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<?php |
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/** |
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* @author Christoph Wurst <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OCA\TwoFactorBackupCodes\Provider; |
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use OC\App\AppManager; |
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use OCA\TwoFactorBackupCodes\Service\BackupCodeStorage; |
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use OCP\Authentication\TwoFactorAuth\IProvider; |
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use OCP\IL10N; |
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use OCP\IUser; |
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use OCP\Template; |
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class BackupCodesProvider implements IProvider { |
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/** @var string */ |
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private $appName; |
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/** @var BackupCodeStorage */ |
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private $storage; |
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/** @var IL10N */ |
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private $l10n; |
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/** @var AppManager */ |
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private $appManager; |
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/** |
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* @param string $appName |
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* @param BackupCodeStorage $storage |
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* @param IL10N $l10n |
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* @param AppManager $appManager |
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*/ |
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public function __construct($appName, BackupCodeStorage $storage, IL10N $l10n, AppManager $appManager) { |
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$this->appName = $appName; |
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$this->l10n = $l10n; |
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$this->storage = $storage; |
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$this->appManager = $appManager; |
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} |
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/** |
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* Get unique identifier of this 2FA provider |
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* |
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* @return string |
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*/ |
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public function getId() { |
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return 'backup_codes'; |
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} |
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/** |
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* Get the display name for selecting the 2FA provider |
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* |
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* @return string |
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*/ |
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public function getDisplayName() { |
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return $this->l10n->t('Backup code'); |
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} |
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/** |
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* Get the description for selecting the 2FA provider |
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* |
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* @return string |
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*/ |
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public function getDescription() { |
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return $this->l10n->t('Use backup code'); |
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} |
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/** |
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* Get the template for rending the 2FA provider view |
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* |
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* @param IUser $user |
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* @return Template |
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*/ |
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public function getTemplate(IUser $user) { |
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$tmpl = new Template('twofactor_backupcodes', 'challenge'); |
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return $tmpl; |
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} |
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/** |
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* Verify the given challenge |
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* |
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* @param IUser $user |
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* @param string $challenge |
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*/ |
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public function verifyChallenge(IUser $user, $challenge) { |
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return $this->storage->validateCode($user, $challenge); |
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} |
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/** |
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* Decides whether 2FA is enabled for the given user |
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* |
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* @param IUser $user |
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* @return boolean |
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*/ |
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public function isTwoFactorAuthEnabledForUser(IUser $user) { |
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return $this->storage->hasBackupCodes($user); |
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} |
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/** |
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* Determine whether backup codes should be active or not |
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* |
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* Backup codes only make sense if at least one 2FA provider is active, |
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* hence this method checks all enabled apps on whether they provide 2FA |
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* functionality or not. If there's at least one app, backup codes are |
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* enabled on the personal settings page. |
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* |
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* @param IUser $user |
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* @return boolean |
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*/ |
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public function isActive(IUser $user) { |
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$appIds = array_filter($this->appManager->getEnabledAppsForUser($user), function($appId) { |
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return $appId !== $this->appName; |
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}); |
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foreach ($appIds as $appId) { |
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$info = $this->appManager->getAppInfo($appId); |
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if (isset($info['two-factor-providers']) && count($info['two-factor-providers']) > 0) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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nextcloud /
server
