public static void Register(string username, string passwordHash, string certificatePath)
{
string newUserDirectoryPath = Application.Current.Properties["root"].ToString() + "\\" + username;
if (Directory.Exists(newUserDirectoryPath))
{
MessageBox.Show("Username taken");
return;
}
else
{
Directory.CreateDirectory(newUserDirectoryPath);
Directory.CreateDirectory(newUserDirectoryPath + "\\home");
}
if (!CertificateChecker.certificateValid(certificatePath))
{
MessageBox.Show("Your certificate is invalid!");
return;
}
X509Certificate2 userCertificate = new X509Certificate2(certificatePath);
FileStream fileStream = new FileStream(Application.Current.Properties["lookupTableLocation"].ToString(), FileMode.Open);
fileStream.Seek(-3, SeekOrigin.End);
StreamWriter fileWriter = new StreamWriter(fileStream);
fileWriter.Write(username + "\t" + passwordHash + "\t" + userCertificate.Thumbprint + "\n" + "EOF");
fileWriter.Flush();
fileWriter.Close();
return;
}
private void RegisterButton_Click(object sender, RoutedEventArgs e)
{
if (usernameBox.Text.Length == 0)
{
MessageBox.Show("Username too short");
return;
}
if (passwordBox.Password.Length == 0)
{
MessageBox.Show("Password too short");
return;
}
if (passwordBox.Password == passwordBoxRepeat.Password)
{
if (CertificateChecker.certificateValid(certificateBox.Text))
{
RegisterUser.Register(usernameBox.Text, Hash.getSHA512Hash(passwordBox.Password), certificateBox.Text);
this.Close();
}
else
{
MessageBox.Show("Invalid certificate");
}
return;
}
}
public static bool tryLogIn(string username, string passwordHash, string certificateLocation)
{
bool found = false;
try
{
using (StreamReader streamReader = new StreamReader(Application.Current.Properties["lookupTableLocation"].ToString()))
{
string fileLine = streamReader.ReadLine();
while (!found && (fileLine != "EOF"))
{
string[] usernamePassComboArray = fileLine.Split('\t');
if (usernamePassComboArray.Length == 3)
{
//if username and password hash are validated
if (usernamePassComboArray[0] == username && usernamePassComboArray[1].ToLower() == passwordHash.ToLower())
{
X509Certificate2 userCertificate = new X509Certificate2(certificateLocation);
if (userCertificate.Thumbprint == usernamePassComboArray[2])
{
/*if (!CertificateChecker.checkCertificateUserConection(certificateLocation, username))
* {
* MessageBox.Show("Invalid certificate for given username");
* return found;
* }*/
if (!CertificateChecker.certificateValid(certificateLocation))
{
return(found);
}
//certificate is valid
found = true;
return(found);
}
else
{
MessageBox.Show("Invalid certificate for given username");
return(found);
}
}
}
fileLine = streamReader.ReadLine();
}
}
}
catch (Exception) { }
return(found);
}
