core/homeassistant/components/alexa/flash_briefings.py

126 lines
4.2 KiB
Python

"""Support for Alexa skill service end point."""
import hmac
from http import HTTPStatus
import logging
import uuid
from aiohttp.web_response import StreamResponse
from homeassistant.components import http
from homeassistant.const import CONF_PASSWORD
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers import template
from homeassistant.helpers.typing import ConfigType
import homeassistant.util.dt as dt_util
from .const import (
API_PASSWORD,
ATTR_MAIN_TEXT,
ATTR_REDIRECTION_URL,
ATTR_STREAM_URL,
ATTR_TITLE_TEXT,
ATTR_UID,
ATTR_UPDATE_DATE,
CONF_AUDIO,
CONF_DISPLAY_URL,
CONF_TEXT,
CONF_TITLE,
CONF_UID,
DATE_FORMAT,
)
_LOGGER = logging.getLogger(__name__)
FLASH_BRIEFINGS_API_ENDPOINT = "/api/alexa/flash_briefings/{briefing_id}"
@callback
def async_setup(hass: HomeAssistant, flash_briefing_config: ConfigType) -> None:
"""Activate Alexa component."""
hass.http.register_view(AlexaFlashBriefingView(hass, flash_briefing_config))
class AlexaFlashBriefingView(http.HomeAssistantView):
"""Handle Alexa Flash Briefing skill requests."""
url = FLASH_BRIEFINGS_API_ENDPOINT
requires_auth = False
name = "api:alexa:flash_briefings"
def __init__(self, hass: HomeAssistant, flash_briefings: ConfigType) -> None:
"""Initialize Alexa view."""
super().__init__()
self.flash_briefings = flash_briefings
@callback
def get(
self, request: http.HomeAssistantRequest, briefing_id: str
) -> StreamResponse | tuple[bytes, HTTPStatus]:
"""Handle Alexa Flash Briefing request."""
_LOGGER.debug("Received Alexa flash briefing request for: %s", briefing_id)
if request.query.get(API_PASSWORD) is None:
err = "No password provided for Alexa flash briefing: %s"
_LOGGER.error(err, briefing_id)
return b"", HTTPStatus.UNAUTHORIZED
if not hmac.compare_digest(
request.query[API_PASSWORD].encode("utf-8"),
self.flash_briefings[CONF_PASSWORD].encode("utf-8"),
):
err = "Wrong password for Alexa flash briefing: %s"
_LOGGER.error(err, briefing_id)
return b"", HTTPStatus.UNAUTHORIZED
if not isinstance(self.flash_briefings.get(briefing_id), list):
err = "No configured Alexa flash briefing was found for: %s"
_LOGGER.error(err, briefing_id)
return b"", HTTPStatus.NOT_FOUND
briefing = []
for item in self.flash_briefings.get(briefing_id, []):
output = {}
if item.get(CONF_TITLE) is not None:
if isinstance(item.get(CONF_TITLE), template.Template):
output[ATTR_TITLE_TEXT] = item[CONF_TITLE].async_render(
parse_result=False
)
else:
output[ATTR_TITLE_TEXT] = item.get(CONF_TITLE)
if item.get(CONF_TEXT) is not None:
if isinstance(item.get(CONF_TEXT), template.Template):
output[ATTR_MAIN_TEXT] = item[CONF_TEXT].async_render(
parse_result=False
)
else:
output[ATTR_MAIN_TEXT] = item.get(CONF_TEXT)
if (uid := item.get(CONF_UID)) is None:
uid = str(uuid.uuid4())
output[ATTR_UID] = uid
if item.get(CONF_AUDIO) is not None:
if isinstance(item.get(CONF_AUDIO), template.Template):
output[ATTR_STREAM_URL] = item[CONF_AUDIO].async_render(
parse_result=False
)
else:
output[ATTR_STREAM_URL] = item.get(CONF_AUDIO)
if item.get(CONF_DISPLAY_URL) is not None:
if isinstance(item.get(CONF_DISPLAY_URL), template.Template):
output[ATTR_REDIRECTION_URL] = item[CONF_DISPLAY_URL].async_render(
parse_result=False
)
else:
output[ATTR_REDIRECTION_URL] = item.get(CONF_DISPLAY_URL)
output[ATTR_UPDATE_DATE] = dt_util.utcnow().strftime(DATE_FORMAT)
briefing.append(output)
return self.json(briefing)