HummingBirdAnimeClient/src/AnimeClient/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
*
* PHP version 7.4
*
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* @package HummingbirdAnimeClient
* @author Timothy J. Warren <tim@timshomepage.net>
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* @copyright 2015 - 2020 Timothy J. Warren
* @license http://www.opensource.org/licenses/mit-license.html MIT License
* @version 5
* @link https://git.timshomepage.net/timw4mail/HummingBirdAnimeClient
*/
namespace Aviat\AnimeClient\API\Kitsu;
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use Aura\Session\Segment;
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use Aviat\Banker\Exception\InvalidArgumentException;
use const Aviat\AnimeClient\SESSION_SEGMENT;
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use Aviat\AnimeClient\API\{
CacheTrait,
Kitsu as K
};
use Aviat\Ion\Di\{ContainerAware, ContainerInterface};
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use Aviat\Ion\Di\Exception\{ContainerException, NotFoundException};
use Throwable;
use const PHP_SAPI;
/**
* Kitsu API Authentication
*/
final class Auth {
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use CacheTrait;
use ContainerAware;
/**
* Anime API Model
*
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* @var Model
*/
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private Model $model;
/**
* Session object
*
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* @var Segment
*/
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private Segment $segment;
/**
* Constructor
*
* @param ContainerInterface $container
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* @throws ContainerException
* @throws NotFoundException
*/
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
*
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* @param string $password
* @return boolean
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* @throws InvalidArgumentException
* @throws Throwable
*/
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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);
return $this->storeAuth($auth);
}
/**
* Check whether the current user is authenticated
*
* @return boolean
*/
public function isAuthenticated(): bool
{
return ($this->getAuthToken() !== NULL);
}
/**
* Clear authentication values
*
* @return void
*/
public function logout(): void
{
$this->segment->clear();
}
/**
* Retrieve the authentication token from the session
*
* @return string|false
*/
private function getAuthToken(): ?string
{
$now = time();
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if (PHP_SAPI === 'cli')
{
$token = $this->cacheGet(K::AUTH_TOKEN_CACHE_KEY, NULL);
$refreshToken = $this->cacheGet(K::AUTH_TOKEN_REFRESH_CACHE_KEY, NULL);
$expireTime = $this->cacheGet(K::AUTH_TOKEN_EXP_CACHE_KEY);
$isExpired = $now > $expireTime;
}
else
{
$token = $this->segment->get('auth_token', NULL);
$refreshToken = $this->segment->get('refresh_token', NULL);
$isExpired = $now > $this->segment->get('auth_token_expires', $now + 5000);
}
// Attempt to re-authenticate with refresh token
/* if ($isExpired === TRUE && $refreshToken !== NULL)
{
if ($this->reAuthenticate($refreshToken) !== NULL)
{
return (PHP_SAPI === 'cli')
? $this->cacheGet(K::AUTH_TOKEN_CACHE_KEY, NULL)
: $this->segment->get('auth_token', NULL);
}
return NULL;
}*/
return $token;
}
/**
* Make the call to re-authenticate with the existing refresh token
*
* @param string $token
* @return boolean
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* @throws InvalidArgumentException
* @throws Throwable
*/
private function reAuthenticate(string $token): bool
{
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$auth = $this->model->reAuthenticate($token);
return $this->storeAuth($auth);
}
private function storeAuth($auth): bool
{
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;
}
private function cacheGet(string $key, $default = NULL)
{
$cacheItem = $this->cache->getItem($key);
if ( ! $cacheItem->isHit())
{
return $default;
}
return $cacheItem->get();
}
}
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// End of KitsuAuth.php