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TLC Command Base Utilities and Classes
/*******************************************************************************
* The Last Check, LLC
* 9499 Grove Trail Lane
* Germantown, TN 38139
*
* Unauthorized distribution, adaptation or use may be subject to civil and
* criminal penalties.
*
* Copyright (c) 2015, The Last Check, LLC, All rights reserved.
******************************************************************************/
package com.thelastcheck.commons.base.security.viewer;
import com.thelastcheck.commons.base.security.Credentials;
import com.thelastcheck.commons.base.security.CredentialsReader;
import com.thelastcheck.commons.base.security.CredentialsWriter;
import javafx.application.Application;
import javafx.application.Platform;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.PasswordField;
import javafx.scene.control.TextField;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.HBox;
import javafx.scene.paint.Color;
import javafx.scene.text.Font;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
import javafx.stage.Stage;
import javafx.stage.WindowEvent;
import java.io.File;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Date;
public class CredentialsViewer extends Application {
private static String[] commandLineArgs;
private Text messageText;
private TextField userName;
private PasswordField password1;
private PasswordField password2;
private TextField filename;
private TextField fileLocation;
public static void main(String[] args) {
commandLineArgs = args;
launch(args);
}
@Override
public void start(Stage primaryStage) {
primaryStage.setTitle("Setup Credentials File");
// primaryStage.initModality(Modality.APPLICATION_MODAL);
GridPane grid = createGrid();
int row = 0;
row = addInputFields(grid, row);
setDefaultValues();
row = addButtons(grid, row);
row = addMessageText(grid, row);
Scene scene = new Scene(grid, 700, 275);
// Scene scene = new Scene(grid);
primaryStage.setScene(scene);
primaryStage.setOnCloseRequest(closeEventHandler());
primaryStage.show();
}
private EventHandler closeEventHandler() {
return new EventHandler() {
@Override
public void handle(WindowEvent windowEvent) {
Platform.exit();
}
};
}
private void setDefaultValues() {
String defaultFileLocation = "../etc";
if (commandLineArgs.length >= 2) {
if (commandLineArgs[0].equals("-d")) {
defaultFileLocation = commandLineArgs[1];
}
}
Path path = Paths.get(defaultFileLocation);
path = path.normalize();
fileLocation.setText(path.toString());
}
private int addMessageText(GridPane grid, int row) {
messageText = new Text();
grid.add(messageText, 1, row++);
return row;
}
private int addButtons(GridPane grid, int row) {
Button exitButton = addExitButton();
Button writeButton = addWriteButton();
Button readButton = addReadButton();
HBox hbBtn = new HBox(10);
hbBtn.setAlignment(Pos.BOTTOM_RIGHT);
hbBtn.getChildren().addAll(writeButton, readButton, exitButton);
grid.add(hbBtn, 1, row++);
return row;
}
private Button addExitButton() {
Button btn = new Button("Exit");
btn.setOnAction(new EventHandler() {
@Override
public void handle(ActionEvent e) {
Platform.exit();
}
});
return btn;
}
private Button addWriteButton() {
Button btn = new Button("Write File");
btn.setDefaultButton(true);
btn.setOnAction(new EventHandler() {
@Override
public void handle(ActionEvent e) {
messageText.setFill(Color.FIREBRICK);
messageText.setText("Write to file...");
if (isValidData()) {
writeToFile();
}
}
});
return btn;
}
private Button addReadButton() {
Button btn = new Button("Read File");
btn.setOnAction(new EventHandler() {
@Override
public void handle(ActionEvent e) {
messageText.setFill(Color.FIREBRICK);
readFromFile();
}
});
return btn;
}
private void writeToFile() {
String user = System.getProperty("user.name");
String userdata = "File created by " + user + " on " + new Date();
Credentials credentials = new Credentials(userName.getText().trim(), password1.getText().trim(), userdata);
String filename = checkFileSuffix();
File file = new File(fileLocation.getText().trim(), filename);
CredentialsWriter writer = new CredentialsWriter(file);
try {
writer.write(credentials);
} catch (Exception e) {
messageText.setText("Error occurred: " + e.getLocalizedMessage());
this.filename.requestFocus();
return;
}
messageText.setText("Write complete. " + userdata);
userName.requestFocus();
}
private String checkFileSuffix() {
String filename = this.filename.getText().trim();
if (!filename.endsWith(".credentials")) {
filename = filename + ".credentials";
this.filename.setText(filename);
}
return filename;
}
private void readFromFile() {
String filename = checkFileSuffix();
File file = new File(fileLocation.getText().trim(), filename);
try {
CredentialsReader reader = new CredentialsReader(file);
Credentials credentials = reader.read();
userName.setText(credentials.getUsername());
password1.setText(credentials.getPassword());
password2.setText(credentials.getPassword());
messageText.setText(credentials.getUserData());
} catch (Exception e) {
messageText.setText("Error occurred: " + e.getLocalizedMessage());
this.filename.requestFocus();
return;
}
userName.requestFocus();
}
private boolean isValidData() {
if (userName.getText().trim().length() < 1) {
userName.requestFocus();
messageText.setText("User name is required");
return false;
}
if (password1.getText().trim().length() < 1) {
password1.requestFocus();
messageText.setText("Password is required");
return false;
}
if (!password1.getText().trim().equals(password2.getText())) {
password1.requestFocus();
messageText.setText("Passwords are not the same");
return false;
}
if (filename.getText().trim().length() < 1) {
filename.requestFocus();
messageText.setText("Filename is required");
return false;
}
if (fileLocation.getText().trim().length() < 1) {
fileLocation.requestFocus();
messageText.setText("File location is required");
return false;
}
File file = new File(fileLocation.getText().trim());
if (!file.exists() || !file.isDirectory()) {
fileLocation.requestFocus();
messageText.setText("File location missing or is not a directory");
return false;
}
return true;
}
private int addInputFields(GridPane grid, int row) {
Text scenetitle = new Text("Credentials");
scenetitle.setFont(Font.font("Tahoma", FontWeight.NORMAL, 20));
grid.add(scenetitle, 0, row++, 2, 1);
grid.add(new Label("User Name:"), 0, row);
userName = new TextField();
userName.setMaxWidth(200);
grid.add(userName, 1, row++);
grid.add(new Label("Password:"), 0, row);
password1 = new PasswordField();
password1.setMaxWidth(200);
grid.add(password1, 1, row++);
grid.add(new Label("Reenter Password:"), 0, row);
password2 = new PasswordField();
password2.setMaxWidth(200);
grid.add(password2, 1, row++);
grid.add(new Label("Filename:"), 0, row);
filename = new TextField();
filename.setMaxWidth(525);
grid.add(filename, 1, row++);
grid.add(new Label("File Location:"), 0, row);
fileLocation = new TextField();
fileLocation.setPrefWidth(525);
grid.add(fileLocation, 1, row++);
// grid.setGridLinesVisible(true);
return row;
}
private GridPane createGrid() {
GridPane grid = new GridPane();
grid.setAlignment(Pos.CENTER);
grid.setHgap(10);
grid.setVgap(10);
grid.setPadding(new Insets(25, 25, 25, 25));
return grid;
}
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