xref: /dokuwiki/lib/exe/xmlrpc.php (revision 3275953aed09bc2b5f49805637a2679f1d7d6bab)
1<?php
2if(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/../../');
3
4// fix when '<?xml' isn't on the very first line
5if(isset($HTTP_RAW_POST_DATA)) $HTTP_RAW_POST_DATA = trim($HTTP_RAW_POST_DATA);
6
7
8require_once(DOKU_INC.'inc/init.php');
9require_once(DOKU_INC.'inc/common.php');
10require_once(DOKU_INC.'inc/auth.php');
11session_write_close();  //close session
12
13if(!$conf['xmlrpc']) {
14    die('XML-RPC server not enabled.');
15    // FIXME check for groups allowed
16}
17
18require_once(DOKU_INC.'inc/IXR_Library.php');
19
20
21/**
22 * Contains needed wrapper functions and registers all available
23 * XMLRPC functions.
24 */
25class dokuwiki_xmlrpc_server extends IXR_IntrospectionServer {
26    var $methods = array();
27
28    /**
29     * Constructor. Register methods and run Server
30     */
31    function dokuwiki_xmlrpc_server(){
32        $this->IXR_IntrospectionServer();
33
34        /* DokuWiki's own methods */
35        $this->addCallback(
36            'dokuwiki.getVersion',
37            'getVersion',
38            array('string'),
39            'Returns the running DokuWiki version.'
40        );
41
42        /* Wiki API v2 http://www.jspwiki.org/wiki/WikiRPCInterface2 */
43        $this->addCallback(
44            'wiki.getRPCVersionSupported',
45            'this:wiki_RPCVersion',
46            array('int'),
47            'Returns 2 with the supported RPC API version.'
48        );
49        $this->addCallback(
50            'wiki.getPage',
51            'this:rawPage',
52            array('string','string'),
53            'Get the raw Wiki text of page, latest version.'
54        );
55        $this->addCallback(
56            'wiki.getPageVersion',
57            'this:rawPage',
58            array('string','string','int'),
59            'Get the raw Wiki text of page.'
60        );
61        $this->addCallback(
62            'wiki.getPageHTML',
63            'this:htmlPage',
64            array('string','string'),
65            'Return page in rendered HTML, latest version.'
66        );
67        $this->addCallback(
68            'wiki.getPageHTMLVersion',
69            'this:htmlPage',
70            array('string','string','int'),
71            'Return page in rendered HTML.'
72        );
73        $this->addCallback(
74            'wiki.getAllPages',
75            'this:listPages',
76            array('struct'),
77            'Returns a list of all pages. The result is an array of utf8 pagenames.'
78        );
79        $this->addCallback(
80            'wiki.getAttachments',
81            'this:listAttachments',
82            array('string', 'struct'),
83            'Returns a list of all media files.'
84        );
85        $this->addCallback(
86            'wiki.getBackLinks',
87            'this:listBackLinks',
88            array('struct','string'),
89            'Returns the pages that link to this page.'
90        );
91        $this->addCallback(
92            'wiki.getPageInfo',
93            'this:pageInfo',
94            array('struct','string'),
95            'Returns a struct with infos about the page.'
96        );
97        $this->addCallback(
98            'wiki.getPageInfoVersion',
99            'this:pageInfo',
100            array('struct','string','int'),
101            'Returns a struct with infos about the page.'
102        );
103        $this->addCallback(
104            'wiki.getPageVersions',
105            'this:pageVersions',
106            array('struct','string','int'),
107            'Returns the available revisions of the page.'
108        );
109        $this->addCallback(
110            'wiki.putPage',
111            'this:putPage',
112            array('int', 'string', 'string', 'struct'),
113            'Saves a wiki page.'
114        );
115        $this->addCallback(
116            'wiki.listLinks',
117            'this:listLinks',
118            array('struct','string'),
119            'Lists all links contained in a wiki page.'
120        );
121        $this->addCallback(
122            'wiki.getRecentChanges',
123            'this:getRecentChanges',
124            array('struct','int'),
125            'Returns a strukt about all recent changes since given timestamp.'
126        );
127        $this->addCallback(
128                'wiki.aclCheck',
129                'this:aclCheck',
130                array('struct', 'string'),
131                'Returns the permissions of a given wiki page.'
132        );
133        $this->addCallback(
134                'wiki.putAttachment',
135                'this:putAttachment',
136                array('struct', 'string', 'base64', 'struct'),
137                'Upload a file to the wiki.'
138        );
139        $this->addCallback(
140        		'wiki.getAttachment',
141        		'this:getAttachment',
142        		array('string'),
143        		'Download a file from the wiki.'
144        );
145        $this->addCallback(
146        		'wiki.getAttachmentInfo',
147        		'this:getAttachmentInfo',
148        		array('string'),
149        		'Returns a struct with infos about the attachment.'
150        );
151
152        $this->serve();
153    }
154
155    /**
156     * Return a raw wiki page
157     */
158    function rawPage($id,$rev=''){
159        if(auth_quickaclcheck($id) < AUTH_READ){
160            return new IXR_Error(1, 'You are not allowed to read this page');
161        }
162        $text = rawWiki($id,$rev);
163        if(!$text) {
164            $data = array($id);
165            return trigger_event('HTML_PAGE_FROMTEMPLATE',$data,'pageTemplate',true);
166        } else {
167            return $text;
168        }
169    }
170
171    /**
172     * Return a media file encoded in base64
173     */
174    function getAttachment($id){
175    	if (auth_quickaclcheck(getNS($id).':*') < AUTH_READ)
176    		return new IXR_Error(1, 'You are not allowed to read this file');
177
178		$file = mediaFN($id);
179		if (!@ file_exists($file))
180			return new IXR_Error(1, 'The requested file does not exist');
181
182		$data = io_readFile($file, false);
183		$base64 = base64_encode($data);
184		return $base64;
185    }
186
187    /**
188     * Return info about a media file
189     *
190     * @author Gina Haeussge <osd@foosel.net>
191     */
192    function getAttachmentInfo($id){
193    	$id = cleanID($id);
194		$info = array(
195			'lastModified' => 0,
196			'size' => 0,
197		);
198
199		$file = mediaFN($id);
200		if ((auth_quickaclcheck(getNS($id).':*') >= AUTH_READ) && file_exists($file)){
201			$info['lastModified'] = new IXR_Date(filemtime($file));
202			$info['size'] = filesize($file);
203		}
204
205    	return $info;
206    }
207
208    /**
209     * Return a wiki page rendered to html
210     */
211    function htmlPage($id,$rev=''){
212        if(auth_quickaclcheck($id) < AUTH_READ){
213            return new IXR_Error(1, 'You are not allowed to read this page');
214        }
215        return p_wiki_xhtml($id,$rev,false);
216    }
217
218    /**
219     * List all pages - we use the indexer list here
220     */
221    function listPages(){
222        require_once(DOKU_INC.'inc/fulltext.php');
223        return ft_pageLookup('');
224    }
225
226    /**
227     * List all media files.
228     *
229     * Available options are 'recursive' for also including the subnamespaces
230     * in the listing, and 'pattern' for filtering the returned files against
231     * a regular expression matching their name.
232     *
233     * @author Gina Haeussge <osd@foosel.net>
234     */
235    function listAttachments($ns, $options = array()) {
236        global $conf;
237        global $lang;
238
239        $ns = cleanID($ns);
240
241		if (!is_array($options))
242			$options = array();
243
244		if (!isset($options['recursive'])) $options['recursive'] = false;
245
246        if(auth_quickaclcheck($ns.':*') >= AUTH_READ) {
247            $dir = utf8_encodeFN(str_replace(':', '/', $ns));
248
249            $data = array();
250            require_once(DOKU_INC.'inc/search.php');
251            search($data, $conf['mediadir'], 'search_media', array('recursive' => $options['recursive']), $dir);
252
253            if(!count($data)) {
254                return array();
255            }
256
257            $files = array();
258            foreach($data as $item) {
259            	if (isset($options['pattern']) && !@preg_match($options['pattern'], $item['id']))
260            		continue;
261                $file = array();
262                $file['id']       = $item['id'];
263                $file['size']     = $item['size'];
264                $file['mtime']    = $item['mtime'];
265                $file['isimg']    = $item['isimg'];
266                $file['writable'] = $item['writeable'];
267                array_push($files, $file);
268            }
269
270            return $files;
271
272        } else {
273            return new IXR_Error(1, 'You are not allowed to list media files.');
274        }
275    }
276
277    /**
278     * Return a list of backlinks
279     */
280    function listBackLinks($id){
281        require_once(DOKU_INC.'inc/fulltext.php');
282        return ft_backlinks($id);
283    }
284
285    /**
286     * Return some basic data about a page
287     */
288    function pageInfo($id,$rev=''){
289        if(auth_quickaclcheck($id) < AUTH_READ){
290            return new IXR_Error(1, 'You are not allowed to read this page');
291        }
292        $file = wikiFN($id,$rev);
293        $time = @filemtime($file);
294        if(!$time){
295            return new IXR_Error(10, 'The requested page does not exist');
296        }
297
298        $info = getRevisionInfo($id, $time, 1024);
299
300        $data = array(
301            'name'         => $id,
302            'lastModified' => new IXR_Date($time),
303            'author'       => (($info['user']) ? $info['user'] : $info['ip']),
304            'version'      => $time
305        );
306
307        return ($data);
308    }
309
310    /**
311     * Save a wiki page
312     *
313     * @author Michael Klier <chi@chimeric.de>
314     */
315    function putPage($id, $text, $params) {
316        global $TEXT;
317        global $lang;
318        global $conf;
319
320        $id    = cleanID($id);
321        $TEXT  = trim($text);
322        $sum   = $params['sum'];
323        $minor = $params['minor'];
324
325        if(empty($id))
326            return new IXR_Error(1, 'Empty page ID');
327
328        if(!page_exists($id) && empty($TEXT)) {
329            return new IXR_ERROR(1, 'Refusing to write an empty new wiki page');
330        }
331
332        if(auth_quickaclcheck($id) < AUTH_EDIT)
333            return new IXR_Error(1, 'You are not allowed to edit this page');
334
335        // Check, if page is locked
336        if(checklock($id))
337            return new IXR_Error(1, 'The page is currently locked');
338
339        // SPAM check
340        if(checkwordblock())
341            return new IXR_Error(1, 'Positive wordblock check');
342
343        // autoset summary on new pages
344        if(!page_exists($id) && empty($sum)) {
345            $sum = $lang['created'];
346        }
347
348        // autoset summary on deleted pages
349        if(page_exists($id) && empty($TEXT) && empty($sum)) {
350            $sum = $lang['deleted'];
351        }
352
353        lock($id);
354
355        saveWikiText($id,$TEXT,$sum,$minor);
356
357        unlock($id);
358
359        // run the indexer if page wasn't indexed yet
360        if(!@file_exists(metaFN($id, '.indexed'))) {
361            // try to aquire a lock
362            $lock = $conf['lockdir'].'/_indexer.lock';
363            while(!@mkdir($lock,$conf['dmode'])){
364                usleep(50);
365                if(time()-@filemtime($lock) > 60*5){
366                    // looks like a stale lock - remove it
367                    @rmdir($lock);
368                }else{
369                    return false;
370                }
371            }
372            if($conf['dperm']) chmod($lock, $conf['dperm']);
373
374            require_once(DOKU_INC.'inc/indexer.php');
375
376            // do the work
377            idx_addPage($id);
378
379            // we're finished - save and free lock
380            io_saveFile(metaFN($id,'.indexed'),INDEXER_VERSION);
381            @rmdir($lock);
382        }
383
384        return 0;
385    }
386
387    /**
388     * Uploads a file to the wiki.
389     *
390     * Michael Klier <chi@chimeric.de>
391     */
392    function putAttachment($ns, $file, $params) {
393        global $conf;
394        global $lang;
395
396        $auth = auth_quickaclcheck($ns.':*');
397        if($auth >= AUTH_UPLOAD) {
398            if(!isset($params['name'])) {
399                return new IXR_ERROR(1, 'Filename not given.');
400            }
401
402            $ftmp = $conf['tmpdir'] . '/' . $params['name'];
403            $name = $params['name'];
404
405            // save temporary file
406            @unlink($ftmp);
407            $buff = base64_decode($file);
408            io_saveFile($ftmp, $buff);
409
410            // get filename
411            list($iext, $imime) = mimetype($name);
412            $id = cleanID($ns.':'.$name);
413            $fn = mediaFN($id);
414
415            // get filetype regexp
416            $types = array_keys(getMimeTypes());
417            $types = array_map(create_function('$q','return preg_quote($q,"/");'),$types);
418            $regex = join('|',$types);
419
420            // because a temp file was created already
421            if(preg_match('/\.('.$regex.')$/i',$fn)) {
422                //check for overwrite
423                if(@file_exists($fn) && (!$params['ow'] || $auth < AUTH_DELETE)) {
424                    return new IXR_ERROR(1, $lang['uploadexist']);
425                }
426                // check for valid content
427                @require_once(DOKU_INC.'inc/media.php');
428                $ok = media_contentcheck($ftmp, $imime);
429                if($ok == -1) {
430                    return new IXR_ERROR(1, sprintf($lang['uploadexist'], ".$iext"));
431                } elseif($ok == -2) {
432                    return new IXR_ERROR(1, $lang['uploadspam']);
433                } elseif($ok == -3) {
434                    return new IXR_ERROR(1, $lang['uploadxss']);
435                }
436
437                // prepare event data
438                $data[0] = $ftmp;
439                $data[1] = $fn;
440                $data[2] = $id;
441                $data[3] = $imime;
442
443                // trigger event
444                require_once(DOKU_INC.'inc/events.php');
445                return trigger_event('MEDIA_UPLOAD_FINISH', $data, array($this, '_media_upload_action'), true);
446
447            } else {
448                return new IXR_ERROR(1, $lang['uploadwrong']);
449            }
450        } else {
451            return new IXR_ERROR(1, "You don't have permissions to upload files.");
452        }
453    }
454
455    /**
456     * Moves the temporary file to its final destination.
457     *
458     * Michael Klier <chi@chimeric.de>
459     */
460    function _media_upload_action($data) {
461        global $conf;
462
463        if(is_array($data) && count($data)===4) {
464            io_createNamespace($data[2], 'media');
465            if(rename($data[0], $data[1])) {
466                chmod($data[1], $conf['fmode']);
467                media_notify($data[2], $data[1], $data[3]);
468                return $data[2];
469            } else {
470                return new IXR_ERROR(1, 'Upload failed.');
471            }
472        } else {
473            return new IXR_ERROR(1, 'Upload failed.');
474        }
475    }
476
477    /**
478    * Returns the permissions of a given wiki page
479    */
480    function aclCheck($id) {
481        return auth_quickaclcheck($id);
482    }
483
484    /**
485     * Lists all links contained in a wiki page
486     *
487     * @author Michael Klier <chi@chimeric.de>
488     */
489    function listLinks($id) {
490        if(auth_quickaclcheck($id) < AUTH_READ){
491            return new IXR_Error(1, 'You are not allowed to read this page');
492        }
493        $links = array();
494
495        // resolve page instructions
496        $ins   = p_cached_instructions(wikiFN(cleanID($id)));
497
498        // instantiate new Renderer - needed for interwiki links
499        include(DOKU_INC.'inc/parser/xhtml.php');
500        $Renderer = new Doku_Renderer_xhtml();
501        $Renderer->interwiki = getInterwiki();
502
503        // parse parse instructions
504        foreach($ins as $in) {
505            $link = array();
506            switch($in[0]) {
507                case 'internallink':
508                    $link['type'] = 'local';
509                    $link['page'] = $in[1][0];
510                    $link['href'] = wl($in[1][0]);
511                    array_push($links,$link);
512                    break;
513                case 'externallink':
514                    $link['type'] = 'extern';
515                    $link['page'] = $in[1][0];
516                    $link['href'] = $in[1][0];
517                    array_push($links,$link);
518                    break;
519                case 'interwikilink':
520                    $url = $Renderer->_resolveInterWiki($in[1][2],$in[1][3]);
521                    $link['type'] = 'extern';
522                    $link['page'] = $url;
523                    $link['href'] = $url;
524                    array_push($links,$link);
525                    break;
526            }
527        }
528
529        return ($links);
530    }
531
532    /**
533     * Returns a list of recent changes since give timestamp
534     *
535     * @author Michael Klier <chi@chimeric.de>
536     */
537    function getRecentChanges($timestamp) {
538        global $conf;
539
540        if(strlen($timestamp) != 10)
541            return new IXR_Error(20, 'The provided value is not a valid timestamp');
542
543        $changes = array();
544
545        require_once(DOKU_INC.'inc/changelog.php');
546        require_once(DOKU_INC.'inc/pageutils.php');
547
548        // read changes
549        $lines = @file($conf['changelog']);
550
551        if(empty($lines))
552            return new IXR_Error(10, 'The changelog could not be read');
553
554        // we start searching at the end of the list
555        $lines = array_reverse($lines);
556
557        // cache seen pages and skip them
558        $seen = array();
559
560        foreach($lines as $line) {
561
562            if(empty($line)) continue; // skip empty lines
563
564            $logline = parseChangelogLine($line);
565
566            if($logline === false) continue;
567
568            // skip seen ones
569            if(isset($seen[$logline['id']])) continue;
570
571            // skip minors
572            if($logline['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT && ($flags & RECENTS_SKIP_MINORS)) continue;
573
574            // remember in seen to skip additional sights
575            $seen[$logline['id']] = 1;
576
577            // check if it's a hidden page
578            if(isHiddenPage($logline['id'])) continue;
579
580            // check ACL
581            if(auth_quickaclcheck($logline['id']) < AUTH_READ) continue;
582
583            // check existance
584            if((!@file_exists(wikiFN($logline['id']))) && ($flags & RECENTS_SKIP_DELETED)) continue;
585
586            // check if logline is still in the queried time frame
587            if($logline['date'] >= $timestamp) {
588                $change['name']         = $logline['id'];
589                $change['lastModified'] = new IXR_Date($logline['date']);
590                $change['author']       = $logline['user'];
591                $change['version']      = $logline['date'];
592                array_push($changes, $change);
593            } else {
594                $changes = array_reverse($changes);
595                return ($changes);
596            }
597        }
598        // in case we still have nothing at this point
599        return new IXR_Error(30, 'There are no changes in the specified timeframe');
600    }
601
602    /**
603     * Returns a list of available revisions of a given wiki page
604     *
605     * @author Michael Klier <chi@chimeric.de>
606     */
607    function pageVersions($id, $first) {
608        global $conf;
609
610        $versions = array();
611
612        if(empty($id))
613            return new IXR_Error(1, 'Empty page ID');
614
615        require_once(DOKU_INC.'inc/changelog.php');
616
617        $revisions = getRevisions($id, $first, $conf['recent']+1);
618
619        if(count($revisions)==0 && $first!=0) {
620            $first=0;
621            $revisions = getRevisions($id, $first, $conf['recent']+1);
622        }
623
624        if(count($revisions)>0 && $first==0) {
625            array_unshift($revisions, '');  // include current revision
626            array_pop($revisions);          // remove extra log entry
627        }
628
629        $hasNext = false;
630        if(count($revisions)>$conf['recent']) {
631            $hasNext = true;
632            array_pop($revisions); // remove extra log entry
633        }
634
635        if(!empty($revisions)) {
636            foreach($revisions as $rev) {
637                $file = wikiFN($id,$rev);
638                $time = @filemtime($file);
639                // we check if the page actually exists, if this is not the
640                // case this can lead to less pages being returned than
641                // specified via $conf['recent']
642                if($time){
643                    $info = getRevisionInfo($id, $time, 1024);
644                    if(!empty($info)) {
645                        $data['user'] = $info['user'];
646                        $data['ip']   = $info['ip'];
647                        $data['type'] = $info['type'];
648                        $data['sum']  = $info['sum'];
649                        $data['modified'] = new IXR_Date($info['date']);
650                        $data['version'] = $info['date'];
651                        array_push($versions, $data);
652                    }
653                }
654            }
655            return $versions;
656        } else {
657            return array();
658        }
659    }
660
661    /**
662     * The version of Wiki RPC API supported
663     */
664    function wiki_RPCVersion(){
665        return 2;
666    }
667}
668
669$server = new dokuwiki_xmlrpc_server();
670
671// vim:ts=4:sw=4:et:enc=utf-8:
672