34 lines
771 B
C#
34 lines
771 B
C#
using System.IO;
|
|
using System.Linq;
|
|
using System.Security.Cryptography;
|
|
|
|
namespace OpenRa
|
|
{
|
|
public class AssetInfo
|
|
{
|
|
public readonly string Filename;
|
|
public readonly string Hash;
|
|
|
|
public AssetInfo(string filename, string hash)
|
|
{
|
|
Filename = filename;
|
|
Hash = hash;
|
|
}
|
|
|
|
static string GetHash(string filename)
|
|
{
|
|
using (var csp = SHA1.Create())
|
|
return new string(csp.ComputeHash(File.ReadAllBytes(filename))
|
|
.SelectMany(a => a.ToString("x2")).ToArray());
|
|
}
|
|
|
|
public static AssetInfo FromLocalFile(string filename)
|
|
{
|
|
return new AssetInfo(filename, GetHash(filename));
|
|
}
|
|
|
|
/* todo: perf: cache this */
|
|
public bool IsPresent() { return File.Exists(Filename) && (Hash == GetHash(Filename)); }
|
|
}
|
|
}
|