core/homeassistant/components/isy994/config_flow.py

282 lines
9.4 KiB
Python

"""Config flow for Universal Devices ISY994 integration."""
import logging
from urllib.parse import urlparse, urlunparse
from aiohttp import CookieJar
import async_timeout
from pyisy import ISYConnectionError, ISYInvalidAuthError, ISYResponseParseError
from pyisy.configuration import Configuration
from pyisy.connection import Connection
import voluptuous as vol
from homeassistant import config_entries, core, data_entry_flow, exceptions
from homeassistant.components import dhcp, ssdp
from homeassistant.const import CONF_HOST, CONF_NAME, CONF_PASSWORD, CONF_USERNAME
from homeassistant.core import callback
from homeassistant.helpers import aiohttp_client
from .const import (
CONF_IGNORE_STRING,
CONF_RESTORE_LIGHT_STATE,
CONF_SENSOR_STRING,
CONF_TLS_VER,
CONF_VAR_SENSOR_STRING,
DEFAULT_IGNORE_STRING,
DEFAULT_RESTORE_LIGHT_STATE,
DEFAULT_SENSOR_STRING,
DEFAULT_TLS_VERSION,
DEFAULT_VAR_SENSOR_STRING,
DOMAIN,
HTTP_PORT,
HTTPS_PORT,
ISY_URL_POSTFIX,
SCHEME_HTTP,
SCHEME_HTTPS,
UDN_UUID_PREFIX,
)
_LOGGER = logging.getLogger(__name__)
def _data_schema(schema_input):
"""Generate schema with defaults."""
return vol.Schema(
{
vol.Required(CONF_HOST, default=schema_input.get(CONF_HOST, "")): str,
vol.Required(CONF_USERNAME): str,
vol.Required(CONF_PASSWORD): str,
vol.Optional(CONF_TLS_VER, default=DEFAULT_TLS_VERSION): vol.In([1.1, 1.2]),
},
extra=vol.ALLOW_EXTRA,
)
async def validate_input(hass: core.HomeAssistant, data):
"""Validate the user input allows us to connect.
Data has the keys from DATA_SCHEMA with values provided by the user.
"""
user = data[CONF_USERNAME]
password = data[CONF_PASSWORD]
host = urlparse(data[CONF_HOST])
tls_version = data.get(CONF_TLS_VER)
if host.scheme == SCHEME_HTTP:
https = False
port = host.port or HTTP_PORT
session = aiohttp_client.async_create_clientsession(
hass, verify_ssl=None, cookie_jar=CookieJar(unsafe=True)
)
elif host.scheme == SCHEME_HTTPS:
https = True
port = host.port or HTTPS_PORT
session = aiohttp_client.async_get_clientsession(hass)
else:
_LOGGER.error("The isy994 host value in configuration is invalid")
raise InvalidHost
# Connect to ISY controller.
isy_conn = Connection(
host.hostname,
port,
user,
password,
use_https=https,
tls_ver=tls_version,
webroot=host.path,
websession=session,
)
try:
async with async_timeout.timeout(30):
isy_conf_xml = await isy_conn.test_connection()
except ISYInvalidAuthError as error:
raise InvalidAuth from error
except ISYConnectionError as error:
raise CannotConnect from error
try:
isy_conf = Configuration(xml=isy_conf_xml)
except ISYResponseParseError as error:
raise CannotConnect from error
if not isy_conf or "name" not in isy_conf or not isy_conf["name"]:
raise CannotConnect
# Return info that you want to store in the config entry.
return {"title": f"{isy_conf['name']} ({host.hostname})", "uuid": isy_conf["uuid"]}
class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
"""Handle a config flow for Universal Devices ISY994."""
VERSION = 1
def __init__(self) -> None:
"""Initialize the isy994 config flow."""
self.discovered_conf = {}
@staticmethod
@callback
def async_get_options_flow(config_entry):
"""Get the options flow for this handler."""
return OptionsFlowHandler(config_entry)
async def async_step_user(self, user_input=None):
"""Handle the initial step."""
errors = {}
info = None
if user_input is not None:
try:
info = await validate_input(self.hass, user_input)
except CannotConnect:
errors["base"] = "cannot_connect"
except InvalidHost:
errors["base"] = "invalid_host"
except InvalidAuth:
errors["base"] = "invalid_auth"
except Exception: # pylint: disable=broad-except
_LOGGER.exception("Unexpected exception")
errors["base"] = "unknown"
if not errors:
await self.async_set_unique_id(info["uuid"], raise_on_progress=False)
self._abort_if_unique_id_configured()
return self.async_create_entry(title=info["title"], data=user_input)
return self.async_show_form(
step_id="user",
data_schema=_data_schema(self.discovered_conf),
errors=errors,
)
async def async_step_import(self, user_input):
"""Handle import."""
return await self.async_step_user(user_input)
async def _async_set_unique_id_or_update(self, isy_mac, ip_address, port) -> None:
"""Abort and update the ip address on change."""
existing_entry = await self.async_set_unique_id(isy_mac)
if not existing_entry:
return
parsed_url = urlparse(existing_entry.data[CONF_HOST])
if parsed_url.hostname != ip_address:
new_netloc = ip_address
if port:
new_netloc = f"{ip_address}:{port}"
elif parsed_url.port:
new_netloc = f"{ip_address}:{parsed_url.port}"
self.hass.config_entries.async_update_entry(
existing_entry,
data={
**existing_entry.data,
CONF_HOST: urlunparse(
(
parsed_url.scheme,
new_netloc,
parsed_url.path,
parsed_url.query,
parsed_url.fragment,
None,
)
),
},
)
raise data_entry_flow.AbortFlow("already_configured")
async def async_step_dhcp(
self, discovery_info: dhcp.DhcpServiceInfo
) -> data_entry_flow.FlowResult:
"""Handle a discovered isy994 via dhcp."""
friendly_name = discovery_info.hostname
url = f"http://{discovery_info.ip}"
mac = discovery_info.macaddress
isy_mac = (
f"{mac[0:2]}:{mac[2:4]}:{mac[4:6]}:{mac[6:8]}:{mac[8:10]}:{mac[10:12]}"
)
await self._async_set_unique_id_or_update(isy_mac, discovery_info.ip, None)
self.discovered_conf = {
CONF_NAME: friendly_name,
CONF_HOST: url,
}
self.context["title_placeholders"] = self.discovered_conf
return await self.async_step_user()
async def async_step_ssdp(
self, discovery_info: ssdp.SsdpServiceInfo
) -> data_entry_flow.FlowResult:
"""Handle a discovered isy994."""
friendly_name = discovery_info.upnp[ssdp.ATTR_UPNP_FRIENDLY_NAME]
url = discovery_info.ssdp_location
parsed_url = urlparse(url)
mac = discovery_info.upnp[ssdp.ATTR_UPNP_UDN]
if mac.startswith(UDN_UUID_PREFIX):
mac = mac[len(UDN_UUID_PREFIX) :]
if url.endswith(ISY_URL_POSTFIX):
url = url[: -len(ISY_URL_POSTFIX)]
port = HTTP_PORT
if parsed_url.port:
port = parsed_url.port
elif parsed_url.scheme == SCHEME_HTTPS:
port = HTTPS_PORT
await self._async_set_unique_id_or_update(mac, parsed_url.hostname, port)
self.discovered_conf = {
CONF_NAME: friendly_name,
CONF_HOST: url,
}
self.context["title_placeholders"] = self.discovered_conf
return await self.async_step_user()
class OptionsFlowHandler(config_entries.OptionsFlow):
"""Handle a option flow for isy994."""
def __init__(self, config_entry: config_entries.ConfigEntry) -> None:
"""Initialize options flow."""
self.config_entry = config_entry
async def async_step_init(self, user_input=None):
"""Handle options flow."""
if user_input is not None:
return self.async_create_entry(title="", data=user_input)
options = self.config_entry.options
restore_light_state = options.get(
CONF_RESTORE_LIGHT_STATE, DEFAULT_RESTORE_LIGHT_STATE
)
ignore_string = options.get(CONF_IGNORE_STRING, DEFAULT_IGNORE_STRING)
sensor_string = options.get(CONF_SENSOR_STRING, DEFAULT_SENSOR_STRING)
var_sensor_string = options.get(
CONF_VAR_SENSOR_STRING, DEFAULT_VAR_SENSOR_STRING
)
options_schema = vol.Schema(
{
vol.Optional(CONF_IGNORE_STRING, default=ignore_string): str,
vol.Optional(CONF_SENSOR_STRING, default=sensor_string): str,
vol.Optional(CONF_VAR_SENSOR_STRING, default=var_sensor_string): str,
vol.Required(
CONF_RESTORE_LIGHT_STATE, default=restore_light_state
): bool,
}
)
return self.async_show_form(step_id="init", data_schema=options_schema)
class InvalidHost(exceptions.HomeAssistantError):
"""Error to indicate the host value is invalid."""
class CannotConnect(exceptions.HomeAssistantError):
"""Error to indicate we cannot connect."""
class InvalidAuth(exceptions.HomeAssistantError):
"""Error to indicate there is invalid auth."""