From 4766f36a4d74924f21ff329c4318ce4e069ffa04 Mon Sep 17 00:00:00 2001
From: brettp <brettp@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Wed, 3 Mar 2010 17:53:05 +0000
Subject: Pulled in the interface changes.

git-svn-id: http://code.elgg.org/elgg/trunk@5257 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 .../vendors/twitter/twitter.class.php              | 142 +++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 mod/twitterservice/vendors/twitter/twitter.class.php

(limited to 'mod/twitterservice/vendors/twitter/twitter.class.php')

diff --git a/mod/twitterservice/vendors/twitter/twitter.class.php b/mod/twitterservice/vendors/twitter/twitter.class.php
new file mode 100644
index 000000000..457bede4c
--- /dev/null
+++ b/mod/twitterservice/vendors/twitter/twitter.class.php
@@ -0,0 +1,142 @@
+<?php
+
+/**
+ * Twitter for PHP - library for sending messages to Twitter and receiving status updates.
+ *
+ * @author     David Grudl (+ Bugfix by Curverider)
+ * @copyright  Copyright (c) 2008 David Grudl
+ * @license    New BSD License
+ * @link       http://phpfashion.com/
+ * @version    1.0_MP
+ */
+class Twitter
+{
+	/** @var int */
+	public static $cacheExpire = 1800; // 30 min
+
+	/** @var string */
+	public static $cacheDir;
+
+	/** @var  user name */
+	private $user;
+
+	/** @var  password */
+	private $pass;
+
+
+
+	/**
+	 * Creates object using your credentials.
+	 * @param  string  user name
+	 * @param  string  password
+	 * @throws Exception
+	 */
+	public function __construct($user, $pass)
+	{
+		if (!extension_loaded('curl')) {
+			throw new Exception('PHP extension CURL is not loaded.');
+		}
+
+		$this->user = $user;
+		$this->pass = $pass;
+	}
+
+
+
+	/**
+	 * Sends message to the Twitter.
+	 * @param string   message encoded in UTF-8
+	 * @return boolean TRUE on success or FALSE on failure
+	 */
+	public function send($message)
+	{
+		$result = $this->httpRequest(
+			'https://twitter.com/statuses/update.xml',
+			array('status' => $message)
+		);
+		return strpos($result, '<created_at>') !== FALSE;
+	}
+
+
+
+	/**
+	 * Returns the 20 most recent statuses posted from you and your friends (optionally).
+	 * @param  bool  with friends?
+	 * @return SimpleXMLElement
+	 * @throws Exception
+	 */
+	public function load($withFriends, $since = '')
+	{
+		$line = $withFriends ? 'friends_timeline' : 'user_timeline';
+		$url = "http://twitter.com/statuses/$line/$this->user.xml";
+		//if (!empty($since))
+		//	$url .= "?since=" . urlencode($since);
+		$feed = $this->httpRequest($url);
+		if ($feed === FALSE) {
+			throw new Exception('Cannot load channel.');
+		}
+
+		$xml = new SimpleXMLElement($feed);
+		if (!$xml || !$xml->status) {
+			throw new Exception('Invalid channel.');
+		}
+
+		return $xml;
+	}
+
+
+
+	/**
+	 * Process HTTP request.
+	 * @param string  URL
+	 * @param array   post data
+	 * @return string|FALSE
+	 */
+	private function httpRequest($url, $post = NULL)
+	{
+		/*
+		if (!$post && self::$cacheDir) {
+			$cacheFile = self::$cacheDir . '/twitter.' . md5($url) . '.xml';
+			if (@filemtime($cacheFile) + self::$cacheExpire > time()) {
+				return file_get_contents($cacheFile);
+			}
+		}
+		*/
+
+		$curl = curl_init();
+		curl_setopt($curl, CURLOPT_URL, $url);
+		// curl_setopt($curl, CURLOPT_USERPWD, "$this->user:$this->pass");
+		curl_setopt($curl, CURLOPT_HEADER, FALSE);
+		curl_setopt($curl, CURLOPT_TIMEOUT, 20);
+		curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);
+		curl_setopt($curl, CURLOPT_FRESH_CONNECT, 1);
+		curl_setopt($curl, CURLOPT_HTTPHEADER, array('Expect:'));
+		if ($post) {
+			curl_setopt($curl, CURLOPT_USERPWD, "$this->user:$this->pass");
+			curl_setopt($curl, CURLOPT_POST, TRUE);
+			curl_setopt($curl, CURLOPT_POSTFIELDS, $post);
+		}
+		curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE); // no echo, just return result
+		$result = curl_exec($curl);
+		$ok = curl_errno($curl) === 0 && curl_getinfo($curl, CURLINFO_HTTP_CODE) === 200;
+
+		if (!$ok) {
+			if (isset($cacheFile)) {
+				$result = @file_get_contents($cacheFile);
+				if (is_string($result)) {
+					return $result;
+				}
+			}
+			return FALSE;
+		}
+
+		/*
+		if (isset($cacheFile)) {
+			file_put_contents($cacheFile, $result);
+		}
+		*/
+
+		return $result;
+	}
+
+}
-- 
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