private static IEnumerable<Serializable.TreeNode> ListFolderAsNodes(string entrypath, bool skipFiles)
{
//Helper function for finding out if a folder has sub elements
Func<string, bool> hasSubElements = (p) => skipFiles ? Directory.EnumerateDirectories(p).Any() : Directory.EnumerateFileSystemEntries(p).Any();
//Helper function for dealing with exceptions when accessing off-limits folders
Func<string, bool> isEmptyFolder = (p) =>
{
try { return !hasSubElements(p); }
catch { }
return true;
};
//Helper function for dealing with exceptions when accessing off-limits folders
Func<string, bool> canAccess = (p) =>
{
try { hasSubElements(p); return true; }
catch { }
return false;
};
var systemIO = Library.Utility.Utility.IsClientLinux
? (Duplicati.Library.Snapshots.ISystemIO)new Duplicati.Library.Snapshots.SystemIOLinux()
: (Duplicati.Library.Snapshots.ISystemIO)new Duplicati.Library.Snapshots.SystemIOWindows();
foreach (var s in System.IO.Directory.EnumerateFileSystemEntries(entrypath))
{
Serializable.TreeNode tn = null;
try
{
var attr = systemIO.GetFileAttributes(s);
//var isSymlink = (attr & FileAttributes.ReparsePoint) != 0;
var isFolder = (attr & FileAttributes.Directory) != 0;
var isFile = !isFolder;
//var isHidden = (attr & FileAttributes.Hidden) != 0;
var accesible = isFile || canAccess(s);
var isLeaf = isFile || !accesible || isEmptyFolder(s);
var rawid = isFolder ? Library.Utility.Utility.AppendDirSeparator(s) : s;
if (!skipFiles || isFolder)
tn = new Serializable.TreeNode()
{
id = rawid,
text = systemIO.PathGetFileName(s),
iconCls = isFolder ? (accesible ? "x-tree-icon-parent" : "x-tree-icon-locked") : "x-tree-icon-leaf",
leaf = isLeaf
};
}
catch
{
}
if (tn != null)
yield return tn;
}
}
namespace Duplicati.Server.WebServer.RESTMethods
