/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php
*
* 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 com.android.ide.eclipse.adt.project.export;
import com.android.ide.eclipse.adt.project.ProjectHelper;
import com.android.ide.eclipse.adt.project.export.ExportWizard.ExportWizardPage;
import org.eclipse.core.resources.IProject;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.util.ArrayList;
import java.util.Enumeration;
/**
* Key Selection Page. This is used when an existing keystore is used.
*/
final class KeySelectionPage extends ExportWizardPage {
private final ExportWizard mWizard;
private Label mKeyAliasesLabel;
private Combo mKeyAliases;
private Label mKeyPasswordLabel;
private Text mKeyPassword;
private boolean mDisableOnChange = false;
private Button mUseExistingKey;
private Button mCreateKey;
protected KeySelectionPage(ExportWizard wizard, String pageName) {
super(pageName);
mWizard = wizard;
setTitle("Key alias selection");
setDescription(""); // TODO
}
public void createControl(Composite parent) {
Composite composite = new Composite(parent, SWT.NULL);
composite.setLayoutData(new GridData(GridData.FILL_BOTH));
GridLayout gl = new GridLayout(3, false);
composite.setLayout(gl);
GridData gd;
mUseExistingKey = new Button(composite, SWT.RADIO);
mUseExistingKey.setText("Use existing key");
mUseExistingKey.setLayoutData(gd = new GridData(GridData.FILL_HORIZONTAL));
gd.horizontalSpan = 3;
mUseExistingKey.setSelection(true);
new Composite(composite, SWT.NONE).setLayoutData(gd = new GridData());
gd.heightHint = 0;
gd.widthHint = 50;
mKeyAliasesLabel = new Label(composite, SWT.NONE);
mKeyAliasesLabel.setText("Alias:");
mKeyAliases = new Combo(composite, SWT.READ_ONLY);
mKeyAliases.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
new Composite(composite, SWT.NONE).setLayoutData(gd = new GridData());
gd.heightHint = 0;
gd.widthHint = 50;
mKeyPasswordLabel = new Label(composite, SWT.NONE);
mKeyPasswordLabel.setText("Password:");
mKeyPassword = new Text(composite, SWT.BORDER | SWT.PASSWORD);
mKeyPassword.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
mCreateKey = new Button(composite, SWT.RADIO);
mCreateKey.setText("Create new key");
mCreateKey.setLayoutData(gd = new GridData(GridData.FILL_HORIZONTAL));
gd.horizontalSpan = 3;
// Show description the first time
setErrorMessage(null);
setMessage(null);
setControl(composite);
mUseExistingKey.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
mWizard.setKeyCreationMode(!mUseExistingKey.getSelection());
enableWidgets();
onChange();
}
});
mKeyAliases.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
mWizard.setKeyAlias(mKeyAliases.getItem(mKeyAliases.getSelectionIndex()));
onChange();
}
});
mKeyPassword.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
mWizard.setKeyPassword(mKeyPassword.getText());
onChange();
}
});
}
@Override
void onShow() {
// fill the texts with information loaded from the project.
if ((mProjectDataChanged & (DATA_PROJECT | DATA_KEYSTORE)) != 0) {
// disable onChange for now. we'll call it once at the end.
mDisableOnChange = true;
// reset the alias from the content of the project
try {
// reset to using a key
mWizard.setKeyCreationMode(false);
mUseExistingKey.setSelection(true);
mCreateKey.setSelection(false);
enableWidgets();
// remove the content of the alias combo always and first, in case the
// keystore password is wrong
mKeyAliases.removeAll();
// get the alias list (also used as a keystore password test)
KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
FileInputStream fis = new FileInputStream(mWizard.getKeystore());
keyStore.load(fis, mWizard.getKeystorePassword().toCharArray());
fis.close();
Enumeration<String> aliases = keyStore.aliases();
// get the alias from the project previous export, and look for a match as
// we add the aliases to the combo.
IProject project = mWizard.getProject();
String keyAlias = ProjectHelper.loadStringProperty(project,
ExportWizard.PROPERTY_ALIAS);
ArrayList<String> aliasList = new ArrayList<String>();
int selection = -1;
int count = 0;
while (aliases.hasMoreElements()) {
String alias = aliases.nextElement();
mKeyAliases.add(alias);
aliasList.add(alias);
if (selection == -1 && alias.equalsIgnoreCase(keyAlias)) {
selection = count;
}
count++;
}
mWizard.setExistingAliases(aliasList);
if (selection != -1) {
mKeyAliases.select(selection);
// since a match was found and is selected, we need to give it to
// the wizard as well
mWizard.setKeyAlias(keyAlias);
} else {
mKeyAliases.clearSelection();
}
// reset the password
mKeyPassword.setText(""); //$NON-NLS-1$
// enable onChange, and call it to display errors and enable/disable pageCompleted.
mDisableOnChange = false;
onChange();
} catch (KeyStoreException e) {
onException(e);
} catch (FileNotFoundException e) {
onException(e);
} catch (NoSuchAlgorithmException e) {
onException(e);
} catch (CertificateException e) {
onException(e);
} catch (IOException e) {
onException(e);
} finally {
// in case we exit with an exception, we need to reset this
mDisableOnChange = false;
}
}
}
@Override
public IWizardPage getPreviousPage() {
return mWizard.getKeystoreSelectionPage();
}
@Override
public IWizardPage getNextPage() {
if (mWizard.getKeyCreationMode()) {
return mWizard.getKeyCreationPage();
}
return mWizard.getKeyCheckPage();
}
/**
* Handles changes and update the error message and calls {@link #setPageComplete(boolean)}.
*/
private void onChange() {
if (mDisableOnChange) {
return;
}
setErrorMessage(null);
setMessage(null);
if (mWizard.getKeyCreationMode() == false) {
if (mKeyAliases.getSelectionIndex() == -1) {
setErrorMessage("Select a key alias.");
setPageComplete(false);
return;
}
if (mKeyPassword.getText().trim().length() == 0) {
setErrorMessage("Enter key password.");
setPageComplete(false);
return;
}
}
setPageComplete(true);
}
private void enableWidgets() {
boolean useKey = !mWizard.getKeyCreationMode();
mKeyAliasesLabel.setEnabled(useKey);
mKeyAliases.setEnabled(useKey);
mKeyPassword.setEnabled(useKey);
mKeyPasswordLabel.setEnabled(useKey);
}
}