Use MY_Controller instead of global hook

application/core/MY_Controller.php

@@ -0,0 +1,59 @@
+<?php defined('BASEPATH') || exit('No direct script access allowed');
+/*
+ * Copyright (c) 2011 Karsten Heiken, Eike Foken
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/**
+ * Extends CI's controller.
+ *
+ * @author Eike Foken <kontakt@eikefoken.de>
+ */
+class MY_Controller extends CI_Controller {
+
+	/**
+	 * Contains a list of public controllers.
+	 *
+	 * @var array
+	 */
+	private $public_controllers = array('auth', 'xmlrpc');
+
+	/**
+	 * Calls the parent contructor.
+	 */
+	public function __construct() {
+		parent::__construct();
+
+		if (!in_array($this->router->class, $this->public_controllers)) {
+			// redirect if the user is not logged in
+			if (!$this->input->is_ajax_request() && !$this->access->isLoggedIn()) {
+				redirect('auth/login');
+			}
+
+			// show message if side is marked as offline
+			if ($this->setting->get('offline') == 1 && !$this->access->isAdmin()) {
+				show_error($this->setting->get('offline_message'));
+			}
+		}
+	}
+}
+
+/* End of file MY_Controller.php */
+/* Location: ./application/core/MY_Controller.php */