Add web push notifications for new inbox items

internal/server/push.go

@@ -0,0 +1,63 @@
+package server
+
+import (
+	"errors"
+	"net/http"
+	"net/url"
+
+	"g.fc.run/misc/byre/internal/api"
+	"g.fc.run/misc/byre/internal/store"
+)
+
+func (s *Server) UpdateNotificationPrefs(w http.ResponseWriter, r *http.Request) {
+	req := api.NotificationPrefs{}
+	if !readJSON(w, r, &req) {
+		return
+	}
+
+	u, err := s.store.UpdateNotificationPrefs(r.Context(), actor(r), req)
+	if err != nil {
+		writeStoreError(w, err)
+		return
+	}
+	writeJSON(w, http.StatusOK, u)
+}
+
+func (s *Server) AddPushSubscription(w http.ResponseWriter, r *http.Request) {
+	req := api.PushSubscription{}
+	if !readJSON(w, r, &req) {
+		return
+	}
+
+	endpoint, err := url.Parse(req.Endpoint)
+	if err != nil || endpoint.Scheme != "https" || endpoint.Host == "" || req.P256dh == "" || req.Auth == "" {
+		writeError(w, http.StatusBadRequest, errors.New("an https endpoint, p256dh and auth are required"))
+		return
+	}
+
+	err = s.store.AddPushSubscription(r.Context(), store.PushSubscription{
+		Endpoint:   req.Endpoint,
+		UserLogin:  actor(r),
+		P256dh:     req.P256dh,
+		Auth:       req.Auth,
+		Subscriber: "https://" + r.Host,
+	})
+	if err != nil {
+		writeStoreError(w, err)
+		return
+	}
+	w.WriteHeader(http.StatusNoContent)
+}
+
+func (s *Server) RemovePushSubscription(w http.ResponseWriter, r *http.Request, params api.RemovePushSubscriptionParams) {
+	err := s.store.RemovePushSubscription(r.Context(), params.Endpoint, actor(r), actor(r))
+	if err != nil {
+		writeStoreError(w, err)
+		return
+	}
+	w.WriteHeader(http.StatusNoContent)
+}
+
+func (s *Server) GetPushKey(w http.ResponseWriter, r *http.Request) {
+	writeJSON(w, http.StatusOK, api.PushKey{PublicKey: s.notifier.PublicKey()})
+}