Drupal Redirect Node Domain Access

mymodule.module

<?php
function mymodule_init() {
  if(arg(0) == 'node' && is_numeric(arg(1)) && !arg(2) && $node = node_load(arg(1))) {
    $current_domain = domain_get_domain();
    $domains = domain_get_node_domains($node->nid);
    if (!in_array($current_domain['domain_id'], $domains['domain_id'])) {
      $values = array_values($node->domains);
      $sourceDomain = array_shift($values);
      $sourceDomain2 = domain_lookup($sourceDomain);
      //domain_goto($sourceDomain2);
      if ($sourceDomain2['domain_id'] > 0 && $current_domain['domain_id'] != $sourceDomain2['domain_id']) {
        $path = domain_get_uri($sourceDomain2);
        drupal_goto($path, array(), 301);
      }
    }
  }
}