* added desktop client

Signed-off-by: CubeBit <denis-seredenko@ukr.net>
This commit is contained in:
2023-08-03 19:08:19 +02:00
parent 3b6d18a83b
commit 590b989b1b
8 changed files with 41 additions and 47 deletions

View File

@@ -1,8 +1,8 @@
package org.orinprojects.desktop;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.geometry.Insets;
import javafx.scene.control.Alert;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
@@ -20,8 +20,8 @@ import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import static org.orinprojects.desktop.Main.aesKey;
import static org.orinprojects.desktop.Main.keys;
import static org.orinprojects.desktop.DesktopClient.aesKey;
import static org.orinprojects.desktop.DesktopClient.keys;
public class ChatController {
@@ -90,11 +90,13 @@ public class ChatController {
}
public void sendMessage() throws IllegalBlockSizeException, NoSuchPaddingException, BadPaddingException, NoSuchAlgorithmException, InvalidKeyException, InvalidAlgorithmParameterException {
if (!clientThread.aesReceived && !clientThread.rsaReceived)
System.out.println("Wait for complete initialisation!");
if (!clientThread.aesReceived && !clientThread.rsaReceived) {
Alert alert = new Alert(Alert.AlertType.WARNING, "Wait for complete initialisation!");
alert.showAndWait();
}
if (clientThread.rsaReceived && clientThread.aesReceived) {
String encryptedText = EncryptionUtil.encryptWithAES(messageTextInput.getText(), aesKey, Main.ivKey);
String encryptedText = EncryptionUtil.encryptWithAES(messageTextInput.getText(), aesKey, DesktopClient.ivKey);
clientThread.out.println("TXT" + encryptedText);
clientThread.out.flush();
}

View File

@@ -2,6 +2,7 @@ package org.orinprojects.desktop;
import javafx.application.Platform;
import javafx.geometry.Insets;
import javafx.scene.control.Alert;
import javafx.scene.control.Label;
import javafx.scene.layout.VBox;
import javafx.scene.text.Font;
@@ -33,6 +34,8 @@ public class ClientThread implements Runnable {
boolean aesReceived = false;
private boolean running = true;
Text messageExample;
VBox messagesBox;
@@ -47,33 +50,30 @@ public class ClientThread implements Runnable {
@Override
public void run() {
while (clientSocket.isConnected()) {
while (clientSocket.isConnected() && running) {
try {
String receivedMessage = in.readLine();
String prefix = receivedMessage.substring(0, 3);
String restMessage = receivedMessage.substring(3);
if (prefix.equals("RSA") && !rsaReceived) {
Main.serverPublicRSA = EncryptionUtil.stringToPublicKey(restMessage);
DesktopClient.serverPublicRSA = EncryptionUtil.stringToPublicKey(restMessage);
rsaReceived = true;
continue;
}
if (prefix.equals("AES") && !aesReceived) {
String decryptedAES = EncryptionUtil.decryptWithRSA(restMessage, Main.keys.getPrivate());
Main.aesKey = EncryptionUtil.aesKeyFromString(decryptedAES);
String decryptedAES = EncryptionUtil.decryptWithRSA(restMessage, DesktopClient.keys.getPrivate());
DesktopClient.aesKey = EncryptionUtil.aesKeyFromString(decryptedAES);
aesReceived = true;
continue;
}
if (prefix.equals("IVK")) {
String decryptedIVKey = EncryptionUtil.decryptWithRSA(restMessage, Main.keys.getPrivate());
Main.ivKey = EncryptionUtil.ivKeyFromString(decryptedIVKey);
continue;
String decryptedIVKey = EncryptionUtil.decryptWithRSA(restMessage, DesktopClient.keys.getPrivate());
DesktopClient.ivKey = EncryptionUtil.ivKeyFromString(decryptedIVKey);
}
if (prefix.equals("TXT") && aesReceived && rsaReceived) {
String decryptedMessage = EncryptionUtil.decryptWithAES(restMessage, Main.aesKey, Main.ivKey);
String decryptedMessage = EncryptionUtil.decryptWithAES(restMessage, DesktopClient.aesKey, DesktopClient.ivKey);
Label text = new Label(decryptedMessage);
text.setFont(new Font(14));
@@ -83,8 +83,12 @@ public class ClientThread implements Runnable {
}
} catch (NoSuchPaddingException | IllegalBlockSizeException | IOException | NoSuchAlgorithmException |
InvalidKeySpecException | BadPaddingException |InvalidKeyException | InvalidAlgorithmParameterException e) {
System.err.println("Disconnected from server!");
System.exit(-1);
Platform.runLater(() -> {
Alert alert = new Alert(Alert.AlertType.ERROR, "Disconnected from server!");
alert.show();
});
running = false;
closeAllConnections(clientSocket, in, out);
}
}

View File

@@ -13,10 +13,7 @@ import java.security.KeyPair;
import java.security.NoSuchAlgorithmException;
import java.security.PublicKey;
/**
* JavaFX App
*/
public class Main extends Application {
public class DesktopClient extends Application {
static KeyPair keys;