inc/Ajax.php

   1 <?php
   2
   3 namespace dokuwiki;
   4
   5 use dokuwiki\Ui;
   6 use dokuwiki\Utf8\Sort;
   7
   8 /**
   9  * Manage all builtin AJAX calls
  10  *
  11  * @todo The calls should be refactored out to their own proper classes
  12  * @package dokuwiki
  13  */
  14 class Ajax {
  15
  16     /**
  17      * Execute the given call
  18      *
  19      * @param string $call name of the ajax call
  20      */
  21     public function __construct($call) {
  22         $callfn = 'call' . ucfirst($call);
  23         if(method_exists($this, $callfn)) {
  24             $this->$callfn();
  25         } else {
  26             $evt = new Extension\Event('AJAX_CALL_UNKNOWN', $call);
  27             if($evt->advise_before()) {
  28                 print "AJAX call '" . hsc($call) . "' unknown!\n";
  29             } else {
  30                 $evt->advise_after();
  31                 unset($evt);
  32             }
  33         }
  34     }
  35
  36     /**
  37      * Searches for matching pagenames
  38      *
  39      * @author Andreas Gohr <andi@splitbrain.org>
  40      */
  41     protected function callQsearch() {
  42         global $lang;
  43         global $INPUT;
  44
  45         $maxnumbersuggestions = 50;
  46
  47         $query = $INPUT->post->str('q');
  48         if(empty($query)) $query = $INPUT->get->str('q');
  49         if(empty($query)) return;
  50
  51         $query = urldecode($query);
  52
  53         $data = ft_pageLookup($query, true, useHeading('navigation'));
  54
  55         if(!count($data)) return;
  56
  57         print '<strong>' . $lang['quickhits'] . '</strong>';
  58         print '<ul>';
  59         $counter = 0;
  60         foreach($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             $counter++;
  74             if($counter > $maxnumbersuggestions) {
  75                 echo '<li>...</li>';
  76                 break;
  77             }
  78         }
  79         print '</ul>';
  80     }
  81
  82     /**
  83      * Support OpenSearch suggestions
  84      *
  85      * @link   http://www.opensearch.org/Specifications/OpenSearch/Extensions/Suggestions/1.0
  86      * @author Mike Frysinger <vapier@gentoo.org>
  87      */
  88     protected function callSuggestions() {
  89         global $INPUT;
  90
  91         $query = cleanID($INPUT->post->str('q'));
  92         if(empty($query)) $query = cleanID($INPUT->get->str('q'));
  93         if(empty($query)) return;
  94
  95         $data = ft_pageLookup($query);
  96         if(!count($data)) return;
  97         $data = array_keys($data);
  98
  99         // limit results to 15 hits
 100         $data = array_slice($data, 0, 15);
 101         $data = array_map('trim', $data);
 102         $data = array_map('noNS', $data);
 103         $data = array_unique($data);
 104         Sort::sort($data);
 105
 106         /* now construct a json */
 107         $suggestions = array(
 108             $query,  // the original query
 109             $data,   // some suggestions
 110             array(), // no description
 111             array()  // no urls
 112         );
 113
 114         header('Content-Type: application/x-suggestions+json');
 115         print json_encode($suggestions);
 116     }
 117
 118     /**
 119      * Refresh a page lock and save draft
 120      *
 121      * Andreas Gohr <andi@splitbrain.org>
 122      */
 123     protected function callLock() {
 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         $response = [
 134             'errors' => [],
 135             'lock' => '0',
 136             'draft' => '',
 137         ];
 138         if(!$INFO['writable']) {
 139             $response['errors'][] = 'Permission to write this page has been denied.';
 140             echo json_encode($response);
 141             return;
 142         }
 143
 144         if(!checklock($ID)) {
 145             lock($ID);
 146             $response['lock'] = '1';
 147         }
 148
 149         $draft = new Draft($ID, $INFO['client']);
 150         if ($draft->saveDraft()) {
 151             $response['draft'] = $draft->getDraftMessage();
 152         } else {
 153             $response['errors'] = array_merge($response['errors'], $draft->getErrors());
 154         }
 155         echo json_encode($response);
 156     }
 157
 158     /**
 159      * Delete a draft
 160      *
 161      * @author Andreas Gohr <andi@splitbrain.org>
 162      */
 163     protected function callDraftdel() {
 164         global $INPUT;
 165         $id = cleanID($INPUT->str('id'));
 166         if(empty($id)) return;
 167
 168         $client = $_SERVER['REMOTE_USER'];
 169         if(!$client) $client = clientIP(true);
 170
 171         $cname = getCacheName($client . $id, '.draft');
 172         @unlink($cname);
 173     }
 174
 175     /**
 176      * Return subnamespaces for the Mediamanager
 177      *
 178      * @author Andreas Gohr <andi@splitbrain.org>
 179      */
 180     protected function callMedians() {
 181         global $conf;
 182         global $INPUT;
 183
 184         // wanted namespace
 185         $ns = cleanID($INPUT->post->str('ns'));
 186         $dir = utf8_encodeFN(str_replace(':', '/', $ns));
 187
 188         $lvl = count(explode(':', $ns));
 189
 190         $data = array();
 191         search($data, $conf['mediadir'], 'search_index', array('nofiles' => true), $dir);
 192         foreach(array_keys($data) as $item) {
 193             $data[$item]['level'] = $lvl + 1;
 194         }
 195         echo html_buildlist($data, 'idx', 'media_nstree_item', 'media_nstree_li');
 196     }
 197
 198     /**
 199      * Return list of files for the Mediamanager
 200      *
 201      * @author Andreas Gohr <andi@splitbrain.org>
 202      */
 203     protected function callMedialist() {
 204         global $NS;
 205         global $INPUT;
 206
 207         $NS = cleanID($INPUT->post->str('ns'));
 208         $sort = $INPUT->post->bool('recent') ? 'date' : 'natural';
 209         if($INPUT->post->str('do') == 'media') {
 210             tpl_mediaFileList();
 211         } else {
 212             tpl_mediaContent(true, $sort);
 213         }
 214     }
 215
 216     /**
 217      * Return the content of the right column
 218      * (image details) for the Mediamanager
 219      *
 220      * @author Kate Arzamastseva <pshns@ukr.net>
 221      */
 222     protected function callMediadetails() {
 223         global $IMG, $JUMPTO, $REV, $fullscreen, $INPUT;
 224         $fullscreen = true;
 225         require_once(DOKU_INC . 'lib/exe/mediamanager.php');
 226
 227         $image = '';
 228         if($INPUT->has('image')) $image = cleanID($INPUT->str('image'));
 229         if(isset($IMG)) $image = $IMG;
 230         if(isset($JUMPTO)) $image = $JUMPTO;
 231         $rev = false;
 232         if(isset($REV) && !$JUMPTO) $rev = $REV;
 233
 234         html_msgarea();
 235         tpl_mediaFileDetails($image, $rev);
 236     }
 237
 238     /**
 239      * Returns image diff representation for mediamanager
 240      *
 241      * @author Kate Arzamastseva <pshns@ukr.net>
 242      */
 243     protected function callMediadiff() {
 244         global $NS;
 245         global $INPUT;
 246
 247         $image = '';
 248         if($INPUT->has('image')) $image = cleanID($INPUT->str('image'));
 249         $NS = getNS($image);
 250         $auth = auth_quickaclcheck("$NS:*");
 251         media_diff($image, $NS, $auth, true);
 252     }
 253
 254     /**
 255      * Manages file uploads
 256      *
 257      * @author Kate Arzamastseva <pshns@ukr.net>
 258      */
 259     protected function callMediaupload() {
 260         global $NS, $MSG, $INPUT;
 261
 262         $id = '';
 263         if(isset($_FILES['qqfile']['tmp_name'])) {
 264             $id = $INPUT->post->str('mediaid', $_FILES['qqfile']['name']);
 265         } elseif($INPUT->get->has('qqfile')) {
 266             $id = $INPUT->get->str('qqfile');
 267         }
 268
 269         $id = cleanID($id);
 270
 271         $NS = $INPUT->str('ns');
 272         $ns = $NS . ':' . getNS($id);
 273
 274         $AUTH = auth_quickaclcheck("$ns:*");
 275         if($AUTH >= AUTH_UPLOAD) {
 276             io_createNamespace("$ns:xxx", 'media');
 277         }
 278
 279         if(isset($_FILES['qqfile']['error']) && $_FILES['qqfile']['error']) unset($_FILES['qqfile']);
 280
 281         $res = false;
 282         if(isset($_FILES['qqfile']['tmp_name'])) $res = media_upload($NS, $AUTH, $_FILES['qqfile']);
 283         if($INPUT->get->has('qqfile')) $res = media_upload_xhr($NS, $AUTH);
 284
 285         if($res) {
 286             $result = array(
 287                 'success' => true,
 288                 'link' => media_managerURL(array('ns' => $ns, 'image' => $NS . ':' . $id), '&'),
 289                 'id' => $NS . ':' . $id,
 290                 'ns' => $NS
 291             );
 292         } else {
 293             $error = '';
 294             if(isset($MSG)) {
 295                 foreach($MSG as $msg) {
 296                     $error .= $msg['msg'];
 297                 }
 298             }
 299             $result = array(
 300                 'error' => $error,
 301                 'ns' => $NS
 302             );
 303         }
 304
 305         header('Content-Type: application/json');
 306         echo json_encode($result);
 307     }
 308
 309     /**
 310      * Return sub index for index view
 311      *
 312      * @author Andreas Gohr <andi@splitbrain.org>
 313      */
 314     protected function callIndex() {
 315         global $conf;
 316         global $INPUT;
 317
 318         // wanted namespace
 319         $ns = cleanID($INPUT->post->str('idx'));
 320         $dir = utf8_encodeFN(str_replace(':', '/', $ns));
 321
 322         $lvl = count(explode(':', $ns));
 323
 324         $data = array();
 325         search($data, $conf['datadir'], 'search_index', array('ns' => $ns), $dir);
 326         foreach (array_keys($data) as $item) {
 327             $data[$item]['level'] = $lvl + 1;
 328         }
 329         $idx = new Ui\Index;
 330         echo html_buildlist($data, 'idx', [$idx,'formatListItem'], [$idx,'tagListItem']);
 331     }
 332
 333     /**
 334      * List matching namespaces and pages for the link wizard
 335      *
 336      * @author Andreas Gohr <gohr@cosmocode.de>
 337      */
 338     protected function callLinkwiz() {
 339         global $conf;
 340         global $lang;
 341         global $INPUT;
 342
 343         $q = ltrim(trim($INPUT->post->str('q')), ':');
 344         $id = noNS($q);
 345         $ns = getNS($q);
 346
 347         $ns = cleanID($ns);
 348         $id = cleanID($id);
 349
 350         $nsd = utf8_encodeFN(str_replace(':', '/', $ns));
 351
 352         $data = array();
 353         if($q !== '' && $ns === '') {
 354
 355             // use index to lookup matching pages
 356             $pages = ft_pageLookup($id, true);
 357
 358             // result contains matches in pages and namespaces
 359             // we now extract the matching namespaces to show
 360             // them seperately
 361             $dirs = array();
 362
 363             foreach($pages as $pid => $title) {
 364                 if(strpos(noNS($pid), $id) === false) {
 365                     // match was in the namespace
 366                     $dirs[getNS($pid)] = 1; // assoc array avoids dupes
 367                 } else {
 368                     // it is a matching page, add it to the result
 369                     $data[] = array(
 370                         'id' => $pid,
 371                         'title' => $title,
 372                         'type' => 'f',
 373                     );
 374                 }
 375                 unset($pages[$pid]);
 376             }
 377             foreach($dirs as $dir => $junk) {
 378                 $data[] = array(
 379                     'id' => $dir,
 380                     'type' => 'd',
 381                 );
 382             }
 383
 384         } else {
 385
 386             $opts = array(
 387                 'depth' => 1,
 388                 'listfiles' => true,
 389                 'listdirs' => true,
 390                 'pagesonly' => true,
 391                 'firsthead' => true,
 392                 'sneakyacl' => $conf['sneaky_index'],
 393             );
 394             if($id) $opts['filematch'] = '^.*\/' . $id;
 395             if($id) $opts['dirmatch'] = '^.*\/' . $id;
 396             search($data, $conf['datadir'], 'search_universal', $opts, $nsd);
 397
 398             // add back to upper
 399             if($ns) {
 400                 array_unshift(
 401                     $data, array(
 402                              'id' => getNS($ns),
 403                              'type' => 'u',
 404                          )
 405                 );
 406             }
 407         }
 408
 409         // fixme sort results in a useful way ?
 410
 411         if(!count($data)) {
 412             echo $lang['nothingfound'];
 413             exit;
 414         }
 415
 416         // output the found data
 417         $even = 1;
 418         foreach($data as $item) {
 419             $even *= -1; //zebra
 420
 421             if(($item['type'] == 'd' || $item['type'] == 'u') && $item['id'] !== '') $item['id'] .= ':';
 422             $link = wl($item['id']);
 423
 424             echo '<div class="' . (($even > 0) ? 'even' : 'odd') . ' type_' . $item['type'] . '">';
 425
 426             if($item['type'] == 'u') {
 427                 $name = $lang['upperns'];
 428             } else {
 429                 $name = hsc($item['id']);
 430             }
 431
 432             echo '<a href="' . $link . '" title="' . hsc($item['id']) . '" class="wikilink1">' . $name . '</a>';
 433
 434             if(!blank($item['title'])) {
 435                 echo '<span>' . hsc($item['title']) . '</span>';
 436             }
 437             echo '</div>';
 438         }
 439
 440     }
 441
 442 }