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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) 2020 (original work) Open Assessment Technologies SA; |
| 19 | */ |
| 20 | |
| 21 | declare(strict_types=1); |
| 22 | |
| 23 | namespace oat\tao\model\security\DataAccess\Repository; |
| 24 | |
| 25 | use oat\tao\model\security\Business\Contract\SecuritySettingsRepositoryInterface; |
| 26 | use oat\tao\model\security\Business\Domain\Setting; |
| 27 | use oat\tao\model\security\Business\Domain\SettingsCollection; |
| 28 | use oat\tao\model\service\InjectionAwareService; |
| 29 | use oat\tao\model\settings\SettingsStorageInterface; |
| 30 | |
| 31 | class SecuritySettingsRepository extends InjectionAwareService implements SecuritySettingsRepositoryInterface |
| 32 | { |
| 33 | public const CONTENT_SECURITY_POLICY = 'cspHeader'; |
| 34 | public const CONTENT_SECURITY_POLICY_WHITELIST = 'cspHeaderList'; |
| 35 | public const STRICT_TRANSPORT_SECURITY = 'tlsHeader'; |
| 36 | |
| 37 | private const SETTING_KEYS = [ |
| 38 | self::CONTENT_SECURITY_POLICY, |
| 39 | self::CONTENT_SECURITY_POLICY_WHITELIST, |
| 40 | self::STRICT_TRANSPORT_SECURITY, |
| 41 | ]; |
| 42 | |
| 43 | private const MULTILINE_VALUE_KEYS = [ |
| 44 | self::CONTENT_SECURITY_POLICY_WHITELIST, |
| 45 | ]; |
| 46 | |
| 47 | /** @var SettingsStorageInterface */ |
| 48 | private $storage; |
| 49 | |
| 50 | /** @noinspection MagicMethodsValidityInspection */ |
| 51 | /** @noinspection PhpMissingParentConstructorInspection */ |
| 52 | public function __construct(SettingsStorageInterface $storage) |
| 53 | { |
| 54 | $this->storage = $storage; |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * @inheritDoc |
| 59 | */ |
| 60 | public function findAll(): SettingsCollection |
| 61 | { |
| 62 | return new SettingsCollection( |
| 63 | ...array_map( |
| 64 | [$this, 'createSetting'], |
| 65 | self::SETTING_KEYS |
| 66 | ) |
| 67 | ); |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * @inheritDoc |
| 72 | */ |
| 73 | public function persist(SettingsCollection $settings): void |
| 74 | { |
| 75 | foreach ($settings as $setting) { |
| 76 | $this->storage->set( |
| 77 | $setting->getKey(), |
| 78 | $this->extractPersistenceValue($setting) |
| 79 | ); |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | private function createSetting(string $key): Setting |
| 84 | { |
| 85 | $rawValue = $this->storage->get($key) ?: ''; |
| 86 | |
| 87 | if ($rawValue && $this->isMultilineValueKey($key)) { |
| 88 | $rawValue = implode("\n", json_decode($rawValue, true) ?? []); |
| 89 | } |
| 90 | |
| 91 | return new Setting($key, $rawValue); |
| 92 | } |
| 93 | |
| 94 | private function isMultilineValueKey(string $key): bool |
| 95 | { |
| 96 | return in_array($key, self::MULTILINE_VALUE_KEYS, true); |
| 97 | } |
| 98 | |
| 99 | private function extractPersistenceValue(Setting $setting): string |
| 100 | { |
| 101 | if (!$this->isMultilineValueKey($setting->getKey())) { |
| 102 | return $setting->getValue(); |
| 103 | } |
| 104 | |
| 105 | return json_encode( |
| 106 | array_filter( |
| 107 | array_map('trim', explode("\n", $setting->getValue())) |
| 108 | ) |
| 109 | ); |
| 110 | } |
| 111 | } |