43 lines
1.1 KiB
PHP
43 lines
1.1 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2014-2020 Spomky-Labs
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*
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* This software may be modified and distributed under the terms
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* of the MIT license. See the LICENSE file for details.
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*/
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namespace Jose\Component\Signature;
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use InvalidArgumentException;
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use Jose\Component\Checker\TokenTypeSupport;
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use Jose\Component\Core\JWT;
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final class JWSTokenSupport implements TokenTypeSupport
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{
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public function supports(JWT $jwt): bool
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{
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return $jwt instanceof JWS;
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}
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/**
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* @throws InvalidArgumentException if the signature index does not exist
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*/
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public function retrieveTokenHeaders(JWT $jwt, int $index, array &$protectedHeader, array &$unprotectedHeader): void
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{
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if (!$jwt instanceof JWS) {
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return;
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}
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if ($index > $jwt->countSignatures()) {
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throw new InvalidArgumentException('Unknown signature index.');
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}
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$protectedHeader = $jwt->getSignature($index)->getProtectedHeader();
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$unprotectedHeader = $jwt->getSignature($index)->getHeader();
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}
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}
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