From 014d6b1d19b6ae5de8d87f055397993f80579f74 Mon Sep 17 00:00:00 2001
From: Craig Andrews <candrews@integralblue.com>
Date: Wed, 11 Nov 2009 14:02:57 -0500
Subject: Redid how URL shorteners work. This way is much more like how Evan
 wants events to work (and more like how the rest of SN works).

---
 plugins/UrlShortener/UrlShortenerPlugin.php | 103 ++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 plugins/UrlShortener/UrlShortenerPlugin.php

(limited to 'plugins/UrlShortener')

diff --git a/plugins/UrlShortener/UrlShortenerPlugin.php b/plugins/UrlShortener/UrlShortenerPlugin.php
new file mode 100644
index 000000000..37206aa89
--- /dev/null
+++ b/plugins/UrlShortener/UrlShortenerPlugin.php
@@ -0,0 +1,103 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Superclass for plugins that do URL shortening
+ *
+ * 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>
+ * @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') && !defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * Superclass for plugins that do URL shortening
+ *
+ * @category Plugin
+ * @package  StatusNet
+ * @author   Craig Andrews <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/
+ */
+
+abstract class UrlShortenerPlugin extends Plugin
+{
+    public $shortenerName;
+    public $freeService=false;
+    //------------Url Shortener plugin should implement some (or all) of these methods------------\\
+
+    /**
+    * Short a URL
+    * @param url
+    * @return string shortened version of the url, or null if URL shortening failed
+    */
+    protected abstract function shorten($url);
+
+    //------------These methods may help you implement your plugin------------\\
+    protected function http_get($url)
+    {
+        $request = HTTPClient::start();
+        $response = $request->get($url);
+        return $response->getBody();
+    }
+
+    protected function http_post($url,$data)
+    {
+        $request = HTTPClient::start();
+        $response = $request->post($url, null, $data);
+        return $response->getBody();
+    }
+
+    protected function tidy($response) {
+        $response = str_replace('&nbsp;', ' ', $response);
+        $config = array('output-xhtml' => true);
+        $tidy = new tidy;
+        $tidy->parseString($response, $config, 'utf8');
+        $tidy->cleanRepair();
+        return (string)$tidy;
+    }
+    //------------Below are the methods that connect StatusNet to the implementing Url Shortener plugin------------\\
+
+    function onInitializePlugin(){
+        if(!isset($this->shortenerName)){
+            throw new Exception("must specify a shortenerName");
+        }
+    }
+
+    function onGetUrlShorteners(&$shorteners)
+    {
+        $shorteners[$this->shortenerName]=array('freeService'=>$this->freeService);
+    }
+
+    function onStartShortenUrl($url,$shortenerName,&$shortenedUrl)
+    {
+        if($shortenerName == $this->shortenerName && strlen($url) >= common_config('site', 'shorturllength')){
+            $result = $this->shorten($url);
+            if(isset($result) && $result != null && $result !== false){
+                $shortenedUrl=$result;
+                common_log(LOG_INFO, __CLASS__ . ": $this->shortenerName shortened $url to $shortenedUrl");
+                return false;
+            }
+        }
+    }
+}
-- 
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