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<?php |
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/** |
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* Created by PhpStorm. |
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* User: Alexandre |
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* Date: 24/05/2018 |
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* Time: 22:06 |
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*/ |
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namespace OAuth2\Endpoints\Authorization; |
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use GuzzleHttp\Psr7\Uri; |
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use OAuth2\AuthorizationEndpointResponseTypes\ResponseTypeInterface; |
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use OAuth2\AuthorizationEndpointResponseTypes\ResponseTypeManager; |
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use OAuth2\Exceptions\InvalidAuthorizationRequest; |
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use OAuth2\Exceptions\InvalidRequestMethod; |
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use OAuth2\Exceptions\OAuthException; |
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use OAuth2\ResponseModes\ResponseModeInterface; |
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use OAuth2\ResponseModes\ResponseModeManager; |
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use OAuth2\Roles\ClientTypes\ConfidentialClientInterface; |
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use OAuth2\Roles\ClientTypes\PublicClientInterface; |
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use OAuth2\Roles\ClientTypes\RegisteredClient; |
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use OAuth2\Roles\ResourceOwnerInterface; |
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use OAuth2\ScopePolicy\ScopePolicyManager; |
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use OAuth2\Storages\ClientStorageInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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class AuthorizationRequestBuilder |
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{ |
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/** |
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* @var ClientStorageInterface |
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*/ |
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protected $clientStorage; |
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/** |
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* @var ResponseTypeManager |
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*/ |
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protected $responseTypeManager; |
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/** |
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* @var ResponseModeManager |
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*/ |
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protected $responseModeManager; |
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/** |
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* @var ScopePolicyManager |
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*/ |
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protected $scopePolicyManager; |
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public function __construct(ClientStorageInterface $clientStorage, |
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ResponseTypeManager $responseTypeManager, |
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ResponseModeManager $responseModeManager, |
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ScopePolicyManager $scopePolicyManager) |
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{ |
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$this->clientStorage = $clientStorage; |
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$this->responseTypeManager = $responseTypeManager; |
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$this->responseModeManager = $responseModeManager; |
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$this->scopePolicyManager = $scopePolicyManager; |
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} |
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/** |
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* @param ServerRequestInterface $request |
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* @param ResourceOwnerInterface $resourceOwner |
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* @return AuthorizationRequestInterface |
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* @throws InvalidRequestMethod |
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* @throws OAuthException |
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* @throws InvalidAuthorizationRequest |
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*/ |
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public function build(ServerRequestInterface $request, ResourceOwnerInterface $resourceOwner): AuthorizationRequestInterface |
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{ |
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if ($request->getMethod() === 'GET') { |
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$data = $request->getQueryParams(); |
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} else if ($request->getMethod() === 'POST') { |
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$data = is_array($request->getParsedBody()) ? $request->getParsedBody() : []; |
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} else { |
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throw new InvalidRequestMethod(); |
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} |
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$client = $this->getClient($data['client_id'] ?? null); |
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$responseType = $this->getResponseType($client, $data['response_type'] ?? null); |
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$redirectUri = $this->getRedirectUri($client, $responseType, $data['redirect_uri'] ?? null); |
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$responseMode = $this->getResponseMode($responseType, $data['response_mode'] ?? null); |
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$state = $requestData['state'] ?? null; |
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try { |
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$requestedScopes = $this->scopePolicyManager->scopeStringToArray($data['scope'] ?? null); |
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$scopes = $this->scopePolicyManager->getScopes($client, $requestedScopes); |
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} catch (OAuthException $e) { |
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throw new InvalidAuthorizationRequest($e, $redirectUri, $responseMode, $state); |
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} |
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return new AuthorizationRequest($data, $resourceOwner, $client, $redirectUri, $responseType, $responseMode, |
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$scopes, $requestedScopes, $state); |
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} |
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/** |
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* @param null|string $clientIdentifier |
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* @return RegisteredClient |
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* @throws OAuthException |
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*/ |
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protected function getClient(?string $clientIdentifier): RegisteredClient |
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{ |
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if (empty($clientIdentifier)) { |
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throw new OAuthException('invalid_request', 'The request is missing the required parameter client_id.', |
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'https://tools.ietf.org/html/rfc6749#section-4.1'); |
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} |
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if (!($client = $this->clientStorage->get($clientIdentifier))) { |
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throw new OAuthException('invalid_request', 'The request includes the invalid parameter client_id.', |
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'https://tools.ietf.org/html/rfc6749#section-4.1'); |
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} |
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return $client; |
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} |
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protected function isRedirectUriRegistrationRequired(RegisteredClient $client, ResponseTypeInterface $responseType) |
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{ |
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if ($client instanceof PublicClientInterface || |
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($client instanceof ConfidentialClientInterface && $responseType->isRegistrationOfRedirectUriRequired())) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* @param RegisteredClient $client |
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* @param ResponseTypeInterface $responseType |
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* @return array|null |
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* @throws OAuthException |
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*/ |
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protected function getRegisteredRedirectUris(RegisteredClient $client, ResponseTypeInterface $responseType) |
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{ |
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$redirectUris = $client->getMetadata()->getRedirectUris(); |
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if (empty($redirectUris) && $this->isRedirectUriRegistrationRequired($client, $responseType)) { |
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throw new OAuthException('invalid_request', |
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'Clients using flows with redirection MUST register their redirection URI values', |
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'https://tools.ietf.org/html/rfc7591#section-2.1'); |
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} |
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return $redirectUris; |
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} |
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/** |
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* @param RegisteredClient $client |
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* @param ResponseTypeInterface $responseType |
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* @param null|string $requestRedirectUri |
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* @return Uri |
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* @throws OAuthException |
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*/ |
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protected function getRedirectUri(RegisteredClient $client, ResponseTypeInterface $responseType, |
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?string $requestRedirectUri = null) |
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{ |
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$registeredRedirectUris = $this->getRegisteredRedirectUris($client, $responseType); |
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if (!$requestRedirectUri) { |
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if (count($registeredRedirectUris) != 1) { |
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throw new OAuthException('invalid_request', |
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'The request is missing the required parameter redirect_uri.', |
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'https://tools.ietf.org/html/rfc6749#section-4.1'); |
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} |
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$requestRedirectUri = $registeredRedirectUris[0]; |
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} else if (!empty($registeredRedirectUris) && !in_array($requestRedirectUri, $registeredRedirectUris)) { |
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throw new OAuthException('invalid_request', |
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'The request is missing the required parameter redirect_uri.', |
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'https://tools.ietf.org/html/rfc6749#section-4.1'); |
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} |
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try { |
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$redirectUri = new Uri($requestRedirectUri); |
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if ($redirectUri->getFragment()) { |
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throw new \InvalidArgumentException('The endpoint URI must not include a fragment component.'); |
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} |
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} catch (\InvalidArgumentException $e) { |
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throw new OAuthException('invalid_request', |
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'The request includes the malformed parameter redirect_uri. ' . $e->getMessage(), |
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'https://tools.ietf.org/html/rfc6749#section-4.1'); |
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} |
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return $redirectUri; |
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} |
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/** |
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* @param RegisteredClient $client |
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* @param null|string $requestResponseType |
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* @return ResponseTypeInterface |
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* @throws OAuthException |
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*/ |
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protected function getResponseType(RegisteredClient $client, ?string $requestResponseType = null): ResponseTypeInterface |
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{ |
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if (empty($requestResponseType)) { |
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throw new OAuthException('invalid_request', |
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'The request is missing the required parameter response_type.', |
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'https://tools.ietf.org/html/rfc6749#section-4.1'); |
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} |
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if (!($responseType = $this->responseTypeManager->getResponseType($requestResponseType))) { |
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throw new OAuthException('invalid_request', |
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'The request includes the invalid parameter response_type.', |
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'https://tools.ietf.org/html/rfc6749#section-4.1'); |
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} |
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$supportedResponseTypes = $client->getMetadata()->getResponseTypes() ?: ['code']; |
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foreach (explode(' ', $requestResponseType) as $type) { |
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if (!in_array($type, $supportedResponseTypes)) { |
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throw new OAuthException('unsupported_response_type', |
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'The authorization server does not support obtaining an authorization code using this method.', |
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'https://tools.ietf.org/html/rfc6749#section-4.1'); |
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} |
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} |
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return $responseType; |
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} |
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/** |
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* @param ResponseTypeInterface $responseType |
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* @param null|string $requestResponseMode |
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* @return ResponseModeInterface |
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* @throws OAuthException |
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*/ |
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protected function getResponseMode(ResponseTypeInterface $responseType, ?string $requestResponseMode = null): ResponseModeInterface |
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{ |
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$responseModeIdentifier = $responseType->getDefaultResponseMode(); |
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if (!empty($requestResponseMode)) { |
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$responseModeIdentifier = $requestResponseMode; |
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} |
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if (!($responseMode = $this->responseModeManager->getResponseMode($responseModeIdentifier))) { |
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throw new OAuthException('invalid_request', 'response_mode invalid'); |
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} |
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if (in_array($responseModeIdentifier, $responseType->getUnsupportedResponseModes())) { |
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throw new OAuthException('invalid_request', 'response_mode unsupported'); |
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} |
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return $responseMode; |
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} |
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} |