headers->set('X-Content-Type-Options', 'nosniff'); $response->headers->set('X-Frame-Options', 'DENY'); $response->headers->set('Referrer-Policy', 'strict-origin-when-cross-origin'); $response->headers->set('Permissions-Policy', 'camera=(), microphone=(), geolocation=()'); if (! $response->headers->has('Content-Security-Policy')) { $response->headers->set( 'Content-Security-Policy', "default-src 'self'; frame-ancestors 'none'; object-src 'none'; base-uri 'self'" ); } return $response; } }