fix: Only store unencrypted_size if path should be encrypted

Signed-off-by: Julius Härtl <jus@bitgrid.net>

lib/private/Files/ObjectStore/ObjectStoreStorage.php

@@ -559,6 +559,8 @@ class ObjectStoreStorage extends \OC\Files\Storage\Common implements IChunkedFil
 		}
 
 		if ($exists) {
+			// Always update the unencrypted size, for encryption the Encryption wrapper will update this afterwards anyways
+			$stat['unencrypted_size'] = $stat['size'];
 			$this->getCache()->update($fileId, $stat);
 		} else {
 			if (!$this->validateWrites || $this->objectStore->objectExists($urn)) {

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

@@ -1071,7 +1071,7 @@ class Encryption extends Wrapper {
 
 		// object store, stores the size after write and doesn't update this during scan
 		// manually store the unencrypted size
-		if ($result && $this->getWrapperStorage()->instanceOfStorage(ObjectStoreStorage::class)) {
+		if ($result && $this->getWrapperStorage()->instanceOfStorage(ObjectStoreStorage::class) && $this->shouldEncrypt($path)) {
 			$this->getCache()->put($path, ['unencrypted_size' => $count]);
 		}