rss-bridge/formats/MrssFormat.php
2016-08-29 20:06:36 +02:00

74 lines
2.8 KiB
PHP

<?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']);
$uri = $this->xml_encode(!empty($extraInfos['uri']) ? $extraInfos['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'])) : '';
$items .= <<<EOD
<item>
<title>{$itemTitle}</title>
<link>{$itemUri}</link>
<guid isPermaLink="true">{$itemUri}</guid>
<pubDate>{$itemTimestamp}</pubDate>
<description>{$itemContent}</description>
<author>{$itemAuthor}</author>
</item>
EOD;
}
/* 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>
<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, 'UTF-8', 'UTF-8');
return $toReturn;
}
public function display(){
$this
->setContentType('application/rss+xml; charset=UTF-8')
->callContentType();
return parent::display();
}
private function xml_encode($text) {
return htmlspecialchars($text, ENT_XML1);
}
}