xref: /dokuwiki/feed.php (revision 95dc9a1d667b3f0de7afcc1840088a4759e6bef4)
1f3f0262cSandi<?php
215fae107Sandi/**
315fae107Sandi * XML feed export
415fae107Sandi *
515fae107Sandi * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
615fae107Sandi * @author     Andreas Gohr <andi@splitbrain.org>
7f9aa73bfSAndreas Gohr *
8f9aa73bfSAndreas Gohr * @global array $conf
98fbb9b14SAndreas Gohr * @global Input $INPUT
1015fae107Sandi */
1115fae107Sandi
120db5771eSMichael Großeuse dokuwiki\Cache\Cache;
130c3a5702SAndreas Gohruse dokuwiki\ChangeLog\MediaChangeLog;
140c3a5702SAndreas Gohruse dokuwiki\ChangeLog\PageChangeLog;
15e1d9dcc8SAndreas Gohruse dokuwiki\Extension\AuthPlugin;
16e1d9dcc8SAndreas Gohruse dokuwiki\Extension\Event;
170c3a5702SAndreas Gohr
18d0a27cb0SAndreas Gohrif(!defined('DOKU_INC')) define('DOKU_INC', dirname(__FILE__) . '/');
19ed7b5f09Sandirequire_once(DOKU_INC . 'inc/init.php');
20f3f0262cSandi
217131b668SAndreas Gohr//close session
228746e727Sandisession_write_close();
238746e727Sandi
2454be1338SGerrit Uitslag//feed disabled?
2554be1338SGerrit Uitslagif(!actionOK('rss')) {
26b09b9f47SGerrit Uitslag    http_status(404);
2754be1338SGerrit Uitslag    echo '<error>RSS feed is disabled.</error>';
2854be1338SGerrit Uitslag    exit;
2954be1338SGerrit Uitslag}
3054be1338SGerrit Uitslag
314ab889eaSAndreas Gohr// get params
324ab889eaSAndreas Gohr$opt = rss_parseOptions();
33f3f0262cSandi
347131b668SAndreas Gohr// the feed is dynamic - we need a cache for each combo
357131b668SAndreas Gohr// (but most people just use the default feed so it's still effective)
3626b26af6SChristopher Smith$key   = join('', array_values($opt)) . '$' . $_SERVER['REMOTE_USER'] . '$' . $_SERVER['HTTP_HOST'] . $_SERVER['SERVER_PORT'];
370db5771eSMichael Große$cache = new Cache($key, '.feed');
380d67055cSMichael Klier
390d67055cSMichael Klier// prepare cache depends
400d67055cSMichael Klier$depends['files'] = getConfigFiles('main');
410d67055cSMichael Klier$depends['age']   = $conf['rss_update'];
428fbb9b14SAndreas Gohr$depends['purge'] = $INPUT->bool('purge');
43f3f0262cSandi
447131b668SAndreas Gohr// check cacheage and deliver if nothing has changed since last
45fbf82939SBen Coburn// time or the update interval has not passed, also handles conditional requests
46fbf82939SBen Coburnheader('Cache-Control: must-revalidate, post-check=0, pre-check=0');
47fbf82939SBen Coburnheader('Pragma: public');
487131b668SAndreas Gohrheader('Content-Type: application/xml; charset=utf-8');
4950ddb617SAndreas Gohrheader('X-Robots-Tag: noindex');
500d67055cSMichael Klierif($cache->useCache($depends)) {
51d2f1d7a1SMichael Große    http_conditionalRequest($cache->getTime());
520d67055cSMichael Klier    if($conf['allowdebug']) header("X-CacheUsed: $cache->cache");
530d67055cSMichael Klier    print $cache->retrieveCache();
547131b668SAndreas Gohr    exit;
55fbf82939SBen Coburn} else {
56fbf82939SBen Coburn    http_conditionalRequest(time());
577131b668SAndreas Gohr}
587131b668SAndreas Gohr
597131b668SAndreas Gohr// create new feed
60572dd708SAndreas Gohr$rss                 = new UniversalFeedCreator();
614ab889eaSAndreas Gohr$rss->title          = $conf['title'] . (($opt['namespace']) ? ' ' . $opt['namespace'] : '');
62ed7b5f09Sandi$rss->link           = DOKU_URL;
63f62ea8a1Sandi$rss->syndicationURL = DOKU_URL . 'feed.php';
64615960feSTom N Harris$rss->cssStyleSheet  = DOKU_URL . 'lib/exe/css.php?s=feed';
65f3f0262cSandi
6679b608ceSandi$image        = new FeedImage();
6779b608ceSandi$image->title = $conf['title'];
68*95dc9a1dSjpedryc$image->url   = tpl_getMediaFile([':wiki:favicon.ico', ':favicon.ico', 'images/favicon.ico'], true);
6979b608ceSandi$image->link  = DOKU_URL;
7079b608ceSandi$rss->image   = $image;
7179b608ceSandi
724bf3df7cSGina Haeussge$data  = null;
73*95dc9a1dSjpedryc$modes = [
74f9aa73bfSAndreas Gohr    'list'   => 'rssListNamespace',
75b5a0be43SAdrian Lang    'search' => 'rssSearch',
76f9aa73bfSAndreas Gohr    'recent' => 'rssRecentChanges'
77*95dc9a1dSjpedryc];
78*95dc9a1dSjpedryc
79b5a0be43SAdrian Langif(isset($modes[$opt['feed_mode']])) {
80b5a0be43SAdrian Lang    $data = $modes[$opt['feed_mode']]($opt);
81f3f0262cSandi} else {
82*95dc9a1dSjpedryc    $eventData = [
834bf3df7cSGina Haeussge        'opt'  => &$opt,
844bf3df7cSGina Haeussge        'data' => &$data,
85*95dc9a1dSjpedryc    ];
86e1d9dcc8SAndreas Gohr    $event     = new Event('FEED_MODE_UNKNOWN', $eventData);
874bf3df7cSGina Haeussge    if($event->advise_before(true)) {
88b5a0be43SAdrian Lang        echo sprintf('<error>Unknown feed mode %s</error>', hsc($opt['feed_mode']));
89b5a0be43SAdrian Lang        exit;
904bf3df7cSGina Haeussge    }
914bf3df7cSGina Haeussge    $event->advise_after();
92f3f0262cSandi}
93f3f0262cSandi
944bf3df7cSGina Haeussgerss_buildItems($rss, $data, $opt);
95572dd708SAndreas Gohr$feed = $rss->createFeed($opt['feed_type']);
967131b668SAndreas Gohr
977131b668SAndreas Gohr// save cachefile
980d67055cSMichael Klier$cache->storeCache($feed);
997131b668SAndreas Gohr
1007131b668SAndreas Gohr// finally deliver
1017131b668SAndreas Gohrprint $feed;
102f3f0262cSandi
10315fae107Sandi// ---------------------------------------------------------------- //
104f3f0262cSandi
10515fae107Sandi/**
106b5a0be43SAdrian Lang * Get URL parameters and config options and return an initialized option array
10715fae107Sandi *
10815fae107Sandi * @author Andreas Gohr <andi@splitbrain.org>
10915fae107Sandi */
1104ab889eaSAndreas Gohrfunction rss_parseOptions() {
111f62ea8a1Sandi    global $conf;
1128fbb9b14SAndreas Gohr    global $INPUT;
113c0f9af6dSNathan Neulinger
114*95dc9a1dSjpedryc    $opt = [];
115f62ea8a1Sandi
116*95dc9a1dSjpedryc    foreach([
117b5a0be43SAdrian Lang                // Basic feed properties
118b5a0be43SAdrian Lang                // Plugins may probably want to add new values to these
119b5a0be43SAdrian Lang                // properties for implementing own feeds
120b5a0be43SAdrian Lang
121b5a0be43SAdrian Lang                // One of: list, search, recent
122*95dc9a1dSjpedryc                'feed_mode'    => ['str', 'mode', 'recent'],
123b5a0be43SAdrian Lang                // One of: diff, page, rev, current
124*95dc9a1dSjpedryc                'link_to'      => ['str', 'linkto', $conf['rss_linkto']],
125b5a0be43SAdrian Lang                // One of: abstract, diff, htmldiff, html
126*95dc9a1dSjpedryc                'item_content' => ['str', 'content', $conf['rss_content']],
127b5a0be43SAdrian Lang
128b5a0be43SAdrian Lang                // Special feed properties
129b5a0be43SAdrian Lang                // These are only used by certain feed_modes
130b5a0be43SAdrian Lang
131b5a0be43SAdrian Lang                // String, used for feed title, in list and rc mode
132*95dc9a1dSjpedryc                'namespace'    => ['str', 'ns', null],
133b5a0be43SAdrian Lang                // Positive integer, only used in rc mode
134*95dc9a1dSjpedryc                'items'        => ['int', 'num', $conf['recent']],
135b5a0be43SAdrian Lang                // Boolean, only used in rc mode
136*95dc9a1dSjpedryc                'show_minor'   => ['bool', 'minor', false],
13768f43bcfSTero Kivinen                // Boolean, only used in rc mode
138*95dc9a1dSjpedryc                'only_new'     => ['bool', 'onlynewpages', false],
139477e5998SGerrit Uitslag                // String, only used in list mode
140*95dc9a1dSjpedryc                'sort'         => ['str', 'sort', 'natural'],
141b5a0be43SAdrian Lang                // String, only used in search mode
142*95dc9a1dSjpedryc                'search_query' => ['str', 'q', null],
1436dd095f5SKate Arzamastseva                // One of: pages, media, both
144*95dc9a1dSjpedryc                'content_type' => ['str', 'view', $conf['rss_media']]
145b5a0be43SAdrian Lang
146*95dc9a1dSjpedryc            ] as $name => $val) {
1476ebabe2fSGerrit Uitslag        $opt[$name] = $INPUT->{$val[0]}($val[1], $val[2], true);
148b5a0be43SAdrian Lang    }
149b5a0be43SAdrian Lang
150b5a0be43SAdrian Lang    $opt['items']      = max(0, (int) $opt['items']);
151b5a0be43SAdrian Lang    $opt['show_minor'] = (bool) $opt['show_minor'];
15268f43bcfSTero Kivinen    $opt['only_new']   = (bool) $opt['only_new'];
153*95dc9a1dSjpedryc    $opt['sort']       = valid_input_set('sort', ['default' => 'natural', 'date'], $opt);
154b5a0be43SAdrian Lang
1554ab889eaSAndreas Gohr    $opt['guardmail'] = ($conf['mailguard'] != '' && $conf['mailguard'] != 'none');
156b6912aeaSAndreas Gohr
157d2704764SAndreas Gohr    $type = $INPUT->valid(
158d2704764SAndreas Gohr        'type',
159*95dc9a1dSjpedryc        ['rss', 'rss2', 'atom', 'atom1', 'rss1'],
160d2704764SAndreas Gohr        $conf['rss_type']
161f9aa73bfSAndreas Gohr    );
162b5a0be43SAdrian Lang    switch($type) {
1634ab889eaSAndreas Gohr        case 'rss':
1644ab889eaSAndreas Gohr            $opt['feed_type'] = 'RSS0.91';
1654ab889eaSAndreas Gohr            $opt['mime_type'] = 'text/xml';
1664ab889eaSAndreas Gohr            break;
1674ab889eaSAndreas Gohr        case 'rss2':
1684ab889eaSAndreas Gohr            $opt['feed_type'] = 'RSS2.0';
1694ab889eaSAndreas Gohr            $opt['mime_type'] = 'text/xml';
1704ab889eaSAndreas Gohr            break;
1714ab889eaSAndreas Gohr        case 'atom':
1724ab889eaSAndreas Gohr            $opt['feed_type'] = 'ATOM0.3';
1734ab889eaSAndreas Gohr            $opt['mime_type'] = 'application/xml';
1744ab889eaSAndreas Gohr            break;
1754ab889eaSAndreas Gohr        case 'atom1':
1764ab889eaSAndreas Gohr            $opt['feed_type'] = 'ATOM1.0';
1774ab889eaSAndreas Gohr            $opt['mime_type'] = 'application/atom+xml';
1784ab889eaSAndreas Gohr            break;
1794ab889eaSAndreas Gohr        default:
1804ab889eaSAndreas Gohr            $opt['feed_type'] = 'RSS1.0';
1814ab889eaSAndreas Gohr            $opt['mime_type'] = 'application/xml';
1824ab889eaSAndreas Gohr    }
1834bf3df7cSGina Haeussge
184*95dc9a1dSjpedryc    $eventData = [
1854bf3df7cSGina Haeussge        'opt' => &$opt,
186*95dc9a1dSjpedryc    ];
187cbb44eabSAndreas Gohr    Event::createAndTrigger('FEED_OPTS_POSTPROCESS', $eventData);
1884ab889eaSAndreas Gohr    return $opt;
1894ab889eaSAndreas Gohr}
190b6912aeaSAndreas Gohr
1914ab889eaSAndreas Gohr/**
1924ab889eaSAndreas Gohr * Add recent changed pages to a feed object
1934ab889eaSAndreas Gohr *
194f9aa73bfSAndreas Gohr * @param FeedCreator $rss  the FeedCreator Object
195f9aa73bfSAndreas Gohr * @param array       $data the items to add
196f9aa73bfSAndreas Gohr * @param array       $opt  the feed options
197*95dc9a1dSjpedryc * @author Andreas Gohr <andi@splitbrain.org>
1984ab889eaSAndreas Gohr */
1994ab889eaSAndreas Gohrfunction rss_buildItems(&$rss, &$data, $opt) {
2004ab889eaSAndreas Gohr    global $conf;
2014ab889eaSAndreas Gohr    global $lang;
202e1d9dcc8SAndreas Gohr    /* @var AuthPlugin $auth */
2033d581c29SAndreas Gohr    global $auth;
204883480fbSAndreas Gohr
205*95dc9a1dSjpedryc    $eventData = [
2064bf3df7cSGina Haeussge        'rss'  => &$rss,
2074bf3df7cSGina Haeussge        'data' => &$data,
2084bf3df7cSGina Haeussge        'opt'  => &$opt,
209*95dc9a1dSjpedryc    ];
210e1d9dcc8SAndreas Gohr    $event     = new Event('FEED_DATA_PROCESS', $eventData);
2114bf3df7cSGina Haeussge    if($event->advise_before(false)) {
2124ab889eaSAndreas Gohr        foreach($data as $ditem) {
2134bb1b5aeSAndreas Gohr            if(!is_array($ditem)) {
2144bb1b5aeSAndreas Gohr                // not an array? then only a list of IDs was given
215*95dc9a1dSjpedryc                $ditem = ['id' => $ditem];
2164bb1b5aeSAndreas Gohr            }
2174bb1b5aeSAndreas Gohr
218f3f0262cSandi            $item = new FeedItem();
2194ab889eaSAndreas Gohr            $id   = $ditem['id'];
2206dd095f5SKate Arzamastseva            if(!$ditem['media']) {
2214ab889eaSAndreas Gohr                $meta = p_get_metadata($id);
222be808effSMichael Hamann            } else {
223*95dc9a1dSjpedryc                $meta = [];
2246dd095f5SKate Arzamastseva            }
22503ee62cbSjoe.lapp
2264ab889eaSAndreas Gohr            // add date
2274ab889eaSAndreas Gohr            if($ditem['date']) {
2284ab889eaSAndreas Gohr                $date = $ditem['date'];
229be808effSMichael Hamann            } elseif($ditem['media']) {
230be808effSMichael Hamann                $date = @filemtime(mediaFN($id));
23179e79377SAndreas Gohr            } elseif(file_exists(wikiFN($id))) {
2324ab889eaSAndreas Gohr                $date = @filemtime(wikiFN($id));
2331512eb89SMichael Hamann            } elseif($meta['date']['modified']) {
2341512eb89SMichael Hamann                $date = $meta['date']['modified'];
2351512eb89SMichael Hamann            } else {
2361512eb89SMichael Hamann                $date = 0;
2374ab889eaSAndreas Gohr            }
2384ab889eaSAndreas Gohr            if($date) $item->date = date('r', $date);
2394ab889eaSAndreas Gohr
2404ab889eaSAndreas Gohr            // add title
2418716966dSAndreas Gohr            if($conf['useheading'] && $meta['title']) {
2428716966dSAndreas Gohr                $item->title = $meta['title'];
2438716966dSAndreas Gohr            } else {
2444ab889eaSAndreas Gohr                $item->title = $ditem['id'];
24503ee62cbSjoe.lapp            }
2464ab889eaSAndreas Gohr            if($conf['rss_show_summary'] && !empty($ditem['sum'])) {
2474ab889eaSAndreas Gohr                $item->title .= ' - ' . strip_tags($ditem['sum']);
248b1a1915cSandi            }
2494d58bd99Sandi
2504ab889eaSAndreas Gohr            // add item link
2514ab889eaSAndreas Gohr            switch($opt['link_to']) {
2524d58bd99Sandi                case 'page':
2536dd095f5SKate Arzamastseva                    if($ditem['media']) {
254f9aa73bfSAndreas Gohr                        $item->link = media_managerURL(
255*95dc9a1dSjpedryc                            [
256f9aa73bfSAndreas Gohr                                'image' => $id,
2576dd095f5SKate Arzamastseva                                'ns'    => getNS($id),
258f9aa73bfSAndreas Gohr                                'rev'   => $date
259*95dc9a1dSjpedryc                            ], '&', true
260f9aa73bfSAndreas Gohr                        );
2616dd095f5SKate Arzamastseva                    } else {
2623e967eacSAndreas Gohr                        $item->link = wl($id, 'rev=' . $date, true, '&');
2636dd095f5SKate Arzamastseva                    }
2644d58bd99Sandi                    break;
2654d58bd99Sandi                case 'rev':
2666dd095f5SKate Arzamastseva                    if($ditem['media']) {
267f9aa73bfSAndreas Gohr                        $item->link = media_managerURL(
268*95dc9a1dSjpedryc                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   [
269f9aa73bfSAndreas Gohr                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    'image'       => $id,
2706dd095f5SKate Arzamastseva                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    'ns'    => getNS($id),
2716dd095f5SKate Arzamastseva                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    'rev'   => $date,
272f9aa73bfSAndreas Gohr                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    'tab_details' => 'history'
273*95dc9a1dSjpedryc                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ], '&', true
274f9aa73bfSAndreas Gohr                        );
2756dd095f5SKate Arzamastseva                    } else {
2764ab889eaSAndreas Gohr                        $item->link = wl($id, 'do=revisions&rev=' . $date, true, '&');
2776dd095f5SKate Arzamastseva                    }
2784d58bd99Sandi                    break;
27992e52d8dSjoe.lapp                case 'current':
2806dd095f5SKate Arzamastseva                    if($ditem['media']) {
281f9aa73bfSAndreas Gohr                        $item->link = media_managerURL(
282*95dc9a1dSjpedryc                               [
283f9aa73bfSAndreas Gohr                                'image' => $id,
284f9aa73bfSAndreas Gohr                                'ns'    => getNS($id)
285*95dc9a1dSjpedryc                            ], '&', true
286f9aa73bfSAndreas Gohr                        );
2876dd095f5SKate Arzamastseva                    } else {
2884ab889eaSAndreas Gohr                        $item->link = wl($id, '', true, '&');
2896dd095f5SKate Arzamastseva                    }
29092e52d8dSjoe.lapp                    break;
29192e52d8dSjoe.lapp                case 'diff':
2924d58bd99Sandi                default:
2936dd095f5SKate Arzamastseva                    if($ditem['media']) {
294f9aa73bfSAndreas Gohr                        $item->link = media_managerURL(
295*95dc9a1dSjpedryc                               [
296f9aa73bfSAndreas Gohr                                'image'       => $id,
2976dd095f5SKate Arzamastseva                                'ns'    => getNS($id),
2986dd095f5SKate Arzamastseva                                'rev'   => $date,
2996dd095f5SKate Arzamastseva                                'tab_details' => 'history',
300f9aa73bfSAndreas Gohr                                'mediado'     => 'diff'
301*95dc9a1dSjpedryc                            ], '&', true
302f9aa73bfSAndreas Gohr                        );
3036dd095f5SKate Arzamastseva                    } else {
3044ab889eaSAndreas Gohr                        $item->link = wl($id, 'rev=' . $date . '&do=diff', true, '&');
3054d58bd99Sandi                    }
3066dd095f5SKate Arzamastseva            }
3074d58bd99Sandi
3084ab889eaSAndreas Gohr            // add item content
3094ab889eaSAndreas Gohr            switch($opt['item_content']) {
3104ab889eaSAndreas Gohr                case 'diff':
3114ab889eaSAndreas Gohr                case 'htmldiff':
3126dd095f5SKate Arzamastseva                    if($ditem['media']) {
313047bad06SGerrit Uitslag                        $medialog = new MediaChangeLog($id);
314047bad06SGerrit Uitslag                        $revs     = $medialog->getRevisions(0, 1);
3156dd095f5SKate Arzamastseva                        $rev      = $revs[0];
3166dd095f5SKate Arzamastseva                        $src_r    = '';
3176dd095f5SKate Arzamastseva                        $src_l    = '';
3186dd095f5SKate Arzamastseva
319e0c26282SGerrit Uitslag                        if($size = media_image_preview_size($id, '', new JpegMeta(mediaFN($id)), 300)) {
320ed714c3eSChristopher Smith                            $more  = 'w=' . $size[0] . '&h=' . $size[1] . '&t=' . @filemtime(mediaFN($id));
32127538f87SChristopher Smith                            $src_r = ml($id, $more, true, '&amp;', true);
3226dd095f5SKate Arzamastseva                        }
3236dd095f5SKate Arzamastseva                        if($rev && $size = media_image_preview_size($id, $rev, new JpegMeta(mediaFN($id, $rev)), 300)) {
3246dd095f5SKate Arzamastseva                            $more  = 'rev=' . $rev . '&w=' . $size[0] . '&h=' . $size[1];
32527538f87SChristopher Smith                            $src_l = ml($id, $more, true, '&amp;', true);
3266dd095f5SKate Arzamastseva                        }
3276dd095f5SKate Arzamastseva                        $content = '';
3286dd095f5SKate Arzamastseva                        if($src_r) {
3296dd095f5SKate Arzamastseva                            $content = '<table>';
3306dd095f5SKate Arzamastseva                            $content .= '<tr><th width="50%">' . $rev . '</th>';
3316dd095f5SKate Arzamastseva                            $content .= '<th width="50%">' . $lang['current'] . '</th></tr>';
3326dd095f5SKate Arzamastseva                            $content .= '<tr align="center"><td><img src="' . $src_l . '" alt="" /></td><td>';
3336dd095f5SKate Arzamastseva                            $content .= '<img src="' . $src_r . '" alt="' . $id . '" /></td></tr>';
3346dd095f5SKate Arzamastseva                            $content .= '</table>';
3356dd095f5SKate Arzamastseva                        }
3366dd095f5SKate Arzamastseva
3376dd095f5SKate Arzamastseva                    } else {
3384ab889eaSAndreas Gohr                        require_once(DOKU_INC . 'inc/DifferenceEngine.php');
339047bad06SGerrit Uitslag                        $pagelog = new PageChangeLog($id);
340f523c971SGerrit Uitslag                        $revs    = $pagelog->getRevisions(0, 1);
3414ab889eaSAndreas Gohr                        $rev     = $revs[0];
3427a98db20Sjoe.lapp
3434ab889eaSAndreas Gohr                        if($rev) {
344*95dc9a1dSjpedryc                            $df = new Diff(
345*95dc9a1dSjpedryc                                explode("\n", rawWiki($id, $rev)),
346*95dc9a1dSjpedryc                                explode("\n", rawWiki($id, ''))
347*95dc9a1dSjpedryc                            );
3484ab889eaSAndreas Gohr                        } else {
349*95dc9a1dSjpedryc                            $df = new Diff(
350*95dc9a1dSjpedryc                                [''],
351*95dc9a1dSjpedryc                                explode("\n", rawWiki($id, ''))
352*95dc9a1dSjpedryc                            );
3534ab889eaSAndreas Gohr                        }
3544ab889eaSAndreas Gohr
3554ab889eaSAndreas Gohr                        if($opt['item_content'] == 'htmldiff') {
356a494ed33SChristopher Smith                            // note: no need to escape diff output, TableDiffFormatter provides 'safe' html
3574ab889eaSAndreas Gohr                            $tdf     = new TableDiffFormatter();
3584ab889eaSAndreas Gohr                            $content = '<table>';
3594ab889eaSAndreas Gohr                            $content .= '<tr><th colspan="2" width="50%">' . $rev . '</th>';
3604ab889eaSAndreas Gohr                            $content .= '<th colspan="2" width="50%">' . $lang['current'] . '</th></tr>';
3614ab889eaSAndreas Gohr                            $content .= $tdf->format($df);
3624ab889eaSAndreas Gohr                            $content .= '</table>';
3634ab889eaSAndreas Gohr                        } else {
364a494ed33SChristopher Smith                            // note: diff output must be escaped, UnifiedDiffFormatter provides plain text
3654ab889eaSAndreas Gohr                            $udf     = new UnifiedDiffFormatter();
366a494ed33SChristopher Smith                            $content = "<pre>\n" . hsc($udf->format($df)) . "\n</pre>";
3674ab889eaSAndreas Gohr                        }
3686dd095f5SKate Arzamastseva                    }
3694ab889eaSAndreas Gohr                    break;
3704ab889eaSAndreas Gohr                case 'html':
3716dd095f5SKate Arzamastseva                    if($ditem['media']) {
372e0c26282SGerrit Uitslag                        if($size = media_image_preview_size($id, '', new JpegMeta(mediaFN($id)))) {
373ed714c3eSChristopher Smith                            $more    = 'w=' . $size[0] . '&h=' . $size[1] . '&t=' . @filemtime(mediaFN($id));
37427538f87SChristopher Smith                            $src  = ml($id, $more, true, '&amp;', true);
3756dd095f5SKate Arzamastseva                            $content = '<img src="' . $src . '" alt="' . $id . '" />';
3766dd095f5SKate Arzamastseva                        } else {
3776dd095f5SKate Arzamastseva                            $content = '';
3786dd095f5SKate Arzamastseva                        }
3796dd095f5SKate Arzamastseva                    } else {
3801512eb89SMichael Hamann                        if(@filemtime(wikiFN($id)) === $date) {
3811512eb89SMichael Hamann                            $content = p_wiki_xhtml($id, '', false);
3821512eb89SMichael Hamann                        } else {
3834ab889eaSAndreas Gohr                            $content = p_wiki_xhtml($id, $date, false);
3841512eb89SMichael Hamann                        }
3854ab889eaSAndreas Gohr                        // no TOC in feeds
3864ab889eaSAndreas Gohr                        $content = preg_replace('/(<!-- TOC START -->).*(<!-- TOC END -->)/s', '', $content);
3874ab889eaSAndreas Gohr
3883c86b7ebSAnika Henke                        // add alignment for images
3891a821051SAndreas Gohr                        $content = preg_replace('/(<img .*?class="medialeft")/s', '\\1 align="left"', $content);
3901a821051SAndreas Gohr                        $content = preg_replace('/(<img .*?class="mediaright")/s', '\\1 align="right"', $content);
3913c86b7ebSAnika Henke
3924ab889eaSAndreas Gohr                        // make URLs work when canonical is not set, regexp instead of rerendering!
3934ab889eaSAndreas Gohr                        if(!$conf['canonical']) {
3944ab889eaSAndreas Gohr                            $base    = preg_quote(DOKU_REL, '/');
3954ab889eaSAndreas Gohr                            $content = preg_replace('/(<a href|<img src)="(' . $base . ')/s', '$1="' . DOKU_URL, $content);
3964ab889eaSAndreas Gohr                        }
3976dd095f5SKate Arzamastseva                    }
3984ab889eaSAndreas Gohr
3994ab889eaSAndreas Gohr                    break;
4004ab889eaSAndreas Gohr                case 'abstract':
4014ab889eaSAndreas Gohr                default:
4026dd095f5SKate Arzamastseva                    if($ditem['media']) {
403e0c26282SGerrit Uitslag                        if($size = media_image_preview_size($id, '', new JpegMeta(mediaFN($id)))) {
404ed714c3eSChristopher Smith                            $more    = 'w=' . $size[0] . '&h=' . $size[1] . '&t=' . @filemtime(mediaFN($id));
40527538f87SChristopher Smith                            $src  = ml($id, $more, true, '&amp;', true);
4066dd095f5SKate Arzamastseva                            $content = '<img src="' . $src . '" alt="' . $id . '" />';
4076dd095f5SKate Arzamastseva                        } else {
4086dd095f5SKate Arzamastseva                            $content = '';
4096dd095f5SKate Arzamastseva                        }
4106dd095f5SKate Arzamastseva                    } else {
4114ab889eaSAndreas Gohr                        $content = $meta['description']['abstract'];
4124ab889eaSAndreas Gohr                    }
4136dd095f5SKate Arzamastseva            }
4144ab889eaSAndreas Gohr            $item->description = $content; //FIXME a plugin hook here could be senseful
4154ab889eaSAndreas Gohr
4164ab889eaSAndreas Gohr            // add user
4174ab889eaSAndreas Gohr            # FIXME should the user be pulled from metadata as well?
4184ab889eaSAndreas Gohr            $user = @$ditem['user']; // the @ spares time repeating lookup
4194364181fSAndreas Gohr            if(blank($user)) {
4204364181fSAndreas Gohr                $item->author      = 'Anonymous';
4214364181fSAndreas Gohr                $item->authorEmail = 'anonymous@undisclosed.example.com';
4224364181fSAndreas Gohr            } else {
4234364181fSAndreas Gohr                $item->author      = $user;
4244364181fSAndreas Gohr                $item->authorEmail = $user . '@undisclosed.example.com';
4254364181fSAndreas Gohr
4264364181fSAndreas Gohr                // get real user name if configured
4274364181fSAndreas Gohr                if($conf['useacl'] && $auth) {
428c0f9af6dSNathan Neulinger                    $userInfo = $auth->getUserData($user);
429681a59b2SGina Haeussge                    if($userInfo) {
430681a59b2SGina Haeussge                        switch($conf['showuseras']) {
431681a59b2SGina Haeussge                            case 'username':
432470bf4b2SGerrit Uitslag                            case 'username_link':
4337a98db20Sjoe.lapp                                $item->author = $userInfo['name'];
434681a59b2SGina Haeussge                                break;
435681a59b2SGina Haeussge                            default:
436681a59b2SGina Haeussge                                $item->author = $user;
437681a59b2SGina Haeussge                                break;
438681a59b2SGina Haeussge                        }
439681a59b2SGina Haeussge                    } else {
440681a59b2SGina Haeussge                        $item->author = $user;
441681a59b2SGina Haeussge                    }
442f3f0262cSandi                }
4437a98db20Sjoe.lapp            }
4444ab889eaSAndreas Gohr
4454ab889eaSAndreas Gohr            // add category
446b5a0be43SAdrian Lang            if(isset($meta['subject'])) {
4474ab889eaSAndreas Gohr                $item->category = $meta['subject'];
4484ab889eaSAndreas Gohr            } else {
4494ab889eaSAndreas Gohr                $cat = getNS($id);
4504ab889eaSAndreas Gohr                if($cat) $item->category = $cat;
4514ab889eaSAndreas Gohr            }
4524ab889eaSAndreas Gohr
453883480fbSAndreas Gohr            // finally add the item to the feed object, after handing it to registered plugins
454*95dc9a1dSjpedryc            $evdata = [
455f9aa73bfSAndreas Gohr                'item'  => &$item,
456883480fbSAndreas Gohr                'opt'  => &$opt,
457883480fbSAndreas Gohr                'ditem' => &$ditem,
458f9aa73bfSAndreas Gohr                'rss'   => &$rss
459*95dc9a1dSjpedryc            ];
460e1d9dcc8SAndreas Gohr            $evt    = new Event('FEED_ITEM_ADD', $evdata);
461883480fbSAndreas Gohr            if($evt->advise_before()) {
462f3f0262cSandi                $rss->addItem($item);
463f3f0262cSandi            }
464883480fbSAndreas Gohr            $evt->advise_after(); // for completeness
465883480fbSAndreas Gohr        }
466f3f0262cSandi    }
4674bf3df7cSGina Haeussge    $event->advise_after();
4684bf3df7cSGina Haeussge}
469f3f0262cSandi
4704ab889eaSAndreas Gohr/**
4714bb1b5aeSAndreas Gohr * Add recent changed pages to the feed object
4724ab889eaSAndreas Gohr *
4734ab889eaSAndreas Gohr * @author Andreas Gohr <andi@splitbrain.org>
4744ab889eaSAndreas Gohr */
4754bf3df7cSGina Haeussgefunction rssRecentChanges($opt) {
476e5d185e1SKate Arzamastseva    global $conf;
4778de6bd98SPhy    $flags = 0;
4788de6bd98SPhy    if(!$conf['rss_show_deleted']) $flags += RECENTS_SKIP_DELETED;
4794ab889eaSAndreas Gohr    if(!$opt['show_minor']) $flags += RECENTS_SKIP_MINORS;
48008e9b52fSPhy    if($opt['only_new']) $flags += RECENTS_ONLY_CREATION;
481e5d185e1SKate Arzamastseva    if($opt['content_type'] == 'media' && $conf['mediarevisions']) $flags += RECENTS_MEDIA_CHANGES;
482e5d185e1SKate Arzamastseva    if($opt['content_type'] == 'both' && $conf['mediarevisions']) $flags += RECENTS_MEDIA_PAGES_MIXED;
4834ab889eaSAndreas Gohr
4844ab889eaSAndreas Gohr    $recents = getRecents(0, $opt['items'], $opt['namespace'], $flags);
4854bf3df7cSGina Haeussge    return $recents;
4864ab889eaSAndreas Gohr}
4874ab889eaSAndreas Gohr
48815fae107Sandi/**
4894bb1b5aeSAndreas Gohr * Add all pages of a namespace to the feed object
49015fae107Sandi *
49115fae107Sandi * @author Andreas Gohr <andi@splitbrain.org>
49215fae107Sandi */
4934bf3df7cSGina Haeussgefunction rssListNamespace($opt) {
494f62ea8a1Sandi    require_once(DOKU_INC . 'inc/search.php');
495f3f0262cSandi    global $conf;
496f3f0262cSandi
4974ab889eaSAndreas Gohr    $ns = ':' . cleanID($opt['namespace']);
4986dcc1e8fSGerrit Uitslag    $ns = utf8_encodeFN(str_replace(':', '/', $ns));
499f3f0262cSandi
500*95dc9a1dSjpedryc    $data        = [];
501*95dc9a1dSjpedryc    $search_opts = [
5020b4e20ccSMichael Hamann        'depth'     => 1,
5030b4e20ccSMichael Hamann        'pagesonly' => true,
5040b4e20ccSMichael Hamann        'listfiles' => true
505*95dc9a1dSjpedryc    ];
506477e5998SGerrit Uitslag    search($data, $conf['datadir'], 'search_universal', $search_opts, $ns, $lvl = 1, $opt['sort']);
50785cf8195SAndreas Gohr
5084bf3df7cSGina Haeussge    return $data;
50985cf8195SAndreas Gohr}
51085cf8195SAndreas Gohr
5114bb1b5aeSAndreas Gohr/**
5124bb1b5aeSAndreas Gohr * Add the result of a full text search to the feed object
5134bb1b5aeSAndreas Gohr *
5144bb1b5aeSAndreas Gohr * @author Andreas Gohr <andi@splitbrain.org>
5154bb1b5aeSAndreas Gohr */
5164bf3df7cSGina Haeussgefunction rssSearch($opt) {
517*95dc9a1dSjpedryc    if(!$opt['search_query'] || !actionOK('search')) return [];
5184ab889eaSAndreas Gohr
5194bb1b5aeSAndreas Gohr    require_once(DOKU_INC . 'inc/fulltext.php');
5204bb1b5aeSAndreas Gohr    $data = ft_pageSearch($opt['search_query'], $poswords);
5214bb1b5aeSAndreas Gohr    $data = array_keys($data);
5224bf3df7cSGina Haeussge
5234bf3df7cSGina Haeussge    return $data;
5244bb1b5aeSAndreas Gohr}
525f3f0262cSandi
526e3776c06SMichael Hamann//Setup VIM: ex: et ts=4 :
527