Rewrite of the authentication and authorization system

app/Core/Security/SessionCheckProviderInterface.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Kanboard\Core\Security;
+
+/**
+ * Session Check Provider Interface
+ *
+ * @package  security
+ * @author   Frederic Guillot
+ */
+interface SessionCheckProviderInterface
+{
+    /**
+     * Check if the user session is valid
+     *
+     * @access public
+     * @return boolean
+     */
+    public function isValidSession();
+}