public MainViewModel(KCUser user)
{
_mainModel = new MainModel();
_mainModel.User = user;
RefreshRecentSessions();
}
public KCUser CreateUser(string username, string password)
{
KCUser user = new KCUser();
user.UserId = Guid.NewGuid();
user.Name = username;
user.LoginName = username;
user.Created = DateTime.Now;
if (string.IsNullOrEmpty(password))
{
user.PasswordHash = null;
user.PasswordSalt = null;
}
else
{
var digest = new Users.UserAuthenticationSecurity().Hash(password);
user.PasswordHash = digest.HashBase64;
user.PasswordSalt = digest.SaltBase64;
}
_db.KCUser.Add(user);
_db.SaveChanges();
return(user);
}
public KCUser GetByLoginName(string loginName)
{
KCUser user = _db.KCUser
.Where(u => u.LoginName.Equals(loginName))
.FirstOrDefault();
return(user);
}
public void ProcessLogin(KCUser user)
{
this.User = user;
this.LoginSuccessful = (user != null);
OnCloseEventHandler(new LoginViewClosedEventArgs()
{
User = user
});
}
public void DoLogin()
{
KCUser user = _userMgr.GetByLoginName(_loginModel.LoginName);
if (user == null)
{
_loginModel.ErrorMsg = "invalid login name";
}
else
{
ProcessLogin(user);
}
}
public TextSequenceInputViewModel(KCUser user, ITextSampleGenerator gen)
{
_seqInputModel = new TextSequenceInputModel();
_seqActive = false;
_generator = gen;
_sessionMgr = new UserSession(user, gen);
_updateTimer = new DispatcherTimer(DispatcherPriority.Normal, App.Current.Dispatcher);
_updateTimer.Interval = new TimeSpan(0, 0, 0, 0, UPDATE_INTERVAL_IN_MS);
_updateTimer.Tick += (_, a) => {
DoInterval();
};
}
public IList <Data.Session> GetHistoryDetailsAllTime(KCUser currentUser, int lastXNumberRecords)
{
var results = _db.Session
.Where(sess => sess.UserId.Equals(currentUser.UserId))
.Include(sess => sess.KeySequence)
.Include(sess => sess.KeySequence.Select(b => b.SourceType))
.Include(sess => sess.KeySequence.Select(b => b.KeySequenceAnalysis))
.Include(sess => sess.KeySequence.Select(b => b.KeySequenceAnalysis.Select(c => c.AnalysisSpeed)))
.Include(sess => sess.KeySequence.Select(b => b.KeySequenceAnalysis.Select(c => c.AnalysisAccuracy)))
.OrderByDescending(s => s.Created)
.Take(lastXNumberRecords);
return(results.ToList());
}
public KCUserLogin RecordLogin(KCUser user, HttpContext context)
{
KCUserLogin newLogin = new KCUserLogin();
newLogin.KCUserLoginId = Guid.NewGuid();
newLogin.UserId = user.UserId;
newLogin.Created = DateTime.Now;
newLogin.IpAddress = GetIpAddress(context);
newLogin.UserAgent = GetUserAgent(context);
_db.KCUserLogin.Add(newLogin);
_db.SaveChanges();
return(newLogin);
}
public HttpResponseMessage GetNewSession(JWTToken token)
{
var user = new KCUser()
{
UserId = Guid.Parse(token.UserId)
};
var session = new KeyCdr.UserSession(user).StartNewSession();
var newSession = new SessionModel()
{
SessionId = session.SessionId,
UserId = session.UserId,
};
return(Request.CreateResponse(HttpStatusCode.OK, newSession));
}
public HttpResponseMessage GetNewSequence(SessionModel session)
{
WikipediaTextGenerator gen = new WikipediaTextGenerator();
var sample = gen.GetParagraph();
KCUser user = new KCUser()
{
UserId = session.UserId
};
UserSession sessionMgr = new UserSession(user);
KeySequence seq = sessionMgr.StartNewSequence(sample);
var result = new SequenceModel()
{
SessionId = seq.SessionId,
SequenceId = seq.KeySequenceId,
Text = sample.GetText(),
SourceKey = sample.GetSourceKey(),
SourceType = sample.GetSourceType().ToString()
};
return(Request.CreateResponse(HttpStatusCode.OK, result));
}
public bool IsValidLogin(KCUser user, string password)
{
if (user == null)
{
return(false);
}
//if the password salt or hash is null then let the user login
//regardless of password
//this is probably a huge security hole...
if (user.PasswordSalt == null || user.PasswordHash == null)
{
return(true);
}
UserAuthenticationSecurity sec = new UserAuthenticationSecurity();
bool isValidLogin = sec.IsValid(new UserAuthenticationDigest()
{
Hash = Convert.FromBase64String(user.PasswordHash),
Salt = Convert.FromBase64String(user.PasswordSalt)
}, password);
return(isValidLogin);
}
public UserSession(KCUser user, ITextSampleGenerator generator)
{
_user = user;
_generator = generator;
}
public IList <Data.Session> GetHistoryDetailsAllTime(KCUser currentUser)
{
return(GetHistoryDetailsAllTime(currentUser, DEFAULT_ALL_HISTORY_NUM_RECORDS));
}
public void TestSetup()
{
UserManager mgr = new UserManager();
_user = mgr.CreateGuest();
}
public UserSessionStateless(KCUser user)
: base(user, new WikipediaTextGenerator())
{
}
public UserSessionStateless(KCUser user, ITextSampleGenerator generator)
: base(user, generator)
{
}
public void LoginAsGuest()
{
KCUser user = _userMgr.CreateGuest();
ProcessLogin(user);
}
public UserSession(KCUser user)
: this(user, new WikipediaTextGenerator())
{
}
