391 lines
17 KiB
Java

/*
* Autopsy Forensic Browser
*
* Copyright 2011 Basis Technology Corp.
* Contact: carrier <at> sleuthkit <dot> org
*
* 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.sleuthkit.autopsy.hashdatabase;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.ArrayList;
import org.sleuthkit.autopsy.coreutils.Logger;
import javax.swing.JOptionPane;
import javax.swing.table.DefaultTableModel;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.PlainDocument;
/**
* Searches for files by md5 hash, based off the hash given in this panel.
*/
public class HashDbSearchPanel extends javax.swing.JPanel implements ActionListener {
private static final Logger logger = Logger.getLogger(HashDbSearchPanel.class.getName());
private static HashDbSearchPanel instance;
private static boolean ingestRunning = false;
/**
* @return the default instance of this panel
*/
public static HashDbSearchPanel getDefault() {
if (instance == null) {
instance = new HashDbSearchPanel();
}
return instance;
}
/**
* Creates new form HashDbSearchPanel
*/
public HashDbSearchPanel() {
setName(HashDbPanelSearchAction.ACTION_NAME);
initComponents();
customInit();
}
final void customInit() {
addButton.addActionListener(this);
removeButton.addActionListener(this);
errorField.setVisible(false);
hashField.requestFocus();
// Don't let the user input more characters than in an MD5 hash
hashField.setDocument(new PlainDocument () {
@Override
public void insertString(int offset, String str, AttributeSet a) throws BadLocationException {
if((this.getLength() + str.length()) <= 32) {
super.insertString(offset, str, a);
}
}
});
// Pressing enter adds the hash
hashField.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if(e.getKeyChar() == KeyEvent.VK_ENTER) {
addButton.doClick();
}
}
});
// Pressing delete removes the selected rows
hashTable.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if(e.getKeyChar() == KeyEvent.VK_DELETE) {
removeButton.doClick();
}
}
});
}
void addSearchActionListener(ActionListener l) {
for(ActionListener al : searchButton.getActionListeners()) {
searchButton.removeActionListener(al);
}
searchButton.addActionListener(l);
}
void addCancelActionListener(ActionListener l) {
cancelButton.addActionListener(l);
}
/**
* Don't allow any changes if ingest is running
*/
void setIngestRunning(boolean running) {
ingestRunning = running;
if(running) {
titleLabel.setForeground(Color.red);
titleLabel.setText("Ingest is ongoing; this service will be unavailable until it finishes.");
} else {
titleLabel.setForeground(Color.black);
titleLabel.setText("Search for files with the following MD5 hash(es):");
}
hashField.setEditable(!ingestRunning);
searchButton.setEnabled(!ingestRunning);
addButton.setEnabled(!ingestRunning);
removeButton.setEnabled(!ingestRunning);
hashTable.setEnabled(!ingestRunning);
hashLabel.setEnabled(!ingestRunning);
saveBox.setEnabled(!ingestRunning);
}
/**
* 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.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
jScrollPane1 = new javax.swing.JScrollPane();
hashTable = new javax.swing.JTable();
hashField = new javax.swing.JTextField();
addButton = new javax.swing.JButton();
hashLabel = new javax.swing.JLabel();
searchButton = new javax.swing.JButton();
removeButton = new javax.swing.JButton();
jSeparator1 = new javax.swing.JSeparator();
titleLabel = new javax.swing.JLabel();
errorField = new javax.swing.JLabel();
saveBox = new javax.swing.JCheckBox();
cancelButton = new javax.swing.JButton();
hashTable.setModel(new javax.swing.table.DefaultTableModel(
new Object [][] {
},
new String [] {
"MD5 Hashes"
}
) {
Class[] types = new Class [] {
java.lang.String.class
};
boolean[] canEdit = new boolean [] {
false
};
public Class getColumnClass(int columnIndex) {
return types [columnIndex];
}
public boolean isCellEditable(int rowIndex, int columnIndex) {
return canEdit [columnIndex];
}
});
jScrollPane1.setViewportView(hashTable);
hashTable.getColumnModel().getColumn(0).setHeaderValue(org.openide.util.NbBundle.getMessage(HashDbSearchPanel.class, "HashDbSearchPanel.hashTable.columnModel.title0")); // NOI18N
hashField.setText(org.openide.util.NbBundle.getMessage(HashDbSearchPanel.class, "HashDbSearchPanel.hashField.text")); // NOI18N
org.openide.awt.Mnemonics.setLocalizedText(addButton, org.openide.util.NbBundle.getMessage(HashDbSearchPanel.class, "HashDbSearchPanel.addButton.text")); // NOI18N
org.openide.awt.Mnemonics.setLocalizedText(hashLabel, org.openide.util.NbBundle.getMessage(HashDbSearchPanel.class, "HashDbSearchPanel.hashLabel.text")); // NOI18N
org.openide.awt.Mnemonics.setLocalizedText(searchButton, org.openide.util.NbBundle.getMessage(HashDbSearchPanel.class, "HashDbSearchPanel.searchButton.text")); // NOI18N
org.openide.awt.Mnemonics.setLocalizedText(removeButton, org.openide.util.NbBundle.getMessage(HashDbSearchPanel.class, "HashDbSearchPanel.removeButton.text")); // NOI18N
titleLabel.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
org.openide.awt.Mnemonics.setLocalizedText(titleLabel, org.openide.util.NbBundle.getMessage(HashDbSearchPanel.class, "HashDbSearchPanel.titleLabel.text")); // NOI18N
errorField.setForeground(new java.awt.Color(255, 0, 0));
org.openide.awt.Mnemonics.setLocalizedText(errorField, org.openide.util.NbBundle.getMessage(HashDbSearchPanel.class, "HashDbSearchPanel.errorField.text")); // NOI18N
org.openide.awt.Mnemonics.setLocalizedText(saveBox, org.openide.util.NbBundle.getMessage(HashDbSearchPanel.class, "HashDbSearchPanel.saveBox.text")); // NOI18N
saveBox.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
saveBoxActionPerformed(evt);
}
});
org.openide.awt.Mnemonics.setLocalizedText(cancelButton, org.openide.util.NbBundle.getMessage(HashDbSearchPanel.class, "HashDbSearchPanel.cancelButton.text")); // NOI18N
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
this.setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jScrollPane1)
.addGroup(layout.createSequentialGroup()
.addComponent(hashLabel)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(hashField))
.addComponent(jSeparator1)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(titleLabel)
.addGroup(layout.createSequentialGroup()
.addGap(61, 61, 61)
.addComponent(addButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(removeButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(saveBox)))
.addGap(0, 0, Short.MAX_VALUE))
.addGroup(layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(errorField)
.addGap(18, 18, 18)
.addComponent(searchButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(cancelButton)))
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(titleLabel)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 171, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(hashLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 20, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(hashField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(addButton)
.addComponent(removeButton)
.addComponent(saveBox))
.addGap(18, 18, 18)
.addComponent(jSeparator1, javax.swing.GroupLayout.PREFERRED_SIZE, 10, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(searchButton)
.addComponent(errorField)
.addComponent(cancelButton))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
}// </editor-fold>//GEN-END:initComponents
private void saveBoxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_saveBoxActionPerformed
// TODO add your handling code here:
}//GEN-LAST:event_saveBoxActionPerformed
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton addButton;
private javax.swing.JButton cancelButton;
private javax.swing.JLabel errorField;
private javax.swing.JTextField hashField;
private javax.swing.JLabel hashLabel;
private javax.swing.JTable hashTable;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JSeparator jSeparator1;
private javax.swing.JButton removeButton;
private javax.swing.JCheckBox saveBox;
private javax.swing.JButton searchButton;
private javax.swing.JLabel titleLabel;
// End of variables declaration//GEN-END:variables
@Override
public void actionPerformed(ActionEvent e) {
if(e.getSource().equals(addButton)) {
add();
} else if(e.getSource().equals(removeButton)) {
remove();
}
}
/**
* Search through all tsk_files to find ones with the same hashes as the
* hashes given.
*/
boolean search() {
// Check if any hashed have been entered
if(hashTable.getRowCount()!=0) {
// Make sure all files have an md5 hash
if(HashDbSearcher.allFilesMd5Hashed()) {
return doSearch();
// and if not, warn the user
} else if(HashDbSearcher.countFilesMd5Hashed() > 0) {
errorField.setVisible(false);
Object selected = JOptionPane.showConfirmDialog(null, "Not all files have MD5 hashes. "
+ "Search results will be incomplete.\n"
+ "Would you like to search anyway?", "File Search by MD5 Hash", JOptionPane.YES_NO_OPTION);
if(selected.equals(JOptionPane.YES_OPTION)) {
return doSearch();
} else {
return false;
}
} else {
JOptionPane.showMessageDialog(null, "No files currently have an MD5 hash.",
"File Search by MD5 Hash", JOptionPane.ERROR_MESSAGE);
return false;
}
} else {
errorField.setText("Error: No hashes have been added.");
errorField.setVisible(true);
return false;
}
}
private boolean doSearch() {
errorField.setVisible(false);
// Get all the rows in the table
int numRows = hashTable.getRowCount();
ArrayList<String> hashes = new ArrayList<String>();
for(int i=0; i<numRows; i++) {
hashes.add((String) hashTable.getValueAt(i, 0));
}
// Start a new thread and find the hashes
HashDbSearchThread hashThread = new HashDbSearchThread(hashes);
hashThread.execute();
return true;
}
/**
* Add the given text into the table of hashes.
*/
void add() {
errorField.setVisible(false);
DefaultTableModel model = (DefaultTableModel) hashTable.getModel();
String hash = hashField.getText();
if(!hash.equals("")) {
if(hash.matches("[a-fA-F0-9]{32}")) {
for(int i=0; i<model.getRowCount(); i++) {
if(model.getValueAt(i, 0).equals(hashField.getText())) {
hashField.setText("");
errorField.setText("Error: Hash has already been added.");
errorField.setVisible(true);
errorField.setVisible(true);
return;
}
}
model.addRow(new String[] {hash});
hashField.setText(""); // wipe the field
} else {
errorField.setText("Error: That is not a valid MD5 hash.");
errorField.setVisible(true);
}
}
hashField.requestFocus(); // select the field to type in
}
/**
* Remove all of the highlighted/selected rows from the table of hashes.
*/
void remove() {
DefaultTableModel model = (DefaultTableModel) hashTable.getModel();
int rows[] = hashTable.getSelectedRows();
// Loop backwards to delete highest row index first, otherwise
// index numbers change and the wrong rows are deleted
for(int i=rows.length-1; i>=0; i--) {
model.removeRow(rows[i]);
}
}
/**
* Clears the table of hashes
*/
void clear() {
if(!saveBox.isSelected()) {
DefaultTableModel model = (DefaultTableModel) hashTable.getModel();
int numRows = hashTable.getRowCount();
for(int i=numRows-1; i>=0; i--) {
model.removeRow(i);
}
}
errorField.setVisible(false);
hashField.setText("");
}
}