public async Task CreateAsync(AuthenticationTokenCreateContext context)
{
try
{
var clientid = context.Ticket.Properties.Dictionary["as:client_id"];
if (string.IsNullOrEmpty(clientid))
return;
// Gera um ID unico para o RefreshToken
var refreshTokenId = Guid.NewGuid().ToString("n");
// Pega o tempo de expiração (em minuto) do token do contexto do Owin
var refreshTokenLifeTime = context.OwinContext.Get<string>("as:clientRefreshTokenLifeTime");
// Identifica o Browser
var userAgent = HttpContext.Current.Request.UserAgent;
var userBrowser = new HttpBrowserCapabilities {Capabilities = new Hashtable {{string.Empty, userAgent}}};
var factory = new BrowserCapabilitiesFactory();
factory.ConfigureBrowserCapabilities(new NameValueCollection(), userBrowser);
var browser = userBrowser.Browser;
// Define os dados do RefreshToken
var token = new RefreshToken
{
Id = HashHelper.GetHash(refreshTokenId),
ClientId = clientid,
Browser = browser,
Subject = context.Ticket.Identity.Name,
IssuedUtc = DateTime.UtcNow,
ExpiresUtc = DateTime.UtcNow.AddMonths(Convert.ToInt32(refreshTokenLifeTime))
};
// Define o IssuedUtc e o ExpiresUtc do ticket para determinar o quanto tempo o token vai ser válido
context.Ticket.Properties.IssuedUtc = token.IssuedUtc;
context.Ticket.Properties.ExpiresUtc = token.ExpiresUtc;
// Serializa o ticket para ser gravado na base de dados
var ticketSerializer = new TicketSerializer();
token.ProtectedTicket = ticketSerializer.Serialize(context.Ticket);
// Grava o ticket na base de dados
var refreshTokenDomain = new RefreshTokenDomain();
var result = await refreshTokenDomain.CreateAsync(token);
if (result)
context.SetToken(refreshTokenId);
}
catch (Exception ex)
{
throw ex;
}
}
