<?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); } }