Added a Bitly URL Shortener. Unfortunately, it doesn't work, as bit.ly requires credentials to shorten URLs now, and we presently have no way to provide them.

plugins/BitlyUrl/BitlyUrlPlugin.php

@@ -0,0 +1,61 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Plugin to push RSS/Atom updates to a PubSubHubBub hub
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Plugin
+ * @package   StatusNet
+ * @author    Craig Andrews <candrews@integralblue.com>
+ * @copyright 2009 Craig Andrews http://candrews.integralblue.com
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+class BitlyUrlPlugin extends Plugin
+{
+    function __construct()
+    {
+        parent::__construct();
+    }
+
+    function onInitializePlugin(){
+        $this->registerUrlShortener(
+            'bit.ly',
+            array(),
+            array('BitlyUrl',array('http://bit.ly/api?method=shorten&long_url='))
+        );
+    }
+}
+
+class BitlyUrl extends ShortUrlApi
+{
+    protected function shorten_imp($url) {
+        $response = $this->http_get($url);
+        if(!$response){
+            return $url;
+        }else{
+            return current(json_decode($response)->results)->hashUrl;
+        }
+    }
+}
+