xref: /dokuwiki/lib/exe/ajax.php (revision 0071aa2162e87ac729531c1c625d9bfb31f2adec) 
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
9//fix for Opera XMLHttpRequests
10if(!count($_POST) && $HTTP_RAW_POST_DATA){
11  parse_str($HTTP_RAW_POST_DATA, $_POST);
12}
13
14if(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/../../');
15require_once(DOKU_INC.'inc/init.php');
16require_once(DOKU_INC.'inc/common.php');
17require_once(DOKU_INC.'inc/pageutils.php');
18require_once(DOKU_INC.'inc/auth.php');
19//close sesseion
20session_write_close();
21
22header('Content-Type: text/html; charset=utf-8');
23
24
25//call the requested function
26if(isset($_POST['call']))
27  $call = $_POST['call'];
28else if(isset($_GET['call']))
29  $call = $_GET['call'];
30else
31  exit;
32
33$callfn = 'ajax_'.$call;
34
35if(function_exists($callfn)){
36  $callfn();
37}else{
38  $evt = new Doku_Event('AJAX_CALL_UNKNOWN', $call);
39  if ($evt->advise_before()) {
40    print "AJAX call '".htmlspecialchars($call)."' unknown!\n";
41    exit;
42  }
43  $evt->advise_after();
44  unset($evt);
45}
46
47/**
48 * Searches for matching pagenames
49 *
50 * @author Andreas Gohr <andi@splitbrain.org>
51 */
52function ajax_qsearch(){
53  global $conf;
54  global $lang;
55
56  $query = cleanID($_POST['q']);
57  if(empty($query)) $query = cleanID($_GET['q']);
58  if(empty($query)) return;
59
60  require_once(DOKU_INC.'inc/html.php');
61  require_once(DOKU_INC.'inc/fulltext.php');
62
63  $data = array();
64  $data = ft_pageLookup($query);
65
66  if(!count($data)) return;
67
68  print '<strong>'.$lang['quickhits'].'</strong>';
69  print '<ul>';
70  foreach($data as $id){
71    print '<li>';
72    $ns = getNS($id);
73    if($ns){
74      $name = shorten(noNS($id), ' ('.$ns.')',30);
75    }else{
76      $name = $id;
77    }
78    print html_wikilink(':'.$id,$name);
79    print '</li>';
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 $conf;
92  global $lang;
93
94  $query = cleanID($_POST['q']);
95  if(empty($query)) $query = cleanID($_GET['q']);
96  if(empty($query)) return;
97
98  require_once(DOKU_INC.'inc/html.php');
99  require_once(DOKU_INC.'inc/fulltext.php');
100  require_once(DOKU_INC.'inc/JSON.php');
101
102  $data = array();
103  $data = ft_pageLookup($query);
104  if(!count($data)) return;
105
106  // limit results to 15 hits
107  $data = array_slice($data, 0, 15);
108  $data = array_map('trim',$data);
109  $data = array_map('noNS',$data);
110  $data = array_unique($data);
111  sort($data);
112
113  /* now construct a json */
114  $suggestions = array(
115    $query,  // the original query
116    $data,   // some suggestions
117    array(), // no description
118    array()  // no urls
119  );
120  $json = new JSON();
121
122  header('Content-Type: application/x-suggestions+json');
123  print $json->encode($suggestions);
124}
125
126/**
127 * Refresh a page lock and save draft
128 *
129 * Andreas Gohr <andi@splitbrain.org>
130 */
131function ajax_lock(){
132  global $conf;
133  global $lang;
134  $id = cleanID($_POST['id']);
135  if(empty($id)) return;
136
137  if(!checklock($id)){
138    lock($id);
139    echo 1;
140  }
141
142  if($conf['usedraft'] && $_POST['wikitext']){
143    $client = $_SERVER['REMOTE_USER'];
144    if(!$client) $client = clientIP(true);
145
146    $draft = array('id'     => $id,
147                   'prefix' => $_POST['prefix'],
148                   'text'   => $_POST['wikitext'],
149                   'suffix' => $_POST['suffix'],
150                   'date'   => $_POST['date'],
151                   'client' => $client,
152                  );
153    $cname = getCacheName($draft['client'].$id,'.draft');
154    if(io_saveFile($cname,serialize($draft))){
155      echo $lang['draftdate'].' '.strftime($conf['dformat']);
156    }
157  }
158
159}
160
161/**
162 * Delete a draft
163 *
164 * @author Andreas Gohr <andi@splitbrain.org>
165 */
166function ajax_draftdel(){
167  $id = cleanID($_POST['id']);
168  if(empty($id)) return;
169
170  $client = $_SERVER['REMOTE_USER'];
171  if(!$client) $client = clientIP(true);
172
173  $cname = getCacheName($client.$id,'.draft');
174  @unlink($cname);
175}
176
177/**
178 * Return subnamespaces for the Mediamanager
179 *
180 * @author Andreas Gohr <andi@splitbrain.org>
181 */
182function ajax_medians(){
183  global $conf;
184  require_once(DOKU_INC.'inc/search.php');
185  require_once(DOKU_INC.'inc/media.php');
186
187  // wanted namespace
188  $ns  = cleanID($_POST['ns']);
189  $dir  = utf8_encodeFN(str_replace(':','/',$ns));
190
191  $lvl = count(explode(':',$ns));
192
193  $data = array();
194  search($data,$conf['mediadir'],'search_index',array('nofiles' => true),$dir);
195  foreach($data as $item){
196    $item['level'] = $lvl+1;
197    echo media_nstree_li($item);
198    echo media_nstree_item($item);
199    echo '</li>';
200  }
201}
202
203/**
204 * Return list of files for the Mediamanager
205 *
206 * @author Andreas Gohr <andi@splitbrain.org>
207 */
208function ajax_medialist(){
209  global $conf;
210  require_once(DOKU_INC.'inc/media.php');
211
212  media_filelist($_POST['ns']);
213}
214
215/**
216 * Return sub index for index view
217 *
218 * @author Andreas Gohr <andi@splitbrain.org>
219 */
220function ajax_index(){
221  global $conf;
222  require_once(DOKU_INC.'inc/search.php');
223  require_once(DOKU_INC.'inc/html.php');
224
225  // wanted namespace
226  $ns  = cleanID($_POST['idx']);
227  $dir  = utf8_encodeFN(str_replace(':','/',$ns));
228
229  $lvl = count(explode(':',$ns));
230
231  $data = array();
232  search($data,$conf['datadir'],'search_index',array('ns' => $ns),$dir);
233  foreach($data as $item){
234    $item['level'] = $lvl+1;
235    echo html_li_index($item);
236    echo '<div class="li">';
237    echo html_list_index($item);
238    echo '</div>';
239    echo '</li>';
240  }
241}
242
243/**
244 * List matching namespaces and pages for the link wizard
245 */
246function ajax_linkwiz(){
247  global $conf;
248  global $lang;
249  require_once(DOKU_INC.'inc/html.php');
250
251  $q  = ltrim($_POST['q'],':');
252  $id = noNS($q);
253  $ns = getNS($q);
254
255  $ns = cleanID($ns);
256  $id = cleanID($id);
257
258  $nsd  = utf8_encodeFN(str_replace(':','/',$ns));
259  $idd  = utf8_encodeFN(str_replace(':','/',$id));
260
261  $data = array();
262  if($q && !$ns){
263
264    // use index to lookup matching pages
265    require_once(DOKU_INC.'inc/fulltext.php');
266    require_once(DOKU_INC.'inc/parserutils.php');
267    $pages = array();
268    $pages = ft_pageLookup($id,false);
269
270    // result contains matches in pages and namespaces
271    // we now extract the matching namespaces to show
272    // them seperately
273    $dirs  = array();
274    $count = count($pages);
275    for($i=0; $i<$count; $i++){
276      if(strpos(noNS($pages[$i]),$id) === false){
277        // match was in the namespace
278        $dirs[getNS($pages[$i])] = 1; // assoc array avoids dupes
279      }else{
280        // it is a matching page, add it to the result
281        $data[] = array(
282          'id'    => $pages[$i],
283          'title' => p_get_first_heading($pages[$i],false),
284          'type'  => 'f',
285        );
286      }
287      unset($pages[$i]);
288    }
289    foreach($dirs as $dir => $junk){
290      $data[] = array(
291        'id'   => $dir,
292        'type' => 'd',
293      );
294    }
295
296  }else{
297
298    require_once(DOKU_INC.'inc/search.php');
299    $opts = array(
300      'depth' => 1,
301      'listfiles' => true,
302      'listdirs'  => true,
303      'pagesonly' => true,
304      'firsthead' => true,
305    );
306    if($id) $opts['filematch'] = '^.*\/'.$id;
307    if($id) $opts['dirmatch']  = '^.*\/'.$id;
308    search($data,$conf['datadir'],'search_universal',$opts,$nsd);
309
310    // add back to upper
311    if($ns){
312        array_unshift($data,array(
313            'id'   => getNS($ns),
314            'type' => 'u',
315        ));
316    }
317  }
318
319  // fixme sort results in a useful way ?
320
321  if(!count($data)){
322    echo $lang['nothingfound'];
323    exit;
324  }
325
326  // output the found data
327  $even = 1;
328  foreach($data as $item){
329    $even *= -1; //zebra
330
331    if(($item['type'] == 'd' || $item['type'] == 'u') && $item['id']) $item['id'] .= ':';
332    $link = wl($item['id']);
333
334    echo '<div class="'.(($even > 0)?'even':'odd').' type_'.$item['type'].'">';
335
336
337    if($item['type'] == 'u'){
338        $name = 'back to upper';
339    }else{
340        $name = htmlspecialchars($item['id']);
341    }
342
343    echo '<a href="'.$link.'" title="'.htmlspecialchars($item['id']).'" class="wikilink1">'.$name.'</a>';
344
345    if($item['title']){
346      echo '<span>'.htmlspecialchars($item['title']).'</span>';
347    }
348    echo '</div>';
349  }
350
351}
352
353//Setup VIM: ex: et ts=2 enc=utf-8 :
354