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<?php |
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/** |
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* OAuth 2.0 Client credentials grant. |
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* |
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* @author Alex Bilbie <[email protected]> |
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* @copyright Copyright (c) Alex Bilbie |
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* @license http://mit-license.org/ |
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* |
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* @link https://github.com/thephpleague/oauth2-server |
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*/ |
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declare(strict_types=1); |
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namespace League\OAuth2\Server\Grant; |
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use DateInterval; |
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use League\OAuth2\Server\Exception\OAuthServerException; |
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use League\OAuth2\Server\RequestAccessTokenEvent; |
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use League\OAuth2\Server\RequestEvent; |
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use League\OAuth2\Server\ResponseTypes\ResponseTypeInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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/** |
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* Client credentials grant class. |
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*/ |
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class ClientCredentialsGrant extends AbstractGrant |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function respondToAccessTokenRequest( |
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ServerRequestInterface $request, |
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ResponseTypeInterface $responseType, |
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DateInterval $accessTokenTTL |
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): ResponseTypeInterface { |
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$client = $this->validateClient($request); |
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if (!$client->isConfidential()) { |
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$this->getEmitter()->emit(new RequestEvent(RequestEvent::CLIENT_AUTHENTICATION_FAILED, $request)); |
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throw OAuthServerException::invalidClient($request); |
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} |
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$scopes = $this->validateScopes($this->getRequestParameter('scope', $request, $this->defaultScope)); |
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// Finalize the requested scopes |
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$finalizedScopes = $this->scopeRepository->finalizeScopes($scopes, $this->getIdentifier(), $client); |
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// Issue and persist access token |
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$accessToken = $this->issueAccessToken($accessTokenTTL, $client, null, $finalizedScopes); |
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// Send event to emitter |
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$this->getEmitter()->emit(new RequestAccessTokenEvent(RequestEvent::ACCESS_TOKEN_ISSUED, $request, $accessToken)); |
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// Inject access token into response type |
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$responseType->setAccessToken($accessToken); |
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return $responseType; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIdentifier(): string |
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{ |
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return 'client_credentials'; |
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} |
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} |
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thephpleague /
oauth2-server
