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<?php |
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class Af_Unburn extends Plugin { |
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private $host; |
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public function about() { |
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return array(1.0, |
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"Resolves feedburner and similar feed redirector URLs (requires CURL)", |
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"fox"); |
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} |
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public function flags() { |
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return array("needs_curl" => true); |
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} |
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public function init($host) { |
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$this->host = $host; |
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$host->add_hook($host::HOOK_ARTICLE_FILTER, $this); |
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} |
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public function hook_article_filter($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 $article; |
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} |
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if ((strpos($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[$param])) { |
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unset($args[$param]); |
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} |
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} |
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$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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public function api_version() { |
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return 2; |
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} |
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} |
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