<?php /** * Mrss * Documentation Source http://www.rssboard.org/media-rss */ class MrssFormat extends FormatAbstract { public function stringify(){ $https = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on' ? 's' : ''; $httpHost = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ''; $httpInfo = isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : ''; $serverRequestUri = $this->xml_encode($_SERVER['REQUEST_URI']); $extraInfos = $this->getExtraInfos(); $title = $this->xml_encode($extraInfos['name']); if(!empty($extraInfos['uri'])) { $uri = $this->xml_encode($extraInfos['uri']); } else { $uri = 'https://github.com/sebsauvage/rss-bridge'; } $icon = $this->xml_encode('http://icons.better-idea.org/icon?url='. $uri .'&size=64'); $items = ''; foreach($this->getItems() as $item) { $itemAuthor = isset($item['author']) ? $this->xml_encode($item['author']) : ''; $itemTitle = strip_tags(isset($item['title']) ? $this->xml_encode($item['title']) : ''); $itemUri = isset($item['uri']) ? $this->xml_encode($item['uri']) : ''; $itemTimestamp = isset($item['timestamp']) ? $this->xml_encode(date(DATE_RFC2822, $item['timestamp'])) : ''; $itemContent = isset($item['content']) ? $this->xml_encode($this->sanitizeHtml($item['content'])) : ''; $entryEnclosuresWarning = ''; $entryEnclosures = ''; if(isset($item['enclosures'])) { $entryEnclosures .= '<enclosure url="' . $this->xml_encode($item['enclosures'][0]) . '"/>'; if(count($item['enclosures']) > 1) { $entryEnclosures .= PHP_EOL; $entryEnclosuresWarning = '<br>Warning: Some media files might not be shown to you. Consider using the ATOM format instead!'; foreach($item['enclosures'] as $enclosure) { $entryEnclosures .= '<atom:link rel="enclosure" href="' . $enclosure . '" />' . PHP_EOL; } } } $items .= <<<EOD <item> <title>{$itemTitle}</title> <link>{$itemUri}</link> <guid isPermaLink="true">{$itemUri}</guid> <pubDate>{$itemTimestamp}</pubDate> <description>{$itemContent}{$entryEnclosuresWarning}</description> <author>{$itemAuthor}</author> {$entryEnclosures} </item> EOD; } $charset = $this->getCharset(); /* Data are prepared, now let's begin the "MAGIE !!!" */ $toReturn = <<<EOD <?xml version="1.0" encoding="{$charset}"?> <rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:media="http://search.yahoo.com/mrss/" xmlns:atom="http://www.w3.org/2005/Atom"> <channel> <title>{$title}</title> <link>http{$https}://{$httpHost}{$httpInfo}/</link> <description>{$title}</description> <image url="{$icon}" title="{$title}" link="{$uri}"/> <atom:link rel="alternate" type="text/html" href="{$uri}" /> <atom:link rel="self" href="http{$https}://{$httpHost}{$serverRequestUri}" /> {$items} </channel> </rss> EOD; // Remove invalid non-UTF8 characters ini_set('mbstring.substitute_character', 'none'); $toReturn = mb_convert_encoding($toReturn, $this->getCharset(), 'UTF-8'); return $toReturn; } public function display(){ $this ->setContentType('application/rss+xml; charset=' . $this->getCharset()) ->callContentType(); return parent::display(); } private function xml_encode($text){ return htmlspecialchars($text, ENT_XML1); } }