Don't send scrobbles/nowPlaying updates to Last.fm if user has not authorized

core/agents/lastfm/agent.go

@@ -203,6 +203,11 @@ func (l *lastfmAgent) Scrobble(ctx context.Context, userId string, scrobbles []s
 	return nil
 }
 
+func (l *lastfmAgent) IsAuthorized(ctx context.Context, userId string) bool {
+	sk, err := l.sessionKeys.get(ctx, userId)
+	return err == nil && sk != ""
+}
+
 func init() {
 	conf.AddHook(func() {
 		if conf.Server.LastFM.Enabled {

core/scrobbler/broker.go

@@ -66,9 +66,12 @@ func (s *broker) dispatchNowPlaying(ctx context.Context, userId string, trackId
 	}
 	// TODO Parallelize
 	for name, constructor := range scrobblers {
-		log.Debug(ctx, "Sending NowPlaying info", "scrobbler", name, "track", t.Title, "artist", t.Artist)
 		err := func() error {
 			s := constructor(s.ds)
+			if !s.IsAuthorized(ctx, userId) {
+				return nil
+			}
+			log.Debug(ctx, "Sending NowPlaying info", "scrobbler", name, "track", t.Title, "artist", t.Artist)
 			return s.NowPlaying(ctx, userId, t)
 		}()
 		if err != nil {
@@ -104,13 +107,16 @@ func (s *broker) Submit(ctx context.Context, trackId string, playTime time.Time)
 	scrobbles := []Scrobble{{MediaFile: *t, TimeStamp: playTime}}
 	// TODO Parallelize
 	for name, constructor := range scrobblers {
-		log.Debug(ctx, "Sending NowPlaying info", "scrobbler", name, "track", t.Title, "artist", t.Artist)
 		err := func() error {
 			s := constructor(s.ds)
+			if !s.IsAuthorized(ctx, u.ID) {
+				return nil
+			}
+			log.Debug(ctx, "Sending Scrobble", "scrobbler", name, "track", t.Title, "artist", t.Artist)
 			return s.Scrobble(ctx, u.ID, scrobbles)
 		}()
 		if err != nil {
-			log.Error(ctx, "Error sending NowPlayingInfo", "scrobbler", name, "track", t.Title, "artist", t.Artist, err)
+			log.Error(ctx, "Error sending Scrobble", "scrobbler", name, "track", t.Title, "artist", t.Artist, err)
 			return err
 		}
 	}

core/scrobbler/broker_test.go

@@ -22,7 +22,7 @@ var _ = Describe("Broker", func() {
 		ctx = request.WithUser(ctx, model.User{ID: "u-1"})
 		ds = &tests.MockDataStore{}
 		broker = GetBroker(ds)
-		fake = &fakeScrobbler{}
+		fake = &fakeScrobbler{Authorized: true}
 		Register("fake", func(ds model.DataStore) Scrobbler {
 			return fake
 		})
@@ -44,9 +44,16 @@ var _ = Describe("Broker", func() {
 		It("sends track to agent", func() {
 			err := broker.NowPlaying(ctx, "player-1", "player-one", "123")
 			Expect(err).ToNot(HaveOccurred())
+			Expect(fake.NowPlayingCalled).To(BeTrue())
 			Expect(fake.UserID).To(Equal("u-1"))
 			Expect(fake.Track.ID).To(Equal("123"))
 		})
+		It("does not send track to agent if user has not authorized", func() {
+			fake.Authorized = false
+			err := broker.NowPlaying(ctx, "player-1", "player-one", "123")
+			Expect(err).ToNot(HaveOccurred())
+			Expect(fake.NowPlayingCalled).ToNot(BeTrue())
+		})
 	})
 
 	Describe("GetNowPlaying", func() {
@@ -86,21 +93,38 @@ var _ = Describe("Broker", func() {
 			err := broker.Submit(ctx, "123", ts)
 
 			Expect(err).ToNot(HaveOccurred())
+			Expect(fake.ScrobbleCalled).To(BeTrue())
 			Expect(fake.UserID).To(Equal("u-1"))
 			Expect(fake.Scrobbles[0].ID).To(Equal("123"))
 		})
+
+		It("does not send track to agent if user has not authorized", func() {
+			fake.Authorized = false
+			err := broker.Submit(ctx, "123", time.Now())
+			Expect(err).ToNot(HaveOccurred())
+			Expect(fake.ScrobbleCalled).ToNot(BeTrue())
+		})
+
 	})
 
 })
 
 type fakeScrobbler struct {
-	UserID    string
-	Track     *model.MediaFile
-	Scrobbles []Scrobble
-	Error     error
+	Authorized       bool
+	NowPlayingCalled bool
+	ScrobbleCalled   bool
+	UserID           string
+	Track            *model.MediaFile
+	Scrobbles        []Scrobble
+	Error            error
+}
+
+func (f *fakeScrobbler) IsAuthorized(ctx context.Context, userId string) bool {
+	return f.Error == nil && f.Authorized
 }
 
 func (f *fakeScrobbler) NowPlaying(ctx context.Context, userId string, track *model.MediaFile) error {
+	f.NowPlayingCalled = true
 	if f.Error != nil {
 		return f.Error
 	}
@@ -110,6 +134,7 @@ func (f *fakeScrobbler) NowPlaying(ctx context.Context, userId string, track *mo
 }
 
 func (f *fakeScrobbler) Scrobble(ctx context.Context, userId string, scrobbles []Scrobble) error {
+	f.ScrobbleCalled = true
 	if f.Error != nil {
 		return f.Error
 	}

core/scrobbler/interfaces.go

@@ -13,6 +13,7 @@ type Scrobble struct {
 }
 
 type Scrobbler interface {
+	IsAuthorized(ctx context.Context, userId string) bool
 	NowPlaying(ctx context.Context, userId string, track *model.MediaFile) error
 	Scrobble(ctx context.Context, userId string, scrobbles []Scrobble) error
 }