<?php

namespace Facile\JoseVerifier\Checker;

use Jose\Component\Checker\HeaderChecker;
use Jose\Component\Checker\InvalidHeaderException;

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

    /** @var bool */
    private $protectedHeader;

    /** @var string[] */
    private $supportedAlgorithms;

    /**
     * @param string[] $supportedAlgorithms
     */
    public function __construct(array $supportedAlgorithms, bool $protectedHeader = false)
    {
        $this->supportedAlgorithms = $supportedAlgorithms;
        $this->protectedHeader = $protectedHeader;
    }

    /**
     * @param mixed $value
     *
     * @throws InvalidHeaderException if the header is invalid
     */
    public function checkHeader($value): void
    {
        if (! is_string($value)) {
            throw new InvalidHeaderException('"enc" 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:----MTQ5NjQ5Mzk2Njc2NDIwNiA1NTQ4NDk4NTgyMjQ2MDc5IDgwOTU5NTIxMDM3NTAwMTI=