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<?php
class Af_Unburn extends Plugin {
private $link;
private $host;
function about() {
return array(1.0,
"Resolve feedburner URLs (requires CURL)",
"fox");
}
function init($host) {
$this->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($article["link"], "feedsportal.com") !== FALSE) &&
strpos($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;
}
}
?>
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