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seahub/seahub/api2/endpoints/zip_task.py
2023-06-12 09:53:31 +08:00

269 lines
10 KiB
Python

# Copyright (c) 2012-2016 Seafile Ltd.
import logging
import json
import stat
import posixpath
from rest_framework.authentication import SessionAuthentication
from rest_framework.permissions import IsAuthenticated
from rest_framework.response import Response
from rest_framework.views import APIView
from rest_framework import status
from django.conf import settings
from django.utils.translation import gettext as _
from seahub.api2.throttling import UserRateThrottle
from seahub.api2.authentication import TokenAuthentication
from seahub.api2.utils import api_error
from seahub.views import check_folder_permission
from seahub.views.file import send_file_access_msg
from seahub.utils import is_windows_operating_system
from seahub.utils.repo import parse_repo_perm
import seaserv
from seaserv import seafile_api
logger = logging.getLogger(__name__)
class ZipTaskView(APIView):
authentication_classes = (TokenAuthentication, SessionAuthentication)
permission_classes = (IsAuthenticated,)
throttle_classes = (UserRateThrottle,)
def get(self, request, repo_id, format=None):
""" Deprecated.
Sometimes when user download too many files in one request,
Nginx will return 414-Request-URI Too Large error.
So, use the following POST request instead.
Put all parameters in request body.
"""
# argument check
parent_dir = request.GET.get('parent_dir', None)
if not parent_dir:
error_msg = 'parent_dir invalid.'
return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
dirent_name_list = request.GET.getlist('dirents', None)
if not dirent_name_list:
error_msg = 'dirents invalid.'
return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
if len(dirent_name_list) == 1:
download_type = 'download-dir'
elif len(dirent_name_list) > 1:
download_type = 'download-multi'
else:
error_msg = 'dirents invalid.'
return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
# recourse check
repo = seafile_api.get_repo(repo_id)
if not repo:
error_msg = 'Library %s not found.' % repo_id
return api_error(status.HTTP_404_NOT_FOUND, error_msg)
if not seafile_api.get_dir_id_by_path(repo_id, parent_dir):
error_msg = 'Folder %s not found.' % parent_dir
return api_error(status.HTTP_404_NOT_FOUND, error_msg)
# permission check
repo_folder_permission = check_folder_permission(request, repo_id, parent_dir)
if not repo_folder_permission:
error_msg = 'Permission denied.'
return api_error(status.HTTP_403_FORBIDDEN, error_msg)
# get file server access token
is_windows = 0
if is_windows_operating_system(request):
is_windows = 1
if download_type == 'download-dir':
dir_name = dirent_name_list[0].strip('/')
full_dir_path = posixpath.join(parent_dir, dir_name)
dir_id = seafile_api.get_dir_id_by_path(repo_id, full_dir_path)
if not dir_id:
error_msg = 'Folder %s not found.' % full_dir_path
return api_error(status.HTTP_404_NOT_FOUND, error_msg)
if not json.loads(seafile_api.is_dir_downloadable(repo_id, json.dumps([full_dir_path]), \
request.user.username, repo_folder_permission))['is_downloadable']:
error_msg = 'Permission denied.'
return api_error(status.HTTP_403_FORBIDDEN, error_msg)
fake_obj_id = {
'obj_id': dir_id,
'dir_name': dir_name,
'is_windows': is_windows
}
if download_type == 'download-multi':
dirent_list = []
full_dirent_path_list = []
for dirent_name in dirent_name_list:
dirent_name = dirent_name.strip('/')
dirent_list.append(dirent_name)
full_dirent_path = posixpath.join(parent_dir, dirent_name)
current_dirent = seafile_api.get_dirent_by_path(repo_id, full_dirent_path)
if not current_dirent:
continue
full_dirent_path_list.append(full_dirent_path)
if not json.loads(seafile_api.is_dir_downloadable(repo_id, json.dumps(full_dirent_path_list), \
request.user.username, repo_folder_permission))['is_downloadable']:
error_msg = 'Permission denied.'
return api_error(status.HTTP_403_FORBIDDEN, error_msg)
fake_obj_id = {
'parent_dir': parent_dir,
'file_list': dirent_list,
'is_windows': is_windows
}
username = request.user.username
try:
zip_token = seafile_api.get_fileserver_access_token(
repo_id, json.dumps(fake_obj_id), download_type, username,
use_onetime=settings.FILESERVER_TOKEN_ONCE_ONLY
)
except Exception as e:
logger.error(e)
error_msg = 'Internal Server Error'
return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
if not zip_token:
error_msg = 'Internal Server Error'
return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
if len(dirent_name_list) > 10:
send_file_access_msg(request, repo, parent_dir, 'web')
else:
for dirent_name in dirent_name_list:
full_dirent_path = posixpath.join(parent_dir, dirent_name)
send_file_access_msg(request, repo, full_dirent_path, 'web')
return Response({'zip_token': zip_token})
def post(self, request, repo_id, format=None):
""" Get file server token for download-dir and download-multi.
Permission checking:
1. user with 'r' or 'rw' permission;
"""
# argument check
parent_dir = request.data.get('parent_dir', None)
if not parent_dir:
error_msg = 'parent_dir invalid.'
return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
dirent_name_list = request.data.getlist('dirents', None)
if not dirent_name_list:
error_msg = 'dirents invalid.'
return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
if len(dirent_name_list) == 1:
download_type = 'download-dir'
elif len(dirent_name_list) > 1:
download_type = 'download-multi'
else:
error_msg = 'dirents invalid.'
return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
# recourse check
repo = seafile_api.get_repo(repo_id)
if not repo:
error_msg = 'Library %s not found.' % repo_id
return api_error(status.HTTP_404_NOT_FOUND, error_msg)
if not seafile_api.get_dir_id_by_path(repo_id, parent_dir):
error_msg = 'Folder %s not found.' % parent_dir
return api_error(status.HTTP_404_NOT_FOUND, error_msg)
# permission check
repo_folder_permission = check_folder_permission(request, repo_id, parent_dir)
if parse_repo_perm(repo_folder_permission).can_download is False:
error_msg = 'Permission denied.'
return api_error(status.HTTP_403_FORBIDDEN, error_msg)
# get file server access token
is_windows = 0
if is_windows_operating_system(request):
is_windows = 1
if download_type == 'download-dir':
dir_name = dirent_name_list[0].strip('/')
full_dir_path = posixpath.join(parent_dir, dir_name)
dir_id = seafile_api.get_dir_id_by_path(repo_id, full_dir_path)
if not dir_id:
error_msg = 'Folder %s not found.' % full_dir_path
return api_error(status.HTTP_404_NOT_FOUND, error_msg)
if not json.loads(seafile_api.is_dir_downloadable(repo_id, json.dumps([full_dir_path]), \
request.user.username, repo_folder_permission))['is_downloadable']:
error_msg = 'Permission denied.'
return api_error(status.HTTP_403_FORBIDDEN, error_msg)
fake_obj_id = {
'obj_id': dir_id,
'dir_name': dir_name,
'is_windows': is_windows
}
if download_type == 'download-multi':
dirent_list = []
full_dirent_path_list = []
for dirent_name in dirent_name_list:
dirent_name = dirent_name.strip('/')
dirent_list.append(dirent_name)
full_dirent_path = posixpath.join(parent_dir, dirent_name)
current_dirent = seafile_api.get_dirent_by_path(repo_id, full_dirent_path)
if not current_dirent:
continue
full_dirent_path_list.append(full_dirent_path)
if not json.loads(seafile_api.is_dir_downloadable(repo_id, json.dumps(full_dirent_path_list), \
request.user.username, repo_folder_permission))['is_downloadable']:
error_msg = 'Permission denied.'
return api_error(status.HTTP_403_FORBIDDEN, error_msg)
fake_obj_id = {
'parent_dir': parent_dir,
'file_list': dirent_list,
'is_windows': is_windows
}
username = request.user.username
try:
zip_token = seafile_api.get_fileserver_access_token(
repo_id, json.dumps(fake_obj_id), download_type, username,
use_onetime=settings.FILESERVER_TOKEN_ONCE_ONLY
)
except Exception as e:
logger.error(e)
error_msg = 'Internal Server Error'
return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
if not zip_token:
error_msg = 'Internal Server Error'
return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
if len(dirent_name_list) > 10:
send_file_access_msg(request, repo, parent_dir, 'web')
else:
for dirent_name in dirent_name_list:
full_dirent_path = posixpath.join(parent_dir, dirent_name)
send_file_access_msg(request, repo, full_dirent_path, 'web')
return Response({'zip_token': zip_token})