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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 OAuth2Framework\Component\Server\Model\IdToken; |
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use Assert\Assertion; |
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use Jose\Component\Core\JWKSet; |
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use Jose\Component\Signature\JWSLoader; |
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final class IdTokenLoader |
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{ |
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/** |
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* @var JWKSet |
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*/ |
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private $signatureKeySet; |
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/** |
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* @var JWSLoader |
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*/ |
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private $jwsLoader; |
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/** |
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* @var string[] |
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*/ |
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private $signatureAlgorithms; |
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/** |
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* IdTokenLoader constructor. |
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* |
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* @param JWSLoader $jwsLoader |
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* @param JWKSet $signatureKeySet |
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* @param array $signatureAlgorithms |
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*/ |
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public function __construct(JWSLoader $jwsLoader, JWKSet $signatureKeySet, array $signatureAlgorithms) |
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{ |
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$this->signatureAlgorithms = $signatureAlgorithms; |
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$this->signatureKeySet = $signatureKeySet; |
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$this->jwsLoader = $jwsLoader; |
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} |
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/** |
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* @return string[] |
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*/ |
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public function getSupportedSignatureAlgorithms(): array |
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{ |
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return $this->jwsLoader->getSignatureAlgorithmManager()->list(); |
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} |
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/** |
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* @param IdTokenId $idTokenId |
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* |
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* @return IdToken|null |
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*/ |
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public function load(IdTokenId $idTokenId): ? IdToken |
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{ |
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$value = $idTokenId->getValue(); |
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try { |
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$jwt = $this->jwsLoader->load($value); |
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$claims = json_decode($jwt->getPayload(), true); |
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Assertion::isArray($claims, 'Invalid ID Token'); |
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$validSignature = $this->jwsLoader->verifyWithKeySet($jwt, $this->signatureKeySet); |
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Assertion::inArray($jwt->getSignature($validSignature)->getProtectedHeader('alg'), $this->signatureAlgorithms); |
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$idToken = IdToken::create($idTokenId, $claims); |
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return $idToken; |
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} catch (\Exception $e) { |
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return null; |
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} |
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} |
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} |
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OAuth2-Framework /
oauth2-framework
