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- <?php
- class Af_Unburn extends Plugin {
- private $host;
- function about() {
- return array(1.0,
- "Resolves feedburner and similar feed redirector URLs (requires CURL)",
- "fox");
- }
- function init($host) {
- $this->host = $host;
- $host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
- }
- function hook_article_filter($article) {
- $owner_uid = $article["owner_uid"];
- if (!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)) {
- if (strpos($article["plugin_data"], "unburn,$owner_uid:") === FALSE) {
- if (ini_get("safe_mode") || ini_get("open_basedir")) {
- $ch = curl_init(geturl($article["link"]));
- } else {
- $ch = curl_init($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, !ini_get("safe_mode") && !ini_get("open_basedir"));
- curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
- $contents = @curl_exec($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);
- }
- }
- $real_url = preg_replace("/\?$/", "", $real_url);
- $article["plugin_data"] = "unburn,$owner_uid:" . $article["plugin_data"];
- $article["link"] = $real_url;
- }
- } else if (isset($article["stored"]["link"])) {
- $article["link"] = $article["stored"]["link"];
- }
- }
- return $article;
- }
- function geturl($url){
- (function_exists('curl_init')) ? '' : die('cURL Must be installed for geturl function to work. Ask your host to enable it or uncomment extension=php_curl.dll in php.ini');
- $curl = curl_init();
- $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
- $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
- $header[] = "Cache-Control: max-age=0";
- $header[] = "Connection: keep-alive";
- $header[] = "Keep-Alive: 300";
- $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
- $header[] = "Accept-Language: en-us,en;q=0.5";
- $header[] = "Pragma: ";
- curl_setopt($curl, CURLOPT_URL, $url);
- curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Firefox/5.0');
- curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
- curl_setopt($curl, CURLOPT_HEADER, true);
- curl_setopt($curl, CURLOPT_REFERER, $url);
- curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
- curl_setopt($curl, CURLOPT_AUTOREFERER, true);
- curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
- //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); //CURLOPT_FOLLOWLOCATION Disabled...
- curl_setopt($curl, CURLOPT_TIMEOUT, 60);
- $html = curl_exec($curl);
- $status = curl_getinfo($curl);
- curl_close($curl);
- if($status['http_code']!=200){
- if($status['http_code'] == 301 || $status['http_code'] == 302) {
- list($header) = explode("\r\n\r\n", $html, 2);
- $matches = array();
- preg_match("/(Location:|URI:)[^(\n)]*/", $header, $matches);
- $url = trim(str_replace($matches[1],"",$matches[0]));
- $url_parsed = parse_url($url);
- return (isset($url_parsed))? geturl($url):'';
- }
- $oline='';
- foreach($status as $key=>$eline){$oline.='['.$key.']'.$eline.' ';}
- $line =$oline." \r\n ".$url."\r\n-----------------\r\n";
- $handle = @fopen('./curl.error.log', 'a');
- fwrite($handle, $line);
- return FALSE;
- }
- return $url;
- }
- function api_version() {
- return 2;
- }
- }
- ?>
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