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<?php |
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/** |
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* OAuth 2.0 Abstract 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 DateTimeImmutable; |
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use DomainException; |
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use Error; |
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use Exception; |
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use League\OAuth2\Server\AbstractHandler; |
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use League\OAuth2\Server\CryptKeyInterface; |
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use League\OAuth2\Server\Entities\AccessTokenEntityInterface; |
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use League\OAuth2\Server\Entities\AuthCodeEntityInterface; |
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use League\OAuth2\Server\Entities\ClientEntityInterface; |
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use League\OAuth2\Server\Entities\RefreshTokenEntityInterface; |
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use League\OAuth2\Server\Entities\ScopeEntityInterface; |
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use League\OAuth2\Server\Exception\OAuthServerException; |
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use League\OAuth2\Server\Exception\UniqueTokenIdentifierConstraintViolationException; |
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use League\OAuth2\Server\RedirectUriValidators\RedirectUriValidator; |
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use League\OAuth2\Server\Repositories\AuthCodeRepositoryInterface; |
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use League\OAuth2\Server\Repositories\ScopeRepositoryInterface; |
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use League\OAuth2\Server\Repositories\UserRepositoryInterface; |
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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\DeviceCodeResponse; |
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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 TypeError; |
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use function array_filter; |
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use function array_key_exists; |
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use function bin2hex; |
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use function explode; |
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use function is_string; |
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use function random_bytes; |
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use function trim; |
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/** |
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* Abstract grant class. |
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*/ |
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abstract class AbstractGrant extends AbstractHandler implements GrantTypeInterface |
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{ |
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protected const SCOPE_DELIMITER_STRING = ' '; |
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protected const MAX_RANDOM_TOKEN_GENERATION_ATTEMPTS = 10; |
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protected ScopeRepositoryInterface $scopeRepository; |
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protected AuthCodeRepositoryInterface $authCodeRepository; |
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protected UserRepositoryInterface $userRepository; |
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protected DateInterval $refreshTokenTTL; |
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protected CryptKeyInterface $privateKey; |
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protected string $defaultScope; |
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protected bool $revokeRefreshTokens = true; |
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public function setScopeRepository(ScopeRepositoryInterface $scopeRepository): void |
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{ |
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$this->scopeRepository = $scopeRepository; |
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} |
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public function setAuthCodeRepository(AuthCodeRepositoryInterface $authCodeRepository): void |
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{ |
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$this->authCodeRepository = $authCodeRepository; |
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} |
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public function setUserRepository(UserRepositoryInterface $userRepository): void |
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{ |
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$this->userRepository = $userRepository; |
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} |
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101 |
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/** |
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* {@inheritdoc} |
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101 |
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*/ |
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public function setRefreshTokenTTL(DateInterval $refreshTokenTTL): void |
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{ |
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$this->refreshTokenTTL = $refreshTokenTTL; |
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} |
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/** |
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* Set the private key |
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70 |
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*/ |
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public function setPrivateKey(CryptKeyInterface $privateKey): void |
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{ |
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$this->privateKey = $privateKey; |
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} |
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94 |
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public function setDefaultScope(string $scope): void |
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{ |
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$this->defaultScope = $scope; |
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} |
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public function revokeRefreshTokens(bool $willRevoke): void |
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{ |
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$this->revokeRefreshTokens = $willRevoke; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getClientEntityOrFail(string $clientId, ServerRequestInterface $request): ClientEntityInterface |
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{ |
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$client = parent::getClientEntityOrFail($clientId, $request); |
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3 |
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if ($this->supportsGrantType($client, $this->getIdentifier()) === false) { |
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throw OAuthServerException::unauthorizedClient(); |
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3 |
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} |
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return $client; |
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} |
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/** |
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* Returns true if the given client is authorized to use the given grant type. |
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*/ |
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protected function supportsGrantType(ClientEntityInterface $client, string $grantType): bool |
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{ |
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return method_exists($client, 'supportsGrantType') === false |
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|| $client->supportsGrantType($grantType) === true; |
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} |
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/** |
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* Validate redirectUri from the request. If a redirect URI is provided |
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* ensure it matches what is pre-registered |
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* |
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* @throws OAuthServerException |
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*/ |
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protected function validateRedirectUri( |
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string $redirectUri, |
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ClientEntityInterface $client, |
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ServerRequestInterface $request |
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): void { |
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$validator = new RedirectUriValidator($client->getRedirectUri()); |
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if (!$validator->validateRedirectUri($redirectUri)) { |
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$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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} |
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/** |
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* Validate scopes in the request. |
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* |
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* @param null|string|string[] $scopes |
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12 |
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* |
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* @throws OAuthServerException |
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* |
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* @return ScopeEntityInterface[] |
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*/ |
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public function validateScopes(string|array|null $scopes, ?string $redirectUri = null): array |
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{ |
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if ($scopes === null) { |
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$scopes = []; |
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} elseif (is_string($scopes)) { |
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$scopes = $this->convertScopesQueryStringToArray($scopes); |
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} |
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$validScopes = []; |
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foreach ($scopes as $scopeItem) { |
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$scope = $this->scopeRepository->getScopeEntityByIdentifier($scopeItem); |
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if ($scope instanceof ScopeEntityInterface === false) { |
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throw OAuthServerException::invalidScope($scopeItem, $redirectUri); |
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} |
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$validScopes[] = $scope; |
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} |
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return $validScopes; |
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} |
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/** |
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* Converts a scopes query string to an array to easily iterate for validation. |
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* |
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* @return string[] |
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1 |
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*/ |
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private function convertScopesQueryStringToArray(string $scopes): array |
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{ |
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return array_filter(explode(self::SCOPE_DELIMITER_STRING, trim($scopes)), static fn ($scope) => $scope !== ''); |
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} |
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/** |
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* Issue an access token. |
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* |
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202
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83 |
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* @param ScopeEntityInterface[] $scopes |
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203
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* |
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204
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83 |
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* @throws OAuthServerException |
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83 |
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* @throws UniqueTokenIdentifierConstraintViolationException |
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*/ |
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protected function issueAccessToken( |
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DateInterval $accessTokenTTL, |
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ClientEntityInterface $client, |
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string|null $userIdentifier, |
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array $scopes = [] |
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): AccessTokenEntityInterface { |
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$maxGenerationAttempts = self::MAX_RANDOM_TOKEN_GENERATION_ATTEMPTS; |
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215
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$accessToken = $this->accessTokenRepository->getNewToken($client, $scopes, $userIdentifier); |
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$accessToken->setExpiryDateTime((new DateTimeImmutable())->add($accessTokenTTL)); |
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$accessToken->setPrivateKey($this->privateKey); |
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67 |
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219
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while ($maxGenerationAttempts-- > 0) { |
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67 |
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$accessToken->setIdentifier($this->generateUniqueIdentifier()); |
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try { |
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$this->accessTokenRepository->persistNewAccessToken($accessToken); |
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3 |
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224
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return $accessToken; |
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} catch (UniqueTokenIdentifierConstraintViolationException $e) { |
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if ($maxGenerationAttempts === 0) { |
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throw $e; |
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63 |
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} |
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} |
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} |
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232
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// This should never be hit. It is here to work around a PHPStan false error |
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return $accessToken; |
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} |
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235
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236
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/** |
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237
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17 |
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* Issue an auth code. |
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* |
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* @param non-empty-string $userIdentifier |
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240
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* @param ScopeEntityInterface[] $scopes |
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241
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* |
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242
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17 |
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* @throws OAuthServerException |
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* @throws UniqueTokenIdentifierConstraintViolationException |
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244
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17 |
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*/ |
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245
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4 |
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protected function issueAuthCode( |
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246
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4 |
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DateInterval $authCodeTTL, |
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247
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ClientEntityInterface $client, |
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248
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string $userIdentifier, |
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249
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?string $redirectUri, |
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250
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array $scopes = [] |
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251
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): AuthCodeEntityInterface { |
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252
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$maxGenerationAttempts = self::MAX_RANDOM_TOKEN_GENERATION_ATTEMPTS; |
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253
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254
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$authCode = $this->authCodeRepository->getNewAuthCode(); |
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255
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$authCode->setExpiryDateTime((new DateTimeImmutable())->add($authCodeTTL)); |
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256
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$authCode->setClient($client); |
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257
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$authCode->setUserIdentifier($userIdentifier); |
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258
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259
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52 |
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if ($redirectUri !== null) { |
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260
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$authCode->setRedirectUri($redirectUri); |
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261
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52 |
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} |
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262
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263
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52 |
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foreach ($scopes as $scope) { |
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264
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37 |
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$authCode->addScope($scope); |
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265
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} |
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266
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267
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52 |
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while ($maxGenerationAttempts-- > 0) { |
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268
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$authCode->setIdentifier($this->generateUniqueIdentifier()); |
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269
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52 |
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try { |
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270
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52 |
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$this->authCodeRepository->persistNewAuthCode($authCode); |
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271
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272
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52 |
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return $authCode; |
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273
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7 |
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} catch (UniqueTokenIdentifierConstraintViolationException $e) { |
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274
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if ($maxGenerationAttempts === 0) { |
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275
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throw $e; |
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276
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45 |
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} |
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277
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} |
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278
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} |
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279
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45 |
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280
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// This should never be hit. It is here to work around a PHPStan false error |
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281
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return $authCode; |
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282
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} |
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283
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284
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/** |
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285
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* @throws OAuthServerException |
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286
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* @throws UniqueTokenIdentifierConstraintViolationException |
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287
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37 |
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*/ |
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288
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protected function issueRefreshToken(AccessTokenEntityInterface $accessToken): ?RefreshTokenEntityInterface |
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289
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37 |
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{ |
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290
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if ($this->supportsGrantType($accessToken->getClient(), 'refresh_token') === false) { |
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291
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return null; |
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292
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} |
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293
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294
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$refreshToken = $this->refreshTokenRepository->getNewRefreshToken(); |
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295
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|
296
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if ($refreshToken === null) { |
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297
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return null; |
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298
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} |
|
299
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|
300
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$refreshToken->setExpiryDateTime((new DateTimeImmutable())->add($this->refreshTokenTTL)); |
|
301
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100 |
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$refreshToken->setAccessToken($accessToken); |
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302
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303
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100 |
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$maxGenerationAttempts = self::MAX_RANDOM_TOKEN_GENERATION_ATTEMPTS; |
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304
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305
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100 |
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while ($maxGenerationAttempts-- > 0) { |
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306
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100 |
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$refreshToken->setIdentifier($this->generateUniqueIdentifier()); |
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307
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try { |
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308
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2 |
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$this->refreshTokenRepository->persistNewRefreshToken($refreshToken); |
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309
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|
|
310
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return $refreshToken; |
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311
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100 |
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} catch (UniqueTokenIdentifierConstraintViolationException $e) { |
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312
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80 |
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if ($maxGenerationAttempts === 0) { |
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313
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throw $e; |
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314
|
80 |
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} |
|
315
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} |
|
316
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} |
|
317
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318
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// This should never be hit. It is here to work around a PHPStan false error |
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319
|
100 |
|
return $refreshToken; |
|
320
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} |
|
321
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322
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/** |
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323
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* Generate a new unique identifier. |
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324
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* |
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325
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* @return non-empty-string |
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326
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* |
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327
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|
|
* @throws OAuthServerException |
|
328
|
|
|
*/ |
|
329
|
75 |
|
protected function generateUniqueIdentifier(int $length = 40): string |
|
330
|
|
|
{ |
|
331
|
75 |
|
try { |
|
332
|
|
|
if ($length < 1) { |
|
333
|
|
|
throw new DomainException('Length must be a positive integer'); |
|
334
|
|
|
} |
|
335
|
|
|
|
|
336
|
|
|
return bin2hex(random_bytes($length)); |
|
337
|
|
|
// @codeCoverageIgnoreStart |
|
338
|
|
|
} catch (TypeError | Error $e) { |
|
339
|
|
|
throw OAuthServerException::serverError('An unexpected error has occurred', $e); |
|
340
|
|
|
} catch (Exception $e) { |
|
341
|
|
|
// If you get this message, the CSPRNG failed hard. |
|
342
|
|
|
throw OAuthServerException::serverError('Could not generate a random string', $e); |
|
343
|
73 |
|
} |
|
344
|
|
|
// @codeCoverageIgnoreEnd |
|
345
|
73 |
|
} |
|
346
|
63 |
|
|
|
347
|
|
|
/** |
|
348
|
|
|
* {@inheritdoc} |
|
349
|
10 |
|
*/ |
|
350
|
10 |
|
public function canRespondToAccessTokenRequest(ServerRequestInterface $request): bool |
|
351
|
3 |
|
{ |
|
352
|
|
|
$requestParameters = (array) $request->getParsedBody(); |
|
353
|
|
|
|
|
354
|
7 |
|
return ( |
|
355
|
|
|
array_key_exists('grant_type', $requestParameters) |
|
356
|
7 |
|
&& $requestParameters['grant_type'] === $this->getIdentifier() |
|
357
|
1 |
|
); |
|
358
|
|
|
} |
|
359
|
|
|
|
|
360
|
6 |
|
/** |
|
361
|
2 |
|
* {@inheritdoc} |
|
362
|
|
|
*/ |
|
363
|
|
|
public function canRespondToAuthorizationRequest(ServerRequestInterface $request): bool |
|
364
|
4 |
|
{ |
|
365
|
|
|
return false; |
|
366
|
4 |
|
} |
|
367
|
|
|
|
|
368
|
|
|
/** |
|
369
|
|
|
* {@inheritdoc} |
|
370
|
4 |
|
*/ |
|
371
|
|
|
public function validateAuthorizationRequest(ServerRequestInterface $request): AuthorizationRequestInterface |
|
372
|
|
|
{ |
|
373
|
|
|
throw new LogicException('This grant cannot validate an authorization request'); |
|
374
|
|
|
} |
|
375
|
|
|
|
|
376
|
|
|
/** |
|
377
|
|
|
* {@inheritdoc} |
|
378
|
|
|
*/ |
|
379
|
|
|
public function completeAuthorizationRequest(AuthorizationRequestInterface $authorizationRequest): ResponseTypeInterface |
|
380
|
24 |
|
{ |
|
381
|
|
|
throw new LogicException('This grant cannot complete an authorization request'); |
|
382
|
24 |
|
} |
|
383
|
|
|
|
|
384
|
|
|
/** |
|
385
|
|
|
* {@inheritdoc} |
|
386
|
|
|
*/ |
|
387
|
|
|
public function canRespondToDeviceAuthorizationRequest(ServerRequestInterface $request): bool |
|
388
|
|
|
{ |
|
389
|
|
|
return false; |
|
390
|
|
|
} |
|
391
|
|
|
|
|
392
|
1 |
|
/** |
|
393
|
|
|
* {@inheritdoc} |
|
394
|
1 |
|
*/ |
|
395
|
|
|
public function respondToDeviceAuthorizationRequest(ServerRequestInterface $request): DeviceCodeResponse |
|
396
|
|
|
{ |
|
397
|
|
|
throw new LogicException('This grant cannot validate a device authorization request'); |
|
398
|
|
|
} |
|
399
|
|
|
|
|
400
|
|
|
/** |
|
401
|
|
|
* {@inheritdoc} |
|
402
|
|
|
*/ |
|
403
|
|
|
public function completeDeviceAuthorizationRequest(string $deviceCode, string $userId, bool $userApproved): void |
|
404
|
31 |
|
{ |
|
405
|
|
|
throw new LogicException('This grant cannot complete a device authorization request'); |
|
406
|
31 |
|
} |
|
407
|
|
|
|
|
408
|
|
|
/** |
|
409
|
|
|
* {@inheritdoc} |
|
410
|
|
|
*/ |
|
411
|
|
|
public function setIntervalVisibility(bool $intervalVisibility): void |
|
412
|
|
|
{ |
|
413
|
|
|
throw new LogicException('This grant does not support the interval parameter'); |
|
414
|
|
|
} |
|
415
|
|
|
|
|
416
|
|
|
/** |
|
417
|
28 |
|
* {@inheritdoc} |
|
418
|
|
|
*/ |
|
419
|
|
|
public function getIntervalVisibility(): bool |
|
420
|
|
|
{ |
|
421
|
|
|
return false; |
|
422
|
|
|
} |
|
423
|
28 |
|
|
|
424
|
|
|
/** |
|
425
|
28 |
|
* {@inheritdoc} |
|
426
|
28 |
|
*/ |
|
427
|
28 |
|
public function setIncludeVerificationUriComplete(bool $includeVerificationUriComplete): void |
|
428
|
|
|
{ |
|
429
|
28 |
|
throw new LogicException('This grant does not support the verification_uri_complete parameter'); |
|
430
|
28 |
|
} |
|
431
|
|
|
} |
|
432
|
|
|
|