Autopsy  4.19.3
Graphical digital forensics platform for The Sleuth Kit and other tools.
IndexFinder.java
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1 /*
2  * Autopsy Forensic Browser
3  *
4  * Copyright 2011-2017 Basis Technology Corp.
5  * Contact: carrier <at> sleuthkit <dot> org
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  * http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  */
19 package org.sleuthkit.autopsy.keywordsearch;
20 
21 import java.io.File;
22 import java.nio.file.Paths;
23 import java.util.List;
24 import org.apache.commons.lang.math.NumberUtils;
27 
31 class IndexFinder {
32 
33  private static final String KWS_OUTPUT_FOLDER_NAME = "keywordsearch";
34  private static final String KWS_DATA_FOLDER_NAME = "data";
35  private static final String INDEX_FOLDER_NAME = "index";
36  private static final String CURRENT_SOLR_VERSION = "8";
37  private static final int CURRENT_SOLR_VERSION_INT = 8;
38  private static final String CURRENT_SOLR_SCHEMA_VERSION = "2.3";
39 
40  static String getCurrentSolrVersion() {
41  return CURRENT_SOLR_VERSION;
42  }
43 
44  static String getCurrentSchemaVersion() {
45  return CURRENT_SOLR_SCHEMA_VERSION;
46  }
47 
48  static Index findLatestVersionIndex(List<Index> allIndexes) {
49  for (Index index : allIndexes) {
50  if (index.getSolrVersion().equals(CURRENT_SOLR_VERSION) && index.getSchemaVersion().equals(CURRENT_SOLR_SCHEMA_VERSION)) {
51  return index;
52  }
53  }
54  return null;
55  }
56 
57  static Index createLatestVersionIndex(Case theCase) throws AutopsyService.AutopsyServiceException {
58  String indexFolderName = "solr" + CURRENT_SOLR_VERSION + "_schema" + CURRENT_SOLR_SCHEMA_VERSION;
59  // new index should be stored in "\ModuleOutput\keywordsearch\data\solrX_schemaY\index"
60  File targetDirPath = Paths.get(theCase.getModuleDirectory(), KWS_OUTPUT_FOLDER_NAME, KWS_DATA_FOLDER_NAME, indexFolderName, INDEX_FOLDER_NAME).toFile(); //NON-NLS
61  return new Index(targetDirPath.getAbsolutePath(), CURRENT_SOLR_VERSION, CURRENT_SOLR_SCHEMA_VERSION, "", theCase.getName());
62  }
63 
64  static Index identifyIndexToUse(List<Index> allIndexes) {
65  /*
66  * NOTE: All of the following paths are valid multi-user index paths:
67  * (Solr 4, schema 1.8)
68  * X:\Case\ingest1\ModuleOutput\keywordsearch\data\index
69  * X:\Case\ingest4\ModuleOutput\keywordsearch\data\solr6_schema2.0\index
70  * X:\Case\ingest4\ModuleOutput\keywordsearch\data\solr6_schema1.8\index
71  * X:\Case\ingest4\ModuleOutput\keywordsearch\data\solr7_schema2.0\index
72  */
73  Index bestCandidateIndex = null;
74  double solrVerFound = 0.0;
75  double schemaVerFound = 0.0;
76  for (Index index : allIndexes) {
77  if (NumberUtils.toDouble(index.getSolrVersion()) > CURRENT_SOLR_VERSION_INT) {
78  // "legacy" Solr server cannot open "future" versions of Solr indexes
79  continue;
80  }
81  // higher Solr version takes priority because it may negate index upgrade
82  if (NumberUtils.toDouble(index.getSolrVersion()) >= solrVerFound) {
83  // if same solr version, pick the one with highest schema version
84  if (NumberUtils.toDouble(index.getSchemaVersion()) >= schemaVerFound) {
85  bestCandidateIndex = index;
86  solrVerFound = NumberUtils.toDouble(index.getSolrVersion());
87  schemaVerFound = NumberUtils.toDouble(index.getSchemaVersion());
88  }
89  }
90  }
91  return bestCandidateIndex;
92  }
93 
103  static String isFutureIndexPresent(List<Index> allIndexes) {
104  for (Index index : allIndexes) {
105  if (NumberUtils.toDouble(index.getSolrVersion()) > CURRENT_SOLR_VERSION_INT) {
106  // "legacy" Solr server cannot open "future" versions of Solr indexes
107  return index.getSolrVersion();
108  }
109  }
110  return "";
111  }
112 }

Copyright © 2012-2022 Basis Technology. Generated on: Tue Sep 27 2022
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