| /******************************************************************************* |
| * Copyright (C) 2007 The University of Manchester |
| * |
| * Modifications to the initial code base are copyright of their |
| * respective authors, or their employers as appropriate. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public License |
| * as published by the Free Software Foundation; either version 2.1 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| ******************************************************************************/ |
| package net.sf.taverna.t2.workbench.file.impl.actions; |
| |
| import static java.awt.EventQueue.invokeLater; |
| import static javax.swing.JOptionPane.ERROR_MESSAGE; |
| import static javax.swing.JOptionPane.showMessageDialog; |
| |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.io.IOException; |
| import java.net.HttpURLConnection; |
| import java.net.URL; |
| |
| import javax.swing.JButton; |
| import javax.swing.JFrame; |
| import javax.swing.JLabel; |
| import javax.swing.JPasswordField; |
| import javax.swing.JTextField; |
| |
| import net.sf.taverna.t2.workbench.helper.HelpEnabledDialog; |
| |
| import org.apache.commons.codec.binary.Base64; |
| import org.apache.log4j.Logger; |
| |
| /** |
| * Simple dialogue to handle username/password input for workflow URL requiring |
| * http authentication. |
| * |
| * @author Stuart Owen |
| * @author Stian Soiland-Reyes |
| * @author Alan R Williams |
| */ |
| @SuppressWarnings("serial") |
| public class PasswordInput extends HelpEnabledDialog { |
| private static Logger logger = Logger.getLogger(PasswordInput.class); |
| |
| private String password = null; |
| private String username = null; |
| private URL url = null; |
| private int tryCount = 0; |
| private final static int MAX_TRIES = 3; |
| |
| private JButton cancelButton; |
| private JLabel jLabel1; |
| private JLabel jLabel2; |
| private JLabel messageLabel; |
| private JButton okButton; |
| private JPasswordField passwordTextField; |
| private JLabel urlLabel; |
| private JTextField usernameTextField; |
| |
| public void setUrl(URL url) { |
| this.url = url; |
| urlLabel.setText(url.toExternalForm()); |
| } |
| |
| public String getPassword() { |
| return password; |
| } |
| |
| public String getUsername() { |
| return username; |
| } |
| |
| public PasswordInput(JFrame parent) { |
| super(parent, "Authorization", true, null); |
| initComponents(); |
| } |
| |
| /** Creates new form PasswordInput */ |
| public PasswordInput() { |
| super((JFrame) null, "Authorization", true, null); |
| initComponents(); |
| } |
| |
| /** |
| * This method is called from within the constructor to initialize the form. |
| * WARNING: Do NOT modify this code. The content of this method is always |
| * regenerated by the Form Editor. |
| */ |
| private void initComponents() { |
| usernameTextField = new javax.swing.JTextField(); |
| cancelButton = new javax.swing.JButton(); |
| okButton = new javax.swing.JButton(); |
| passwordTextField = new javax.swing.JPasswordField(); |
| jLabel1 = new javax.swing.JLabel(); |
| jLabel2 = new javax.swing.JLabel(); |
| messageLabel = new javax.swing.JLabel(); |
| urlLabel = new javax.swing.JLabel(); |
| |
| getContentPane().setLayout(null); |
| |
| setModal(true); |
| // setResizable(false); |
| getContentPane().add(usernameTextField); |
| usernameTextField.setBounds(20, 80, 280, 22); |
| |
| cancelButton.setText("Cancel"); |
| cancelButton.addActionListener(new ActionListener() { |
| @Override |
| public void actionPerformed(ActionEvent evt) { |
| cancelButtonActionPerformed(evt); |
| } |
| }); |
| |
| getContentPane().add(cancelButton); |
| cancelButton.setBounds(230, 160, 75, 29); |
| |
| okButton.setText("OK"); |
| okButton.addActionListener(new ActionListener() { |
| @Override |
| public void actionPerformed(ActionEvent evt) { |
| okButtonActionPerformed(evt); |
| } |
| }); |
| |
| getContentPane().add(okButton); |
| okButton.setBounds(150, 160, 75, 29); |
| |
| getContentPane().add(passwordTextField); |
| passwordTextField.setBounds(20, 130, 280, 22); |
| |
| jLabel1.setText("Username"); |
| getContentPane().add(jLabel1); |
| jLabel1.setBounds(20, 60, 70, 16); |
| |
| jLabel2.setText("Password"); |
| getContentPane().add(jLabel2); |
| jLabel2.setBounds(20, 110, 70, 16); |
| |
| messageLabel.setText("A username and password is required for:"); |
| getContentPane().add(messageLabel); |
| messageLabel.setBounds(20, 10, 270, 20); |
| |
| urlLabel.setText("service"); |
| getContentPane().add(urlLabel); |
| urlLabel.setBounds(20, 30, 270, 16); |
| |
| pack(); |
| } |
| |
| private void okButtonActionPerformed(ActionEvent evt) {//GEN-FIRST:event_okButtonActionPerformed |
| String password = String.valueOf(passwordTextField.getPassword()); |
| String username = usernameTextField.getText(); |
| HttpURLConnection connection; |
| try { |
| connection = (HttpURLConnection) url.openConnection(); |
| String userPassword = username + ":" + password; |
| /* |
| * Note: non-latin1 support for basic auth is fragile/unsupported |
| * and must be MIME-encoded (RFC2047) according to |
| * https://bugzilla.mozilla.org/show_bug.cgi?id=41489 |
| */ |
| byte[] encoded = Base64.encodeBase64(userPassword |
| .getBytes("latin1")); |
| connection.setRequestProperty("Authorization", "Basic " |
| + new String(encoded, "ascii")); |
| connection.setRequestProperty("Accept", "text/xml"); |
| int code = connection.getResponseCode(); |
| |
| /* |
| * NB: myExperiment gives a 500 response for an invalid |
| * username/password |
| */ |
| if (code == 401 || code == 500) { |
| tryCount++; |
| showMessageDialog(this, "The username and password failed", |
| "Invalid username or password", ERROR_MESSAGE); |
| if (tryCount >= MAX_TRIES) { // close after 3 attempts. |
| this.password = null; |
| this.username = null; |
| this.setVisible(false); |
| } |
| } else { |
| this.username = username; |
| this.password = password; |
| this.setVisible(false); |
| } |
| } catch (IOException ex) { |
| logger.error("Could not get password", ex); |
| } |
| } |
| |
| private void cancelButtonActionPerformed(ActionEvent evt) { |
| this.password = null; |
| this.username = null; |
| this.setVisible(false); |
| } |
| |
| /** |
| * @param args |
| * the command line arguments |
| */ |
| public static void main(String args[]) { |
| invokeLater(new Runnable() { |
| @Override |
| public void run() { |
| new PasswordInput().setVisible(true); |
| } |
| }); |
| } |
| } |