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<?php |
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namespace kalanis\OAuth2\Grant; |
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use kalanis\OAuth2\Exceptions\UnauthorizedClientException; |
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use kalanis\OAuth2\Grant\Exceptions\InvalidGrantTypeException; |
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use kalanis\OAuth2\Http\IInput; |
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use kalanis\OAuth2\Storage\Clients\IClient; |
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use kalanis\OAuth2\Storage\Clients\IClientStorage; |
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use kalanis\OAuth2\Storage\TokenContext; |
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use Nette\Security\User; |
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/** |
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* GrantType |
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* @package kalanis\OAuth2\Grant |
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* |
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* @property-read string $identifier |
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*/ |
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abstract class GrantType implements IGrant |
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{ |
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public const SCOPE_KEY = 'scope'; |
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public const CLIENT_ID_KEY = 'client_id'; |
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public const CLIENT_SECRET_KEY = 'client_secret'; |
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public const GRANT_TYPE_KEY = 'grant_type'; |
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private ?IClient $client = null; |
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public function __construct( |
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protected IInput $input, |
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protected TokenContext $token, |
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protected IClientStorage $clientStorage, |
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protected User $user, |
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) |
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{ |
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} |
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/** |
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* Get access token |
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* @throws UnauthorizedClientException |
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* @throws InvalidGrantTypeException |
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* @return array<string, string|int> |
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*/ |
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public final function getAccessToken(): array |
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{ |
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if (!$client = $this->getClient()) { |
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throw new UnauthorizedClientException('Client is not found'); |
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} |
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$this->verifyGrantType($client); |
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$this->verifyRequest(); |
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return $this->generateAccessToken($client); |
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} |
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/** |
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* Get client |
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* @return IClient|null |
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*/ |
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private function getClient(): ?IClient |
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{ |
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if (!$this->client) { |
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$clientId = $this->input->getParameter(self::CLIENT_ID_KEY); |
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$clientSecret = $this->input->getParameter(self::CLIENT_SECRET_KEY); |
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$this->client = $this->clientStorage->getClient( |
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is_numeric($clientId) ? intval($clientId) : strval($clientId), |
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is_null($clientSecret) ? null : strval($clientSecret) |
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); |
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} |
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return $this->client; |
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} |
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/** |
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* Verify grant type |
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* @param IClient $client |
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* @throws UnauthorizedClientException |
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* @throws InvalidGrantTypeException |
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*/ |
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protected function verifyGrantType(IClient $client): void |
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{ |
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$grantType = $this->input->getParameter(self::GRANT_TYPE_KEY); |
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if (!$grantType) { |
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throw new InvalidGrantTypeException; |
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} |
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if (!$this->clientStorage->canUseGrantType($client->getId(), strval($grantType))) { |
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throw new UnauthorizedClientException; |
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} |
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} |
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/** |
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* Verify request |
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* @return void |
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*/ |
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protected abstract function verifyRequest(): void; |
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/** |
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* Generate access token |
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* @param IClient $client |
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* @return array<string, string|int> |
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*/ |
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protected abstract function generateAccessToken(IClient $client): array; |
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/** |
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* Get scope as array - allowed separators: ',' AND ' ' |
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* @return array<string> |
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*/ |
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protected function getScope(): array |
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{ |
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$scope = $this->input->getParameter(self::SCOPE_KEY); |
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return !is_array($scope) ? |
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array_filter(explode(',', str_replace(' ', ',', strval($scope)))) : |
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array_filter(array_map('strval', $scope)); |
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} |
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} |
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alex-kalanis /
oauth2
