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"""LICENSE 

Copyright 2017 Hermann Krumrey <hermann@krumreyh.com> 

 

This file is part of server-admintools. 

 

server-admintools 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. 

 

server-admintools 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 server-admintools. If not, see <http://www.gnu.org/licenses/>. 

LICENSE""" 

 

import os 

import sys 

from subprocess import Popen 

 

""" 

This module contains functions that help with permissions 

""" 

 

 

def is_sudo(): 

""" 

Checks if the current user has root privileges 

:return: True if the user has the privileges, False otherwise 

""" 

return os.geteuid() == 0 

 

 

def quit_if_not_sudo(): 

""" 

Quits the program in case the user does not have root privileges 

:return: None 

""" 

if not is_sudo(): 

print("You need root permissions for this action.") 

sys.exit(1) 

 

 

def change_ownership(path, user): 

""" 

Changes the ownership of a file or directory 

:param path: The path of the file or directory 

whose owner should be changed 

:param user: The new owner of the file or directory 

:return: None 

""" 

Popen(["chown", user, path, "-R"]).wait()