don't allow to create a file or folder named 'Shared' in the root folder, also exclude all combinations of lower and upper case letters

1 files changed, 5 insertions, 2 deletions

diff --git a/apps/files/js/files.js b/apps/files/js/files.js
index f4546120702..48e5771ae8a 100644
--- a/apps/files/js/files.js
+++ b/apps/files/js/files.js
@@ -87,9 +87,12 @@ var Files = {
 	 * Throws a string exception with an error message if
 	 * the file name is not valid
 	 */
-	isFileNameValid: function (name) {
+	isFileNameValid: function (name, root) {
 		var trimmedName = name.trim();
-		if (trimmedName === '.' || trimmedName === '..') {
+		if (trimmedName === '.'
+				|| trimmedName === '..'
+				|| (root === '/' &&  trimmedName.toLowerCase() === 'shared'))
+		{
 			throw t('files', '"{name}" is an invalid file name.', {name: name});
 		} else if (trimmedName.length === 0) {
 			throw t('files', 'File name cannot be empty.');