The RBAC project aims to develop a comprehensive Graphical User Interface (GUI) application in Java that facilitates the management of Role-Based Access Control (RBAC) within a system or application. RBAC is a widely used security model that provides a structured approach to managing user permissions and access to system resources.
| Name | Topic |
|---|---|
| Seran Pandiyan I P | Home Page |
| Aravind S | Home Page |
| Hem Sagar G H | Login Page |
package com.amrita.jpl.cys21009.project;
/**
* JAVA SEMESTER PROJECT
* simple login system that allows the users to access the database(GUI) according to their roles
*
* RBAC implementation
*
* */
import javax.swing.*;
import javax.swing.table.DefaultTableModel;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.HashMap;
import java.util.Map;
import java.util.*;
public class LoginPage extends JFrame {
private JTextField usernameField;
private JPasswordField passwordField;
private Map<String, String> userRoleMap;
public LoginPage() {
setTitle("Login Page");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(500, 200);
setLocationRelativeTo(null);
// Mapping the users with roles.
userRoleMap = new HashMap<>();
userRoleMap.put("Harry Potter", "manager");
userRoleMap.put("Eren Yeager", "admin");
userRoleMap.put("Percy Jackson", "user");
userRoleMap.put("guest", "guest");
JPanel panel = new JPanel();
panel.setLayout(new GridLayout(3, 2));
JLabel usernameLabel = new JLabel("Username:",SwingConstants.CENTER);
usernameField = new JTextField(20);
JLabel passwordLabel = new JLabel("Password:",SwingConstants.CENTER);
passwordField = new JPasswordField(20);
JButton loginButton = new JButton("Login");
loginButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
String username = usernameField.getText();
String password = new String(passwordField.getPassword());
// Check the username and password
if (authenticate(username, password)) {
JOptionPane.showMessageDialog(LoginPage.this, "Login Successful!");
String userRole = userRoleMap.get(username);
openHomePage(userRole);
} else {
JOptionPane.showMessageDialog(LoginPage.this, "Invalid username or password. Please try again.");
}
}
});
panel.add(usernameLabel);
panel.add(usernameField);
panel.add(passwordLabel);
panel.add(passwordField);
panel.add(new JLabel());
panel.add(loginButton);
add(panel);
setVisible(true);
}
private boolean authenticate(String username, String password) {
return username.equals("Eren Yeager") && password.equals("password123")
|| username.equals("Percy Jackson") && password.equals("password456")
|| username.equals("Harry Potter") && password.equals("password000")
|| username.equals("guest") && password.equals("password789");
}
private void openHomePage(String userRole) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
new HomePage(userRole);
dispose();
}
});
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
new LoginPage();
}
});
}
}
class HomePage extends JFrame {
private String userRole;
private DefaultTableModel tableModel;
private JTable table;
public HomePage(String userRole) {
this.userRole = userRole;
setTitle("Database");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(800, 600);
setLocationRelativeTo(null);
JPanel panel = new JPanel();
panel.setLayout(new BorderLayout());
// Create a table to display data
String[] columnNames = {"ID", "Name", "Age", "Role"};
Object[][] data = {
{1, "Eren Yeager", 19,"admin"},
{2, "Percy Jackson", 30,"user"},
{3, "Harry Potter", 45,"manager"},
};
tableModel = new DefaultTableModel(data,columnNames);
table = new JTable(tableModel);
JScrollPane scrollPane = new JScrollPane(table);
panel.add(scrollPane, BorderLayout.CENTER);
JPanel buttonpanel = new JPanel(new GridLayout(1,3));
JButton addButton = new JButton("Add Record");
addButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if(userRole.equals("admin")){
addRecord();
} else if (userRole.equals("manager")) {
addRecord();
} else if (userRole.equals("normal")) {
JOptionPane.showMessageDialog(HomePage.this, "You are not permitted to alter the details.");
}
else{
JOptionPane.showMessageDialog(HomePage.this, "You are not permitted to alter the details.");
}
}
});
buttonpanel.add(addButton);
JButton deleteButton = new JButton("Delete Record");
deleteButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if(userRole.equals("admin")){
removeRecord();
}
else{
JOptionPane.showMessageDialog(HomePage.this, "You are not permitted to alter the details.");
}
}
});
buttonpanel.add(deleteButton);
JButton editButton = new JButton("Edit Record");
editButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if(userRole.equals("admin")){
editRecord();
} else if (userRole.equals("manager")) {
editRecord();
System.out.println("Manager is not allowed to edit the roles assigned.");
} else{
JOptionPane.showMessageDialog(HomePage.this, "You are not permitted to alter the details.");
}
}
});
buttonpanel.add(editButton);
panel.add(buttonpanel,BorderLayout.SOUTH);
add(panel);
setVisible(true);
}
private void addRecord() {
JFrame addRecordFrame = new JFrame("Add Record");
addRecordFrame.setSize(300, 400);
addRecordFrame.setLocationRelativeTo(null);
JPanel panel = new JPanel();
panel.setLayout(new GridLayout(5, 2));
JLabel idLabel = new JLabel("ID:");
JTextField idField = new JTextField();
JLabel nameLabel = new JLabel("Name:");
JTextField nameField = new JTextField();
JLabel ageLabel = new JLabel("Age:");
JTextField ageField = new JTextField();
JLabel roleLabel = new JLabel("Role:");
JTextField roleField = new JTextField();
JButton addButton = new JButton("Add");
addButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
String id = idField.getText();
String name = nameField.getText();
String age = ageField.getText();
String role = roleField.getText();
Vector<String> record = new Vector<>();
record.add(id);
record.add(name);
record.add(age);
record.add(role);
tableModel.addRow(record);
addRecordFrame.dispose();
}
});
panel.add(idLabel);
panel.add(idField);
panel.add(nameLabel);
panel.add(nameField);
panel.add(ageLabel);
panel.add(ageField);
panel.add(roleLabel);
panel.add(roleField);
panel.add(new JLabel());
panel.add(addButton);
addRecordFrame.add(panel);
addRecordFrame.pack();
addRecordFrame.setVisible(true);
}
private void removeRecord() {
int selectedRow = table.getSelectedRow();
if (selectedRow != -1) {
tableModel.removeRow(selectedRow);
} else {
JOptionPane.showMessageDialog(HomePage.this, "Please select a record to remove.");
}
}
private void editRecord() {
int selectedRow = table.getSelectedRow();
if (selectedRow != -1) {
String id = table.getValueAt(selectedRow, 0).toString();
String name = table.getValueAt(selectedRow, 1).toString();
String age = table.getValueAt(selectedRow, 2).toString();
String role = table.getValueAt(selectedRow,3).toString();
// Create a new frame for editing
JFrame editRecordFrame = new JFrame("Edit Record");
editRecordFrame.setSize(300, 200);
editRecordFrame.setLocationRelativeTo(null);
JPanel panel = new JPanel();
panel.setLayout(new GridLayout(5, 2));
JLabel idLabel = new JLabel("ID:");
JTextField idField = new JTextField(id, 10);
JLabel nameLabel = new JLabel("Name:");
JTextField nameField = new JTextField(name, 20);
JLabel ageLabel = new JLabel("Age:");
JTextField ageField = new JTextField(age, 5);
JLabel roleLabel = new JLabel("Role:");
JTextField roleField = new JTextField(role,5);
JButton saveButton = new JButton("Save");
saveButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
String newId = idField.getText();
String newName = nameField.getText();
String newAge = ageField.getText();
String newRole = roleField.getText().toLowerCase();
table.setValueAt(newId, selectedRow, 0);
table.setValueAt(newName, selectedRow, 1);
table.setValueAt(newAge, selectedRow, 2);
table.setValueAt(newRole, selectedRow, 3);
editRecordFrame.dispose();
}
});
panel.add(idLabel);
panel.add(idField);
panel.add(nameLabel);
panel.add(nameField);
panel.add(ageLabel);
panel.add(ageField);
if(!userRole.equals("manager")){
panel.add(roleLabel);
panel.add(roleField);
}
panel.add(new JLabel());
panel.add(saveButton);
editRecordFrame.add(panel);
editRecordFrame.setVisible(true);
} else {
JOptionPane.showMessageDialog(HomePage.this, "Please select a record to edit.");
}
}
}
