/**
* 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.blur.lucene.security.index;
import java.io.IOException;
import java.util.Collection;
import java.util.Set;
import org.apache.lucene.index.AtomicReader;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.FilterDirectoryReader;
public class SecureDirectoryReader extends FilterDirectoryReader {
public static SecureDirectoryReader create(AccessControlFactory accessControlFactory, DirectoryReader in,
Collection<String> readAuthorizations, Collection<String> discoverAuthorizations, Set<String> discoverableFields, String defaultReadMaskMessage)
throws IOException {
AccessControlReader accessControlReader = accessControlFactory.getReader(readAuthorizations,
discoverAuthorizations, discoverableFields, defaultReadMaskMessage);
return new SecureDirectoryReader(in, accessControlReader);
}
private final DirectoryReader _original;
public SecureDirectoryReader(DirectoryReader in, final AccessControlReader accessControlReader) {
super(in, new SubReaderWrapper() {
@Override
public AtomicReader wrap(AtomicReader reader) {
try {
return new SecureAtomicReader(reader, accessControlReader);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
});
_original = in;
}
public DirectoryReader getOriginal() {
return _original;
}
@Override
protected DirectoryReader doWrapDirectoryReader(DirectoryReader in) {
if (in instanceof SecureDirectoryReader) {
return in;
}
throw new RuntimeException("Not allowed.");
}
}