[stable26] fix(sharing): set name to target name in sharing cache

apps/files_sharing/lib/Cache.php

@@ -41,6 +41,7 @@
 use OCP\Files\StorageNotAvailableException;
 use OCP\ICacheFactory;
 use OCP\IUserManager;
+use OCP\Share\IShare;
 
 /**
  * Metadata cache for shared files
@@ -55,15 +56,22 @@ class Cache extends CacheJail {
 	private ?string $ownerDisplayName = null;
 	private $numericId;
 	private DisplayNameCache $displayNameCache;
+	private IShare $share;
 
 	/**
 	 * @param SharedStorage $storage
 	 */
-	public function __construct($storage, ICacheEntry $sourceRootInfo, DisplayNameCache $displayNameCache) {
+	public function __construct(
+		$storage,
+		ICacheEntry $sourceRootInfo,
+		DisplayNameCache $displayNameCache,
+		IShare $share
+	) {
 		$this->storage = $storage;
 		$this->sourceRootInfo = $sourceRootInfo;
 		$this->numericId = $sourceRootInfo->getStorageId();
 		$this->displayNameCache = $displayNameCache;
+		$this->share = $share;
 
 		parent::__construct(
 			null,
@@ -150,16 +158,20 @@ protected function formatCacheEntry($entry, $path = null) {
 
 		try {
 			if (isset($entry['permissions'])) {
-				$entry['permissions'] &= $this->storage->getShare()->getPermissions();
+				$entry['permissions'] &= $this->share->getPermissions();
 			} else {
 				$entry['permissions'] = $this->storage->getPermissions($entry['path']);
 			}
+
+			if ($this->share->getNodeId() === $entry['fileid']) {
+				$entry['name'] = basename($this->share->getTarget());
+			}
 		} catch (StorageNotAvailableException $e) {
 			// thrown by FailedStorage e.g. when the sharer does not exist anymore
 			// (IDE may say the exception is never thrown – false negative)
 			$sharePermissions = 0;
 		}
-		$entry['uid_owner'] = $this->storage->getOwner('');
+		$entry['uid_owner'] = $this->share->getShareOwner();
 		$entry['displayname_owner'] = $this->getOwnerDisplayName();
 		if ($path === '') {
 			$entry['is_share_mount_point'] = true;
@@ -169,7 +181,7 @@ protected function formatCacheEntry($entry, $path = null) {
 
 	private function getOwnerDisplayName() {
 		if (!$this->ownerDisplayName) {
-			$uid = $this->storage->getOwner('');
+			$uid = $this->share->getShareOwner();
 			$this->ownerDisplayName = $this->displayNameCache->getDisplayName($uid) ?? $uid;
 		}
 		return $this->ownerDisplayName;

apps/files_sharing/lib/SharedStorage.php

@@ -415,7 +415,8 @@ public function getCache($path = '', $storage = null) {
 		$this->cache = new \OCA\Files_Sharing\Cache(
 			$storage,
 			$sourceRoot,
-			\OC::$server->get(DisplayNameCache::class)
+			\OC::$server->get(DisplayNameCache::class),
+			$this->getShare()
 		);
 		return $this->cache;
 	}

apps/files_sharing/tests/CacheTest.php

@@ -88,6 +88,7 @@ protected function setUp(): void {
 		$this->view->file_put_contents('container/shareddir/subdir/another.txt', $textData);
 		$this->view->file_put_contents('container/shareddir/subdir/another too.txt', $textData);
 		$this->view->file_put_contents('container/shareddir/subdir/not a text file.xml', '<xml></xml>');
+		$this->view->file_put_contents('simplefile.txt', $textData);
 
 		[$this->ownerStorage,] = $this->view->resolvePath('');
 		$this->ownerCache = $this->ownerStorage->getCache();
@@ -302,6 +303,42 @@ public function testGetFolderContentsInSubdir() {
 		);
 	}
 
+	/**
+	 * This covers a bug where the share owners name was propagated
+	 * to the recipient in the recent files API response where the
+	 * share recipient has a different target set
+	 *
+	 * https://github.com/nextcloud/server/issues/39879
+	 */
+	public function testShareRenameOriginalFileInRecentResults() {
+		self::loginHelper(self::TEST_FILES_SHARING_API_USER1);
+
+		$rootFolder = \OC::$server->getUserFolder(self::TEST_FILES_SHARING_API_USER1);
+		$node = $rootFolder->get('simplefile.txt');
+		$share = $this->shareManager->newShare();
+		$share->setNode($node)
+			->setShareType(IShare::TYPE_USER)
+			->setSharedWith(self::TEST_FILES_SHARING_API_USER3)
+			->setSharedBy(self::TEST_FILES_SHARING_API_USER1)
+			->setPermissions(\OCP\Constants::PERMISSION_READ);
+		$share = $this->shareManager->createShare($share);
+		$share->setStatus(IShare::STATUS_ACCEPTED);
+		$this->shareManager->updateShare($share);
+
+		self::loginHelper(self::TEST_FILES_SHARING_API_USER1);
+		$node->move(self::TEST_FILES_SHARING_API_USER1 . '/files/simplefile2.txt');
+
+		self::loginHelper(self::TEST_FILES_SHARING_API_USER3);
+		$rootFolder = \OC::$server->getUserFolder(self::TEST_FILES_SHARING_API_USER3);
+		$recents = $rootFolder->getRecent(10);
+		self::assertEquals([
+			'welcome.txt',
+			'simplefile.txt'
+		], array_map(function($node) {
+			return $node->getFileInfo()['name'];
+		}, $recents));
+	}
+
 	public function testGetFolderContentsWhenSubSubdirShared() {
 		self::loginHelper(self::TEST_FILES_SHARING_API_USER1);