/** * @brief Fetch a feed from remote * @param url remote url of the feed * @returns an instance of OC_News_Feed */ public static function fetch($url) { $spfeed = new \SimplePie_Core(); $spfeed->set_feed_url($url); $spfeed->enable_cache(false); if (!$spfeed->init()) { return null; } //temporary try-catch to bypass SimplePie bugs try { $spfeed->handle_content_type(); $title = $spfeed->get_title(); $items = array(); if ($spitems = $spfeed->get_items()) { foreach ($spitems as $spitem) { $itemUrl = $spitem->get_permalink(); $itemTitle = $spitem->get_title(); $itemGUID = $spitem->get_id(); $itemBody = $spitem->get_content(); $item = new Item($itemUrl, $itemTitle, $itemGUID, $itemBody); $spAuthor = $spitem->get_author(); if ($spAuthor !== null) { $item->setAuthor($spAuthor->get_name()); } //date in Item is stored in UNIX timestamp format $itemDate = $spitem->get_date('U'); $item->setDate($itemDate); // associated media file, for podcasts $itemEnclosure = $spitem->get_enclosure(); if ($itemEnclosure !== null) { $enclosureType = $itemEnclosure->get_type(); $enclosureLink = $itemEnclosure->get_link(); if (stripos($enclosureType, "audio/") !== FALSE) { $enclosure = new Item_Enclosure(); $enclosure->setMimeType($enclosureType); $enclosure->setLink($enclosureLink); $item->setEnclosure($enclosure); } } $items[] = $item; } } $feed = new Feed($url, $title, $items); $favicon = $spfeed->get_image_url(); if ($favicon !== null && self::checkFavicon($favicon)) { // use favicon from feed $feed->setFavicon($favicon); } else { // try really hard to find a favicon $webFavicon = self::discoverFavicon($url); if ($webFavicon !== null) { $feed->setFavicon($webFavicon); } } return $feed; } catch (Exception $e) { return null; } }