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/*
* 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.restriction;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.jcr.PropertyType;
import javax.jcr.RepositoryException;
import javax.jcr.Value;
import com.google.common.collect.Sets;
import org.apache.jackrabbit.oak.api.PropertyState;
import org.apache.jackrabbit.oak.api.Tree;
import org.apache.jackrabbit.oak.api.Type;
import org.apache.jackrabbit.oak.plugins.memory.PropertyStates;
import org.apache.jackrabbit.oak.spi.security.authorization.accesscontrol.AccessControlConstants;
import org.apache.jackrabbit.oak.spi.security.authorization.restriction.Restriction;
import org.apache.jackrabbit.oak.spi.security.authorization.restriction.RestrictionDefinition;
import org.apache.jackrabbit.oak.spi.security.authorization.restriction.RestrictionDefinitionImpl;
import org.apache.jackrabbit.oak.spi.security.authorization.restriction.RestrictionImpl;
import org.apache.jackrabbit.oak.spi.security.authorization.restriction.RestrictionPattern;
import org.apache.jackrabbit.oak.spi.security.authorization.restriction.RestrictionProvider;
/**
* Restriction provider implementation used for editing access control by
* principal. It wraps the configured base provider and adds a mandatory
* restriction definition with name {@link #REP_NODE_PATH} and type {@link Type#PATH PATH}
* which stores the path of the access controlled node to which a given
* access control entry will be applied.
*/
public class PrincipalRestrictionProvider implements RestrictionProvider, AccessControlConstants {
private final RestrictionProvider base;
public PrincipalRestrictionProvider(RestrictionProvider base) {
this.base = base;
}
@Nonnull
@Override
public Set getSupportedRestrictions(@Nullable String oakPath) {
Set definitions = new HashSet(base.getSupportedRestrictions(oakPath));
definitions.add(new RestrictionDefinitionImpl(REP_NODE_PATH, Type.PATH, true));
return definitions;
}
@Nonnull
@Override
public Restriction createRestriction(@Nullable String oakPath, @Nonnull String oakName, @Nonnull Value value) throws RepositoryException {
if (REP_NODE_PATH.equals(oakName) && PropertyType.PATH == value.getType()) {
return new RestrictionImpl(PropertyStates.createProperty(oakName, value), true);
} else {
return base.createRestriction(oakPath, oakName, value);
}
}
@Nonnull
@Override
public Restriction createRestriction(@Nullable String oakPath, @Nonnull String oakName, @Nonnull Value... values) throws RepositoryException {
return base.createRestriction(oakPath, oakName, values);
}
@Nonnull
@Override
public Set readRestrictions(@Nullable String oakPath, @Nonnull Tree aceTree) {
Set restrictions = new HashSet(base.readRestrictions(oakPath, aceTree));
String value = (oakPath == null) ? "" : oakPath;
PropertyState nodePathProp = PropertyStates.createProperty(REP_NODE_PATH, value, Type.PATH);
restrictions.add(new RestrictionImpl(nodePathProp, true));
return restrictions;
}
@Override
public void writeRestrictions(String oakPath, Tree aceTree, Set restrictions) throws RepositoryException {
Iterator it = Sets.newHashSet(restrictions).iterator();
while (it.hasNext()) {
Restriction r = it.next();
if (REP_NODE_PATH.equals(r.getDefinition().getName())) {
it.remove();
}
}
base.writeRestrictions(oakPath, aceTree, restrictions);
}
@Override
public void validateRestrictions(String oakPath, @Nonnull Tree aceTree) throws RepositoryException {
base.validateRestrictions(oakPath, aceTree);
}
@Nonnull
@Override
public RestrictionPattern getPattern(@Nullable String oakPath, @Nonnull Tree tree) {
return base.getPattern(oakPath, tree);
}
@Nonnull
@Override
public RestrictionPattern getPattern(@Nullable String oakPath, @Nonnull Set restrictions) {
return base.getPattern(oakPath, restrictions);
}
}