xref: /dokuwiki/lib/exe/ajax.php (revision 55a4f137738ef5718cc047e5fb802e1c6d0a409f) 
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->has('call')) {
18    $call = $INPUT->filter('utf8_stripspecials')->str('call');
19} else {
20    exit;
21}
22$callfn = 'ajax_'.$call;
23
24if(function_exists($callfn)){
25    $callfn();
26}else{
27    $evt = new Doku_Event('AJAX_CALL_UNKNOWN', $call);
28    if ($evt->advise_before()) {
29        print "AJAX call '".hsc($call)."' unknown!\n";
30        exit;
31    }
32    $evt->advise_after();
33    unset($evt);
34}
35
36/**
37 * Searches for matching pagenames
38 *
39 * @author Andreas Gohr <andi@splitbrain.org>
40 */
41function ajax_qsearch(){
42    global $lang;
43    global $INPUT;
44
45    $maxnumbersuggestions = 50;
46
47    $query = $INPUT->post->str('q');
48    if(empty($query)) $query = $INPUT->get->str('q');
49    if(empty($query)) return;
50
51    $query = urldecode($query);
52
53    $data = ft_pageLookup($query, true, useHeading('navigation'));
54
55    if(!count($data)) return;
56
57    print '<strong>'.$lang['quickhits'].'</strong>';
58    print '<ul>';
59    $counter = 0;
60    foreach($data as $id => $title){
61        if (useHeading('navigation')) {
62            $name = $title;
63        } else {
64            $ns = getNS($id);
65            if($ns){
66                $name = noNS($id).' ('.$ns.')';
67            }else{
68                $name = $id;
69            }
70        }
71        echo '<li>' . html_wikilink(':'.$id,$name) . '</li>';
72
73        $counter ++;
74        if($counter > $maxnumbersuggestions) {
75            echo '<li>...</li>';
76            break;
77        }
78    }
79    print '</ul>';
80}
81
82/**
83 * Support OpenSearch suggestions
84 *
85 * @link   http://www.opensearch.org/Specifications/OpenSearch/Extensions/Suggestions/1.0
86 * @author Mike Frysinger <vapier@gentoo.org>
87 */
88function ajax_suggestions() {
89    global $INPUT;
90
91    $query = cleanID($INPUT->post->str('q'));
92    if(empty($query)) $query = cleanID($INPUT->get->str('q'));
93    if(empty($query)) return;
94
95    $data = ft_pageLookup($query);
96    if(!count($data)) return;
97    $data = array_keys($data);
98
99    // limit results to 15 hits
100    $data = array_slice($data, 0, 15);
101    $data = array_map('trim',$data);
102    $data = array_map('noNS',$data);
103    $data = array_unique($data);
104    sort($data);
105
106    /* now construct a json */
107    $suggestions = array(
108                        $query,  // the original query
109                        $data,   // some suggestions
110                        array(), // no description
111                        array()  // no urls
112                   );
113    $json = new JSON();
114
115    header('Content-Type: application/x-suggestions+json');
116    print $json->encode($suggestions);
117}
118
119/**
120 * Refresh a page lock and save draft
121 *
122 * Andreas Gohr <andi@splitbrain.org>
123 */
124function ajax_lock(){
125    global $conf;
126    global $lang;
127    global $ID;
128    global $INFO;
129    global $INPUT;
130
131    $ID = cleanID($INPUT->post->str('id'));
132    if(empty($ID)) return;
133
134    $INFO = pageinfo();
135
136    if (!$INFO['writable']) {
137        echo 'Permission denied';
138        return;
139    }
140
141    if(!checklock($ID)){
142        lock($ID);
143        echo 1;
144    }
145
146    if($conf['usedraft'] && $INPUT->post->str('wikitext')){
147        $client = $_SERVER['REMOTE_USER'];
148        if(!$client) $client = clientIP(true);
149
150        $draft = array('id'     => $ID,
151                'prefix' => substr($INPUT->post->str('prefix'), 0, -1),
152                'text'   => $INPUT->post->str('wikitext'),
153                'suffix' => $INPUT->post->str('suffix'),
154                'date'   => $INPUT->post->int('date'),
155                'client' => $client,
156                );
157        $cname = getCacheName($draft['client'].$ID,'.draft');
158        if(io_saveFile($cname,serialize($draft))){
159            echo $lang['draftdate'].' '.dformat();
160        }
161    }
162
163}
164
165/**
166 * Delete a draft
167 *
168 * @author Andreas Gohr <andi@splitbrain.org>
169 */
170function ajax_draftdel(){
171    global $INPUT;
172    $id = cleanID($INPUT->str('id'));
173    if(empty($id)) return;
174
175    $client = $_SERVER['REMOTE_USER'];
176    if(!$client) $client = clientIP(true);
177
178    $cname = getCacheName($client.$id,'.draft');
179    @unlink($cname);
180}
181
182/**
183 * Return subnamespaces for the Mediamanager
184 *
185 * @author Andreas Gohr <andi@splitbrain.org>
186 */
187function ajax_medians(){
188    global $conf;
189    global $INPUT;
190
191    // wanted namespace
192    $ns  = cleanID($INPUT->post->str('ns'));
193    $dir  = utf8_encodeFN(str_replace(':','/',$ns));
194
195    $lvl = count(explode(':',$ns));
196
197    $data = array();
198    search($data,$conf['mediadir'],'search_index',array('nofiles' => true),$dir);
199    foreach(array_keys($data) as $item){
200        $data[$item]['level'] = $lvl+1;
201    }
202    echo html_buildlist($data, 'idx', 'media_nstree_item', 'media_nstree_li');
203}
204
205/**
206 * Return list of files for the Mediamanager
207 *
208 * @author Andreas Gohr <andi@splitbrain.org>
209 */
210function ajax_medialist(){
211    global $NS;
212    global $INPUT;
213
214    $NS = cleanID($INPUT->post->str('ns'));
215    $sort = $INPUT->post->bool('recent') ? 'date' : 'natural';
216    if ($INPUT->post->str('do') == 'media') {
217        tpl_mediaFileList();
218    } else {
219        tpl_mediaContent(true, $sort);
220    }
221}
222
223/**
224 * Return the content of the right column
225 * (image details) for the Mediamanager
226 *
227 * @author Kate Arzamastseva <pshns@ukr.net>
228 */
229function ajax_mediadetails(){
230    global $IMG, $JUMPTO, $REV, $fullscreen, $INPUT;
231    $fullscreen = true;
232    require_once(DOKU_INC.'lib/exe/mediamanager.php');
233
234    $image = '';
235    if ($INPUT->has('image')) $image = cleanID($INPUT->str('image'));
236    if (isset($IMG)) $image = $IMG;
237    if (isset($JUMPTO)) $image = $JUMPTO;
238    $rev = false;
239    if (isset($REV) && !$JUMPTO) $rev = $REV;
240
241    html_msgarea();
242    tpl_mediaFileDetails($image, $rev);
243}
244
245/**
246 * Returns image diff representation for mediamanager
247 * @author Kate Arzamastseva <pshns@ukr.net>
248 */
249function ajax_mediadiff(){
250    global $NS;
251    global $INPUT;
252
253    $image = '';
254    if ($INPUT->has('image')) $image = cleanID($INPUT->str('image'));
255    $NS = getNS($image);
256    $auth = auth_quickaclcheck("$NS:*");
257    media_diff($image, $NS, $auth, true);
258}
259
260function ajax_mediaupload(){
261    global $NS, $MSG, $INPUT;
262
263    $id = '';
264    if ($_FILES['qqfile']['tmp_name']) {
265        $id = $INPUT->post->str('mediaid', $_FILES['qqfile']['name']);
266    } elseif ($INPUT->get->has('qqfile')) {
267        $id = $INPUT->get->str('qqfile');
268    }
269
270    $id = cleanID($id);
271
272    $NS = $INPUT->str('ns');
273    $ns = $NS.':'.getNS($id);
274
275    $AUTH = auth_quickaclcheck("$ns:*");
276    if($AUTH >= AUTH_UPLOAD) { io_createNamespace("$ns:xxx", 'media'); }
277
278    if ($_FILES['qqfile']['error']) unset($_FILES['qqfile']);
279
280    $res = false;
281    if ($_FILES['qqfile']['tmp_name']) $res = media_upload($NS, $AUTH, $_FILES['qqfile']);
282    if ($INPUT->get->has('qqfile')) $res = media_upload_xhr($NS, $AUTH);
283
284    if($res) {
285        $result = array(
286            'success' => true,
287            'link' => media_managerURL(array('ns' => $ns, 'image' => $NS . ':' . $id), '&'),
288            'id' => $NS . ':' . $id,
289            'ns' => $NS
290        );
291    } else {
292        $error = '';
293        if(isset($MSG)) {
294            foreach($MSG as $msg) {
295                $error .= $msg['msg'];
296            }
297        }
298        $result = array(
299            'error' => $error,
300            'ns' => $NS
301        );
302    }
303    $json = new JSON;
304    header('Content-Type: application/json');
305    echo $json->encode($result);
306}
307
308/**
309 * Return sub index for index view
310 *
311 * @author Andreas Gohr <andi@splitbrain.org>
312 */
313function ajax_index(){
314    global $conf;
315    global $INPUT;
316
317    // wanted namespace
318    $ns  = cleanID($INPUT->post->str('idx'));
319    $dir  = utf8_encodeFN(str_replace(':','/',$ns));
320
321    $lvl = count(explode(':',$ns));
322
323    $data = array();
324    search($data,$conf['datadir'],'search_index',array('ns' => $ns),$dir);
325    foreach(array_keys($data) as $item){
326        $data[$item]['level'] = $lvl+1;
327    }
328    echo html_buildlist($data, 'idx', 'html_list_index', 'html_li_index');
329}
330
331/**
332 * List matching namespaces and pages for the link wizard
333 *
334 * @author Andreas Gohr <gohr@cosmocode.de>
335 */
336function ajax_linkwiz(){
337    global $conf;
338    global $lang;
339    global $INPUT;
340
341    $q  = ltrim(trim($INPUT->post->str('q')),':');
342    $id = noNS($q);
343    $ns = getNS($q);
344
345    $ns = cleanID($ns);
346    $id = cleanID($id);
347
348    $nsd  = utf8_encodeFN(str_replace(':','/',$ns));
349
350    $data = array();
351    if($q && !$ns){
352
353        // use index to lookup matching pages
354        $pages = ft_pageLookup($id,true);
355
356        // result contains matches in pages and namespaces
357        // we now extract the matching namespaces to show
358        // them seperately
359        $dirs  = array();
360
361        foreach($pages as $pid => $title){
362            if(strpos(noNS($pid),$id) === false){
363                // match was in the namespace
364                $dirs[getNS($pid)] = 1; // assoc array avoids dupes
365            }else{
366                // it is a matching page, add it to the result
367                $data[] = array(
368                        'id'    => $pid,
369                        'title' => $title,
370                        'type'  => 'f',
371                        );
372            }
373            unset($pages[$pid]);
374        }
375        foreach($dirs as $dir => $junk){
376            $data[] = array(
377                    'id'   => $dir,
378                    'type' => 'd',
379                    );
380        }
381
382    }else{
383
384        $opts = array(
385                'depth' => 1,
386                'listfiles' => true,
387                'listdirs'  => true,
388                'pagesonly' => true,
389                'firsthead' => true,
390                'sneakyacl' => $conf['sneaky_index'],
391                );
392        if($id) $opts['filematch'] = '^.*\/'.$id;
393        if($id) $opts['dirmatch']  = '^.*\/'.$id;
394        search($data,$conf['datadir'],'search_universal',$opts,$nsd);
395
396        // add back to upper
397        if($ns){
398            array_unshift($data,array(
399                        'id'   => getNS($ns),
400                        'type' => 'u',
401                        ));
402        }
403    }
404
405    // fixme sort results in a useful way ?
406
407    if(!count($data)){
408        echo $lang['nothingfound'];
409        exit;
410    }
411
412    // output the found data
413    $even = 1;
414    foreach($data as $item){
415        $even *= -1; //zebra
416
417        if(($item['type'] == 'd' || $item['type'] == 'u') && $item['id']) $item['id'] .= ':';
418        $link = wl($item['id']);
419
420        echo '<div class="'.(($even > 0)?'even':'odd').' type_'.$item['type'].'">';
421
422        if($item['type'] == 'u'){
423            $name = $lang['upperns'];
424        }else{
425            $name = hsc($item['id']);
426        }
427
428        echo '<a href="'.$link.'" title="'.hsc($item['id']).'" class="wikilink1">'.$name.'</a>';
429
430        if(!blank($item['title'])){
431            echo '<span>'.hsc($item['title']).'</span>';
432        }
433        echo '</div>';
434    }
435
436}
437
438//Setup VIM: ex: et ts=2 :
439