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<?php |
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/* |
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* This file is part of the Guarded Authentication package. |
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* |
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* (c) Jafar Jabr <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Jafar\Bundle\GuardedAuthenticationBundle\Api\KeyLoader; |
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use DateTime; |
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/** |
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* Class LoadedJWS. |
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* |
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* @author Jafar Jabr <[email protected]> |
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*/ |
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class LoadedJWS |
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{ |
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const VERIFIED = 'verified'; |
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const EXPIRED = 'expired'; |
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const INVALID = 'invalid'; |
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/** |
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* @var array |
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*/ |
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private $payload; |
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/** |
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* @var string |
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*/ |
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private $state; |
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/** |
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* @var bool |
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*/ |
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private $hasLifetime; |
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/** |
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* LoadedJWS constructor. |
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* |
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* @param array $payload |
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* @param bool $isVerified |
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* @param bool $hasLifetime |
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*/ |
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public function __construct(array $payload, bool $isVerified, bool $hasLifetime = true) |
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{ |
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$this->payload = $payload; |
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$this->hasLifetime = $hasLifetime; |
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if (true === $isVerified) { |
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$this->state = self::VERIFIED; |
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} |
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$this->checkIssuedAt(); |
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$this->checkExpiration(); |
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} |
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/** |
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* @return array |
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*/ |
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public function getPayload() |
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{ |
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return $this->payload; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isVerified() |
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{ |
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return self::VERIFIED === $this->state; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isExpired() |
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{ |
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$this->checkExpiration(); |
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return self::EXPIRED === $this->state; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isInvalid() |
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{ |
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return self::INVALID === $this->state; |
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} |
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/** |
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* Ensures that the signature is not expired. |
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*/ |
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private function checkExpiration() |
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{ |
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if (!$this->hasLifetime) { |
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return null; |
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} |
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if (!isset($this->payload['exp']) || !is_numeric($this->payload['exp'])) { |
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return $this->state = self::INVALID; |
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} |
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if (0 <= (new DateTime())->format('U') - $this->payload['exp']) { |
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return $this->state = self::EXPIRED; |
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} |
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return null; |
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} |
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/** |
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* Ensures that the iat claim is not in the future. |
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*/ |
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private function checkIssuedAt() |
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{ |
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if (isset($this->payload['iat']) && (int) $this->payload['iat'] > time()) { |
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return $this->state = self::INVALID; |
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} |
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return null; |
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} |
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} |
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jafaronly /
guarded-authentication-bundle
