accounts/api/components/Tokens/Component.php
ErickSkrauch 45c2ed601d Replace emarref/jwt with lcobucci/jwt
Refactor all JWT-related components
Replace RS256 with ES256 as a preferred JWT algorithm
2019-08-01 12:17:12 +03:00

97 lines
2.3 KiB
PHP

<?php
declare(strict_types=1);
namespace api\components\Tokens;
use Exception;
use Lcobucci\JWT\Builder;
use Lcobucci\JWT\Parser;
use Lcobucci\JWT\Token;
use yii\base\Component as BaseComponent;
class Component extends BaseComponent {
private const EXPIRATION_TIMEOUT = 3600; // 1h
private const PREFERRED_ALGORITHM = 'ES256';
/**
* @var string
*/
public $hmacKey;
/**
* @var string
*/
public $publicKeyPath;
/**
* @var string
*/
public $privateKeyPath;
/**
* @var string|null
*/
public $privateKeyPass;
/**
* @var AlgorithmsManager|null
*/
private $algorithmManager;
public function create(array $payloads = [], array $headers = []): Token {
$time = time();
$builder = (new Builder())
->issuedAt($time)
->expiresAt($time + self::EXPIRATION_TIMEOUT);
foreach ($payloads as $claim => $value) {
$builder->withClaim($claim, $value);
}
foreach ($headers as $claim => $value) {
$builder->withHeader($claim, $value);
}
/** @noinspection PhpUnhandledExceptionInspection */
$algorithm = $this->getAlgorithmManager()->get(self::PREFERRED_ALGORITHM);
return $builder->getToken($algorithm->getSigner(), $algorithm->getPrivateKey());
}
/**
* @param string $jwt
*
* @return Token
* @throws \InvalidArgumentException
*/
public function parse(string $jwt): Token {
return (new Parser())->parse($jwt);
}
public function verify(Token $token): bool {
try {
$algorithm = $this->getAlgorithmManager()->get($token->getHeader('alg'));
return $token->verify($algorithm->getSigner(), $algorithm->getPublicKey());
} catch (Exception $e) {
return false;
}
}
private function getAlgorithmManager(): AlgorithmsManager {
if ($this->algorithmManager === null) {
$this->algorithmManager = new AlgorithmsManager([
new Algorithms\HS256($this->hmacKey),
new Algorithms\ES256(
"file://{$this->privateKeyPath}",
$this->privateKeyPass,
"file://{$this->publicKeyPath}"
),
]);
}
return $this->algorithmManager;
}
}