Home Assistant custom component for hello world auth test.

__init__.py

"""Custom Component"""
import asyncio
import logging
from homeassistant.components.http import KEY_AUTHENTICATED, KEY_HASS_USER, HomeAssistantView

_LOGGER = logging.getLogger(__name__)

DOMAIN = "my_component"

async def async_setup(hass, config):
    """Setup integration."""
    hass.http.register_view(HelloWorldView())
    return True

class HelloWorldView(HomeAssistantView):
    url = "/api/my_component"
    name = "api:my_component"
    requires_auth = True

    def get(self, request):
        _LOGGER.debug(request[KEY_AUTHENTICATED])
        _LOGGER.debug(request[KEY_HASS_USER].id)
        _LOGGER.debug(request[KEY_HASS_USER].is_admin)
        return self.json({"message": "Hello, World!"}, status_code=200)

manifest.json

{
  "domain": "my_component",
  "name": "My Component",
  "dependencies": ["http"],
  "requirements": [],
  "config_flow": false,
  "codeowners": [],
  "iot_class": "local_polling",
  "version": "1.0.0"
}