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<?php
namespace MadWizard\WebAuthn\Extension;
use MadWizard\WebAuthn\Exception\WebAuthnException;
use MadWizard\WebAuthn\Format\SerializableTrait;
use function sprintf;
abstract class AbstractExtensionInput implements ExtensionInputInterface
{
use SerializableTrait;
/**
* @var string
*/
private $identifier;
* @var mixed // TODO stricter type?
protected $input;
public function __construct(string $identifier)
$this->identifier = $identifier;
if (!ExtensionHelper::validExtensionIdentifier($identifier)) {
throw new WebAuthnException(sprintf("Invalid extension identifier '%s'.", $identifier));
}
public function getIdentifier(): string
return $this->identifier;
* @return mixed
public function getInput()
return $this->input;
public function __serialize(): array
return ['id' => $this->identifier, 'input' => $this->input];
public function __unserialize(array $data): void
$this->identifier = $data['id'];
$this->input = $data['input'];
madwizard-org /
webauthn-server
