Added possibility to get permissions for shared item with ajax call.

core/ajax/share.php

@@ -78,6 +78,10 @@ if (isset($_POST['action']) && isset($_POST['itemType']) && isset($_POST['itemSo
 				}
 				OC_JSON::success(array('data' => array('reshare' => $reshare, 'shares' => $shares)));
 			}
+			if (isset($_GET['itemType']) && isset($_GET['itemSource']) && isset($_GET['getPermissions'])) {
+				$info = OCP\Share::getItemSharedWithBySource($_GET['itemType'], $_GET['itemSource']);
+				OC_JSON::success(array('data' => array('info' => $info)));
+			}
 			break;
 		case 'getShareWith':
 			if (isset($_GET['search'])) {