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"""
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Copyright © 2019 Cloud Linux Software Inc.
This software is also available under ImunifyAV commercial license,
see <https://www.imunify360.com/legal/eula>
"""
import pwd
from dataclasses import dataclass
from pathlib import Path
from typing import List, Set
from defence360agent.utils import is_cloudways
@dataclass
class CloudwaysUser:
"""
Helper to override a `user` for Cloudways environment where a file (db)
in a customer's directory may belong to another user but should be
visible for the customer and at the same time it must be cleanable
(the true `owner` of a file is used for cleaning up)
"""
name: str = None
uid: int = None
@classmethod
def get_user_from_path(
cls,
path: Path,
fallback: "CloudwaysUser",
users_from_panel: Set[str],
pw_all: List[pwd.struct_passwd],
) -> "CloudwaysUser":
if is_cloudways():
return next(
(
cls(name=pw.pw_name, uid=pw.pw_uid)
for pw in pw_all
if pw.pw_name in users_from_panel
and Path(pw.pw_dir) in path.parents
),
fallback,
)
return fallback
@classmethod
def override_name_by_path(
cls,
path: Path,
fallback_name: str,
users_from_panel: Set[str],
pw_all: List[pwd.struct_passwd],
) -> str:
fallback = cls(name=fallback_name)
user = cls.get_user_from_path(path, fallback, users_from_panel, pw_all)
return user.name
@classmethod
def override_uid_by_path(
cls,
path: Path,
fallback_uid: int,
users_from_panel: Set[str],
pw_all: List[pwd.struct_passwd],
) -> int:
fallback = cls(uid=fallback_uid)
user = cls.get_user_from_path(path, fallback, users_from_panel, pw_all)
return user.uid
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