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/*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
import javax.mail.*;
import java.net.InetAddress;
import java.awt.*;
import javax.swing.*;
/**
* Simple Authenticator for requesting password information.
*
* @author Christopher Cotton
* @author Bill Shannon
*/
public class SimpleAuthenticator extends Authenticator {
Frame frame;
String username;
String password;
public SimpleAuthenticator(Frame f) {
this.frame = f;
}
protected PasswordAuthentication getPasswordAuthentication() {
// given a prompt?
String prompt = getRequestingPrompt();
if (prompt == null)
prompt = "Please login...";
// protocol
String protocol = getRequestingProtocol();
if (protocol == null)
protocol = "Unknown protocol";
// get the host
String host = null;
InetAddress inet = getRequestingSite();
if (inet != null)
host = inet.getHostName();
if (host == null)
host = "Unknown host";
// port
String port = "";
int portnum = getRequestingPort();
if (portnum != -1)
port = ", port " + portnum + " ";
// Build the info string
String info = "Connecting to " + protocol + " mail service on host " +
host + port;
//JPanel d = new JPanel();
// XXX - for some reason using a JPanel here causes JOptionPane
// to display incorrectly, so we workaround the problem using
// an anonymous JComponent.
JComponent d = new JComponent() { };
GridBagLayout gb = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints();
d.setLayout(gb);
c.insets = new Insets(2, 2, 2, 2);
c.anchor = GridBagConstraints.WEST;
c.gridwidth = GridBagConstraints.REMAINDER;
c.weightx = 0.0;
d.add(constrain(new JLabel(info), gb, c));
d.add(constrain(new JLabel(prompt), gb, c));
c.gridwidth = 1;
c.anchor = GridBagConstraints.EAST;
c.fill = GridBagConstraints.NONE;
c.weightx = 0.0;
d.add(constrain(new JLabel("Username:"), gb, c));
c.anchor = GridBagConstraints.EAST;
c.fill = GridBagConstraints.HORIZONTAL;
c.gridwidth = GridBagConstraints.REMAINDER;
c.weightx = 1.0;
String user = getDefaultUserName();
JTextField username = new JTextField(user, 20);
d.add(constrain(username, gb, c));
c.gridwidth = 1;
c.fill = GridBagConstraints.NONE;
c.anchor = GridBagConstraints.EAST;
c.weightx = 0.0;
d.add(constrain(new JLabel("Password:"), gb, c));
c.anchor = GridBagConstraints.EAST;
c.fill = GridBagConstraints.HORIZONTAL;
c.gridwidth = GridBagConstraints.REMAINDER;
c.weightx = 1.0;
JPasswordField password = new JPasswordField("", 20);
d.add(constrain(password, gb, c));
// XXX - following doesn't work
if (user != null && user.length() > 0)
password.requestFocus();
else
username.requestFocus();
int result = JOptionPane.showConfirmDialog(frame, d, "Login",
JOptionPane.OK_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE);
if (result == JOptionPane.OK_OPTION)
return new PasswordAuthentication(username.getText(),
password.getText());
else
return null;
}
private Component constrain(Component cmp,
GridBagLayout gb, GridBagConstraints c) {
gb.setConstraints(cmp, c);
return (cmp);
}
}