92 lines
2.3 KiB
Python
92 lines
2.3 KiB
Python
"""Integrate with DuckDNS."""
|
|
from datetime import timedelta
|
|
import logging
|
|
|
|
import voluptuous as vol
|
|
|
|
from homeassistant.const import CONF_ACCESS_TOKEN, CONF_DOMAIN
|
|
import homeassistant.helpers.config_validation as cv
|
|
from homeassistant.helpers.event import async_track_time_interval
|
|
from homeassistant.helpers.aiohttp_client import async_get_clientsession
|
|
|
|
_LOGGER = logging.getLogger(__name__)
|
|
|
|
ATTR_TXT = "txt"
|
|
|
|
DOMAIN = "duckdns"
|
|
|
|
INTERVAL = timedelta(minutes=5)
|
|
|
|
SERVICE_SET_TXT = "set_txt"
|
|
|
|
UPDATE_URL = "https://www.duckdns.org/update"
|
|
|
|
CONFIG_SCHEMA = vol.Schema(
|
|
{
|
|
DOMAIN: vol.Schema(
|
|
{
|
|
vol.Required(CONF_DOMAIN): cv.string,
|
|
vol.Required(CONF_ACCESS_TOKEN): cv.string,
|
|
}
|
|
)
|
|
},
|
|
extra=vol.ALLOW_EXTRA,
|
|
)
|
|
|
|
SERVICE_TXT_SCHEMA = vol.Schema({vol.Required(ATTR_TXT): vol.Any(None, cv.string)})
|
|
|
|
|
|
async def async_setup(hass, config):
|
|
"""Initialize the DuckDNS component."""
|
|
domain = config[DOMAIN][CONF_DOMAIN]
|
|
token = config[DOMAIN][CONF_ACCESS_TOKEN]
|
|
session = async_get_clientsession(hass)
|
|
|
|
result = await _update_duckdns(session, domain, token)
|
|
|
|
if not result:
|
|
return False
|
|
|
|
async def update_domain_interval(now):
|
|
"""Update the DuckDNS entry."""
|
|
await _update_duckdns(session, domain, token)
|
|
|
|
async def update_domain_service(call):
|
|
"""Update the DuckDNS entry."""
|
|
await _update_duckdns(session, domain, token, txt=call.data[ATTR_TXT])
|
|
|
|
async_track_time_interval(hass, update_domain_interval, INTERVAL)
|
|
hass.services.async_register(
|
|
DOMAIN, SERVICE_SET_TXT, update_domain_service, schema=SERVICE_TXT_SCHEMA
|
|
)
|
|
|
|
return result
|
|
|
|
|
|
_SENTINEL = object()
|
|
|
|
|
|
async def _update_duckdns(session, domain, token, *, txt=_SENTINEL, clear=False):
|
|
"""Update DuckDNS."""
|
|
params = {"domains": domain, "token": token}
|
|
|
|
if txt is not _SENTINEL:
|
|
if txt is None:
|
|
# Pass in empty txt value to indicate it's clearing txt record
|
|
params["txt"] = ""
|
|
clear = True
|
|
else:
|
|
params["txt"] = txt
|
|
|
|
if clear:
|
|
params["clear"] = "true"
|
|
|
|
resp = await session.get(UPDATE_URL, params=params)
|
|
body = await resp.text()
|
|
|
|
if body != "OK":
|
|
_LOGGER.warning("Updating DuckDNS domain failed: %s", domain)
|
|
return False
|
|
|
|
return True
|