xref: /dokuwiki/lib/exe/xmlrpc.php (revision fc756e0d4d88b37c01a9155e675a549430b00593)
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/**
8 * Increased whenever the API is changed
9 */
10define('DOKU_XMLRPC_API_VERSION',5);
11
12require_once(DOKU_INC.'inc/init.php');
13session_write_close();  //close session
14
15if(!$conf['xmlrpc']) die('XML-RPC server not enabled.');
16
17/**
18 * Contains needed wrapper functions and registers all available
19 * XMLRPC functions.
20 */
21class dokuwiki_xmlrpc_server extends IXR_IntrospectionServer {
22    var $methods       = array();
23    var $public_methods = array();
24
25    /**
26     * Checks if the current user is allowed to execute non anonymous methods
27     */
28    function checkAuth(){
29        global $conf;
30        global $USERINFO;
31
32        if(!$conf['useacl']) return true; //no ACL - then no checks
33
34        $allowed = explode(',',$conf['xmlrpcuser']);
35        $allowed = array_map('trim', $allowed);
36        $allowed = array_unique($allowed);
37        $allowed = array_filter($allowed);
38
39        if(!count($allowed)) return true; //no restrictions
40
41        $user   = $_SERVER['REMOTE_USER'];
42        $groups = (array) $USERINFO['grps'];
43
44        if(in_array($user,$allowed)) return true; //user explicitly mentioned
45
46        //check group memberships
47        foreach($groups as $group){
48            if(in_array('@'.$group,$allowed)) return true;
49        }
50
51        //still here? no access!
52        return false;
53    }
54
55    /**
56     * Adds a callback, extends parent method
57     *
58     * add another parameter to define if anonymous access to
59     * this method should be granted.
60     */
61    function addCallback($method, $callback, $args, $help, $public=false){
62        if($public) $this->public_methods[] = $method;
63        return parent::addCallback($method, $callback, $args, $help);
64    }
65
66    /**
67     * Execute a call, extends parent method
68     *
69     * Checks for authentication first
70     */
71    function call($methodname, $args){
72        if(!in_array($methodname,$this->public_methods) && !$this->checkAuth()){
73            return new IXR_Error(-32603, 'server error. not authorized to call method "'.$methodname.'".');
74        }
75        return parent::call($methodname, $args);
76    }
77
78    /**
79     * Constructor. Register methods and run Server
80     */
81    function dokuwiki_xmlrpc_server(){
82        $this->IXR_IntrospectionServer();
83
84        /* DokuWiki's own methods */
85        $this->addCallback(
86            'dokuwiki.getXMLRPCAPIVersion',
87            'this:getAPIVersion',
88            array('integer'),
89            'Returns the XMLRPC API version.',
90            true
91        );
92
93        $this->addCallback(
94            'dokuwiki.getVersion',
95            'getVersion',
96            array('string'),
97            'Returns the running DokuWiki version.',
98            true
99        );
100
101        $this->addCallback(
102            'dokuwiki.login',
103            'this:login',
104            array('integer','string','string'),
105            'Tries to login with the given credentials and sets auth cookies.',
106            true
107        );
108
109        $this->addCallback(
110            'dokuwiki.getPagelist',
111            'this:readNamespace',
112            array('struct','string','struct'),
113            'List all pages within the given namespace.'
114        );
115
116        $this->addCallback(
117            'dokuwiki.search',
118            'this:search',
119            array('struct','string'),
120            'Perform a fulltext search and return a list of matching pages'
121        );
122
123        $this->addCallback(
124            'dokuwiki.getTime',
125            'time',
126            array('int'),
127            'Return the current time at the wiki server.'
128        );
129
130        $this->addCallback(
131            'dokuwiki.setLocks',
132            'this:setLocks',
133            array('struct','struct'),
134            'Lock or unlock pages.'
135        );
136
137
138        $this->addCallback(
139            'dokuwiki.getTitle',
140            'this:getTitle',
141            array('string'),
142            'Returns the wiki title.',
143            true
144        );
145
146        $this->addCallback(
147            'dokuwiki.appendPage',
148            'this:appendPage',
149            array('int', 'string', 'string', 'struct'),
150            'Append text to a wiki page.'
151        );
152
153        /* Wiki API v2 http://www.jspwiki.org/wiki/WikiRPCInterface2 */
154        $this->addCallback(
155            'wiki.getRPCVersionSupported',
156            'this:wiki_RPCVersion',
157            array('int'),
158            'Returns 2 with the supported RPC API version.',
159            true
160        );
161        $this->addCallback(
162            'wiki.getPage',
163            'this:rawPage',
164            array('string','string'),
165            'Get the raw Wiki text of page, latest version.'
166        );
167        $this->addCallback(
168            'wiki.getPageVersion',
169            'this:rawPage',
170            array('string','string','int'),
171            'Get the raw Wiki text of page.'
172        );
173        $this->addCallback(
174            'wiki.getPageHTML',
175            'this:htmlPage',
176            array('string','string'),
177            'Return page in rendered HTML, latest version.'
178        );
179        $this->addCallback(
180            'wiki.getPageHTMLVersion',
181            'this:htmlPage',
182            array('string','string','int'),
183            'Return page in rendered HTML.'
184        );
185        $this->addCallback(
186            'wiki.getAllPages',
187            'this:listPages',
188            array('struct'),
189            'Returns a list of all pages. The result is an array of utf8 pagenames.'
190        );
191        $this->addCallback(
192            'wiki.getAttachments',
193            'this:listAttachments',
194            array('struct', 'string', 'struct'),
195            'Returns a list of all media files.'
196        );
197        $this->addCallback(
198            'wiki.getBackLinks',
199            'this:listBackLinks',
200            array('struct','string'),
201            'Returns the pages that link to this page.'
202        );
203        $this->addCallback(
204            'wiki.getPageInfo',
205            'this:pageInfo',
206            array('struct','string'),
207            'Returns a struct with infos about the page.'
208        );
209        $this->addCallback(
210            'wiki.getPageInfoVersion',
211            'this:pageInfo',
212            array('struct','string','int'),
213            'Returns a struct with infos about the page.'
214        );
215        $this->addCallback(
216            'wiki.getPageVersions',
217            'this:pageVersions',
218            array('struct','string','int'),
219            'Returns the available revisions of the page.'
220        );
221        $this->addCallback(
222            'wiki.putPage',
223            'this:putPage',
224            array('int', 'string', 'string', 'struct'),
225            'Saves a wiki page.'
226        );
227        $this->addCallback(
228            'wiki.listLinks',
229            'this:listLinks',
230            array('struct','string'),
231            'Lists all links contained in a wiki page.'
232        );
233        $this->addCallback(
234            'wiki.getRecentChanges',
235            'this:getRecentChanges',
236            array('struct','int'),
237            'Returns a struct about all recent changes since given timestamp.'
238        );
239        $this->addCallback(
240            'wiki.getRecentMediaChanges',
241            'this:getRecentMediaChanges',
242            array('struct','int'),
243            'Returns a struct about all recent media changes since given timestamp.'
244        );
245        $this->addCallback(
246            'wiki.aclCheck',
247            'this:aclCheck',
248            array('int', 'string'),
249            'Returns the permissions of a given wiki page.'
250        );
251        $this->addCallback(
252            'wiki.putAttachment',
253            'this:putAttachment',
254            array('struct', 'string', 'base64', 'struct'),
255            'Upload a file to the wiki.'
256        );
257        $this->addCallback(
258            'wiki.deleteAttachment',
259            'this:deleteAttachment',
260            array('int', 'string'),
261            'Delete a file from the wiki.'
262        );
263        $this->addCallback(
264            'wiki.getAttachment',
265            'this:getAttachment',
266            array('base64', 'string'),
267            'Download a file from the wiki.'
268        );
269        $this->addCallback(
270            'wiki.getAttachmentInfo',
271            'this:getAttachmentInfo',
272            array('struct', 'string'),
273            'Returns a struct with infos about the attachment.'
274        );
275
276        /**
277         * Trigger XMLRPC_CALLBACK_REGISTER, action plugins can use this event
278         * to extend the XMLRPC interface and register their own callbacks.
279         *
280         * Event data:
281         *  The XMLRPC server object:
282         *
283         *  $event->data->addCallback() - register a callback, the second
284         *  paramter has to be of the form "plugin:<pluginname>:<plugin
285         *  method>"
286         *
287         *  $event->data->callbacks - an array which holds all awaylable
288         *  callbacks
289         */
290        trigger_event('XMLRPC_CALLBACK_REGISTER', $this);
291
292        $this->serve();
293    }
294
295    /**
296     * Return a raw wiki page
297     */
298    function rawPage($id,$rev=''){
299        $id = cleanID($id);
300        if(auth_quickaclcheck($id) < AUTH_READ){
301            return new IXR_Error(1, 'You are not allowed to read this page');
302        }
303        $text = rawWiki($id,$rev);
304        if(!$text) {
305            return pageTemplate($id);
306        } else {
307            return $text;
308        }
309    }
310
311    /**
312     * Return a media file encoded in base64
313     *
314     * @author Gina Haeussge <osd@foosel.net>
315     */
316    function getAttachment($id){
317        $id = cleanID($id);
318        if (auth_quickaclcheck(getNS($id).':*') < AUTH_READ)
319            return new IXR_Error(1, 'You are not allowed to read this file');
320
321        $file = mediaFN($id);
322        if (!@ file_exists($file))
323            return new IXR_Error(1, 'The requested file does not exist');
324
325        $data = io_readFile($file, false);
326        $base64 = base64_encode($data);
327        return $base64;
328    }
329
330    /**
331     * Return info about a media file
332     *
333     * @author Gina Haeussge <osd@foosel.net>
334     */
335    function getAttachmentInfo($id){
336        $id = cleanID($id);
337        $info = array(
338            'lastModified' => 0,
339            'size' => 0,
340        );
341
342        $file = mediaFN($id);
343        if ((auth_quickaclcheck(getNS($id).':*') >= AUTH_READ) && file_exists($file)){
344            $info['lastModified'] = new IXR_Date(filemtime($file));
345            $info['size'] = filesize($file);
346        }
347
348        return $info;
349    }
350
351    /**
352     * Return a wiki page rendered to html
353     */
354    function htmlPage($id,$rev=''){
355        $id = cleanID($id);
356        if(auth_quickaclcheck($id) < AUTH_READ){
357            return new IXR_Error(1, 'You are not allowed to read this page');
358        }
359        return p_wiki_xhtml($id,$rev,false);
360    }
361
362    /**
363     * List all pages - we use the indexer list here
364     */
365    function listPages(){
366        $list  = array();
367        $pages = idx_get_indexer()->getPages();
368        $pages = array_filter(array_filter($pages,'isVisiblePage'),'page_exists');
369
370        foreach(array_keys($pages) as $idx) {
371            $perm = auth_quickaclcheck($pages[$idx]);
372            if($perm < AUTH_READ) {
373                continue;
374            }
375            $page = array();
376            $page['id'] = trim($pages[$idx]);
377            $page['perms'] = $perm;
378            $page['size'] = @filesize(wikiFN($pages[$idx]));
379            $page['lastModified'] = new IXR_Date(@filemtime(wikiFN($pages[$idx])));
380            $list[] = $page;
381        }
382
383        return $list;
384    }
385
386    /**
387     * List all pages in the given namespace (and below)
388     */
389    function readNamespace($ns,$opts){
390        global $conf;
391
392        if(!is_array($opts)) $opts=array();
393
394        $ns = cleanID($ns);
395        $dir = utf8_encodeFN(str_replace(':', '/', $ns));
396        $data = array();
397        $opts['skipacl'] = 0; // no ACL skipping for XMLRPC
398        search($data, $conf['datadir'], 'search_allpages', $opts, $dir);
399        return $data;
400    }
401
402    /**
403     * List all pages in the given namespace (and below)
404     */
405    function search($query){
406        require_once(DOKU_INC.'inc/fulltext.php');
407
408        $regex = '';
409        $data  = ft_pageSearch($query,$regex);
410        $pages = array();
411
412        // prepare additional data
413        $idx = 0;
414        foreach($data as $id => $score){
415            $file = wikiFN($id);
416
417            if($idx < FT_SNIPPET_NUMBER){
418                $snippet = ft_snippet($id,$regex);
419                $idx++;
420            }else{
421                $snippet = '';
422            }
423
424            $pages[] = array(
425                'id'      => $id,
426                'score'   => $score,
427                'rev'     => filemtime($file),
428                'mtime'   => filemtime($file),
429                'size'    => filesize($file),
430                'snippet' => $snippet,
431            );
432        }
433        return $pages;
434    }
435
436    /**
437     * Returns the wiki title.
438     */
439    function getTitle(){
440        global $conf;
441        return $conf['title'];
442    }
443
444    /**
445     * List all media files.
446     *
447     * Available options are 'recursive' for also including the subnamespaces
448     * in the listing, and 'pattern' for filtering the returned files against
449     * a regular expression matching their name.
450     *
451     * @author Gina Haeussge <osd@foosel.net>
452     */
453    function listAttachments($ns, $options = array()) {
454        global $conf;
455        global $lang;
456
457        $ns = cleanID($ns);
458
459        if (!is_array($options)) $options = array();
460        $options['skipacl'] = 0; // no ACL skipping for XMLRPC
461
462
463        if(auth_quickaclcheck($ns.':*') >= AUTH_READ) {
464            $dir = utf8_encodeFN(str_replace(':', '/', $ns));
465
466            $data = array();
467            search($data, $conf['mediadir'], 'search_media', $options, $dir);
468            $len = count($data);
469            if(!$len) return array();
470
471            for($i=0; $i<$len; $i++) {
472                unset($data[$i]['meta']);
473                $data[$i]['lastModified'] = new IXR_Date($data[$i]['mtime']);
474            }
475            return $data;
476        } else {
477            return new IXR_Error(1, 'You are not allowed to list media files.');
478        }
479    }
480
481    /**
482     * Return a list of backlinks
483     */
484    function listBackLinks($id){
485        return ft_backlinks(cleanID($id));
486    }
487
488    /**
489     * Return some basic data about a page
490     */
491    function pageInfo($id,$rev=''){
492        $id = cleanID($id);
493        if(auth_quickaclcheck($id) < AUTH_READ){
494            return new IXR_Error(1, 'You are not allowed to read this page');
495        }
496        $file = wikiFN($id,$rev);
497        $time = @filemtime($file);
498        if(!$time){
499            return new IXR_Error(10, 'The requested page does not exist');
500        }
501
502        $info = getRevisionInfo($id, $time, 1024);
503
504        $data = array(
505            'name'         => $id,
506            'lastModified' => new IXR_Date($time),
507            'author'       => (($info['user']) ? $info['user'] : $info['ip']),
508            'version'      => $time
509        );
510
511        return ($data);
512    }
513
514    /**
515     * Save a wiki page
516     *
517     * @author Michael Klier <chi@chimeric.de>
518     */
519    function putPage($id, $text, $params) {
520        global $TEXT;
521        global $lang;
522        global $conf;
523
524        $id    = cleanID($id);
525        $TEXT  = cleanText($text);
526        $sum   = $params['sum'];
527        $minor = $params['minor'];
528
529        if(empty($id))
530            return new IXR_Error(1, 'Empty page ID');
531
532        if(!page_exists($id) && trim($TEXT) == '' ) {
533            return new IXR_ERROR(1, 'Refusing to write an empty new wiki page');
534        }
535
536        if(auth_quickaclcheck($id) < AUTH_EDIT)
537            return new IXR_Error(1, 'You are not allowed to edit this page');
538
539        // Check, if page is locked
540        if(checklock($id))
541            return new IXR_Error(1, 'The page is currently locked');
542
543        // SPAM check
544        if(checkwordblock())
545            return new IXR_Error(1, 'Positive wordblock check');
546
547        // autoset summary on new pages
548        if(!page_exists($id) && empty($sum)) {
549            $sum = $lang['created'];
550        }
551
552        // autoset summary on deleted pages
553        if(page_exists($id) && empty($TEXT) && empty($sum)) {
554            $sum = $lang['deleted'];
555        }
556
557        lock($id);
558
559        saveWikiText($id,$TEXT,$sum,$minor);
560
561        unlock($id);
562
563        // run the indexer if page wasn't indexed yet
564        idx_addPage($id);
565
566        return 0;
567    }
568
569    /**
570     * Appends text to a wiki page.
571     */
572    function appendPage($id, $text, $params) {
573        $currentpage = $this->rawPage($id);
574        if (!is_string($currentpage)) {
575            return $currentpage;
576        }
577        return $this->putPage($id, $currentpage.$text, $params);
578    }
579
580    /**
581     * Uploads a file to the wiki.
582     *
583     * Michael Klier <chi@chimeric.de>
584     */
585    function putAttachment($id, $file, $params) {
586        $id = cleanID($id);
587        global $conf;
588        global $lang;
589
590        $auth = auth_quickaclcheck(getNS($id).':*');
591        if($auth >= AUTH_UPLOAD) {
592            if(!isset($id)) {
593                return new IXR_ERROR(1, 'Filename not given.');
594            }
595
596            $ftmp = $conf['tmpdir'] . '/' . md5($id.clientIP());
597
598            // save temporary file
599            @unlink($ftmp);
600            $buff = base64_decode($file);
601            io_saveFile($ftmp, $buff);
602
603            // get filename
604            list($iext, $imime,$dl) = mimetype($id);
605            $id = cleanID($id);
606            $fn = mediaFN($id);
607
608            // get filetype regexp
609            $types = array_keys(getMimeTypes());
610            $types = array_map(create_function('$q','return preg_quote($q,"/");'),$types);
611            $regex = join('|',$types);
612
613            // because a temp file was created already
614            if(preg_match('/\.('.$regex.')$/i',$fn)) {
615                //check for overwrite
616                $overwrite = @file_exists($fn);
617                if($overwrite && (!$params['ow'] || $auth < AUTH_DELETE)) {
618                    return new IXR_ERROR(1, $lang['uploadexist'].'1');
619                }
620                // check for valid content
621                $ok = media_contentcheck($ftmp, $imime);
622                if($ok == -1) {
623                    return new IXR_ERROR(1, sprintf($lang['uploadexist'].'2', ".$iext"));
624                } elseif($ok == -2) {
625                    return new IXR_ERROR(1, $lang['uploadspam']);
626                } elseif($ok == -3) {
627                    return new IXR_ERROR(1, $lang['uploadxss']);
628                }
629
630                // prepare event data
631                $data[0] = $ftmp;
632                $data[1] = $fn;
633                $data[2] = $id;
634                $data[3] = $imime;
635                $data[4] = $overwrite;
636
637                // trigger event
638                return trigger_event('MEDIA_UPLOAD_FINISH', $data, array($this, '_media_upload_action'), true);
639
640            } else {
641                return new IXR_ERROR(1, $lang['uploadwrong']);
642            }
643        } else {
644            return new IXR_ERROR(1, "You don't have permissions to upload files.");
645        }
646    }
647
648    /**
649     * Deletes a file from the wiki.
650     *
651     * @author Gina Haeussge <osd@foosel.net>
652     */
653    function deleteAttachment($id){
654        $id = cleanID($id);
655        $auth = auth_quickaclcheck(getNS($id).':*');
656        if($auth < AUTH_DELETE) return new IXR_ERROR(1, "You don't have permissions to delete files.");
657        global $conf;
658        global $lang;
659
660        // check for references if needed
661        $mediareferences = array();
662        if($conf['refcheck']){
663            $mediareferences = ft_mediause($id,$conf['refshow']);
664        }
665
666        if(!count($mediareferences)){
667            $file = mediaFN($id);
668            if(@unlink($file)){
669                addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_DELETE);
670                io_sweepNS($id,'mediadir');
671                return 0;
672            }
673            //something went wrong
674               return new IXR_ERROR(1, 'Could not delete file');
675        } else {
676            return new IXR_ERROR(1, 'File is still referenced');
677        }
678    }
679
680    /**
681     * Moves the temporary file to its final destination.
682     *
683     * Michael Klier <chi@chimeric.de>
684     */
685    function _media_upload_action($data) {
686        global $conf;
687
688        if(is_array($data) && count($data)===5) {
689            io_createNamespace($data[2], 'media');
690            if(rename($data[0], $data[1])) {
691                chmod($data[1], $conf['fmode']);
692                media_notify($data[2], $data[1], $data[3]);
693                // add a log entry to the media changelog
694                if ($data[4]) {
695                    addMediaLogEntry(time(), $data[2], DOKU_CHANGE_TYPE_EDIT);
696                } else {
697                    addMediaLogEntry(time(), $data[2], DOKU_CHANGE_TYPE_CREATE);
698                }
699                return $data[2];
700            } else {
701                return new IXR_ERROR(1, 'Upload failed.');
702            }
703        } else {
704            return new IXR_ERROR(1, 'Upload failed.');
705        }
706    }
707
708    /**
709    * Returns the permissions of a given wiki page
710    */
711    function aclCheck($id) {
712        $id = cleanID($id);
713        return auth_quickaclcheck($id);
714    }
715
716    /**
717     * Lists all links contained in a wiki page
718     *
719     * @author Michael Klier <chi@chimeric.de>
720     */
721    function listLinks($id) {
722        $id = cleanID($id);
723        if(auth_quickaclcheck($id) < AUTH_READ){
724            return new IXR_Error(1, 'You are not allowed to read this page');
725        }
726        $links = array();
727
728        // resolve page instructions
729        $ins   = p_cached_instructions(wikiFN($id));
730
731        // instantiate new Renderer - needed for interwiki links
732        include(DOKU_INC.'inc/parser/xhtml.php');
733        $Renderer = new Doku_Renderer_xhtml();
734        $Renderer->interwiki = getInterwiki();
735
736        // parse parse instructions
737        foreach($ins as $in) {
738            $link = array();
739            switch($in[0]) {
740                case 'internallink':
741                    $link['type'] = 'local';
742                    $link['page'] = $in[1][0];
743                    $link['href'] = wl($in[1][0]);
744                    array_push($links,$link);
745                    break;
746                case 'externallink':
747                    $link['type'] = 'extern';
748                    $link['page'] = $in[1][0];
749                    $link['href'] = $in[1][0];
750                    array_push($links,$link);
751                    break;
752                case 'interwikilink':
753                    $url = $Renderer->_resolveInterWiki($in[1][2],$in[1][3]);
754                    $link['type'] = 'extern';
755                    $link['page'] = $url;
756                    $link['href'] = $url;
757                    array_push($links,$link);
758                    break;
759            }
760        }
761
762        return ($links);
763    }
764
765    /**
766     * Returns a list of recent changes since give timestamp
767     *
768     * @author Michael Hamann <michael@content-space.de>
769     * @author Michael Klier <chi@chimeric.de>
770     */
771    function getRecentChanges($timestamp) {
772        if(strlen($timestamp) != 10)
773            return new IXR_Error(20, 'The provided value is not a valid timestamp');
774
775        $recents = getRecentsSince($timestamp);
776
777        $changes = array();
778
779        foreach ($recents as $recent) {
780            $change = array();
781            $change['name']         = $recent['id'];
782            $change['lastModified'] = new IXR_Date($recent['date']);
783            $change['author']       = $recent['user'];
784            $change['version']      = $recent['date'];
785            $change['perms']        = $recent['perms'];
786            $change['size']         = @filesize(wikiFN($recent['id']));
787            array_push($changes, $change);
788        }
789
790        if (!empty($changes)) {
791            return $changes;
792        } else {
793            // in case we still have nothing at this point
794            return new IXR_Error(30, 'There are no changes in the specified timeframe');
795        }
796    }
797
798    /**
799     * Returns a list of recent media changes since give timestamp
800     *
801     * @author Michael Hamann <michael@content-space.de>
802     * @author Michael Klier <chi@chimeric.de>
803     */
804    function getRecentMediaChanges($timestamp) {
805        if(strlen($timestamp) != 10)
806            return new IXR_Error(20, 'The provided value is not a valid timestamp');
807
808        $recents = getRecentsSince($timestamp, null, '', RECENTS_MEDIA_CHANGES);
809
810        $changes = array();
811
812        foreach ($recents as $recent) {
813            $change = array();
814            $change['name']         = $recent['id'];
815            $change['lastModified'] = new IXR_Date($recent['date']);
816            $change['author']       = $recent['user'];
817            $change['version']      = $recent['date'];
818            $change['perms']        = $recent['perms'];
819            $change['size']         = @filesize(mediaFN($recent['id']));
820            array_push($changes, $change);
821        }
822
823        if (!empty($changes)) {
824            return $changes;
825        } else {
826            // in case we still have nothing at this point
827            return new IXR_Error(30, 'There are no changes in the specified timeframe');
828        }
829    }
830
831    /**
832     * Returns a list of available revisions of a given wiki page
833     *
834     * @author Michael Klier <chi@chimeric.de>
835     */
836    function pageVersions($id, $first) {
837        $id = cleanID($id);
838        if(auth_quickaclcheck($id) < AUTH_READ){
839            return new IXR_Error(1, 'You are not allowed to read this page');
840        }
841        global $conf;
842
843        $versions = array();
844
845        if(empty($id))
846            return new IXR_Error(1, 'Empty page ID');
847
848        $revisions = getRevisions($id, $first, $conf['recent']+1);
849
850        if(count($revisions)==0 && $first!=0) {
851            $first=0;
852            $revisions = getRevisions($id, $first, $conf['recent']+1);
853        }
854
855        if(count($revisions)>0 && $first==0) {
856            array_unshift($revisions, '');  // include current revision
857            array_pop($revisions);          // remove extra log entry
858        }
859
860        $hasNext = false;
861        if(count($revisions)>$conf['recent']) {
862            $hasNext = true;
863            array_pop($revisions); // remove extra log entry
864        }
865
866        if(!empty($revisions)) {
867            foreach($revisions as $rev) {
868                $file = wikiFN($id,$rev);
869                $time = @filemtime($file);
870                // we check if the page actually exists, if this is not the
871                // case this can lead to less pages being returned than
872                // specified via $conf['recent']
873                if($time){
874                    $info = getRevisionInfo($id, $time, 1024);
875                    if(!empty($info)) {
876                        $data['user'] = $info['user'];
877                        $data['ip']   = $info['ip'];
878                        $data['type'] = $info['type'];
879                        $data['sum']  = $info['sum'];
880                        $data['modified'] = new IXR_Date($info['date']);
881                        $data['version'] = $info['date'];
882                        array_push($versions, $data);
883                    }
884                }
885            }
886            return $versions;
887        } else {
888            return array();
889        }
890    }
891
892    /**
893     * The version of Wiki RPC API supported
894     */
895    function wiki_RPCVersion(){
896        return 2;
897    }
898
899
900    /**
901     * Locks or unlocks a given batch of pages
902     *
903     * Give an associative array with two keys: lock and unlock. Both should contain a
904     * list of pages to lock or unlock
905     *
906     * Returns an associative array with the keys locked, lockfail, unlocked and
907     * unlockfail, each containing lists of pages.
908     */
909    function setLocks($set){
910        $locked     = array();
911        $lockfail   = array();
912        $unlocked   = array();
913        $unlockfail = array();
914
915        foreach((array) $set['lock'] as $id){
916            $id = cleanID($id);
917            if(auth_quickaclcheck($id) < AUTH_EDIT || checklock($id)){
918                $lockfail[] = $id;
919            }else{
920                lock($id);
921                $locked[] = $id;
922            }
923        }
924
925        foreach((array) $set['unlock'] as $id){
926            $id = cleanID($id);
927            if(auth_quickaclcheck($id) < AUTH_EDIT || !unlock($id)){
928                $unlockfail[] = $id;
929            }else{
930                $unlocked[] = $id;
931            }
932        }
933
934        return array(
935            'locked'     => $locked,
936            'lockfail'   => $lockfail,
937            'unlocked'   => $unlocked,
938            'unlockfail' => $unlockfail,
939        );
940    }
941
942    function getAPIVersion(){
943        return DOKU_XMLRPC_API_VERSION;
944    }
945
946    function login($user,$pass){
947        global $conf;
948        global $auth;
949        if(!$conf['useacl']) return 0;
950        if(!$auth) return 0;
951        if($auth->canDo('external')){
952            return $auth->trustExternal($user,$pass,false);
953        }else{
954            return auth_login($user,$pass,false,true);
955        }
956    }
957
958
959}
960
961$server = new dokuwiki_xmlrpc_server();
962
963// vim:ts=4:sw=4:et:
964