netinvent/windows_tools

#! /usr/bin/env python
#  -*- coding: utf-8 -*-
#
# This file is part of windows_tools module

"""
Tool to run as another user

Versioning semantics:
    Major version: backward compatibility breaking changes
    Minor version: New functionality
    Patch version: Backwards compatible bug fixes

"""

__intname__ = "windows_tools.impersonate"
__author__ = "Orsiris de Jong"
__copyright__ = "Copyright (C) 2020-2021 Orsiris de Jong"
__description__ = "Python runas implementation"
__licence__ = "BSD 3 Clause"
__version__ = "0.1.3"
__build__ = "2021021601"

import pywintypes
import win32con
import win32security


class ImpersonateWin32Sec:
    """
    Allow to run some task as another user
    """

    def __init__(self, domain: str, username: str, password: str) -> None:
        self.username = username
        self.password = password
        self.domain = domain
        self.handle = None

    def __enter__(self) -> None:
        try:
            self.handle = win32security.LogonUser(
                self.username,
                self.domain,
                self.password,
                win32con.LOGON32_LOGON_INTERACTIVE,
                win32con.LOGON32_PROVIDER_DEFAULT,
            )
            win32security.ImpersonateLoggedOnUser(self.handle)
        except pywintypes.error as exc:
            raise OSError(exc)

    def __exit__(self, *args) -> None:
        try:
            win32security.RevertToSelf()
            self.handle.Close()
        except AttributeError:
            pass