hw-jv-web-security-solution-andrey-kiyas

pom.xml

@@ -23,7 +23,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>8.0.22</version>
+            <version>8.0.33</version>
         </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>

src/main/java/taxi/controller/LoginController.java

@@ -0,0 +1,41 @@
+package taxi.controller;
+
+import java.io.IOException;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+import taxi.exception.AuthenticationException;
+import taxi.lib.Injector;
+import taxi.model.Driver;
+import taxi.service.AuthenticationService;
+
+public class LoginController extends HttpServlet {
+    private static final Injector injector = Injector.getInstance("taxi");
+    private final AuthenticationService authenticationService =
+            (AuthenticationService) injector.getInstance(AuthenticationService.class);
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
+            throws ServletException, IOException {
+        req.getRequestDispatcher("/WEB-INF/views/login.jsp").forward(req, resp);
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest req, HttpServletResponse resp)
+            throws ServletException, IOException {
+        String login = req.getParameter("login");
+        String password = req.getParameter("password");
+
+        try {
+            Driver driver = authenticationService.login(login, password);
+            HttpSession session = req.getSession();
+            session.setAttribute("driver_id", driver.getId());
+            resp.sendRedirect("/index");
+        } catch (AuthenticationException e) {
+            req.setAttribute("errorMsg", e.getMessage());
+            req.getRequestDispatcher("/WEB-INF/views/login.jsp").forward(req, resp);
+        }
+    }
+}

src/main/java/taxi/controller/LogoutController.java

@@ -0,0 +1,16 @@
+package taxi.controller;
+
+import java.io.IOException;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+public class LogoutController extends HttpServlet {
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
+            throws ServletException, IOException {
+        req.getSession().invalidate();
+        resp.sendRedirect("/login");
+    }
+}

src/main/java/taxi/controller/car/GetMyCurrentCarsController.java

@@ -0,0 +1,28 @@
+package taxi.controller.car;
+
+import java.io.IOException;
+import java.util.List;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import taxi.lib.Injector;
+import taxi.model.Car;
+import taxi.service.CarService;
+import taxi.service.DriverService;
+
+public class GetMyCurrentCarsController extends HttpServlet {
+    private static final Injector injector = Injector.getInstance("taxi");
+    private final DriverService driverService =
+            (DriverService) injector.getInstance(DriverService.class);
+    private final CarService carService = (CarService) injector.getInstance(CarService.class);
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
+            throws ServletException, IOException {
+        Long driverId = (Long) req.getSession().getAttribute("driver_id");
+        List<Car> allCarsByDriver = carService.getAllByDriver(driverId);
+        req.setAttribute("cars", allCarsByDriver);
+        req.getRequestDispatcher("/WEB-INF/views/cars/all.jsp").forward(req, resp);
+    }
+}

src/main/java/taxi/controller/driver/AddDriverController.java

@@ -24,7 +24,9 @@ public void doGet(HttpServletRequest req, HttpServletResponse resp)
     public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
         String name = req.getParameter("name");
         String licenseNumber = req.getParameter("license_number");
-        Driver driver = new Driver(name, licenseNumber);
+        String login = req.getParameter("login");
+        String password = req.getParameter("password");
+        Driver driver = new Driver(name, licenseNumber, login, password);
         driverService.create(driver);
         resp.sendRedirect(req.getContextPath() + "/drivers/add");
     }

src/main/java/taxi/dao/CarDaoImpl.java

@@ -134,7 +134,7 @@ public List<Car> getAllByDriver(Long driverId) {
                 + "m.country AS manufacturer_country "
                 + "FROM cars c"
                 + " JOIN manufacturers m ON c.manufacturer_id = m.id"
-                + " JOIN cars_drivers cd ON c.id = cd.car_id"
+                + " JOIN drivers_cars cd ON c.id = cd.car_id"
                 + " JOIN drivers d ON cd.driver_id = d.id"
                 + " WHERE c.is_deleted = FALSE AND driver_id = ?"
                 + " AND d.is_deleted = FALSE";
@@ -160,7 +160,7 @@ private void insertAllDrivers(Car car) {
         if (drivers.size() == 0) {
             return;
         }
-        String query = "INSERT INTO cars_drivers (car_id, driver_id) VALUES (?, ?)";
+        String query = "INSERT INTO drivers_cars (car_id, driver_id) VALUES (?, ?)";
         try (Connection connection = ConnectionUtil.getConnection();
                 PreparedStatement statement =
                         connection.prepareStatement(query)) {
@@ -175,7 +175,7 @@ private void insertAllDrivers(Car car) {
     }
 
     private void deleteAllDrivers(Car car) {
-        String query = "DELETE FROM cars_drivers WHERE car_id = ?";
+        String query = "DELETE FROM drivers_cars WHERE car_id = ?";
         try (Connection connection = ConnectionUtil.getConnection();
                 PreparedStatement statement =
                         connection.prepareStatement(query)) {
@@ -188,8 +188,8 @@ private void deleteAllDrivers(Car car) {
     }
 
     private List<Driver> getAllDriversByCarId(Long carId) {
-        String query = "SELECT id, name, license_number "
-                + "FROM cars_drivers cd "
+        String query = "SELECT id, name, license_number, login, password "
+                + "FROM drivers_cars cd "
                 + "JOIN drivers d ON cd.driver_id = d.id "
                 + "WHERE car_id = ? AND is_deleted = false";
         try (Connection connection = ConnectionUtil.getConnection();
@@ -211,10 +211,10 @@ private Driver parseDriverFromResultSet(ResultSet resultSet) throws SQLException
         Long driverId = resultSet.getObject("id", Long.class);
         String name = resultSet.getString("name");
         String licenseNumber = resultSet.getString("license_number");
-        Driver driver = new Driver();
+        String login = resultSet.getString("login");
+        String password = resultSet.getString("password");
+        Driver driver = new Driver(name, licenseNumber, login, password);
         driver.setId(driverId);
-        driver.setName(name);
-        driver.setLicenseNumber(licenseNumber);
         return driver;
     }
 

src/main/java/taxi/dao/DriverDao.java

@@ -1,6 +1,8 @@
 package taxi.dao;
 
+import java.util.Optional;
 import taxi.model.Driver;
 
 public interface DriverDao extends GenericDao<Driver> {
+    Optional<Driver> findByLogin(String login);
 }

src/main/java/taxi/dao/DriverDaoImpl.java

@@ -17,13 +17,15 @@
 public class DriverDaoImpl implements DriverDao {
     @Override
     public Driver create(Driver driver) {
-        String query = "INSERT INTO drivers (name, license_number) "
-                + "VALUES (?, ?)";
+        String query = "INSERT INTO drivers (name, license_number, login, password) "
+                + "VALUES (?, ?, ?, ?)";
         try (Connection connection = ConnectionUtil.getConnection();
                 PreparedStatement statement = connection.prepareStatement(query,
                         Statement.RETURN_GENERATED_KEYS)) {
             statement.setString(1, driver.getName());
             statement.setString(2, driver.getLicenseNumber());
+            statement.setString(3, driver.getLogin());
+            statement.setString(4, driver.getPassword());
             statement.executeUpdate();
             ResultSet resultSet = statement.getGeneratedKeys();
             if (resultSet.next()) {
@@ -72,13 +74,16 @@ public List<Driver> getAll() {
     public Driver update(Driver driver) {
         String query = "UPDATE drivers "
                 + "SET name = ?, license_number = ? "
+                + ", login = ?, password = ? "
                 + "WHERE id = ? AND is_deleted = FALSE";
         try (Connection connection = ConnectionUtil.getConnection();
                 PreparedStatement statement
                         = connection.prepareStatement(query)) {
             statement.setString(1, driver.getName());
             statement.setString(2, driver.getLicenseNumber());
-            statement.setLong(3, driver.getId());
+            statement.setString(3, driver.getLogin());
+            statement.setString(4, driver.getPassword());
+            statement.setLong(5, driver.getId());
             statement.executeUpdate();
             return driver;
         } catch (SQLException e) {
@@ -98,14 +103,31 @@ public boolean delete(Long id) {
         }
     }
 
+    @Override
+    public Optional<Driver> findByLogin(String login) {
+        String query = "SELECT id, name, license_number, login, password "
+                + "FROM drivers WHERE login = ? AND is_deleted = FALSE;";
+        try (Connection connection = ConnectionUtil.getConnection();
+                PreparedStatement preparedStatement = connection.prepareStatement(query)) {
+            preparedStatement.setString(1, login);
+            ResultSet resultSet = preparedStatement.executeQuery();
+            while (resultSet.next()) {
+                return Optional.of(parseDriverFromResultSet(resultSet));
+            }
+        } catch (SQLException e) {
+            throw new DataProcessingException("Can't get driver by login " + login, e);
+        }
+        return Optional.empty();
+    }
+
     private Driver parseDriverFromResultSet(ResultSet resultSet) throws SQLException {
         Long id = resultSet.getObject("id", Long.class);
         String name = resultSet.getString("name");
         String licenseNumber = resultSet.getString("license_number");
-        Driver driver = new Driver();
+        String login = resultSet.getString("login");
+        String password = resultSet.getString("password");
+        Driver driver = new Driver(name, licenseNumber, login, password);
         driver.setId(id);
-        driver.setName(name);
-        driver.setLicenseNumber(licenseNumber);
         return driver;
     }
 }

src/main/java/taxi/exception/AuthenticationException.java

@@ -0,0 +1,7 @@
+package taxi.exception;
+
+public class AuthenticationException extends Exception {
+    public AuthenticationException(String message) {
+        super(message);
+    }
+}

src/main/java/taxi/model/Driver.java

@@ -6,13 +6,14 @@ public class Driver {
     private Long id;
     private String name;
     private String licenseNumber;
+    private String login;
+    private String password;
 
-    public Driver() {
-    }
-
-    public Driver(String name, String licenseNumber) {
+    public Driver(String name, String licenseNumber, String login, String password) {
         this.name = name;
         this.licenseNumber = licenseNumber;
+        this.login = login;
+        this.password = password;
     }
 
     public Long getId() {
@@ -39,6 +40,24 @@ public void setLicenseNumber(String licenseNumber) {
         this.licenseNumber = licenseNumber;
     }
 
+    public String getLogin() {
+        return login;
+    }
+
+    public Driver setLogin(String login) {
+        this.login = login;
+        return this;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public Driver setPassword(String password) {
+        this.password = password;
+        return this;
+    }
+
     @Override
     public boolean equals(Object o) {
         if (this == o) {
@@ -55,6 +74,6 @@ public boolean equals(Object o) {
 
     @Override
     public int hashCode() {
-        return Objects.hash(id, name, licenseNumber);
+        return Objects.hash(id, name, licenseNumber, login);
     }
 }

src/main/java/taxi/service/AuthenticationService.java

@@ -0,0 +1,8 @@
+package taxi.service;
+
+import taxi.exception.AuthenticationException;
+import taxi.model.Driver;
+
+public interface AuthenticationService {
+    Driver login(String login, String password) throws AuthenticationException;
+}

src/main/java/taxi/service/AuthenticationServiceImpl.java

@@ -0,0 +1,22 @@
+package taxi.service;
+
+import java.util.Optional;
+import taxi.exception.AuthenticationException;
+import taxi.lib.Inject;
+import taxi.lib.Service;
+import taxi.model.Driver;
+
+@Service
+public class AuthenticationServiceImpl implements AuthenticationService {
+    @Inject
+    private DriverService driverService;
+
+    @Override
+    public Driver login(String login, String password) throws AuthenticationException {
+        Optional<Driver> driverDaoByLogin = driverService.findByLogin(login);
+        if (password.equals(driverDaoByLogin.get().getPassword())) {
+            return driverDaoByLogin.get();
+        }
+        throw new AuthenticationException("Login or Password is incorrect.");
+    }
+}

src/main/java/taxi/service/DriverService.java

@@ -1,6 +1,8 @@
 package taxi.service;
 
+import java.util.Optional;
 import taxi.model.Driver;
 
 public interface DriverService extends GenericService<Driver> {
+    Optional<Driver> findByLogin(String login);
 }

src/main/java/taxi/service/DriverServiceImpl.java

@@ -2,6 +2,7 @@
 
 import java.util.List;
 import java.util.NoSuchElementException;
+import java.util.Optional;
 import taxi.dao.DriverDao;
 import taxi.lib.Inject;
 import taxi.lib.Service;
@@ -38,4 +39,9 @@ public Driver update(Driver driver) {
     public boolean delete(Long id) {
         return driverDao.delete(id);
     }
+
+    @Override
+    public Optional<Driver> findByLogin(String login) {
+        return driverDao.findByLogin(login);
+    }
 }

src/main/java/taxi/util/ConnectionUtil.java

@@ -6,10 +6,10 @@
 import java.util.Properties;
 
 public class ConnectionUtil {
-    private static final String URL = "YOUR DATABASE URL";
-    private static final String USERNAME = "YOUR USERNAME";
-    private static final String PASSWORD = "YOUR PASSWORD";
-    private static final String JDBC_DRIVER = "YOUR DRIVER";
+    private static final String URL = "jdbc:mysql://localhost:3306/taxi_service_db";
+    private static final String USERNAME = "root";
+    private static final String PASSWORD = "Password";
+    private static final String JDBC_DRIVER = "com.mysql.cj.jdbc.Driver";
 
     static {
         try {