[AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Required)]
  [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerCall)]
  [ServiceContract]
  public class User
  {
    [WebGet(UriTemplate = "")]
    public Token Authenticate()
    {
      string str1 = string.Empty;
      DataConnectionFactory.ConnectionString = ConfigurationManager.AppSettings["ConnectionString"];
      CMSContext.Init();
      UserInfo userInfo = UserInfoProvider.AuthenticateUser(QueryHelper.GetString("username", ""), QueryHelper.GetString("password", ""), ConfigurationManager.AppSettings["SiteName"]);
      if (userInfo != null && !userInfo.UserIsEditor && !userInfo.UserIsGlobalAdministrator)
      {
        string str2 = userInfo.UserID.ToString() + "|" + DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss tt");
        byte[] bytes = Encoding.ASCII.GetBytes(ConfigurationManager.AppSettings["CryptoKey"]);
        DESCryptoServiceProvider cryptoServiceProvider = new DESCryptoServiceProvider();
        MemoryStream memoryStream = new MemoryStream();
        CryptoStream cryptoStream = new CryptoStream((Stream) memoryStream, cryptoServiceProvider.CreateEncryptor(bytes, bytes), CryptoStreamMode.Write);
        StreamWriter streamWriter = new StreamWriter((Stream) cryptoStream);
        streamWriter.Write(str2);
        streamWriter.Flush();
        cryptoStream.FlushFinalBlock();
        streamWriter.Flush();
        str1 = HttpUtility.UrlEncode(Convert.ToBase64String(memoryStream.GetBuffer(), 0, (int) memoryStream.Length));
      }
      return new Token() { Value = str1 };
    }
  }