AlkantarClanX12
Your IP : 18.117.105.230
<?php
if(!defined('LINK_PREVIEW')) return;
$linkPreview = new linkPreview();
class linkPreview {
/**
* Fetch data from LinkPreview API or locally
*/
public function get_url_data($url) {
$linkpreview_settings = linkpreview_get_settings();
$linkpreview_settings['linkpreview_max_url_size'] = ($linkpreview_settings['linkpreview_max_url_size'] == 0 || !$linkpreview_settings['linkpreview_max_url_size']) ? 128 : $linkpreview_settings['linkpreview_max_url_size'];
if (strlen($url) > (int) $linkpreview_settings['linkpreview_max_url_size']) return false;
if ((int)$linkpreview_settings['linkpreview_cache_time'] > 0) $json = get_transient('lp_'.md5($url));
if (!$json) {
if ($linkpreview_settings['linkpreview_local_curl'] == "on") $prepare = $this->get_local_data($url);
else $prepare = $this->get_api_data($url);
if (!$prepare) return false;
$source_url = parse_url($url);
$prepare->host_url = $source_url['host'];
if ($linkpreview_settings['linkpreview_favicon'] == 'on') {
$favicon_url = $source_url['scheme'].'://'.$source_url['host'].'/favicon.ico';
$prepare->favicon = $favicon_url;
}
$json = json_encode($prepare);
if ($linkpreview_settings['linkpreview_cache_time'] > 0 && !isset($prepare->error)) set_transient('lp_'.md5($url),$json,(int)$linkpreview_settings['linkpreview_cache_time']*60);
}
$object = json_decode($json);
return $object;
}
/**
* Get remote data from API
*/
public function get_api_data($url) {
$linkpreview_settings = linkpreview_get_settings();
$query_url = 'http://api.linkpreview.net/?'.http_build_query(array('q'=>$url,'key'=>$linkpreview_settings['linkpreview_api_key'],'origin'=>'wplp'));
if (function_exists('curl_version')) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_URL, $query_url);
$json = curl_exec($ch);
curl_close($ch);
}
else {
$json = file_get_contents($query_url);
}
$data = json_decode($json);
if ($data->title == '' && $data->description == '') return false;
return $data;
}
/**
* Get remote data locally
*/
public function get_local_data($url) {
$html = $this->fetch_local_url($url);
$doc = new DOMDocument();
@$doc->loadHTML($html);
$nodes = $doc->getElementsByTagName('title');
$data = new stdClass();
$data->title = $nodes->item(0)->nodeValue;
$metas = $doc->getElementsByTagName('meta');
for ($i = 0; $i < $metas->length; $i++)
{
$meta = $metas->item($i);
if ($meta->getAttribute('name') == 'description') $data->description = $meta->getAttribute('content');
if ($meta->getAttribute('property') == 'og:image') $data->image = $meta->getAttribute('content');
}
return $data;
}
/**
* Retrieve data through curl or file_get_contents
*/
function fetch_local_url($url) {
if (function_exists('curl_version')) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_URL, $url);
$data = curl_exec($ch);
curl_close($ch);
}
if (!isset($data) || $data == '') {
$data = file_get_contents($url);
}
return $data;
}
/**
* Static view
*/
public function showtime($url) {
ob_start();
$object = $this->get_url_data($url);
if ($object) {
if (!is_rtl()) include(LINKPREVIEW_STATIC_VIEW);
else include(LINKPREVIEW_STATIC_VIEW_RTL);
}
$html = ob_get_contents();
ob_end_clean();
return $html;
}
/**
* Filter out specific links
*/
public function is_file($url) {
$linkpreview_settings = linkpreview_get_settings();
$file_formats = explode(',', $linkpreview_settings['linkpreview_filter_out']);
$path_info = pathinfo($url);
if (isset($path_info['extension']) && in_array(strtolower($path_info['extension']), $file_formats)) {
return true;
}
return false;
}
/**
* Filter out classes
*/
public function is_class($class) {
$linkpreview_settings = linkpreview_get_settings();
$classes = explode(" ", $class);
$exclude_classes = explode(',', $linkpreview_settings['linkpreview_exclude_class']);
foreach ($exclude_classes as $exclude_class) {
if (in_array($exclude_class, $classes)) {
return true;
}
}
return false;
}
}