Code: ›
/* emulate register_globals for sessions */
if (!$gallery->register_globals) {
    foreach($_SESSION as $key => $value) {
        eval("\$$key = & \$_SESSION[\"$key\"];");
    }
}

Code: ›
<?php
/*
 * Gallery - a web based photo album viewer and editor
 * Copyright (C) 2000-2003 Bharat Mediratta
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
?>
<?php
// Hack prevention.
if (!empty($HTTP_GET_VARS["GALLERY_BASEDIR"]) ||
      !empty($HTTP_POST_VARS["GALLERY_BASEDIR"]) ||
      !empty($HTTP_COOKIE_VARS["GALLERY_BASEDIR"])) {
   print "Security violation\n";
   exit;
}
?>
<?php
/*
 * PHP 4.0.1pl2 introduces a bug where you can't unserialize a
 * stdClass instance correctly.  So create a dummy class to hold all
 * of our session data.
 */
class GallerySession {}

if (session_id()) {
   /*
    * The session is being created externally.  This means that if
    * we store our data in a GallerySession class, we won't be able
    * to deserialize it (because it's not being defined before the
    * external session starts).  So, we'll have to fall back on using
    * stdClass() which will cause problems on older PHP4 servers.
    * oh well.
    */
   $useStdClass = 1;
}

/* Start a new session, or resume our current one */
session_start();

/* emulate register_globals for sessions */
if (!$gallery->register_globals) {
    foreach($_SESSION as $key => $value) {
        eval("\$$key = & \$_SESSION[\"$key\"];");
    }
}

/*
 * Are we resuming an existing session?  Determine this by checking
 * to see if the session container variable is already set.  If not, then
 * create the appropriate container for it.
 */
$sessionVar = $gallery->app->sessionVar . "_" . md5($gallery->app->userDir);
session_register($sessionVar);

if (isset($$sessionVar)) {
   /* Get a simple reference to the session container (for convenience) */
   $gallery->session =& $$sessionVar;

   /* Make sure our session is current.  If not, nuke it and restart. */
   /* Disabled this code -- it has too many repercussions */
   if (false) {
       if (strcmp($gallery->session->version, $gallery->version)) {
      session_destroy();
      header("Location: index.php");
      exit;
       }
   }
} else {
   /* Register the session variable */
   session_register($sessionVar);

   /* Create a new session container */
   if ($useStdClass) {
      $$sessionVar = new stdClass();
   } else {
      $$sessionVar = new GallerySession();
   }

   /* Get a simple reference to the session container (for convenience) */
   $gallery->session =& $$sessionVar;

   /* Tag this session with the gallery version */
   $gallery->session->version = $gallery->version;
}

update_session_var("albumName");
update_session_var("version");
update_session_var("albumListPage");
update_session_var("fullOnly");
update_session_var("username", 1);
update_session_var("offline");
update_session_var("offlineAlbums");
if (!isset($gallery->session->offlineAlbums) || $gallery->session->offlineAlbums == null)
{
      $gallery->session->offlineAlbums=array();
}

/*
 * Process changes to session variables via parameters submitted in a
 * POST or GET.
 */
function update_session_var($name, $protected=0) {
   global $gallery;

   // If this is a protected session variable, don't allow it
   // to be changed by data from POST or GET requests.
   if ($protected) {
      return;
   }

   $setname = "set_$name";
   if (!emptyFormVar($setname)) {
      $gallery->session->{$name} = formVar($setname);
   }
}
?>

Code: › global $gallery;

Code: › <?php
global $gallery;