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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 | } |