Move TUI and GUI into separate packages

Signed-off-by: Yuuta Liang <yuutaw@student.cs.ubc.ca>

1 files changed, 0 insertions, 695 deletions

diff --git a/src/main/ui/MainUI.java b/src/main/ui/MainUI.java
deleted file mode 100644
index 34cc224..0000000
--- a/src/main/ui/MainUI.java
+++ /dev/null
@@ -1,695 +0,0 @@
-package ui;
-
-import model.GroupObserver;
-import model.ObservedData;
-import model.Observer;
-import model.asn1.exceptions.InvalidCAException;
-import model.asn1.exceptions.InvalidDBException;
-import model.asn1.exceptions.ParseException;
-import model.asn1.parsing.BytesReader;
-import model.ca.AuditLogEntry;
-import model.ca.CertificationAuthority;
-import model.ca.Template;
-import model.csr.CertificationRequest;
-import model.pki.cert.Certificate;
-import model.pki.crl.CertificateList;
-import model.pki.crl.RevokedCertificate;
-import persistence.Decoder;
-import persistence.FS;
-import ui.widgets.*;
-
-import javax.swing.*;
-import javax.swing.event.ChangeEvent;
-import java.awt.*;
-import java.awt.event.ActionEvent;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.StandardOpenOption;
-import java.security.InvalidKeyException;
-import java.security.NoSuchAlgorithmException;
-import java.security.SignatureException;
-import java.security.interfaces.RSAPublicKey;
-
-import static java.awt.GridBagConstraints.*;
-import static ui.widgets.UIUtils.*;
-
-/**
- * The main GUI.
- * +------------------------------++------------------------------++------------------------------+
- * |  JCA                       X ||  JCA                       X ||  JCA                       X |
- * +------------------------------++------------------------------++------------------------------+
- * |Load Save                  CSR||Load Save   Sign Revoke Export||Load Save      New Ena Dis Del|
- * +----+-------+-----------+-----++----+-------+----------+------++----+-------+-----------------+
- * | CA | Certs | Templates |     || CA | Certs | Templates|      || CA | Certs | Templates       |
- * +----+-------+-----------+-----++-+--+-----+-+----+-----+------++-+--+---+---+-----+-----------+
- * | Welcome to JCA               || | Serial | Subj | Bef | To   || | Name | Subj    |  Validity |
- * |                              |+-+--------+------+-----+------++-+------+---------+-----------+
- * | Private key:    Generate     ||      (Issued Certs)          ||      (All Templates)         |
- * | CA certificate: Install CSR  ||                              ||                              |
- * +------------------------------++------------------------------++------------------------------+
- * +-----+----------+-------------++-----+----------+-------------++-----+----------+-------------+
- * |Time | Operator | Action      ||Time | Operator | Action      ||Time | Operator | Action      |
- * +-----+----------+-------------++-----+----------+-------------++-----+----------+-------------+
- * |  (Audit Logs)                ||  (Audit Logs)                ||  (Audit Logs)                |
- * +------------------------------++------------------------------++------------------------------+
- * | Ready: (Last operation)      || Unsaved: (Last operation)    || Ready: (Last Operation)      |
- * +------------------------------++------------------------------++------------------------------+
- */
-public class MainUI extends JFrame {
-    /**
-     * Default db file (./data/ca.json)
-     */
-    private static final Path PATH_DEFAULT = Path.of("data", "ca.json");
-
-    /**
-     * The root panel (Box layout).
-     */
-    private final JPanel rootPanel = new JPanel(new BoxLayout(rootPane, BoxLayout.PAGE_AXIS));
-
-    /**
-     * Common toolbar buttons
-     */
-    private final JButton buttonToolbarLoad = btn("Load", "open.png", this::onLoad);
-    private final JButton buttonToolbarSave = btn("Save", "saveall.png", this::onSave);
-
-    /**
-     * Toolbar that switches with the tab.
-     */
-    private final JPanel panelContextAwareToolbar = new JPanel(new CardLayout(0, 0));
-
-    /**
-     * Tab root.
-     */
-    private final JTabbedPane tabbedPane = new JTabbedPane();
-
-    /**
-     * CA tab
-     */
-    private final JLabel labelCACertificate = new JLabel();
-    private final JLabel labelPrivateKey = new JLabel();
-    private final JButton buttonGenPrivKey = btn("Generate", 'G', this::onGeneratePrivateKey);
-    private final JButton buttonInstallCA = btn("Install", 'I', this::onInstallCA);
-    private final JButton buttonGenCSR = btn("CSR", this::onSignCSR);
-    private final QRPanel panelQR = new QRPanel(256);
-    private final JToolBar toolbarCA = new JToolBar();
-    private final JButton buttonCAToolbarCRL = btn("CRL", "publisher.png", this::onCRL);
-
-    /**
-     * Certs tab
-     */
-    private JPanel panelCertsTab;
-    private final JTable tableCerts = new JTable();
-    private final CertTableModel modelCerts = new CertTableModel();
-    private final JToolBar toolbarCerts = new JToolBar();
-    private final JButton buttonCertsToolbarNew = btn("Sign", "new.png", this::onIssue);
-    private final JButton buttonCertsToolbarRevoke = btn("Revoke", "deletetest.png", this::onRevokeCert);
-    private final JButton buttonCertsToolbarExport = btn("Export", "export.png", this::onExportCert);
-
-    /**
-     * Templates tab
-     */
-    private JPanel panelTmpTab;
-    private final JTable tableTemplates = new JTable();
-    private final TemplateTableModel modelTemplates = new TemplateTableModel();
-    private final JToolBar toolbarTemplates = new JToolBar();
-    private final JButton buttonTemplatesToolbarNew = btn("New", "new.png", this::onNewTemplate);
-    private final JButton buttonTemplatesToolbarEnable = btn("Enable", "enable.png", this::onEnableTemplate);
-    private final JButton buttonTemplatesToolbarDisable = btn("Disable", "disable.png", this::onDisableTemplate);
-    private final JButton buttonTemplatesToolbarDelete = btn("Delete", "deletetest.png", this::onDeleteTemplate);
-
-    /**
-     * Logs region
-     */
-    private final JPanel panelLogs;
-    private final JTable tableAuditLogs = new JTable();
-    private final LogTableModel modelAuditLogs = new LogTableModel();
-
-    /**
-     * Status region
-     */
-    private final JLabel labelStatus = new JLabel();
-    private ObservedData<Boolean> unsaved = new ObservedData<>(false, this::acceptUnsaved);
-
-    /**
-     * CA and observers
-     */
-    private CertificationAuthority ca;
-
-    private final GroupObserver obs = new GroupObserver();
-
-    /**
-     * EFFECTS: Setup the CA and GUI.
-     */
-    public MainUI() {
-        setTitle("JCA");
-        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-
-        setContentPane(rootPanel);
-        rootPanel.setLayout(new BoxLayout(rootPanel, BoxLayout.PAGE_AXIS));
-
-        rootPanel.add(setupToolbar());
-        final JSplitPane splitPane = new JSplitPane(0);
-        rootPanel.add(splitPane);
-        splitPane.setLeftComponent(setupTabs());
-        rootPanel.getRootPane().setDefaultButton(buttonGenPrivKey);
-
-        splitPane.setRightComponent(panelLogs = defView(scrTbl(tableAuditLogs), "No audit logs"));
-        panelLogs.setPreferredSize(new Dimension(panelLogs.getPreferredSize().width,
-                panelLogs.getPreferredSize().height / 2));
-        panelLogs.setBackground(new Color(-1));
-
-        rootPanel.add(labelStatus);
-        labelStatus.setBorder(BorderFactory.createEmptyBorder(4, 8, 8, 8));
-
-        ca = new CertificationAuthority();
-
-        tableAuditLogs.setModel(modelAuditLogs);
-        tableCerts.setModel(modelCerts);
-        tableTemplates.setModel(modelTemplates);
-
-        tabbedPane.addChangeListener(this::onChangeTab);
-        setupObservers();
-
-        setCA(ca);
-    }
-
-    // -----BEGIN HELPER METHODS-----
-
-    /**
-     * EFFECTS: Rewind the CA and refresh all pages.
-     * MODIFIES: ca (observer), this
-     */
-    private void setCA(CertificationAuthority ca) {
-        this.ca = ca;
-        ca.registerObserver(obs);
-
-        modelAuditLogs.setPtrData(ca.getLogs());
-        modelCerts.setPtrData(ca.getSigned());
-        modelCerts.setPtrRevokedData(ca.getRevoked());
-        modelTemplates.setPtrData(ca.getTemplates());
-
-        renderRefresh();
-    }
-
-    /**
-     * EFFECTS: Set the QR code data to either null (no public key) or PEM-encoded PKCS#1 public key.
-     */
-    private void renderQRPublicKey() {
-        if (ca.getPublicKey() == null) {
-            panelQR.setData(null);
-            return;
-        }
-        panelQR.setData(Utils.toPEM(Utils.byteToByte(ca.getPublicKey().getEncoded()), "PUBLIC KEY"));
-    }
-
-    // -----END HELPER METHODS-----
-
-    // -----BEGIN DATA OBSERVERS-----
-
-    /**
-     * EFFECTS: Setup observers
-     * MODIFIES: this
-     */
-    private void setupObservers() {
-        obs.register(AuditLogEntry.class, this::acceptAuditLog);
-        obs.register(Certificate.class, this::acceptCertificate);
-        obs.register(RSAPublicKey.class, this::acceptPrivateKey);
-        obs.register(Template.class, this::acceptTemplate);
-    }
-
-    /**
-     * EFFECTS: Handle new audit log, hide default text, notify the model
-     * MODIFIES: this
-     * REQUIRES: direction == ADD, i >= 0
-     */
-    private void acceptAuditLog(AuditLogEntry auditLogEntry, int direction, int i) {
-        setContentVisible(panelLogs, true);
-        modelAuditLogs.fireTableRowsInserted(ca.getLogs().size() - 1, ca.getLogs().size() - 1);
-        acceptUnsaved(unsaved.get(), Observer.DIRECTION_CHANGE, Observer.INDEX_NOT_IN_LIST);
-    }
-
-    /**
-     * EFFECTS: Handle CA cert or new issued cert, notify CA page or model accordingly, hide certs default text
-     * MODIFIES: this
-     * REQUIRES: direction == CHANGE or ADD, i >= 0 or -1
-     */
-    private void acceptCertificate(Certificate cert, int direction, int i) {
-        if (i == Observer.INDEX_NOT_IN_LIST) {
-            renderCAPage();
-        } else {
-            setContentVisible(panelCertsTab, true);
-            modelCerts.fireTableRowsInserted(i, i);
-        }
-    }
-
-    /**
-     * EFFECTS: Handle added, changed, or deleted template; notify model, show / hide default text.
-     * MODIFIES: this
-     * REQUIRES: i >= 0.
-     */
-    private void acceptTemplate(Template template, int direction, int i) {
-        setContentVisible(panelTmpTab, !ca.getTemplates().isEmpty());
-        switch (direction) {
-            case Observer.DIRECTION_ADD:
-                modelTemplates.fireTableRowsInserted(i, i);
-                break;
-            case Observer.DIRECTION_CHANGE:
-                modelTemplates.fireTableRowsUpdated(i, i);
-                break;
-            case Observer.DIRECTION_REMOVE:
-                modelTemplates.fireTableRowsDeleted(i, i);
-                break;
-        }
-    }
-
-    /**
-     * EFFECTS: Handle added private key. Change buttons / labels accordingly.
-     * MODIFIES: this
-     */
-    private void acceptPrivateKey(RSAPublicKey pubKey, int direction, int i) {
-        renderCAPage();
-    }
-
-    /**
-     * EFFECTS: Handle status label change, set status to unsaved / saved + latest action.
-     * MODIFIES: this
-     */
-    private void acceptUnsaved(Boolean unsaved, int direction, int i) {
-        labelStatus.setText(unsaved ? "Unsaved" : "Ready");
-        if (!ca.getLogs().isEmpty()) {
-            labelStatus.setText(labelStatus.getText() + ": " + ca.getLogs().get(ca.getLogs().size() - 1).getAction());
-        }
-    }
-
-    // -----END DATA OBSERVERS----
-
-    // -----BEGIN RENDERERS-----
-
-    /**
-     * EFFECTS: Setup the toolbar.
-     * MODIFIES: this
-     */
-    private JToolBar setupToolbar() {
-        final JToolBar toolBar = new JToolBar();
-        toolBar.setAlignmentX(Component.LEFT_ALIGNMENT);
-        toolBar.setBorder(BorderFactory.createEmptyBorder(4, 8, 4, 8));
-
-        toolBar.add(buttonToolbarLoad);
-        toolBar.add(buttonToolbarSave);
-
-        toolBar.add(panelContextAwareToolbar);
-
-        panelContextAwareToolbar.add(toolbarTemplates, "CardToolbarTemplates");
-
-        toolbarTemplates.add(Box.createHorizontalGlue());
-        toolbarTemplates.add(buttonTemplatesToolbarNew);
-        toolbarTemplates.add(buttonTemplatesToolbarEnable);
-        toolbarTemplates.add(buttonTemplatesToolbarDisable);
-        toolbarTemplates.add(buttonTemplatesToolbarDelete);
-
-        panelContextAwareToolbar.add(toolbarCerts, "CardToolbarCerts");
-        toolbarCerts.add(Box.createHorizontalGlue());
-        toolbarCerts.add(buttonCertsToolbarNew);
-        toolbarCerts.add(buttonCertsToolbarRevoke);
-        toolbarCerts.add(buttonCertsToolbarExport);
-
-        panelContextAwareToolbar.add(toolbarCA, "CardToolbarCA");
-        toolbarCA.add(Box.createHorizontalGlue());
-        toolbarCA.add(buttonCAToolbarCRL);
-        return toolBar;
-    }
-
-    /**
-     * EFFECTS: Setup the tabs
-     * MODIFIES: this
-     */
-    private JTabbedPane setupTabs() {
-        tabbedPane.setAlignmentX(Component.LEFT_ALIGNMENT);
-        tabbedPane.setBorder(BorderFactory.createEmptyBorder(8, 8, 4, 8));
-
-        final JPanel panelTabCA = new JPanel();
-        panelTabCA.setLayout(new GridBagLayout());
-        tabbedPane.addTab("CA", panelTabCA);
-
-        panelTabCA.add(new JLabel("Welcome to JCA"), new GCBuilder().anchor(WEST).insectTop(8).build());
-        panelTabCA.add(labelPrivateKey, new GCBuilder().gridY(1).anchor(WEST).build());
-        panelTabCA.add(labelCACertificate, new GCBuilder().gridY(2).anchor(WEST).build());
-        panelTabCA.add(buttonGenPrivKey, new GCBuilder().gridXY(1, 1).fill(HORIZONTAL).build());
-        panelTabCA.add(buttonInstallCA, new GCBuilder().gridXY(1, 2).fill(HORIZONTAL).build());
-        panelTabCA.add(buttonGenCSR, new GCBuilder().gridXY(2, 2).fill(HORIZONTAL).build());
-        panelTabCA.add(panelQR, new GCBuilder().gridY(3).fill(HORIZONTAL).build());
-        panelTabCA.add(new JPanel(), new GCBuilder().gridXY(4, 4).expandXY().fill(BOTH).build());
-        tabbedPane.addTab("Certs", panelCertsTab = defView(scrTbl(tableCerts), "No issued certs"));
-        tabbedPane.addTab("Templates", panelTmpTab = defView(scrTbl(tableTemplates), "No templates"));
-
-        return tabbedPane;
-    }
-
-    /**
-     * EFFECTS: Render public key and CA to the CA page and toolbar
-     * MODIFIES: this
-     */
-    private void renderCAPage() {
-        renderQRPublicKey();
-        if (ca.getPublicKey() == null) {
-            labelPrivateKey.setText("Private key not installed");
-        } else {
-            labelPrivateKey.setText(String.format("%s key: %s ...",
-                    ca.getPublicKey().getAlgorithm(),
-                    ca.getPublicKey().getModulus().toString(16).substring(0, 16)));
-        }
-        if (ca.getCertificate() == null) {
-            labelCACertificate.setText("CA certificate not installed");
-        } else {
-            labelCACertificate.setText(String.format("<html>CA: %s<br>Issued by: %s</html>",
-                    ca.getCertificate().getCertificate().getSubject().toString(),
-                    ca.getCertificate().getCertificate().getIssuer().toString()));
-        }
-        buttonGenPrivKey.setEnabled(ca.getPublicKey() == null);
-        buttonInstallCA.setEnabled(ca.getPublicKey() != null && ca.getCertificate() == null);
-        buttonGenCSR.setEnabled(ca.getPublicKey() != null && ca.getCertificate() == null);
-        buttonCertsToolbarNew.setEnabled(ca.getPublicKey() != null && ca.getCertificate() != null);
-        buttonCAToolbarCRL.setEnabled(ca.getPublicKey() != null && ca.getCertificate() != null);
-    }
-
-    /**
-     * EFFECTS: Reset all GUI to initial state and render the CA again.
-     * MODIFIES: this
-     */
-    private void renderRefresh() {
-        acceptUnsaved(false, Observer.DIRECTION_CHANGE, Observer.INDEX_NOT_IN_LIST);
-        onChangeTab(null);
-        renderCAPage();
-
-        modelAuditLogs.fireTableDataChanged();
-        setContentVisible(panelLogs, !ca.getLogs().isEmpty());
-
-        modelCerts.fireTableDataChanged();
-        setContentVisible(panelCertsTab, !ca.getSigned().isEmpty());
-
-        modelTemplates.fireTableDataChanged();
-        setContentVisible(panelTmpTab, !ca.getTemplates().isEmpty());
-    }
-
-    // -----END RENDERERS-----
-
-    // -----BEGIN ACTION LISTENERS-----
-
-    /**
-     * EFFECTS: Switch toolbar according to tab change.
-     * MODIFIES: this
-     */
-    private void onChangeTab(ChangeEvent ev) {
-        final CardLayout toolbarCardLayout = (CardLayout) panelContextAwareToolbar.getLayout();
-        switch (tabbedPane.getSelectedIndex()) {
-            case 0: {
-                toolbarCerts.setEnabled(false);
-                toolbarTemplates.setEnabled(false);
-                toolbarCardLayout.show(panelContextAwareToolbar, "CardToolbarCA");
-                break;
-            }
-            case 1: {
-                toolbarCerts.setEnabled(true);
-                toolbarTemplates.setEnabled(false);
-                toolbarCardLayout.show(panelContextAwareToolbar, "CardToolbarCerts");
-                break;
-            }
-            case 2: {
-                toolbarCerts.setEnabled(false);
-                toolbarTemplates.setEnabled(true);
-                toolbarCardLayout.show(panelContextAwareToolbar, "CardToolbarTemplates");
-                break;
-            }
-        }
-    }
-
-    /**
-     * EFFECTS: Generate private key.
-     * MODIFIES: this
-     * REQUIRES: No private key / CA is installed.
-     */
-    private void onGeneratePrivateKey(ActionEvent ev) {
-        try {
-            ca.generateKey();
-            unsaved.set(true);
-        } catch (NoSuchAlgorithmException e) {
-            alert(rootPanel, "Generate private key", e);
-        } finally {
-            renderCAPage();
-        }
-    }
-
-    /**
-     * EFFECTS: Sign a CSR and save to disk (in binary form).
-     * MODIFIES: this
-     * REQUIRES: Proper private key installed, no CA.
-     */
-    private void onSignCSR(ActionEvent ev) {
-        final Path p = chooseFile(rootPanel, "DER binary (*.csr)", "csr");
-        if (p == null) {
-            return;
-        }
-
-        try {
-            final OutputStream fd = Files.newOutputStream(p,
-                    StandardOpenOption.WRITE,
-                    StandardOpenOption.TRUNCATE_EXISTING,
-                    StandardOpenOption.CREATE);
-            final CertificationRequest csr = ca.signCSR();
-            fd.write(Utils.byteToByte(csr.encodeDER()));
-            fd.close();
-            unsaved.set(true);
-        } catch (IOException | ParseException | NoSuchAlgorithmException | SignatureException | InvalidKeyException e) {
-            alert(rootPanel, "Sign certification request", e);
-        }
-    }
-
-    /**
-     * EFFECTS: Pick a certificate and install.
-     * MODIFIES: this
-     * REQUIRES: Proper private key is installed, no CA.
-     */
-    private void onInstallCA(ActionEvent ev) {
-        final Path p = chooseFile(rootPanel, "DER X.509 certificate (*.crt, *.pem)", "crt", "pem");
-        if (p == null) {
-            return;
-        }
-
-        try {
-            final Certificate crt = new Certificate(new BytesReader(UIUtils.openDERorPEM(p, "CERTIFICATE")),
-                    false);
-            ca.installCertificate(crt);
-            unsaved.set(true);
-        } catch (IOException | ParseException | InvalidCAException e) {
-            alert(rootPanel, "Install CA", e);
-        } finally {
-            renderCAPage();
-        }
-    }
-
-    /**
-     * EFFECTS: Load the database and refresh.
-     * MODIFIES: this
-     */
-    private void onLoad(ActionEvent ev) {
-        if (unsaved.get()) {
-            alert(rootPanel, "Load database from filesystem",
-                    "Unable to load: current modifications are not saved.");
-            return;
-        }
-
-        try {
-            setCA(Decoder.decodeCA(FS.read(PATH_DEFAULT)));
-        } catch (NoSuchAlgorithmException | InvalidDBException e) {
-            alert(rootPanel, "Load database from filesystem", e);
-        }
-    }
-
-    /**
-     * EFFECTS: Save database.
-     * MODIFIES: this
-     */
-    private void onSave(ActionEvent ev) {
-        try {
-            FS.write(PATH_DEFAULT, Decoder.encodeCA(this.ca));
-            unsaved.set(false);
-        } catch (IOException e) {
-            alert(rootPanel, "Save database to filesystem", e);
-        }
-    }
-
-    /**
-     * EFFECTS: Enable a template.
-     * MODIFIES: this
-     */
-    private void onEnableTemplate(ActionEvent ev) {
-        if (tableTemplates.getSelectedRow() == -1) {
-            return;
-        }
-
-        final Template t = ca.getTemplates().get(tableTemplates.getSelectedRow());
-        if (t.isEnabled()) {
-            return;
-        }
-        ca.setTemplateEnable(t, true);
-        unsaved.set(true);
-    }
-
-    /**
-     * EFFECTS: Disable a template.
-     * MODIFIES: this
-     */
-    private void onDisableTemplate(ActionEvent ev) {
-        if (tableTemplates.getSelectedRow() == -1) {
-            return;
-        }
-
-        final Template t = ca.getTemplates().get(tableTemplates.getSelectedRow());
-        if (!t.isEnabled()) {
-            return;
-        }
-        ca.setTemplateEnable(t, false);
-        unsaved.set(true);
-    }
-
-    /**
-     * EFFECTS: Delete a template.
-     * MODIFIES: this
-     */
-    private void onDeleteTemplate(ActionEvent ev) {
-        if (tableTemplates.getSelectedRow() == -1) {
-            return;
-        }
-
-        final Template t = ca.getTemplates().get(tableTemplates.getSelectedRow());
-        ca.removeTemplate(t);
-        unsaved.set(true);
-    }
-
-    /**
-     * EFFECTS: Save the selected cert as a DER binary.
-     * MODIFIES: this
-     */
-    private void onExportCert(ActionEvent ev) {
-        if (tableCerts.getSelectedRow() == -1) {
-            return;
-        }
-
-        final Certificate c = ca.getSigned().get(tableCerts.getSelectedRow());
-        final Path p = chooseFile(rootPanel, "DER binary (*.crt)", "crt");
-        if (p == null) {
-            return;
-        }
-        try {
-            final OutputStream fd = Files.newOutputStream(p,
-                    StandardOpenOption.WRITE, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.CREATE);
-            fd.write(Utils.byteToByte(c.encodeDER()));
-            fd.close();
-        } catch (IOException e) {
-            alert(rootPanel, "Export certificate", e);
-        }
-    }
-
-    /**
-     * EFFECTS: Show revocation dialog for the selected cert. Save enforced.
-     * MODIFIES: this
-     */
-    private void onRevokeCert(ActionEvent ev) {
-        if (tableCerts.getSelectedRow() == -1) {
-            return;
-        }
-
-        final Certificate c = ca.getSigned().get(tableCerts.getSelectedRow());
-        if (ca.getRevoked().stream().anyMatch(r ->
-                r.getSerialNumber().getLong() == c.getCertificate().getSerialNumber().getLong())) {
-            return;
-        }
-        final RevokeDialog diag = new RevokeDialog(c);
-        diag.pack();
-        diag.setLocationRelativeTo(this);
-        diag.setVisible(true);
-
-        final RevokedCertificate res = diag.getRes();
-        if (res == null) {
-            return;
-        }
-
-        ca.revoke(res);
-        onSave(null);
-    }
-
-    /**
-     * EFFECTS: Sign a CRL and save to disk. Save enforced.
-     * MODIFIES: this
-     * REQUIRES: Proper private key and CA cert installed.
-     */
-    private void onCRL(ActionEvent ev) {
-        final Path p = chooseFile(rootPanel, "DER CRL (*.crl)", "crl");
-        if (p == null) {
-            return;
-        }
-        try {
-            final OutputStream fd = Files.newOutputStream(p,
-                    StandardOpenOption.WRITE,
-                    StandardOpenOption.TRUNCATE_EXISTING,
-                    StandardOpenOption.CREATE);
-            final CertificateList crl = ca.signCRL();
-            fd.write(Utils.byteToByte(crl.encodeDER()));
-            fd.close();
-            onSave(null);
-        } catch (IOException | SignatureException | InvalidKeyException | NoSuchAlgorithmException e) {
-            alert(rootPanel, "Sign CRL", e);
-        }
-    }
-
-    /**
-     * EFFECTS: Pick a CSR, show issue dialog, sign cert. Save enforced.
-     * MODIFIES: this
-     * REQUIRES: Proper private key / CA is installed.
-     */
-    private void onIssue(ActionEvent ev) {
-        if (ca.getTemplates().stream().noneMatch(Template::isEnabled)) {
-            alert(rootPanel, "Issue new certificate", "No enabled templates.");
-            return;
-        }
-        final Path p = chooseFile(rootPanel, "DER CSR (*.csr, *.pem)", "csr", "pem");
-        if (p == null) {
-            return;
-        }
-        try {
-            CertificationRequest csr = new CertificationRequest(new BytesReader(UIUtils.openDERorPEM(p,
-                    "CERTIFICATE REQUEST")), false);
-            final IssueDialog diag = new IssueDialog(csr, ca.getTemplates());
-            diag.setLocationRelativeTo(this);
-            diag.setVisible(true);
-            final Template res = diag.getRes();
-            if (res == null) {
-                return;
-            }
-            ca.signCert(csr.getCertificationRequestInfo(), res);
-            onSave(null);
-        } catch (IOException | ParseException | NoSuchAlgorithmException | SignatureException | InvalidKeyException e) {
-            alert(rootPanel, "Issue new certificate", e);
-        }
-    }
-
-    /**
-     * EFFECTS: Show the new template dialog and add a template.
-     * MODIFIES: this
-     */
-    private void onNewTemplate(ActionEvent ev) {
-        final TemplateEditDialog diag = new TemplateEditDialog(temp ->
-                ca.getTemplates().stream().anyMatch(t -> t.getName().equals(temp)));
-        diag.pack();
-        diag.setLocationRelativeTo(this);
-        diag.setVisible(true);
-        final Template res = diag.getRes();
-        if (res == null) {
-            return;
-        }
-        ca.addTemplate(res);
-        unsaved.set(true);
-    }
-}