xref: /dokuwiki/lib/exe/ajax.php (revision 0f9e19d90383dd0deb85e1c4ef4750811f102d0f) 
1<?php
2/**
3 * DokuWiki AJAX call handler
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')) define('DOKU_INC',dirname(__FILE__).'/../../');
10require_once(DOKU_INC.'inc/init.php');
11//close session
12session_write_close();
13
14header('Content-Type: text/html; charset=utf-8');
15
16//call the requested function
17if($INPUT->post->has('call')){
18    $call = $INPUT->post->str('call');
19}else if($INPUT->get->has('call')){
20    $call = $INPUT->get->str('call');
21}else{
22    exit;
23}
24$callfn = 'ajax_'.$call;
25
26if(function_exists($callfn)){
27    $callfn();
28}else{
29    $evt = new Doku_Event('AJAX_CALL_UNKNOWN', $call);
30    if ($evt->advise_before()) {
31        print "AJAX call '".htmlspecialchars($call)."' unknown!\n";
32        exit;
33    }
34    $evt->advise_after();
35    unset($evt);
36}
37
38/**
39 * Searches for matching pagenames
40 *
41 * @author Andreas Gohr <andi@splitbrain.org>
42 */
43function ajax_qsearch(){
44    global $lang;
45    global $INPUT;
46
47    $maxnumbersuggestions = 50;
48
49    $query = $INPUT->post->str('q');
50    if(empty($query)) $query = $INPUT->get->str('q');
51    if(empty($query)) return;
52
53    $query = urldecode($query);
54
55    $data = ft_pageLookup($query, true, useHeading('navigation'));
56
57    if(!count($data)) return;
58
59    print '<strong>'.$lang['quickhits'].'</strong>';
60    print '<ul>';
61    $counter = 0;
62    foreach($data as $id => $title){
63        if (useHeading('navigation')) {
64            $name = $title;
65        } else {
66            $ns = getNS($id);
67            if($ns){
68                $name = noNS($id).' ('.$ns.')';
69            }else{
70                $name = $id;
71            }
72        }
73        echo '<li>' . html_wikilink(':'.$id,$name) . '</li>';
74
75        $counter ++;
76        if($counter > $maxnumbersuggestions) {
77            echo '<li>...</li>';
78            break;
79        }
80    }
81    print '</ul>';
82}
83
84/**
85 * Support OpenSearch suggestions
86 *
87 * @link   http://www.opensearch.org/Specifications/OpenSearch/Extensions/Suggestions/1.0
88 * @author Mike Frysinger <vapier@gentoo.org>
89 */
90function ajax_suggestions() {
91    global $INPUT;
92
93    $query = cleanID($INPUT->post->str('q'));
94    if(empty($query)) $query = cleanID($INPUT->get->str('q'));
95    if(empty($query)) return;
96
97    $data = ft_pageLookup($query);
98    if(!count($data)) return;
99    $data = array_keys($data);
100
101    // limit results to 15 hits
102    $data = array_slice($data, 0, 15);
103    $data = array_map('trim',$data);
104    $data = array_map('noNS',$data);
105    $data = array_unique($data);
106    sort($data);
107
108    /* now construct a json */
109    $suggestions = array(
110                        $query,  // the original query
111                        $data,   // some suggestions
112                        array(), // no description
113                        array()  // no urls
114                   );
115    $json = new JSON();
116
117    header('Content-Type: application/x-suggestions+json');
118    print $json->encode($suggestions);
119}
120
121/**
122 * Refresh a page lock and save draft
123 *
124 * Andreas Gohr <andi@splitbrain.org>
125 */
126function ajax_lock(){
127    global $lang;
128    global $ID;
129    global $INFO;
130    global $INPUT;
131
132    $ID = cleanID($INPUT->post->str('id'));
133    if($ID === '') return;
134    $INFO = pageinfo();
135    if(isset($INFO['draft'])) unset($INFO['draft']);
136
137    // the preview action does locking and draft saving for us
138    try {
139        $preview = new \dokuwiki\Action\Preview();
140        $preview->checkPermissions();
141        $preview->preProcess();
142    } catch(\dokuwiki\Action\Exception\ActionException $e) {
143        echo $e->getMessage();
144        return;
145    }
146
147    if(!checklock($ID)){
148        lock($ID);
149        echo 1;
150    }
151
152    if(isset($INFO['draft'])) {
153        echo $lang['draftdate'].' '.dformat();
154    }
155}
156
157/**
158 * Delete a draft
159 *
160 * @author Andreas Gohr <andi@splitbrain.org>
161 */
162function ajax_draftdel(){
163    global $INPUT;
164    $id = cleanID($INPUT->str('id'));
165    if(empty($id)) return;
166
167    $client = $_SERVER['REMOTE_USER'];
168    if(!$client) $client = clientIP(true);
169
170    $cname = getCacheName($client.$id,'.draft');
171    @unlink($cname);
172}
173
174/**
175 * Return subnamespaces for the Mediamanager
176 *
177 * @author Andreas Gohr <andi@splitbrain.org>
178 */
179function ajax_medians(){
180    global $conf;
181    global $INPUT;
182
183    // wanted namespace
184    $ns  = cleanID($INPUT->post->str('ns'));
185    $dir  = utf8_encodeFN(str_replace(':','/',$ns));
186
187    $lvl = count(explode(':',$ns));
188
189    $data = array();
190    search($data,$conf['mediadir'],'search_index',array('nofiles' => true),$dir);
191    foreach(array_keys($data) as $item){
192        $data[$item]['level'] = $lvl+1;
193    }
194    echo html_buildlist($data, 'idx', 'media_nstree_item', 'media_nstree_li');
195}
196
197/**
198 * Return list of files for the Mediamanager
199 *
200 * @author Andreas Gohr <andi@splitbrain.org>
201 */
202function ajax_medialist(){
203    global $NS;
204    global $INPUT;
205
206    $NS = cleanID($INPUT->post->str('ns'));
207    $sort = $INPUT->post->bool('recent') ? 'date' : 'natural';
208    if ($INPUT->post->str('do') == 'media') {
209        tpl_mediaFileList();
210    } else {
211        tpl_mediaContent(true, $sort);
212    }
213}
214
215/**
216 * Return the content of the right column
217 * (image details) for the Mediamanager
218 *
219 * @author Kate Arzamastseva <pshns@ukr.net>
220 */
221function ajax_mediadetails(){
222    global $IMG, $JUMPTO, $REV, $fullscreen, $INPUT;
223    $fullscreen = true;
224    require_once(DOKU_INC.'lib/exe/mediamanager.php');
225
226    $image = '';
227    if ($INPUT->has('image')) $image = cleanID($INPUT->str('image'));
228    if (isset($IMG)) $image = $IMG;
229    if (isset($JUMPTO)) $image = $JUMPTO;
230    $rev = false;
231    if (isset($REV) && !$JUMPTO) $rev = $REV;
232
233    html_msgarea();
234    tpl_mediaFileDetails($image, $rev);
235}
236
237/**
238 * Returns image diff representation for mediamanager
239 * @author Kate Arzamastseva <pshns@ukr.net>
240 */
241function ajax_mediadiff(){
242    global $NS;
243    global $INPUT;
244
245    $image = '';
246    if ($INPUT->has('image')) $image = cleanID($INPUT->str('image'));
247    $NS = getNS($image);
248    $auth = auth_quickaclcheck("$NS:*");
249    media_diff($image, $NS, $auth, true);
250}
251
252function ajax_mediaupload(){
253    global $NS, $MSG, $INPUT;
254
255    $id = '';
256    if ($_FILES['qqfile']['tmp_name']) {
257        $id = $INPUT->post->str('mediaid', $_FILES['qqfile']['name']);
258    } elseif ($INPUT->get->has('qqfile')) {
259        $id = $INPUT->get->str('qqfile');
260    }
261
262    $id = cleanID($id);
263
264    $NS = $INPUT->str('ns');
265    $ns = $NS.':'.getNS($id);
266
267    $AUTH = auth_quickaclcheck("$ns:*");
268    if($AUTH >= AUTH_UPLOAD) { io_createNamespace("$ns:xxx", 'media'); }
269
270    if ($_FILES['qqfile']['error']) unset($_FILES['qqfile']);
271
272    $res = false;
273    if ($_FILES['qqfile']['tmp_name']) $res = media_upload($NS, $AUTH, $_FILES['qqfile']);
274    if ($INPUT->get->has('qqfile')) $res = media_upload_xhr($NS, $AUTH);
275
276    if($res) {
277        $result = array(
278            'success' => true,
279            'link' => media_managerURL(array('ns' => $ns, 'image' => $NS . ':' . $id), '&'),
280            'id' => $NS . ':' . $id,
281            'ns' => $NS
282        );
283    } else {
284        $error = '';
285        if(isset($MSG)) {
286            foreach($MSG as $msg) {
287                $error .= $msg['msg'];
288            }
289        }
290        $result = array(
291            'error' => $error,
292            'ns' => $NS
293        );
294    }
295    $json = new JSON;
296    header('Content-Type: application/json');
297    echo $json->encode($result);
298}
299
300/**
301 * Return sub index for index view
302 *
303 * @author Andreas Gohr <andi@splitbrain.org>
304 */
305function ajax_index(){
306    global $conf;
307    global $INPUT;
308
309    // wanted namespace
310    $ns  = cleanID($INPUT->post->str('idx'));
311    $dir  = utf8_encodeFN(str_replace(':','/',$ns));
312
313    $lvl = count(explode(':',$ns));
314
315    $data = array();
316    search($data,$conf['datadir'],'search_index',array('ns' => $ns),$dir);
317    foreach(array_keys($data) as $item){
318        $data[$item]['level'] = $lvl+1;
319    }
320    echo html_buildlist($data, 'idx', 'html_list_index', 'html_li_index');
321}
322
323/**
324 * List matching namespaces and pages for the link wizard
325 *
326 * @author Andreas Gohr <gohr@cosmocode.de>
327 */
328function ajax_linkwiz(){
329    global $conf;
330    global $lang;
331    global $INPUT;
332
333    $q  = ltrim(trim($INPUT->post->str('q')),':');
334    $id = noNS($q);
335    $ns = getNS($q);
336
337    $ns = cleanID($ns);
338    $id = cleanID($id);
339
340    $nsd  = utf8_encodeFN(str_replace(':','/',$ns));
341
342    $data = array();
343    if($q && !$ns){
344
345        // use index to lookup matching pages
346        $pages = ft_pageLookup($id,true);
347
348        // result contains matches in pages and namespaces
349        // we now extract the matching namespaces to show
350        // them seperately
351        $dirs  = array();
352
353        foreach($pages as $pid => $title){
354            if(strpos(noNS($pid),$id) === false){
355                // match was in the namespace
356                $dirs[getNS($pid)] = 1; // assoc array avoids dupes
357            }else{
358                // it is a matching page, add it to the result
359                $data[] = array(
360                        'id'    => $pid,
361                        'title' => $title,
362                        'type'  => 'f',
363                        );
364            }
365            unset($pages[$pid]);
366        }
367        foreach($dirs as $dir => $junk){
368            $data[] = array(
369                    'id'   => $dir,
370                    'type' => 'd',
371                    );
372        }
373
374    }else{
375
376        $opts = array(
377                'depth' => 1,
378                'listfiles' => true,
379                'listdirs'  => true,
380                'pagesonly' => true,
381                'firsthead' => true,
382                'sneakyacl' => $conf['sneaky_index'],
383                );
384        if($id) $opts['filematch'] = '^.*\/'.$id;
385        if($id) $opts['dirmatch']  = '^.*\/'.$id;
386        search($data,$conf['datadir'],'search_universal',$opts,$nsd);
387
388        // add back to upper
389        if($ns){
390            array_unshift($data,array(
391                        'id'   => getNS($ns),
392                        'type' => 'u',
393                        ));
394        }
395    }
396
397    // fixme sort results in a useful way ?
398
399    if(!count($data)){
400        echo $lang['nothingfound'];
401        exit;
402    }
403
404    // output the found data
405    $even = 1;
406    foreach($data as $item){
407        $even *= -1; //zebra
408
409        if(($item['type'] == 'd' || $item['type'] == 'u') && $item['id']) $item['id'] .= ':';
410        $link = wl($item['id']);
411
412        echo '<div class="'.(($even > 0)?'even':'odd').' type_'.$item['type'].'">';
413
414        if($item['type'] == 'u'){
415            $name = $lang['upperns'];
416        }else{
417            $name = htmlspecialchars($item['id']);
418        }
419
420        echo '<a href="'.$link.'" title="'.htmlspecialchars($item['id']).'" class="wikilink1">'.$name.'</a>';
421
422        if(!blank($item['title'])){
423            echo '<span>'.htmlspecialchars($item['title']).'</span>';
424        }
425        echo '</div>';
426    }
427
428}
429
430//Setup VIM: ex: et ts=2 :
431