private void PerformLogin()
{
DateTime started = DateTime.Now;
btnLogin.Enabled = false;
System.Windows.Forms.Application.DoEvents();
var loadingCancalationTokenSource = new CancellationTokenSource();
var loadingCancalationToken = loadingCancalationTokenSource.Token;
var loadingTask = new Task(() =>
{
var loadingForm = new frmLoading();
loadingForm.TopMost = true;
loadingForm.Show();
while (!loadingCancalationToken.IsCancellationRequested)
{
Thread.Sleep(50);
System.Windows.Forms.Application.DoEvents();
}
loadingForm.Close();
}, loadingCancalationTokenSource.Token);
loadingTask.Start();
string userName = txtUserName.Text.Trim();
string password = txtPassword.Text;
bool hasUsers = false;
CodeITDL.CodeITDbContext ctx = null;
try
{
ctx = new CodeITDL.CodeITDbContext(0);
if (ctx != null)
{
CodeITDL.License lic = null;
string clientLicense = string.Empty;
try
{
User user = ctx.Users.Where(d => d.UserName == userName && d.Password == password).FirstOrDefault();
lic = ctx.Licenses.Where(s => s.Id == (ctx.UserLicenses.Where(c => c.UserId == (user.Id)).FirstOrDefault()).LicenseId).FirstOrDefault();
}
catch(Exception)
{
}
if (lic != null)
clientLicense = Encoding.UTF8.GetString(lic.LicenseBytes);
if (!CodeITLicence.Licence.ValidateLicenceFromDB(clientLicense))
{
System.Windows.Forms.MessageBox.Show("You don't have license. Please contact administrator.", "Info", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
hasUsers = ctx.Users.Where(x => x.RoleId == (int)Role.Administrator && x.CustomerId == Context.CustomerId).Count() > 0;
if (!hasUsers && userName.ToLower().Equals("administrator") && password.Equals("intrensic"))
{
loadingCancalationTokenSource.Cancel(true);
System.Windows.MessageBox.Show("You are logged in as administrator, please add user with administrator role first", "Info", MessageBoxButton.OK, MessageBoxImage.Information);
Administration.frmUsers frmUsers = new Administration.frmUsers();
frmUsers.ControlBox = true;
frmUsers.FormBorderStyle = System.Windows.Forms.FormBorderStyle.Sizable;
frmUsers.Icon = Intrensic.Properties.Resources.Intrensic;
frmUsers.Name = "Initial User Creation Screen";
frmUsers.isInitailUserFromLogin = true;
frmUsers.ShowDialog();
}
else if (!hasUsers)
{
loadingCancalationTokenSource.Cancel(true);
System.Windows.MessageBox.Show("There are no defined users and initial login information is not correct, please try again", "Info", MessageBoxButton.OK, MessageBoxImage.Information);
txtUserName.Clear();
txtPassword.Clear();
txtUserName.Focus();
LoginAudit.WriteLoginAudit(CodeITConstants.LOGIN_INCORECT_CREDENTIALS_NO_USERS);
}
else if (hasUsers)
{
User usr = new User();
usr = ctx.Users.FirstOrDefault(x => x.UserName.ToLower().Equals(userName.ToLower()) && x.Password.ToLower().Equals(password.ToLower()) && x.CustomerId == Context.CustomerId);
if (usr == null)
usr = new User();
if (usr.Id <= 0)
{
loadingCancalationTokenSource.Cancel(true);
LoginAudit.WriteLoginAudit(CodeITConstants.LOGIN_INCORECT_CREDENTIALS_HAS_USERS);
System.Windows.MessageBox.Show("Username and/or password are not correct. Please try again", "Info", MessageBoxButton.OK, MessageBoxImage.Information);
}
else
{
foreach (Form frm in System.Windows.Forms.Application.OpenForms)
{
if (frm.Name == "frmProgressStatus")
{
//check if user trying to login is user with current upload progress
if (!((frmProgressStatus)frm).getOwnerOfUploadProcess.UserName.ToLower().Equals(userName.ToLower()))
{
loadingCancalationTokenSource.Cancel(true);
LoginAudit.WriteLoginAudit(CodeITConstants.LOGIN_WHILE_UPLOAD_IN_PROGRESS_BY_DIFFERENT_USER, usr.Id);
System.Windows.MessageBox.Show("There is an active upload process initiated by user: "******"Please wait for the upload process to complete before you are able to login", "Info", MessageBoxButton.OK, MessageBoxImage.Information);
return;
}
else
{
((frmProgressStatus)frm).DisableCancelButtonsOnLogout(false);
}
}
}
Context.UserId = usr.Id;
}
if (Context.UserId > 0)
{
Context.UserId = usr.Id;
LoginAudit.WriteLoginAudit(CodeITConstants.LOGIN_SUCCESSFULL);
ContextMenuItems(true);
txtUserName.Clear();
txtPassword.Clear();
frmUserMainScreen frmMain = new frmUserMainScreen();
frmMain.InitialGoToUpload = loginStartedFromGoProDevice;
frmMain.InitialUploadPath = uploadPath;
frmMain.Show();
Context.mainForm = frmMain;
this.uploadPath = string.Empty;
this.loginStartedFromGoProDevice = false;
this.Hide();
//Thread.Sleep(5000);
loadingCancalationTokenSource.Cancel(true);
Context.CheckForGoProDevice();
}
}
}
}
}
catch (Exception ex)
{
//
}
finally
{
if (ctx != null)
{
ctx.Dispose();
}
loadingCancalationTokenSource.Cancel(true);
btnLogin.Enabled = true;
}
}
