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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\Server\TokenEndpoint\AuthenticationMethod; |
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use OAuth2Framework\Component\Server\Core\Client\Client; |
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use OAuth2Framework\Component\Server\Core\Client\ClientId; |
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use OAuth2Framework\Component\Server\Core\DataBag\DataBag; |
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use Psr\Http\Message\ServerRequestInterface; |
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final class ClientSecretPost implements TokenEndpointAuthenticationMethod |
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{ |
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/** |
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* @var int |
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*/ |
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private $secretLifetime; |
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/** |
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* ClientSecretPost constructor. |
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* |
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* @param int $secretLifetime |
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*/ |
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public function __construct(int $secretLifetime = 0) |
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{ |
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if ($secretLifetime < 0) { |
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throw new \InvalidArgumentException('The secret lifetime must be at least 0 (= unlimited).'); |
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} |
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$this->secretLifetime = $secretLifetime; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getSchemesParameters(): array |
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{ |
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return []; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function findClientId(ServerRequestInterface $request, &$clientCredentials = null): ? ClientId |
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{ |
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$parameters = $request->getParsedBody() ?? []; |
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if (array_key_exists('client_id', $parameters) && array_key_exists('client_secret', $parameters)) { |
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$clientCredentials = $parameters['client_secret']; |
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return ClientId::create($parameters['client_id']); |
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} |
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return null; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function checkClientConfiguration(DataBag $command_parameters, DataBag $validated_parameters): DataBag |
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{ |
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$validated_parameters = $validated_parameters->with('client_secret', $this->createClientSecret()); |
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$validated_parameters = $validated_parameters->with('client_secret_expires_at', (0 === $this->secretLifetime ? 0 : time() + $this->secretLifetime)); |
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return $validated_parameters; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isClientAuthenticated(Client $client, $clientCredentials, ServerRequestInterface $request): bool |
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{ |
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return hash_equals($client->get('client_secret'), $clientCredentials); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getSupportedAuthenticationMethods(): array |
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{ |
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return ['client_secret_post']; |
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} |
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/** |
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* @return string |
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*/ |
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private function createClientSecret(): string |
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{ |
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return bin2hex(random_bytes(128)); |
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} |
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} |
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OAuth2-Framework /
oauth2-framework
