public async Task <AccessTokenResponse> TryRefreshAccessToken(string refreshToken)
{
var refreshTokenTicket = await _session.Query <RefreshTokenTicket>()
.FirstOrDefaultAsync(x => x.RefreshToken == refreshToken);
if (refreshTokenTicket == null)
{
return(null);
}
if (refreshTokenTicket.ExpirationDate < DateTime.UtcNow)
{
return(null);
}
var user = await _session.Query <User>().FirstOrDefaultAsync(x => x.Id == refreshTokenTicket.UserId);
if (user == null)
{
return(null);
}
_session.Eject(refreshTokenTicket);
return(BuildAccessToken(user));
}