xref: /dokuwiki/lib/plugins/acl/action.php (revision 6f54d7aedcf5d8eeed7a45ec2d5647129675f136)
1<?php
2/**
3 * AJAX call handler for ACL plugin
4 *
5 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6 * @author     Andreas Gohr <andi@splitbrain.org>
7 */
8
9// must be run within Dokuwiki
10if(!defined('DOKU_INC')) die();
11
12/**
13 * Register handler
14 */
15class action_plugin_acl extends DokuWiki_Action_Plugin {
16
17    /**
18     * Registers a callback function for a given event
19     *
20     * @param Doku_Event_Handler $controller DokuWiki's event controller object
21     * @return void
22     */
23    public function register(Doku_Event_Handler $controller) {
24
25        $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'handle_ajax_call_acl');
26
27    }
28
29    /**
30     * AJAX call handler for ACL plugin
31     *
32     * @param Doku_Event $event  event object by reference
33     * @param mixed $param  empty
34     * @return void
35     */
36
37    public function handle_ajax_call_acl(Doku_Event $event, $param) {
38        if($event->data !== 'plugin_acl') {
39            return;
40        }
41        $event->stopPropagation();
42        $event->preventDefault();
43
44        global $ID;
45        global $INPUT;
46
47        /** @var $acl admin_plugin_acl */
48        $acl = plugin_load('admin', 'acl');
49
50        if(!$acl->isAccessibleByCurrentUser()) {
51            echo 'for admins only';
52            return;
53        }
54        if(!checkSecurityToken()) {
55            echo 'CRSF Attack';
56            return;
57        }
58
59        $ID = getID();
60        $acl->handle();
61
62        $ajax = $INPUT->str('ajax');
63        header('Content-Type: text/html; charset=utf-8');
64
65        if($ajax == 'info') {
66            $acl->_html_info();
67        } elseif($ajax == 'tree') {
68
69            $ns = $INPUT->str('ns');
70            if($ns == '*') {
71                $ns = '';
72            }
73            $ns = cleanID($ns);
74            $lvl = count(explode(':', $ns));
75            $ns = utf8_encodeFN(str_replace(':', '/', $ns));
76
77            $data = $acl->_get_tree($ns, $ns);
78
79            foreach(array_keys($data) as $item) {
80                $data[$item]['level'] = $lvl + 1;
81            }
82            echo html_buildlist(
83                $data, 'acl', array($acl, '_html_list_acl'),
84                array($acl, '_html_li_acl')
85            );
86        }
87    }
88}
89