1<?php 2/** 3 * XML feed export 4 * 5 * @license GPL 2 (http://www.gnu.org/licenses/gpl.html) 6 * @author Andreas Gohr <andi@splitbrain.org> 7 */ 8 9 if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__)).'/'); 10 require_once(DOKU_INC.'inc/init.php'); 11 require_once(DOKU_INC.'inc/common.php'); 12 require_once(DOKU_INC.'inc/parserutils.php'); 13 require_once(DOKU_INC.'inc/feedcreator.class.php'); 14 require_once(DOKU_INC.'inc/auth.php'); 15 16 //set auth header for login 17 if($_REQUEST['login'] && !isset($_SERVER['PHP_AUTH_USER'])){ 18 header('WWW-Authenticate: Basic realm="'.$conf['title'].'"'); 19 header('HTTP/1.0 401 Unauthorized'); 20 auth_logoff(); 21 } 22 23 24 $num = $_REQUEST['num']; 25 $type = $_REQUEST['type']; 26 $mode = $_REQUEST['mode']; 27 $ns = $_REQUEST['ns']; 28 $ltype = $_REQUEST['linkto']; 29 30 switch ($type){ 31 case 'rss': 32 $type = 'RSS0.9'; 33 break; 34 case 'rss2': 35 $type = 'RSS2.0'; 36 break; 37 case 'atom': 38 $type = 'ATOM0.3'; 39 break; 40 default: 41 $type = 'RSS1.0'; 42 } 43 44 //some defaults for the feed 45 $CACHEGROUP = 'feed'; 46 $conf['typography'] = false; 47 $conf['canonical'] = true; 48 $parser['toc'] = false; 49 50# $rss = new UniversalFeedCreator(); 51 $rss = new DokuWikiFeedCreator(); 52 $rss->title = $conf['title']; 53 $rss->link = DOKU_URL; 54 $rss->syndicationURL = DOKU_URL.'/feed.php'; 55 $rss->cssStyleSheet = DOKU_URL.'/feed.css'; 56 57 $image = new FeedImage(); 58 $image->title = $conf['title']; 59 $image->url = DOKU_URL."images/favicon.ico"; 60 $image->link = DOKU_URL; 61 $rss->image = $image; 62 63 if($mode == 'list'){ 64 rssListNamespace($rss,$ns); 65 }else{ 66 rssRecentChanges($rss,$num,$ltype); 67 } 68 69 header('Content-Type: application/xml; charset=utf-8'); 70 print $rss->createFeed($type,'utf-8'); 71 72// ---------------------------------------------------------------- // 73 74/** 75 * Add recent changed to a feed object 76 * 77 * @author Andreas Gohr <andi@splitbrain.org> 78 */ 79function rssRecentChanges(&$rss,$num,$ltype){ 80 $recents = getRecents(0,$num); 81 foreach(array_keys($recents) as $id){ 82 $desc = cleanDesc(p_wiki_xhtml($id,'',false)); 83 $item = new FeedItem(); 84 $item->title = $id; 85 if(!empty($recents[$id]['sum'])){ 86 $item->title .= ' - '.strip_tags($recents[$id]['sum']); 87 } 88 89 switch ($ltype){ 90 case 'page': 91 $item->link = wl($id,'rev='.$recents[$id]['date'],true); 92 break; 93 case 'rev': 94 $item->link = wl($id,'do=revisions&rev='.$recents[$id]['date'],true); 95 break; 96 default: 97 $item->link = wl($id,'do=diff&'.$recents[$id]['date'],true); 98 } 99 100 $item->description = $desc; 101 $item->date = date('r',$recents[$id]['date']); 102 if(strpos($id,':')!==false){ 103 $item->category = substr($id,0,strrpos($id,':')); 104 } 105 if($recents[$id]['user']){ 106 $item->author = $recents[$id]['user'].'@'; 107 }else{ 108 $item->author = 'anonymous@'; 109 } 110 $item->author .= $recents[$id]['ip']; 111 $rss->addItem($item); 112 113 //this can take some time if a lot of recaching has to be done 114 @set_time_limit(30); //reset execution time 115 } 116} 117 118/** 119 * Add all pages of a namespace to a feedobject 120 * 121 * @author Andreas Gohr <andi@splitbrain.org> 122 */ 123function rssListNamespace(&$rss,$ns){ 124 require_once("inc/search.php"); 125 global $conf; 126 127 $ns=':'.cleanID($ns); 128 $ns=str_replace(':','/',$ns); 129 130 $data = array(); 131 sort($data); 132 search($data,$conf['datadir'],'search_list','',$ns); 133 foreach($data as $row){ 134 $id = $row['id']; 135 $date = filemtime(wikiFN($id)); 136 $desc = cleanDesc(p_wiki_xhtml($id,'',false)); 137 $item = new FeedItem(); 138 $item->title = $id; 139 $item->link = wl($id,'rev='.$date,true); 140 $item->description = $desc; 141 $item->date = date('r',$date); 142 $rss->addItem($item); 143 } 144} 145 146/** 147 * Clean description for feed inclusion 148 * 149 * Removes HTML tags and line breaks and trims the text to 150 * 250 chars 151 * 152 * @author Andreas Gohr <andi@splitbrain.org> 153 */ 154function cleanDesc($desc){ 155 //remove TOC 156 $desc = preg_replace('!<div class="toc">.*?(</div>\n</div>)!s','',$desc); 157 $desc = strip_tags($desc); 158 $desc = preg_replace('/[\n\r\t]/',' ',$desc); 159 $desc = preg_replace('/ /',' ',$desc); 160 $desc = utf8_substr($desc,0,250); 161 $desc = $desc.'...'; 162 return $desc; 163} 164 165?> 166