142 lines
3.5 KiB
PHP
142 lines
3.5 KiB
PHP
<?php
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/**
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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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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