Re-add missing required auth middleware to callback

router/router.go

@@ -355,7 +355,7 @@ func Start() error {
 
 	// Start auth flow
 	http.HandleFunc("/api/auth/indieauth", middleware.RequireUserAccessToken(indieauth.StartAuthFlow))
-	http.HandleFunc("/api/auth/indieauth/callback", indieauth.HandleRedirect)
+	http.HandleFunc("/api/auth/indieauth/callback", middleware.RequireAdminAuth(indieauth.HandleRedirect))
 	http.HandleFunc("/api/auth/provider/indieauth", indieauth.HandleAuthEndpoint)
 
 	http.HandleFunc("/api/auth/fediverse", middleware.RequireUserAccessToken(fediverseauth.RegisterFediverseOTPRequest))