source: branches/Persistence Test/HeuristicLab.Security.Contracts/3.2/BusinessObjects/User.cs @ 4539

#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2008 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.Serialization;
using System.Security.Cryptography;

namespace HeuristicLab.Security.Contracts.BusinessObjects {

  [DataContract]
  public class User : PermissionOwner {

    [DataMember]
    public String Login { get; set; }

    private String password;
    
    [DataMember]
    public String Password {
      get {
        return this.password;
      }
      protected set {
        this.password = value;
      }
    }

    [DataMember]
    public String MailAddress { get; set; }

    public void SetPlainPassword(String password) {
      this.password = password;
    }

    public void SetHashedPassword(String password) {
      this.password = getMd5Hash(password);
    }

    private static string getMd5Hash(string input) {
      // Create a new instance of the MD5CryptoServiceProvider object.
      MD5 md5Hasher = MD5.Create();

      // Convert the input string to a byte array and compute the hash.
      byte[] data = md5Hasher.ComputeHash(Encoding.Default.GetBytes(input));

      // Create a new Stringbuilder to collect the bytes
      // and create a string.
      StringBuilder sBuilder = new StringBuilder();

      // Loop through each byte of the hashed data 
      // and format each one as a hexadecimal string.
      for (int i = 0; i < data.Length; i++) {
        sBuilder.Append(data[i].ToString("x2"));
      }

      // Return the hexadecimal string.
      return sBuilder.ToString();
    }
  }
}