Current File : /home/lightco1/www/administrator/components/com_jmap/framework/Google/Auth/AppIdentity.php
<?php
// namespace administrator\components\com_jmap\framework\google;
/**
*
* @package JMAP::FRAMEWORK::administrator::components::com_jmap
* @subpackage framework
* @subpackage google
* @author Joomla! Extensions Store
* @copyright (C) 2015 - Joomla! Extensions Store
* @license GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html
*/
defined ( '_JEXEC' ) or die ();
use google\appengine\api\app_identity\AppIdentityService;
/**
* Authentication via the Google App Engine App Identity service.
*/
class Google_Auth_AppIdentity extends Google_Auth_Abstract
{
const CACHE_PREFIX = "Google_Auth_AppIdentity::";
const CACHE_LIFETIME = 1500;
private $key = null;
private $client;
private $token = false;
private $tokenScopes = false;
public function __construct(Google_Client $client, $config = null)
{
$this->client = $client;
}
/**
* Retrieve an access token for the scopes supplied.
*/
public function authenticateForScope($scopes)
{
if ($this->token && $this->tokenScopes == $scopes) {
return $this->token;
}
$memcache = new Memcached();
$this->token = $memcache->get(self::CACHE_PREFIX . $scopes);
if (!$this->token) {
$this->token = AppIdentityService::getAccessToken($scopes);
if ($this->token) {
$memcache->set(self::CACHE_PREFIX . $scopes, $this->token, self::CACHE_LIFETIME);
}
}
$this->tokenScopes = $scopes;
return $this->token;
}
/**
* Perform an authenticated / signed apiHttpRequest.
* This function takes the apiHttpRequest, calls apiAuth->sign on it
* (which can modify the request in what ever way fits the auth mechanism)
* and then calls apiCurlIO::makeRequest on the signed request
*
* @param Google_Http_Request $request
* @return Google_Http_Request The resulting HTTP response including the
* responseHttpCode, responseHeaders and responseBody.
*/
public function authenticatedRequest(Google_Http_Request $request)
{
$request = $this->sign($request);
return $this->io->makeRequest($request);
}
public function sign(Google_Http_Request $request)
{
if (!$this->token) {
// No token, so nothing to do.
return $request;
}
// Add the OAuth2 header to the request
$request->setRequestHeaders(
array('Authorization' => 'Bearer ' . $this->token['access_token'])
);
return $request;
}
}
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