1 files changed, 63 insertions, 0 deletions
diff --git a/lib/private/Security/VerificationToken/CleanUpJob.php b/lib/private/Security/VerificationToken/CleanUpJob.php
new file mode 100644
index 00000000000..ba8f4352f80
--- /dev/null
+++ b/lib/private/Security/VerificationToken/CleanUpJob.php
@@ -0,0 +1,63 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OC\Security\VerificationToken;
+
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\BackgroundJob\IJobList;
+use OCP\BackgroundJob\Job;
+use OCP\IConfig;
+use OCP\IUserManager;
+use OCP\Security\VerificationToken\InvalidTokenException;
+use OCP\Security\VerificationToken\IVerificationToken;
+
+class CleanUpJob extends Job {
+	protected ?int $runNotBefore = null;
+	protected ?string $userId = null;
+	protected ?string $subject = null;
+	protected ?string $pwdPrefix = null;
+
+	public function __construct(
+		ITimeFactory $time,
+		private IConfig $config,
+		private IVerificationToken $verificationToken,
+		private IUserManager $userManager,
+	) {
+		parent::__construct($time);
+	}
+
+	public function setArgument($argument): void {
+		parent::setArgument($argument);
+		$args = \json_decode($argument, true);
+		$this->userId = (string)$args['userId'];
+		$this->subject = (string)$args['subject'];
+		$this->pwdPrefix = (string)$args['pp'];
+		$this->runNotBefore = (int)$args['notBefore'];
+	}
+
+	protected function run($argument): void {
+		try {
+			$user = $this->userManager->get($this->userId);
+			if ($user === null) {
+				return;
+			}
+			$this->verificationToken->check('irrelevant', $user, $this->subject, $this->pwdPrefix);
+		} catch (InvalidTokenException $e) {
+			if ($e->getCode() === InvalidTokenException::TOKEN_EXPIRED) {
+				// make sure to only remove expired tokens
+				$this->config->deleteUserValue($this->userId, 'core', $this->subject);
+			}
+		}
+	}
+
+	public function start(IJobList $jobList): void {
+		if ($this->time->getTime() >= $this->runNotBefore) {
+			$jobList->remove($this, $this->argument);
+			parent::start($jobList);
+		}
+	}
+}