feat(subsonic): add option to disable getNowPlaying

- Add Subsonic.EnableGetNowPlaying configuration, enabled by default
- Return an empty response when the endpoint is disabled

conf/configuration.go

@@ -190,6 +190,7 @@ type subsonicOptions struct {
 	ArtistParticipations  bool
 	DefaultReportRealPath bool
 	EnableAverageRating   bool
+	EnableGetNowPlaying   bool
 	LegacyClients         string
 	MinimalClients        string
 }
@@ -1068,6 +1069,7 @@ func setViperDefaults() {
 	viper.SetDefault("subsonic.artistparticipations", false)
 	viper.SetDefault("subsonic.defaultreportrealpath", false)
 	viper.SetDefault("subsonic.enableaveragerating", true)
+	viper.SetDefault("subsonic.enablegetnowplaying", true)
 	viper.SetDefault("subsonic.legacyclients", "DSub")
 	viper.SetDefault("subsonic.minimalclients", "SubMusic")
 	viper.SetDefault("transcoding.maxconcurrent", 0)

server/subsonic/album_lists.go

@@ -6,6 +6,7 @@ import (
 	"strconv"
 	"time"
 
+	"github.com/navidrome/navidrome/conf"
 	"github.com/navidrome/navidrome/core/scrobbler"
 	"github.com/navidrome/navidrome/log"
 	"github.com/navidrome/navidrome/model"
@@ -203,6 +204,13 @@ func (api *Router) GetStarred2(r *http.Request) (*responses.Subsonic, error) {
 
 func (api *Router) GetNowPlaying(r *http.Request) (*responses.Subsonic, error) {
 	ctx := r.Context()
+	// Return an empty list rather than an error, so clients degrade gracefully
+	if !conf.Server.Subsonic.EnableGetNowPlaying {
+		response := newResponse()
+		response.NowPlaying = &responses.NowPlaying{}
+		return response, nil
+	}
+
 	npInfo, err := api.scrobbler.GetNowPlaying(ctx)
 	if err != nil {
 		log.Error(r, "Error retrieving now playing list", err)

server/subsonic/e2e/subsonic_album_lists_test.go

@@ -2,6 +2,7 @@ package e2e
 
 import (
 	"github.com/Masterminds/squirrel"
+	"github.com/navidrome/navidrome/conf"
 	"github.com/navidrome/navidrome/model"
 	"github.com/navidrome/navidrome/server/subsonic/responses"
 	. "github.com/onsi/ginkgo/v2"
@@ -239,6 +240,23 @@ var _ = Describe("Album List Endpoints", func() {
 			Expect(resp.NowPlaying).ToNot(BeNil())
 			Expect(resp.NowPlaying.Entry).To(BeEmpty())
 		})
+
+		It("hides active sessions when Subsonic.EnableGetNowPlaying is disabled", func() {
+			songs, err := ds.MediaFile(ctx).GetAll(model.QueryOptions{Max: 1, Sort: "title"})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(songs).ToNot(BeEmpty())
+
+			resp := doReq("reportPlayback", "mediaId", songs[0].ID, "mediaType", "song",
+				"positionMs", "0", "state", "playing")
+			Expect(resp.Status).To(Equal(responses.StatusOK))
+
+			conf.Server.Subsonic.EnableGetNowPlaying = false
+
+			resp = doReq("getNowPlaying")
+
+			Expect(resp.Status).To(Equal(responses.StatusOK))
+			Expect(resp.NowPlaying.Entry).To(BeEmpty())
+		})
 	})
 
 	Describe("GetRandomSongs", func() {