xref: /dokuwiki/lib/exe/ajax.php (revision 649ee76f050057709402fd3d70243ea537d72b27) 
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 $conf;
45    global $lang;
46    global $INPUT;
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    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    print '</ul>';
74}
75
76/**
77 * Support OpenSearch suggestions
78 *
79 * @link   http://www.opensearch.org/Specifications/OpenSearch/Extensions/Suggestions/1.0
80 * @author Mike Frysinger <vapier@gentoo.org>
81 */
82function ajax_suggestions() {
83    global $conf;
84    global $lang;
85    global $INPUT;
86
87    $query = cleanID($INPUT->post->str('q'));
88    if(empty($query)) $query = cleanID($INPUT->get->str('q'));
89    if(empty($query)) return;
90
91    $data = array();
92    $data = ft_pageLookup($query);
93    if(!count($data)) return;
94    $data = array_keys($data);
95
96    // limit results to 15 hits
97    $data = array_slice($data, 0, 15);
98    $data = array_map('trim',$data);
99    $data = array_map('noNS',$data);
100    $data = array_unique($data);
101    sort($data);
102
103    /* now construct a json */
104    $suggestions = array(
105                        $query,  // the original query
106                        $data,   // some suggestions
107                        array(), // no description
108                        array()  // no urls
109                   );
110    $json = new JSON();
111
112    header('Content-Type: application/x-suggestions+json');
113    print $json->encode($suggestions);
114}
115
116/**
117 * Refresh a page lock and save draft
118 *
119 * Andreas Gohr <andi@splitbrain.org>
120 */
121function ajax_lock(){
122    global $conf;
123    global $lang;
124    global $ID;
125    global $INFO;
126    global $INPUT;
127
128    $ID = cleanID($INPUT->post->str('id'));
129    if(empty($ID)) return;
130
131    $INFO = pageinfo();
132
133    if (!$INFO['writable']) {
134        echo 'Permission denied';
135        return;
136    }
137
138    if(!checklock($ID)){
139        lock($ID);
140        echo 1;
141    }
142
143    if($conf['usedraft'] && $INPUT->post->str('wikitext')){
144        $client = $_SERVER['REMOTE_USER'];
145        if(!$client) $client = clientIP(true);
146
147        $draft = array('id'     => $ID,
148                'prefix' => substr($INPUT->post->str('prefix'), 0, -1),
149                'text'   => $INPUT->post->str('wikitext'),
150                'suffix' => $INPUT->post->str('suffix'),
151                'date'   => $INPUT->post->int('date'),
152                'client' => $client,
153                );
154        $cname = getCacheName($draft['client'].$ID,'.draft');
155        if(io_saveFile($cname,serialize($draft))){
156            echo $lang['draftdate'].' '.dformat();
157        }
158    }
159
160}
161
162/**
163 * Delete a draft
164 *
165 * @author Andreas Gohr <andi@splitbrain.org>
166 */
167function ajax_draftdel(){
168    global $INPUT;
169    $id = cleanID($INPUT->str('id'));
170    if(empty($id)) return;
171
172    $client = $_SERVER['REMOTE_USER'];
173    if(!$client) $client = clientIP(true);
174
175    $cname = getCacheName($client.$id,'.draft');
176    @unlink($cname);
177}
178
179/**
180 * Return subnamespaces for the Mediamanager
181 *
182 * @author Andreas Gohr <andi@splitbrain.org>
183 */
184function ajax_medians(){
185    global $conf;
186    global $INPUT;
187
188    // wanted namespace
189    $ns  = cleanID($INPUT->post->str('ns'));
190    $dir  = utf8_encodeFN(str_replace(':','/',$ns));
191
192    $lvl = count(explode(':',$ns));
193
194    $data = array();
195    search($data,$conf['mediadir'],'search_index',array('nofiles' => true),$dir);
196    foreach(array_keys($data) as $item){
197        $data[$item]['level'] = $lvl+1;
198    }
199    echo html_buildlist($data, 'idx', 'media_nstree_item', 'media_nstree_li');
200}
201
202/**
203 * Return list of files for the Mediamanager
204 *
205 * @author Andreas Gohr <andi@splitbrain.org>
206 */
207function ajax_medialist(){
208    global $conf;
209    global $NS;
210    global $INPUT;
211
212    $NS = cleanID($INPUT->post->str('ns'));
213    if ($INPUT->post->str('do') == 'media') {
214        tpl_mediaFileList();
215    } else {
216        tpl_mediaContent(true);
217    }
218}
219
220/**
221 * Return the content of the right column
222 * (image details) for the Mediamanager
223 *
224 * @author Kate Arzamastseva <pshns@ukr.net>
225 */
226function ajax_mediadetails(){
227    global $DEL, $NS, $IMG, $AUTH, $JUMPTO, $REV, $lang, $fullscreen, $conf, $INPUT;
228    $fullscreen = true;
229    require_once(DOKU_INC.'lib/exe/mediamanager.php');
230
231    if ($INPUT->has('image')) $image = cleanID($INPUT->str('image'));
232    if (isset($IMG)) $image = $IMG;
233    if (isset($JUMPTO)) $image = $JUMPTO;
234    if (isset($REV) && !$JUMPTO) $rev = $REV;
235
236    html_msgarea();
237    tpl_mediaFileDetails($image, $rev);
238}
239
240/**
241 * Returns image diff representation for mediamanager
242 * @author Kate Arzamastseva <pshns@ukr.net>
243 */
244function ajax_mediadiff(){
245    global $NS;
246    global $INPUT;
247
248    if ($INPUT->has('image')) $image = cleanID($INPUT->str('image'));
249    $NS = $INPUT->post->str('ns');
250    $auth = auth_quickaclcheck("$NS:*");
251    media_diff($image, $NS, $auth, true);
252}
253
254function ajax_mediaupload(){
255    global $NS, $MSG, $INPUT;
256
257    if ($_FILES['qqfile']['tmp_name']) {
258        $id = $INPUT->post->str('mediaid', $_FILES['qqfile']['name']);
259    } elseif ($INPUT->get->has('qqfile')) {
260        $id = $INPUT->get->str('qqfile');
261    }
262
263    $id = cleanID($id);
264
265    $NS = $INPUT->str('ns');
266    $ns = $NS.':'.getNS($id);
267
268    $AUTH = auth_quickaclcheck("$ns:*");
269    if($AUTH >= AUTH_UPLOAD) { io_createNamespace("$ns:xxx", 'media'); }
270
271    if ($_FILES['qqfile']['error']) unset($_FILES['qqfile']);
272
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) $result = array('success' => true,
277        'link' => media_managerURL(array('ns' => $ns, 'image' => $NS.':'.$id), '&'),
278        'id' => $NS.':'.$id, 'ns' => $NS);
279
280    if (!$result) {
281        $error = '';
282        if (isset($MSG)) {
283            foreach($MSG as $msg) $error .= $msg['msg'];
284        }
285        $result = array('error' => $msg['msg'], 'ns' => $NS);
286    }
287    $json = new JSON;
288    echo htmlspecialchars($json->encode($result), ENT_NOQUOTES);
289}
290
291function dir_delete($path) {
292    if (!is_string($path) || $path == "") return false;
293
294    if (is_dir($path) && !is_link($path)) {
295        if (!$dh = @opendir($path)) return false;
296
297        while ($f = readdir($dh)) {
298            if ($f == '..' || $f == '.') continue;
299            dir_delete("$path/$f");
300        }
301
302        closedir($dh);
303        return @rmdir($path);
304    } else {
305        return @unlink($path);
306    }
307
308    return false;
309}
310
311/**
312 * Return sub index for index view
313 *
314 * @author Andreas Gohr <andi@splitbrain.org>
315 */
316function ajax_index(){
317    global $conf;
318    global $INPUT;
319
320    // wanted namespace
321    $ns  = cleanID($INPUT->post->str('idx'));
322    $dir  = utf8_encodeFN(str_replace(':','/',$ns));
323
324    $lvl = count(explode(':',$ns));
325
326    $data = array();
327    search($data,$conf['datadir'],'search_index',array('ns' => $ns),$dir);
328    foreach(array_keys($data) as $item){
329        $data[$item]['level'] = $lvl+1;
330    }
331    echo html_buildlist($data, 'idx', 'html_list_index', 'html_li_index');
332}
333
334/**
335 * List matching namespaces and pages for the link wizard
336 *
337 * @author Andreas Gohr <gohr@cosmocode.de>
338 */
339function ajax_linkwiz(){
340    global $conf;
341    global $lang;
342    global $INPUT;
343
344    $q  = ltrim(trim($INPUT->post->str('q')),':');
345    $id = noNS($q);
346    $ns = getNS($q);
347
348    $ns = cleanID($ns);
349    $id = cleanID($id);
350
351    $nsd  = utf8_encodeFN(str_replace(':','/',$ns));
352    $idd  = utf8_encodeFN(str_replace(':','/',$id));
353
354    $data = array();
355    if($q && !$ns){
356
357        // use index to lookup matching pages
358        $pages = array();
359        $pages = ft_pageLookup($id,true);
360
361        // result contains matches in pages and namespaces
362        // we now extract the matching namespaces to show
363        // them seperately
364        $dirs  = array();
365
366        foreach($pages as $pid => $title){
367            if(strpos(noNS($pid),$id) === false){
368                // match was in the namespace
369                $dirs[getNS($pid)] = 1; // assoc array avoids dupes
370            }else{
371                // it is a matching page, add it to the result
372                $data[] = array(
373                        'id'    => $pid,
374                        'title' => $title,
375                        'type'  => 'f',
376                        );
377            }
378            unset($pages[$pid]);
379        }
380        foreach($dirs as $dir => $junk){
381            $data[] = array(
382                    'id'   => $dir,
383                    'type' => 'd',
384                    );
385        }
386
387    }else{
388
389        $opts = array(
390                'depth' => 1,
391                'listfiles' => true,
392                'listdirs'  => true,
393                'pagesonly' => true,
394                'firsthead' => true,
395                'sneakyacl' => $conf['sneaky_index'],
396                );
397        if($id) $opts['filematch'] = '^.*\/'.$id;
398        if($id) $opts['dirmatch']  = '^.*\/'.$id;
399        search($data,$conf['datadir'],'search_universal',$opts,$nsd);
400
401        // add back to upper
402        if($ns){
403            array_unshift($data,array(
404                        'id'   => getNS($ns),
405                        'type' => 'u',
406                        ));
407        }
408    }
409
410    // fixme sort results in a useful way ?
411
412    if(!count($data)){
413        echo $lang['nothingfound'];
414        exit;
415    }
416
417    // output the found data
418    $even = 1;
419    foreach($data as $item){
420        $even *= -1; //zebra
421
422        if(($item['type'] == 'd' || $item['type'] == 'u') && $item['id']) $item['id'] .= ':';
423        $link = wl($item['id']);
424
425        echo '<div class="'.(($even > 0)?'even':'odd').' type_'.$item['type'].'">';
426
427        if($item['type'] == 'u'){
428            $name = $lang['upperns'];
429        }else{
430            $name = htmlspecialchars($item['id']);
431        }
432
433        echo '<a href="'.$link.'" title="'.htmlspecialchars($item['id']).'" class="wikilink1">'.$name.'</a>';
434
435        if($item['title']){
436            echo '<span>'.htmlspecialchars($item['title']).'</span>';
437        }
438        echo '</div>';
439    }
440
441}
442
443//Setup VIM: ex: et ts=2 :
444