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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2013 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT); |
| 19 | */ |
| 20 | |
| 21 | namespace oat\taoLti\models\classes\Lis; |
| 22 | |
| 23 | use common_http_InvalidSignatureException; |
| 24 | use common_user_auth_Adapter; |
| 25 | use common_user_User; |
| 26 | use oat\tao\model\oauth\lockout\LockOutException; |
| 27 | use Psr\Http\Message\ServerRequestInterface; |
| 28 | use Zend\ServiceManager\ServiceLocatorAwareInterface; |
| 29 | use Zend\ServiceManager\ServiceLocatorAwareTrait; |
| 30 | |
| 31 | class LisAuthAdapter implements common_user_auth_Adapter, ServiceLocatorAwareInterface |
| 32 | { |
| 33 | use ServiceLocatorAwareTrait; |
| 34 | |
| 35 | /** @var ServerRequestInterface */ |
| 36 | protected $request; |
| 37 | |
| 38 | public function __construct(ServerRequestInterface $request) |
| 39 | { |
| 40 | $this->request = $request; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * @return common_user_User|LtiProviderUser |
| 45 | * @throws LisAuthAdapterException |
| 46 | */ |
| 47 | public function authenticate() |
| 48 | { |
| 49 | $oauthService = $this->getLisOauthService(); |
| 50 | try { |
| 51 | /** @var LisOAuthConsumer $oauthConsumer */ |
| 52 | [$oauthConsumer, $token] = $oauthService->validatePsrRequest($this->request); |
| 53 | } catch (common_http_InvalidSignatureException | LockOutException $exception) { |
| 54 | // to meet interface requirement |
| 55 | throw new LisAuthAdapterException( |
| 56 | $exception->getMessage(), |
| 57 | $exception->getCode(), |
| 58 | $exception |
| 59 | ); |
| 60 | } |
| 61 | |
| 62 | return new LtiProviderUser($oauthConsumer->getLtiProvider()); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * @return LisOauthService |
| 67 | */ |
| 68 | private function getLisOauthService() |
| 69 | { |
| 70 | /** @noinspection PhpIncompatibleReturnTypeInspection */ |
| 71 | return $this->getServiceLocator()->get(LisOauthService::SERVICE_ID); |
| 72 | } |
| 73 | } |