core/homeassistant/components/cloud/prefs.py

245 lines
7.9 KiB
Python

"""Preference management for cloud."""
from ipaddress import ip_address
from homeassistant.core import callback
from homeassistant.util.logging import async_create_catching_coro
from .const import (
DOMAIN, PREF_ENABLE_ALEXA, PREF_ENABLE_GOOGLE, PREF_ENABLE_REMOTE,
PREF_GOOGLE_SECURE_DEVICES_PIN, PREF_CLOUDHOOKS, PREF_CLOUD_USER,
PREF_GOOGLE_ENTITY_CONFIGS, PREF_OVERRIDE_NAME, PREF_DISABLE_2FA,
PREF_ALIASES, PREF_SHOULD_EXPOSE, PREF_ALEXA_ENTITY_CONFIGS,
PREF_ALEXA_REPORT_STATE, DEFAULT_ALEXA_REPORT_STATE,
InvalidTrustedNetworks, InvalidTrustedProxies)
STORAGE_KEY = DOMAIN
STORAGE_VERSION = 1
_UNDEF = object()
class CloudPreferences:
"""Handle cloud preferences."""
def __init__(self, hass):
"""Initialize cloud prefs."""
self._hass = hass
self._store = hass.helpers.storage.Store(STORAGE_VERSION, STORAGE_KEY)
self._prefs = None
self._listeners = []
async def async_initialize(self):
"""Finish initializing the preferences."""
prefs = await self._store.async_load()
if prefs is None:
prefs = {
PREF_ENABLE_ALEXA: True,
PREF_ENABLE_GOOGLE: True,
PREF_ENABLE_REMOTE: False,
PREF_GOOGLE_SECURE_DEVICES_PIN: None,
PREF_GOOGLE_ENTITY_CONFIGS: {},
PREF_ALEXA_ENTITY_CONFIGS: {},
PREF_CLOUDHOOKS: {},
PREF_CLOUD_USER: None,
}
self._prefs = prefs
@callback
def async_listen_updates(self, listener):
"""Listen for updates to the preferences."""
self._listeners.append(listener)
async def async_update(self, *, google_enabled=_UNDEF,
alexa_enabled=_UNDEF, remote_enabled=_UNDEF,
google_secure_devices_pin=_UNDEF, cloudhooks=_UNDEF,
cloud_user=_UNDEF, google_entity_configs=_UNDEF,
alexa_entity_configs=_UNDEF,
alexa_report_state=_UNDEF):
"""Update user preferences."""
for key, value in (
(PREF_ENABLE_GOOGLE, google_enabled),
(PREF_ENABLE_ALEXA, alexa_enabled),
(PREF_ENABLE_REMOTE, remote_enabled),
(PREF_GOOGLE_SECURE_DEVICES_PIN, google_secure_devices_pin),
(PREF_CLOUDHOOKS, cloudhooks),
(PREF_CLOUD_USER, cloud_user),
(PREF_GOOGLE_ENTITY_CONFIGS, google_entity_configs),
(PREF_ALEXA_ENTITY_CONFIGS, alexa_entity_configs),
(PREF_ALEXA_REPORT_STATE, alexa_report_state),
):
if value is not _UNDEF:
self._prefs[key] = value
if remote_enabled is True and self._has_local_trusted_network:
self._prefs[PREF_ENABLE_REMOTE] = False
raise InvalidTrustedNetworks
if remote_enabled is True and self._has_local_trusted_proxies:
self._prefs[PREF_ENABLE_REMOTE] = False
raise InvalidTrustedProxies
await self._store.async_save(self._prefs)
for listener in self._listeners:
self._hass.async_create_task(
async_create_catching_coro(listener(self))
)
async def async_update_google_entity_config(
self, *, entity_id, override_name=_UNDEF, disable_2fa=_UNDEF,
aliases=_UNDEF, should_expose=_UNDEF):
"""Update config for a Google entity."""
entities = self.google_entity_configs
entity = entities.get(entity_id, {})
changes = {}
for key, value in (
(PREF_OVERRIDE_NAME, override_name),
(PREF_DISABLE_2FA, disable_2fa),
(PREF_ALIASES, aliases),
(PREF_SHOULD_EXPOSE, should_expose),
):
if value is not _UNDEF:
changes[key] = value
if not changes:
return
updated_entity = {
**entity,
**changes,
}
updated_entities = {
**entities,
entity_id: updated_entity,
}
await self.async_update(google_entity_configs=updated_entities)
async def async_update_alexa_entity_config(
self, *, entity_id, should_expose=_UNDEF):
"""Update config for an Alexa entity."""
entities = self.alexa_entity_configs
entity = entities.get(entity_id, {})
changes = {}
for key, value in (
(PREF_SHOULD_EXPOSE, should_expose),
):
if value is not _UNDEF:
changes[key] = value
if not changes:
return
updated_entity = {
**entity,
**changes,
}
updated_entities = {
**entities,
entity_id: updated_entity,
}
await self.async_update(alexa_entity_configs=updated_entities)
def as_dict(self):
"""Return dictionary version."""
return {
PREF_ENABLE_ALEXA: self.alexa_enabled,
PREF_ENABLE_GOOGLE: self.google_enabled,
PREF_ENABLE_REMOTE: self.remote_enabled,
PREF_GOOGLE_SECURE_DEVICES_PIN: self.google_secure_devices_pin,
PREF_GOOGLE_ENTITY_CONFIGS: self.google_entity_configs,
PREF_ALEXA_ENTITY_CONFIGS: self.alexa_entity_configs,
PREF_ALEXA_REPORT_STATE: self.alexa_report_state,
PREF_CLOUDHOOKS: self.cloudhooks,
PREF_CLOUD_USER: self.cloud_user,
}
@property
def remote_enabled(self):
"""Return if remote is enabled on start."""
enabled = self._prefs.get(PREF_ENABLE_REMOTE, False)
if not enabled:
return False
if self._has_local_trusted_network or self._has_local_trusted_proxies:
return False
return True
@property
def alexa_enabled(self):
"""Return if Alexa is enabled."""
return self._prefs[PREF_ENABLE_ALEXA]
@property
def alexa_report_state(self):
"""Return if Alexa report state is enabled."""
return self._prefs.get(PREF_ALEXA_REPORT_STATE,
DEFAULT_ALEXA_REPORT_STATE)
@property
def google_enabled(self):
"""Return if Google is enabled."""
return self._prefs[PREF_ENABLE_GOOGLE]
@property
def google_secure_devices_pin(self):
"""Return if Google is allowed to unlock locks."""
return self._prefs.get(PREF_GOOGLE_SECURE_DEVICES_PIN)
@property
def google_entity_configs(self):
"""Return Google Entity configurations."""
return self._prefs.get(PREF_GOOGLE_ENTITY_CONFIGS, {})
@property
def alexa_entity_configs(self):
"""Return Alexa Entity configurations."""
return self._prefs.get(PREF_ALEXA_ENTITY_CONFIGS, {})
@property
def cloudhooks(self):
"""Return the published cloud webhooks."""
return self._prefs.get(PREF_CLOUDHOOKS, {})
@property
def cloud_user(self) -> str:
"""Return ID from Home Assistant Cloud system user."""
return self._prefs.get(PREF_CLOUD_USER)
@property
def _has_local_trusted_network(self) -> bool:
"""Return if we allow localhost to bypass auth."""
local4 = ip_address('127.0.0.1')
local6 = ip_address('::1')
for prv in self._hass.auth.auth_providers:
if prv.type != 'trusted_networks':
continue
for network in prv.trusted_networks:
if local4 in network or local6 in network:
return True
return False
@property
def _has_local_trusted_proxies(self) -> bool:
"""Return if we allow localhost to be a proxy and use its data."""
if not hasattr(self._hass, 'http'):
return False
local4 = ip_address('127.0.0.1')
local6 = ip_address('::1')
if any(local4 in nwk or local6 in nwk
for nwk in self._hass.http.trusted_proxies):
return True
return False