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| 1 | <?php |
| 2 | /** |
| 3 | * Copyright © 2004 Brooke Vibber <bvibber@wikimedia.org> |
| 4 | * https://www.mediawiki.org/ |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License along |
| 17 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 19 | * http://www.gnu.org/copyleft/gpl.html |
| 20 | * |
| 21 | * @file |
| 22 | */ |
| 23 | |
| 24 | namespace MediaWiki\Feed; |
| 25 | |
| 26 | /** |
| 27 | * Generate an RSS feed. |
| 28 | * |
| 29 | * @ingroup Feed |
| 30 | */ |
| 31 | class RSSFeed extends ChannelFeed { |
| 32 | |
| 33 | /** |
| 34 | * Format a date given a timestamp. If a timestamp is not given, nothing is returned |
| 35 | * |
| 36 | * @param string|int|null $ts Timestamp |
| 37 | * @return string|null Date string |
| 38 | */ |
| 39 | private function formatTime( $ts ) { |
| 40 | if ( $ts ) { |
| 41 | return gmdate( 'D, d M Y H:i:s \G\M\T', (int)wfTimestamp( TS_UNIX, $ts ) ); |
| 42 | } |
| 43 | return null; |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * Output an RSS 2.0 header |
| 48 | */ |
| 49 | public function outHeader() { |
| 50 | $this->outXmlHeader(); |
| 51 | // Manually escaping rather than letting Mustache do it because Mustache |
| 52 | // uses htmlentities, which does not work with XML |
| 53 | $templateParams = [ |
| 54 | 'title' => $this->getTitle(), |
| 55 | 'url' => $this->xmlEncode( |
| 56 | $this->urlUtils->expand( $this->getUrlUnescaped(), PROTO_CURRENT ) ?? '' |
| 57 | ), |
| 58 | 'description' => $this->getDescription(), |
| 59 | 'language' => $this->xmlEncode( $this->getLanguage() ), |
| 60 | 'version' => $this->xmlEncode( MW_VERSION ), |
| 61 | 'timestamp' => $this->xmlEncode( $this->formatTime( wfTimestampNow() ) ) |
| 62 | ]; |
| 63 | print $this->templateParser->processTemplate( 'RSSHeader', $templateParams ); |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Output an RSS 2.0 item |
| 68 | * @param FeedItem $item Item to be output |
| 69 | */ |
| 70 | public function outItem( $item ) { |
| 71 | // Manually escaping rather than letting Mustache do it because Mustache |
| 72 | // uses htmlentities, which does not work with XML |
| 73 | $templateParams = [ |
| 74 | "title" => $item->getTitle(), |
| 75 | "url" => $this->xmlEncode( |
| 76 | $this->urlUtils->expand( $item->getUrlUnescaped(), PROTO_CURRENT ) ?? '' |
| 77 | ), |
| 78 | "permalink" => $item->rssIsPermalink, |
| 79 | "uniqueID" => $item->getUniqueID(), |
| 80 | "description" => $item->getDescription(), |
| 81 | "date" => $this->xmlEncodeNullable( $this->formatTime( $item->getDate() ) ), |
| 82 | "author" => $item->getAuthor() |
| 83 | ]; |
| 84 | $comments = $item->getCommentsUnescaped(); |
| 85 | if ( $comments ) { |
| 86 | $commentsEscaped = $this->xmlEncode( |
| 87 | $this->urlUtils->expand( $comments, PROTO_CURRENT ) ?? '' |
| 88 | ); |
| 89 | $templateParams["comments"] = $commentsEscaped; |
| 90 | } |
| 91 | print $this->templateParser->processTemplate( 'RSSItem', $templateParams ); |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Output an RSS 2.0 footer |
| 96 | */ |
| 97 | public function outFooter() { |
| 98 | print "</channel></rss>"; |
| 99 | } |
| 100 | } |