supervisor/hassio/api/services.py
2019-05-27 12:35:06 +02:00

83 lines
2.4 KiB
Python

"""Init file for Hass.io network RESTful API."""
from .utils import api_process, api_validate
from ..const import (
ATTR_AVAILABLE,
ATTR_PROVIDERS,
ATTR_SLUG,
ATTR_SERVICES,
REQUEST_FROM,
PROVIDE_SERVICE,
)
from ..coresys import CoreSysAttributes
from ..exceptions import APIError, APIForbidden
class APIServices(CoreSysAttributes):
"""Handle RESTful API for services functions."""
def _extract_service(self, request):
"""Return service, throw an exception if it doesn't exist."""
service = self.sys_services.get(request.match_info.get("service"))
if not service:
raise APIError("Service does not exist")
return service
@api_process
async def list(self, request):
"""Show register services."""
services = []
for service in self.sys_services.list_services:
services.append(
{
ATTR_SLUG: service.slug,
ATTR_AVAILABLE: service.enabled,
ATTR_PROVIDERS: service.providers,
}
)
return {ATTR_SERVICES: services}
@api_process
async def set_service(self, request):
"""Write data into a service."""
service = self._extract_service(request)
body = await api_validate(service.schema, request)
addon = request[REQUEST_FROM]
_check_access(request, service.slug)
service.set_service_data(addon, body)
@api_process
async def get_service(self, request):
"""Read data into a service."""
service = self._extract_service(request)
# Access
_check_access(request, service.slug)
if not service.enabled:
raise APIError("Service not enabled")
return service.get_service_data()
@api_process
async def del_service(self, request):
"""Delete data into a service."""
service = self._extract_service(request)
addon = request[REQUEST_FROM]
# Access
_check_access(request, service.slug, True)
service.del_service_data(addon)
def _check_access(request, service, provide=False):
"""Raise error if the rights are wrong."""
addon = request[REQUEST_FROM]
if not addon.services_role.get(service):
raise APIForbidden(f"No access to {service} service!")
if provide and addon.services_role.get(service) != PROVIDE_SERVICE:
raise APIForbidden(f"No access to write {service} service!")