Expose Last.fm's ApiKey to UI

conf/configuration.go

@@ -214,8 +214,8 @@ func init() {
 	viper.SetDefault("agents", "lastfm,spotify")
 	viper.SetDefault("lastfm.enabled", true)
 	viper.SetDefault("lastfm.language", "en")
-	viper.SetDefault("lastfm.apikey", "")
-	viper.SetDefault("lastfm.secret", "")
+	viper.SetDefault("lastfm.apikey", consts.LastFMAPIKey)
+	viper.SetDefault("lastfm.secret", consts.LastFMAPISecret)
 	viper.SetDefault("spotify.id", "")
 	viper.SetDefault("spotify.secret", "")
 

consts/consts.go

@@ -61,6 +61,12 @@ const (
 	DefaultCacheCleanUpInterval = 10 * time.Minute
 )
 
+// Shared secrets (only add here "secrets" that can be public)
+const (
+	LastFMAPIKey    = "9b94a5515ea66b2da3ec03c12300327e"
+	LastFMAPISecret = "74cb6557cec7171d921af5d7d887c587" // nolint:gosec
+)
+
 var (
 	DefaultTranscodings = []map[string]interface{}{
 		{

core/agents/lastfm/agent.go

@@ -13,8 +13,6 @@ import (
 
 const (
 	lastFMAgentName = "lastfm"
-	lastFMAPIKey    = "9b94a5515ea66b2da3ec03c12300327e"
-	lastFMAPISecret = "74cb6557cec7171d921af5d7d887c587" // nolint:gosec
 )
 
 type lastfmAgent struct {
@@ -29,12 +27,8 @@ func lastFMConstructor(ctx context.Context) agents.Interface {
 	l := &lastfmAgent{
 		ctx:    ctx,
 		lang:   conf.Server.LastFM.Language,
-		apiKey: lastFMAPIKey,
-		secret: lastFMAPISecret,
-	}
-	if conf.Server.LastFM.ApiKey != "" {
-		l.apiKey = conf.Server.LastFM.ApiKey
-		l.secret = conf.Server.LastFM.Secret
+		apiKey: conf.Server.LastFM.ApiKey,
+		secret: conf.Server.LastFM.Secret,
 	}
 	hc := utils.NewCachedHTTPClient(http.DefaultClient, consts.DefaultCachedHttpClientTTL)
 	l.client = NewClient(l.apiKey, l.secret, l.lang, hc)

core/agents/lastfm/agent_test.go

@@ -22,18 +22,13 @@ const (
 
 var _ = Describe("lastfmAgent", func() {
 	Describe("lastFMConstructor", func() {
-		It("uses default api key and language if not configured", func() {
-			conf.Server.LastFM.ApiKey = ""
-			agent := lastFMConstructor(context.Background())
-			Expect(agent.(*lastfmAgent).apiKey).To(Equal(lastFMAPIKey))
-			Expect(agent.(*lastfmAgent).lang).To(Equal("en"))
-		})
-
 		It("uses configured api key and language", func() {
 			conf.Server.LastFM.ApiKey = "123"
+			conf.Server.LastFM.Secret = "secret"
 			conf.Server.LastFM.Language = "pt"
 			agent := lastFMConstructor(context.Background())
 			Expect(agent.(*lastfmAgent).apiKey).To(Equal("123"))
+			Expect(agent.(*lastfmAgent).secret).To(Equal("secret"))
 			Expect(agent.(*lastfmAgent).lang).To(Equal("pt"))
 		})
 	})

core/agents/lastfm/auth_router.go

@@ -30,13 +30,13 @@ type Router struct {
 }
 
 func NewRouter(ds model.DataStore) *Router {
-	r := &Router{ds: ds, apiKey: lastFMAPIKey, secret: lastFMAPISecret}
+	r := &Router{
+		ds:     ds,
+		apiKey: conf.Server.LastFM.ApiKey,
+		secret: conf.Server.LastFM.Secret,
+	}
 	r.sessionKeys = &sessionKeys{ds: ds}
 	r.Handler = r.routes()
-	if conf.Server.LastFM.ApiKey != "" {
-		r.apiKey = conf.Server.LastFM.ApiKey
-		r.secret = conf.Server.LastFM.Secret
-	}
 	r.client = NewClient(r.apiKey, r.secret, "en", http.DefaultClient)
 	return r
 }

server/serve_index.go

@@ -45,6 +45,7 @@ func serveIndex(ds model.DataStore, fs fs.FS) http.HandlerFunc {
 			"enableUserEditing":       conf.Server.EnableUserEditing,
 			"devEnableShare":          conf.Server.DevEnableShare,
 			"devEnableScrobble":       conf.Server.DevEnableScrobble,
+			"lastFMApiKey":            conf.Server.LastFM.ApiKey,
 		}
 		auth := handleLoginFromHeaders(ds, r)
 		if auth != nil {

server/serve_index_test.go

@@ -209,6 +209,17 @@ var _ = Describe("serveIndex", func() {
 		config := extractAppConfig(w.Body.String())
 		Expect(config).To(HaveKeyWithValue("devEnableScrobble", false))
 	})
+
+	It("sets the lastFMApiKey", func() {
+		conf.Server.LastFM.ApiKey = "APIKEY-123"
+		r := httptest.NewRequest("GET", "/index.html", nil)
+		w := httptest.NewRecorder()
+
+		serveIndex(ds, fs)(w, r)
+
+		config := extractAppConfig(w.Body.String())
+		Expect(config).To(HaveKeyWithValue("lastFMApiKey", "APIKEY-123"))
+	})
 })
 
 var appConfigRegex = regexp.MustCompile(`(?m)window.__APP_CONFIG__="([^"]*)`)

ui/src/config.js

@@ -20,6 +20,7 @@ const defaultConfig = {
   enableUserEditing: true,
   devEnableShare: true,
   devEnableScrobble: true,
+  lastFMApiKey: '9b94a5515ea66b2da3ec03c12300327e',
 }
 
 let config