diff options
Diffstat (limited to 'modules/gallery/libraries/MY_Session.php')
| -rw-r--r-- | modules/gallery/libraries/MY_Session.php | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/modules/gallery/libraries/MY_Session.php b/modules/gallery/libraries/MY_Session.php new file mode 100644 index 00000000..6394c0fb --- /dev/null +++ b/modules/gallery/libraries/MY_Session.php @@ -0,0 +1,84 @@ +<?php defined("SYSPATH") or die("No direct script access."); +/** + * Gallery - a web based photo album viewer and editor + * Copyright (C) 2000-2009 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. + */ + +class Session extends Session_Core { + /** + * Make sure that we have a session and group_ids cached in the session. + */ + static function load_user() { + $session = Session::instance(); + if (!($user = $session->get("user"))) { + $session->set("user", $user = Identity::guest()); + } + + // The installer cannot set a user into the session, so it just sets an id which we should + // upconvert into a user. + // @todo set the user name into the session instead of 2 and then use it to get the user object + if ($user === 2) { + $user = Instance::lookup_user_by_name("admin"); + self::set_active_user($user); + $session->set("user", $user); + } + + if (!$session->get("group_ids")) { + $ids = array(); + foreach ($user->groups as $group) { + $ids[] = $group->id; + } + $session->set("group_ids", $ids); + } + } + + /** + * Return the array of group ids this user belongs to + * + * @return array + */ + static function group_ids_for_active_user() { + return self::instance()->get("group_ids", array(1)); + } + + /** + * Return the active user. If there's no active user, return the guest user. + * + * @return User_Definition + */ + static function active_user() { + // @todo (maybe) cache this object so we're not always doing session lookups. + $user = self::instance()->get("user", null); + if (!isset($user)) { + // Don't do this as a fallback in the Session::get() call because it can trigger unnecessary + // work. + $user = Identity::guest(); + } + return $user; + } + + /** + * Change the active user. + * @param User_Definition $user + */ + static function set_active_user($user) { + $session = Session::instance(); + $session->set("user", $user); + $session->delete("group_ids"); + self::load_user(); + } +}
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