<?php

namespace Jose\Component\Checker;

use function in_array;
use function is_string;

/**
 * This class is a header parameter checker. When the "alg" header parameter is present, it will check if the value is
 * within the allowed ones.
 */
final class AlgorithmChecker implements HeaderChecker
{
    private const HEADER_NAME = 'alg';

    /**
     * @param string[] $supportedAlgorithms
     */
    public function __construct(
        private readonly array $supportedAlgorithms,
        private readonly bool $protectedHeader = false,
    ) {
    }

    public function checkHeader(mixed $value): void
    {
        if (! is_string($value)) {
            throw new InvalidHeaderException('"alg" must be a string.', self::HEADER_NAME, $value);
        }
        if (! in_array($value, $this->supportedAlgorithms, true)) {
            throw new InvalidHeaderException('Unsupported algorithm.', self::HEADER_NAME, $value);
        }
    }

    public function supportedHeader(): string
    {
        return self::HEADER_NAME;
    }

    public function protectedHeaderOnly(): bool
    {
        return $this->protectedHeader;
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----Mjk0MDMzMzU0MTkyNjI2IDkwNzE4NDQ4MjgxMjY5MjYgMzM3MDA3MzYyNjA3NTg1Nw==