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using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Authentication;
using System.Text;
using System.Threading.Tasks;
using Tango.Core;
using Tango.Integration.Observables;
using Tango.MachineStudio.Common.Authentication;
namespace Tango.MachineStudio.UI.Authentication
{
/// <summary>
/// Represents the default Machine Studio <see cref="IAuthenticationProvider">Authentication provider</see>
/// </summary>
/// <seealso cref="Tango.Core.ExtendedObject" />
/// <seealso cref="Tango.MachineStudio.Common.Authentication.IAuthenticationProvider" />
public class DefaultAuthenticationProvider : ExtendedObject, IAuthenticationProvider
{
private User _currentUser;
/// <summary>
/// Gets the current logged-in user.
/// </summary>
public User CurrentUser
{
get { return _currentUser; }
set
{
_currentUser = value;
CurrentUserChanged?.Invoke(this, _currentUser);
RaisePropertyChangedAuto();
}
}
/// <summary>
/// Occurs when the current logged-in user has changed.
/// </summary>
public event EventHandler<User> CurrentUserChanged;
/// <summary>
/// Performs a user login by the specified email and password.
/// </summary>
/// <param name="email">The email.</param>
/// <param name="password">The password.</param>
/// <returns></returns>
/// <exception cref="AuthenticationException">Login failed for user " + email</exception>
public User Login(string email, string password)
{
User user = ObservablesEntitiesAdapter.Instance.Users.SingleOrDefault(x => x.Email.ToLower() == email.ToLower() && x.Password == password);
if (user == null)
{
throw new AuthenticationException("Login failed for user " + email);
}
CurrentUser = user;
return user;
}
/// <summary>
/// Logs-out the current logged-in user.
/// </summary>
public void Logout()
{
CurrentUser = null;
}
}
}
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