lib/exe/ajax.php

   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
  10 if(!count($_POST) && $HTTP_RAW_POST_DATA){
  11   parse_str($HTTP_RAW_POST_DATA, $_POST);
  12 }
  13
  14 if(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/../../');
  15 require_once(DOKU_INC.'inc/init.php');
  16 require_once(DOKU_INC.'inc/common.php');
  17 require_once(DOKU_INC.'inc/pageutils.php');
  18 require_once(DOKU_INC.'inc/auth.php');
  19 //close sesseion
  20 session_write_close();
  21
  22 header('Content-Type: text/html; charset=utf-8');
  23
  24
  25 //call the requested function
  26 if(isset($_POST['call']))
  27   $call = $_POST['call'];
  28 else if(isset($_GET['call']))
  29   $call = $_GET['call'];
  30 else
  31   exit;
  32
  33 $callfn = 'ajax_'.$call;
  34
  35 if(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  */
  52 function 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  */
  90 function 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  */
 131 function 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  */
 166 function 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  */
 182 function 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  */
 208 function 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  */
 220 function 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  *
 246  * @author Andreas Gohr <gohr@cosmocode.de>
 247  */
 248 function ajax_linkwiz(){
 249   global $conf;
 250   global $lang;
 251   require_once(DOKU_INC.'inc/html.php');
 252
 253   $q  = ltrim($_POST['q'],':');
 254   $id = noNS($q);
 255   $ns = getNS($q);
 256
 257   $ns = cleanID($ns);
 258   $id = cleanID($id);
 259
 260   $nsd  = utf8_encodeFN(str_replace(':','/',$ns));
 261   $idd  = utf8_encodeFN(str_replace(':','/',$id));
 262
 263   $data = array();
 264   if($q && !$ns){
 265
 266     // use index to lookup matching pages
 267     require_once(DOKU_INC.'inc/fulltext.php');
 268     require_once(DOKU_INC.'inc/parserutils.php');
 269     $pages = array();
 270     $pages = ft_pageLookup($id,false);
 271
 272     // result contains matches in pages and namespaces
 273     // we now extract the matching namespaces to show
 274     // them seperately
 275     $dirs  = array();
 276     $count = count($pages);
 277     for($i=0; $i<$count; $i++){
 278       if(strpos(noNS($pages[$i]),$id) === false){
 279         // match was in the namespace
 280         $dirs[getNS($pages[$i])] = 1; // assoc array avoids dupes
 281       }else{
 282         // it is a matching page, add it to the result
 283         $data[] = array(
 284           'id'    => $pages[$i],
 285           'title' => p_get_first_heading($pages[$i],false),
 286           'type'  => 'f',
 287         );
 288       }
 289       unset($pages[$i]);
 290     }
 291     foreach($dirs as $dir => $junk){
 292       $data[] = array(
 293         'id'   => $dir,
 294         'type' => 'd',
 295       );
 296     }
 297
 298   }else{
 299
 300     require_once(DOKU_INC.'inc/search.php');
 301     $opts = array(
 302       'depth' => 1,
 303       'listfiles' => true,
 304       'listdirs'  => true,
 305       'pagesonly' => true,
 306       'firsthead' => true,
 307     );
 308     if($id) $opts['filematch'] = '^.*\/'.$id;
 309     if($id) $opts['dirmatch']  = '^.*\/'.$id;
 310     search($data,$conf['datadir'],'search_universal',$opts,$nsd);
 311
 312     // add back to upper
 313     if($ns){
 314         array_unshift($data,array(
 315             'id'   => getNS($ns),
 316             'type' => 'u',
 317         ));
 318     }
 319   }
 320
 321   // fixme sort results in a useful way ?
 322
 323   if(!count($data)){
 324     echo $lang['nothingfound'];
 325     exit;
 326   }
 327
 328   // output the found data
 329   $even = 1;
 330   foreach($data as $item){
 331     $even *= -1; //zebra
 332
 333     if(($item['type'] == 'd' || $item['type'] == 'u') && $item['id']) $item['id'] .= ':';
 334     $link = wl($item['id']);
 335
 336     echo '<div class="'.(($even > 0)?'even':'odd').' type_'.$item['type'].'">';
 337
 338
 339     if($item['type'] == 'u'){
 340         $name = $lang['upperns'];
 341     }else{
 342         $name = htmlspecialchars($item['id']);
 343     }
 344
 345     echo '<a href="'.$link.'" title="'.htmlspecialchars($item['id']).'" class="wikilink1">'.$name.'</a>';
 346
 347     if($item['title']){
 348       echo '<span>'.htmlspecialchars($item['title']).'</span>';
 349     }
 350     echo '</div>';
 351   }
 352
 353 }
 354
 355 //Setup VIM: ex: et ts=2 enc=utf-8 :