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libraries/joomla/github/meta.php

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+<?php
+/**
+ * @package     Joomla.Platform
+ * @subpackage  GitHub
+ *
+ * @copyright   Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE
+ */
+
+defined('JPATH_PLATFORM') or die;
+
+/**
+ * GitHub API Meta class.
+ *
+ * @package     Joomla.Platform
+ * @subpackage  GitHub
+ * @since       13.1
+ */
+class JGithubMeta extends JGithubObject
+{
+	/**
+	 * Method to get the authorized IP addresses for services
+	 *
+	 * @return  array  Authorized IP addresses
+	 *
+	 * @since   13.1
+	 * @throws  DomainException
+	 */
+	public function getMeta()
+	{
+		// Build the request path.
+		$path = '/meta';
+
+		$githubIps = $this->processResponse($this->client->get($this->fetchUrl($path)), 200);
+
+		/*
+		 * The response body returns the IP addresses in CIDR format
+		 * Decode the response body and strip the subnet mask information prior to
+		 * returning the data to the user.  We're assuming quite a bit here that all
+		 * masks will be /32 as they are as of the time of development.
+		 */
+
+		$authorizedIps = array();
+
+		foreach ($githubIps as $key => $serviceIps)
+		{
+			// The first level contains an array of IPs based on the service
+			$authorizedIps[$key] = array();
+
+			foreach ($serviceIps as $serviceIp)
+			{
+				// The second level is each individual IP address, strip the mask here
+				$authorizedIps[$key][] = substr($serviceIp, 0, -3);
+			}
+		}
+
+		return $authorizedIps;
+	}
+}