HummingBirdAnimeClient/src/API/Kitsu/Auth.php

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<?php declare(strict_types=1);
/**
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* Hummingbird Anime List Client
*
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* An API client for Kitsu to manage anime and manga watch lists
*
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* PHP version 7.2
*
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* @package HummingbirdAnimeClient
* @author Timothy J. Warren <tim@timshomepage.net>
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* @copyright 2015 - 2019 Timothy J. Warren
* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @version 4.2
* @link https://git.timshomepage.net/timw4mail/HummingBirdAnimeClient
*/
namespace Aviat\AnimeClient\API\Kitsu;
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use Aura\Session\Segment;
use const Aviat\AnimeClient\SESSION_SEGMENT;
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use Aviat\AnimeClient\API\{
CacheTrait,
Kitsu as K
};
use Aviat\Ion\Di\{ContainerAware, ContainerInterface};
/**
* Kitsu API Authentication
*/
final class Auth {
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use CacheTrait;
use ContainerAware;
/**
* Anime API Model
*
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* @var Model
*/
private $model;
/**
* Session object
*
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* @var Segment
*/
private $segment;
/**
* Constructor
*
* @param ContainerInterface $container
*/
public function __construct(ContainerInterface $container)
{
$this->setContainer($container);
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$this->setCache($container->get('cache'));
$this->segment = $container->get('session')
->getSegment(SESSION_SEGMENT);
$this->model = $container->get('kitsu-model');
}
/**
* Make the appropriate authentication call,
* and save the resulting auth token if successful
*
* @param string $password
* @return boolean
*/
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public function authenticate(string $password): bool
{
$config = $this->container->get('config');
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$username = $config->get('kitsu_username');
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$auth = $this->model->authenticate($username, $password);
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if (FALSE !== $auth)
{
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// Set the token in the cache for command line operations
$cacheItem = $this->cache->getItem(K::AUTH_TOKEN_CACHE_KEY);
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$cacheItem->set($auth['access_token']);
$cacheItem->save();
// Set the token expiration in the cache
$expire_time = $auth['created_at'] + $auth['expires_in'];
$cacheItem = $this->cache->getItem(K::AUTH_TOKEN_EXP_CACHE_KEY);
$cacheItem->set($expire_time);
$cacheItem->save();
// Set the refresh token in the cache
$cacheItem = $this->cache->getItem(K::AUTH_TOKEN_REFRESH_CACHE_KEY);
$cacheItem->set($auth['refresh_token']);
$cacheItem->save();
// Set the session values
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$this->segment->set('auth_token', $auth['access_token']);
$this->segment->set('auth_token_expires', $expire_time);
$this->segment->set('refresh_token', $auth['refresh_token']);
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return TRUE;
}
return FALSE;
}
/**
* Make the call to re-authenticate with the existing refresh token
*
* @param string $token
* @return boolean
*/
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public function reAuthenticate(string $token): bool
{
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$auth = $this->model->reAuthenticate($token);
if (FALSE !== $auth)
{
// Set the token in the cache for command line operations
$cacheItem = $this->cache->getItem(K::AUTH_TOKEN_CACHE_KEY);
$cacheItem->set($auth['access_token']);
$cacheItem->save();
// Set the token expiration in the cache
$expire_time = $auth['created_at'] + $auth['expires_in'];
$cacheItem = $this->cache->getItem(K::AUTH_TOKEN_EXP_CACHE_KEY);
$cacheItem->set($expire_time);
$cacheItem->save();
// Set the refresh token in the cache
$cacheItem = $this->cache->getItem(K::AUTH_TOKEN_REFRESH_CACHE_KEY);
$cacheItem->set($auth['refresh_token']);
$cacheItem->save();
// Set the session values
$this->segment->set('auth_token', $auth['access_token']);
$this->segment->set('auth_token_expires', $expire_time);
$this->segment->set('refresh_token', $auth['refresh_token']);
return TRUE;
}
return FALSE;
}
/**
* Check whether the current user is authenticated
*
* @return boolean
*/
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public function isAuthenticated(): bool
{
return ($this->get_auth_token() !== FALSE);
}
/**
* Clear authentication values
*
* @return void
*/
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public function logout(): void
{
$this->segment->clear();
}
/**
* Retrieve the authentication token from the session
*
* @return string|false
*/
public function get_auth_token()
{
$now = time();
$token = $this->segment->get('auth_token', FALSE);
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$refreshToken = $this->segment->get('refresh_token', FALSE);
$isExpired = time() > $this->segment->get('auth_token_expires', $now + 5000);
// Attempt to re-authenticate with refresh token
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/* if ($isExpired && $refreshToken)
{
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if ($this->reAuthenticate($refreshToken))
{
return $this->segment->get('auth_token', FALSE);
}
return FALSE;
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} */
return $token;
}
}
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// End of KitsuAuth.php