1 files changed, 22 insertions, 0 deletions
diff --git a/modules/gallery/libraries/Identity.php b/modules/gallery/libraries/Identity.php
index 9eb4b83b..9e5f0bb5 100644
--- a/modules/gallery/libraries/Identity.php
+++ b/modules/gallery/libraries/Identity.php
@@ -24,6 +24,8 @@
 class Identity_Core {
   protected static $instance;
 
+  protected static $active;
+
   // Configuration
   protected $config;
 
@@ -81,6 +83,26 @@ class Identity_Core {
   }
 
   /**
+   * Return a list of installed and activated Identity Drivers.
+   *
+   * @return boolean true if the driver supports updates; false if read only
+   */
+  static function active() {
+    if (empty(self::$active)) {
+      $drivers = new ArrayObject(array(), ArrayObject::ARRAY_AS_PROPS);
+      foreach (module::active() as $module) {
+        $module_name = $module->name;
+        if (file_exists(MODPATH . "{$module->name}/config/identity.php") &&
+            ($info = module::info($module_name))) {
+          $drivers->$module_name = $info->description;
+        }
+      }
+      self::$active = $drivers;
+    }
+    return self::$active;
+  }
+
+  /**
    * Determine if if the current driver supports updates.
    *
    * @return boolean true if the driver supports updates; false if read only