/// <summary>
/// Requesthandler
///
/// Trys to select the client desired authentication mechanism and responds with the selection status
/// </summary>
/// <param name="subsystem"></param>
/// <param name="requestCtx"></param>
private void HandleSelectAuthenticationMechanismsRequest(AuthenticationSubsystem subsystem,
RequestContext <SelectAuthenticationMechanismsRequest, SelectAuthenticationMechanismsResponse> requestCtx)
{
List <string> compatibleAuthenticationMechanisms = ListCompatibleAuthenticationMechanisms();
try
{
if (compatibleAuthenticationMechanisms.Contains(requestCtx.Request.AuthMechanismToSelect))
{
MyServerContext.ServerAuthenticationContext = new ServerAuthenticationContext();
MyServerContext.ServerAuthenticationContext.AuthenticationMechanism =
CreateAuthenticationMechanism(requestCtx.Request.AuthMechanismToSelect);
MyServerContext.ServerAuthenticationContext.AuthenticationMechanism.Initialize(_context);
SelectAuthenticationMechanismsResponse response = requestCtx.CreateResponse();
response.Succeeded = true;
response.Execute();
}
else
{
SelectAuthenticationMechanismsResponse response = requestCtx.CreateResponse();
response.Succeeded = false;
response.SetKnownErrorCode(AuthenticationSubsystemResponseBase.ErrorCodeEnum.AuthenticationMechanismNotAvailable);
response.Execute();
}
}
catch (Exception ex)
{
SelectAuthenticationMechanismsResponse response = requestCtx.CreateResponse();
response.Succeeded = false;
response.CustomErrorMessage = string.Format("An unexpected error occured: {0}", ex.Message);
response.Execute();
}
}
/// <summary>
/// Requesthandler
///
/// Looks for all configured and compatible authentication methods for the requesting client
/// </summary>
/// <param name="subsystem"></param>
/// <param name="requestCtx"></param>
private void HandleListAuthenticationMechanisms(AuthenticationSubsystem subsystem,
RequestContext <ListAuthenticationMechanismsRequest, ListAuthenticationMechanismsResponse> requestCtx)
{
ListAuthenticationMechanismsResponse response = requestCtx.CreateResponse();
response.AuthenticationModes = ListCompatibleAuthenticationMechanisms().ToArray();
response.Execute();
}
/// <summary>
/// Starts the authentication process
/// </summary>
/// <param name="subsystem"></param>
/// <param name="requestCtx"></param>
private void HandleAuthenticateRequest(AuthenticationSubsystem subsystem,
RequestContext <AuthenticateRequest, AuthenticateResponse> requestCtx)
{
if (MyServerContext.ServerAuthenticationContext == null ||
MyServerContext.ServerAuthenticationContext.AuthenticationMechanism == null)
{
AuthenticateResponse response = requestCtx.CreateResponse();
response.Succeeded = false;
response.SetKnownErrorCode(AuthenticationSubsystemResponseBase.ErrorCodeEnum.NoAuthenticationMechanismSelected);
response.Execute();
}
else
{
MyServerContext.ServerAuthenticationContext.AuthenticationMechanism.Authenticate(requestCtx);
}
}
