xref: /dokuwiki/lib/plugins/extension/action.php (revision 257ea06e660866808a0725781fbc884c38bb0222) 
1<?php
2/** DokuWiki Plugin extension (Action Component)
3 *
4 * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
5 * @author  Andreas Gohr <andi@splitbrain.org>
6 */
7
8class action_plugin_extension extends DokuWiki_Action_Plugin
9{
10
11    /**
12     * Registers a callback function for a given event
13     *
14     * @param Doku_Event_Handler $controller DokuWiki's event controller object
15     * @return void
16     */
17    public function register(Doku_Event_Handler $controller)
18    {
19        $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'info');
20    }
21
22    /**
23     * Create the detail info for a single plugin
24     *
25     * @param Doku_Event $event
26     * @param            $param
27     */
28    public function info(Doku_Event $event, $param)
29    {
30        global $USERINFO;
31        global $INPUT;
32
33        if ($event->data != 'plugin_extension') return;
34        $event->preventDefault();
35        $event->stopPropagation();
36
37        /** @var admin_plugin_extension $admin */
38        $admin = plugin_load('admin', 'extension');
39        if (!$admin->isAccessibleByCurrentUser()) {
40            http_status(403);
41            echo 'Forbidden';
42            exit;
43        }
44
45        $ext = $INPUT->str('ext');
46        if (!$ext) {
47            http_status(400);
48            echo 'no extension given';
49            return;
50        }
51
52        /** @var helper_plugin_extension_extension $extension */
53        $extension = plugin_load('helper', 'extension_extension');
54        $extension->setExtension($ext);
55
56        $act = $INPUT->str('act');
57        switch ($act) {
58            case 'enable':
59            case 'disable':
60                if(getSecurityToken() != $INPUT->str('sectok')) {
61                    http_status(403);
62                    echo 'Security Token did not match. Possible CSRF attack.';
63                    return;
64                }
65
66                $extension->$act(); //enables/disables
67                $reverse = ($act == 'disable') ? 'enable' : 'disable';
68
69                $return = array(
70                    'state'   => $act.'d', // isn't English wonderful? :-)
71                    'reverse' => $reverse,
72                    'label'   => $extension->getLang('btn_'.$reverse)
73                );
74
75                header('Content-Type: application/json');
76                echo json_encode($return);
77                break;
78
79            case 'info':
80            default:
81                /** @var helper_plugin_extension_list $list */
82                $list = plugin_load('helper', 'extension_list');
83                header('Content-Type: text/html; charset=utf-8');
84                echo $list->makeInfo($extension);
85        }
86    }
87}
88