1<?php 2 3namespace dokuwiki; 4 5/** 6 * Manage all builtin AJAX calls 7 * 8 * @todo The calls should be refactored out to their own proper classes 9 * @package dokuwiki 10 */ 11class Ajax { 12 13 /** 14 * Execute the given call 15 * 16 * @param string $call name of the ajax call 17 */ 18 public function __construct($call) { 19 $callfn = 'call' . ucfirst($call); 20 if(method_exists($this, $callfn)) { 21 $this->$callfn(); 22 } else { 23 $evt = new Extension\Event('AJAX_CALL_UNKNOWN', $call); 24 if($evt->advise_before()) { 25 print "AJAX call '" . hsc($call) . "' unknown!\n"; 26 } else { 27 $evt->advise_after(); 28 unset($evt); 29 } 30 } 31 } 32 33 /** 34 * Searches for matching pagenames 35 * 36 * @author Andreas Gohr <andi@splitbrain.org> 37 */ 38 protected function callQsearch() { 39 global $lang; 40 global $INPUT; 41 42 $maxnumbersuggestions = 50; 43 44 $query = $INPUT->post->str('q'); 45 if(empty($query)) $query = $INPUT->get->str('q'); 46 if(empty($query)) return; 47 48 $query = urldecode($query); 49 50 $data = ft_pageLookup($query, true, useHeading('navigation')); 51 52 if(!count($data)) return; 53 54 print '<strong>' . $lang['quickhits'] . '</strong>'; 55 print '<ul>'; 56 $counter = 0; 57 foreach($data as $id => $title) { 58 if(useHeading('navigation')) { 59 $name = $title; 60 } else { 61 $ns = getNS($id); 62 if($ns) { 63 $name = noNS($id) . ' (' . $ns . ')'; 64 } else { 65 $name = $id; 66 } 67 } 68 echo '<li>' . html_wikilink(':' . $id, $name) . '</li>'; 69 70 $counter++; 71 if($counter > $maxnumbersuggestions) { 72 echo '<li>...</li>'; 73 break; 74 } 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 */ 85 protected function callSuggestions() { 86 global $INPUT; 87 88 $query = cleanID($INPUT->post->str('q')); 89 if(empty($query)) $query = cleanID($INPUT->get->str('q')); 90 if(empty($query)) return; 91 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 $data, // some suggestions 107 array(), // no description 108 array() // no urls 109 ); 110 111 header('Content-Type: application/x-suggestions+json'); 112 print json_encode($suggestions); 113 } 114 115 /** 116 * Refresh a page lock and save draft 117 * 118 * Andreas Gohr <andi@splitbrain.org> 119 */ 120 protected function callLock() { 121 global $ID; 122 global $INFO; 123 global $INPUT; 124 125 $ID = cleanID($INPUT->post->str('id')); 126 if(empty($ID)) return; 127 128 $INFO = pageinfo(); 129 130 $response = [ 131 'errors' => [], 132 'lock' => '0', 133 'draft' => '', 134 ]; 135 if(!$INFO['writable']) { 136 $response['errors'][] = 'Permission to write this page has been denied.'; 137 echo json_encode($response); 138 return; 139 } 140 141 if(!checklock($ID)) { 142 lock($ID); 143 $response['lock'] = '1'; 144 } 145 146 $draft = new Draft($ID, $INFO['client']); 147 if ($draft->saveDraft()) { 148 $response['draft'] = $draft->getDraftMessage(); 149 } else { 150 $response['errors'] = array_merge($response['errors'], $draft->getErrors()); 151 } 152 echo json_encode($response); 153 } 154 155 /** 156 * Delete a draft 157 * 158 * @author Andreas Gohr <andi@splitbrain.org> 159 */ 160 protected function callDraftdel() { 161 global $INPUT; 162 $id = cleanID($INPUT->str('id')); 163 if(empty($id)) return; 164 165 $client = $_SERVER['REMOTE_USER']; 166 if(!$client) $client = clientIP(true); 167 168 $cname = getCacheName($client . $id, '.draft'); 169 @unlink($cname); 170 } 171 172 /** 173 * Return subnamespaces for the Mediamanager 174 * 175 * @author Andreas Gohr <andi@splitbrain.org> 176 */ 177 protected function callMedians() { 178 global $conf; 179 global $INPUT; 180 181 // wanted namespace 182 $ns = cleanID($INPUT->post->str('ns')); 183 $dir = utf8_encodeFN(str_replace(':', '/', $ns)); 184 185 $lvl = count(explode(':', $ns)); 186 187 $data = array(); 188 search($data, $conf['mediadir'], 'search_index', array('nofiles' => true), $dir); 189 foreach(array_keys($data) as $item) { 190 $data[$item]['level'] = $lvl + 1; 191 } 192 echo html_buildlist($data, 'idx', 'media_nstree_item', 'media_nstree_li'); 193 } 194 195 /** 196 * Return list of files for the Mediamanager 197 * 198 * @author Andreas Gohr <andi@splitbrain.org> 199 */ 200 protected function callMedialist() { 201 global $NS; 202 global $INPUT; 203 204 $NS = cleanID($INPUT->post->str('ns')); 205 $sort = $INPUT->post->bool('recent') ? 'date' : 'natural'; 206 if($INPUT->post->str('do') == 'media') { 207 tpl_mediaFileList(); 208 } else { 209 tpl_mediaContent(true, $sort); 210 } 211 } 212 213 /** 214 * Return the content of the right column 215 * (image details) for the Mediamanager 216 * 217 * @author Kate Arzamastseva <pshns@ukr.net> 218 */ 219 protected function callMediadetails() { 220 global $IMG, $JUMPTO, $REV, $fullscreen, $INPUT; 221 $fullscreen = true; 222 require_once(DOKU_INC . 'lib/exe/mediamanager.php'); 223 224 $image = ''; 225 if($INPUT->has('image')) $image = cleanID($INPUT->str('image')); 226 if(isset($IMG)) $image = $IMG; 227 if(isset($JUMPTO)) $image = $JUMPTO; 228 $rev = false; 229 if(isset($REV) && !$JUMPTO) $rev = $REV; 230 231 html_msgarea(); 232 tpl_mediaFileDetails($image, $rev); 233 } 234 235 /** 236 * Returns image diff representation for mediamanager 237 * 238 * @author Kate Arzamastseva <pshns@ukr.net> 239 */ 240 protected function callMediadiff() { 241 global $NS; 242 global $INPUT; 243 244 $image = ''; 245 if($INPUT->has('image')) $image = cleanID($INPUT->str('image')); 246 $NS = getNS($image); 247 $auth = auth_quickaclcheck("$NS:*"); 248 media_diff($image, $NS, $auth, true); 249 } 250 251 /** 252 * Manages file uploads 253 * 254 * @author Kate Arzamastseva <pshns@ukr.net> 255 */ 256 protected function callMediaupload() { 257 global $NS, $MSG, $INPUT; 258 259 $id = ''; 260 if(isset($_FILES['qqfile']['tmp_name'])) { 261 $id = $INPUT->post->str('mediaid', $_FILES['qqfile']['name']); 262 } elseif($INPUT->get->has('qqfile')) { 263 $id = $INPUT->get->str('qqfile'); 264 } 265 266 $id = cleanID($id); 267 268 $NS = $INPUT->str('ns'); 269 $ns = $NS . ':' . getNS($id); 270 271 $AUTH = auth_quickaclcheck("$ns:*"); 272 if($AUTH >= AUTH_UPLOAD) { 273 io_createNamespace("$ns:xxx", 'media'); 274 } 275 276 if(isset($_FILES['qqfile']['error']) && $_FILES['qqfile']['error']) unset($_FILES['qqfile']); 277 278 $res = false; 279 if(isset($_FILES['qqfile']['tmp_name'])) $res = media_upload($NS, $AUTH, $_FILES['qqfile']); 280 if($INPUT->get->has('qqfile')) $res = media_upload_xhr($NS, $AUTH); 281 282 if($res) { 283 $result = array( 284 'success' => true, 285 'link' => media_managerURL(array('ns' => $ns, 'image' => $NS . ':' . $id), '&'), 286 'id' => $NS . ':' . $id, 287 'ns' => $NS 288 ); 289 } else { 290 $error = ''; 291 if(isset($MSG)) { 292 foreach($MSG as $msg) { 293 $error .= $msg['msg']; 294 } 295 } 296 $result = array( 297 'error' => $error, 298 'ns' => $NS 299 ); 300 } 301 302 header('Content-Type: application/json'); 303 echo json_encode($result); 304 } 305 306 /** 307 * Return sub index for index view 308 * 309 * @author Andreas Gohr <andi@splitbrain.org> 310 */ 311 protected function callIndex() { 312 global $conf; 313 global $INPUT; 314 315 // wanted namespace 316 $ns = cleanID($INPUT->post->str('idx')); 317 $dir = utf8_encodeFN(str_replace(':', '/', $ns)); 318 319 $lvl = count(explode(':', $ns)); 320 321 $data = array(); 322 search($data, $conf['datadir'], 'search_index', array('ns' => $ns), $dir); 323 foreach(array_keys($data) as $item) { 324 $data[$item]['level'] = $lvl + 1; 325 } 326 echo html_buildlist($data, 'idx', 'html_list_index', 'html_li_index'); 327 } 328 329 /** 330 * List matching namespaces and pages for the link wizard 331 * 332 * @author Andreas Gohr <gohr@cosmocode.de> 333 */ 334 protected function callLinkwiz() { 335 global $conf; 336 global $lang; 337 global $INPUT; 338 339 $q = ltrim(trim($INPUT->post->str('q')), ':'); 340 $id = noNS($q); 341 $ns = getNS($q); 342 343 $ns = cleanID($ns); 344 $id = cleanID($id); 345 346 $nsd = utf8_encodeFN(str_replace(':', '/', $ns)); 347 348 $data = array(); 349 if($q !== '' && $ns === '') { 350 351 // use index to lookup matching pages 352 $pages = ft_pageLookup($id, true); 353 354 // result contains matches in pages and namespaces 355 // we now extract the matching namespaces to show 356 // them seperately 357 $dirs = array(); 358 359 foreach($pages as $pid => $title) { 360 if(strpos(noNS($pid), $id) === false) { 361 // match was in the namespace 362 $dirs[getNS($pid)] = 1; // assoc array avoids dupes 363 } else { 364 // it is a matching page, add it to the result 365 $data[] = array( 366 'id' => $pid, 367 'title' => $title, 368 'type' => 'f', 369 ); 370 } 371 unset($pages[$pid]); 372 } 373 foreach($dirs as $dir => $junk) { 374 $data[] = array( 375 'id' => $dir, 376 'type' => 'd', 377 ); 378 } 379 380 } else { 381 382 $opts = array( 383 'depth' => 1, 384 'listfiles' => true, 385 'listdirs' => true, 386 'pagesonly' => true, 387 'firsthead' => true, 388 'sneakyacl' => $conf['sneaky_index'], 389 ); 390 if($id) $opts['filematch'] = '^.*\/' . $id; 391 if($id) $opts['dirmatch'] = '^.*\/' . $id; 392 search($data, $conf['datadir'], 'search_universal', $opts, $nsd); 393 394 // add back to upper 395 if($ns) { 396 array_unshift( 397 $data, array( 398 'id' => getNS($ns), 399 'type' => 'u', 400 ) 401 ); 402 } 403 } 404 405 // fixme sort results in a useful way ? 406 407 if(!count($data)) { 408 echo $lang['nothingfound']; 409 exit; 410 } 411 412 // output the found data 413 $even = 1; 414 foreach($data as $item) { 415 $even *= -1; //zebra 416 417 if(($item['type'] == 'd' || $item['type'] == 'u') && $item['id'] !== '') $item['id'] .= ':'; 418 $link = wl($item['id']); 419 420 echo '<div class="' . (($even > 0) ? 'even' : 'odd') . ' type_' . $item['type'] . '">'; 421 422 if($item['type'] == 'u') { 423 $name = $lang['upperns']; 424 } else { 425 $name = hsc($item['id']); 426 } 427 428 echo '<a href="' . $link . '" title="' . hsc($item['id']) . '" class="wikilink1">' . $name . '</a>'; 429 430 if(!blank($item['title'])) { 431 echo '<span>' . hsc($item['title']) . '</span>'; 432 } 433 echo '</div>'; 434 } 435 436 } 437 438} 439