Programmiermethoden_und_-werkzeuge
/
2023-2-WS_group_project_java-chat
5
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

Merge branch 'main' into client-handler

remotes/origin/client-handler
Valentin Spiroski 11 months ago
parent
0936bcd83e f416a63421
commit
c1ae0c8f61
8 changed files with 211 additions and 105 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 81
      .classpath
  2. 53
      pom.xml
  3. 11
      src/main/java/ChatServer.java
  4. 6
      src/main/java/ClientHandler.java
  5. 51
      src/main/java/CreateUser.java
  6. 48
      src/main/java/LoginGUI.java
  7. 39
      src/main/java/SignUpGUI.java
  8. 27
      user.json

81
.classpath
View File

@ -1,40 +1,41 @@
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" output="target/classes" path="src/main/java">
<attributes>
<attribute name="optional" value="true"/>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources">
<attributes>
<attribute name="maven.pomderived" value="true"/>
<attribute name="optional" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="src" output="target/test-classes" path="src/test/java">
<attributes>
<attribute name="optional" value="true"/>
<attribute name="maven.pomderived" value="true"/>
<attribute name="test" value="true"/>
</attributes>
</classpathentry>
<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources">
<attributes>
<attribute name="maven.pomderived" value="true"/>
<attribute name="test" value="true"/>
<attribute name="optional" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
<attributes>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
<attributes>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="output" path="target/classes"/>
</classpath>
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" output="target/classes" path="src/main/java">
<attributes>
<attribute name="optional" value="true"/>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources">
<attributes>
<attribute name="maven.pomderived" value="true"/>
<attribute name="optional" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="src" output="target/test-classes" path="src/test/java">
<attributes>
<attribute name="optional" value="true"/>
<attribute name="maven.pomderived" value="true"/>
<attribute name="test" value="true"/>
</attributes>
</classpathentry>
<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources">
<attributes>
<attribute name="maven.pomderived" value="true"/>
<attribute name="test" value="true"/>
<attribute name="optional" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
<attributes>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
<attributes>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/5"/>
<classpathentry kind="output" path="target/classes"/>
</classpath>

53
pom.xml
View File

@ -1,24 +1,29 @@
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.progmethoden</groupId>
<artifactId>java-chat</artifactId>
<version>0.0.1-SNAPSHOT</version>
<dependencies>
<!-- https://mvnrepository.com/artifact/com.google.code.gson/gson -->
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.10.1</version>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>4.1.10</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.progmethoden</groupId>
<artifactId>java-chat</artifactId>
<version>0.0.1-SNAPSHOT</version>
<dependencies>
<!-- https://mvnrepository.com/artifact/com.google.code.gson/gson -->
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.10.1</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
<version>RELEASE</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>

11
src/main/java/ChatServer.java
View File

@ -39,10 +39,10 @@ public class ChatServer {
}
// Methode, um eine Nachricht an alle verbundenen Clients zu senden
public void broadcastMessage(String message) {
System.out.println(message);
if (message != null) {
for (ClientHandler client : clients) {
client.sendMessage(message); // Nachricht an jeden Client senden
System.out.println(message);
if (message != null) {
for (ClientHandler client : clients) {
client.sendMessage(message);
}
}
@ -56,5 +56,8 @@ public class ChatServer {
public void removeClient(ClientHandler client) {
clients.remove(client);
}
public List<ClientHandler> getClients() {
return clients;
}
}

6
src/main/java/ClientHandler.java
View File

@ -1,6 +1,8 @@
import java.io.*;
import java.net.Socket;
import javax.swing.JOptionPane;
public class ClientHandler implements Runnable {
private ChatServer chatServer;
private Socket connectionToClient;
@ -12,7 +14,7 @@ public class ClientHandler implements Runnable {
public ClientHandler(ChatServer chatServer, Socket connectionToClient) {
this.chatServer = chatServer;
this.connectionToClient = connectionToClient;
name = connectionToClient.getInetAddress().getHostAddress(); // Use the client's IP address as their name for simplicity
name = JOptionPane.showInputDialog("Benutzername für neuen Client vergeben");
new Thread(this).start();} // Start a new thread for this client handler
@ -62,4 +64,4 @@ public class ClientHandler implements Runnable {
toClientWriter.println(message); // Send the message to the client
toClientWriter.flush(); // Flush the stream
}
}
}

51
src/main/java/CreateUser.java
View File

@ -10,6 +10,9 @@ import java.util.List;
import java.io.FileWriter;
import java.io.IOException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.UUID;
class CreateUser {
@ -17,15 +20,19 @@ class CreateUser {
private String userName;
private String password;
private String birthday;
private String firstName;
private String surname;
private boolean stayLoggedIn;
// Constructor
public CreateUser(String id, String name, String password, String birthday) {
public CreateUser(String id, String name, String password, String birthday, String firstName, String surname) {
this.id = id;
this.userName = name;
this.password = password;
this.password = hashPassword(password);
this.birthday = birthday;
this.firstName = firstName;
this.surname = surname;
}
// Getters and Setters
@ -61,6 +68,22 @@ class CreateUser {
this.birthday = birthday;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String surname() {
return firstName;
}
public void surname(String firstName) {
this.firstName = firstName;
}
public boolean isStayLoggedIn() {
return stayLoggedIn;
}
@ -70,7 +93,7 @@ class CreateUser {
}
// Function to create user with validation
public static CreateUser createUser(String id, String userName, String password, String birthday) {
public static CreateUser createUser(String id, String userName, String password, String birthday, String firstName, String surname) {
if (userName == null || userName.isEmpty()) {
throw new IllegalArgumentException("Username cannot be empty");
}
@ -79,7 +102,25 @@ class CreateUser {
}
if (password.length() < 6) {
throw new IllegalArgumentException("Password must be at least 6 characters long");
} return new CreateUser(id, userName, password, birthday);
} return new CreateUser(id, userName, password, birthday, firstName, surname);
}
// Function to hash the password using SHA-256 algorithm
private String hashPassword(String password) {
try {
MessageDigest digest = MessageDigest.getInstance("SHA-256");
byte[] hash = digest.digest(password.getBytes());
StringBuilder hexString = new StringBuilder();
for (byte b : hash) {
String hex = Integer.toHexString(0xff & b);
if (hex.length() == 1) hexString.append('0');
hexString.append(hex);
}
return hexString.toString();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
return null;
}
}
// Function to save to JSON file, replace with database call later
@ -135,7 +176,7 @@ class CreateUser {
try {
// Example usage
UUID randomUUID = UUID.randomUUID();
CreateUser user = createUser(randomUUID.toString(), "Test User", "TestPasswort123", "01.01.2000");
CreateUser user = createUser(randomUUID.toString(), "Hash Test", "123456", "01.01.2000", "Hans", "Wurst");
// Example of accessing properties
System.out.println("UserID: " + user.getId());

48
src/main/java/LoginGUI.java
View File

@ -5,15 +5,19 @@ import java.util.List;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class LoginGUI extends JFrame implements ActionListener {
private JTextField usernameField;
private JPasswordField passwordField;
private JButton loginButton;
private JCheckBox stayLoggedInCheckbox;
private JButton signUpButton;
public LoginGUI() {
setTitle("Login");
setSize(300, 180);
setSize(300, 220);
setDefaultCloseOperation(EXIT_ON_CLOSE);
setLayout(null);
@ -42,6 +46,11 @@ public class LoginGUI extends JFrame implements ActionListener {
loginButton.addActionListener(this);
add(loginButton);
signUpButton = new JButton("Sign Up");
signUpButton.setBounds(100, 140, 100, 25); // Adjusted position
signUpButton.addActionListener(this);
add(signUpButton);
getRootPane().setDefaultButton(loginButton);
passwordField.addKeyListener(new EnterKeyListener());
@ -51,6 +60,10 @@ public class LoginGUI extends JFrame implements ActionListener {
public void actionPerformed(ActionEvent e) {
boolean stayLoggedIn = stayLoggedInCheckbox.isSelected();
String username = usernameField.getText();
// Set stayLoggedIn to false if the checkbox is unchecked
if (!stayLoggedInCheckbox.isSelected()) {
stayLoggedIn = false;
}
updateStayLoggedIn(username, stayLoggedIn);
}
});
@ -61,6 +74,10 @@ public class LoginGUI extends JFrame implements ActionListener {
public void actionPerformed(ActionEvent e) {
if (e.getSource() == loginButton) {
login();
}else if (e.getSource() == signUpButton) {
SignUpGUI signUpGUI = new SignUpGUI();
signUpGUI.setVisible(true);
}
}
@ -88,15 +105,38 @@ public class LoginGUI extends JFrame implements ActionListener {
private boolean authenticateUser(String username, String password) {
List<CreateUser> userList = CreateUser.readUserListFromJsonFile("user.json");
if (userList != null) {
for (CreateUser user : userList) {
if (user.getUserName().equals(username) && user.getPassword().equals(password)) {
return true; //Success
for (CreateUser user : userList) {
if (user.getUserName().equals(username)) {
// Hash the user input password
String hashedPassword = hashPassword(password);
// Compare the hashed passwords
if (user.getPassword().equals(hashedPassword)) {
return true; // Success
}
}
}
}
return false; // Fail
}
private String hashPassword(String password) {
try {
MessageDigest digest = MessageDigest.getInstance("SHA-256");
byte[] hash = digest.digest(password.getBytes());
StringBuilder hexString = new StringBuilder();
for (byte b : hash) {
String hex = Integer.toHexString(0xff & b);
if (hex.length() == 1) {
hexString.append('0');
}
hexString.append(hex);
}
return hexString.toString();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
return null;
}
}
private class EnterKeyListener implements KeyListener {
@Override

39
src/main/java/SignUpGUI.java
View File

@ -5,12 +5,12 @@ import java.util.List;
import java.util.UUID;
public class SignUpGUI extends JFrame implements ActionListener {
private JTextField usernameField, passwordField, confirmPasswordField, birthdayField;
private JTextField usernameField, passwordField, confirmPasswordField, birthdayField, firstNameField, surnameField;
private JButton signUpButton;
public SignUpGUI() {
setTitle("Sign Up");
setSize(300, 250);
setSize(400, 300); // Adjusted size for accommodating more fields
setDefaultCloseOperation(EXIT_ON_CLOSE);
setLayout(null);
@ -19,7 +19,7 @@ public class SignUpGUI extends JFrame implements ActionListener {
add(usernameLabel);
usernameField = new JTextField();
usernameField.setBounds(100, 20, 160, 25);
usernameField.setBounds(140, 20, 160, 25);
add(usernameField);
JLabel passwordLabel = new JLabel("Password:");
@ -27,7 +27,7 @@ public class SignUpGUI extends JFrame implements ActionListener {
add(passwordLabel);
passwordField = new JPasswordField();
passwordField.setBounds(100, 50, 160, 25);
passwordField.setBounds(140, 50, 160, 25);
add(passwordField);
JLabel confirmPasswordLabel = new JLabel("Confirm Password:");
@ -35,22 +35,37 @@ public class SignUpGUI extends JFrame implements ActionListener {
add(confirmPasswordLabel);
confirmPasswordField = new JPasswordField();
confirmPasswordField.setBounds(140, 80, 120, 25);
confirmPasswordField.setBounds(140, 80, 160, 25);
add(confirmPasswordField);
JLabel firstNameLabel = new JLabel("First Name:"); // New field for first name
firstNameLabel.setBounds(20, 110, 80, 25);
add(firstNameLabel);
firstNameField = new JTextField();
firstNameField.setBounds(140, 110, 160, 25);
add(firstNameField);
JLabel surnameLabel = new JLabel("Surname:"); // New field for surname
surnameLabel.setBounds(20, 140, 80, 25);
add(surnameLabel);
surnameField = new JTextField();
surnameField.setBounds(140, 140, 160, 25);
add(surnameField);
JLabel birthdayLabel = new JLabel("Birthday:");
birthdayLabel.setBounds(20, 110, 80, 25);
birthdayLabel.setBounds(20, 170, 80, 25);
add(birthdayLabel);
birthdayField = new JTextField();
birthdayField.setBounds(100, 110, 160, 25);
birthdayField.setBounds(140, 170, 160, 25);
add(birthdayField);
signUpButton = new JButton("Sign Up");
signUpButton.setBounds(100, 150, 100, 25);
signUpButton.setBounds(140, 210, 100, 25); // Adjusted position
signUpButton.addActionListener(this);
add(signUpButton);
}
@Override
@ -60,6 +75,8 @@ public class SignUpGUI extends JFrame implements ActionListener {
String password = passwordField.getText();
String confirmPassword = confirmPasswordField.getText();
String birthday = birthdayField.getText();
String firstName = firstNameField.getText();
String surname = surnameField.getText();
if (!password.equals(confirmPassword)) {
JOptionPane.showMessageDialog(this, "Passwords do not match!", "Sign Up Error", JOptionPane.ERROR_MESSAGE);
@ -72,7 +89,7 @@ public class SignUpGUI extends JFrame implements ActionListener {
}
try {
UUID randomUUID = UUID.randomUUID();
CreateUser user = CreateUser.createUser(randomUUID.toString(), username, password, birthday);
CreateUser user = CreateUser.createUser(randomUUID.toString(), username, password, birthday, firstName, surname);
user.saveToJsonFile("user.json");
JOptionPane.showMessageDialog(this, "User signed up successfully!");
dispose();

27
user.json
View File

@ -1,23 +1,20 @@
[
{
"id": "a2864d79-1079-4cbb-8d77-f5f84995580d",
"userName": "Another Test User",
"password": "TestPasswort123",
"birthday": "01.01.2000",
"id": "d7ae19fe-4684-4d69-a73d-4cca612962a3",
"userName": "Test",
"password": "8d969eef6ecad3c29a3a629280e686cf0c3f5d5a86aff3ca12020c923adc6c92",
"birthday": "",
"firstName": "",
"surname": "",
"stayLoggedIn": false
},
{
"id": "3690702d-9c7e-48fb-8a01-ef89b3b76268",
"userName": "TestUser2",
"password": "123456",
"birthday": "01.01.2000",
"id": "2ec2c0c5-677c-4262-8958-fef98d11cc63",
"userName": "Test2",
"password": "8d969eef6ecad3c29a3a629280e686cf0c3f5d5a86aff3ca12020c923adc6c92",
"birthday": "",
"firstName": "",
"surname": "",
"stayLoggedIn": false
},
{
"id": "685bc3a6-e706-4214-a5e1-8443d1a5258e",
"userName": "Test User",
"password": "Test",
"birthday": "01.01.2000",
"stayLoggedIn": true
}
]
Write Preview
Loading…
Cancel
Save