feat: support passing client func opts

gtslib_auth_keyring.go

@@ -28,6 +28,41 @@ import (
 
 func Ptr[T any](v T) *T { return &v }
 
+// Config is a client configuration.
+type Config struct {
+	Name    string // client name
+	Website string // client website
+}
+
+// Option with operates on a client config.
+type Option func(c *Config)
+
+// NewConfig creates a new client config.
+func NewConfig(opts ...Option) *Config {
+	conf := &Config{
+		Name:    "gtslib-auth-keyring",
+		Website: "https://doesnt.exist/gtslib-auth-keyring",
+	}
+	for _, optFunc := range opts {
+		optFunc(conf)
+	}
+	return conf
+}
+
+// WithName sets a client name.
+func WithName(name string) Option {
+	return func(c *Config) {
+		c.Name = name
+	}
+}
+
+// WithWebsite sets a client website.
+func WithWebsite(website string) Option {
+	return func(c *Config) {
+		c.Website = website
+	}
+}
+
 // Prefs stores persisted preferences.
 type Prefs struct {
 	// Instances is a map of instance names to instance preferences.
@@ -271,7 +306,7 @@ const (
 
 // Login authenticates the user and saves the credentials in the system
 // keychain.
-func Login(user string) error {
+func Login(user string, opts ...Option) error {
 	var err error
 
 	if user == "" {
@@ -302,8 +337,9 @@ func Login(user string) error {
 		return err
 	}
 
+	conf := NewConfig(opts...)
 	client := clientForInstance(instance)
-	clientID, clientSecret, err := ensureAppCredentials(instance, client)
+	clientID, clientSecret, err := ensureAppCredentials(instance, client, conf)
 	if err != nil {
 		slog.Error("OAuth2 app setup failed", "user", user, "instance", instance, "error", err)
 		return err
@@ -394,7 +430,10 @@ func clientForInstance(instance string) *apiclient.GoToSocialSwaggerDocumentatio
 }
 
 // ensureAppCredentials retrieves or creates and stores app credentials.
-func ensureAppCredentials(instance string, client *apiclient.GoToSocialSwaggerDocumentation) (string, string, error) {
+func ensureAppCredentials(
+	instance string,
+	client *apiclient.GoToSocialSwaggerDocumentation,
+	conf *Config) (string, string, error) {
 	shouldCreateNewApp := false
 
 	clientID, err := GetInstanceClientID(instance)
@@ -417,7 +456,7 @@ func ensureAppCredentials(instance string, client *apiclient.GoToSocialSwaggerDo
 		return clientID, clientSecret, nil
 	}
 
-	app, err := createApp(client)
+	app, err := createApp(client, conf)
 	if err != nil {
 		slog.Error("couldn't create OAuth2 app", "instance", instance, "error", err)
 		return "", "", err
@@ -440,13 +479,15 @@ func ensureAppCredentials(instance string, client *apiclient.GoToSocialSwaggerDo
 }
 
 // createApp registers a new OAuth2 application.
-func createApp(client *apiclient.GoToSocialSwaggerDocumentation) (*models.Application, error) {
+func createApp(
+	client *apiclient.GoToSocialSwaggerDocumentation,
+	conf *Config) (*models.Application, error) {
 	resp, err := client.Apps.AppCreate(
 		&apps.AppCreateParams{
-			ClientName:   "gtslib",
+			ClientName:   conf.Name,
 			RedirectURIs: oauthRedirect,
 			Scopes:       Ptr(oauthScopes),
-			Website:      Ptr("https://foo.com/gtslib"),
+			Website:      Ptr(conf.Website),
 		},
 		func(op *runtime.ClientOperation) {
 			op.ConsumesMediaTypes = []string{"application/x-www-form-urlencoded"}