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1
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) 2020 (original work) Open Assessment Technologies SA;
19 */
20
21declare(strict_types=1);
22
23namespace oat\taoLti\models\classes\Security\DataAccess\Repository;
24
25use oat\oatbox\cache\SimpleCache;
26use oat\oatbox\service\ConfigurableService;
27use oat\tao\model\security\Business\Contract\JwksRepositoryInterface;
28use oat\tao\model\security\Business\Domain\Key\Jwks;
29use Psr\SimpleCache\CacheInterface;
30
31class CachedPlatformJwksRepository extends ConfigurableService implements JwksRepositoryInterface
32{
33    public const JWKS_KEY = 'PLATFORM_JWKS';
34
35    public function find(): Jwks
36    {
37        if ($this->getCacheService()->has(self::JWKS_KEY)) {
38            $jwks = $this->getCacheService()->get(self::JWKS_KEY);
39
40            return new Jwks(...$jwks['keys']);
41        }
42
43        $jwks = $this->getJwksRepository()->find();
44
45        $this->getCacheService()->set(self::JWKS_KEY, $jwks->jsonSerialize());
46
47        return $jwks;
48    }
49
50    private function getJwksRepository(): JwksRepositoryInterface
51    {
52        return $this->getServiceLocator()->get(PlatformJwksRepository::class);
53    }
54
55    private function getCacheService(): CacheInterface
56    {
57        return $this->getServiceLocator()->get(SimpleCache::SERVICE_ID);
58    }
59}