EncryptionDetectionIngestJobSettingsPanel.java

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/*
 * Autopsy Forensic Browser
 *
 * Copyright 2017 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.modules.encryptiondetection;

import org.openide.util.NbBundle;
import org.openide.util.NbBundle.Messages;
import org.sleuthkit.autopsy.ingest.IngestModuleIngestJobSettings;
import org.sleuthkit.autopsy.ingest.IngestModuleIngestJobSettingsPanel;

final class EncryptionDetectionIngestJobSettingsPanel extends IngestModuleIngestJobSettingsPanel {

    private static final int MEGABYTE_SIZE = 1048576;
    private static final double MINIMUM_ENTROPY_INPUT_RANGE_MIN = 6.0;
    private static final double MINIMUM_ENTROPY_INPUT_RANGE_MAX = 8.0;
    private static final int MINIMUM_FILE_SIZE_INPUT_RANGE_MIN = 1;

    public EncryptionDetectionIngestJobSettingsPanel(EncryptionDetectionIngestJobSettings settings) {
        initComponents();
        customizeComponents(settings);
    }

    private void customizeComponents(EncryptionDetectionIngestJobSettings settings) {
        minimumEntropyTextbox.setText(String.valueOf(settings.getMinimumEntropy()));
        minimumFileSizeTextbox.setText(String.valueOf(settings.getMinimumFileSize() / MEGABYTE_SIZE));
        fileSizeMultiplesEnforcedCheckbox.setSelected(settings.isFileSizeMultipleEnforced());
        slackFilesAllowedCheckbox.setSelected(settings.isSlackFilesAllowed());
    }

    @Override
    public IngestModuleIngestJobSettings getSettings() {
        validateMinimumEntropy();
        validateMinimumFileSize();

        return new EncryptionDetectionIngestJobSettings(
                Double.valueOf(minimumEntropyTextbox.getText()),
                Integer.valueOf(minimumFileSizeTextbox.getText()) * MEGABYTE_SIZE,
                fileSizeMultiplesEnforcedCheckbox.isSelected(),
                slackFilesAllowedCheckbox.isSelected());
    }

    @Messages({
        "EncryptionDetectionIngestJobSettingsPanel.minimumEntropyInput.validationError.text=Minimum entropy input must be a number between 6.0 and 8.0."
    })
    private void validateMinimumEntropy() throws IllegalArgumentException {
        try {
            double minimumEntropy = Double.valueOf(minimumEntropyTextbox.getText());
            if (minimumEntropy < MINIMUM_ENTROPY_INPUT_RANGE_MIN || minimumEntropy > MINIMUM_ENTROPY_INPUT_RANGE_MAX) {
                throw new IllegalArgumentException(NbBundle.getMessage(this.getClass(), "EncryptionDetectionIngestJobSettingsPanel.minimumEntropyInput.validationError.text"));
            }
        } catch (NumberFormatException ex) {
            throw new IllegalArgumentException(NbBundle.getMessage(this.getClass(), "EncryptionDetectionIngestJobSettingsPanel.minimumEntropyInput.validationError.text"));
        }
    }

    @Messages({
        "EncryptionDetectionIngestJobSettingsPanel.minimumFileSizeInput.validationError.text=Minimum file size input must be an integer (in megabytes) of 1 or greater."
    })
    private void validateMinimumFileSize() throws IllegalArgumentException {
        try {
            int minimumFileSize = Integer.valueOf(minimumFileSizeTextbox.getText());
            if (minimumFileSize < MINIMUM_FILE_SIZE_INPUT_RANGE_MIN) {
                throw new IllegalArgumentException(NbBundle.getMessage(this.getClass(), "EncryptionDetectionIngestJobSettingsPanel.minimumFileSizeInput.validationError.text"));
            }
        } catch (NumberFormatException ex) {
            throw new IllegalArgumentException(NbBundle.getMessage(this.getClass(), "EncryptionDetectionIngestJobSettingsPanel.minimumFileSizeInput.validationError.text"));
        }
    }

    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        minimumEntropyTextbox = new javax.swing.JTextField();
        minimumFileSizeTextbox = new javax.swing.JTextField();
        fileSizeMultiplesEnforcedCheckbox = new javax.swing.JCheckBox();
        slackFilesAllowedCheckbox = new javax.swing.JCheckBox();
        minimumEntropyLabel = new javax.swing.JLabel();
        minimumFileSizeLabel = new javax.swing.JLabel();
        mbLabel = new javax.swing.JLabel();
        detectionSettingsLabel = new javax.swing.JLabel();

        minimumEntropyTextbox.setText(org.openide.util.NbBundle.getMessage(EncryptionDetectionIngestJobSettingsPanel.class, "EncryptionDetectionIngestJobSettingsPanel.minimumEntropyTextbox.text")); // NOI18N

        minimumFileSizeTextbox.setText(org.openide.util.NbBundle.getMessage(EncryptionDetectionIngestJobSettingsPanel.class, "EncryptionDetectionIngestJobSettingsPanel.minimumFileSizeTextbox.text")); // NOI18N

        org.openide.awt.Mnemonics.setLocalizedText(fileSizeMultiplesEnforcedCheckbox, org.openide.util.NbBundle.getMessage(EncryptionDetectionIngestJobSettingsPanel.class, "EncryptionDetectionIngestJobSettingsPanel.fileSizeMultiplesEnforcedCheckbox.text")); // NOI18N

        org.openide.awt.Mnemonics.setLocalizedText(slackFilesAllowedCheckbox, org.openide.util.NbBundle.getMessage(EncryptionDetectionIngestJobSettingsPanel.class, "EncryptionDetectionIngestJobSettingsPanel.slackFilesAllowedCheckbox.text")); // NOI18N

        org.openide.awt.Mnemonics.setLocalizedText(minimumEntropyLabel, org.openide.util.NbBundle.getMessage(EncryptionDetectionIngestJobSettingsPanel.class, "EncryptionDetectionIngestJobSettingsPanel.minimumEntropyLabel.text")); // NOI18N

        org.openide.awt.Mnemonics.setLocalizedText(minimumFileSizeLabel, org.openide.util.NbBundle.getMessage(EncryptionDetectionIngestJobSettingsPanel.class, "EncryptionDetectionIngestJobSettingsPanel.minimumFileSizeLabel.text")); // NOI18N

        org.openide.awt.Mnemonics.setLocalizedText(mbLabel, org.openide.util.NbBundle.getMessage(EncryptionDetectionIngestJobSettingsPanel.class, "EncryptionDetectionIngestJobSettingsPanel.mbLabel.text")); // NOI18N

        detectionSettingsLabel.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
        org.openide.awt.Mnemonics.setLocalizedText(detectionSettingsLabel, org.openide.util.NbBundle.getMessage(EncryptionDetectionIngestJobSettingsPanel.class, "EncryptionDetectionIngestJobSettingsPanel.detectionSettingsLabel.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(slackFilesAllowedCheckbox)
                    .addComponent(detectionSettingsLabel)
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                                .addComponent(minimumFileSizeLabel)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                .addComponent(minimumFileSizeTextbox, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                                .addComponent(minimumEntropyLabel)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                .addComponent(minimumEntropyTextbox, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(mbLabel))
                    .addComponent(fileSizeMultiplesEnforcedCheckbox))
                .addContainerGap(15, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(detectionSettingsLabel)
                .addGap(16, 16, 16)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(minimumEntropyTextbox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(minimumEntropyLabel))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(minimumFileSizeTextbox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(mbLabel)
                    .addComponent(minimumFileSizeLabel))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(fileSizeMultiplesEnforcedCheckbox)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(slackFilesAllowedCheckbox)
                .addContainerGap(160, Short.MAX_VALUE))
        );
    }// </editor-fold>//GEN-END:initComponents

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JLabel detectionSettingsLabel;
    private javax.swing.JCheckBox fileSizeMultiplesEnforcedCheckbox;
    private javax.swing.JLabel mbLabel;
    private javax.swing.JLabel minimumEntropyLabel;
    private javax.swing.JTextField minimumEntropyTextbox;
    private javax.swing.JLabel minimumFileSizeLabel;
    private javax.swing.JTextField minimumFileSizeTextbox;
    private javax.swing.JCheckBox slackFilesAllowedCheckbox;
    // End of variables declaration//GEN-END:variables
}