private static ILoginResult TryLogin(SeededPrimitiveConnection seedConn, IAuthPromptResponse authPrompt)
{
var(seed, conn) = seedConn;
var username = authPrompt.Username;
var password = authPrompt.Password;
var securedPassword = Md5Sum(string.Concat(seed, Md5Sum(password)));
var loginCmd = new SystemCommand(SystemOp.Login);
var loginMessage = new MessageBuilder(loginCmd).Add(username).Add(securedPassword);
loginMessage.Send(conn);
var(matched, authResult, description) = conn.ReceiveSystemStringCommand(SystemOp.LoginResult);
if (!matched)
{
return(new InvalidProtocolLoginResult("login result listen"));
}
var authenticated = CommandUnpacking.Value(authResult) == 0;
if (!authenticated)
{
return(new UserLoginException(description ?? "(no description)"));
}
return(new SuccessLoginResult());
}
public void Attempt(SeededPrimitiveConnection?conn, IAuthPromptResponse response)
{
try
{
if (conn is null)
{
throw new ArgumentNullException(nameof(conn));
}
if (response is null)
{
throw new ArgumentNullException(nameof(response));
}
Result = TryLogin(conn, response);
if (!Result.IsSuccess)
{
return;
}
Connection = MakeMessageConnection(conn.Connection);
// Stop the connection from being disposed by the 'finally' block if we successfully authenticated.
conn = null;
}
finally
{
conn?.Dispose();
}
}
public bool IsDifferentServer(IAuthPromptResponse other)
{
return(other.HasCredentials);
}
/// <summary>
/// Constructs a dummy login prompter with a particular stock
/// response.
/// </summary>
/// <param name="response">The response to give when asked.</param>
public DummyAuthPrompter(IAuthPromptResponse response)
{
Response = response;
}
private ClientSideLoginPerformer <string, string> MakeLoginPerformer(string connection, IAuthPromptResponse response, ILoginResult result)
{
_authPrompterMock.SetupGet(t => t.Response).Returns(response);
_authPerformerMock.SetupGet(t => t.Connection).Returns(connection);
_authPerformerMock.SetupGet(t => t.Result).Returns(result);
_loginErrorHandlerMock.Setup(t => t.Handle(It.IsAny <ILoginResult>())).Callback(new InvocationAction(RegisterLoginErrorHandlerCall));
return(new ClientSideLoginPerformer <string, string>(_handshakePerformerMock.Object, _authPrompterMock.Object, _loginErrorHandlerMock.Object, _authPerformerMock.Object));
}
