Merge pull request #31266 from nextcloud/root-setup-mountprovider

move root mount setup to mountproviders

3 files changed, 24 insertions, 6 deletions

diff --git a/apps/dav/lib/Connector/Sabre/File.php b/apps/dav/lib/Connector/Sabre/File.php
index 3a13dba5df6..4768fc3dc44 100644
--- a/apps/dav/lib/Connector/Sabre/File.php
+++ b/apps/dav/lib/Connector/Sabre/File.php
@@ -183,7 +183,23 @@ class File extends Node implements IFile {
 		[$storage, $internalPath] = $this->fileView->resolvePath($this->path);
 		try {
 			if (!$needsPartFile) {
-				$this->changeLock(ILockingProvider::LOCK_EXCLUSIVE);
+				try {
+					$this->changeLock(ILockingProvider::LOCK_EXCLUSIVE);
+				} catch (LockedException $e) {
+					// during very large uploads, the shared lock we got at the start might have been expired
+					// meaning that the above lock can fail not just only because somebody else got a shared lock
+					// or because there is no existing shared lock to make exclusive
+					//
+					// Thus we try to get a new exclusive lock, if the original lock failed because of a different shared
+					// lock this will still fail, if our original shared lock expired the new lock will be successful and
+					// the entire operation will be safe
+
+					try {
+						$this->acquireLock(ILockingProvider::LOCK_EXCLUSIVE);
+					} catch (LockedException $ex) {
+						throw new FileLocked($e->getMessage(), $e->getCode(), $e);
+					}
+				}
 			}
 
 			if (!is_resource($data)) {
diff --git a/apps/files_sharing/tests/CacheTest.php b/apps/files_sharing/tests/CacheTest.php
index 2623b4c34b5..f4f64bc6a32 100644
--- a/apps/files_sharing/tests/CacheTest.php
+++ b/apps/files_sharing/tests/CacheTest.php
@@ -243,6 +243,9 @@ class CacheTest extends TestCase {
 
 	public function testGetFolderContentsInRoot() {
 		$results = $this->user2View->getDirectoryContent('/');
+		$results = (array_filter($results, function($file) {
+			return $file->getName() !== 'welcome.txt';
+		}));
 
 		// we should get the shared items "shareddir" and "shared single file.txt"
 		// additional root will always contain the example file "welcome.txt",
@@ -250,11 +253,6 @@ class CacheTest extends TestCase {
 		$this->verifyFiles(
 			[
 				[
-					'name' => 'welcome.txt',
-					'path' => 'files/welcome.txt',
-					'mimetype' => 'text/plain',
-				],
-				[
 					'name' => 'shareddir',
 					'path' => 'files/shareddir',
 					'mimetype' => 'httpd/unix-directory',
diff --git a/apps/files_trashbin/tests/StorageTest.php b/apps/files_trashbin/tests/StorageTest.php
index 448c3a6adb1..0a7a129ca28 100644
--- a/apps/files_trashbin/tests/StorageTest.php
+++ b/apps/files_trashbin/tests/StorageTest.php
@@ -33,6 +33,7 @@ namespace OCA\Files_Trashbin\Tests;
 
 use OC\Files\Filesystem;
 use OC\Files\Storage\Common;
+use OC\Files\Storage\Local;
 use OC\Files\Storage\Temporary;
 use OCA\Files_Trashbin\AppInfo\Application;
 use OCA\Files_Trashbin\Events\MoveToTrashEvent;
@@ -661,6 +662,9 @@ class StorageTest extends \Test\TestCase {
 	}
 
 	public function testMoveFromStoragePreserveFileId() {
+		if (!$this->userView->getMount('')->getStorage()->instanceOfStorage(Local::class)) {
+			$this->markTestSkipped("Skipping on non-local users storage");
+		}
 		$this->userView->file_put_contents('test.txt', 'foo');
 		$fileId = $this->userView->getFileInfo('test.txt')->getId();