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/*******************************************************************************
* Copyright (c) 2005, 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.internal.security.ui;
import java.util.Arrays;
import java.util.Hashtable;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.equinox.internal.provisional.security.ui.AuthorizationManager;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.osgi.internal.provisional.service.security.AuthorizationEngine;
import org.eclipse.osgi.service.debug.DebugOptions;
import org.eclipse.osgi.service.resolver.PlatformAdmin;
import org.eclipse.osgi.service.security.TrustEngine;
import org.eclipse.osgi.util.NLS;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.*;
import org.osgi.util.tracker.ServiceTracker;
// TBD change to use standard NLS mechanism and then switch to implement BundleActivator
// TBD most of the strings in the message file are not used
public class Activator extends AbstractUIPlugin {
public static final String PLUGIN_ID = "org.eclipse.equinox.security.ui"; //$NON-NLS-1$
// constants for services
private static final String PROP_TRUST_ENGINE = "osgi.signedcontent.trust.engine"; //$NON-NLS-1$
private static final String PROP_AUTHZ_ENGINE = "osgi.signedcontent.authorization.engine"; //$NON-NLS-1$
private static final String PROP_AUTHZ_MANAGER = "osgi.signedcontent.authorization.manager"; //$NON-NLS-1$
private static final String PROP_DEFAULT_SERVICE = "org.eclipse.osgi"; //$NON-NLS-1$
//service trackers
private static ServiceTracker trustEngineTracker;
private static ServiceTracker authzEngineTracker;
private static ServiceTracker authzManagerTracker;
private static ServiceTracker platformAdminTracker;
private static ServiceTracker debugTracker;
// The shared plug-in instance
private static Activator plugin;
// The bundle context
private static BundleContext bundleContext;
private ServiceRegistration defaultAuthzManagerReg;
// debug tracing
private static final String OPTION_DEBUG = "org.eclipse.equinox.security.ui/debug"; //$NON-NLS-1$;
private static final String OPTION_DEBUG_STORAGE = OPTION_DEBUG + "/storage"; //$NON-NLS-1$;
public Activator() {
super();
}
/**
* Returns the bundle context.
*/
public static BundleContext getBundleContext() {
return bundleContext;
}
public static Activator getDefault() {
return plugin;
}
/**
* Returns the symbolic name for this bundle.
*/
public static String getSymbolicName() {
return plugin.getBundle().getSymbolicName();
}
public void start(BundleContext context) throws Exception {
super.start(context);
bundleContext = context;
plugin = this;
// Register the default authorization manager
Hashtable properties = new Hashtable(7);
properties.put(Constants.SERVICE_RANKING, new Integer(Integer.MIN_VALUE));
properties.put(PROP_AUTHZ_MANAGER, PROP_DEFAULT_SERVICE);
defaultAuthzManagerReg = bundleContext.registerService(AuthorizationManager.class.getName(), new DefaultAuthorizationManager(), properties);
}
public void stop(BundleContext context) throws Exception {
super.stop(context);
bundleContext = null;
plugin = null;
if (defaultAuthzManagerReg != null) {
defaultAuthzManagerReg.unregister();
defaultAuthzManagerReg = null;
}
if (authzEngineTracker != null) {
authzEngineTracker.close();
authzEngineTracker = null;
}
if (authzManagerTracker != null) {
authzManagerTracker.close();
authzManagerTracker = null;
}
if (platformAdminTracker != null) {
platformAdminTracker.close();
platformAdminTracker = null;
}
if (debugTracker != null) {
debugTracker.close();
debugTracker = null;
}
}
public static TrustEngine[] getTrustEngines() {
if (trustEngineTracker == null) {
String trustAuthorityProp = Activator.getBundleContext().getProperty(PROP_TRUST_ENGINE);
Filter filter = null;
if (trustAuthorityProp != null)
try {
filter = FrameworkUtil.createFilter("(&(" + Constants.OBJECTCLASS + "=" + TrustEngine.class.getName() + ")(" + PROP_TRUST_ENGINE + "=" + trustAuthorityProp + "))"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$//$NON-NLS-5$
} catch (InvalidSyntaxException e) {
e.printStackTrace();
// do nothing just use no filter TODO we may want to log something
}
if (filter != null) {
trustEngineTracker = new ServiceTracker(bundleContext, filter, null);
} else
trustEngineTracker = new ServiceTracker(bundleContext, TrustEngine.class.getName(), null);
trustEngineTracker.open();
}
Object[] services = trustEngineTracker.getServices();
if (services != null) {
return (TrustEngine[]) Arrays.asList(services).toArray(new TrustEngine[] {});
}
return new TrustEngine[0];
}
public static AuthorizationEngine getAuthorizationEngine() {
if (authzEngineTracker == null) {
String implProp = Activator.getBundleContext().getProperty(PROP_AUTHZ_ENGINE);
Filter filter = null;
if (implProp != null)
try {
filter = FrameworkUtil.createFilter("(&(" + Constants.OBJECTCLASS + "=" + AuthorizationEngine.class.getName() + ")(" + PROP_AUTHZ_ENGINE + "=" + implProp + "))"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$//$NON-NLS-5$
} catch (InvalidSyntaxException e) {
//TODO:log the error
}
if (filter != null) {
authzEngineTracker = new ServiceTracker(Activator.getBundleContext(), filter, null);
} else {
authzEngineTracker = new ServiceTracker(Activator.getBundleContext(), AuthorizationEngine.class.getName(), null);
}
authzEngineTracker.open();
}
return (AuthorizationEngine) authzEngineTracker.getService();
}
public static AuthorizationManager getAuthorizationManager() {
if (authzManagerTracker == null) {
String implProp = Activator.getBundleContext().getProperty(PROP_AUTHZ_MANAGER);
Filter filter = null;
if (implProp != null)
try {
filter = FrameworkUtil.createFilter("(&(" + Constants.OBJECTCLASS + "=" + AuthorizationManager.class.getName() + ")(" + PROP_AUTHZ_MANAGER + "=" + implProp + "))"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$//$NON-NLS-5$
} catch (InvalidSyntaxException e) {
//TODO:log the error
}
if (filter != null) {
authzManagerTracker = new ServiceTracker(Activator.getBundleContext(), filter, null);
} else {
authzManagerTracker = new ServiceTracker(Activator.getBundleContext(), AuthorizationManager.class.getName(), null);
}
authzManagerTracker.open();
}
return (AuthorizationManager) authzManagerTracker.getService();
}
public static PlatformAdmin getPlatformAdmin() {
if (platformAdminTracker == null) {
platformAdminTracker = new ServiceTracker(Activator.getBundleContext(), PlatformAdmin.class.getName(), null);
platformAdminTracker.open();
}
return (PlatformAdmin) platformAdminTracker.getService();
}
/**
* Get the workbench image with the given path relative to ICON_PATH.
* @param relativePath
* @return ImageDescriptor
*/
public static ImageDescriptor getImageDescriptor(String relativePath) {
return imageDescriptorFromPlugin("org.eclipse.equinox.security.ui", "icons" + relativePath); //$NON-NLS-1$ //$NON-NLS-2$
}
/**
* Logs a message.
* @param severity Either IStatus.INFO, IStatus.WARNING or IStatus.ERROR.
* @param key The key of the translated message in the resource bundle.
* @param args The arguments to pass to <code>MessageFormat.format</code>
* or <code>null</code> if the message has no arguments.
* @param throwable exception associated with this message or <code>null</code>.
*/
public static void log(int severity, String key, Object args[], Throwable throwable) {
plugin.getLog().log(new Status(severity, getSymbolicName(), IStatus.OK, NLS.bind(key, args), throwable));
}
public DebugOptions getDebugOptions() {
if (debugTracker == null) {
debugTracker = new ServiceTracker(bundleContext, DebugOptions.class.getName(), null);
debugTracker.open();
}
return (DebugOptions) debugTracker.getService();
}
public boolean debugStorageContents() {
DebugOptions debugOptions = getDebugOptions();
if (debugOptions == null)
return false;
return debugOptions.getBooleanOption(OPTION_DEBUG, false) && //
debugOptions.getBooleanOption(OPTION_DEBUG_STORAGE, false);
}
}
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