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<?php |
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/** |
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* Created by PhpStorm. |
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* User: GCC-MED |
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* Date: 18/01/2018 |
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* Time: 12:00 |
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*/ |
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namespace OAuth2OLD\GrantTypes; |
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use OAuth2OLD\Config; |
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use OAuth2OLD\EndpointMessages\Token\AccessTokenResponse; |
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use OAuth2OLD\Exceptions\OAuthException; |
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use OAuth2OLD\Repositories\ConfigurationRepository; |
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use OAuth2OLD\Roles\ClientInterface; |
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use OAuth2OLD\Roles\Clients\RegisteredClient; |
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use OAuth2OLD\ScopePolicy\ScopePolicyManager; |
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use OAuth2OLD\Storages\AccessTokenStorageInterface; |
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use OAuth2OLD\Storages\RefreshTokenStorageInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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class RefreshTokenGrantType implements GrantTypeInterface |
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{ |
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/** |
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* @var AccessTokenStorageInterface |
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*/ |
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private $accessTokenStorage; |
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/** |
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* @var RefreshTokenStorageInterface |
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*/ |
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private $refreshTokenStorage; |
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/** |
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* @var ScopePolicyManager |
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*/ |
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private $scopePolicyManager; |
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/** |
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* @var ConfigurationRepository |
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*/ |
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private $configurationRepository; |
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public function __construct(ConfigurationRepository $configurationRepository, |
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ScopePolicyManager $scopePolicyManager, |
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AccessTokenStorageInterface $accessTokenStorage, |
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RefreshTokenStorageInterface $refreshTokenStorage) |
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{ |
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$this->scopePolicyManager = $scopePolicyManager; |
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$this->accessTokenStorage = $accessTokenStorage; |
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$this->refreshTokenStorage = $refreshTokenStorage; |
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$this->configurationRepository = $configurationRepository; |
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} |
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function getUri(): string |
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{ |
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return 'refresh_token'; |
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} |
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function grant(ServerRequestInterface $request, ClientInterface $client): ResponseInterface |
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{ |
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if (!$client instanceof RegisteredClient) { |
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throw new OAuthException('unauthorized_client', |
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'Unauthorized client type', |
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'https://tools.ietf.org/html/rfc6749#section-5.2'); |
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} |
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$refreshToken = $request->getParsedBody()['refresh_token'] ?? ''; |
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if(!$refreshToken) { |
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throw new OAuthException('invalid_request', 'Missing a required parameter : refresh_token', |
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'https://tools.ietf.org/html/rfc6749#section-4.3'); |
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} |
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$refreshToken = $this->refreshTokenStorage->get($refreshToken); |
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if(!$refreshToken || $refreshToken->getClientId() !== $client->getIdentifier()) { |
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throw new OAuthException('invalid_grant', 'Refresh token is invalid', |
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'https://tools.ietf.org/html/rfc6749#section-4.3'); |
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} |
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if(!is_null($refreshToken->getExpiresAt()) && $refreshToken->getExpiresAt() < time()) { |
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$this->refreshTokenStorage->revoke($refreshToken->getToken()); |
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throw new OAuthException('invalid_grant', 'Refresh token has expired', |
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'https://tools.ietf.org/html/rfc6749#section-4.3'); |
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} |
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$includedScopes = isset($request->getParsedBody()['scope']) ? explode(' ', $request->getParsedBody()['scope']) : null; |
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if(is_array($includedScopes) && !empty(array_diff($includedScopes, explode(' ', $refreshToken->getToken())))) { |
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throw new OAuthException('invalid_scope', |
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'Some of scope included are not granted for this token. Scope granted : ' . $refreshToken->getScope(), |
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'https://tools.ietf.org/html/rfc6749#section-6'); |
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} |
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// issue an access token token and, optionally, a refresh token |
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$accessToken = $this->accessTokenStorage->create($client->getIdentifier(), $refreshToken->getUserId(), $refreshToken->getScope()); |
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$newRefreshToken = null; |
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if($this->configurationRepository->getConfig(Config::REGENERATE_REFRESH_TOKENS_AFTER_USE)) { |
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$this->refreshTokenStorage->revoke($refreshToken->getToken()); |
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$newRefreshToken = $this->refreshTokenStorage->create( |
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$refreshToken->getClientId(), $refreshToken->getUserId(), $refreshToken->getScope())->getToken(); |
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} |
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return new AccessTokenResponse($accessToken->getToken(), $accessToken->getType(), |
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$accessToken->getExpiresAt() - time(), $newRefreshToken); |
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} |
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} |
Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.