add permissions

README.txt

@@ -17,8 +17,10 @@ http://www.omgubuntu.co.uk/2012/07/how-to-install-ubuntus-new-web-apps-feature
 
 -- INSTALLATION --
 
-Install as usual, see http://drupal.org/node/70151 for further information.
+1. Install as usual, see http://drupal.org/node/70151 for further information.
 
+2. After install make shure to set permissions for users that should have access.
+admin/people/permissions%23module-unity_webapp
 
 -- CONFIGURATION --
 

unity_webapp.module

@@ -22,6 +22,9 @@ function unity_webapp_generate_links_array() {
  * Insert Javascript into the page.
  */
 function unity_webapp_page_alter(&$page) {
+  if (! user_access('access unity webapp')) {
+    return;
+  }
   global $base_root;
   $urlparse = parse_url($_SERVER['HTTP_HOST']);
   if (isset($urlparse['host'])) { 
@@ -45,3 +48,16 @@ function unity_webapp_page_alter(&$page) {
   // TODO: drupal_alter to allow other modules to alter the output.
   drupal_add_js(array('unity_api' => $my_settings), 'setting');
 }
+
+/**
+ * Implements hook_permission().
+ *
+ */
+function unity_webapp_permission() {
+  return array(
+    'access unity webapp' => array(
+      'title' => t('Access unity webapp'), 
+      'description' => t('Access unity webapp.'),
+    ),
+  );
+}