LDAP authentication support (#815)

src/Security/RoleService.php

@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Security;
+
+class RoleService
+{
+    /**
+     * @var array
+     */
+    protected $roles;
+
+    public function __construct(array $roles)
+    {
+        $this->roles = $roles;
+    }
+
+    public function getAvailableNames(): array
+    {
+        $roles = [];
+        foreach ($this->roles as $key => $value) {
+            $roles[] = $key;
+            if (is_array($value)) {
+                foreach ($value as $name) {
+                    $roles[] = $name;
+                }
+            }
+        }
+
+        return array_values(array_unique($roles));
+    }
+}