index.php

<?php
/*
  This code is part of FusionDirectory (http://www.fusiondirectory.org/)
  Copyright (C) 2003-2010  Cajus Pollmeier
  Copyright (C) 2011-2016  FusionDirectory

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/

/* Load required includes */
require_once("../include/php_setup.inc");
require_once("functions.inc");
require_once("variables.inc");
require_once("class_logging.inc");

/* Set headers */
header('Content-type: text/html; charset=UTF-8');
header('X-XSS-Protection: 1; mode=block');
header('X-Content-Type-Options: nosniff');
header('X-Frame-Options: deny');

/*****************************************************************************
 *                               M   A   I   N                               *
 *****************************************************************************/

/* Set error handler to own one, initialize time calculation
   and start session. */
session::start();

if (isset($_REQUEST['signout']) && $_REQUEST['signout']) {
  if (session::global_is_set('connected')) {
    $config = session::global_get('config');
    if ($config->get_cfg_value('casActivated') == 'TRUE') {
      require_once('CAS.php');
      /* Move FD autoload after CAS autoload */
      spl_autoload_unregister('__fusiondirectory_autoload');
      spl_autoload_register('__fusiondirectory_autoload');
      phpCAS::client(
        CAS_VERSION_2_0,
        $config->get_cfg_value('casHost', 'localhost'),
        (int)($config->get_cfg_value('casPort', 443)),
        $config->get_cfg_value('casContext', '')
      );
      // Set the CA certificate that is the issuer of the cert
      phpCAS::setCasServerCACert($config->get_cfg_value('casServerCaCertPath'));
      phpCas::logout();
    }
  }
  session::destroy();
  session::start();
}

/* Reset errors */
reset_errors();

/* Check if we need to run setup */
if (!file_exists(CONFIG_DIR.'/'.CONFIG_FILE)) {
  header('location:setup.php');