/*
* 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.security.authorization;
import java.security.AccessController;
import java.security.Principal;
import java.util.Set;
import javax.annotation.Nonnull;
import javax.security.auth.Subject;
import org.apache.jackrabbit.oak.core.ReadOnlyTree;
import org.apache.jackrabbit.oak.spi.commit.Validator;
import org.apache.jackrabbit.oak.spi.commit.ValidatorProvider;
import org.apache.jackrabbit.oak.spi.security.authorization.AccessControlContext;
import org.apache.jackrabbit.oak.spi.state.NodeState;
import org.apache.jackrabbit.oak.util.NodeUtil;
import com.google.common.collect.ImmutableSet;
/**
* PermissionValidatorProvider... TODO
*/
public class PermissionValidatorProvider implements ValidatorProvider {
@Nonnull
@Override
public Validator getRootValidator(NodeState before, NodeState after) {
Set<Principal> principals = ImmutableSet.of();
Subject subject = Subject.getSubject(AccessController.getContext());
if (subject != null) {
principals = subject.getPrincipals();
}
AccessControlContext context = new AccessControlContextImpl();
context.initialize(principals);
NodeUtil rootBefore = new NodeUtil(new ReadOnlyTree(before));
NodeUtil rootAfter = new NodeUtil(new ReadOnlyTree(after));
return new PermissionValidator(context.getPermissions(), rootBefore, rootAfter);
}
}