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- import java.awt.CardLayout;
- import java.awt.GridLayout;
- import java.awt.event.ActionEvent;
- import java.awt.event.ActionListener;
- import java.io.BufferedReader;
- import java.io.FileNotFoundException;
- import java.io.FileReader;
- import java.io.IOException;
- import java.security.MessageDigest;
- import java.security.NoSuchAlgorithmException;
- import java.util.StringTokenizer;
- import javax.swing.JButton;
- import javax.swing.JCheckBox;
- import javax.swing.JFrame;
- import javax.swing.JLabel;
- import javax.swing.JPanel;
- import javax.swing.JPasswordField;
- import javax.swing.JTextField;
- public class Login extends JPanel implements ActionListener{
- JPanel loginP = new JPanel(new GridLayout(2,2));
- JLabel userL = new JLabel("Username: ");
- JTextField userTF = new JTextField();
- JLabel passL = new JLabel("Password: ");
- JPasswordField passTF = new JPasswordField();
- JPanel checkboxP = new JPanel();
- JCheckBox checkbox = new JCheckBox("Save Your Credentials");
- JPanel buttonP = new JPanel();
- JButton login = new JButton("Login");
- JButton register = new JButton("Register");
- Login(){
- setLayout(new GridLayout(3,1));
- //login panel
- loginP.add(userL);
- loginP.add(userTF);
- loginP.add(passL);
- loginP.add(passTF);
- add(loginP);
- checkboxP.add(checkbox);
- add(checkboxP);
- // button panel
- login.addActionListener(this);
- buttonP.add(login);
- register.addActionListener(this);
- buttonP.add(register);
- add(buttonP);
- }
- public void actionPerformed(ActionEvent e) {
- if(e.getSource() == login){
- try {
- BufferedReader input = new BufferedReader(new FileReader("passwords.txt"));
- String pass = null;
- String line = input.readLine();
- while(line != null){
- StringTokenizer st = new StringTokenizer(line);
- if(userTF.getText().equals(st.nextToken()));
- pass = st.nextToken();
- line = input.readLine();
- }
- input.close();
- MessageDigest md = MessageDigest.getInstance("SHA-256");
- md.update(new String(passTF.getPassword()).getBytes());
- byte byteData[] = md.digest();
- StringBuffer sb = new StringBuffer();
- for(int i = 0; i < byteData.length; i++)
- sb.append(Integer.toString((byteData[i] & 0xFF) + 0x100, 16).substring(1));
- if(pass.equals(sb.toString()))
- add(new FileBrowser(userTF.getText()), "fb");
- } catch (FileNotFoundException e1) {
- // TODO Auto-generated catch block
- e1.printStackTrace();
- } catch (IOException e1) {
- // TODO Auto-generated catch block
- e1.printStackTrace();
- } catch (NoSuchAlgorithmException e1) {
- // TODO Auto-generated catch block
- e1.printStackTrace();
- }
- }
- if(e.getSource() == register){
- add(new Register(), "register");
- }
- }
- public static void main(String[] args){
- JFrame frame = new JFrame("Text Editor");
- frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
- frame.setSize(500, 500);
- Login login = new Login();
- frame.add(login);
- frame.setVisible(true);
- frame.setResizable(false);
- }
- }
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