/*
* 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.jackrabbit.oak.spi.security.authorization;
import java.security.Principal;
import java.util.List;
import java.util.Set;
import javax.annotation.Nonnull;
import javax.jcr.RepositoryException;
import javax.jcr.security.AccessControlException;
import javax.jcr.security.AccessControlManager;
import javax.jcr.security.AccessControlPolicy;
import javax.jcr.security.AccessControlPolicyIterator;
import javax.jcr.security.Privilege;
import com.google.common.base.Function;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterators;
import com.google.common.collect.Lists;
import org.apache.jackrabbit.api.security.JackrabbitAccessControlManager;
import org.apache.jackrabbit.api.security.JackrabbitAccessControlPolicy;
import org.apache.jackrabbit.commons.iterator.AccessControlPolicyIteratorAdapter;
import org.apache.jackrabbit.oak.api.Root;
import org.apache.jackrabbit.oak.namepath.NamePathMapper;
import org.apache.jackrabbit.oak.spi.security.CompositeConfiguration;
import org.apache.jackrabbit.oak.spi.security.SecurityProvider;
import org.apache.jackrabbit.oak.spi.security.authorization.accesscontrol.AbstractAccessControlManager;
import org.apache.jackrabbit.oak.spi.security.authorization.accesscontrol.PolicyOwner;
import org.apache.jackrabbit.oak.spi.security.authorization.permission.PermissionProvider;
import org.apache.jackrabbit.oak.spi.security.authorization.restriction.CompositeRestrictionProvider;
import org.apache.jackrabbit.oak.spi.security.authorization.restriction.RestrictionProvider;
/**
* {@link CompositeAuthorizationConfiguration} that combines different
* authorization models. This implementation has the following characteristics:
*
* TODO
*/
public class CompositeAuthorizationConfiguration extends CompositeConfiguration<AuthorizationConfiguration> implements AuthorizationConfiguration {
public CompositeAuthorizationConfiguration(@Nonnull SecurityProvider securityProvider) {
super(AuthorizationConfiguration.NAME, securityProvider);
}
@Nonnull
@Override
public AccessControlManager getAccessControlManager(final @Nonnull Root root,
final @Nonnull NamePathMapper namePathMapper) {
List<AccessControlManager> mgrs = Lists.transform(getConfigurations(), new Function<AuthorizationConfiguration, AccessControlManager>() {
@Override
public AccessControlManager apply(AuthorizationConfiguration authorizationConfiguration) {
return authorizationConfiguration.getAccessControlManager(root, namePathMapper);
}
});
return new CompositeAcMgr(root, namePathMapper, getSecurityProvider(), mgrs);
}
@Nonnull
@Override
public RestrictionProvider getRestrictionProvider() {
return CompositeRestrictionProvider.newInstance(
Lists.transform(getConfigurations(),
new Function<AuthorizationConfiguration, RestrictionProvider>() {
@Override
public RestrictionProvider apply(AuthorizationConfiguration authorizationConfiguration) {
return authorizationConfiguration.getRestrictionProvider();
}
}));
}
@Nonnull
@Override
public PermissionProvider getPermissionProvider(@Nonnull Root root, @Nonnull String workspaceName, @Nonnull Set<Principal> principals) {
// TODO
throw new UnsupportedOperationException("not yet implemented.");
}
/**
* Access control manager that aggregates a list of different access control
* manager implementations. Note, that the implementations *must* implement
* the {@link org.apache.jackrabbit.oak.spi.security.authorization.accesscontrol.PolicyOwner}
* interface in order to be able to set and remove individual access control
* policies.
*/
private static class CompositeAcMgr extends AbstractAccessControlManager {
private final List<AccessControlManager> acMgrs;
private CompositeAcMgr(@Nonnull Root root,
@Nonnull NamePathMapper namePathMapper,
@Nonnull SecurityProvider securityProvider,
@Nonnull List<AccessControlManager> acMgrs) {
super(root, namePathMapper, securityProvider);
this.acMgrs = acMgrs;
}
//-------------------------------------------< AccessControlManager >---
@Override
public Privilege[] getSupportedPrivileges(String absPath) throws RepositoryException {
ImmutableList.Builder<Privilege> privs = ImmutableList.builder();
for (AccessControlManager acMgr : acMgrs) {
privs.add(acMgr.getSupportedPrivileges(absPath));
}
List<Privilege> l = privs.build();
return l.toArray(new Privilege[l.size()]);
}
@Override
public AccessControlPolicy[] getPolicies(String absPath) throws RepositoryException {
ImmutableList.Builder<AccessControlPolicy> policies = ImmutableList.builder();
for (AccessControlManager acMgr : acMgrs) {
policies.add(acMgr.getPolicies(absPath));
}
List<AccessControlPolicy> l = policies.build();
return l.toArray(new AccessControlPolicy[l.size()]);
}
@Override
public AccessControlPolicy[] getEffectivePolicies(String absPath) throws RepositoryException {
ImmutableList.Builder<AccessControlPolicy> privs = ImmutableList.builder();
for (AccessControlManager acMgr : acMgrs) {
privs.add(acMgr.getEffectivePolicies(absPath));
}
List<AccessControlPolicy> l = privs.build();
return l.toArray(new AccessControlPolicy[l.size()]);
}
@Override
public AccessControlPolicyIterator getApplicablePolicies(String absPath) throws RepositoryException {
List<AccessControlPolicyIterator> l = Lists.newArrayList();
for (AccessControlManager acMgr : acMgrs) {
if (acMgr instanceof PolicyOwner) {
l.add(acMgr.getApplicablePolicies(absPath));
}
}
return new AccessControlPolicyIteratorAdapter(Iterators.concat(l.toArray(new AccessControlPolicyIterator[l.size()])));
}
@Override
public void setPolicy(String absPath, AccessControlPolicy policy) throws RepositoryException {
for (AccessControlManager acMgr : acMgrs) {
if (acMgr instanceof PolicyOwner && ((PolicyOwner) acMgr).defines(absPath, policy)) {
acMgr.setPolicy(absPath, policy);
return;
}
}
throw new AccessControlException("Cannot set access control policy " + policy + "; no PolicyOwner found.");
}
@Override
public void removePolicy(String absPath, AccessControlPolicy policy) throws RepositoryException {
for (AccessControlManager acMgr : acMgrs) {
if (acMgr instanceof PolicyOwner && ((PolicyOwner) acMgr).defines(absPath, policy)) {
acMgr.removePolicy(absPath, policy);
return;
}
}
throw new AccessControlException("Cannot remove access control policy " + policy + "; no PolicyOwner found.");
}
//---------------------------------< JackrabbitAccessControlManager >---
@Override
public JackrabbitAccessControlPolicy[] getApplicablePolicies(Principal principal) throws RepositoryException {
ImmutableList.Builder<JackrabbitAccessControlPolicy> policies = ImmutableList.builder();
for (AccessControlManager acMgr : acMgrs) {
if (acMgr instanceof JackrabbitAccessControlManager && acMgr instanceof PolicyOwner) {
policies.add(((JackrabbitAccessControlManager) acMgr).getApplicablePolicies(principal));
}
}
List<JackrabbitAccessControlPolicy> l = policies.build();
return l.toArray(new JackrabbitAccessControlPolicy[l.size()]);
}
@Override
public JackrabbitAccessControlPolicy[] getPolicies(Principal principal) throws RepositoryException {
ImmutableList.Builder<JackrabbitAccessControlPolicy> privs = ImmutableList.builder();
for (AccessControlManager acMgr : acMgrs) {
if (acMgr instanceof JackrabbitAccessControlManager) {
privs.add(((JackrabbitAccessControlManager) acMgr).getPolicies(principal));
}
}
List<JackrabbitAccessControlPolicy> l = privs.build();
return l.toArray(new JackrabbitAccessControlPolicy[l.size()]);
}
@Override
public AccessControlPolicy[] getEffectivePolicies(Set<Principal> principals) throws RepositoryException {
ImmutableList.Builder<AccessControlPolicy> privs = ImmutableList.builder();
for (AccessControlManager acMgr : acMgrs) {
if (acMgr instanceof JackrabbitAccessControlManager) {
privs.add(((JackrabbitAccessControlManager) acMgr).getEffectivePolicies(principals));
}
}
List<AccessControlPolicy> l = privs.build();
return l.toArray(new AccessControlPolicy[l.size()]);
}
}
}