84 lines
2.0 KiB
PHP
84 lines
2.0 KiB
PHP
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<?php
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class Af_Unburn extends Plugin {
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private $host;
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function about() {
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return array(1.0,
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"Resolves feedburner and similar feed redirector URLs (requires CURL)",
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"fox");
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}
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function flags() {
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return array("needs_curl" => true);
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}
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function init($host) {
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$this->host = $host;
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$host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
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}
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function hook_article_filter($article) {
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$owner_uid = $article["owner_uid"];
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if (defined('NO_CURL') || !function_exists("curl_init") || ini_get("open_basedir"))
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return $article;
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if ((strpos($article["link"], "feedproxy.google.com") !== FALSE ||
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strpos($article["link"], "/~r/") !== FALSE ||
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strpos($article["link"], "feedsportal.com") !== FALSE)) {
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$ch = curl_init($article["link"]);
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curl_setopt($ch, CURLOPT_TIMEOUT, 5);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_HEADER, true);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, CURLOPT_NOBODY, true);
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curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
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if (defined('_CURL_HTTP_PROXY')) {
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curl_setopt($ch, CURLOPT_PROXY, _CURL_HTTP_PROXY);
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}
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@curl_exec($ch);
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$real_url = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL);
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curl_close($ch);
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if ($real_url) {
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/* remove the rest of it */
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$query = parse_url($real_url, PHP_URL_QUERY);
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if ($query && strpos($query, "utm_source") !== FALSE) {
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$args = array();
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parse_str($query, $args);
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foreach (array("utm_source", "utm_medium", "utm_campaign") as $param) {
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if (isset($args[$param])) unset($args[$param]);
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}
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$new_query = http_build_query($args);
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if ($new_query != $query) {
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$real_url = str_replace("?$query", "?$new_query", $real_url);
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}
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}
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$real_url = preg_replace("/\?$/", "", $real_url);
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$article["plugin_data"] = "unburn,$owner_uid:" . $article["plugin_data"];
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$article["link"] = $real_url;
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}
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}
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return $article;
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}
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function api_version() {
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return 2;
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}
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}
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