fix: Skip users that still exist in backend

Signed-off-by: Ferdinand Thiessen <[email protected]>
nextcloud · Sep 11, 2024 · 9b70c7e · 9b70c7e
1 parent b714280
commit 9b70c7e
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Showing 4 changed files with 24 additions and 6 deletions.
diff --git a/lib/composer/composer/autoload_classmap.php b/lib/composer/composer/autoload_classmap.php
@@ -1993,14 +1993,14 @@
     'OC\\User\\BackgroundJobs\\CleanupDeletedUsers' => $baseDir . '/lib/private/User/BackgroundJobs/CleanupDeletedUsers.php',
     'OC\\User\\Database' => $baseDir . '/lib/private/User/Database.php',
     'OC\\User\\DisplayNameCache' => $baseDir . '/lib/private/User/DisplayNameCache.php',
-    'OC\\User\\FailedUsersBackend' => $baseDir . '/lib/private/User/FailedUsersBackend.php',
     'OC\\User\\LazyUser' => $baseDir . '/lib/private/User/LazyUser.php',
     'OC\\User\\Listeners\\BeforeUserDeletedListener' => $baseDir . '/lib/private/User/Listeners/BeforeUserDeletedListener.php',
     'OC\\User\\Listeners\\UserChangedListener' => $baseDir . '/lib/private/User/Listeners/UserChangedListener.php',
     'OC\\User\\LoginException' => $baseDir . '/lib/private/User/LoginException.php',
     'OC\\User\\Manager' => $baseDir . '/lib/private/User/Manager.php',
     'OC\\User\\NoUserException' => $baseDir . '/lib/private/User/NoUserException.php',
     'OC\\User\\OutOfOfficeData' => $baseDir . '/lib/private/User/OutOfOfficeData.php',
+    'OC\\User\\PartiallyDeletedUsersBackend' => $baseDir . '/lib/private/User/PartiallyDeletedUsersBackend.php',
     'OC\\User\\Session' => $baseDir . '/lib/private/User/Session.php',
     'OC\\User\\User' => $baseDir . '/lib/private/User/User.php',
     'OC_API' => $baseDir . '/lib/private/legacy/OC_API.php',

diff --git a/lib/composer/composer/autoload_static.php b/lib/composer/composer/autoload_static.php
@@ -2026,14 +2026,14 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
         'OC\\User\\BackgroundJobs\\CleanupDeletedUsers' => __DIR__ . '/../../..' . '/lib/private/User/BackgroundJobs/CleanupDeletedUsers.php',
         'OC\\User\\Database' => __DIR__ . '/../../..' . '/lib/private/User/Database.php',
         'OC\\User\\DisplayNameCache' => __DIR__ . '/../../..' . '/lib/private/User/DisplayNameCache.php',
-        'OC\\User\\FailedUsersBackend' => __DIR__ . '/../../..' . '/lib/private/User/FailedUsersBackend.php',
         'OC\\User\\LazyUser' => __DIR__ . '/../../..' . '/lib/private/User/LazyUser.php',
         'OC\\User\\Listeners\\BeforeUserDeletedListener' => __DIR__ . '/../../..' . '/lib/private/User/Listeners/BeforeUserDeletedListener.php',
         'OC\\User\\Listeners\\UserChangedListener' => __DIR__ . '/../../..' . '/lib/private/User/Listeners/UserChangedListener.php',
         'OC\\User\\LoginException' => __DIR__ . '/../../..' . '/lib/private/User/LoginException.php',
         'OC\\User\\Manager' => __DIR__ . '/../../..' . '/lib/private/User/Manager.php',
         'OC\\User\\NoUserException' => __DIR__ . '/../../..' . '/lib/private/User/NoUserException.php',
         'OC\\User\\OutOfOfficeData' => __DIR__ . '/../../..' . '/lib/private/User/OutOfOfficeData.php',
+        'OC\\User\\PartiallyDeletedUsersBackend' => __DIR__ . '/../../..' . '/lib/private/User/PartiallyDeletedUsersBackend.php',
         'OC\\User\\Session' => __DIR__ . '/../../..' . '/lib/private/User/Session.php',
         'OC\\User\\User' => __DIR__ . '/../../..' . '/lib/private/User/User.php',
         'OC_API' => __DIR__ . '/../../..' . '/lib/private/legacy/OC_API.php',

diff --git a/lib/private/User/BackgroundJobs/CleanupDeletedUsers.php b/lib/private/User/BackgroundJobs/CleanupDeletedUsers.php
@@ -8,10 +8,11 @@
  */
 namespace OC\User\BackgroundJobs;
 
-use OC\User\FailedUsersBackend;
 use OC\User\Manager;
+use OC\User\PartiallyDeletedUsersBackend;
 use OC\User\User;
 use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\BackgroundJob\IJob;
 use OCP\BackgroundJob\TimedJob;
 use OCP\EventDispatcher\IEventDispatcher;
 use OCP\IConfig;
@@ -25,11 +26,12 @@ public function __construct(
 		private LoggerInterface $logger,
 	) {
 		parent::__construct($time);
-		$this->setInterval(3600);
+		$this->setTimeSensitivity(IJob::TIME_INSENSITIVE);
+		$this->setInterval(24 * 3600);
 	}
 
 	protected function run($argument): void {
-		$backend = new FailedUsersBackend($this->config);
+		$backend = new PartiallyDeletedUsersBackend($this->config);
 		$users = $backend->getUsers();
 
 		if (empty($users)) {
@@ -38,6 +40,12 @@ protected function run($argument): void {
 		}
 
 		foreach ($users as $userId) {
+			if ($this->userManager->userExists($userId)) {
+				$this->logger->info('Skipping user {userId}, marked as deleted, as they still exists in user backend.', ['userId' => $userId]);
+				$backend->unmarkUser($userId);
+				continue;
+			}
+
 			try {
 				$user = new User(
 					$userId,

diff --git a/lib/private/User/FailedUsersBackend.php → ...ate/User/PartiallyDeletedUsersBackend.php b/lib/private/User/FailedUsersBackend.php → ...ate/User/PartiallyDeletedUsersBackend.php
@@ -15,7 +15,7 @@
  * but not properly removed from Nextcloud (e.g. an exception occurred).
  * This backend is only needed because some APIs in user-deleted-events require a "real" user with backend.
  */
-class FailedUsersBackend extends Backend implements IGetHomeBackend, IUserBackend {
+class PartiallyDeletedUsersBackend extends Backend implements IGetHomeBackend, IUserBackend {
 
 	public function __construct(
 		private IConfig $config,
@@ -43,4 +43,14 @@ public function getUsers($search = '', $limit = null, $offset = null) {
 		return $this->config->getUsersForUserValue('core', 'deleted', 'true');
 	}
 
+	/**
+	 * Unmark a user as deleted.
+	 * This typically the case if the user deletion failed in the backend but before the backend deleted the user,
+	 * meaning the user still exists so we unmark them as it still can be accessed (and deleted) normally.
+	 */
+	public function unmarkUser(string $userId): void {
+		$this->config->deleteUserValue($userId, 'core', 'deleted');
+		$this->config->deleteUserValue($userId, 'core', 'deleted.backup-home');
+	}
+
 }