| /* |
| * 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.lucene.index; |
| |
| |
| import java.io.FilePermission; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.PropertyPermission; |
| |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.analysis.MockAnalyzer; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.search.IndexSearcher; |
| import org.apache.lucene.search.PhraseQuery; |
| import org.apache.lucene.search.Query; |
| import org.apache.lucene.search.TermQuery; |
| import org.apache.lucene.search.TopDocs; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.store.FSDirectory; |
| import org.apache.lucene.util.LuceneTestCase; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| |
| public class TestReadOnlyIndex extends LuceneTestCase { |
| |
| private static final String longTerm = "longtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongterm"; |
| private static final String text = "This is the text to be indexed. " + longTerm; |
| |
| private static Path indexPath; |
| |
| @BeforeClass |
| public static void buildIndex() throws Exception { |
| indexPath = Files.createTempDirectory("readonlyindex").toAbsolutePath(); |
| |
| // borrows from TestDemo, but not important to keep in sync with demo |
| Analyzer analyzer = new MockAnalyzer(random()); |
| Directory directory = newFSDirectory(indexPath); |
| RandomIndexWriter iwriter = new RandomIndexWriter(random(), directory, analyzer); |
| Document doc = new Document(); |
| doc.add(newTextField("fieldname", text, Field.Store.YES)); |
| iwriter.addDocument(doc); |
| iwriter.close(); |
| directory.close(); |
| analyzer.close(); |
| } |
| |
| @AfterClass |
| public static void afterClass() throws Exception { |
| indexPath = null; |
| } |
| |
| public void testReadOnlyIndex() throws Exception { |
| runWithRestrictedPermissions(this::doTestReadOnlyIndex, |
| // add some basic permissions (because we are limited already - so we grant all important ones): |
| new RuntimePermission("*"), |
| new PropertyPermission("*", "read"), |
| // only allow read to the given index dir, nothing else: |
| new FilePermission(indexPath.toString(), "read"), |
| new FilePermission(indexPath.resolve("-").toString(), "read") |
| ); |
| } |
| |
| private Void doTestReadOnlyIndex() throws Exception { |
| Directory dir = FSDirectory.open(indexPath); |
| IndexReader ireader = DirectoryReader.open(dir); |
| IndexSearcher isearcher = newSearcher(ireader); |
| |
| // borrows from TestDemo, but not important to keep in sync with demo |
| |
| assertEquals(1, isearcher.count(new TermQuery(new Term("fieldname", longTerm)))); |
| Query query = new TermQuery(new Term("fieldname", "text")); |
| TopDocs hits = isearcher.search(query, 1); |
| assertEquals(1, hits.totalHits.value); |
| // Iterate through the results: |
| for (int i = 0; i < hits.scoreDocs.length; i++) { |
| Document hitDoc = isearcher.doc(hits.scoreDocs[i].doc); |
| assertEquals(text, hitDoc.get("fieldname")); |
| } |
| |
| // Test simple phrase query |
| PhraseQuery phraseQuery = new PhraseQuery("fieldname", "to", "be"); |
| assertEquals(1, isearcher.count(phraseQuery)); |
| |
| ireader.close(); |
| return null; // void |
| } |
| |
| } |