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<?php |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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declare(strict_types=1); |
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namespace Spiral\Auth\Cycle; |
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use Cycle\ORM\ORMInterface; |
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use Cycle\ORM\Transaction; |
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use Spiral\Auth\Exception\TokenStorageException; |
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use Spiral\Auth\TokenInterface; |
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use Spiral\Auth\TokenStorageInterface; |
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/** |
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* Provides the ability to fetch token information from the database via Cycle ORM. |
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*/ |
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final class TokenStorage implements TokenStorageInterface |
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{ |
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/** @var ORMInterface */ |
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private $orm; |
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/** |
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* @param ORMInterface $orm |
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*/ |
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public function __construct(ORMInterface $orm) |
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{ |
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$this->orm = $orm; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function load(string $id): ?TokenInterface |
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{ |
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if (strpos($id, ':') === false) { |
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return null; |
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} |
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[$pk, $hash] = explode(':', $id, 2); |
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/** @var Token $token */ |
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$token = $this->orm->getRepository(Token::class)->findByPK($pk); |
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if ($token === null || !hash_equals($token->getHashedValue(), hash('sha512', $hash))) { |
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// hijacked or deleted |
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return null; |
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} |
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$token->setSecretValue($hash); |
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if ($token->getExpiresAt() !== null && $token->getExpiresAt() < new \DateTime()) { |
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$this->delete($token); |
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return null; |
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} |
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return $token; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function create(array $payload, \DateTimeInterface $expiresAt = null): TokenInterface |
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{ |
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try { |
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$token = new Token( |
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$this->issueID(), |
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$this->randomHash(128), |
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$payload, |
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new \DateTimeImmutable(), |
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$expiresAt |
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); |
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(new Transaction($this->orm))->persist($token)->run(); |
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return $token; |
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} catch (\Throwable $e) { |
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throw new TokenStorageException('Unable to create token', $e->getCode(), $e); |
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} |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function delete(TokenInterface $token): void |
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{ |
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try { |
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(new Transaction($this->orm))->delete($token)->run(); |
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} catch (\Throwable $e) { |
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throw new TokenStorageException('Unable to delete token', $e->getCode(), $e); |
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} |
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} |
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/** |
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* Issue unique token id. |
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* |
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* @return string |
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* @throws \Exception |
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*/ |
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private function issueID(): string |
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{ |
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$id = $this->randomHash(64); |
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$query = $this->orm->getSource(Token::class)->getDatabase()->select()->from( |
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$this->orm->getSource(Token::class)->getTable() |
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); |
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while ((clone $query)->where('id', $id)->count('id') !== 0) { |
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$id = $this->randomHash(64); |
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} |
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return $id; |
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} |
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/** |
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* @param int $length |
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* @return string |
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* |
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* @throws \Exception |
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*/ |
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private function randomHash(int $length): string |
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{ |
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return substr(bin2hex(random_bytes($length)), 0, $length); |
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} |
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} |
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spiral /
framework
