org.apache.jackrabbit.oak.security.authorization.restriction.GlobsPattern Maven / Gradle / Ivy
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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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jackrabbit.oak.security.authorization.restriction;
import org.apache.jackrabbit.guava.common.collect.Iterables;
import org.apache.jackrabbit.oak.api.PropertyState;
import org.apache.jackrabbit.oak.api.Tree;
import org.apache.jackrabbit.oak.commons.PathUtils;
import org.apache.jackrabbit.oak.spi.security.authorization.restriction.RestrictionPattern;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.Arrays;
/**
* Multi-valued variant of the {@link GlobPattern} that will match a given path (or tree/property) if any of the
* contained patterns matches. This is equivalent to creating multiple access control entries with a single rep:glob
* restrictions each.
*
* NOTE: An empty value array will not match any path/item
* NOTE: Currently the pattern keeps a list of {@link GlobPattern} and doesn't attempt to optimize the evaluation.
*
* @see GlobPattern GlobPattern for details
*/
class GlobsPattern implements RestrictionPattern {
private final GlobPattern[] patterns;
GlobsPattern(@NotNull String path, @NotNull Iterable restrictions) {
ArrayList l = new ArrayList<>(Iterables.size(restrictions));
restrictions.forEach(restriction -> {
if (restriction != null) {
l.add(GlobPattern.create(path, restriction));
}
});
patterns = l.toArray(new GlobPattern[0]);
}
@Override
public boolean matches(@NotNull Tree tree, @Nullable PropertyState property) {
String itemPath = (property == null) ? tree.getPath() : PathUtils.concat(tree.getPath(), property.getName());
return matches(itemPath);
}
@Override
public boolean matches(@NotNull String path) {
for (GlobPattern gp : patterns) {
if (gp.matches(path)) {
return true;
}
}
return false;
}
@Override
public boolean matches() {
return false;
}
@Override
public int hashCode() {
return Arrays.hashCode(patterns);
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj instanceof GlobsPattern) {
GlobsPattern other = (GlobsPattern) obj;
return Arrays.equals(patterns, other.patterns);
}
return false;
}
}