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<?php
/**
* ownCloud - News app
*
* @author Alessandro Cosentino
* Copyright (c) 2012 - Alessandro Cosentino <cosenal@gmail.com>
*
* This file is licensed under the Affero General Public License version 3 or later.
* See the COPYING-README file
*
*/
// load SimplePie library
//TODO: is this file a suitable place for the following require?
require_once('news/3rdparty/SimplePie/autoloader.php');
class OC_News_Utils {
/**
* @brief Fetch a feed from remote
* @param url remote url of the feed
* @returns
*/
public static function fetch($url){
//TODO: handle the case where fetching of the feed fails
$spfeed = new SimplePie_Core();
$spfeed->set_feed_url( $url );
$spfeed->enable_cache( false );
$spfeed->init();
$spfeed->handle_content_type();
$title = $spfeed->get_title();
$spitems = $spfeed->get_items();
$items = array();
foreach($spitems as $spitem) { //FIXME: maybe we can avoid this loop
$itemUrl = $spitem->get_permalink();
$itemTitle = $spitem->get_title();
$itemGUID = $spitem->get_id();
$itemBody = $spitem->get_content();
$items[] = new OC_News_Item($itemUrl, $itemTitle, $itemGUID, $itemBody);
}
$feed = new OC_News_Feed($url, $title, $items);
$favicon = $spfeed->get_image_url();
//check if this file exists and the size with getimagesize()
if ($favicon == null) {
//handle favicon detection
$favicon = SimplePie_Misc::absolutize_url('/favicon.ico', $url);
// get file
$file = new SimplePie_File($favicon);
$sniffer = new SimplePie_Content_Type_Sniffer($file);
// check file
if(substr($sniffer->get_type(), 0, 6) !== 'image/')
$favicon = null;
}
$feed->setFavicon($favicon);
return $feed;
}
}
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