Merge pull request #47354 from nextcloud/backport/47346/stable29

[stable29] store the mountpoint of storages in the mount options and use it to find the encryption keys

lib/private/Files/SetupManager.php

@@ -122,8 +122,9 @@ private function setupBuiltinWrappers() {
 		$prevLogging = Filesystem::logWarningWhenAddingStorageWrapper(false);
 
 		Filesystem::addStorageWrapper('mount_options', function ($mountPoint, IStorage $storage, IMountPoint $mount) {
-			if ($mount->getOptions() && $storage->instanceOfStorage(Common::class)) {
-				$storage->setMountOptions($mount->getOptions());
+			if ($storage->instanceOfStorage(Common::class)) {
+				$options = array_merge($mount->getOptions(), ['mount_point' => $mountPoint]);
+				$storage->setMountOptions($options);
 			}
 			return $storage;
 		});

lib/private/Files/Storage/Wrapper/Encryption.php

@@ -44,6 +44,7 @@
 use OC\Files\Filesystem;
 use OC\Files\Mount\Manager;
 use OC\Files\ObjectStore\ObjectStoreStorage;
+use OC\Files\Storage\Common;
 use OC\Files\Storage\LocalTempFileTrait;
 use OC\Memcache\ArrayCache;
 use OCP\Cache\CappedMemoryCache;
@@ -806,9 +807,8 @@ private function copyBetweenStorage(
 
 		// first copy the keys that we reuse the existing file key on the target location
 		// and don't create a new one which would break versions for example.
-		$mount = $this->mountManager->findByStorageId($sourceStorage->getId());
-		if (count($mount) >= 1) {
-			$mountPoint = $mount[0]->getMountPoint();
+		if ($sourceStorage->instanceOfStorage(Common::class) && $sourceStorage->getMountOption('mount_point')) {
+			$mountPoint = $sourceStorage->getMountOption('mount_point');
 			$source = $mountPoint . '/' . $sourceInternalPath;
 			$target = $this->getFullPath($targetInternalPath);
 			$this->copyKeys($source, $target);