xref: /dokuwiki/lib/exe/ajax.php (revision e4f7f55e8d124e6bec8cafcfaa675d1b6c8f0b93) 
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 '".htmlspecialchars($call)."' unknown!\n";
30        exit;
31    }
32    $evt->advise_after();
33    unset($evt);
34}
35
36if (!function_exists('ajax_qsearch')) {
37/**
38 * Searches for matching pagenames
39 *
40 * @author Andreas Gohr <andi@splitbrain.org>
41 */
42function ajax_qsearch(){
43    global $lang;
44    global $INPUT;
45
46    $maxnumbersuggestions = 50;
47
48    $query = $INPUT->post->str('q');
49    if(empty($query)) $query = $INPUT->get->str('q');
50    if(empty($query)) return;
51
52    $query = urldecode($query);
53
54    $data = ft_pageLookup($query, true, useHeading('navigation'));
55
56    if(!count($data)) return;
57
58    print '<strong>'.$lang['quickhits'].'</strong>';
59    print '<ul>';
60    $counter = 0;
61    foreach($data as $id => $title){
62        if (useHeading('navigation')) {
63            $name = $title;
64        } else {
65            $ns = getNS($id);
66            if($ns){
67                $name = noNS($id).' ('.$ns.')';
68            }else{
69                $name = $id;
70            }
71        }
72        echo '<li>' . html_wikilink(':'.$id,$name) . '</li>';
73
74        $counter ++;
75        if($counter > $maxnumbersuggestions) {
76            echo '<li>...</li>';
77            break;
78        }
79    }
80    print '</ul>';
81}
82}
83
84if (!function_exists('ajax_suggestions')) {
85/**
86 * Support OpenSearch suggestions
87 *
88 * @link   http://www.opensearch.org/Specifications/OpenSearch/Extensions/Suggestions/1.0
89 * @author Mike Frysinger <vapier@gentoo.org>
90 */
91function ajax_suggestions() {
92    global $INPUT;
93
94    $query = cleanID($INPUT->post->str('q'));
95    if(empty($query)) $query = cleanID($INPUT->get->str('q'));
96    if(empty($query)) return;
97
98    $data = ft_pageLookup($query);
99    if(!count($data)) return;
100    $data = array_keys($data);
101
102    // limit results to 15 hits
103    $data = array_slice($data, 0, 15);
104    $data = array_map('trim',$data);
105    $data = array_map('noNS',$data);
106    $data = array_unique($data);
107    sort($data);
108
109    /* now construct a json */
110    $suggestions = array(
111                        $query,  // the original query
112                        $data,   // some suggestions
113                        array(), // no description
114                        array()  // no urls
115                   );
116    $json = new JSON();
117
118    header('Content-Type: application/x-suggestions+json');
119    print $json->encode($suggestions);
120}
121}
122
123if (!function_exists('ajax_lock')) {
124/**
125 * Refresh a page lock and save draft
126 *
127 * Andreas Gohr <andi@splitbrain.org>
128 */
129function ajax_lock(){
130    global $conf;
131    global $lang;
132    global $ID;
133    global $INFO;
134    global $INPUT;
135
136    $ID = cleanID($INPUT->post->str('id'));
137    if(empty($ID)) return;
138
139    $INFO = pageinfo();
140
141    if (!$INFO['writable']) {
142        echo 'Permission denied';
143        return;
144    }
145
146    if(!checklock($ID)){
147        lock($ID);
148        echo 1;
149    }
150
151    if($conf['usedraft'] && $INPUT->post->str('wikitext')){
152        $client = $_SERVER['REMOTE_USER'];
153        if(!$client) $client = clientIP(true);
154
155        $draft = array('id'     => $ID,
156                'prefix' => substr($INPUT->post->str('prefix'), 0, -1),
157                'text'   => $INPUT->post->str('wikitext'),
158                'suffix' => $INPUT->post->str('suffix'),
159                'date'   => $INPUT->post->int('date'),
160                'client' => $client,
161                );
162        $cname = getCacheName($draft['client'].$ID,'.draft');
163        if(io_saveFile($cname,serialize($draft))){
164            echo $lang['draftdate'].' '.dformat();
165        }
166    }
167
168}
169}
170
171if (!function_exists('ajax_draftdel')) {
172/**
173 * Delete a draft
174 *
175 * @author Andreas Gohr <andi@splitbrain.org>
176 */
177function ajax_draftdel(){
178    global $INPUT;
179    $id = cleanID($INPUT->str('id'));
180    if(empty($id)) return;
181
182    $client = $_SERVER['REMOTE_USER'];
183    if(!$client) $client = clientIP(true);
184
185    $cname = getCacheName($client.$id,'.draft');
186    @unlink($cname);
187}
188}
189
190if (!function_exists('ajax_medians')) {
191/**
192 * Return subnamespaces for the Mediamanager
193 *
194 * @author Andreas Gohr <andi@splitbrain.org>
195 */
196function ajax_medians(){
197    global $conf;
198    global $INPUT;
199
200    // wanted namespace
201    $ns  = cleanID($INPUT->post->str('ns'));
202    $dir  = utf8_encodeFN(str_replace(':','/',$ns));
203
204    $lvl = count(explode(':',$ns));
205
206    $data = array();
207    search($data,$conf['mediadir'],'search_index',array('nofiles' => true),$dir);
208    foreach(array_keys($data) as $item){
209        $data[$item]['level'] = $lvl+1;
210    }
211    echo html_buildlist($data, 'idx', 'media_nstree_item', 'media_nstree_li');
212}
213}
214if (!function_exists('ajax_medialist')) {
215/**
216 * Return list of files for the Mediamanager
217 *
218 * @author Andreas Gohr <andi@splitbrain.org>
219 */
220function ajax_medialist(){
221    global $NS;
222    global $INPUT;
223
224    $NS = cleanID($INPUT->post->str('ns'));
225    $sort = $INPUT->post->bool('recent') ? 'date' : 'natural';
226    if ($INPUT->post->str('do') == 'media') {
227        tpl_mediaFileList();
228    } else {
229        tpl_mediaContent(true, $sort);
230    }
231}
232}
233if(!function_exists('ajax_mediadetails')) {
234/**
235 * Return the content of the right column
236 * (image details) for the Mediamanager
237 *
238 * @author Kate Arzamastseva <pshns@ukr.net>
239 */
240function ajax_mediadetails(){
241    global $IMG, $JUMPTO, $REV, $fullscreen, $INPUT;
242    $fullscreen = true;
243    require_once(DOKU_INC.'lib/exe/mediamanager.php');
244
245    $image = '';
246    if ($INPUT->has('image')) $image = cleanID($INPUT->str('image'));
247    if (isset($IMG)) $image = $IMG;
248    if (isset($JUMPTO)) $image = $JUMPTO;
249    $rev = false;
250    if (isset($REV) && !$JUMPTO) $rev = $REV;
251
252    html_msgarea();
253    tpl_mediaFileDetails($image, $rev);
254}
255}
256
257if(!function_exists('ajax_mediadiff')) {
258/**
259 * Returns image diff representation for mediamanager
260 * @author Kate Arzamastseva <pshns@ukr.net>
261 */
262function ajax_mediadiff(){
263    global $NS;
264    global $INPUT;
265
266    $image = '';
267    if ($INPUT->has('image')) $image = cleanID($INPUT->str('image'));
268    $NS = getNS($image);
269    $auth = auth_quickaclcheck("$NS:*");
270    media_diff($image, $NS, $auth, true);
271}
272}
273if (!function_exists('ajax_mediaupload')) {
274function ajax_mediaupload(){
275    global $NS, $MSG, $INPUT;
276
277    $id = '';
278    if ($_FILES['qqfile']['tmp_name']) {
279        $id = $INPUT->post->str('mediaid', $_FILES['qqfile']['name']);
280    } elseif ($INPUT->get->has('qqfile')) {
281        $id = $INPUT->get->str('qqfile');
282    }
283
284    $id = cleanID($id);
285
286    $NS = $INPUT->str('ns');
287    $ns = $NS.':'.getNS($id);
288
289    $AUTH = auth_quickaclcheck("$ns:*");
290    if($AUTH >= AUTH_UPLOAD) { io_createNamespace("$ns:xxx", 'media'); }
291
292    if ($_FILES['qqfile']['error']) unset($_FILES['qqfile']);
293
294    $res = false;
295    if ($_FILES['qqfile']['tmp_name']) $res = media_upload($NS, $AUTH, $_FILES['qqfile']);
296    if ($INPUT->get->has('qqfile')) $res = media_upload_xhr($NS, $AUTH);
297
298    if($res) {
299        $result = array(
300            'success' => true,
301            'link' => media_managerURL(array('ns' => $ns, 'image' => $NS . ':' . $id), '&'),
302            'id' => $NS . ':' . $id,
303            'ns' => $NS
304        );
305    } else {
306        $error = '';
307        if(isset($MSG)) {
308            foreach($MSG as $msg) {
309                $error .= $msg['msg'];
310            }
311        }
312        $result = array(
313            'error' => $error,
314            'ns' => $NS
315        );
316    }
317    $json = new JSON;
318    header('Content-Type: application/json');
319    echo $json->encode($result);
320}
321}
322if (!function_exists('ajax_index')) {
323/**
324 * Return sub index for index view
325 *
326 * @author Andreas Gohr <andi@splitbrain.org>
327 */
328function ajax_index(){
329    global $conf;
330    global $INPUT;
331
332    // wanted namespace
333    $ns  = cleanID($INPUT->post->str('idx'));
334    $dir  = utf8_encodeFN(str_replace(':','/',$ns));
335
336    $lvl = count(explode(':',$ns));
337
338    $data = array();
339    search($data,$conf['datadir'],'search_index',array('ns' => $ns),$dir);
340    foreach(array_keys($data) as $item){
341        $data[$item]['level'] = $lvl+1;
342    }
343    echo html_buildlist($data, 'idx', 'html_list_index', 'html_li_index');
344}
345}
346
347if (!function_exists('ajax_linkwiz')) {
348/**
349 * List matching namespaces and pages for the link wizard
350 *
351 * @author Andreas Gohr <gohr@cosmocode.de>
352 */
353function ajax_linkwiz(){
354    global $conf;
355    global $lang;
356    global $INPUT;
357
358    $q  = ltrim(trim($INPUT->post->str('q')),':');
359    $id = noNS($q);
360    $ns = getNS($q);
361
362    $ns = cleanID($ns);
363    $id = cleanID($id);
364
365    $nsd  = utf8_encodeFN(str_replace(':','/',$ns));
366
367    $data = array();
368    if($q && !$ns){
369
370        // use index to lookup matching pages
371        $pages = ft_pageLookup($id,true);
372
373        // result contains matches in pages and namespaces
374        // we now extract the matching namespaces to show
375        // them seperately
376        $dirs  = array();
377
378        foreach($pages as $pid => $title){
379            if(strpos(noNS($pid),$id) === false){
380                // match was in the namespace
381                $dirs[getNS($pid)] = 1; // assoc array avoids dupes
382            }else{
383                // it is a matching page, add it to the result
384                $data[] = array(
385                        'id'    => $pid,
386                        'title' => $title,
387                        'type'  => 'f',
388                        );
389            }
390            unset($pages[$pid]);
391        }
392        foreach($dirs as $dir => $junk){
393            $data[] = array(
394                    'id'   => $dir,
395                    'type' => 'd',
396                    );
397        }
398
399    }else{
400
401        $opts = array(
402                'depth' => 1,
403                'listfiles' => true,
404                'listdirs'  => true,
405                'pagesonly' => true,
406                'firsthead' => true,
407                'sneakyacl' => $conf['sneaky_index'],
408                );
409        if($id) $opts['filematch'] = '^.*\/'.$id;
410        if($id) $opts['dirmatch']  = '^.*\/'.$id;
411        search($data,$conf['datadir'],'search_universal',$opts,$nsd);
412
413        // add back to upper
414        if($ns){
415            array_unshift($data,array(
416                        'id'   => getNS($ns),
417                        'type' => 'u',
418                        ));
419        }
420    }
421
422    // fixme sort results in a useful way ?
423
424    if(!count($data)){
425        echo $lang['nothingfound'];
426        exit;
427    }
428
429    // output the found data
430    $even = 1;
431    foreach($data as $item){
432        $even *= -1; //zebra
433
434        if(($item['type'] == 'd' || $item['type'] == 'u') && $item['id']) $item['id'] .= ':';
435        $link = wl($item['id']);
436
437        echo '<div class="'.(($even > 0)?'even':'odd').' type_'.$item['type'].'">';
438
439        if($item['type'] == 'u'){
440            $name = $lang['upperns'];
441        }else{
442            $name = htmlspecialchars($item['id']);
443        }
444
445        echo '<a href="'.$link.'" title="'.htmlspecialchars($item['id']).'" class="wikilink1">'.$name.'</a>';
446
447        if(!blank($item['title'])){
448            echo '<span>'.htmlspecialchars($item['title']).'</span>';
449        }
450        echo '</div>';
451    }
452
453}
454}
455//Setup VIM: ex: et ts=2 :
456