link = $host->get_link(); $this->host = $host; $host->add_hook($host::HOOK_ARTICLE_FILTER, $this); } function hook_article_filter($article) { $owner_uid = $article["owner_uid"]; if (!function_exists("curl_init")) return $article; if ((strpos($article["link"], "feedproxy.google.com") !== FALSE || strpos($article["link"], "/~r/") !== FALSE || strpos($article["link"], "feedsportal.com") !== FALSE) && strpos($article["guid"], "unburn,$owner_uid:") === FALSE) { $ch = curl_init($article["link"]); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_HEADER, true); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); $contents = @curl_exec($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); } } $article["guid"] = "unburn,$owner_uid:" . $article["guid"]; $article["link"] = $real_url; } } return $article; } } ?>