org.apache.directory.studio.connection.ui.dialogs.CertificateTrustDialog.java Source code

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/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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.apache.directory.studio.connection.ui.dialogs;

import java.security.cert.X509Certificate;
import java.util.List;

import org.apache.directory.studio.common.ui.widgets.BaseWidgetUtils;
import org.apache.directory.studio.connection.core.ICertificateHandler;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;

/**
 * Dialog to ask for certificate trust.
 *
 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
 */
public class CertificateTrustDialog extends Dialog {
    /** The title. */
    private String title;

    /** The trust level. */
    private ICertificateHandler.TrustLevel trustLevel;

    /** The host */
    private String host;

    /** The certificate chain. */
    private X509Certificate[] certificateChain;

    /** The causes of failed certificate validation. */
    private List<ICertificateHandler.FailCause> failCauses;

    /**
     * Creates a new instance of CertificateTrustDialog.
     * 
     * @param parentShell the parent shell
     * @param host the host
     * @param certificateChain the certificate chain
     * @param failCauses the causes of failed certificate validation
     */
    public CertificateTrustDialog(Shell parentShell, String host, X509Certificate[] certificateChain,
            List<ICertificateHandler.FailCause> failCauses) {
        super(parentShell);
        super.setShellStyle(super.getShellStyle() | SWT.RESIZE);
        title = Messages.getString("CertificateTrustDialog.CertificateTrust"); //$NON-NLS-1$
        this.host = host;
        this.certificateChain = certificateChain;
        this.failCauses = failCauses;
        trustLevel = null;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void configureShell(Shell shell) {
        super.configureShell(shell);
        shell.setText(title);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, IDialogConstants.DETAILS_ID,
                Messages.getString("CertificateTrustDialog.ViewCertificate"), false); //$NON-NLS-1$
        createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, false);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void buttonPressed(int buttonId) {
        if (buttonId == IDialogConstants.DETAILS_ID) {
            new CertificateInfoDialog(getShell(), certificateChain).open();
        }

        super.buttonPressed(buttonId);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected Control createDialogArea(final Composite parent) {
        Composite composite = (Composite) super.createDialogArea(parent);
        GridData gridData = new GridData(GridData.FILL_BOTH);
        gridData.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);
        gridData.heightHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH / 2);
        composite.setLayoutData(gridData);

        BaseWidgetUtils.createWrappedLabel(composite,
                NLS.bind(Messages.getString("CertificateTrustDialog.InvalidCertificate"), host), 1); //$NON-NLS-1$

        // failed cause
        Composite failedCauseContainer = BaseWidgetUtils.createColumnContainer(composite, 1, 1);

        for (ICertificateHandler.FailCause failCause : failCauses) {
            switch (failCause) {
            case SelfSignedCertificate:
                BaseWidgetUtils.createWrappedLabel(failedCauseContainer,
                        Messages.getString("CertificateTrustDialog.SelfSignedCertificate"), 1); //$NON-NLS-1$
                break;

            case CertificateExpired:
                BaseWidgetUtils.createWrappedLabel(failedCauseContainer,
                        Messages.getString("CertificateTrustDialog.CertificateExpired"), 1); //$NON-NLS-1$
                break;

            case CertificateNotYetValid:
                BaseWidgetUtils.createWrappedLabel(failedCauseContainer,
                        Messages.getString("CertificateTrustDialog.CertificateNotYetValid"), 1); //$NON-NLS-1$
                break;

            case NoValidCertificationPath:
                BaseWidgetUtils.createWrappedLabel(failedCauseContainer,
                        Messages.getString("CertificateTrustDialog.NoValidCertificationPath"), 1); //$NON-NLS-1$
                break;

            case HostnameVerificationFailed:
                BaseWidgetUtils.createWrappedLabel(failedCauseContainer,
                        Messages.getString("CertificateTrustDialog.HostnameVerificationFailed"), 1); //$NON-NLS-1$
                break;
            }
        }

        BaseWidgetUtils.createSpacer(composite, 1);
        BaseWidgetUtils.createSpacer(composite, 1);

        BaseWidgetUtils.createWrappedLabel(composite,
                NLS.bind(Messages.getString("CertificateTrustDialog.ChooseTrustLevel"), host), 1); //$NON-NLS-1$

        // The "Don't trust" button
        Button trustNotButton = BaseWidgetUtils.createRadiobutton(composite,
                Messages.getString("CertificateTrustDialog.DoNotTrust"), 1); //$NON-NLS-1$

        trustNotButton.addSelectionListener(new SelectionAdapter() {
            /**
             * {@inheritDoc}
             */
            @Override
            public void widgetSelected(final SelectionEvent event) {
                CertificateTrustDialog.this.trustLevel = ICertificateHandler.TrustLevel.Not;
            }
        });

        // The "Trust in current session" button.
        Button trustSessionButton = BaseWidgetUtils.createRadiobutton(composite,
                Messages.getString("CertificateTrustDialog.TrustForThisSession"), 1); //$NON-NLS-1$

        trustSessionButton.addSelectionListener(new SelectionAdapter() {
            /**
             * {@inheritDoc}
             */
            @Override
            public void widgetSelected(final SelectionEvent event) {
                CertificateTrustDialog.this.trustLevel = ICertificateHandler.TrustLevel.Session;
            }
        });

        // The "Trust permanent" button.
        Button trustPermanentButton = BaseWidgetUtils.createRadiobutton(composite,
                Messages.getString("CertificateTrustDialog.AlwaysTrust"), 1); //$NON-NLS-1$
        trustPermanentButton.addSelectionListener(new SelectionAdapter() {
            /**
             * {@inheritDoc}
             */
            @Override
            public void widgetSelected(final SelectionEvent event) {
                CertificateTrustDialog.this.trustLevel = ICertificateHandler.TrustLevel.Permanent;
            }
        });

        // default settings
        trustNotButton.setSelection(true);
        trustLevel = ICertificateHandler.TrustLevel.Not;

        return composite;
    }

    /**
     * Gets the trust level.
     * 
     * @return the trust level
     */
    public ICertificateHandler.TrustLevel getTrustLevel() {
        return trustLevel;
    }
}