feat: add anonymous sign-ins config (#2126)

internal/start/start.go

@@ -404,6 +404,8 @@ EOF
 			fmt.Sprintf("GOTRUE_MAILER_SECURE_EMAIL_CHANGE_ENABLED=%v", utils.Config.Auth.Email.DoubleConfirmChanges),
 			fmt.Sprintf("GOTRUE_MAILER_AUTOCONFIRM=%v", !utils.Config.Auth.Email.EnableConfirmations),
 
+			fmt.Sprintf("GOTRUE_EXTERNAL_ANONYMOUS_USERS_ENABLED=%v", utils.Config.Auth.EnableAnonymousSignIns),
+
 			"GOTRUE_SMTP_HOST=" + utils.InbucketId,
 			"GOTRUE_SMTP_PORT=2500",
 			"[email protected]",

internal/utils/config.go

@@ -317,10 +317,11 @@ type (
 		EnableManualLinking        bool `toml:"enable_manual_linking"`
 		Hook                       hook `toml:"hook"`
 
-		EnableSignup bool  `toml:"enable_signup"`
-		Email        email `toml:"email"`
-		Sms          sms   `toml:"sms"`
-		External     map[string]provider
+		EnableSignup           bool  `toml:"enable_signup"`
+		EnableAnonymousSignIns bool  `toml:"enable_anonymous_sign_ins"`
+		Email                  email `toml:"email"`
+		Sms                    sms   `toml:"sms"`
+		External               map[string]provider
 
 		// Custom secrets can be injected from .env file
 		JwtSecret      string `toml:"-" mapstructure:"jwt_secret"`

internal/utils/templates/init_config.toml

@@ -83,6 +83,8 @@ enable_refresh_token_rotation = true
 refresh_token_reuse_interval = 10
 # Allow/disallow new user signups to your project.
 enable_signup = true
+# Allow/disallow anonymous sign-ins to your project.
+enable_anonymous_sign_ins = false
 # Allow/disallow testing manual linking of accounts
 enable_manual_linking = false