core/homeassistant/components/cert_expiry/config_flow.py

99 lines
3.6 KiB
Python

"""Config flow for the Cert Expiry platform."""
import socket
import voluptuous as vol
from homeassistant import config_entries
from homeassistant.const import CONF_PORT, CONF_NAME, CONF_HOST
from homeassistant.core import HomeAssistant, callback
from homeassistant.util import slugify
from .const import DOMAIN, DEFAULT_PORT, DEFAULT_NAME
from .helper import get_cert
@callback
def certexpiry_entries(hass: HomeAssistant):
"""Return the host,port tuples for the domain."""
return set(
(entry.data[CONF_HOST], entry.data[CONF_PORT])
for entry in hass.config_entries.async_entries(DOMAIN)
)
class CertexpiryConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
"""Handle a config flow."""
VERSION = 1
CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
def __init__(self) -> None:
"""Initialize the config flow."""
self._errors = {}
def _prt_in_configuration_exists(self, user_input) -> bool:
"""Return True if host, port combination exists in configuration."""
host = user_input[CONF_HOST]
port = user_input.get(CONF_PORT, DEFAULT_PORT)
if (host, port) in certexpiry_entries(self.hass):
return True
return False
def _test_connection(self, user_input=None):
"""Test connection to the server and try to get the certtificate."""
try:
get_cert(user_input[CONF_HOST], user_input.get(CONF_PORT, DEFAULT_PORT))
return True
except socket.gaierror:
self._errors[CONF_HOST] = "resolve_failed"
except socket.timeout:
self._errors[CONF_HOST] = "connection_timeout"
except OSError:
self._errors[CONF_HOST] = "certificate_fetch_failed"
return False
async def async_step_user(self, user_input=None):
"""Step when user intializes a integration."""
self._errors = {}
if user_input is not None:
# set some defaults in case we need to return to the form
if self._prt_in_configuration_exists(user_input):
self._errors[CONF_HOST] = "host_port_exists"
else:
if self._test_connection(user_input):
host = user_input[CONF_HOST]
name = slugify(user_input.get(CONF_NAME, DEFAULT_NAME))
prt = user_input.get(CONF_PORT, DEFAULT_PORT)
return self.async_create_entry(
title=name, data={CONF_HOST: host, CONF_PORT: prt}
)
else:
user_input = {}
user_input[CONF_NAME] = DEFAULT_NAME
user_input[CONF_HOST] = ""
user_input[CONF_PORT] = DEFAULT_PORT
return self.async_show_form(
step_id="user",
data_schema=vol.Schema(
{
vol.Required(
CONF_NAME, default=user_input.get(CONF_NAME, DEFAULT_NAME)
): str,
vol.Required(CONF_HOST, default=user_input[CONF_HOST]): str,
vol.Required(
CONF_PORT, default=user_input.get(CONF_PORT, DEFAULT_PORT)
): int,
}
),
errors=self._errors,
)
async def async_step_import(self, user_input=None):
"""Import a config entry.
Only host was required in the yaml file all other fields are optional
"""
if self._prt_in_configuration_exists(user_input):
return self.async_abort(reason="host_port_exists")
return await self.async_step_user(user_input)