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<?php
declare(strict_types=1);
/*
* The MIT License (MIT)
*
* Copyright (c) 2014-2018 Spomky-Labs
*
* This software may be modified and distributed under the terms
* of the MIT license. See the LICENSE file for details.
*/
namespace Jose\Component\KeyManagement\KeyAnalyzer;
use Jose\Component\Core\JWK;
final class UsageAnalyzer implements KeyAnalyzer
{
public function analyze(JWK $jwk, MessageBag $bag)
{
if (!$jwk->has('use')) {
$bag->add(Message::medium('The parameter "use" should be added.'));
} elseif (!\in_array($jwk->get('use'), ['sig', 'enc'], true)) {
$bag->add(Message::high(\sprintf('The parameter "use" has an unsupported value "%s". Please use "sig" (signature) or "enc" (encryption).', $jwk->get('use'))));
}
if ($jwk->has('key_ops') && !\in_array($jwk->get('key_ops'), ['sign', 'verify', 'encrypt', 'decrypt', 'wrapKey', 'unwrapKey'], true)) {
$bag->add(Message::high(\sprintf('The parameter "key_ops" has an unsupported value "%s". Please use one of the following values: %s.', $jwk->get('use'), \implode(', ', ['verify', 'sign', 'encryp', 'decrypt', 'wrapKey', 'unwrapKey']))));
}
}
}
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