_sign}
sleep(2) # 这里必需等待2s, 否则直链返回 ?SignError
resp = self._post(check_api, post_data)
direct_url = resp.json()['url']
if not direct_url:
return FileDetail(LanZouCloud.CAPTCHA_ERROR, name=f_name, time=f_time, size=f_size, desc=f_desc,
pwd=pwd, url=share_url)
f_type = f_name.split('.')[-1]
return FileDetail(LanZouCloud.SUCCESS,
name=f_name, size=f_size, type=f_type, time=f_time,
desc=f_desc, pwd=pwd, url=share_url, durl=direct_url)
def get_file_info_by_id(self, file_id) -> FileDetail:
"""通过 id 获取文件信息"""
info = self.get_share_info(file_id)
if info.code != LanZouCloud.SUCCESS:
return FileDetail(info.code)
return self.get_file_info_by_url(info.url, info.pwd)
def get_durl_by_url(self, share_url, pwd='') -> DirectUrlInfo:
"""通过分享链接获取下载直链"""
file_info = self.get_file_info_by_url(share_url, pwd)
if file_info.code != LanZouCloud.SUCCESS:
return DirectUrlInfo(file_info.code, '', '')
return DirectUrlInfo(LanZouCloud.SUCCESS, file_info.name, file_info.durl)
def get_durl_by_id(self, file_id) -> DirectUrlInfo:
"""登录用户通过id获取直链"""
info = self.get_share_info(file_id, is_file=True) # 能获取直链,一定是文件
return self.get_durl_by_url(info.url, info.pwd)
def get_share_info(self, fid, is_file=True) -> ShareInfo:
"""获取文件(夹)提取码、分享链接"""
post_data = {'task': 22, 'file_id': fid} if is_file else {'task': 18, 'folder_id': fid} # 获取分享链接和密码用
f_info = self._post(self._doupload_url, post_data)
if not f_info:
return ShareInfo(LanZouCloud.NETWORK_ERROR)
else:
f_info = f_info.json()['info']
# id 有效性校验
if ('f_id' in f_info.keys() and f_info['f_id'] == 'i') or ('name' in f_info.keys() and not f_info['name']):
return ShareInfo(LanZouCloud.ID_ERROR)
# onof=1 时,存在有效的提取码; onof=0 时不存在提取码,但是 pwd 字段还是有一个无效的随机密码
pwd = f_info['pwd'] if f_info['onof'] == '1' else ''
if 'f_id' in f_info.keys(): # 说明返回的是文件的信息
url = f_info['is_newd'] + '/' + f_info['f_id'] # 文件的分享链接需要拼凑
file_info = self._post(self._doupload_url, {'task': 12, 'file_id': fid}) # 文件信息
if not file_info:
return ShareInfo(LanZouCloud.NETWORK_ERROR)
name = file_info.json()['text'] # 无后缀的文件名(获得后缀又要发送请求,没有就没有吧,尽可能减少请求数量)
desc = file_info.json()['info']
else:
url = f_info['new_url'] # 文件夹的分享链接可以直接拿到
name = f_info['name'] # 文件夹名
desc = f_info['des'] # 文件夹描述
return ShareInfo(LanZouCloud.SUCCESS, name=name, url=url, desc=desc, pwd=pwd)
def set_passwd(self, fid, passwd='', is_file=True) -> int:
"""
设置网盘文件(夹)的提取码, 现在非会员用户不允许关闭提取码
id 无效或者 id 类型不对应仍然返回成功 :(
文件夹提取码长度 0-12 位 文件提取码 2-6 位
"""
passwd_status = 0 if passwd == '' else 1 # 是否开启密码
if is_file:
post_data = {"task": 23, "file_id": fid, "shows": passwd_status, "shownames": passwd}
else:
post_data = {"task": 16, "folder_id": fid, "shows": passwd_status, "shownames": passwd}
result = self._post(self._doupload_url, post_data)
if not result:
return LanZouCloud.NETWORK_ERROR
return LanZouCloud.SUCCESS if result.json()['zt'] == 1 else LanZouCloud.FAILED
def mkdir(self, parent_id, folder_name, desc='') -> int:
"""创建文件夹(同时设置描述)"""
folder_name = folder_name.replace(' ', '_') # 文件夹名称不能包含空格
folder_name = name_format(folder_name) # 去除非法字符
folder_list = self.get_dir_list(parent_id)
if folder_list.find_by_name(folder_name): # 如果文件夹已经存在,直接返回 id
return folder_list.find_by_name(folder_name).id
raw_folders = self.get_move_folders()
post_data = {"task": 2, "parent_id": parent_id or -1, "folder_name": folder_name,
"folder_description": desc}
result = self._post(self._doupload_url, post_data) # 创建文件夹
if not result or result.json()['zt'] != 1:
logger.debug(f"Mkdir {folder_name} error, parent_id={parent_id}")
return LanZouCloud.MKDIR_ERROR # 正常时返回 id 也是 int,为了方便判断是否成功,网络异常或者创建失败都返回相同错误码
# 允许再不同路径创建同名文件夹, 移动时可通过 get_move_paths() 区分
for folder in self.get_move_folders():
if not raw_folders.find_by_id(folder.id):
logger.debug(f"Mkdir {folder_name} #{folder.id} in parent_id:{parent_id}")
return folder.id
logger.debug(f"Mkdir {folder_name} error, parent_id:{parent_id}")
return LanZouCloud.MKDIR_ERROR
def _set_dir_info(self, folder_id, folder_name, desc='') -> int:
"""重命名文件夹及其描述"""
# 不能用于重命名文件,id 无效仍然返回成功
folder_name = name_format(folder_name)
post_data = {'task': 4, 'folder_id': folder_id, 'folder_name': folder_name, 'folder_description': desc}
result = self._post(self._doupload_url, post_data)
if not result:
return LanZouCloud.NETWORK_ERROR
return LanZouCloud.SUCCESS if result.json()['zt'] == 1 else LanZouCloud.FAILED
def rename_dir(self, folder_id, folder_name) -> int:
"""重命名文件夹"""
# 重命名文件要开会员额
info = self.get_share_info(folder_id, is_file=False)
if info.code != LanZouCloud.SUCCESS:
return info.code
return self._set_dir_info(folder_id, folder_name, info.desc)
def set_desc(self, fid, desc, is_file=True) -> int:
"""设置文件(夹)描述"""
if is_file:
# 文件描述一旦设置了值,就不能再设置为空
post_data = {'task': 11, 'file_id': fid, 'desc': desc}
result = self._post(self._doupload_url, post_data)
if not result:
return LanZouCloud.NETWORK_ERROR
elif result.json()['zt'] != 1:
return LanZouCloud.FAILED
return LanZouCloud.SUCCESS
else:
# 文件夹描述可以置空
info = self.get_share_info(fid, is_file=False)
if info.code != LanZouCloud.SUCCESS:
return info.code
return self._set_dir_info(fid, info.name, desc)
def rename_file(self, file_id, filename):
"""允许会员重命名文件(无法修后缀名)"""
post_data = {'task': 46, 'file_id': file_id, 'file_name': name_format(filename), 'type': 2}
result = self._post(self._doupload_url, post_data)
if not result:
return LanZouCloud.NETWORK_ERROR
return LanZouCloud.SUCCESS if result.json()['zt'] == 1 else LanZouCloud.FAILED
def get_move_folders(self) -> FolderList:
"""获取全部文件夹 id-name 列表,用于移动文件至新的文件夹"""
# 这里 file_id 可以为任意值,不会对结果产生影响
result = FolderList()
result.append(FolderId(name='LanZouCloud', id=-1))
resp = self._post(self._doupload_url, data={"task": 19, "file_id": -1})
if not resp or resp.json()['zt'] != 1: # 获取失败或者网络异常
return result
info = resp.json()['info'] or [] # 新注册用户无数据, info=None
for folder in info:
folder_id, folder_name = int(folder['folder_id']), folder['folder_name']
result.append(FolderId(folder_name, folder_id))
return result
def get_move_paths(self) -> List[FolderList]:
"""获取所有文件夹的绝对路径(耗时长)"""
# 官方 bug, 可能会返回一些已经被删除的"幽灵文件夹"
result = []
root = FolderList()
root.append(FolderId('LanZouCloud', -1))
result.append(root)
resp = self._post(self._doupload_url, data={"task": 19, "file_id": -1})
if not resp or resp.json()['zt'] != 1: # 获取失败或者网络异常
return result
ex = ThreadPoolExecutor() # 线程数 min(32, os.cpu_count() + 4)
id_list = [int(folder['folder_id']) for folder in resp.json()['info']]
task_list = [ex.submit(self.get_full_path, fid) for fid in id_list]
for task in as_completed(task_list):
result.append(task.result())
return sorted(result)
def move_file(self, file_id, folder_id=-1) -> int:
"""移动文件到指定文件夹"""
# 移动回收站文件也返回成功(实际上行不通) (+_+)?
post_data = {'task': 20, 'file_id': file_id, 'folder_id': folder_id}
result = self._post(self._doupload_url, post_data)
logger.debug(f"Move file file_id:{file_id} to folder_id:{folder_id}")
if not result:
return LanZouCloud.NETWORK_ERROR
return LanZouCloud.SUCCESS if result.json()['zt'] == 1 else LanZouCloud.FAILED
def move_folder(self, folder_id, parent_folder_id=-1) -> int:
"""移动文件夹(官方并没有直接支持此功能)"""
if folder_id == parent_folder_id or parent_folder_id < -1:
return LanZouCloud.FAILED # 禁止移动文件夹到自身,禁止移动到 -2 这样的文件夹(文件还在,但是从此不可见)
folder = self.get_move_folders().find_by_id(folder_id)
if not folder:
logger.debug(f"Not found folder id:{folder_id}")
return LanZouCloud.FAILED
if self.get_dir_list(folder_id):
logger.debug(f"Found subdirectory in folder={folder}")
return LanZouCloud.FAILED # 递归操作可能会产生大量请求,这里只移动单层文件夹
info = self.get_share_info(folder_id, False)
new_folder_id = self.mkdir(parent_folder_id, folder.name, info.desc) # 在目标文件夹下创建同名文件夹
if new_folder_id == LanZouCloud.MKDIR_ERROR:
return LanZouCloud.FAILED
elif new_folder_id == folder_id: # 移动文件夹到同一目录
return LanZouCloud.FAILED
self.set_passwd(new_folder_id, info.pwd, False) # 保持密码相同
ex = ThreadPoolExecutor()
task_list = [ex.submit(self.move_file, file.id, new_folder_id) for file in self.get_file_list(folder_id)]
for task in as_completed(task_list):
if task.result() != LanZouCloud.SUCCESS:
return LanZouCloud.FAILED
self.delete(folder_id, False) # 全部移动完成后删除原文件夹
self.delete_rec(folder_id, False)
return LanZouCloud.SUCCESS
def _upload_small_file(self, file_path, folder_id=-1, *, callback=None, uploaded_handler=None) -> int:
"""绕过格式限制上传不超过 max_size 的文件"""
if not os.path.isfile(file_path):
return LanZouCloud.PATH_ERROR
need_delete = False # 上传完成是否删除
if not is_name_valid(os.path.basename(file_path)): # 不允许上传的格式
if self._limit_mode: # 不允许绕过官方限制
return LanZouCloud.OFFICIAL_LIMITED
file_path = let_me_upload(file_path) # 添加了报尾的新文件
need_delete = True
# 文件已经存在同名文件就删除
filename = name_format(os.path.basename(file_path))
file_list = self.get_file_list(folder_id)
if file_list.find_by_name(filename):
self.delete(file_list.find_by_name(filename).id)
logger.debug(f'Upload file_path:{file_path} to folder_id:{folder_id}')
file = open(file_path, 'rb')
post_data = {
"task": "1",
"folder_id": str(folder_id),
"id": "WU_FILE_0",
"name": filename,
"upload_file": (filename, file, 'application/octet-stream')
}
post_data = MultipartEncoder(post_data)
tmp_header = self._headers.copy()
tmp_header['Content-Type'] = post_data.content_type
# MultipartEncoderMonitor 每上传 8129 bytes数据调用一次回调函数,问题根源是 httplib 库
# issue : https://github.com/requests/toolbelt/issues/75
# 上传完成后,回调函数会被错误的多调用一次(强迫症受不了)。因此,下面重新封装了回调函数,修改了接受的参数,并阻断了多余的一次调用
self._upload_finished_flag = False # 上传完成的标志
def _call_back(read_monitor):
if callback is not None:
if not self._upload_finished_flag:
callback(filename, read_monitor.len, read_monitor.bytes_read)
if read_monitor.len == read_monitor.bytes_read:
self._upload_finished_flag = True
monitor = MultipartEncoderMonitor(post_data, _call_back)
result = self._post('https://pc.woozooo.com/fileup.php', data=monitor, headers=tmp_header, timeout=3600)
if not result: # 网络异常
return LanZouCloud.NETWORK_ERROR
else:
result = result.json()
if result["zt"] != 1:
logger.debug(f'Upload failed: result={result}')
return LanZouCloud.FAILED # 上传失败
if uploaded_handler is not None:
file_id = int(result["text"][0]["id"])
uploaded_handler(file_id, is_file=True) # 对已经上传的文件再进一步处理
if need_delete:
file.close()
os.remove(file_path)
return LanZouCloud.SUCCESS
def _upload_big_file(self, file_path, dir_id, *, callback=None, uploaded_handler=None):
"""上传大文件, 且使得回调函数只显示一个文件"""
if self._limit_mode: # 不允许绕过官方限制
return LanZouCloud.OFFICIAL_LIMITED
file_size = os.path.getsize(file_path) # 原始文件的字节大小
file_name = os.path.basename(file_path)
tmp_dir = os.path.dirname(file_path) + os.sep + '__' + '.'.join(file_name.split('.')[:-1]) # 临时文件保存路径
record_file = tmp_dir + os.sep + file_name + '.record' # 记录文件,大文件没有完全上传前保留,用于支持续传
uploaded_size = 0 # 记录已上传字节数,用于回调函数
if not os.path.exists(tmp_dir):
os.makedirs(tmp_dir)
if not os.path.exists(record_file): # 初始化记录文件
info = {'name': file_name, 'size': file_size, 'uploaded': 0, 'parts': []}
with open(record_file, 'wb') as f:
pickle.dump(info, f)
else:
with open(record_file, 'rb') as f:
info = pickle.load(f)
uploaded_size = info['uploaded'] # 读取已经上传的大小
logger.debug(f"Find upload record: {uploaded_size}/{file_size}")
def _callback(name, t_size, now_size): # 重新封装回调函数,隐藏数据块上传细节
nonlocal uploaded_size
if callback is not None:
# MultipartEncoder 以后,文件数据流比原文件略大几百字节, now_size 略大于 file_size
now_size = uploaded_size + now_size
now_size = now_size if now_size < file_size else file_size # 99.99% -> 100.00%
callback(file_name, file_size, now_size)
def _close_pwd(fid, is_file): # 数据块上传后默认关闭提取码
self.set_passwd(fid)
while uploaded_size < file_size:
data_size, data_path = big_file_split(file_path, self._max_size, start_byte=uploaded_size)
code = self._upload_small_file(data_path, dir_id, callback=_callback, uploaded_handler=_close_pwd)
if code == LanZouCloud.SUCCESS:
uploaded_size += data_size # 更新已上传的总字节大小
info['uploaded'] = uploaded_size
info['parts'].append(os.path.basename(data_path)) # 记录已上传的文件名
with open(record_file, 'wb') as f:
logger.debug(f"Update record file: {uploaded_size}/{file_size}")
pickle.dump(info, f)
else:
logger.debug(f"Upload data file failed: data_path={data_path}")
return LanZouCloud.FAILED
os.remove(data_path) # 删除临时数据块
min_s, max_s = self._upload_delay # 设置两次上传间的延时,减小封号可能性
sleep_time = uniform(min_s, max_s)
logger.debug(f"Sleeping, Upload task will resume after {sleep_time:.2f}s...")
sleep(sleep_time)
# 全部数据块上传完成
record_name = list(file_name.replace('.', '')) # 记录文件名也打乱
shuffle(record_name)
record_name = name_format(''.join(record_name)) + '.txt'
record_file_new = tmp_dir + os.sep + record_name
os.rename(record_file, record_file_new)
code = self._upload_small_file(record_file_new, dir_id, uploaded_handler=_close_pwd) # 上传记录文件
if code != LanZouCloud.SUCCESS:
logger.debug(f"Upload record file failed: {record_file_new}")
return LanZouCloud.FAILED
# 记录文件上传成功,删除临时文件
shutil.rmtree(tmp_dir)
logger.debug(f"Upload finished, Delete tmp folder:{tmp_dir}")
return LanZouCloud.SUCCESS
def upload_file(self, file_path, folder_id=-1, *, callback=None, uploaded_handler=None) -> int:
"""解除限制上传文件
:param callback 用于显示上传进度的回调函数
def callback(file_name, total_size, now_size):
print(f"\r文件名:{file_name}, 进度: {now_size}/{total_size}")
...
:param uploaded_handler 用于进一步处理上传完成后的文件, 对大文件而已是处理文件夹(数据块默认关闭密码)
def uploaded_handler(fid, is_file):
if is_file:
self.set_desc(fid, '...', is_file=True)
...
"""
if not os.path.isfile(file_path):
return LanZouCloud.PATH_ERROR
# 单个文件不超过 max_size 直接上传
if os.path.getsize(file_path) <= self._max_size * 1048576:
return self._upload_small_file(file_path, folder_id, callback=callback, uploaded_handler=uploaded_handler)
# 上传超过 max_size 的文件
if self._limit_mode:
return LanZouCloud.OFFICIAL_LIMITED
folder_name = os.path.basename(file_path) # 保存分段文件的文件夹名
dir_id = self.mkdir(folder_id, folder_name, 'Big File')
if dir_id == LanZouCloud.MKDIR_ERROR:
return LanZouCloud.MKDIR_ERROR # 创建文件夹失败就退出
if uploaded_handler is not None:
uploaded_handler(dir_id, is_file=False)
return self._upload_big_file(file_path, dir_id, callback=callback, uploaded_handler=uploaded_handler)
def upload_dir(self, dir_path, folder_id=-1, *, callback=None, failed_callback=None, uploaded_handler=None):
"""批量上传文件夹中的文件(不会递归上传子文件夹)
:param folder_id: 网盘文件夹 id
:param dir_path: 文件夹路径
:param callback 用于显示进度
def callback(file_name, total_size, now_size):
print(f"\r文件名:{file_name}, 进度: {now_size}/{total_size}")
...
:param failed_callback 用于处理上传失败文件的回调函数
def failed_callback(code, file_name):
print(f"上传失败, 文件名: {file_name}, 错误码: {code}")
...
:param uploaded_handler 用于进一步处理上传完成后的文件, 对大文件而已是处理文件夹(数据块默认关闭密码)
def uploaded_handler(fid, is_file):
if is_file:
self.set_desc(fid, '...', is_file=True)
...
"""
if not os.path.isdir(dir_path):
return LanZouCloud.PATH_ERROR
dir_name = dir_path.split(os.sep)[-1]
dir_id = self.mkdir(folder_id, dir_name, '批量上传')
if dir_id == LanZouCloud.MKDIR_ERROR:
return LanZouCloud.MKDIR_ERROR
for filename in os.listdir(dir_path):
file_path = dir_path + os.sep + filename
if not os.path.isfile(file_path):
continue # 跳过子文件夹
code = self.upload_file(file_path, dir_id, callback=callback, uploaded_handler=uploaded_handler)
if code != LanZouCloud.SUCCESS:
if failed_callback is not None:
failed_callback(code, filename)
return LanZouCloud.SUCCESS
def down_file_by_url(self, share_url, pwd='', save_path='./Download', *, callback=None, overwrite=False,
downloaded_handler=None) -> int:
"""通过分享链接下载文件(需提取码)
:param callback 用于显示下载进度 callback(file_name, total_size, now_size)
:param overwrite 文件已存在时是否强制覆盖
:param downloaded_handler 下载完成后进一步处理文件的回调函数 downloaded_handle(file_path)
"""
if not is_file_url(share_url):
return LanZouCloud.URL_INVALID
if not os.path.exists(save_path):
os.makedirs(save_path)
info = self.get_durl_by_url(share_url, pwd)
logger.debug(f'File direct url info: {info}')
if info.code != LanZouCloud.SUCCESS:
return info.code
resp = self._get(info.durl, stream=True)
if not resp:
return LanZouCloud.FAILED
# 如果本地存在同名文件且设置了 overwrite, 则覆盖原文件
# 否则修改下载文件路径, 自动在文件名后加序号
file_path = save_path + os.sep + info.name
if os.path.exists(file_path):
if overwrite:
logger.debug(f"Overwrite file {file_path}, will remove after download finish")
else: # 自动重命名文件
file_path = auto_rename(file_path)
logger.debug(f"File has already exists, auto rename to {file_path}")
tmp_file_path = file_path + '.download' # 正在下载中的文件名
logger.debug(f'Save file to {tmp_file_path}')
# 对于 txt 文件, 可能出现没有 Content-Length 的情况
# 此时文件需要下载一次才会出现 Content-Length
# 这时候我们先读取一点数据, 再尝试获取一次, 通常只需读取 1 字节数据
content_length = resp.headers.get('Content-Length', None)
if not content_length:
data_iter = resp.iter_content(chunk_size=1)
max_retries = 5 # 5 次拿不到就算了
while not content_length and max_retries > 0:
max_retries -= 1
logger.warning("Not found Content-Length in response headers")
logger.debug("Read 1 byte from stream...")
try:
next(data_iter) # 读取一个字节
except StopIteration:
logger.debug("Please wait for a moment before downloading")
return LanZouCloud.FAILED
resp_ = self._get(info.durl, stream=True) # 再请求一次试试
if not resp_:
return LanZouCloud.FAILED
content_length = resp_.headers.get('Content-Length', None)
logger.debug(f"Content-Length: {content_length}")
if not content_length:
return LanZouCloud.FAILED # 应该不会出现这种情况
# 支持断点续传下载
now_size = 0
if os.path.exists(tmp_file_path):
now_size = os.path.getsize(tmp_file_path) # 本地已经下载的文件大小
headers = {**self._headers, 'Range': 'bytes=%d-' % now_size}
resp = self._get(info.durl, stream=True, headers=headers)
if resp is None: # 网络异常
return LanZouCloud.FAILED
if resp.status_code == 416: # 已经下载完成
return LanZouCloud.SUCCESS
with open(tmp_file_path, "ab") as f:
file_name = os.path.basename(file_path)
for chunk in resp.iter_content(4096):
if chunk:
f.write(chunk)
f.flush()
now_size += len(chunk)
if callback is not None:
callback(file_name, int(content_length), now_size)
# 下载完成
if os.path.exists(file_path):
# 若存在旧文件,且配置为覆盖,则先移除该文件
if overwrite:
logger.debug(f"Overwrite file {file_path}, will remove after download finish")
os.remove(file_path) # 删除旧文件
# 改回正常文件名
os.rename(tmp_file_path, file_path)
# 文件下载完成后, 检查文件尾部 512 字节数据
# 绕过官方限制上传时, API 会隐藏文件真实信息到文件尾部
# 这里尝试提取隐藏信息, 并截断文件尾部数据
if os.path.getsize(file_path) > 512: # 文件大于 512 bytes 就检查一下
file_info = None
with open(file_path, 'rb') as f:
f.seek(-512, os.SEEK_END)
last_512_bytes = f.read()
file_info = un_serialize(last_512_bytes, self._limit_mode)
# 大文件的记录文件也可以反序列化出 name,但是没有 padding 字段
if file_info is not None and 'padding' in file_info:
real_name = file_info['name'] # 解除伪装的真实文件名
logger.debug(f"Find meta info: real_name={real_name}")
real_path = save_path + os.sep + real_name
# 如果存在同名文件且设置了 overwrite, 删掉原文件
if overwrite and os.path.exists(real_path):
os.remove(real_path)
# 自动重命名, 文件存在就会加个序号
new_file_path = auto_rename(real_path)
os.rename(file_path, new_file_path)
# 截断最后 512 字节隐藏信息, 还原文件
with open(new_file_path, 'rb+') as f:
f.seek(-512, os.SEEK_END)
f.truncate()
file_path = new_file_path # 保存文件重命名后真实路径
# 如果设置了下载完成的回调函数, 调用之
if downloaded_handler is not None:
downloaded_handler(os.path.abspath(file_path))
return LanZouCloud.SUCCESS
def down_file_by_id(self, fid, save_path='./Download', *, callback=None, overwrite=False,
downloaded_handler=None) -> int:
"""登录用户通过id下载文件(无需提取码)"""
info = self.get_share_info(fid, is_file=True)
if info.code != LanZouCloud.SUCCESS:
return info.code
return self.down_file_by_url(info.url, info.pwd, save_path, callback=callback, overwrite=overwrite,
downloaded_handler=downloaded_handler)
def get_folder_info_by_url(self, share_url, dir_pwd='', get_this_page=0) -> FolderDetail:
"""获取文件夹里所有文件的信息"""
if is_file_url(share_url):
return FolderDetail(LanZouCloud.URL_INVALID)
try:
html = self._get(share_url, headers=self._headers).text
except requests.RequestException:
return FolderDetail(LanZouCloud.NETWORK_ERROR)
if '文件不存在' in html or '文件取消' in html:
return FolderDetail(LanZouCloud.FILE_CANCELLED)
# 要求输入密码, 用户描述中可能带有"输入密码",所以不用这个字符串判断
if ('id="pwdload"' in html or 'id="passwddiv"' in html) and len(dir_pwd) == 0:
return FolderDetail(LanZouCloud.LACK_PASSWORD)
if "acw_sc__v2" in html:
# 在页面被过多访问或其他情况下,有时候会先返回一个加密的页面,其执行计算出一个acw_sc__v2后放入页面后再重新访问页面才能获得正常页面
# 若该页面进行了js加密,则进行解密,计算acw_sc__v2,并加入cookie
acw_sc__v2 = calc_acw_sc__v2(html)
self._session.cookies.set("acw_sc__v2", acw_sc__v2)
logger.debug(f"Set Cookie: acw_sc__v2={acw_sc__v2}")
html = self._get(share_url).text # 文件分享页面(第一页)
try:
# 获取文件需要的参数
html = remove_notes(html)
lx = re.findall(r"'lx':'?(\d)'?,", html)[0]
t = re.findall(r"var [0-9a-z]{6} = '(\d{10})';", html)[0]
k = re.findall(r"var [0-9a-z]{6} = '([0-9a-z]{15,})';", html)[0]
# 文件夹的信息
folder_id = re.findall(r"'fid':'?(\d+)'?,", html)[0]
folder_name = re.findall(r"var.+?='(.+?)';\n.+document.title", html) or \
re.findall(r'<div class="user-title">(.+?)</div>', html)
folder_name = folder_name[0]
folder_time = re.findall(r'class="rets">([\d\-]+?)<a', html) # ['%m-%d'] 或者 None (vip自定义)
folder_time = folder_time[0] if folder_time else datetime.today().strftime("%m-%d") # 没有就设为现在
folder_desc = re.findall(r'id="filename">(.+?)</span>', html) or \
re.findall(r'<div class="user-radio-\d"></div>(.+?)</div>', html)
folder_desc = folder_desc[0] if folder_desc else ""
except IndexError:
return FolderDetail(LanZouCloud.FAILED)
# 提取子文件夹信息(vip用户分享的文件夹可以递归包含子文件夹)
sub_folders = FolderList()
# 文件夹描述放在 filesize 一栏, 迷惑行为
all_sub_folders = re.findall(
r'mbxfolder"><a href="(.+?)".+class="filename">(.+?)<div class="filesize">(.*?)</div>', html)
for url, name, desc in all_sub_folders:
url = self._host_url + url
time_str = datetime.today().strftime('%Y-%m-%d') # 网页没有时间信息, 设置为今天
sub_folders.append(FolderInfo(name=name, desc=desc, url=url, time=time_str, pwd=dir_pwd))
# 提取改文件夹下全部文件
page = 1
if get_this_page > 0:
# 若外部设定仅获取某页,则初始参数为该页
page = get_this_page
files = FileList()
while True:
if page >= 2 and get_this_page == 0: # 连续的请求需要稍等一下
sleep(0.6)
try:
logger.debug(f"Parse page {page}...")
post_data = {'lx': lx, 'pg': page, 'k': k, 't': t, 'fid': folder_id, 'pwd': dir_pwd}
resp = self._post(self._host_url + '/filemoreajax.php', data=post_data, headers=self._headers).json()
except (requests.RequestException, AttributeError):
return FolderDetail(LanZouCloud.NETWORK_ERROR)
if resp['zt'] == 1: # 成功获取一页文件信息
for f in resp["text"]:
files.append(FileInFolder(
name=f["name_all"], # 文件名
time=time_format(f["time"]), # 上传时间
size=f["size"], # 文件大小
type=f["name_all"].split('.')[-1], # 文件格式
url=self._host_url + "/" + f["id"] # 文件分享链接
))
page += 1 # 下一页
if get_this_page > 0:
# 若外部设定仅获取某页,则请求完该页就结束
break
continue
elif resp['zt'] == 2: # 已经拿到全部的文件信息
break
elif resp['zt'] == 3: # 提取码错误
return FolderDetail(LanZouCloud.PASSWORD_ERROR)
elif resp["zt"] == 4:
continue
else:
return FolderDetail(LanZouCloud.FAILED) # 其它未知错误
# 通过文件的时间信息补全文件夹的年份(如果有文件的话)
if files: # 最后一个文件上传时间最早,文件夹的创建年份与其相同
folder_time = files[-1].time.split('-')[0] + '-' + folder_time
else: # 可恶,没有文件,日期就设置为今年吧
folder_time = datetime.today().strftime('%Y-%m-%d')
this_folder = FolderInfo(folder_name, folder_id, dir_pwd, folder_time, folder_desc, share_url)
return FolderDetail(LanZouCloud.SUCCESS, this_folder, files, sub_folders)
def get_folder_info_by_id(self, folder_id):
"""通过 id 获取文件夹及内部文件信息"""
info = self.get_share_info(folder_id, is_file=False)
if info.code != LanZouCloud.SUCCESS:
return FolderDetail(info.code)
return self.get_folder_info_by_url(info.url, info.pwd)
def _check_big_file(self, file_list):
"""检查文件列表,判断是否为大文件分段数据"""
txt_files = file_list.filter(lambda f: f.name.endswith('.txt') and 'M' not in f.size)
if txt_files and len(txt_files) == 1: # 文件夹里有且仅有一个 txt, 很有可能是保存大文件的文件夹
try:
info = self.get_durl_by_url(txt_files[0].url)
except AttributeError:
info = self.get_durl_by_id(txt_files[0].id)
if info.code != LanZouCloud.SUCCESS:
logger.debug(f"Big file checking: Failed")
return None
resp = self._get(info.durl)
# 这里无需知道 txt 文件的 Content-Length, 全部读取即可
info = un_serialize(resp.content, self._limit_mode) if resp else None
if info is not None: # 确认是大文件
name, size, *_, parts = info.values() # 真实文件名, 文件字节大小, (其它数据),分段数据文件名(有序)
file_list = [file_list.find_by_name(p) for p in parts]
if all(file_list): # 分段数据完整
logger.debug(f"Big file checking: PASS , name={name}, size={size}")
return name, size, file_list
logger.debug(f"Big file checking: Failed, Missing some data")
logger.debug(f"Big file checking: Failed")
return None
def _down_big_file(self, name, total_size, file_list, save_path, *, callback=None, overwrite=False,
downloaded_handler=None):
"""下载分段数据到一个文件,回调函数只显示一个文件
支持大文件下载续传,下载完成后重复下载不会执行覆盖操作,直接返回状态码 SUCCESS
"""
if not os.path.exists(save_path):
os.makedirs(save_path)
big_file = save_path + os.sep + name
record_file = big_file + '.record'
if os.path.exists(big_file) and not os.path.exists(record_file):
if overwrite:
os.remove(big_file) # 删除原文件
else:
big_file = auto_rename(big_file)
record_file = big_file + '.record'
if not os.path.exists(record_file): # 初始化记录文件
info = {'last_ending': 0, 'finished': []} # 记录上一个数据块结尾地址和已经下载的数据块
with open(record_file, 'wb') as rf:
pickle.dump(info, rf)
else: # 读取记录文件,下载续传
with open(record_file, 'rb') as rf:
info = pickle.load(rf)
file_list = [f for f in file_list if f.name not in info['finished']] # 排除已下载的数据块
logger.debug(f"Find download record file: {info}")
file_name = os.path.basename(big_file)
with open(big_file, 'ab') as bf:
for file in file_list:
try:
durl_info = self.get_durl_by_url(file.url) # 分段文件无密码
except AttributeError:
durl_info = self.get_durl_by_id(file.id)
if durl_info.code != LanZouCloud.SUCCESS:
logger.debug(f"Can't get direct url: {file}")
return durl_info.code
# 准备向大文件写入数据
file_size_now = os.path.getsize(big_file)
down_start_byte = file_size_now - info['last_ending'] # 当前数据块上次下载中断的位置
headers = {**self._headers, 'Range': 'bytes=%d-' % down_start_byte}
logger.debug(f"Download {file.name}, Range: {down_start_byte}-")
resp = self._get(durl_info.durl, stream=True, headers=headers)
if resp is None: # 网络错误, 没有响应数据
return LanZouCloud.FAILED
if resp.status_code == 416: # 下载完成后重复下载导致 Range 越界, 服务器返回 416
logger.debug(f"File {file_name} has already downloaded.")
os.remove(record_file) # 删除记录文件
return LanZouCloud.SUCCESS
try:
for chunk in resp.iter_content(4096):
if chunk:
file_size_now += len(chunk)
bf.write(chunk)
bf.flush() # 确保缓冲区立即写入文件,否则下一次写入时获取的文件大小会有偏差
if callback:
callback(file_name, total_size, file_size_now)
# 一块数据写入完成,更新记录文件
info['finished'].append(file.name)
finally:
info['last_ending'] = file_size_now
with open(record_file, 'wb') as rf:
pickle.dump(info, rf)
logger.debug(f"Update download record info: {info}")
# 全部数据块下载完成, 记录文件可以删除
logger.debug(f"Delete download record file: {record_file}")
os.remove(record_file)
if downloaded_handler is not None:
downloaded_handler(os.path.abspath(big_file))
return LanZouCloud.SUCCESS
def down_dir_by_url(self, share_url, dir_pwd='', save_path='./Download', *, callback=None, mkdir=True,
overwrite=False, recursive=False,
failed_callback=None, downloaded_handler=None) -> int:
"""通过分享链接下载文件夹
:param overwrite: 下载时是否覆盖原文件, 对大文件也生效
:param save_path 文件夹保存路径
:param mkdir 是否在 save_path 下创建与远程文件夹同名的文件夹
:param callback 用于显示单个文件下载进度的回调函数
:param recursive 是否递归下载子文件夹(vip用户)
:param failed_callback 用于处理下载失败文件的回调函数,
def failed_callback(code, file):
print(f"文件名: {file.name}, 时间: {file.time}, 大小: {file.size}, 类型: {file.type}") # 共有属性
if hasattr(file, 'url'): # 使用 URL 下载时
print(f"文件下载失败, 链接: {file.url}, 错误码: {code}")
else: # 登录后使用 ID 下载时
print(f"文件下载失败, ID: {file.id}, 错误码: {code}")
:param downloaded_handler: 单个文件下载完成后进一步处理的回调函数 downloaded_handle(file_path)
"""
folder_detail = self.get_folder_info_by_url(share_url, dir_pwd)
if folder_detail.code != LanZouCloud.SUCCESS: # 获取文件信息失败
return folder_detail.code
# 检查是否大文件分段数据
info = self._check_big_file(folder_detail.files)
if info is not None:
return self._down_big_file(*info, save_path, callback=callback, overwrite=overwrite,
downloaded_handler=downloaded_handler)
if mkdir: # 自动创建子文件夹
save_path = save_path + os.sep + folder_detail.folder.name
if not os.path.exists(save_path):
save_path = save_path.replace('*', '_') # 替换特殊字符以符合路径规则
os.makedirs(save_path)
# 不是大文件分段数据,直接下载
for file in folder_detail.files:
code = self.down_file_by_url(file.url, dir_pwd, save_path, callback=callback, overwrite=overwrite,
downloaded_handler=downloaded_handler)
logger.debug(f'Download file result: Code:{code}, File: {file}')
if code != LanZouCloud.SUCCESS:
if failed_callback is not None:
failed_callback(code, file)
# 如果有子文件夹则递归下载子文件夹
if recursive and folder_detail.sub_folders:
for sub_folder in folder_detail.sub_folders:
self.down_dir_by_url(sub_folder.url, dir_pwd, save_path, callback=callback,
overwrite=overwrite,
recursive=True, failed_callback=failed_callback,
downloaded_handler=downloaded_handler)
return LanZouCloud.SUCCESS
def down_dir_by_id(self, folder_id, save_path='./Download', *, callback=None, mkdir=True, overwrite=False,
failed_callback=None, downloaded_handler=None, recursive=False) -> int:
"""登录用户通过id下载文件夹"""
file_list = self.get_file_list(folder_id)
if len(file_list) == 0:
return LanZouCloud.FAILED
# 检查是否大文件分段数据
info = self._check_big_file(file_list)
if info is not None:
return self._down_big_file(*info, save_path, callback=callback, overwrite=overwrite,
downloaded_handler=downloaded_handler)
if mkdir: # 自动创建子目录
share_info = self.get_share_info(folder_id, False)
if share_info.code != LanZouCloud.SUCCESS:
return share_info.code
save_path = save_path + os.sep + share_info.name
if not os.path.exists(save_path):
logger.debug(f"Mkdir {save_path}")
os.makedirs(save_path)
for file in file_list:
code = self.down_file_by_id(file.id, save_path, callback=callback, overwrite=overwrite,
downloaded_handler=downloaded_handler)
logger.debug(f'Download file result: Code:{code}, File: {file}')
if code != LanZouCloud.SUCCESS:
if failed_callback is not None:
failed_callback(code, file)
if recursive:
sub_folders = self.get_dir_list(folder_id)
if len(sub_folders) != 0:
for sub_folder in sub_folders:
self.down_dir_by_id(sub_folder.id, save_path, callback=callback, overwrite=overwrite,
failed_callback=failed_callback, downloaded_handler=downloaded_handler,
recursive=True)
return LanZouCloud.SUCCESS