From 6204acd8b804bb6f191d17b187ff03b2d7107170 Mon Sep 17 00:00:00 2001
From: Maxence Lange <maxence@artificial-owl.com>
Date: Mon, 19 Aug 2024 12:49:04 -0100
Subject: [PATCH] filter malformed accesslist Signed-off-by: Maxence Lange
 <maxence@artificial-owl.com>

---
 lib/Service/LocalFilesService.php | 65 ++++++-------------------------
 1 file changed, 12 insertions(+), 53 deletions(-)

diff --git a/lib/Service/LocalFilesService.php b/lib/Service/LocalFilesService.php
index dbb1feb1..24be21af 100644
--- a/lib/Service/LocalFilesService.php
+++ b/lib/Service/LocalFilesService.php
@@ -37,13 +37,13 @@
 use OCA\Files_FullTextSearch\Exceptions\KnownFileSourceException;
 use OCA\Files_FullTextSearch\Model\FilesDocument;
 use OCA\Files_FullTextSearch\Model\FileShares;
-use OCP\Files\IRootFolder;
 use OCP\Files\Node;
 use OCP\FullTextSearch\Model\IDocumentAccess;
 use OCP\IGroupManager;
 use OCP\IUserManager;
 use OCP\Share\IManager;
 use OCP\Share\IShare;
+use Psr\Log\LoggerInterface;
 
 /**
  * Class LocalFilesService
@@ -51,54 +51,13 @@
  * @package OCA\Files_FullTextSearch\Service
  */
 class LocalFilesService {
-
-
-	/** @var IRootFolder */
-	private $rootFolder;
-
-	/** @var IGroupManager */
-	private $groupManager;
-
-	/** @var IUserManager */
-	private $userManager;
-
-	/** @var IManager */
-	private $shareManager;
-
-	/** @var SharesRequest */
-	private $sharesRequest;
-
-	/** @var ConfigService */
-	private $configService;
-
-	/** @var MiscService */
-	private $miscService;
-
-
-	/**
-	 * LocalFilesService constructor.
-	 *
-	 * @param IRootFolder $rootFolder
-	 * @param IGroupManager $groupManager
-	 * @param IUserManager $userManager
-	 * @param IManager $shareManager
-	 * @param SharesRequest $sharesRequest
-	 * @param ConfigService $configService
-	 * @param MiscService $miscService
-	 */
 	public function __construct(
-		IRootFolder $rootFolder, IGroupManager $groupManager, IUserManager $userManager,
-		IManager $shareManager, SharesRequest $sharesRequest, ConfigService $configService,
-		MiscService $miscService
+		private IGroupManager $groupManager,
+		private IUserManager $userManager,
+		private IManager $shareManager,
+		private SharesRequest $sharesRequest,
+		private LoggerInterface $logger,
 	) {
-		$this->rootFolder = $rootFolder;
-		$this->groupManager = $groupManager;
-		$this->userManager = $userManager;
-		$this->shareManager = $shareManager;
-
-		$this->sharesRequest = $sharesRequest;
-		$this->configService = $configService;
-		$this->miscService = $miscService;
 	}
 
 
@@ -163,16 +122,16 @@ public function getShareUsersFromFile(Node $file, array &$users) {
 			return;
 		}
 
-		if (!array_key_exists('users', $shares)) {
-			return;
-		}
-
-		foreach ($shares['users'] as $user => $node) {
+		foreach ($shares['users'] ?? [] as $user => $node) {
+			if (!is_string($user)) {
+				$this->logger->warning('malformed access list: ' . json_encode($shares));
+				continue;
+			}
 			if (in_array($user, $users) || $this->userManager->get($user) === null) {
 				continue;
 			}
 
-			array_push($users, $user);
+			$users[] = $user;
 		}
 	}