#pragma warning restore 1998
public async Task <SessionViewModel> Login(SecureString password)
{
var ip = new WebClient().DownloadStringTaskAsync("http://icanhazip.com");
var userList = await LoginViewModel.Where(x => UserName == x.UserName);
if (userList.Count() == 0)
{
return(null);
}
var user = userList.First();
string hash = PasswordUtils.ComputePassword(password, user.Salt);
if (hash != user.PasswordHash)
{
return(null);
}
var session = await SessionViewModel.Create();
session.Time = DateTime.Now;
session.UserLogin = user;
session.IP = await ip;
var student = (await StudentViewModel.Where(x => x.LoginId == user.Id)).FirstOrDefault();
if (student != null)
{
session.UserType = SessionViewModel.UserTypeEnum.Student;
session.User = student;
await session.Insert();
return(session);
}
var lecturer = (await LecturerViewModel.Where(x => x.LoginId == user.Id)).FirstOrDefault();
if (lecturer != null)
{
session.UserType = SessionViewModel.UserTypeEnum.Lecturer;
session.User = lecturer;
await session.Insert();
return(session);
}
var administrator = (await AdministratorViewModel.Where(x => x.LoginId == user.Id)).FirstOrDefault();
if (administrator != null)
{
session.UserType = SessionViewModel.UserTypeEnum.Administrator;
session.User = administrator;
await session.Insert();
return(session);
}
throw new NotSupportedException();
}
private async Task <LoginViewModel> RegisterUserLogin()
{
var userLogin = await LoginViewModel.Create();
userLogin.UserName = UserName;
userLogin.Salt = PasswordUtils.CreateSalt();
userLogin.PasswordHash = PasswordUtils.ComputePassword(Password, userLogin.Salt);
await userLogin.Insert();
return(userLogin);
}