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package com.mallory.application;
import javax.inject.Inject;
import org.glassfish.hk2.api.Descriptor;
import org.glassfish.hk2.api.DynamicConfiguration;
import org.glassfish.hk2.api.DynamicConfigurationService;
import org.glassfish.hk2.api.Filter;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.hk2.utilities.BuilderHelper;
import org.jvnet.hk2.annotations.Service;
import com.alice.application.AliceApp;
/**
* This naughty service will attempt to do many things it is not allowed to do
*
* @author jwells
*
*/
@Service
public class MalloryApp {
@Inject
private AliceApp alice;
@Inject
private ServiceLocator locator;
/**
* Mallory is allowed to call the AliceApp
*/
public void doAnApprovedOperation() {
alice.doAuditedService("Mallory");
}
/**
* Mallory cannot however lookup the AuditService himself!
*/
public void tryToGetTheAuditServiceMyself() {
Object auditService = locator.getBestDescriptor(BuilderHelper.createContractFilter("org.acme.security.AuditService"));
auditService.toString(); // This should NPE!
}
/**
* Mallory cannot advertise the EvilService
*/
public void tryToAdvertiseAService() {
DynamicConfigurationService dcs = locator.getService(DynamicConfigurationService.class);
DynamicConfiguration config = dcs.createDynamicConfiguration();
config.addActiveDescriptor(EvilService.class);
config.commit(); // This will throw a MultiException
}
/**
* Mallory cannot un-advertise ServiceLocator!
*/
public void tryToUnAdvertiseAService() {
final Descriptor locatorService = locator.getBestDescriptor(BuilderHelper.createContractFilter(ServiceLocator.class.getName()));
// This filter matches ServiceLocator itself!
Filter unbindFilter = new Filter() {
@Override
public boolean matches(Descriptor d) {
if (d.getServiceId().equals(locatorService.getServiceId())) {
if (d.getLocatorId().equals(locator.getLocatorId())) {
return true;
}
}
return false;
}
};
DynamicConfigurationService dcs = locator.getService(DynamicConfigurationService.class);
DynamicConfiguration config = dcs.createDynamicConfiguration();
config.addUnbindFilter(unbindFilter);
config.commit(); // This will throw a MultiException
}
/**
* Tries to instantiate a service with an illegal injection point
*/
public void tryToInstantiateAServiceWithABadInjectionPoint() {
locator.getService(EvilInjectedService.class); // Will throw MultiException
}
}