Do not send notification if no active 2fa

If the job is still present we should also not fire it off if there is
not a single active 2FA provider.

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

apps/twofactor_backupcodes/lib/BackgroundJob/RememberBackupCodesJob.php

@@ -70,7 +70,15 @@ class RememberBackupCodesJob extends TimedJob {
 		}
 
 		$providers = $this->registry->getProviderStates($user);
-		if (isset($providers['backup_codes']) && $providers['backup_codes'] === true) {
+		$state2fa = array_reduce($providers, function(bool $carry, bool $state) {
+			return $carry || $state;
+		}, false);
+
+		/*
+		 * If no provider is active or if the backup codes are already generate
+		 * we can remove the job
+		 */
+		if ($state2fa === false || (isset($providers['backup_codes']) && $providers['backup_codes'] === true)) {
 			// Backup codes already generated lets remove this job
 			$this->jobList->remove(self::class, $argument);
 			return;

apps/twofactor_backupcodes/tests/Unit/BackgroundJob/RememberBackupCodesJobTest.php

@@ -114,6 +114,34 @@ class RememberBackupCodesJobTest extends TestCase {
 		$this->invokePrivate($this->job, 'run', [['uid' => 'validUID']]);
 	}
 
+	public function testNoActiveProvider() {
+		$user = $this->createMock(IUser::class);
+		$user->method('getUID')
+			->willReturn('validUID');
+		$this->userManager->method('get')
+			->with('validUID')
+			->willReturn($user);
+
+		$this->registry->method('getProviderStates')
+			->with($user)
+			->willReturn([
+				'backup_codes' => false,
+				'foo' => false,
+			]);
+
+		$this->jobList->expects($this->once())
+			->method('remove')
+			->with(
+				RememberBackupCodesJob::class,
+				['uid' => 'validUID']
+			);
+
+		$this->notificationManager->expects($this->never())
+			->method($this->anything());
+
+		$this->invokePrivate($this->job, 'run', [['uid' => 'validUID']]);
+	}
+
 	public function testNotificationSend() {
 		$user = $this->createMock(IUser::class);
 		$user->method('getUID')
@@ -125,7 +153,8 @@ class RememberBackupCodesJobTest extends TestCase {
 		$this->registry->method('getProviderStates')
 			->with($user)
 			->willReturn([
-				'backup_codes' => false
+				'backup_codes' => false,
+				'foo' => true,
 			]);
 
 		$this->jobList->expects($this->never())