Viewing file:  SignedWith.php (1.07 KB) -rw-r--r--
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<?php
declare(strict_types=1);
namespace Lcobucci\JWT\Validation\Constraint;
use Lcobucci\JWT\Signer;
use Lcobucci\JWT\Token;
use Lcobucci\JWT\UnencryptedToken;
use Lcobucci\JWT\Validation\ConstraintViolation;
use Lcobucci\JWT\Validation\SignedWith as SignedWithInterface;
final class SignedWith implements SignedWithInterface
{
private Signer $signer;
private Signer\Key $key;
public function __construct(Signer $signer, Signer\Key $key)
{
$this->signer = $signer;
$this->key = $key;
}
public function assert(Token $token): void
{
if (! $token instanceof UnencryptedToken) {
throw ConstraintViolation::error('You should pass a plain token', $this);
}
if ($token->headers()->get('alg') !== $this->signer->algorithmId()) {
throw ConstraintViolation::error('Token signer mismatch', $this);
}
if (! $this->signer->verify($token->signature()->hash(), $token->payload(), $this->key)) {
throw ConstraintViolation::error('Token signature mismatch', $this);
}
}
}
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