/// <summary>
/// ProcessAsync message
/// </summary>
/// <param name="context">Context information</param>
/// <returns>If message processing can continue</returns>
/// <remarks>
/// <para>
/// Check the <see cref="ModuleResult" /> property to see how the message processing have gone so
/// far.
/// </para>
/// </remarks>
public async Task <ModuleResult> ProcessAsync(IClientContext context)
{
var principal = context.ChannelData["Principal"] as IPrincipal;
if (principal != null)
{
Thread.CurrentPrincipal = principal;
return(ModuleResult.Continue);
}
var user = context.ChannelData["AuthenticationUser"] as IUserAccount;
if (user == null)
{
var preRequest = context.RequestMessage as IAuthenticationHandshake;
if (preRequest == null)
{
context.ResponseMessage =
new AuthenticationException(
"You need to send a message that implements IClientPreAuthentication.");
return(ModuleResult.SendResponse);
}
user = await _fetcher.FindUserAsync(preRequest.UserName);
var msg = _authenticationMessageFactory.CreateServerPreAuthentication(user);
context.ResponseMessage = msg;
context.ChannelData["SessionSalt"] = msg.SessionSalt;
context.ChannelData["AuthenticationUser"] = user;
return(ModuleResult.SendResponse);
}
var authenticateRequest = context.RequestMessage as IAuthenticate;
if (authenticateRequest == null)
{
context.ResponseMessage =
new AuthenticationException(
"You need to send a message that implements IClientAuthentication as the second message to authenticate properly.");
return(ModuleResult.SendResponse);
}
var sessionSalt = context.ChannelData["SessionSalt"] as string;
if (sessionSalt == null)
{
context.ResponseMessage =
new AuthenticationException(
"Invalid authentication process (salt not found)..");
return(ModuleResult.SendResponse);
}
var response = await AuthenticateUser(context, user, sessionSalt, authenticateRequest);
context.ResponseMessage = response;
return(ModuleResult.SendResponse);
}
/// <summary>
/// ProcessAsync message
/// </summary>
/// <param name="context">Context information</param>
/// <returns>If message processing can continue</returns>
/// <remarks>
/// <para>
/// Check the <see cref="ModuleResult" /> property to see how the message processing have gone so
/// far.
/// </para>
/// </remarks>
public async Task <ModuleResult> ProcessAsync(IClientContext context)
{
var principal = context.ChannelData["Principal"] as IPrincipal;
if (principal != null)
{
Thread.CurrentPrincipal = principal;
return(ModuleResult.Continue);
}
var handshake = context.RequestMessage as IAuthenticationHandshake;
if (handshake != null)
{
if (_step != 0)
{
context.ResponseMessage =
new AuthenticationException(
"Invalid authentication process.");
return(ModuleResult.SendResponse);
}
var user = await _fetcher.FindUserAsync(handshake.UserName);
var msg = _authenticationMessageFactory.CreateServerPreAuthentication(user);
context.ResponseMessage = msg;
context.ChannelData["SessionSalt"] = msg.SessionSalt;
context.ChannelData["AuthenticationUser"] = user;
_step = 1;
return(ModuleResult.SendResponse);
}
if (_step == 0)
{
return(ModuleResult.Continue);
}
var authenticateRequest = context.RequestMessage as IAuthenticate;
if (authenticateRequest != null)
{
var user = context.ChannelData["AuthenticationUser"] as IUserAccount;
if (user == null || _step != 1)
{
context.ResponseMessage = new AuthenticationException("Invalid authentication process");
_step = 0;
return(ModuleResult.SendResponse);
}
_step = 0;
var sessionSalt = context.ChannelData["SessionSalt"] as string;
if (sessionSalt == null)
{
context.ResponseMessage =
new AuthenticationException(
"Invalid authentication process (salt not found)..");
return(ModuleResult.SendResponse);
}
var response = await AuthenticateUser(context, user, sessionSalt, authenticateRequest);
context.ResponseMessage = response;
return(ModuleResult.SendResponse);
}
return(ModuleResult.Continue);
}