function autologout_init in Automated Logout 6.3

Same name and namespace in other branches

1. 6.4 autologout.module \autologout_init()
2. 6.2 autologout.module \autologout_init()
3. 7.2 autologout.module \autologout_init()
4. 7.4 autologout.module \autologout_init()

Implementation of hook_init().

File

./autologout.module, line 71

Used to automagically log out a user after a certain time.

Code

function autologout_init() {
  global $user;
  global $base_root;
  if ($user->uid > 0) {

    // See if automatic logout is enabled.
    $seconds = variable_get('autologout_seconds', 0);
    if ($seconds > 0) {

      // Check the session's last access.
      if (!isset($_SESSION['autologout_lastaccess']) || (int) $_SESSION['autologout_lastaccess'] > time() - $seconds) {

        // Update the session's last access.
        $_SESSION['autologout_lastaccess'] = time();
        drupal_set_html_head("<meta http-equiv='refresh' content='{$seconds}';url='{$base_root}'>");
      }
      else {

        // Force the user to log out.
        // code from core(user.pages.inc), can't use it directly because we need need a custom goto
        watchdog('user', 'Session closed for %name.', array(
          '%name' => $user->name,
        ));

        // Destroy the current session:
        session_destroy();

        // Only variables can be passed by reference workaround.
        $null = NULL;
        user_module_invoke('logout', $null, $user);

        // Load the anonymous user
        $user = drupal_anonymous_user();
        drupal_goto('autologout/logout');
      }
    }
  }
}