Fix #495: use custom user-agent instead of go-http-client

backend/app.go

@@ -66,7 +66,7 @@ func (a *App) VersionTag() string {
 	return a.appVersionTag
 }
 
-func StartupApp(appName, displayAppName, appVersionTag, latestReleaseURL string) (*App, error) {
+func StartupApp(appName, displayAppName, appVersion, appVersionTag, latestReleaseURL string) (*App, error) {
 	var confDir, cacheDir string
 	portableMode := false
 	if p := checkPortablePath(); p != "" {
@@ -118,7 +118,7 @@ func StartupApp(appName, displayAppName, appVersionTag, latestReleaseURL string)
 		return nil, err
 	}
 
-	a.ServerManager = NewServerManager(appName, a.Config, !portableMode /*use keyring*/)
+	a.ServerManager = NewServerManager(appName, appVersion, a.Config, !portableMode /*use keyring*/)
 	a.PlaybackManager = NewPlaybackManager(a.bgrndCtx, a.ServerManager, a.LocalPlayer, &a.Config.Scrobbling, &a.Config.Transcoding, &a.Config.Application)
 	a.ImageManager = NewImageManager(a.bgrndCtx, a.ServerManager, cacheDir)
 	a.Config.Application.MaxImageCacheSizeMB = clamp(a.Config.Application.MaxImageCacheSizeMB, 1, 500)

backend/servermanager.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"crypto/tls"
 	"errors"
+	"fmt"
 	"log"
 	"net/http"
 	"time"
@@ -26,6 +27,7 @@ type ServerManager struct {
 	useKeyring        bool
 	prefetchCoverCB   func(string)
 	appName           string
+	appVersion        string
 	config            *Config
 	onServerConnected []func()
 	onLogout          []func()
@@ -33,8 +35,13 @@ type ServerManager struct {
 
 var ErrUnreachable = errors.New("server is unreachable")
 
-func NewServerManager(appName string, config *Config, useKeyring bool) *ServerManager {
+func NewServerManager(appName, appVersion string, config *Config, useKeyring bool) *ServerManager {
-	return &ServerManager{appName: appName, config: config, useKeyring: useKeyring}
+	return &ServerManager{
+		appName:    appName,
+		appVersion: appVersion,
+		config:     config,
+		useKeyring: useKeyring,
+	}
 }
 
 func (s *ServerManager) SetPrefetchAlbumCoverCallback(cb func(string)) {
@@ -194,8 +201,10 @@ func (s *ServerManager) connect(connection ServerConnection, password string) (m
 			}
 		}
 	} else {
+		ua := fmt.Sprintf("%s/%s", s.appName, s.appVersion)
 		cli = &subsonicMP.SubsonicServer{
 			Client: subsonic.Client{
+				UserAgent:    ua,
 				Client:       &http.Client{Timeout: 10 * time.Second},
 				BaseUrl:      connection.Hostname,
 				User:         connection.Username,
@@ -206,6 +215,7 @@ func (s *ServerManager) connect(connection ServerConnection, password string) (m
 		s.checkSetInsecureSkipVerify(cli.(*subsonicMP.SubsonicServer).Client.Client)
 		altCli = &subsonicMP.SubsonicServer{
 			Client: subsonic.Client{
+				UserAgent:    ua,
 				Client:       &http.Client{Timeout: 10 * time.Second},
 				BaseUrl:      connection.AltHostname,
 				User:         connection.Username,

go.mod

@@ -17,7 +17,7 @@ require (
 	github.com/pelletier/go-toml/v2 v2.0.8
 	github.com/quarckster/go-mpris-server v1.0.3
 	github.com/supersonic-app/go-mpv v0.1.0
-	github.com/supersonic-app/go-subsonic v0.0.0-20240807031555-2cb1ccd78f85
+	github.com/supersonic-app/go-subsonic v0.0.0-20241017150725-a5686988ef9c
 	github.com/zalando/go-keyring v0.2.1
 	golang.org/x/net v0.25.0
 	golang.org/x/text v0.16.0

go.sum

@@ -311,8 +311,8 @@ github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXl
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/supersonic-app/go-mpv v0.1.0 h1:U+cCnLQxmpqx5mY6nMlC0J4uIdCCXUbAjpjS04XkFu8=
 github.com/supersonic-app/go-mpv v0.1.0/go.mod h1:1bQz6kBQumJopXEbkiqoLxIXLy7F7yWFBvknvpAtIC0=
-github.com/supersonic-app/go-subsonic v0.0.0-20240807031555-2cb1ccd78f85 h1:7PpVvIoF3kUQwqRyIJcKJui8VxbkLzqWH+Ysw1g84tU=
+github.com/supersonic-app/go-subsonic v0.0.0-20241017150725-a5686988ef9c h1:UsXe5/TXViPgw21zO2Fgh0F/hSl0TXox0yjRc+vT6XQ=
-github.com/supersonic-app/go-subsonic v0.0.0-20240807031555-2cb1ccd78f85/go.mod h1:D+OWPXeD9owcdcoXATv5YPBGWxxVvn5k98rt5B4wMc4=
+github.com/supersonic-app/go-subsonic v0.0.0-20241017150725-a5686988ef9c/go.mod h1:D+OWPXeD9owcdcoXATv5YPBGWxxVvn5k98rt5B4wMc4=
 github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=

main.go

@@ -32,7 +32,7 @@ func main() {
 	}
 	// rest of flag actions are handled in backend.StartupApp
 
-	myApp, err := backend.StartupApp(res.AppName, res.DisplayName, res.AppVersionTag, res.LatestReleaseURL)
+	myApp, err := backend.StartupApp(res.AppName, res.DisplayName, res.AppVersion, res.AppVersionTag, res.LatestReleaseURL)
 	if err != nil {
 		if err != backend.ErrAnotherInstance {
 			log.Fatalf("fatal startup error: %v", err.Error())