*/ if(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/'); require_once(DOKU_INC.'inc/init.php'); require_once(DOKU_INC.'inc/common.php'); require_once(DOKU_INC.'inc/events.php'); require_once(DOKU_INC.'inc/parserutils.php'); require_once(DOKU_INC.'inc/feedcreator.class.php'); require_once(DOKU_INC.'inc/auth.php'); require_once(DOKU_INC.'inc/pageutils.php'); require_once(DOKU_INC.'inc/httputils.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']; $depends['purge'] = ($_REQUEST['purge']) ? true : false; // 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 = DOKU_URL."lib/images/favicon.ico"; $image->link = DOKU_URL; $rss->image = $image; $data = null; if($opt['feed_mode'] == 'list'){ $data = rssListNamespace($opt); }elseif($opt['feed_mode'] == 'search'){ $data = rssSearch($opt); }else{ $eventData = array( 'opt' => &$opt, 'data' => &$data, ); $event = new Doku_Event('FEED_MODE_UNKNOWN', $eventData); if ($event->advise_before(true)) { $data = rssRecentChanges($opt); } $event->advise_after(); } rss_buildItems($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 a initialized option array * * @author Andreas Gohr */ function rss_parseOptions(){ global $conf; $opt['items'] = (int) $_REQUEST['num']; $opt['feed_type'] = $_REQUEST['type']; $opt['feed_mode'] = $_REQUEST['mode']; $opt['show_minor'] = $_REQUEST['minor']; $opt['namespace'] = $_REQUEST['ns']; $opt['link_to'] = $_REQUEST['linkto']; $opt['item_content'] = $_REQUEST['content']; $opt['search_query'] = $_REQUEST['q']; if(!$opt['feed_type']) $opt['feed_type'] = $conf['rss_type']; if(!$opt['item_content']) $opt['item_content'] = $conf['rss_content']; if(!$opt['link_to']) $opt['link_to'] = $conf['rss_linkto']; if(!$opt['items']) $opt['items'] = $conf['recent']; $opt['guardmail'] = ($conf['mailguard'] != '' && $conf['mailguard'] != 'none'); switch ($opt['feed_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']; $meta = p_get_metadata($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': $item->link = wl($id,'rev='.$date,true,'&'); break; case 'rev': $item->link = wl($id,'do=revisions&rev='.$date,true,'&'); break; case 'current': $item->link = wl($id, '', true,'&'); break; case 'diff': default: $item->link = wl($id,'rev='.$date.'&do=diff',true,'&'); } // add item content switch ($opt['item_content']){ case 'diff': case 'htmldiff': 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': $content = p_wiki_xhtml($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('/(description = $content; //FIXME a plugin hook here could be senseful // add user # FIXME should the user be pulled from metadata as well? $user = null; $user = @$ditem['user']; // the @ spares time repeating lookup $item->author = ''; if($user && $conf['useacl'] && $auth){ $userInfo = $auth->getUserData($user); $item->author = $userInfo['name']; if($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($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; global $auth; $flags = RECENTS_SKIP_DELETED; if(!$opt['show_minor']) $flags += RECENTS_SKIP_MINORS; $recents = getRecents(0,$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 = array(); $data = ft_pageSearch($opt['search_query'],$poswords); $data = array_keys($data); return $data; } //Setup VIM: ex: et ts=4 enc=utf-8 :