# CSS Streaming HTTP Notifications

## Channel as auxiliary resource

* authorization happens directly on `receiveFrom`
* each resource has a notification channel
* `/.notivications/StreamingHTTPChannel2023/topic={iri}`
* `{iri}.stream`
* disovery
* via Description Resource
* how to add that description?
* via `Link` header `<.stream>; rel="http://www.w3.org/ns/solid/terms#updatesVia"`
* channels don't have to be stored, there is no subscription step
* not allowed to `DELETE`

{
  "@context": [
    "https://www.w3.org/ns/solid/notifications-context/v1"
  ],
  "id": "http://localhost:3000/.notifications/StreamingHTTPChanne2023/{uuid}",
  "type": "StreamingHTTPChannel2023",
  "topic": "http://localhost:3000/alice/xyz",
  "receiveFrom": "http://localhost:3000/alice/xyz.notifications"
}

## Classes

### StreamingHTTPChannel2023Type
### StramingHTTPMap
### StreamingHTTPStorer
### StreamingHTTPStateHandler
### StreamingHTTPListener
### StreamingHTTPEmitter
### StreamingHTTPNotificationHandler

### ListeningActivityHandler

* currently assumes that all channels are in subscription storage