sendForbidden method
Send forbidden response
Implementation
void sendForbidden(HttpRequest request, {String? reason}) {
request.response.statusCode = 403;
request.response.headers.set('Content-Type', 'application/json');
final errorResponse = {
'error': 'forbidden',
'error_description': reason ?? 'Insufficient permissions',
};
request.response.write(jsonEncode(errorResponse));
}