diff --git a/tools/album_rules.inc.php b/tools/album_rules.inc.php
new file mode 100644
index 0000000..33b5111
--- /dev/null
+++ b/tools/album_rules.inc.php
@@ -0,0 +1,49 @@
+<?php
+if (!defined('PHPWG_ROOT_PATH'))
+{
+  die('Hacking attempt!');
+}
+
+function bratonien_tools_get_album_rules()
+{
+  return query2array('SELECT * FROM '.bratonien_tools_table('watermark_rules').' ORDER BY category_id');
+}
+
+function bratonien_tools_save_album_rule()
+{
+  $category = (int)($_POST['category_id'] ?? 0);
+  $mode = (string)($_POST['rule_mode'] ?? 'inherit');
+  $profile = !empty($_POST['rule_profile']) ? (int)$_POST['rule_profile'] : null;
+
+  if ($category <= 0)
+  {
+    throw new RuntimeException('Ungueltiges Album.');
+  }
+
+  if (!in_array($mode, array('inherit','profile','disabled'), true))
+  {
+    throw new RuntimeException('Ungueltige Regel.');
+  }
+
+  $table = bratonien_tools_table('watermark_rules');
+  pwg_query('DELETE FROM '.$table.' WHERE category_id='.$category);
+
+  mass_inserts($table, array('category_id','mode','profile_id'), array(array(
+    'category_id'=>$category,
+    'mode'=>$mode,
+    'profile_id'=>$profile,
+  )));
+
+  return array('message'=>'Albumregel gespeichert.');
+}
+
+function bratonien_tools_get_category_tree()
+{
+  $categories = array();
+  $query = 'SELECT id,name,parent_id FROM '.CATEGORIES_TABLE.' ORDER BY uppercats';
+  foreach (query2array($query) as $category)
+  {
+    $categories[] = $category;
+  }
+  return $categories;
+}