mirror of
https://github.com/home-assistant/core
synced 2024-09-03 08:14:07 +02:00
178 lines
5.4 KiB
Python
178 lines
5.4 KiB
Python
"""Adds config flow for dnsip integration."""
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from __future__ import annotations
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import asyncio
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import contextlib
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from typing import Any
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import aiodns
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from aiodns.error import DNSError
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import voluptuous as vol
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from homeassistant import config_entries
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from homeassistant.const import CONF_NAME
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from homeassistant.core import callback
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from homeassistant.data_entry_flow import FlowResult
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import homeassistant.helpers.config_validation as cv
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from .const import (
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CONF_HOSTNAME,
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CONF_IPV4,
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CONF_IPV6,
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CONF_RESOLVER,
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CONF_RESOLVER_IPV6,
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DEFAULT_HOSTNAME,
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DEFAULT_NAME,
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DEFAULT_RESOLVER,
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DEFAULT_RESOLVER_IPV6,
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DOMAIN,
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)
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DATA_SCHEMA = vol.Schema(
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{
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vol.Required(CONF_HOSTNAME, default=DEFAULT_HOSTNAME): cv.string,
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}
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)
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DATA_SCHEMA_ADV = vol.Schema(
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{
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vol.Required(CONF_HOSTNAME, default=DEFAULT_HOSTNAME): cv.string,
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vol.Optional(CONF_RESOLVER, default=DEFAULT_RESOLVER): cv.string,
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vol.Optional(CONF_RESOLVER_IPV6, default=DEFAULT_RESOLVER_IPV6): cv.string,
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}
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)
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async def async_validate_hostname(
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hostname: str, resolver_ipv4: str, resolver_ipv6: str
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) -> dict[str, bool]:
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"""Validate hostname."""
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async def async_check(hostname: str, resolver: str, qtype: str) -> bool:
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"""Return if able to resolve hostname."""
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result = False
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with contextlib.suppress(DNSError):
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result = bool(
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await aiodns.DNSResolver(nameservers=[resolver]).query(hostname, qtype)
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)
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return result
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result: dict[str, bool] = {}
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tasks = await asyncio.gather(
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async_check(hostname, resolver_ipv4, "A"),
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async_check(hostname, resolver_ipv6, "AAAA"),
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)
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result[CONF_IPV4] = tasks[0]
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result[CONF_IPV6] = tasks[1]
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return result
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class DnsIPConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for dnsip integration."""
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VERSION = 1
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@staticmethod
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@callback
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def async_get_options_flow(
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config_entry: config_entries.ConfigEntry,
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) -> DnsIPOptionsFlowHandler:
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"""Return Option handler."""
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return DnsIPOptionsFlowHandler(config_entry)
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async def async_step_user(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Handle the initial step."""
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errors = {}
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if user_input:
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hostname = user_input[CONF_HOSTNAME]
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name = DEFAULT_NAME if hostname == DEFAULT_HOSTNAME else hostname
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resolver = user_input.get(CONF_RESOLVER, DEFAULT_RESOLVER)
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resolver_ipv6 = user_input.get(CONF_RESOLVER_IPV6, DEFAULT_RESOLVER_IPV6)
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validate = await async_validate_hostname(hostname, resolver, resolver_ipv6)
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if not validate[CONF_IPV4] and not validate[CONF_IPV6]:
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errors["base"] = "invalid_hostname"
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else:
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await self.async_set_unique_id(hostname)
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self._abort_if_unique_id_configured()
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return self.async_create_entry(
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title=name,
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data={
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CONF_HOSTNAME: hostname,
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CONF_NAME: name,
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CONF_IPV4: validate[CONF_IPV4],
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CONF_IPV6: validate[CONF_IPV6],
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},
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options={
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CONF_RESOLVER: resolver,
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CONF_RESOLVER_IPV6: resolver_ipv6,
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},
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)
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if self.show_advanced_options is True:
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return self.async_show_form(
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step_id="user",
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data_schema=DATA_SCHEMA_ADV,
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errors=errors,
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)
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return self.async_show_form(
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step_id="user",
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data_schema=DATA_SCHEMA,
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errors=errors,
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)
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class DnsIPOptionsFlowHandler(config_entries.OptionsFlow):
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"""Handle a option config flow for dnsip integration."""
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def __init__(self, entry: config_entries.ConfigEntry) -> None:
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"""Initialize options flow."""
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self.entry = entry
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async def async_step_init(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Manage the options."""
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errors = {}
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if user_input is not None:
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validate = await async_validate_hostname(
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self.entry.data[CONF_HOSTNAME],
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user_input[CONF_RESOLVER],
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user_input[CONF_RESOLVER_IPV6],
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)
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if validate[CONF_IPV4] is False and self.entry.data[CONF_IPV4] is True:
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errors[CONF_RESOLVER] = "invalid_resolver"
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elif validate[CONF_IPV6] is False and self.entry.data[CONF_IPV6] is True:
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errors[CONF_RESOLVER_IPV6] = "invalid_resolver"
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else:
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return self.async_create_entry(title=self.entry.title, data=user_input)
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return self.async_show_form(
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step_id="init",
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data_schema=vol.Schema(
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{
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vol.Optional(
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CONF_RESOLVER,
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default=self.entry.options.get(CONF_RESOLVER, DEFAULT_RESOLVER),
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): cv.string,
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vol.Optional(
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CONF_RESOLVER_IPV6,
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default=self.entry.options.get(
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CONF_RESOLVER_IPV6, DEFAULT_RESOLVER_IPV6
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),
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): cv.string,
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}
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),
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errors=errors,
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)
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