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<?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) 2014-2017 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 Jose\Component\Checker\HeaderCheckerManager; |
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use Jose\Component\Core\AlgorithmManager; |
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use Jose\Component\Core\JWK; |
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use Jose\Component\Core\JWKSet; |
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use Jose\Component\Signature\Serializer\JWSSerializerManager; |
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final class JWSLoader |
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{ |
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/** |
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* @var JWSVerifier |
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*/ |
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private $jwsVerifier; |
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/** |
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* @var HeaderCheckerManager |
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*/ |
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private $headerCheckerManager; |
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/** |
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* @var JWSSerializerManager |
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*/ |
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private $serializerManager; |
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/** |
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* JWSLoader constructor. |
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* |
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* @param JWSSerializerManager $serializerManager |
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* @param AlgorithmManager $jwsVerifier |
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* @param HeaderCheckerManager $headerCheckerManager |
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*/ |
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public function __construct(JWSSerializerManager $serializerManager, AlgorithmManager $jwsVerifier, HeaderCheckerManager $headerCheckerManager) |
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{ |
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$this->serializerManager = $serializerManager; |
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$this->jwsVerifier = $jwsVerifier; |
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$this->headerCheckerManager = $headerCheckerManager; |
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} |
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/** |
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* @param string $token |
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* @param JWK $key |
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* @param int $signature |
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* @param null|string $payload |
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* |
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* @return JWS |
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*/ |
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public function loadAndVerifyWithKey(string $token, JWK $key, int &$signature, ?string $payload = null): JWS |
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{ |
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$keyset = JWKSet::createFromKeys([$key]); |
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return $this->loadAndVerifyWithKeySet($token, $keyset, $signature, $payload); |
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} |
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/** |
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* @param string $token |
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* @param JWKSet $keyset |
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* @param int $signature |
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* @param null|string $payload |
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* @return JWS |
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* |
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* @throws \Exception |
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*/ |
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public function loadAndVerifyWithKeySet(string $token, JWKSet $keyset, int &$signature, ?string $payload = null): JWS |
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{ |
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try { |
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$jws = $this->serializerManager->unserialize($token); |
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$nbSignatures = $jws->countSignatures(); |
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for ($i = 0; $i < $nbSignatures; $i++) { |
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if ($this->processSignature($jws, $keyset, $i, $payload)) { |
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$signature = $i; |
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return $jws; |
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} |
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} |
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} catch (\Exception $e) { |
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// Nothing to do. Exception thrown just after |
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} |
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throw new \Exception('Unable to load the token.'); |
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} |
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/** |
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* @param JWS $jws |
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* @param JWKSet $keyset |
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* @param int $signature |
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* @param null|string $payload |
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* |
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* @return bool |
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*/ |
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private function processSignature(JWS $jws, JWKSet $keyset, int $signature, ?string $payload): bool |
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{ |
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try { |
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$this->headerCheckerManager->check($jws, $signature); |
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return $this->jwsVerifier->verifyWithKeySet($jws, $keyset, $signature, $payload); |
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} catch (\Exception $e) { |
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return false; |
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} |
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} |
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} |
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web-token /
jwt-framework
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..