private string getToken(DTOAuthentication utente)
{
using (var context = new MAuthentication.AuthenticationModel())
{
var password = utente.EncryptedPassword;
if (utente == null)
{
return(null);
}
var user = GetByCondition(x => string.Equals(x.UserName, utente.UserName, StringComparison.InvariantCultureIgnoreCase) && x.Password.Equals(password) && x.Active);
if (user == null)
{
return(string.Empty);
}
if (string.IsNullOrEmpty(user.Token))
{
generateNewToken(user);
}
user.CreationDateTime = DateTime.UtcNow;
UpdateLoginDate(user);
utente.Token = user.Token;
return(user.Token);
}
}
private void generateNewToken(DTOAuthentication user)
{
using (var context = new AuthenticationModel())
{
user.Token = Convert.ToBase64String(Guid.NewGuid().ToByteArray());
var tab = context.Users.FirstOrDefault(x => x.UserName.Equals(user.UserName, StringComparison.InvariantCultureIgnoreCase) && x.Password == user.EncryptedPassword);
// if (tab == null) throw new Exception();//Todo
tab.Token = user.Token;
tab.ActivationDate = DateTime.UtcNow;
tab.LastRequestDateTime = DateTime.UtcNow;
context.SaveChanges();
}
}
protected void UpdateLoginDate(DTOAuthentication user)
{
using (var context = new MAuthentication.AuthenticationModel())
{
var tabuser = context.Users.FirstOrDefault(x => x.Token.Equals(user.Token));
if (user == null)
{
return;
}
user.CreationDateTime = DateTime.UtcNow;
tabuser.LastRequestDateTime = DateTime.UtcNow;
context.Entry(tabuser).State = EntityState.Modified;
context.SaveChanges();
}
}