notazof/yavsc
1
0
Fork 0
Code Issues Pull requests Projects 1 Releases 4 Packages Wiki Activity Actions

enforced file system

Browse source
This commit is contained in:
Paul Schneider 2018-01-26 13:51:09 +01:00
commit 6066497a67
26 changed files with 143 additions and 76 deletions
Download patch file Download diff file Expand all files Collapse all files

20
Yavsc.Abstract/FileSystem/FileSystemHelpers.cs
View file

@ -1,4 +1,5 @@
using System.Linq;
using System.Text;
namespace Yavsc.Abstract.FileSystem
{
@ -6,20 +7,35 @@ namespace Yavsc.Abstract.FileSystem
{
public static bool IsValidYavscPath(this string path)
{
if (path == null) return true;
if (string.IsNullOrEmpty(path)) return true;
foreach (var name in path.Split('/'))
{
if (!IsValidDirectoryName(name) || name.Equals("..") || name.Equals("."))
return false;
}
if (path[path.Length]==FileSystemConstants.RemoteDirectorySeparator) return false;
if (path[path.Length-1]==FileSystemConstants.RemoteDirectorySeparator) return false;
return true;
}
public static bool IsValidDirectoryName(this string name)
{
return !name.Any(c => !FileSystemConstants.ValidFileNameChars.Contains(c));
}
// Ensure this path is canonical,
// No "dirto/./this", neither "dirt/to/that/"
// no .. and each char must be listed as valid in constants
public static string FilterFileName(string fileName)
{
if (fileName==null) return null;
StringBuilder sb = new StringBuilder();
foreach (var c in fileName)
{
if (FileSystemConstants.ValidFileNameChars.Contains(c))
sb.Append(c);
else sb.Append('_');
}
return sb.ToString();
}
}
public static class FileSystemConstants