public static string GetSafeFilename(string filename)
{
if (string.IsNullOrEmpty(filename))
{
return(StringUtils.ToLower(StringUtils.GetShortGuid()));
}
return(string.Join("_", filename.Split(GetInvalidChars())));
}
public static string ComputeHash(string filePath)
{
using (var md5 = MD5.Create())
{
using (var stream = File.OpenRead(filePath))
{
return(StringUtils.ToLower(BitConverter.ToString(md5.ComputeHash(stream)).Replace("-", "")));
}
}
}
public static bool IsInDirectory(string parentDirectoryPath, string path)
{
if (string.IsNullOrEmpty(parentDirectoryPath) || string.IsNullOrEmpty(path))
{
return(false);
}
parentDirectoryPath = StringUtils.ToLower(parentDirectoryPath.Trim().TrimEnd(Path.DirectorySeparatorChar));
path = StringUtils.ToLower(path.Trim().TrimEnd(Path.DirectorySeparatorChar));
return(parentDirectoryPath == path || path.StartsWith(parentDirectoryPath));
}