feat(twitch): Add flag --oauth-listen-port-twitch

cmd/streampanel/flag.go

@@ -42,6 +42,9 @@ type Flags struct {
 	Subprocess          string        `yaml:"Subprocess,omitempty"`
 	SplitProcess        bool          `yaml:"SplitProcess,omitempty"`
 	LockTimeout         time.Duration `yaml:"LockTimeout,omitempty"`
+
+	OAuthListenPortTwitch  uint16 `yaml:"OAuthListenPortTwitch,omitempty"`
+	OAuthListenPortYouTube uint16 `yaml:"OAuthListenPortYouTube,omitempty"`
 }
 
 var platformGetFlagsFuncs []func(*Flags)
@@ -75,6 +78,9 @@ func parseFlags() Flags {
 	subprocess := pflag.String("subprocess", "", "[internal use flag] run a specific sub-process (format: processName:addressToConnect)")
 	splitProcess := pflag.Bool("split-process", !isMobile(), "split the process into multiple processes for better stability")
 	lockTimeout := pflag.Duration("lock-timeout", 2*time.Minute, "[debug option] change the timeout for locking, before reporting it as a deadlock")
+	oauthListenPortTwitch := pflag.Uint16("oauth-listen-port-twitch", 8091, "the port that is used for OAuth callbacks while authenticating in Twitch")
+	oauthListenPortYouTube := pflag.Uint16("oauth-listen-port-youtube", 8092, "the port that is used for OAuth callbacks while authenticating in YouTube")
+
 	pflag.Parse()
 
 	flags := Flags{
@@ -94,6 +100,9 @@ func parseFlags() Flags {
 		Subprocess:          *subprocess,
 		SplitProcess:        *splitProcess,
 		LockTimeout:         *lockTimeout,
+
+		OAuthListenPortTwitch:  *oauthListenPortTwitch,
+		OAuthListenPortYouTube: *oauthListenPortYouTube,
 	}
 
 	for _, platformGetFlagsFunc := range platformGetFlagsFuncs {

cmd/streampanel/main.go

@@ -69,7 +69,10 @@ func runPanel(
 	logger.Debugf(ctx, "runPanel: %#+v", flags)
 	defer logger.Debugf(ctx, "/runPanel")
 
-	var opts []streampanel.Option
+	opts := []streampanel.Option{
+		streampanel.OptionOAuthListenPortTwitch(flags.OAuthListenPortTwitch),
+		streampanel.OptionOAuthListenPortYouTube(flags.OAuthListenPortYouTube),
+	}
 	if flags.RemoteAddr != "" {
 		opts = append(opts, streampanel.OptionRemoteStreamDAddr(flags.RemoteAddr))
 	}

pkg/recoder/libav/saferecoder/process/run_nolibav.go

@@ -82,3 +82,17 @@ func (c *Client) RecodingEndedChan(
 ) (<-chan struct{}, error) {
 	return nil, fmt.Errorf("not compiled with libav support")
 }
+
+func (c *Client) CloseInput(
+	ctx context.Context,
+	inputID InputID,
+) error {
+	return fmt.Errorf("not compiled with libav support")
+}
+
+func (c *Client) CloseOutput(
+	ctx context.Context,
+	outputID OutputID,
+) error {
+	return fmt.Errorf("not compiled with libav support")
+}

pkg/streamcontrol/twitch/twitch.go

@@ -44,15 +44,26 @@ func New(
 	if cfg.Config.ClientID == "" || cfg.Config.ClientSecret == "" {
 		return nil, fmt.Errorf("'clientid' or/and 'clientsecret' is/are not set; go to https://dev.twitch.tv/console/apps/create and create an app if it not created, yet")
 	}
-	client, err := getClient(ctx, cfg)
-	if err != nil {
-		return nil, err
+
+	getPortsFn := cfg.Config.GetOAuthListenPorts
+	if getPortsFn == nil {
+		// TODO: find a way to adjust the OAuth ports dynamically without re-creating the Twitch client.
+		return nil, fmt.Errorf("the function GetOAuthListenPorts is not set")
 	}
+	oauthPorts := getPortsFn()
+	if len(oauthPorts) == 0 {
+		return nil, fmt.Errorf("the function GetOAuthListenPorts returned zero ports")
+	}
+
 	t := &Twitch{
-		client:    client,
 		config:    cfg,
 		saveCfgFn: saveCfgFn,
 	}
+	client, err := getClient(ctx, cfg, oauthPorts[0])
+	if err != nil {
+		return nil, err
+	}
+	t.client = client
 	var prevTokenUpdate time.Time
 	client.OnUserAccessTokenRefreshed(func(newAccessToken, newRefreshToken string) {
 		if twitchDebug == true {
@@ -451,10 +462,6 @@ func (t *Twitch) getNewClientCode(
 ) (_err error) {
 	logger.Debugf(ctx, "getNewClientCode")
 	defer func() { logger.Debugf(ctx, "/getNewClientCode: %v", _err) }()
-	getPortsFn := t.config.Config.GetOAuthListenPorts
-	if getPortsFn == nil {
-		return fmt.Errorf("the function GetOAuthListenPorts is not set")
-	}
 
 	oauthHandler := t.config.Config.CustomOAuthHandler
 	if oauthHandler == nil {
@@ -532,6 +539,13 @@ func (t *Twitch) getNewClientCode(
 		}
 	}
 
+	// TODO: either support only one port as in New, or support multiple
+	//       ports as we do below
+	getPortsFn := t.config.Config.GetOAuthListenPorts
+	if getPortsFn == nil {
+		return fmt.Errorf("the function GetOAuthListenPorts is not set")
+	}
+
 	for _, listenPort := range getPortsFn() {
 		startHandlerForPort(listenPort)
 	}
@@ -628,14 +642,15 @@ func (t *Twitch) getNewTokenByApp(
 func getClient(
 	ctx context.Context,
 	cfg Config,
+	oauthListenPort uint16,
 ) (*helix.Client, error) {
-	logger.Debugf(ctx, "getClient")
+	logger.Debugf(ctx, "getClient(ctx, %#+v, %v)", cfg, oauthListenPort)
 	defer logger.Debugf(ctx, "/getClient")
 
 	options := &helix.Options{
 		ClientID:     cfg.Config.ClientID,
 		ClientSecret: cfg.Config.ClientSecret,
-		RedirectURI:  authRedirectURI(8091), // TODO: delete this hardcode
+		RedirectURI:  authRedirectURI(oauthListenPort), // TODO: delete this hardcode
 	}
 	client, err := helix.NewClient(options)
 	if err != nil {

pkg/streampanel/config/config.go

@@ -20,11 +20,19 @@ type BrowserConfig struct {
 	Command string `yaml:"command"`
 }
 
+type OAuthConfig struct {
+	ListenPorts struct {
+		Twitch  uint16 `yaml:"twitch"`
+		YouTube uint16 `yaml:"youtube"`
+	} `yaml:"listen_ports"`
+}
+
 type Config struct {
 	RemoteStreamDAddr string           `yaml:"streamd_remote"`
 	BuiltinStreamD    streamd.Config   `yaml:"streamd_builtin"`
 	Screenshot        ScreenshotConfig `yaml:"screenshot"`
 	Browser           BrowserConfig    `yaml:"browser"`
+	OAuth             OAuthConfig      `yaml:"oauth"`
 }
 
 func DefaultConfig() Config {

pkg/streampanel/config/options.go

@@ -18,3 +18,15 @@ type OptionRemoteStreamDAddr string
 func (o OptionRemoteStreamDAddr) Apply(cfg *Config) {
 	cfg.RemoteStreamDAddr = string(o)
 }
+
+type OptionOAuthListenPortTwitch uint16
+
+func (o OptionOAuthListenPortTwitch) Apply(cfg *Config) {
+	cfg.OAuth.ListenPorts.Twitch = uint16(o)
+}
+
+type OptionOAuthListenPortYouTube uint16
+
+func (o OptionOAuthListenPortYouTube) Apply(cfg *Config) {
+	cfg.OAuth.ListenPorts.YouTube = uint16(o)
+}

pkg/streampanel/options.go

@@ -1,8 +1,13 @@
 package streampanel
 
-import "github.com/xaionaro-go/streamctl/pkg/streampanel/config"
+import (
+	"github.com/xaionaro-go/streamctl/pkg/streampanel/config"
+)
 
 type Config = config.Config
 type Option = config.Option
 type Options = config.Options
 type OptionRemoteStreamDAddr = config.OptionRemoteStreamDAddr
+
+type OptionOAuthListenPortTwitch = config.OptionOAuthListenPortTwitch
+type OptionOAuthListenPortYouTube = config.OptionOAuthListenPortYouTube

pkg/streampanel/panel.go

@@ -322,10 +322,10 @@ func (p *Panel) Loop(ctx context.Context, opts ...LoopOption) error {
 			// TODO: delete this hardcoding of the port
 			defer closeLoadingWindow()
 			streamD := p.StreamD.(*streamd.StreamD)
-			streamD.AddOAuthListenPort(8091)
+			streamD.AddOAuthListenPort(p.Config.OAuth.ListenPorts.Twitch)
 			observability.Go(ctx, func() {
 				<-ctx.Done()
-				streamD.RemoveOAuthListenPort(8091)
+				streamD.RemoveOAuthListenPort(p.Config.OAuth.ListenPorts.Twitch)
 			})
 			logger.Tracef(ctx, "started oauth listener for the local streamd")
 		}
@@ -367,7 +367,7 @@ func (p *Panel) startOAuthListenerForRemoteStreamD(
 	streamD *client.Client,
 ) error {
 	ctx, cancelFn := context.WithCancel(ctx)
-	receiver, listenPort, err := oauthhandler.NewCodeReceiver(ctx, 8091) // TODO: remove the hard-code of port 8091, currently it is needed because the port is hardcoded in Twitch
+	receiver, listenPort, err := oauthhandler.NewCodeReceiver(ctx, p.Config.OAuth.ListenPorts.Twitch)
 	if err != nil {
 		cancelFn()
 		return fmt.Errorf("unable to start listener for OAuth responses: %w", err)