Factory.php

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<?php

declare(strict_types=1);

namespace ILIAS\FileDelivery\Token\Signer\Salt;

class Factory
{
    private array $known_salts = [];

    public function __construct()
    {
        // TODO: load known salts from artifact
    }

    public function create(string $salt): Salt
    {
        if (!in_array($salt, $this->known_salts, true)) {
            // throw new \InvalidArgumentException('Unknown salt'); // currently disabled because of missing artifact
        }

        return new Salt($salt);
    }
}