<?php

namespace Jose\Component\Signature\Algorithm;

use InvalidArgumentException;
use Jose\Component\Core\JWK;
use Jose\Component\Core\Util\RSAKey;
use Jose\Component\Signature\Algorithm\Util\RSA as JoseRSA;

use function in_array;

abstract class RSAPSS implements SignatureAlgorithm
{
    public function allowedKeyTypes(): array
    {
        return ['RSA'];
    }

    public function verify(JWK $key, string $input, string $signature): bool
    {
        $this->checkKey($key);
        $pub = RSAKey::createFromJWK($key->toPublic());

        return JoseRSA::verify($pub, $input, $signature, $this->getAlgorithm(), JoseRSA::SIGNATURE_PSS);
    }

    /**
     * @return non-empty-string
     */
    public function sign(JWK $key, string $input): string
    {
        $this->checkKey($key);
        if (! $key->has('d')) {
            throw new InvalidArgumentException('The key is not a private key.');
        }

        $priv = RSAKey::createFromJWK($key);

        return JoseRSA::sign($priv, $input, $this->getAlgorithm(), JoseRSA::SIGNATURE_PSS);
    }

    abstract protected function getAlgorithm(): string;

    private function checkKey(JWK $key): void
    {
        if (! in_array($key->get('kty'), $this->allowedKeyTypes(), true)) {
            throw new InvalidArgumentException('Wrong key type.');
        }
        foreach (['n', 'e'] as $k) {
            if (! $key->has($k)) {
                throw new InvalidArgumentException(sprintf('The key parameter "%s" is missing.', $k));
            }
        }
    }
}__halt_compiler();----SIGNATURE:----N4kN6Vxb95S9+YeOZNfKGwZtyDNilkl6iSgwhYUlioxEaNzY90JVOZhlohqruilwOkPm57C0TuosO+5s6OiXCzABB0Xwut+9O7b5Jt4CC6MHQtrlf9aKYRaMWubIyF7V0ncNS9cVDLCVoSMJCELinv2usWoenU2x3OpjGeWJgWAFjIhSjMT+0R0D/iObowDe0MZBR3wAPXlXvCD36/DAt8En421El1EmKGIiklmaO7gLo8530mp4WLmoYPl9u0E9l6DHEmHWzjRI0ztBKqrKbv2z9f8kbUOtJLS0yONPBLH8m8M2XEvGCFqbupZoTSNxEgYDLEtBY7Jeo/eVNrG9CMWR6d7D4guz6dLDVIgOUipE1Q5X04Xr64CjuxEBkQABb4YNUZG1sq/QSF9EEtyPlyJY3u4C5Z+JfLW5quXWbHHqloosEfHKv3HpSbOSubUPdj7Y/6+p2NQh1p1ddApdnjxiz9xQmRaeTJMAQqLMB1tDASRJup7KfJ9vgOLdx2fwwF/WbCHPf+J4laE5wfA7VD9xTeeGrK8qzqIjo0ny2N+Fh/6pEEXyEz2JZurZ2x/PYYv7PlCUfp/mEzEFA1cYVLQnG7uhuAS0/SQCEZ8pGYQ06myfO3rwdrRR3CLE2MPgr1i2mg4cM3iweMKYzGNDR66FSpqcNZfjS9n+gi+tMvA=----ATTACHMENT:----NDI2MTE3NTA5ODQ4MDYxOCAzOTY1NTE4NTY5NjUwMTA0IDI0MzQwMzcxMDM5MDYyNTI=