Completed
Pull Request — master (#910)
by Andrew
01:49
created

ImplicitGrant::setRefreshTokenRepository()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 2
CRAP Score 1

Importance

Changes 0
Metric Value
c 0
b 0
f 0
dl 0
loc 4
ccs 2
cts 2
cp 1
rs 10
cc 1
nc 1
nop 1
crap 1
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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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namespace League\OAuth2\Server\Grant;
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use League\OAuth2\Server\Entities\ClientEntityInterface;
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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\AuthorizationRequest;
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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 Psr\Http\Message\ServerRequestInterface;
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class ImplicitGrant extends AbstractAuthorizeGrant
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{
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    /**
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     * @var \DateInterval
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     */
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    private $accessTokenTTL;
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    /**
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     * @var string
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     */
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    private $queryDelimiter;
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    /**
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     * @param \DateInterval $accessTokenTTL
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     * @param string        $queryDelimiter
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     */
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    public function __construct(\DateInterval $accessTokenTTL, $queryDelimiter = '#')
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    {
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        $this->accessTokenTTL = $accessTokenTTL;
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        $this->queryDelimiter = $queryDelimiter;
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    }
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    /**
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     * @param \DateInterval $refreshTokenTTL
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     *
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     * @throw \LogicException
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     */
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    public function setRefreshTokenTTL(\DateInterval $refreshTokenTTL)
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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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     * @param RefreshTokenRepositoryInterface $refreshTokenRepository
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     *
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     * @throw \LogicException
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     */
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    public function setRefreshTokenRepository(RefreshTokenRepositoryInterface $refreshTokenRepository)
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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)
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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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     * @return string
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     */
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    public function getIdentifier()
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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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     * @param ServerRequestInterface $request
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     * @param ResponseTypeInterface  $responseType
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     * @param \DateInterval          $accessTokenTTL
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     *
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     * @return ResponseTypeInterface
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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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    ) {
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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 $request)
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    {
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        return (
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            isset($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)
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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->clientRepository->getClientEntity(
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            $clientId,
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            $this->getIdentifier(),
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            null,
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            false
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        );
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        if ($client instanceof ClientEntityInterface === false) {
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            $this->getEmitter()->emit(new RequestEvent(RequestEvent::CLIENT_AUTHENTICATION_FAILED, $request));
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            throw OAuthServerException::invalidClient();
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        }
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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, $request);
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        } elseif (is_array($client->getRedirectUri()) && count($client->getRedirectUri()) !== 1
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            || empty($client->getRedirectUri())) {
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            $this->getEmitter()->emit(new RequestEvent(RequestEvent::CLIENT_AUTHENTICATION_FAILED, $request));
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            throw OAuthServerException::invalidClient();
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        } else {
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            $redirectUri = is_array($client->getRedirectUri())
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                ? $client->getRedirectUri()[0]
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                : $client->getRedirectUri();
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        }
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        $scopes = $this->validateScopes(
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            $this->getQueryStringParameter('scope', $request, $this->defaultScope),
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            $redirectUri
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        );
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        // Finalize the requested scopes
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        $finalizedScopes = $this->scopeRepository->finalizeScopes(
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            $scopes,
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            $this->getIdentifier(),
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            $client
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        );
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        $stateParameter = $this->getQueryStringParameter('state', $request);
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        $authorizationRequest = new AuthorizationRequest();
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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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        $authorizationRequest->setScopes($finalizedScopes);
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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(AuthorizationRequest $authorizationRequest)
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    {
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        if ($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() === null)
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            ? is_array($authorizationRequest->getClient()->getRedirectUri())
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                ? $authorizationRequest->getClient()->getRedirectUri()[0]
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                : $authorizationRequest->getClient()->getRedirectUri()
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            : $authorizationRequest->getRedirectUri();
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        // The user approved the client, redirect them back with an access token
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        if ($authorizationRequest->isAuthorizationApproved() === true) {
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            $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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                $authorizationRequest->getScopes()
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            );
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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' => (string) $accessToken->convertToJWT($this->privateKey),
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                        'token_type'   => 'Bearer',
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                        'expires_in'   => $accessToken->getExpiryDateTime()->getTimestamp() - (new \DateTime())->getTimestamp(),
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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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            )
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        );
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    }
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}
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