xref: /dokuwiki/inc/actions.php (revision 2571786c763e04c7abbf27c2245a5720878dc3f1) 
1<?php
2/**
3 * DokuWiki Actions
4 *
5 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6 * @author     Andreas Gohr <andi@splitbrain.org>
7 */
8
9if(!defined('DOKU_INC')) die('meh.');
10
11
12function act_dispatch(){
13    $router = \dokuwiki\ActionRouter::getInstance(); // is this needed here or could we delegate it to tpl_content() later?
14
15    $headers = array('Content-Type: text/html; charset=utf-8');
16    trigger_event('ACTION_HEADERS_SEND',$headers,'act_sendheaders');
17
18    // clear internal variables
19    unset($router);
20    unset($headers);
21    // make all globals available to the template
22    extract($GLOBALS);
23
24    include(template('main.php'));
25    // output for the commands is now handled in inc/templates.php
26    // in function tpl_content()
27}
28
29/**
30 * Send the given headers using header()
31 *
32 * @param array $headers The headers that shall be sent
33 */
34function act_sendheaders($headers) {
35    foreach ($headers as $hdr) header($hdr);
36}
37
38/**
39 * Sanitize the action command
40 *
41 * @author Andreas Gohr <andi@splitbrain.org>
42 *
43 * @param array|string $act
44 * @return string
45 */
46function act_clean($act){
47    // check if the action was given as array key
48    if(is_array($act)){
49        list($act) = array_keys($act);
50    }
51
52    //remove all bad chars
53    $act = strtolower($act);
54    $act = preg_replace('/[^1-9a-z_]+/','',$act);
55
56    if($act == 'export_html') $act = 'export_xhtml';
57    if($act == 'export_htmlbody') $act = 'export_xhtmlbody';
58
59    if($act === '') $act = 'show';
60    return $act;
61}
62
63
64/**
65 * Handle 'draftdel'
66 *
67 * Deletes the draft for the current page and user
68 *
69 * @param string $act action command
70 * @return string action command
71 */
72function act_draftdel($act){
73    global $INFO;
74    @unlink($INFO['draft']);
75    $INFO['draft'] = null;
76    return 'show';
77}
78
79/**
80 * Do a redirect after receiving post data
81 *
82 * Tries to add the section id as hash mark after section editing
83 *
84 * @param string $id page id
85 * @param string $preact action command before redirect
86 */
87function act_redirect($id,$preact){
88    global $PRE;
89    global $TEXT;
90    global $INPUT;
91
92    $opts = array(
93            'id'       => $id,
94            'preact'   => $preact
95            );
96    //get section name when coming from section edit
97    if ($INPUT->has('hid')) {
98        // Use explicitly transmitted header id
99        $opts['fragment'] = $INPUT->str('hid');
100    } else if($PRE && preg_match('/^\s*==+([^=\n]+)/',$TEXT,$match)){
101        // Fallback to old mechanism
102        $check = false; //Byref
103        $opts['fragment'] = sectionID($match[0], $check);
104    }
105
106    trigger_event('ACTION_SHOW_REDIRECT',$opts,'act_redirect_execute');
107}
108
109/**
110 * Execute the redirect
111 *
112 * @param array $opts id and fragment for the redirect and the preact
113 */
114function act_redirect_execute($opts){
115    $go = wl($opts['id'],'',true);
116    if(isset($opts['fragment'])) $go .= '#'.$opts['fragment'];
117
118    //show it
119    send_redirect($go);
120}
121
122
123//Setup VIM: ex: et ts=2 :
124