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Toolkit for Amazon S3, Amazon CloudFront, and Google Storage Service.
/*
* JetS3t : Java S3 Toolkit
* Project hosted at http://bitbucket.org/jmurty/jets3t/
*
* Copyright 2006-2010 James Murty
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jets3t.apps.cockpit.gui;
import java.awt.Frame;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Calendar;
import javax.swing.AbstractAction;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.KeyStroke;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jets3t.gui.ErrorDialog;
import org.jets3t.gui.HyperlinkActivatedListener;
import org.jets3t.gui.JHtmlLabel;
import org.jets3t.service.Constants;
import org.jets3t.service.S3Service;
import org.jets3t.service.S3ServiceException;
import org.jets3t.service.model.S3Object;
/**
* Dialog box to query to generate Signed URLs for a given set of objects, based
* on URL signing configuration options selected by the user. This dialog does
* all the work, prompting for user inputs then generating and displaying the
* resultant Signed URLs.
*
* The caller is responsible for disposing of this dialog.
*
* @author James Murty
*
*/
public class SignedGetUrlDialog extends JDialog implements ActionListener, DocumentListener {
private static final long serialVersionUID = -3243824805519630114L;
private static final Log log = LogFactory.getLog(SignedGetUrlDialog.class);
private Frame ownerFrame = null;
private HyperlinkActivatedListener hyperlinkListener = null;
private S3Service s3Service = null;
private S3Object[] objects = null;
private JCheckBox virtualHostCheckBox = null;
private JCheckBox requesterPaysCheckBox = null;
private JCheckBox httpsUrlsCheckBox = null;
private JTextField expiryTimeTextField = null;
private JTextArea signedUrlsTextArea = null;
private JButton finishedButton = null;
private final Insets insetsDefault = new Insets(3, 5, 3, 5);
public SignedGetUrlDialog(Frame ownerFrame,
HyperlinkActivatedListener hyperlinkListener,
S3Service s3Service, S3Object[] objects)
{
super(ownerFrame, "Generate Signed GET URLs", true);
this.ownerFrame = ownerFrame;
this.hyperlinkListener = hyperlinkListener;
this.s3Service = s3Service;
this.objects = objects;
String introductionText = "
Generate signed GET URLs that you can provide to anyone
"
+ "who needs to access objects in your bucket for a limited time. ";
JHtmlLabel introductionLabel = new JHtmlLabel(introductionText, hyperlinkListener);
introductionLabel.setHorizontalAlignment(JLabel.CENTER);
JHtmlLabel expiryTimeLabel = new JHtmlLabel("Expiry Time (Hours)", hyperlinkListener);
expiryTimeLabel.setHorizontalAlignment(JLabel.RIGHT);
JHtmlLabel httpsUrlsLabel = new JHtmlLabel("Secure HTTPS URLs?", hyperlinkListener);
httpsUrlsLabel.setHorizontalAlignment(JLabel.RIGHT);
JHtmlLabel virtualHostLabel = new JHtmlLabel("Bucket is a Virtual Host?", hyperlinkListener);
virtualHostLabel.setHorizontalAlignment(JLabel.RIGHT);
JHtmlLabel requesterPaysLabel = new JHtmlLabel("Bucket is Requester Pays?", hyperlinkListener);
requesterPaysLabel.setHorizontalAlignment(JLabel.RIGHT);
expiryTimeTextField = new JTextField("1.0");
expiryTimeTextField.setToolTipText("How long in hours until the URL will expire");
expiryTimeTextField.getDocument().addDocumentListener(this);
httpsUrlsCheckBox = new JCheckBox();
httpsUrlsCheckBox.setSelected(false);
httpsUrlsCheckBox.setToolTipText("Check this box to generate secure HTTPS URLs.");
httpsUrlsCheckBox.addActionListener(this);
virtualHostCheckBox = new JCheckBox();
virtualHostCheckBox.setSelected(false);
virtualHostCheckBox.setToolTipText("Check this box if your bucket is configured as a virtual host.");
virtualHostCheckBox.addActionListener(this);
requesterPaysCheckBox = new JCheckBox();
requesterPaysCheckBox.setSelected(false);
requesterPaysCheckBox.setToolTipText("Check this box if the bucket has Requester Pays enabled.");
requesterPaysCheckBox.addActionListener(this);
finishedButton = new JButton("Finished");
finishedButton.setActionCommand("Finished");
finishedButton.addActionListener(this);
signedUrlsTextArea = new JTextArea();
signedUrlsTextArea.setEditable(false);
// Set default ENTER and ESCAPE buttons.
this.getRootPane().setDefaultButton(finishedButton);
this.getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW)
.put(KeyStroke.getKeyStroke("ESCAPE"), "ESCAPE");
this.getRootPane().getActionMap().put("ESCAPE", new AbstractAction() {
private static final long serialVersionUID = -6225706489569112809L;
public void actionPerformed(ActionEvent actionEvent) {
setVisible(false);
}
});
JPanel panel = new JPanel(new GridBagLayout());
int row = 0;
panel.add(introductionLabel, new GridBagConstraints(0, row,
6, 1, 0, 0, GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, insetsDefault, 0, 0));
panel.add(expiryTimeLabel, new GridBagConstraints(0, ++row,
1, 1, 0, 0, GridBagConstraints.EAST, GridBagConstraints.HORIZONTAL, insetsDefault, 0, 0));
panel.add(expiryTimeTextField, new GridBagConstraints(1, row,
5, 1, 1, 0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, insetsDefault, 0, 0));
panel.add(httpsUrlsLabel, new GridBagConstraints(0, ++row,
1, 1, 0.3, 0, GridBagConstraints.EAST, GridBagConstraints.HORIZONTAL, insetsDefault, 0, 0));
panel.add(httpsUrlsCheckBox, new GridBagConstraints(1, row,
1, 1, 0, 0, GridBagConstraints.WEST, GridBagConstraints.NONE, insetsDefault, 0, 0));
panel.add(virtualHostLabel, new GridBagConstraints(2, row,
1, 1, 0.3, 0, GridBagConstraints.EAST, GridBagConstraints.HORIZONTAL, insetsDefault, 0, 0));
panel.add(virtualHostCheckBox, new GridBagConstraints(3, row,
1, 1, 0, 0, GridBagConstraints.WEST, GridBagConstraints.NONE, insetsDefault, 0, 0));
panel.add(requesterPaysLabel, new GridBagConstraints(4, row,
1, 1, 0.3, 0, GridBagConstraints.EAST, GridBagConstraints.HORIZONTAL, insetsDefault, 0, 0));
panel.add(requesterPaysCheckBox, new GridBagConstraints(5, row,
1, 1, 0, 0, GridBagConstraints.WEST, GridBagConstraints.NONE, insetsDefault, 0, 0));
panel.add(new JScrollPane(signedUrlsTextArea), new GridBagConstraints(0, ++row,
6, 1, 1, 1, GridBagConstraints.CENTER, GridBagConstraints.BOTH, insetsDefault, 0, 0));
panel.add(finishedButton, new GridBagConstraints(0, ++row,
6, 1, 0, 0, GridBagConstraints.CENTER, GridBagConstraints.NONE, insetsDefault, 0, 0));
this.getContentPane().setLayout(new GridBagLayout());
this.getContentPane().add(panel, new GridBagConstraints(0, 0,
1, 1, 1, 1, GridBagConstraints.CENTER, GridBagConstraints.BOTH, insetsDefault, 0, 0));
this.setSize(700, 450);
this.setResizable(true);
this.setLocationRelativeTo(ownerFrame);
generateSignedUrls();
}
public void actionPerformed(ActionEvent event) {
if (event.getSource().equals(finishedButton)) {
this.setVisible(false);
} else {
generateSignedUrls();
}
}
public void changedUpdate(DocumentEvent e) {
generateSignedUrls();
}
public void insertUpdate(DocumentEvent e) {
generateSignedUrls();
}
public void removeUpdate(DocumentEvent e) {
generateSignedUrls();
}
protected void generateSignedUrls() {
try {
signedUrlsTextArea.setText("");
if (expiryTimeTextField.getText().length() == 0) {
return;
}
// Determine expiry time for URL
double hoursFromNow = Double.parseDouble(expiryTimeTextField.getText());
int secondsFromNow = (int) (hoursFromNow * 60 * 60);
Calendar cal = Calendar.getInstance();
cal.add(Calendar.SECOND, secondsFromNow);
long secondsSinceEpoch = cal.getTimeInMillis() / 1000;
// Include Requester Pays flag if our service has these buckets enabled.
String specialParamName = null;
if (requesterPaysCheckBox.isSelected()) {
specialParamName = Constants.REQUESTER_PAYS_BUCKET_FLAG;
}
boolean disableDnsBuckets = s3Service.getJetS3tProperties()
.getBoolProperty("s3service.disable-dns-buckets", false);
// Generate URLs
StringBuffer signedUrlsBuffer = new StringBuffer();
for (int i = 0; i < objects.length; i++) {
S3Object currentObject = objects[i];
String signedUrl = this.s3Service.createSignedUrl("GET",
currentObject.getBucketName(), currentObject.getKey(), specialParamName,
null, secondsSinceEpoch, virtualHostCheckBox.isSelected(),
httpsUrlsCheckBox.isSelected(), disableDnsBuckets);
signedUrlsBuffer.append(signedUrl + "\n");
}
signedUrlsTextArea.setText(signedUrlsBuffer.toString());
} catch (NumberFormatException e) {
String message = "Hours must be a valid decimal value; eg 3, 0.1";
log.error(message, e);
ErrorDialog.showDialog(ownerFrame, hyperlinkListener, message, e);
}
}
}
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