xref: /dokuwiki/lib/exe/ajax.php (revision 9664a2b801ce91ae3707306f01fb4cad528b1258) 
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(isset($_POST['call'])){
18    $call = $_POST['call'];
19}else if(isset($_GET['call'])){
20    $call = $_GET['call'];
21}else{
22    exit;
23}
24$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 $conf;
45    global $lang;
46
47    $query = $_POST['q'];
48    if(empty($query)) $query = $_GET['q'];
49    if(empty($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    foreach($data as $id => $title){
60        if (useHeading('navigation')) {
61            $name = $title;
62        } else {
63            $ns = getNS($id);
64            if($ns){
65                $name = noNS($id).' ('.$ns.')';
66            }else{
67                $name = $id;
68            }
69        }
70        echo '<li>' . html_wikilink(':'.$id,$name) . '</li>';
71    }
72    print '</ul>';
73}
74
75/**
76 * Support OpenSearch suggestions
77 *
78 * @link   http://www.opensearch.org/Specifications/OpenSearch/Extensions/Suggestions/1.0
79 * @author Mike Frysinger <vapier@gentoo.org>
80 */
81function ajax_suggestions() {
82    global $conf;
83    global $lang;
84
85    $query = cleanID($_POST['q']);
86    if(empty($query)) $query = cleanID($_GET['q']);
87    if(empty($query)) return;
88
89    $data = array();
90    $data = ft_pageLookup($query);
91    if(!count($data)) return;
92    $data = array_keys($data);
93
94    // limit results to 15 hits
95    $data = array_slice($data, 0, 15);
96    $data = array_map('trim',$data);
97    $data = array_map('noNS',$data);
98    $data = array_unique($data);
99    sort($data);
100
101    /* now construct a json */
102    $suggestions = array(
103                        $query,  // the original query
104                        $data,   // some suggestions
105                        array(), // no description
106                        array()  // no urls
107                   );
108    $json = new JSON();
109
110    header('Content-Type: application/x-suggestions+json');
111    print $json->encode($suggestions);
112}
113
114/**
115 * Refresh a page lock and save draft
116 *
117 * Andreas Gohr <andi@splitbrain.org>
118 */
119function ajax_lock(){
120    global $conf;
121    global $lang;
122    global $ID;
123    global $INFO;
124
125    $ID = cleanID($_POST['id']);
126    if(empty($ID)) return;
127
128    $INFO = pageinfo();
129
130    if (!$INFO['writable']) {
131        echo 'Permission denied';
132        return;
133    }
134
135    if(!checklock($ID)){
136        lock($ID);
137        echo 1;
138    }
139
140    if($conf['usedraft'] && $_POST['wikitext']){
141        $client = $_SERVER['REMOTE_USER'];
142        if(!$client) $client = clientIP(true);
143
144        $draft = array('id'     => $ID,
145                'prefix' => substr($_POST['prefix'], 0, -1),
146                'text'   => $_POST['wikitext'],
147                'suffix' => $_POST['suffix'],
148                'date'   => (int) $_POST['date'],
149                'client' => $client,
150                );
151        $cname = getCacheName($draft['client'].$ID,'.draft');
152        if(io_saveFile($cname,serialize($draft))){
153            echo $lang['draftdate'].' '.dformat();
154        }
155    }
156
157}
158
159/**
160 * Delete a draft
161 *
162 * @author Andreas Gohr <andi@splitbrain.org>
163 */
164function ajax_draftdel(){
165    $id = cleanID($_REQUEST['id']);
166    if(empty($id)) return;
167
168    $client = $_SERVER['REMOTE_USER'];
169    if(!$client) $client = clientIP(true);
170
171    $cname = getCacheName($client.$id,'.draft');
172    @unlink($cname);
173}
174
175/**
176 * Return subnamespaces for the Mediamanager
177 *
178 * @author Andreas Gohr <andi@splitbrain.org>
179 */
180function ajax_medians(){
181    global $conf;
182
183    // wanted namespace
184    $ns  = cleanID($_POST['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 $conf;
204    global $NS;
205
206    $NS = cleanID($_POST['ns']);
207    if ($_POST['do'] == 'media') {
208        tpl_mediaFileList();
209    } else {
210        tpl_mediaContent(true);
211    }
212}
213
214/**
215 * Return the content of the right column
216 * (image details) for the Mediamanager
217 *
218 * @author Kate Arzamastseva <pshns@ukr.net>
219 */
220function ajax_mediadetails(){
221    global $DEL, $NS, $IMG, $AUTH, $JUMPTO, $REV, $lang, $fullscreen, $conf;
222    $fullscreen = true;
223    require_once(DOKU_INC.'lib/exe/mediamanager.php');
224
225    if ($_REQUEST['image']) $image = cleanID($_REQUEST['image']);
226    if (isset($IMG)) $image = $IMG;
227    if (isset($JUMPTO)) $image = $JUMPTO;
228    if (isset($REV) && !$JUMPTO) $rev = $REV;
229
230    html_msgarea();
231    tpl_mediaFileDetails($image, $rev);
232}
233
234/**
235 * Returns image diff representation for mediamanager
236 * @author Kate Arzamastseva <pshns@ukr.net>
237 */
238function ajax_mediadiff(){
239    global $NS;
240
241    if ($_REQUEST['image']) $image = cleanID($_REQUEST['image']);
242    $NS = $_POST['ns'];
243    $auth = auth_quickaclcheck("$ns:*");
244    media_diff($image, $NS, $auth, true);
245}
246
247function ajax_mediaupload(){
248    global $NS, $MSG;
249
250    if ($_FILES['qqfile']['tmp_name']) {
251        $id = ((empty($_POST['mediaid'])) ? $_FILES['qqfile']['name'] : $_POST['mediaid']);
252    } elseif (isset($_GET['qqfile'])) {
253        $id = $_GET['qqfile'];
254    }
255
256    $id = cleanID($id);
257
258    $NS = $_REQUEST['ns'];
259    $ns = $NS.':'.getNS($id);
260
261    $AUTH = auth_quickaclcheck("$ns:*");
262    if($AUTH >= AUTH_UPLOAD) { io_createNamespace("$ns:xxx", 'media'); }
263
264    if ($_FILES['qqfile']['error']) unset($_FILES['qqfile']);
265
266    if ($_FILES['qqfile']['tmp_name']) $res = media_upload($NS, $AUTH, $_FILES['qqfile']);
267    if (isset($_GET['qqfile'])) $res = media_upload_xhr($NS, $AUTH);
268
269    if ($res) $result = array('success' => true,
270        'link' => media_managerURL(array('ns' => $ns, 'image' => $NS.':'.$id), '&'),
271        'id' => $NS.':'.$id, 'ns' => $NS);
272
273    if (!$result) {
274        $error = '';
275        if (isset($MSG)) {
276            foreach($MSG as $msg) $error .= $msg['msg'];
277        }
278        $result = array('error' => $msg['msg'], 'ns' => $NS);
279    }
280    $json = new JSON;
281    echo htmlspecialchars($json->encode($result), ENT_NOQUOTES);
282}
283
284function dir_delete($path) {
285    if (!is_string($path) || $path == "") return false;
286
287    if (is_dir($path) && !is_link($path)) {
288        if (!$dh = @opendir($path)) return false;
289
290        while ($f = readdir($dh)) {
291            if ($f == '..' || $f == '.') continue;
292            dir_delete("$path/$f");
293        }
294
295        closedir($dh);
296        return @rmdir($path);
297    } else {
298        return @unlink($path);
299    }
300
301    return false;
302}
303
304/**
305 * Return sub index for index view
306 *
307 * @author Andreas Gohr <andi@splitbrain.org>
308 */
309function ajax_index(){
310    global $conf;
311
312    // wanted namespace
313    $ns  = cleanID($_POST['idx']);
314    $dir  = utf8_encodeFN(str_replace(':','/',$ns));
315
316    $lvl = count(explode(':',$ns));
317
318    $data = array();
319    search($data,$conf['datadir'],'search_index',array('ns' => $ns),$dir);
320    foreach(array_keys($data) as $item){
321        $data[$item]['level'] = $lvl+1;
322    }
323    echo html_buildlist($data, 'idx', 'html_list_index', 'html_li_index');
324}
325
326/**
327 * List matching namespaces and pages for the link wizard
328 *
329 * @author Andreas Gohr <gohr@cosmocode.de>
330 */
331function ajax_linkwiz(){
332    global $conf;
333    global $lang;
334
335    $q  = ltrim(trim($_POST['q']),':');
336    $id = noNS($q);
337    $ns = getNS($q);
338
339    $ns = cleanID($ns);
340    $id = cleanID($id);
341
342    $nsd  = utf8_encodeFN(str_replace(':','/',$ns));
343    $idd  = utf8_encodeFN(str_replace(':','/',$id));
344
345    $data = array();
346    if($q && !$ns){
347
348        // use index to lookup matching pages
349        $pages = array();
350        $pages = ft_pageLookup($id,true);
351
352        // result contains matches in pages and namespaces
353        // we now extract the matching namespaces to show
354        // them seperately
355        $dirs  = array();
356
357        foreach($pages as $pid => $title){
358            if(strpos(noNS($pid),$id) === false){
359                // match was in the namespace
360                $dirs[getNS($pid)] = 1; // assoc array avoids dupes
361            }else{
362                // it is a matching page, add it to the result
363                $data[] = array(
364                        'id'    => $pid,
365                        'title' => $title,
366                        'type'  => 'f',
367                        );
368            }
369            unset($pages[$pid]);
370        }
371        foreach($dirs as $dir => $junk){
372            $data[] = array(
373                    'id'   => $dir,
374                    'type' => 'd',
375                    );
376        }
377
378    }else{
379
380        $opts = array(
381                'depth' => 1,
382                'listfiles' => true,
383                'listdirs'  => true,
384                'pagesonly' => true,
385                'firsthead' => true,
386                'sneakyacl' => $conf['sneaky_index'],
387                );
388        if($id) $opts['filematch'] = '^.*\/'.$id;
389        if($id) $opts['dirmatch']  = '^.*\/'.$id;
390        search($data,$conf['datadir'],'search_universal',$opts,$nsd);
391
392        // add back to upper
393        if($ns){
394            array_unshift($data,array(
395                        'id'   => getNS($ns),
396                        'type' => 'u',
397                        ));
398        }
399    }
400
401    // fixme sort results in a useful way ?
402
403    if(!count($data)){
404        echo $lang['nothingfound'];
405        exit;
406    }
407
408    // output the found data
409    $even = 1;
410    foreach($data as $item){
411        $even *= -1; //zebra
412
413        if(($item['type'] == 'd' || $item['type'] == 'u') && $item['id']) $item['id'] .= ':';
414        $link = wl($item['id']);
415
416        echo '<div class="'.(($even > 0)?'even':'odd').' type_'.$item['type'].'">';
417
418        if($item['type'] == 'u'){
419            $name = $lang['upperns'];
420        }else{
421            $name = htmlspecialchars($item['id']);
422        }
423
424        echo '<a href="'.$link.'" title="'.htmlspecialchars($item['id']).'" class="wikilink1">'.$name.'</a>';
425
426        if($item['title']){
427            echo '<span>'.htmlspecialchars($item['title']).'</span>';
428        }
429        echo '</div>';
430    }
431
432}
433
434//Setup VIM: ex: et ts=2 :
435