/** * Add recent changed pages to a feed object * * @author Andreas Gohr <*****@*****.**> * @param FeedCreator $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; /* @var auth_basic $auth */ 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); } else { $meta = array(); } // add date if ($ditem['date']) { $date = $ditem['date']; } elseif ($ditem['media']) { $date = @filemtime(mediaFN($id)); } elseif (@file_exists(wikiFN($id))) { $date = @filemtime(wikiFN($id)); } elseif ($meta['date']['modified']) { $date = $meta['date']['modified']; } else { $date = 0; } if ($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=' . $date, true, '&'); } break; case 'rev': if ($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 = '<table>'; $content .= '<tr><th width="50%">' . $rev . '</th>'; $content .= '<th width="50%">' . $lang['current'] . '</th></tr>'; $content .= '<tr align="center"><td><img src="' . $src_l . '" alt="" /></td><td>'; $content .= '<img src="' . $src_r . '" alt="' . $id . '" /></td></tr>'; $content .= '</table>'; } } else { require_once DOKU_INC . 'inc/DifferenceEngine.php'; $revs = getRevisions($id, 0, 1); $rev = $revs[0]; if ($rev) { $df = new Diff(explode("\n", rawWiki($id, $rev)), explode("\n", rawWiki($id, ''))); } else { $df = new Diff(array(''), explode("\n", rawWiki($id, ''))); } if ($opt['item_content'] == 'htmldiff') { // note: no need to escape diff output, TableDiffFormatter provides 'safe' html $tdf = new TableDiffFormatter(); $content = '<table>'; $content .= '<tr><th colspan="2" width="50%">' . $rev . '</th>'; $content .= '<th colspan="2" width="50%">' . $lang['current'] . '</th></tr>'; $content .= $tdf->format($df); $content .= '</table>'; } else { // note: diff output must be escaped, UnifiedDiffFormatter provides plain text $udf = new UnifiedDiffFormatter(); $content = "<pre>\n" . hsc($udf->format($df)) . "\n</pre>"; } } break; case 'html': if ($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 = '<img src="' . $src . '" alt="' . $id . '" />'; } else { $content = ''; } } else { if (@filemtime(wikiFN($id)) === $date) { $content = p_wiki_xhtml($id, '', false); } else { $content = p_wiki_xhtml($id, $date, false); } // no TOC in feeds $content = preg_replace('/(<!-- TOC START -->).*(<!-- TOC END -->)/s', '', $content); // add alignment for images $content = preg_replace('/(<img .*?class="medialeft")/s', '\\1 align="left"', $content); $content = preg_replace('/(<img .*?class="mediaright")/s', '\\1 align="right"', $content); // make URLs work when canonical is not set, regexp instead of rerendering! if (!$conf['canonical']) { $base = preg_quote(DOKU_REL, '/'); $content = preg_replace('/(<a href|<img src)="(' . $base . ')/s', '$1="' . DOKU_URL, $content); } } break; case 'abstract': default: if ($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 = '<img src="' . $src . '" alt="' . $id . '" />'; } 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(); }