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"""
This module manages the Proton VPN general settings.
Copyright (c) 2023 Proton AG
This file is part of Proton VPN.
Proton VPN 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.
Proton VPN 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 ProtonVPN. If not, see <https://www.gnu.org/licenses/>.
"""
from __future__ import annotations
from dataclasses import dataclass
from enum import IntEnum
from proton.vpn.core.settings.split_tunneling import SplitTunneling
from proton.vpn import logging
logger = logging.getLogger(__name__)
class NetShield(IntEnum): # pylint: disable=missing-class-docstring
NO_BLOCK = 0
BLOCK_MALICIOUS_URL = 1
BLOCK_ADS_AND_TRACKING = 2
@dataclass
class Features:
"""Contains features that affect a vpn connection"""
# pylint: disable=duplicate-code
netshield: int
moderate_nat: bool
vpn_accelerator: bool
port_forwarding: bool
split_tunneling: SplitTunneling
def are_free_tier_defaults(self):
"""Returns True if the features are the ones set for the free tier."""
return self == Features.default(user_tier=0)
@staticmethod
def from_dict(data: dict, user_tier: int) -> Features:
"""Creates and returns `Features` from the provided dict."""
default = Features.default(user_tier)
split_tunneling = data.get("split_tunneling")
split_tunneling = SplitTunneling.from_dict(split_tunneling) \
if split_tunneling else SplitTunneling()
return Features(
netshield=data.get("netshield", default.netshield),
moderate_nat=data.get("moderate_nat", default.moderate_nat),
vpn_accelerator=data.get(
"vpn_accelerator", default.vpn_accelerator),
port_forwarding=data.get(
"port_forwarding", default.port_forwarding),
split_tunneling=split_tunneling
)
def to_dict(self) -> dict:
"""Converts the class to dict."""
return {
"netshield": self.netshield,
"moderate_nat": self.moderate_nat,
"vpn_accelerator": self.vpn_accelerator,
"port_forwarding": self.port_forwarding,
"split_tunneling": self.split_tunneling.to_dict(),
}
@staticmethod
def default(user_tier: int) -> Features: # pylint: disable=unused-argument
"""Creates and returns `Features` from default configurations."""
return Features(
netshield=(
NetShield.NO_BLOCK.value
if user_tier < 1
else NetShield.BLOCK_MALICIOUS_URL.value
),
moderate_nat=False,
vpn_accelerator=True,
port_forwarding=False,
split_tunneling=SplitTunneling()
)
def is_default(self, user_tier: int) -> bool:
"""Returns true if the features are the default ones."""
return self == Features.default(user_tier)
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