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Mini Shell
Mini Shell
"""
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>
"""
from typing import List
from copy import deepcopy
from .exceptions import FeatureDisabledError
from .constants import CONFIG_MAPPINGS
from .model import FeatureManagementPerms
def check_feature(feature: str, permissions: List[str], user: str):
"""
Raise exception if feature is disabled for user
:param feature: feature name
:param permissions: permissions required
:param user: user name
:return: None
:raises FeatureDisabledError: if user is prohibited from use of the feature
"""
if user is None:
return
perm = FeatureManagementPerms.get_perm(user)
permission_value = perm.get_feature(feature)
if permission_value not in permissions:
raise FeatureDisabledError("Feature '{name}' is disabled for user "
"'{user}'".format(name=feature, user=user))
def check_config(feature: str, user: str, section: str, raise_=False):
"""
Check if section is allowed to be read or write by user
:param feature: feature name
:param user: user name
:param section: section name to check
:param raise_: True to raise exception, otherwise return True or False
:return: True if config sections is allowed to user, False otherwise
:raises FeatureDisabledError: raised if raise_=True
"""
if user is None:
return True
if feature not in CONFIG_MAPPINGS:
return True
if section not in CONFIG_MAPPINGS[feature]:
return True
try:
check_feature(feature, CONFIG_MAPPINGS[feature][section], user)
except FeatureDisabledError:
if raise_:
raise
return False
return True
def config_cleanup(data: dict, user: str = None) -> dict:
"""
Remove prohibited sections from user config
:param data: config data
:param user: user name
:return: new config data
"""
new_data = deepcopy(data)
for feature in CONFIG_MAPPINGS:
for section in data:
if not check_config(feature, user, section):
del new_data[section]
return new_data
def config_validation(data: dict, user: str):
"""
Raise exception if user is making changes on prohibited sections of config
:param data: config data
:param user: user name
:return: None
:raises FeatureDisabledError: if user is prohibited
"""
for feature in CONFIG_MAPPINGS:
for section in data:
check_config(feature, user, section, raise_=True)
Zerion Mini Shell 1.0