*/ if(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/'); require_once(DOKU_INC.'inc/init.php'); //close session session_write_close(); // get params $opt = rss_parseOptions(); // the feed is dynamic - we need a cache for each combo // (but most people just use the default feed so it's still effective) $cache = getCacheName(join('',array_values($opt)).$_SERVER['REMOTE_USER'],'.feed'); $key = join('', array_values($opt)) . $_SERVER['REMOTE_USER']; $cache = new cache($key, '.feed'); // prepare cache depends $depends['files'] = getConfigFiles('main'); $depends['age'] = $conf['rss_update']; $depends['purge'] = isset($_REQUEST['purge']); // check cacheage and deliver if nothing has changed since last // time or the update interval has not passed, also handles conditional requests header('Cache-Control: must-revalidate, post-check=0, pre-check=0'); header('Pragma: public'); header('Content-Type: application/xml; charset=utf-8'); header('X-Robots-Tag: noindex'); if($cache->useCache($depends)) { http_conditionalRequest($cache->_time); if($conf['allowdebug']) header("X-CacheUsed: $cache->cache"); print $cache->retrieveCache(); exit; } else { http_conditionalRequest(time()); } // create new feed $rss = new DokuWikiFeedCreator(); $rss->title = $conf['title'].(($opt['namespace']) ? ' '.$opt['namespace'] : ''); $rss->link = DOKU_URL; $rss->syndicationURL = DOKU_URL.'feed.php'; $rss->cssStyleSheet = DOKU_URL.'lib/exe/css.php?s=feed'; $image = new FeedImage(); $image->title = $conf['title']; $image->url = tpl_getFavicon(true); $image->link = DOKU_URL; $rss->image = $image; $data = null; $modes = array('list' => 'rssListNamespace', 'search' => 'rssSearch', 'recent' => 'rssRecentChanges'); if (isset($modes[$opt['feed_mode']])) { $data = $modes[$opt['feed_mode']]($opt); } else { $eventData = array( 'opt' => &$opt, 'data' => &$data, ); $event = new Doku_Event('FEED_MODE_UNKNOWN', $eventData); if ($event->advise_before(true)) { echo sprintf('Unknown feed mode %s', hsc($opt['feed_mode'])); exit; } $event->advise_after(); } rss_buildItems($rss, $data, $opt); $feed = $rss->createFeed($opt['feed_type'],'utf-8'); // save cachefile $cache->storeCache($feed); // finally deliver print $feed; // ---------------------------------------------------------------- // /** * Get URL parameters and config options and return an initialized option array * * @author Andreas Gohr */ function rss_parseOptions(){ global $conf; $opt = array(); foreach(array( // Basic feed properties // Plugins may probably want to add new values to these // properties for implementing own feeds // One of: list, search, recent 'feed_mode' => array('mode', 'recent'), // One of: diff, page, rev, current 'link_to' => array('linkto', $conf['rss_linkto']), // One of: abstract, diff, htmldiff, html 'item_content' => array('content', $conf['rss_content']), // Special feed properties // These are only used by certain feed_modes // String, used for feed title, in list and rc mode 'namespace' => array('ns', null), // Positive integer, only used in rc mode 'items' => array('num', $conf['recent']), // Boolean, only used in rc mode 'show_minor' => array('minor', false), // String, only used in search mode 'search_query' => array('q', null), // One of: pages, media, both 'content_type' => array('view', 'both') ) as $name => $val) { $opt[$name] = (isset($_REQUEST[$val[0]]) && !empty($_REQUEST[$val[0]])) ? $_REQUEST[$val[0]] : $val[1]; } $opt['items'] = max(0, (int) $opt['items']); $opt['show_minor'] = (bool) $opt['show_minor']; $opt['guardmail'] = ($conf['mailguard'] != '' && $conf['mailguard'] != 'none'); $type = valid_input_set('type', array('rss','rss2','atom','atom1','rss1', 'default' => $conf['rss_type']), $_REQUEST); switch ($type){ case 'rss': $opt['feed_type'] = 'RSS0.91'; $opt['mime_type'] = 'text/xml'; break; case 'rss2': $opt['feed_type'] = 'RSS2.0'; $opt['mime_type'] = 'text/xml'; break; case 'atom': $opt['feed_type'] = 'ATOM0.3'; $opt['mime_type'] = 'application/xml'; break; case 'atom1': $opt['feed_type'] = 'ATOM1.0'; $opt['mime_type'] = 'application/atom+xml'; break; default: $opt['feed_type'] = 'RSS1.0'; $opt['mime_type'] = 'application/xml'; } $eventData = array( 'opt' => &$opt, ); trigger_event('FEED_OPTS_POSTPROCESS', $eventData); return $opt; } /** * Add recent changed pages to a feed object * * @author Andreas Gohr * @param object $rss - the FeedCreator Object * @param array $data - the items to add * @param array $opt - the feed options */ function rss_buildItems(&$rss,&$data,$opt){ global $conf; global $lang; global $auth; $eventData = array( 'rss' => &$rss, 'data' => &$data, 'opt' => &$opt, ); $event = new Doku_Event('FEED_DATA_PROCESS', $eventData); if ($event->advise_before(false)){ foreach($data as $ditem){ if(!is_array($ditem)){ // not an array? then only a list of IDs was given $ditem = array( 'id' => $ditem ); } $item = new FeedItem(); $id = $ditem['id']; if(!$ditem['media']) { $meta = p_get_metadata($id); } // add date if($ditem['date']){ $date = $ditem['date']; }elseif($meta['date']['modified']){ $date = $meta['date']['modified']; }else{ $date = @filemtime(wikiFN($id)); } if($date) $item->date = date('r',$date); // add title if($conf['useheading'] && $meta['title']){ $item->title = $meta['title']; }else{ $item->title = $ditem['id']; } if($conf['rss_show_summary'] && !empty($ditem['sum'])){ $item->title .= ' - '.strip_tags($ditem['sum']); } // add item link switch ($opt['link_to']){ case 'page': if ($ditem['media']) { $item->link = media_managerURL(array('image' => $id, 'ns' => getNS($id), 'rev' => $date), '&', true); } else { $item->link = wl($id,'rev='.$date,true,'&', true); } break; case 'rev': if ($ditem['media']) { $item->link = media_managerURL(array('image' => $id, 'ns' => getNS($id), 'rev' => $date, 'tab_details' => 'history'), '&', true); } else { $item->link = wl($id,'do=revisions&rev='.$date,true,'&'); } break; case 'current': if ($ditem['media']) { $item->link = media_managerURL(array('image' => $id, 'ns' => getNS($id)), '&', true); } else { $item->link = wl($id, '', true,'&'); } break; case 'diff': default: if ($ditem['media']) { $item->link = media_managerURL(array('image' => $id, 'ns' => getNS($id), 'rev' => $date, 'tab_details' => 'history', 'mediado' => 'diff'), '&', true); } else { $item->link = wl($id,'rev='.$date.'&do=diff',true,'&'); } } // add item content switch ($opt['item_content']){ case 'diff': case 'htmldiff': if ($ditem['media']) { $revs = getRevisions($id, 0, 1, 8192, true); $rev = $revs[0]; $src_r = ''; $src_l = ''; if ($size = media_image_preview_size($id, false, new JpegMeta(mediaFN($id)), 300)) { $more = 'w='.$size[0].'&h='.$size[1].'t='.@filemtime(mediaFN($id)); $src_r = ml($id, $more); } if ($rev && $size = media_image_preview_size($id, $rev, new JpegMeta(mediaFN($id, $rev)), 300)){ $more = 'rev='.$rev.'&w='.$size[0].'&h='.$size[1]; $src_l = ml($id, $more); } $content = ''; if ($src_r) { $content = ''; $content .= ''; $content .= ''; $content .= ''; $content .= '
'.$rev.''.$lang['current'].'
'; $content .= ''.$id.'
'; } } else { require_once(DOKU_INC.'inc/DifferenceEngine.php'); $revs = getRevisions($id, 0, 1); $rev = $revs[0]; if($rev){ $df = new Diff(explode("\n",htmlspecialchars(rawWiki($id,$rev))), explode("\n",htmlspecialchars(rawWiki($id,'')))); }else{ $df = new Diff(array(''), explode("\n",htmlspecialchars(rawWiki($id,'')))); } if($opt['item_content'] == 'htmldiff'){ $tdf = new TableDiffFormatter(); $content = ''; $content .= ''; $content .= ''; $content .= $tdf->format($df); $content .= '
'.$rev.''.$lang['current'].'
'; }else{ $udf = new UnifiedDiffFormatter(); $content = "
\n".$udf->format($df)."\n
"; } } break; case 'html': if ($ditem['media']) { if ($size = media_image_preview_size($id, false, new JpegMeta(mediaFN($id)))) { $more = 'w='.$size[0].'&h='.$size[1].'t='.@filemtime(mediaFN($id)); $src = ml($id, $more); $content = ''.$id.''; } else { $content = ''; } } else { $content = p_wiki_xhtml($id,$date,false); // no TOC in feeds $content = preg_replace('/().*()/s','',$content); // make URLs work when canonical is not set, regexp instead of rerendering! if(!$conf['canonical']){ $base = preg_quote(DOKU_REL,'/'); $content = preg_replace('/('; } else { $content = ''; } } else { $content = $meta['description']['abstract']; } } $item->description = $content; //FIXME a plugin hook here could be senseful // add user # FIXME should the user be pulled from metadata as well? $user = @$ditem['user']; // the @ spares time repeating lookup $item->author = ''; if($user && $conf['useacl'] && $auth){ $userInfo = $auth->getUserData($user); if ($userInfo){ switch ($conf['showuseras']){ case 'username': $item->author = $userInfo['name']; break; default: $item->author = $user; break; } } else { $item->author = $user; } if($userInfo && !$opt['guardmail']){ $item->authorEmail = $userInfo['mail']; }else{ //cannot obfuscate because some RSS readers may check validity $item->authorEmail = $user.'@'.$ditem['ip']; } }elseif($user){ // this happens when no ACL but some Apache auth is used $item->author = $user; $item->authorEmail = $user.'@'.$ditem['ip']; }else{ $item->authorEmail = 'anonymous@'.$ditem['ip']; } // add category if(isset($meta['subject'])) { $item->category = $meta['subject']; }else{ $cat = getNS($id); if($cat) $item->category = $cat; } // finally add the item to the feed object, after handing it to registered plugins $evdata = array('item' => &$item, 'opt' => &$opt, 'ditem' => &$ditem, 'rss' => &$rss); $evt = new Doku_Event('FEED_ITEM_ADD', $evdata); if ($evt->advise_before()){ $rss->addItem($item); } $evt->advise_after(); // for completeness } } $event->advise_after(); } /** * Add recent changed pages to the feed object * * @author Andreas Gohr */ function rssRecentChanges($opt){ global $conf; $flags = RECENTS_SKIP_DELETED; if(!$opt['show_minor']) $flags += RECENTS_SKIP_MINORS; if($opt['content_type'] == 'media' && $conf['mediarevisions']) $flags += RECENTS_MEDIA_CHANGES; if($opt['content_type'] == 'both' && $conf['mediarevisions']) $flags += RECENTS_MEDIA_PAGES_MIXED; $recents = getRecents(0,$opt['items'],$opt['namespace'],$flags); return $recents; } /** * Add all pages of a namespace to the feed object * * @author Andreas Gohr */ function rssListNamespace($opt){ require_once(DOKU_INC.'inc/search.php'); global $conf; $ns=':'.cleanID($opt['namespace']); $ns=str_replace(':','/',$ns); $data = array(); sort($data); search($data,$conf['datadir'],'search_list','',$ns); return $data; } /** * Add the result of a full text search to the feed object * * @author Andreas Gohr */ function rssSearch($opt){ if(!$opt['search_query']) return; require_once(DOKU_INC.'inc/fulltext.php'); $data = ft_pageSearch($opt['search_query'],$poswords); $data = array_keys($data); return $data; } //Setup VIM: ex: et ts=4 :