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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\ServerBundle\Service; |
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use Base64Url\Base64Url; |
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use OAuth2Framework\Component\AuthorizationEndpoint\Authorization; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Symfony\Component\HttpFoundation\Cookie; |
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use Symfony\Component\HttpFoundation\Session\SessionInterface; |
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class SessionStateParameterExtension extends \OAuth2Framework\Component\OpenIdConnect\ConsentScreen\SessionStateParameterExtension |
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{ |
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/** |
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* @var string |
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*/ |
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private $storageName; |
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/** |
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* @var SessionInterface |
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*/ |
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private $session; |
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/** |
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* SessionStateParameterExtension constructor. |
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* |
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* @param SessionInterface $session |
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* @param string $storageName |
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*/ |
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public function __construct(SessionInterface $session, string $storageName) |
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{ |
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$this->session = $session; |
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$this->storageName = $storageName; |
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} |
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public function processBefore(ServerRequestInterface $request, Authorization $authorization): Authorization |
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{ |
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return $authorization; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getBrowserState(ServerRequestInterface $request, Authorization &$authorization): string |
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{ |
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if ($this->session->has($this->storageName)) { |
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return $this->session->get($this->storageName); |
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} |
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$browserState = Base64Url::encode(random_bytes(64)); |
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$this->session->set($this->storageName, $browserState); |
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$cookie = new Cookie($this->storageName, $browserState); |
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$authorization = $authorization->withResponseHeader('Set-Cookie', (string) $cookie); |
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return $browserState; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function calculateSessionState(ServerRequestInterface $request, Authorization $authorization, string $browserState): string |
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{ |
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$origin = $this->getOriginUri($authorization->getRedirectUri()); |
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$salt = Base64Url::encode(random_bytes(16)); |
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$hash = hash('sha256', sprintf('%s%s%s%s', $authorization->getClient()->getPublicId(), $origin, $browserState, $salt)); |
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return sprintf('%s.%s', $hash, $salt); |
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} |
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/** |
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* @param string $redirectUri |
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* |
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* @return string |
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*/ |
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private function getOriginUri(string $redirectUri): string |
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{ |
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$url_parts = parse_url($redirectUri); |
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return sprintf('%s://%s%s', $url_parts['scheme'], $url_parts['host'], isset($url_parts['port']) ? ':'.$url_parts['port'] : ''); |
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} |
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} |
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OAuth2-Framework /
oauth2-framework
