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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) 2014-2018 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\ClientRegistrationEndpoint\Rule; |
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use Jose\Component\Core\JWKSet; |
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use Jose\Component\Signature\JWSLoader; |
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use OAuth2Framework\Component\ClientRule\Rule; |
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use OAuth2Framework\Component\Core\Client\ClientId; |
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use OAuth2Framework\Component\Core\DataBag\DataBag; |
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final class SoftwareRule implements Rule |
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{ |
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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 bool |
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*/ |
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private $isSoftwareStatementRequired; |
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/** |
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* @var JWKSet |
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*/ |
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private $softwareStatementSignatureKeySet; |
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/** |
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* @var string[] |
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*/ |
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private $allowedSignatureAlgorithms; |
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/** |
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* @param JWSLoader $jwsLoader |
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* @param JWKSet $signatureKeySet |
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* @param bool $isSoftwareStatementRequired |
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* @param array $allowedSignatureAlgorithms |
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*/ |
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public function __construct(JWSLoader $jwsLoader, JWKSet $signatureKeySet, bool $isSoftwareStatementRequired, array $allowedSignatureAlgorithms) |
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{ |
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$this->jwsLoader = $jwsLoader; |
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$this->softwareStatementSignatureKeySet = $signatureKeySet; |
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$this->isSoftwareStatementRequired = $isSoftwareStatementRequired; |
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$this->allowedSignatureAlgorithms = $allowedSignatureAlgorithms; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isSoftwareStatementRequired(): bool |
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{ |
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return $this->isSoftwareStatementRequired; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function handle(ClientId $clientId, DataBag $commandParameters, DataBag $validatedParameters, callable $next): DataBag |
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{ |
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if ($this->isSoftwareStatementRequired() && !$commandParameters->has('software_statement')) { |
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throw new \InvalidArgumentException('The parameter "software_statement" is mandatory.'); |
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} |
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if ($commandParameters->has('software_statement')) { |
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$statement = $commandParameters->get('software_statement'); |
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if (!is_string($statement)) { |
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throw new \InvalidArgumentException('The software statement must be a string.'); |
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} |
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$software_statement = $this->loadSoftwareStatement($statement); |
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$validatedParameters = $validatedParameters->with('software_statement', $commandParameters->get('software_statement')); |
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} else { |
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$software_statement = []; |
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} |
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foreach (['software_id', 'software_version'] as $key) { |
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if ($commandParameters->has($key)) { |
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$validatedParameters = $validatedParameters->with($key, $commandParameters->get($key)); |
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} |
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} |
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$validatedParameters = $next($clientId, $commandParameters, $validatedParameters); |
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$validatedParameters = $validatedParameters->withParameters($software_statement); |
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return $validatedParameters; |
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} |
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/** |
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* @param string $software_statement |
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* |
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* @return array |
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*/ |
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private function loadSoftwareStatement(string $software_statement): array |
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{ |
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try { |
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$jws = $this->jwsLoader->loadAndVerifyWithKeySet($software_statement, $this->softwareStatementSignatureKeySet, $signatureVerified); |
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if (!in_array($jws->getSignature($signatureVerified)->getProtectedHeaderParameter('alg'), $this->allowedSignatureAlgorithms)) { |
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throw new \InvalidArgumentException('Invalid Software Statement.'); |
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} |
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$claims = json_decode($jws->getPayload(), true); |
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if (!is_array($claims)) { |
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throw new \InvalidArgumentException('Invalid Software Statement.'); |
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} |
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return $claims; |
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} catch (\Exception $e) { |
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throw new \InvalidArgumentException('Invalid Software Statement.', $e->getCode(), $e); |
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} |
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} |
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} |
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OAuth2-Framework /
oauth2-framework
