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/*
* JBoss, Home of Professional Open Source.
* Copyright 2016, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.ejb3.subsystem;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.function.BooleanSupplier;
import java.util.function.Consumer;
import java.util.function.Function;
import org.jboss.as.controller.AbstractAddStepHandler;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.ReloadRequiredRemoveStepHandler;
import org.jboss.as.controller.ReloadRequiredWriteAttributeHandler;
import org.jboss.as.controller.ResourceDefinition;
import org.jboss.as.controller.SimpleResourceDefinition;
import org.jboss.as.controller.StringListAttributeDefinition;
import org.jboss.as.controller.access.management.SensitiveTargetAccessConstraintDefinition;
import org.jboss.as.controller.capability.RuntimeCapability;
import org.jboss.as.controller.registry.AttributeAccess;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.as.controller.registry.OperationEntry;
import org.jboss.as.controller.registry.Resource;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.inject.Injector;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController.Mode;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.wildfly.security.auth.server.RealmUnavailableException;
import org.wildfly.security.auth.server.SecurityDomain;
import org.wildfly.security.auth.server.SecurityIdentity;
import org.wildfly.security.auth.server.ServerAuthenticationContext;
/**
* A {@link ResourceDefinition} to define the security domains to attempt to outflow an established identity to.
*
* @author Farah Juma
*/
public class IdentityResourceDefinition extends SimpleResourceDefinition {
public static final String IDENTITY_CAPABILITY = "org.wildfly.ejb3.identity";
static final RuntimeCapability IDENTITY_RUNTIME_CAPABILITY = RuntimeCapability
.Builder.of(IDENTITY_CAPABILITY, Consumer.class)
.build();
private static final String SECURITY_DOMAIN_CAPABILITY = "org.wildfly.security.security-domain";
public static final StringListAttributeDefinition OUTFLOW_SECURITY_DOMAINS = new StringListAttributeDefinition.Builder(EJB3SubsystemModel.OUTFLOW_SECURITY_DOMAINS)
.setRequired(false)
.setMinSize(1)
.setFlags(AttributeAccess.Flag.RESTART_ALL_SERVICES)
.setCapabilityReference(SECURITY_DOMAIN_CAPABILITY, IDENTITY_CAPABILITY, false)
.setAccessConstraints(SensitiveTargetAccessConstraintDefinition.ELYTRON_SECURITY_DOMAIN_REF)
.build();
static final IdentityResourceDefinition INSTANCE = new IdentityResourceDefinition();
private static final AttributeDefinition[] ATTRIBUTES = new AttributeDefinition[] { OUTFLOW_SECURITY_DOMAINS };
private static List outflowSecurityDomains = Collections.synchronizedList(new ArrayList<>());
private IdentityResourceDefinition() {
this(new Parameters(EJB3SubsystemModel.IDENTITY_PATH, EJB3Extension.getResourceDescriptionResolver(EJB3SubsystemModel.IDENTITY))
.setCapabilities(IDENTITY_RUNTIME_CAPABILITY), new AddHandler());
}
private IdentityResourceDefinition(Parameters parameters, AbstractAddStepHandler add) {
super(parameters
.setAddHandler(add)
.setRemoveHandler(new ReloadRequiredRemoveStepHandler(IDENTITY_RUNTIME_CAPABILITY))
.setRemoveRestartLevel(OperationEntry.Flag.RESTART_ALL_SERVICES));
}
@Override
public void registerAttributes(ManagementResourceRegistration resourceRegistration) {
outflowSecurityDomains.clear();
ReloadRequiredWriteAttributeHandler handler = new ReloadRequiredWriteAttributeHandler(ATTRIBUTES);
for (AttributeDefinition attribute: ATTRIBUTES) {
resourceRegistration.registerReadWriteAttribute(attribute, null, handler);
}
}
private static class AddHandler extends AbstractAddStepHandler {
private AddHandler() {
super(IDENTITY_RUNTIME_CAPABILITY, OUTFLOW_SECURITY_DOMAINS);
}
@Override
protected void populateModel(OperationContext context, ModelNode operation, Resource resource) throws OperationFailedException {
super.populateModel(context, operation, resource);
outflowSecurityDomains = OUTFLOW_SECURITY_DOMAINS.unwrap(context, resource.getModel());
}
@Override
protected void performRuntime(OperationContext context, ModelNode operation, ModelNode model) throws OperationFailedException {
IdentityService identityService = new IdentityService();
ServiceBuilder>> serviceBuilder = context.getServiceTarget()
.addService(IDENTITY_RUNTIME_CAPABILITY.getCapabilityServiceName(), identityService)
.setInitialMode(Mode.ACTIVE);
for (String outflowSecurityDomain : outflowSecurityDomains) {
serviceBuilder.addDependency(context.getCapabilityServiceName(
SECURITY_DOMAIN_CAPABILITY, outflowSecurityDomain, SecurityDomain.class),
SecurityDomain.class, identityService.createOutflowSecurityDomainInjector());
}
serviceBuilder.install();
}
}
static class IdentityService implements Service>> {
private final List> outflowSecurityDomainInjectors = new ArrayList<>();
private Set outflowSecurityDomains = new HashSet<>();
@Override
public void start(StartContext context) throws StartException {
HashSet securityDomains = new HashSet<>();
for (InjectedValue outflowSecurityDomainInjector : outflowSecurityDomainInjectors) {
SecurityDomain value = outflowSecurityDomainInjector.getValue();
securityDomains.add(value);
}
outflowSecurityDomains.addAll(securityDomains);
}
private Set outflowIdentity(final SecurityIdentity securityIdentity) {
Set outflowedIdentities = new HashSet<>(outflowSecurityDomains.size());
if (securityIdentity != null) {
// Attempt to outflow the established identity to each domain in the list
for (SecurityDomain outflowSecurityDomain : outflowSecurityDomains) {
try {
ServerAuthenticationContext serverAuthenticationContext = outflowSecurityDomain.createNewAuthenticationContext();
if (serverAuthenticationContext.importIdentity(securityIdentity)) {
outflowedIdentities.add(serverAuthenticationContext.getAuthorizedIdentity());
}
} catch (RealmUnavailableException | IllegalStateException e) {
// Ignored
}
}
}
return outflowedIdentities;
}
@Override
public void stop(StopContext context) {
outflowSecurityDomains = null;
}
@Override
public Function> getValue() throws IllegalStateException, IllegalArgumentException {
return this::outflowIdentity;
}
Injector createOutflowSecurityDomainInjector() {
InjectedValue injectedValue = new InjectedValue<>();
outflowSecurityDomainInjectors.add(injectedValue);
return injectedValue;
}
}
BooleanSupplier getOutflowSecurityDomainsConfiguredSupplier() {
return () -> ! outflowSecurityDomains.isEmpty();
}
}
