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;
        }
}