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added function to hash directory

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Jake Howard 2014-12-08 18:21:19 +00:00
parent 4ba4802c09
commit 9af2ff0faa
1 changed files with 30 additions and 2 deletions
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32
Saviour Backup System/tools.cs
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@ -1,8 +1,8 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Linq;
using System.IO;
using System.Security.Cryptography;
namespace Saviour_Backup_System
@ -34,5 +34,33 @@ namespace Saviour_Backup_System
return sb.ToString();
}
public static Int64 getUnixTimeStamp() { return (Int64)(DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds; }
public static string hashDirectory(string path)
{
// assuming you want to include nested folders
var files = Directory.GetFiles(path, "*.*", SearchOption.AllDirectories)
.OrderBy(p => p).ToList();
MD5 md5 = MD5.Create();
for (int i = 0; i < files.Count; i++)
{
string file = files[i];
// hash path
string relativePath = file.Substring(path.Length + 1);
byte[] pathBytes = Encoding.UTF8.GetBytes(relativePath.ToLower());
md5.TransformBlock(pathBytes, 0, pathBytes.Length, pathBytes, 0);
// hash contents
byte[] contentBytes = File.ReadAllBytes(file);
if (i == files.Count - 1)
md5.TransformFinalBlock(contentBytes, 0, contentBytes.Length);
else
md5.TransformBlock(contentBytes, 0, contentBytes.Length, contentBytes, 0);
}
return BitConverter.ToString(md5.Hash).Replace("-", "").ToLower();
}
}
}