71 lines
2.1 KiB
C#
71 lines
2.1 KiB
C#
|
using System;
|
|||
|
|
using System.Collections.Generic;
|
|||
|
|
using System.IO;
|
|||
|
|
|
|||
|
|
namespace Umbraco.Core.Models.Css
|
|||
|
|
{
|
|||
|
|
internal class FileUtility
|
|||
|
|
{
|
|||
|
|
#region Constants
|
|||
|
|
|
|||
|
|
private static readonly char[] IllegalChars;
|
|||
|
|
|
|||
|
|
#endregion Constants
|
|||
|
|
|
|||
|
|
#region Init
|
|||
|
|
|
|||
|
|
static FileUtility()
|
|||
|
|
{
|
|||
|
|
var chars = new List<char>(Path.GetInvalidPathChars());
|
|||
|
|
foreach (char ch in Path.GetInvalidFileNameChars())
|
|||
|
|
{
|
|||
|
|
if (!chars.Contains(ch) && ch != Path.DirectorySeparatorChar)
|
|||
|
|
{
|
|||
|
|
chars.Add(ch);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
IllegalChars = chars.ToArray();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion Init
|
|||
|
|
|
|||
|
|
#region Methods
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Makes sure directory exists and if file exists is not readonly.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="filename"></param>
|
|||
|
|
/// <returns>if valid path</returns>
|
|||
|
|
internal static bool PrepSavePath(string filename)
|
|||
|
|
{
|
|||
|
|
if (System.IO.File.Exists(filename))
|
|||
|
|
{
|
|||
|
|
// make sure not readonly
|
|||
|
|
FileAttributes attributes = System.IO.File.GetAttributes(filename);
|
|||
|
|
attributes &= ~FileAttributes.ReadOnly;
|
|||
|
|
System.IO.File.SetAttributes(filename, attributes);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
string dir = Path.GetDirectoryName(filename);
|
|||
|
|
if (!String.IsNullOrEmpty(dir) && dir.IndexOfAny(IllegalChars) >= 0)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
if (!String.IsNullOrEmpty(dir) && !Directory.Exists(dir))
|
|||
|
|
{
|
|||
|
|
// make sure path exists
|
|||
|
|
Directory.CreateDirectory(dir);
|
|||
|
|
}
|
|||
|
|
string file = Path.GetFileName(filename);
|
|||
|
|
if (!String.IsNullOrEmpty(file) && file.IndexOfAny(Path.GetInvalidFileNameChars()) >= 0)
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion Methods
|
|||
|
|
}
|
|||
|
|
}
|