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<?php |
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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\Entities\UserEntityInterface; |
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use League\OAuth2\Server\Exception\OAuthServerException; |
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use League\OAuth2\Server\Repositories\RefreshTokenRepositoryInterface; |
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use League\OAuth2\Server\RequestEvent; |
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use League\OAuth2\Server\RequestTypes\AuthorizationRequestInterface; |
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use League\OAuth2\Server\ResponseTypes\RedirectResponse; |
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use League\OAuth2\Server\ResponseTypes\ResponseTypeInterface; |
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use LogicException; |
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use Psr\Http\Message\ServerRequestInterface; |
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use function count; |
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use function is_array; |
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use function is_null; |
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use function time; |
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class ImplicitGrant extends AbstractAuthorizeGrant |
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{ |
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public function __construct(private DateInterval $accessTokenTTL, private string $queryDelimiter = '#') |
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{ |
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} |
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/** |
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* @throws LogicException |
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*/ |
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public function setRefreshTokenTTL(DateInterval $refreshTokenTTL): void |
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{ |
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throw new LogicException('The Implicit Grant does not return refresh tokens'); |
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} |
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/** |
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* @throws LogicException |
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*/ |
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public function setRefreshTokenRepository(RefreshTokenRepositoryInterface $refreshTokenRepository): void |
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{ |
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throw new LogicException('The Implicit Grant does not return refresh tokens'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function canRespondToAccessTokenRequest(ServerRequestInterface $request): bool |
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{ |
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return false; |
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} |
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/** |
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* Return the grant identifier that can be used in matching up requests. |
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*/ |
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public function getIdentifier(): string |
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{ |
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return 'implicit'; |
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} |
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/** |
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* Respond to an incoming request. |
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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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throw new LogicException('This grant does not used this method'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function canRespondToAuthorizationRequest(ServerRequestInterface $request): bool |
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{ |
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return ( |
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isset($request->getQueryParams()['response_type']) |
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&& $request->getQueryParams()['response_type'] === 'token' |
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&& isset($request->getQueryParams()['client_id']) |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function validateAuthorizationRequest(ServerRequestInterface $request): AuthorizationRequestInterface |
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{ |
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$clientId = $this->getQueryStringParameter( |
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'client_id', |
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$request, |
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$this->getServerParameter('PHP_AUTH_USER', $request) |
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); |
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if (is_null($clientId)) { |
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throw OAuthServerException::invalidRequest('client_id'); |
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} |
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$client = $this->getClientEntityOrFail($clientId, $request); |
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$redirectUri = $this->getQueryStringParameter('redirect_uri', $request); |
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if ($redirectUri !== null) { |
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$this->validateRedirectUri($redirectUri, $client, $request); |
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} elseif ( |
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$client->getRedirectUri() === '' || |
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(is_array($client->getRedirectUri()) && count($client->getRedirectUri()) !== 1) |
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) { |
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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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$stateParameter = $this->getQueryStringParameter('state', $request); |
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$scopes = $this->validateScopes( |
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$this->getQueryStringParameter('scope', $request, $this->defaultScope), |
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$this->makeRedirectUri( |
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$redirectUri ?? $this->getClientRedirectUri($client), |
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$stateParameter !== null ? ['state' => $stateParameter] : [], |
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$this->queryDelimiter |
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) |
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); |
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$authorizationRequest = $this->createAuthorizationRequest(); |
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$authorizationRequest->setGrantTypeId($this->getIdentifier()); |
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$authorizationRequest->setClient($client); |
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$authorizationRequest->setRedirectUri($redirectUri); |
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if ($stateParameter !== null) { |
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$authorizationRequest->setState($stateParameter); |
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} |
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$authorizationRequest->setScopes($scopes); |
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return $authorizationRequest; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function completeAuthorizationRequest(AuthorizationRequestInterface $authorizationRequest): ResponseTypeInterface |
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{ |
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if ($authorizationRequest->getUser() instanceof UserEntityInterface === false) { |
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throw new LogicException('An instance of UserEntityInterface should be set on the AuthorizationRequest'); |
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} |
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$finalRedirectUri = $authorizationRequest->getRedirectUri() |
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?? $this->getClientRedirectUri($authorizationRequest->getClient()); |
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// The user approved the client, redirect them back with an access token |
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if ($authorizationRequest->isAuthorizationApproved() === true) { |
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// Finalize the requested scopes |
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$finalizedScopes = $this->scopeRepository->finalizeScopes( |
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$authorizationRequest->getScopes(), |
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$this->getIdentifier(), |
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$authorizationRequest->getClient(), |
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$authorizationRequest->getUser()->getIdentifier() |
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); |
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$accessToken = $this->issueAccessToken( |
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$this->accessTokenTTL, |
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$authorizationRequest->getClient(), |
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$authorizationRequest->getUser()->getIdentifier(), |
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$finalizedScopes |
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); |
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// TODO: next major release: this method needs `ServerRequestInterface` as an argument |
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// $this->getEmitter()->emit(new RequestAccessTokenEvent(RequestEvent::ACCESS_TOKEN_ISSUED, $request, $accessToken)); |
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$response = new RedirectResponse(); |
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$response->setRedirectUri( |
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$this->makeRedirectUri( |
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$finalRedirectUri, |
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[ |
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'access_token' => $accessToken->toString(), |
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'token_type' => 'Bearer', |
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'expires_in' => $accessToken->getExpiryDateTime()->getTimestamp() - time(), |
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'state' => $authorizationRequest->getState(), |
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], |
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$this->queryDelimiter |
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) |
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); |
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return $response; |
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} |
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// The user denied the client, redirect them back with an error |
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throw OAuthServerException::accessDenied( |
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'The user denied the request', |
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$this->makeRedirectUri( |
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$finalRedirectUri, |
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[ |
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'state' => $authorizationRequest->getState(), |
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], |
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$this->queryDelimiter |
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) |
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); |
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} |
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} |
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thephpleague /
oauth2-server
