From 9b72506855af2d08a8553f960065d2eeb6b33a32 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Sat, 12 Jan 2013 22:47:10 +0400
Subject: [PATCH] add af_unburn

---
 plugins/af_unburn/init.php | 48 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 plugins/af_unburn/init.php

diff --git a/plugins/af_unburn/init.php b/plugins/af_unburn/init.php
new file mode 100644
index 000000000..593f1abd9
--- /dev/null
+++ b/plugins/af_unburn/init.php
@@ -0,0 +1,48 @@
+<?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($article["guid"], "unburn,$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);
+
+			if ($real_url) {
+				$article["guid"] = "unburn,$owner_uid:" . $article["guid"];
+				$article["link"] = $real_url;
+			}
+		}
+
+		return $article;
+	}
+}
+?>