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- <?php
- /**
- * Mrss
- * Documentation Source http://www.rssboard.org/media-rss
- *
- * @name Media RSS
- */
- class MrssFormat extends FormatAbstract{
- public function stringify(){
- /* Datas preparation */
- $https = ( isset($_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']);
- $uri = $this->xml_encode(!empty($extraInfos['uri']) ? $extraInfos['uri'] : 'https://github.com/sebsauvage/rss-bridge');
- $items = '';
- foreach($this->getDatas() as $data){
- $itemAuthor = is_null($data->author) ? '' : $this->xml_encode($data->author);
- $itemTitle = strip_tags(is_null($data->title) ? '' : $this->xml_encode($data->title));
- $itemUri = is_null($data->uri) ? '' : $this->xml_encode($data->uri);
- $itemTimestamp = is_null($data->timestamp) ? '' : $this->xml_encode(date(DATE_RFC2822, $data->timestamp));
- $itemContent = is_null($data->content) ? '' : $this->xml_encode($this->sanitizeHtml($data->content));
- $items .= <<<EOD
- <item>
- <title>{$itemTitle}</title>
- <link>{$itemUri}</link>
- <guid isPermaLink="true">{$itemUri}</guid>
- <pubDate>{$itemTimestamp}</pubDate>
- <description>{$itemContent}</description>
- <author>{$itemAuthor}</author>
- </item>
- EOD;
- }
- /*
- TODO :
- - Security: Disable Javascript ?
- - <updated> : Define new extra info ?
- - <content type="html"> : RFC look with xhtml, keep this in spite of ?
- */
- /* Data are prepared, now let's begin the "MAGIE !!!" */
- $toReturn = '<?xml version="1.0" encoding="UTF-8"?>';
- $toReturn .= <<<EOD
- <rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:media="http://search.yahoo.com/mrss/" xmlns:atom="http://www.w3.org/2005/Atom">
- <channel>
- <title>{$title}</title>
- <link>http{$https}://{$httpHost}{$httpInfo}/</link>
- <description>{$title}</description>
- <atom:link rel="alternate" type="text/html" href="{$uri}" />
- <atom:link rel="self" href="http{$https}://{$httpHost}{$serverRequestUri}" />
- {$items}
- </channel>
- </rss>
- EOD;
- // Remove invalid non-UTF8 characters
- // We cannot use iconv because of a bug in some versions of iconv.
- // See http://www.php.net/manual/fr/function.iconv.php#108643
- //$toReturn = iconv("UTF-8", "UTF-8//IGNORE", $toReturn);
- // So we use mb_convert_encoding instead:
- ini_set('mbstring.substitute_character', 'none');
- $toReturn= mb_convert_encoding($toReturn, 'UTF-8', 'UTF-8');
- return $toReturn;
- }
- public function display(){
- $this
- ->setContentType('application/rss+xml; charset=UTF-8') // We force UTF-8 in RSS output.
- ->callContentType();
- return parent::display();
- }
- private function xml_encode($text) {
- return htmlspecialchars($text, ENT_XML1);
- }
- }
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