Function handleJSON

client/web/web.go:534–552

handleJSON manages decoding the request's body JSON as data and passing it on to the provided handler function.

(h func(ctx context.Context, data data) error)

// handleJSON manages decoding the request's body JSON as data and passing it
// on to the provided handler function.
func handleJSON[data any](h func(ctx context.Context, data data) error) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		defer r.Body.Close()
		var body data
		if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		if err := h(r.Context(), body); err != nil {
			if httpErr, ok := errors.AsType[tsweb.HTTPError](err); ok {
				tsweb.WriteHTTPError(w, r, httpErr)
			} else {
				http.Error(w, err.Error(), http.StatusInternalServerError)
			}
			return
		}
		w.WriteHeader(http.StatusOK)
	}
}

var contextKeyPeer = ctxkey.New("peer-capabilities", peerCapabilities{})