1<?php
2/*
3 * Gallery - a web based photo album viewer and editor
4 * Copyright (C) 2000-2008 Bharat Mediratta
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or (at
9 * your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
19 */
20
21/**
22 * This controller will handle a user logging out of Gallery
23 * @package GalleryCore
24 * @subpackage UserInterface
25 * @author Bharat Mediratta <bharat@menalto.com>
26 * @version $Revision: 17580 $
27 */
28class LogoutController extends GalleryController {
29
30    /**
31     * @see GalleryController::isAllowedInMaintenance
32     */
33    function isAllowedInMaintenance() {
34	return true;
35    }
36
37    /**
38     * @see GalleryController::handleRequest
39     */
40    function handleRequest($form) {
41	global $gallery;
42
43	$event = GalleryCoreApi::newEvent('Gallery::Logout');
44	$activeUser = $gallery->getActiveUser();
45	$event->setEntity($activeUser);
46	list ($ret, $eventResults) = GalleryCoreApi::postEvent($event);
47	if ($ret) {
48	    return array($ret, null);
49	}
50
51	$results = array();
52	foreach ($eventResults as $key => $value) {
53	    if (!empty($value['delegate'])) {
54		$results['delegate'] = $value['delegate'];
55	    }
56	}
57
58	$session =& $gallery->getSession();
59	$ret = $session->reset();
60	if ($ret) {
61	    return array($ret, null);
62	}
63
64	list ($ret, $anonymousId) = GalleryCoreApi::getAnonymousUserId();
65	if ($ret) {
66	    return array($ret, null);
67	}
68	list ($ret, $guestUser) = GalleryCoreApi::loadEntitiesById($anonymousId, 'GalleryUser');
69	if ($ret) {
70	    return array($ret, null);
71	}
72
73	$gallery->setActiveUser($guestUser);
74
75	if (!isset($results['status'])) {
76	    $results['status'] = array();
77	}
78	if (!isset($results['error'])) {
79	    $results['error'] = array();
80	}
81
82	/*
83	 * Force return to core.ShowItem, as we don't know if the guest user has necessary
84	 * permissions for the return page
85	 */
86	if (!isset($results['return'])
87		&& !isset($results['redirect'])
88		&& !isset($results['delegate'])) {
89	    $results['redirect']['view'] = GALLERY_DEFAULT_VIEW;
90	}
91
92	return array(null, $results);
93    }
94}
95?>
96