public static User authenticate(Credentials credentials)
{
User user = null;
DAL dalDataContext = new DAL();
try
{
user = (from users in dalDataContext.users
where users.UserID == credentials.UserID
select users).FirstOrDefault<User>();
if (user == null)
{
throw new FaultException<SException>(new SException(),
new FaultReason("Invalid User, Please try again"));
}
else if (user.User_Password.CompareTo(KeyGen.Decrypt(credentials.Password)) != 0)
{
throw new FaultException<SException>(new SException(),
new FaultReason("Wrong Password!, please try again"));
}
else
{
user.GetSystemRole();
}
}
catch (InvalidOperationException ex)
{
throw new FaultException<SException>(new SException(),
new FaultReason("An error had occured: " + ex.Message));
}
return user;
}
private void btnLogin_Click(object sender, RoutedEventArgs e)
{
if (txtUserID.Text.Trim().Length == 0)
{
MessageBox.Show("Please enter your user id", "Invalid Input", MessageBoxButton.OK,
MessageBoxImage.Exclamation);
return;
}
if (txtPassword.Password.Trim().Length == 0)
{
MessageBox.Show("Please enter your password!", "Invalid Input", MessageBoxButton.OK,
MessageBoxImage.Exclamation);
return;
}
if (String.Compare(txtSvAddr.Text.Trim(), ConfigHelper.GetEndpointAddress(), true) != 0)
{
ConfigHelper.SaveEndpointAddress(txtSvAddr.Text.Trim());
}
AdminHelper client = new AdminHelper();
try
{
Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
KeyValueConfigurationCollection settings = config.AppSettings.Settings;
settings["timeout"].Value = client.GetClientTimeOut().ToString();
config.Save(ConfigurationSaveMode.Modified);
//relaod the section you modified
ConfigurationManager.RefreshSection(config.AppSettings.SectionInformation.Name);
//User u = client.Authenticate(txtUserID.Text.Trim(), txtPassword.Password);
Credentials c = new Credentials();
c.UserID = txtUserID.Text.Trim();
c.Password = Helper.KeyGen.Encrypt(txtPassword.Password);
User u = client.SecureAuthenticate(c);
var admForm = new frmMain(u, this);
this.Visibility = Visibility.Collapsed;
this.txtPassword.Clear();
this.txtUserID.Clear();
this.txtUserID.Focus();
admForm.Show();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
client.Close(); // Always close the client.
}
}
bool AuthNUSNET(string username, string password)
{
AdministrationClient client = new AdministrationClient();
Credentials c = new Credentials();
c.UserID = Login1.UserName.Trim();
c.Password = KeyGen.Encrypt(Login1.Password);
try
{
User u = client.SecureAuthenticate(c);
client.Close();
Session["nusNETuser"] = u;
client.Close();
return true;
}
catch (Exception ex)
{
Alert.Show(ex.Message, false);
}
finally
{
client.Close();
}
return false;
}
public User SecureAuthenticate(Credentials credentials)
{
User user = null;
try
{
user = UserController.authenticate(credentials);
if (user == null)
{
throw new FaultException<SException>(new SException(),
new FaultReason("Invalid login details, please try again"));
}
return user;
}
catch (Exception e)
{
Console.WriteLine(e.StackTrace);
throw new FaultException<SException>(new SException(),
new FaultReason(e.Message));
}
}
