- Added new configuration file auth.php for authentication

- Added new configuration file ldap.php for LDAP connection
- Added new controller system/Login to manage logins
- Added new controller system/Logout to manage logout
- Added new core model LDAP_Model to manage LDAP connections
- Added new constants in config/constants for authentication
- Added new function getCode to hlp_message_helper
- Now core/Auth_Controller loads the AuthLib as first step
- Now PermissionLib does NOT load anymore the AuthLib
- Removed old logic from PermissionLib
- Now function getAuthUID (hlp_authentication_helper) does not load anymore the AuthLib
- Now REST_Controller loads hlp_message_helper and hlp_common_helper
- core/APIv1_Controller does NOT load anymore hlp_message_helper and hlp_common_helper
- Added new constants to AuthLib
- AuthLib constructor now accept a parameter to enable the authentication immediatly (default)
- AuthLib loads configuration file auth.php and Person_model by default
- Added public methods getAuthObj and logout to AuthLib
- Renamed CheckUserAuthByUsernamePassword to checkUserAuthByUsernamePassword, CheckUserAuthByCode to checkUserAuthByCode and CheckUserAuthByCodeEmail to checkUserAuthByCodeEmail in AuthLib
- Added private methods _createAuthObj, _isLogged, _showInvalidAuthentication, _showError, _checkBTAuthentication, _checkHBALDAPAuthentication, _checkLDAPAuthentication, _checkForeignAuthentication, _storeAuthObj and _authenticate to AuthLib

application/controllers/system/Login.php

@@ -0,0 +1,41 @@
+<?php
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * NOTE: extends the FHC_Controller instead of the Auth_Controller because we want to login ;)
+ */
+class Login extends FHC_Controller
+{
+	/**
+	 *
+	 */
+	public function __construct()
+    {
+        parent::__construct();
+    }
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * To login into the system with username and password as credentials
+	 */
+	public function usernamePassword()
+	{
+	}
+
+	/**
+	 * To login into the system with email and code as credentials
+	 */
+	public function emailCode()
+	{
+	}
+
+	/**
+	 * To login into the system using SSO
+	 */
+	public function sso()
+	{
+	}
+}

application/controllers/system/Logout.php

@@ -0,0 +1,31 @@
+<?php
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * NOTE: extends the FHC_Controller instead of the Auth_Controller because it is NOT neeaded to checks permissions to logout
+ */
+class Logout extends FHC_Controller
+{
+	/**
+	 *
+	 */
+	public function __construct()
+    {
+        parent::__construct();
+
+		// Loads AuthLib to check if the user is authenticated and to use the lib logic
+		$this->load->library('AuthLib');
+    }
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * Logout the current logged user
+	 */
+	public function index()
+	{
+		$this->authlib->logout();
+	}
+}