core/homeassistant/components/caldav/config_flow.py

121 lines
4.0 KiB
Python

"""Configuration flow for CalDav."""
from collections.abc import Mapping
import logging
from typing import Any
import caldav
from caldav.lib.error import AuthorizationError, DAVError
import requests
import voluptuous as vol
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_PASSWORD, CONF_URL, CONF_USERNAME, CONF_VERIFY_SSL
from homeassistant.helpers import config_validation as cv
from .const import DOMAIN
_LOGGER = logging.getLogger(__name__)
STEP_USER_DATA_SCHEMA = vol.Schema(
{
vol.Required(CONF_URL): str,
vol.Required(CONF_USERNAME): cv.string,
vol.Optional(CONF_PASSWORD, default=""): cv.string,
vol.Optional(CONF_VERIFY_SSL, default=True): cv.boolean,
}
)
class CalDavConfigFlow(ConfigFlow, domain=DOMAIN):
"""Handle a config flow for caldav."""
VERSION = 1
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle the initial step."""
errors: dict[str, str] = {}
if user_input is not None:
self._async_abort_entries_match(
{
CONF_URL: user_input[CONF_URL],
CONF_USERNAME: user_input[CONF_USERNAME],
}
)
if error := await self._test_connection(user_input):
errors["base"] = error
else:
return self.async_create_entry(
title=user_input[CONF_USERNAME], data=user_input
)
return self.async_show_form(
step_id="user",
data_schema=STEP_USER_DATA_SCHEMA,
errors=errors,
)
async def _test_connection(self, user_input: dict[str, Any]) -> str | None:
"""Test the connection to the CalDAV server and return an error if any."""
client = caldav.DAVClient(
user_input[CONF_URL],
username=user_input[CONF_USERNAME],
password=user_input[CONF_PASSWORD],
ssl_verify_cert=user_input[CONF_VERIFY_SSL],
)
try:
await self.hass.async_add_executor_job(client.principal)
except AuthorizationError as err:
_LOGGER.warning("Authorization Error connecting to CalDAV server: %s", err)
if err.reason == "Unauthorized":
return "invalid_auth"
# AuthorizationError can be raised if the url is incorrect or
# on some other unexpected server response.
return "cannot_connect"
except requests.ConnectionError as err:
_LOGGER.warning("Connection Error connecting to CalDAV server: %s", err)
return "cannot_connect"
except DAVError as err:
_LOGGER.warning("CalDAV client error: %s", err)
return "cannot_connect"
except Exception:
_LOGGER.exception("Unexpected exception")
return "unknown"
return None
async def async_step_reauth(
self, entry_data: Mapping[str, Any]
) -> ConfigFlowResult:
"""Perform reauth upon an API authentication error."""
return await self.async_step_reauth_confirm()
async def async_step_reauth_confirm(
self, user_input: dict[str, str] | None = None
) -> ConfigFlowResult:
"""Confirm reauth dialog."""
errors = {}
reauth_entry = self._get_reauth_entry()
if user_input is not None:
user_input = {**reauth_entry.data, **user_input}
if error := await self._test_connection(user_input):
errors["base"] = error
else:
return self.async_update_reload_and_abort(reauth_entry, data=user_input)
return self.async_show_form(
description_placeholders={
CONF_USERNAME: reauth_entry.data[CONF_USERNAME],
},
step_id="reauth_confirm",
data_schema=vol.Schema(
{
vol.Required(CONF_PASSWORD): str,
}
),
errors=errors,
)