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117 lines
3.1 KiB
Java
117 lines
3.1 KiB
Java
//
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// Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
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// Copyright (C) 2002-2006 Constantin Kaplinsky. All Rights Reserved.
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//
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// This is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This software is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this software; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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//
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import java.awt.*;
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import java.awt.event.*;
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//
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// The panel which implements the user authentication scheme
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//
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class AuthPanel extends Panel implements ActionListener {
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TextField passwordField;
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Button okButton;
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//
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// Constructor.
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//
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public AuthPanel(ConsoleViewer viewer)
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{
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Label titleLabel = new Label("VNC Authentication", Label.CENTER);
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titleLabel.setFont(new Font("Helvetica", Font.BOLD, 18));
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Label promptLabel = new Label("Password:", Label.CENTER);
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passwordField = new TextField(10);
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passwordField.setForeground(Color.black);
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passwordField.setBackground(Color.white);
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passwordField.setEchoChar('*');
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okButton = new Button("OK");
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GridBagLayout gridbag = new GridBagLayout();
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GridBagConstraints gbc = new GridBagConstraints();
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setLayout(gridbag);
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gbc.gridwidth = GridBagConstraints.REMAINDER;
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gbc.insets = new Insets(0,0,20,0);
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gridbag.setConstraints(titleLabel,gbc);
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add(titleLabel);
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gbc.fill = GridBagConstraints.NONE;
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gbc.gridwidth = 1;
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gbc.insets = new Insets(0,0,0,0);
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gridbag.setConstraints(promptLabel,gbc);
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add(promptLabel);
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gridbag.setConstraints(passwordField,gbc);
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add(passwordField);
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passwordField.addActionListener(this);
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// gbc.ipady = 10;
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gbc.gridwidth = GridBagConstraints.REMAINDER;
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gbc.fill = GridBagConstraints.BOTH;
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gbc.insets = new Insets(0,20,0,0);
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gbc.ipadx = 30;
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gridbag.setConstraints(okButton,gbc);
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add(okButton);
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okButton.addActionListener(this);
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}
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//
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// Move keyboard focus to the default object, that is, the password
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// text field.
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//
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public void moveFocusToDefaultField()
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{
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passwordField.requestFocus();
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}
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//
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// This method is called when a button is pressed or return is
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// pressed in the password text field.
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//
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public synchronized void actionPerformed(ActionEvent evt)
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{
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if (evt.getSource() == passwordField || evt.getSource() == okButton) {
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passwordField.setEnabled(false);
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notify();
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}
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}
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//
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// Wait for user entering a password, and return it as String.
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//
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public synchronized String getPassword() throws Exception
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{
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try {
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wait();
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} catch (InterruptedException e) { }
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return passwordField.getText();
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}
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}
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