Updated to only list datastreams that are in the Islandora Content Model in the detailed list of content. This can also be disabled with the 'Restrict Access to Fedora Object Datastreams' option in the fedora collection list settings page. All datastreams are listed for administrators.

ObjectHelper.inc

@@ -406,10 +406,11 @@ class ObjectHelper {
    *
    */
   function get_formatted_datastream_list($object_pid, $contentModels, &$fedoraItem) {
-    global $fedoraUser, $fedoraPass, $base_url;
+    global $fedoraUser, $fedoraPass, $base_url, $user;
     module_load_include('inc', 'fedora_repository', 'ConnectionHelper');
     module_load_include('inc', 'fedora_repository', 'ObjectHelper');
     module_load_include('inc', 'fedora_repository', 'api/fedora_item');
+    module_load_include('inc', 'fedora_repository', 'ContentModel');
     
     $path = drupal_get_path('module', 'fedora_repository');
     $dataStreamBody = '';
@@ -428,10 +429,17 @@ class ObjectHelper {
       $hasTNStream = FALSE;
       $dataStreamBody = "<br /><table>\n";
       
+      $cmDatastreams = array();
+      if (variable_get('fedora_object_restrict_datastreams', TRUE) == TRUE && ($cm = ContentModel::loadFromObject($object_pid)) !== FALSE) {
+				$cmDatastreams = $cm->listDatastreams();
+      }
+
       $dataStreamBody .= $this->get_parent_objects_asHTML($object_pid);
       $dataStreamBody .= '<tr><th colspan="4"><h3>' . t("!text", array('!text' => $availableDataStreamsText)) . '</h3></th></tr>';
       foreach ($object as $datastream) {
         foreach ($datastream as $datastreamValue) {
+          
+	  if (variable_get('fedora_object_restrict_datastreams', TRUE) == FALSE  ||  ((isset($user) && in_array('administrator',$user->roles)) || in_array($datastreamValue->ID,$cmDatastreams))) {
 	    if ($datastreamValue->ID == 'OBJ') {
 	      $hasOBJStream = '1';
 	      $mainStreamLabel = $datastreamValue->label;
@@ -444,6 +452,7 @@ class ObjectHelper {
 	    $dataStreamBody .= $this->create_link_for_ds($object_pid, $datastreamValue); //"<tr><td><b>$key :</b></td><td>$value</td></tr>\n";
 	  }
         }
+      }
       $dataStreamBody .= "</table>\n";
       //if they have access let them add a datastream
       if (user_access(ObjectHelper :: $ADD_FEDORA_STREAMS)) {