true); } function init($host) { $this->host = $host; $host->add_hook($host::HOOK_ARTICLE_FILTER, $this); } function hook_article_filter($article) { $owner_uid = $article["owner_uid"]; if (defined('NO_CURL') || !function_exists("curl_init") || ini_get("open_basedir")) return $article; if ((strpos($article["link"], "feedproxy.google.com") !== false || strpos($article["link"], "/~r/") !== false || strpos($article["link"], "feedsportal.com") !== false)) { $ch = curl_init($article["link"]); curl_setopt($ch, CURLOPT_TIMEOUT, 5); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_HEADER, true); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); curl_setopt($ch, CURLOPT_NOBODY, true); curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT); if (defined('_CURL_HTTP_PROXY')) { curl_setopt($ch, CURLOPT_PROXY, _CURL_HTTP_PROXY); } @curl_exec($ch); $real_url = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL); curl_close($ch); if ($real_url) { /* remove the rest of it */ $query = parse_url($real_url, PHP_URL_QUERY); if ($query && strpos($query, "utm_source") !== false) { $args = array(); parse_str($query, $args); foreach (array("utm_source", "utm_medium", "utm_campaign") as $param) { if (isset($args[$param])) unset($args[$param]); } $new_query = http_build_query($args); if ($new_query != $query) { $real_url = str_replace("?$query", "?$new_query", $real_url); } } $real_url = preg_replace("/\?$/", "", $real_url); $article["link"] = $real_url; } } return $article; } function api_version() { return 2; } }