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"""OpenVPN module for AsusRouter."""
from __future__ import annotations
from collections.abc import Awaitable, Callable
from enum import IntEnum
import logging
from typing import Any
from asusrouter.modules.firmware import Firmware
from asusrouter.tools.converters import get_arguments
_LOGGER = logging.getLogger(__name__)
REQUIRE_IDENTITY = True
class AsusOVPNClient(IntEnum):
"""Asus OpenVPN client state."""
UNKNOWN = -999
ERROR = -1
DISCONNECTED = 0
CONNECTING = 1
CONNECTED = 2
OFF = DISCONNECTED
ON = CONNECTING
class AsusOVPNServer(IntEnum):
"""Asus OpenVPN server state."""
UNKNOWN = -999
ERROR = -1
DISCONNECTED = 0
CONNECTING = 1
CONNECTED = 2
OFF = DISCONNECTED
ON = CONNECTING
async def set_state(
callback: Callable[..., Awaitable[bool]],
state: AsusOVPNClient | AsusOVPNServer,
**kwargs: Any,
) -> bool:
"""Set the OpenVPN state."""
# Check if state is available
if not isinstance(
state, AsusOVPNClient | AsusOVPNServer
) or state.value not in (
0,
1,
):
_LOGGER.debug("No state found in arguments")
return False
# Get the arguments
vpn_id, identity = get_arguments(("id", "identity"), **kwargs)
if not vpn_id:
_LOGGER.debug("No VPN id found in arguments")
return False
service_arguments = {"id": vpn_id}
service_map: dict[Any, str]
# Get the correct service call
# This will be firmware dependent
if (
not identity
or identity.merlin
or identity.firmware < Firmware(major="3.0.0.4", minor=388, build=0)
):
service_map = {
(AsusOVPNClient, AsusOVPNClient.ON): f"start_vpnclient{vpn_id}",
(AsusOVPNClient, AsusOVPNClient.OFF): f"stop_vpnclient{vpn_id}",
(AsusOVPNServer, AsusOVPNServer.ON): f"start_vpnserver{vpn_id}",
(AsusOVPNServer, AsusOVPNServer.OFF): f"stop_vpnserver{vpn_id}",
}
service = service_map.get((type(state), state))
else:
service_map = {
AsusOVPNServer.ON: (
"restart_openvpnd;restart_chpass;restart_samba;restart_dnsmasq;"
),
AsusOVPNServer.OFF: "stop_openvpnd;restart_samba;restart_dnsmasq;",
}
service = (
service_map.get(state)
if isinstance(state, AsusOVPNServer)
else None
)
service_arguments["VPNServer_enable"] = (
"1" if state == AsusOVPNServer.ON else "0"
)
if not service:
_LOGGER.debug("Unknown state %s", state)
return False
_LOGGER.debug(
"Triggering state set with parameters: service=%s, arguments=%s",
service,
service_arguments,
)
# Run the service
return await callback(
service=service,
arguments=service_arguments,
apply=True,
expect_modify=kwargs.get("expect_modify", False),
)
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