Generate backups code notification if not enable but 2fa is

Generate a notification to generate backup codes if you enable an other
2FA provider but backup codes are not yet generated.

* Add event listner
* Insert background job
* Background job tests and emits notification every 2 weeks
* If the backup codes are generated the next run will remove the job

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

1 files changed, 92 insertions, 0 deletions

diff --git a/apps/twofactor_backupcodes/lib/BackgroundJob/RememberBackupCodesJob.php b/apps/twofactor_backupcodes/lib/BackgroundJob/RememberBackupCodesJob.php
new file mode 100644
index 00000000000..1f227061feb
--- /dev/null
+++ b/apps/twofactor_backupcodes/lib/BackgroundJob/RememberBackupCodesJob.php
@@ -0,0 +1,92 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\TwoFactorBackupCodes\BackgroundJob;
+
+use OC\BackgroundJob\TimedJob;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\Authentication\TwoFactorAuth\IRegistry;
+use OCP\BackgroundJob\IJobList;
+use OCP\IUserManager;
+use OCP\Notification\IManager;
+
+class RememberBackupCodesJob extends TimedJob {
+
+	/** @var IRegistry */
+	private $registry;
+
+	/** @var IUserManager */
+	private $userManager;
+
+	/** @var ITimeFactory */
+	private $time;
+
+	/** @var IManager */
+	private $notificationManager;
+
+	/** @var IJobList */
+	private $jobList;
+
+	public function __construct(IRegistry $registry,
+								IUserManager $userManager,
+								ITimeFactory $timeFactory,
+								IManager $notificationManager,
+								IJobList $jobList) {
+		$this->registry = $registry;
+		$this->userManager = $userManager;
+		$this->time = $timeFactory;
+		$this->notificationManager = $notificationManager;
+		$this->jobList = $jobList;
+
+		$this->setInterval(60*60*24*14);
+	}
+
+	protected function run($argument) {
+		$uid = $argument['uid'];
+		$user = $this->userManager->get($uid);
+
+		if ($user === null) {
+			// We can't run with an invalid user
+			return;
+		}
+
+		$providers = $this->registry->getProviderStates($user);
+		if (isset($providers['backup_codes']) && $providers['backup_codes'] === true) {
+			// Backup codes already generated lets remove this job
+			$this->jobList->remove(self::class, $argument);
+			return;
+		}
+
+		$date = new \DateTime();
+		$date->setTimestamp($this->time->getTime());
+
+		$notification = $this->notificationManager->createNotification();
+		$notification->setApp('twofactor_backupcodes')
+			->setUser($user->getUID())
+			->setDateTime($date)
+			->setObject('create', 'codes')
+			->setSubject('create_backupcodes');
+		$this->notificationManager->notify($notification);
+	}
+}