116 lines
4.3 KiB
Python
116 lines
4.3 KiB
Python
"""Config flow for the Cert Expiry platform."""
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import logging
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import socket
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import ssl
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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_PORT, CONF_NAME, CONF_HOST
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from homeassistant.core import HomeAssistant, callback
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from .const import DOMAIN, DEFAULT_PORT, DEFAULT_NAME
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from .helper import get_cert
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_LOGGER = logging.getLogger(__name__)
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@callback
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def certexpiry_entries(hass: HomeAssistant):
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"""Return the host,port tuples for the domain."""
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return set(
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(entry.data[CONF_HOST], entry.data[CONF_PORT])
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for entry in hass.config_entries.async_entries(DOMAIN)
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)
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class CertexpiryConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow."""
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VERSION = 1
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CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
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def __init__(self) -> None:
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"""Initialize the config flow."""
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self._errors = {}
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def _prt_in_configuration_exists(self, user_input) -> bool:
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"""Return True if host, port combination exists in configuration."""
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host = user_input[CONF_HOST]
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port = user_input.get(CONF_PORT, DEFAULT_PORT)
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if (host, port) in certexpiry_entries(self.hass):
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return True
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return False
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async def _test_connection(self, user_input=None):
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"""Test connection to the server and try to get the certtificate."""
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host = user_input[CONF_HOST]
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try:
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await self.hass.async_add_executor_job(
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get_cert, host, user_input.get(CONF_PORT, DEFAULT_PORT)
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)
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return True
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except socket.gaierror:
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_LOGGER.error("Host cannot be resolved: %s", host)
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self._errors[CONF_HOST] = "resolve_failed"
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except socket.timeout:
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_LOGGER.error("Timed out connecting to %s", host)
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self._errors[CONF_HOST] = "connection_timeout"
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except ssl.CertificateError as err:
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if "doesn't match" in err.args[0]:
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_LOGGER.error("Certificate does not match host: %s", host)
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self._errors[CONF_HOST] = "wrong_host"
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else:
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_LOGGER.error("Certificate could not be validated: %s", host)
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self._errors[CONF_HOST] = "certificate_error"
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except ssl.SSLError:
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_LOGGER.error("Certificate could not be validated: %s", host)
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self._errors[CONF_HOST] = "certificate_error"
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return False
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async def async_step_user(self, user_input=None):
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"""Step when user intializes a integration."""
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self._errors = {}
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if user_input is not None:
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# set some defaults in case we need to return to the form
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if self._prt_in_configuration_exists(user_input):
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self._errors[CONF_HOST] = "host_port_exists"
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else:
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if await self._test_connection(user_input):
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return self.async_create_entry(
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title=user_input.get(CONF_NAME, DEFAULT_NAME),
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data={
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CONF_HOST: user_input[CONF_HOST],
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CONF_PORT: user_input.get(CONF_PORT, DEFAULT_PORT),
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},
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)
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else:
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user_input = {}
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user_input[CONF_NAME] = DEFAULT_NAME
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user_input[CONF_HOST] = ""
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user_input[CONF_PORT] = DEFAULT_PORT
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return self.async_show_form(
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step_id="user",
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data_schema=vol.Schema(
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{
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vol.Required(
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CONF_NAME, default=user_input.get(CONF_NAME, DEFAULT_NAME)
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): str,
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vol.Required(CONF_HOST, default=user_input[CONF_HOST]): str,
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vol.Required(
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CONF_PORT, default=user_input.get(CONF_PORT, DEFAULT_PORT)
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): int,
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}
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),
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errors=self._errors,
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)
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async def async_step_import(self, user_input=None):
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"""Import a config entry.
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Only host was required in the yaml file all other fields are optional
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"""
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if self._prt_in_configuration_exists(user_input):
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return self.async_abort(reason="host_port_exists")
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return await self.async_step_user(user_input)
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