xref: /dokuwiki/lib/exe/ajax.php (revision e53f9e72a48912e662dde20d7dceca74a022dcdf) 
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, $_POST);
12}
13
14if(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/../../');
15require_once(DOKU_INC.'inc/init.php');
16//close session
17session_write_close();
18
19header('Content-Type: text/html; charset=utf-8');
20
21
22//call the requested function
23if(isset($_POST['call']))
24  $call = $_POST['call'];
25else if(isset($_GET['call']))
26  $call = $_GET['call'];
27else
28  exit;
29
30$callfn = 'ajax_'.$call;
31
32if(function_exists($callfn)){
33  $callfn();
34}else{
35  $evt = new Doku_Event('AJAX_CALL_UNKNOWN', $call);
36  if ($evt->advise_before()) {
37    print "AJAX call '".htmlspecialchars($call)."' unknown!\n";
38    exit;
39  }
40  $evt->advise_after();
41  unset($evt);
42}
43
44/**
45 * Searches for matching pagenames
46 *
47 * @author Andreas Gohr <andi@splitbrain.org>
48 */
49function ajax_qsearch(){
50  global $conf;
51  global $lang;
52
53  $query = $_POST['q'];
54  if(empty($query)) $query = $_GET['q'];
55  if(empty($query)) return;
56
57  $data = ft_pageLookup($query, true, false);
58
59  if(!count($data)) return;
60
61  print '<strong>'.$lang['quickhits'].'</strong>';
62  print '<ul>';
63  foreach($data as $id => $title){
64    if (useHeading('navigation')) {
65        $name = $title;
66    } else {
67        $ns = getNS($id);
68        if($ns){
69          $name = shorten(noNS($id), ' ('.$ns.')',30);
70        }else{
71          $name = $id;
72        }
73    }
74    echo '<li>' . html_wikilink(':'.$id,$name) . '</li>';
75  }
76  print '</ul>';
77}
78
79/**
80 * Support OpenSearch suggestions
81 *
82 * @link   http://www.opensearch.org/Specifications/OpenSearch/Extensions/Suggestions/1.0
83 * @author Mike Frysinger <vapier@gentoo.org>
84 */
85function ajax_suggestions() {
86  global $conf;
87  global $lang;
88
89  $query = cleanID($_POST['q']);
90  if(empty($query)) $query = cleanID($_GET['q']);
91  if(empty($query)) return;
92
93  $data = array();
94  $data = ft_pageLookup($query);
95  if(!count($data)) return;
96
97  // limit results to 15 hits
98  $data = array_slice($data, 0, 15);
99  $data = array_map('trim',$data);
100  $data = array_map('noNS',$data);
101  $data = array_unique($data);
102  sort($data);
103
104  /* now construct a json */
105  $suggestions = array(
106    $query,  // the original query
107    $data,   // some suggestions
108    array(), // no description
109    array()  // no urls
110  );
111  $json = new JSON();
112
113  header('Content-Type: application/x-suggestions+json');
114  print $json->encode($suggestions);
115}
116
117/**
118 * Refresh a page lock and save draft
119 *
120 * Andreas Gohr <andi@splitbrain.org>
121 */
122function ajax_lock(){
123  global $conf;
124  global $lang;
125  $id = cleanID($_POST['id']);
126  if(empty($id)) return;
127
128  if(!checklock($id)){
129    lock($id);
130    echo 1;
131  }
132
133  if($conf['usedraft'] && $_POST['wikitext']){
134    $client = $_SERVER['REMOTE_USER'];
135    if(!$client) $client = clientIP(true);
136
137    $draft = array('id'     => $id,
138                   'prefix' => $_POST['prefix'],
139                   'text'   => $_POST['wikitext'],
140                   'suffix' => $_POST['suffix'],
141                   'date'   => $_POST['date'],
142                   'client' => $client,
143                  );
144    $cname = getCacheName($draft['client'].$id,'.draft');
145    if(io_saveFile($cname,serialize($draft))){
146      echo $lang['draftdate'].' '.dformat();
147    }
148  }
149
150}
151
152/**
153 * Delete a draft
154 *
155 * @author Andreas Gohr <andi@splitbrain.org>
156 */
157function ajax_draftdel(){
158  $id = cleanID($_POST['id']);
159  if(empty($id)) return;
160
161  $client = $_SERVER['REMOTE_USER'];
162  if(!$client) $client = clientIP(true);
163
164  $cname = getCacheName($client.$id,'.draft');
165  @unlink($cname);
166}
167
168/**
169 * Return subnamespaces for the Mediamanager
170 *
171 * @author Andreas Gohr <andi@splitbrain.org>
172 */
173function ajax_medians(){
174  global $conf;
175
176  // wanted namespace
177  $ns  = cleanID($_POST['ns']);
178  $dir  = utf8_encodeFN(str_replace(':','/',$ns));
179
180  $lvl = count(explode(':',$ns));
181
182  $data = array();
183  search($data,$conf['mediadir'],'search_index',array('nofiles' => true),$dir);
184  foreach($data as $item){
185    $item['level'] = $lvl+1;
186    echo media_nstree_li($item);
187    echo media_nstree_item($item);
188    echo '</li>';
189  }
190}
191
192/**
193 * Return list of files for the Mediamanager
194 *
195 * @author Andreas Gohr <andi@splitbrain.org>
196 */
197function ajax_medialist(){
198  global $conf;
199  global $NS;
200
201  $NS = $_POST['ns'];
202  tpl_mediaContent(true);
203}
204
205/**
206 * Return sub index for index view
207 *
208 * @author Andreas Gohr <andi@splitbrain.org>
209 */
210function ajax_index(){
211  global $conf;
212
213  // wanted namespace
214  $ns  = cleanID($_POST['idx']);
215  $dir  = utf8_encodeFN(str_replace(':','/',$ns));
216
217  $lvl = count(explode(':',$ns));
218
219  $data = array();
220  search($data,$conf['datadir'],'search_index',array('ns' => $ns),$dir);
221  foreach($data as $item){
222    $item['level'] = $lvl+1;
223    echo html_li_index($item);
224    echo '<div class="li">';
225    echo html_list_index($item);
226    echo '</div>';
227    echo '</li>';
228  }
229}
230
231/**
232 * List matching namespaces and pages for the link wizard
233 *
234 * @author Andreas Gohr <gohr@cosmocode.de>
235 */
236function ajax_linkwiz(){
237  global $conf;
238  global $lang;
239
240  $q  = ltrim($_POST['q'],':');
241  $id = noNS($q);
242  $ns = getNS($q);
243
244  $ns = cleanID($ns);
245  $id = cleanID($id);
246
247  $nsd  = utf8_encodeFN(str_replace(':','/',$ns));
248  $idd  = utf8_encodeFN(str_replace(':','/',$id));
249
250  $data = array();
251  if($q && !$ns){
252
253    // use index to lookup matching pages
254    $pages = array();
255    $pages = ft_pageLookup($id,false);
256
257    // result contains matches in pages and namespaces
258    // we now extract the matching namespaces to show
259    // them seperately
260    $dirs  = array();
261    $count = count($pages);
262    for($i=0; $i<$count; $i++){
263      if(strpos(noNS($pages[$i]),$id) === false){
264        // match was in the namespace
265        $dirs[getNS($pages[$i])] = 1; // assoc array avoids dupes
266      }else{
267        // it is a matching page, add it to the result
268        $data[] = array(
269          'id'    => $pages[$i],
270          'title' => p_get_first_heading($pages[$i],false),
271          'type'  => 'f',
272        );
273      }
274      unset($pages[$i]);
275    }
276    foreach($dirs as $dir => $junk){
277      $data[] = array(
278        'id'   => $dir,
279        'type' => 'd',
280      );
281    }
282
283  }else{
284
285    $opts = array(
286      'depth' => 1,
287      'listfiles' => true,
288      'listdirs'  => true,
289      'pagesonly' => true,
290      'firsthead' => true,
291      'sneakyacl' => $conf['sneaky_index'],
292    );
293    if($id) $opts['filematch'] = '^.*\/'.$id;
294    if($id) $opts['dirmatch']  = '^.*\/'.$id;
295    search($data,$conf['datadir'],'search_universal',$opts,$nsd);
296
297    // add back to upper
298    if($ns){
299        array_unshift($data,array(
300            'id'   => getNS($ns),
301            'type' => 'u',
302        ));
303    }
304  }
305
306  // fixme sort results in a useful way ?
307
308  if(!count($data)){
309    echo $lang['nothingfound'];
310    exit;
311  }
312
313  // output the found data
314  $even = 1;
315  foreach($data as $item){
316    $even *= -1; //zebra
317
318    if(($item['type'] == 'd' || $item['type'] == 'u') && $item['id']) $item['id'] .= ':';
319    $link = wl($item['id']);
320
321    echo '<div class="'.(($even > 0)?'even':'odd').' type_'.$item['type'].'">';
322
323
324    if($item['type'] == 'u'){
325        $name = $lang['upperns'];
326    }else{
327        $name = htmlspecialchars($item['id']);
328    }
329
330    echo '<a href="'.$link.'" title="'.htmlspecialchars($item['id']).'" class="wikilink1">'.$name.'</a>';
331
332    if($item['title']){
333      echo '<span>'.htmlspecialchars($item['title']).'</span>';
334    }
335    echo '</div>';
336  }
337
338}
339
340//Setup VIM: ex: et ts=2 enc=utf-8 :
341