Coverage Report - org.owasp.dependencycheck.analyzer.FileNameAnalyzer
 
Classes in this File Line Coverage Branch Coverage Complexity
FileNameAnalyzer
90%
19/21
62%
5/8
2
 
 1  
 /*
 2  
  * This file is part of dependency-check-core.
 3  
  *
 4  
  * Licensed under the Apache License, Version 2.0 (the "License");
 5  
  * you may not use this file except in compliance with the License.
 6  
  * You may obtain a copy of the License at
 7  
  *
 8  
  *     http://www.apache.org/licenses/LICENSE-2.0
 9  
  *
 10  
  * Unless required by applicable law or agreed to in writing, software
 11  
  * distributed under the License is distributed on an "AS IS" BASIS,
 12  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13  
  * See the License for the specific language governing permissions and
 14  
  * limitations under the License.
 15  
  *
 16  
  * Copyright (c) 2012 Jeremy Long. All Rights Reserved.
 17  
  */
 18  
 package org.owasp.dependencycheck.analyzer;
 19  
 
 20  
 import java.io.File;
 21  
 
 22  
 import org.apache.commons.io.FilenameUtils;
 23  
 import org.apache.commons.io.filefilter.NameFileFilter;
 24  
 import org.owasp.dependencycheck.Engine;
 25  
 import org.owasp.dependencycheck.analyzer.exception.AnalysisException;
 26  
 import org.owasp.dependencycheck.dependency.Confidence;
 27  
 import org.owasp.dependencycheck.dependency.Dependency;
 28  
 import org.owasp.dependencycheck.utils.DependencyVersion;
 29  
 import org.owasp.dependencycheck.utils.DependencyVersionUtil;
 30  
 import org.owasp.dependencycheck.utils.Settings;
 31  
 
 32  
 /**
 33  
  *
 34  
  * Takes a dependency and analyzes the filename and determines the hashes.
 35  
  *
 36  
  * @author Jeremy Long
 37  
  */
 38  13
 public class FileNameAnalyzer extends AbstractAnalyzer {
 39  
 
 40  
     //<editor-fold defaultstate="collapsed" desc="All standard implementation details of Analyzer">
 41  
     /**
 42  
      * The name of the analyzer.
 43  
      */
 44  
     private static final String ANALYZER_NAME = "File Name Analyzer";
 45  
     /**
 46  
      * The phase that this analyzer is intended to run in.
 47  
      */
 48  1
     private static final AnalysisPhase ANALYSIS_PHASE = AnalysisPhase.INFORMATION_COLLECTION;
 49  
 
 50  
     /**
 51  
      * Returns the name of the analyzer.
 52  
      *
 53  
      * @return the name of the analyzer.
 54  
      */
 55  
     @Override
 56  
     public String getName() {
 57  26
         return ANALYZER_NAME;
 58  
     }
 59  
 
 60  
     /**
 61  
      * Returns the phase that the analyzer is intended to run in.
 62  
      *
 63  
      * @return the phase that the analyzer is intended to run in.
 64  
      */
 65  
     @Override
 66  
     public AnalysisPhase getAnalysisPhase() {
 67  7
         return ANALYSIS_PHASE;
 68  
     }
 69  
     /**
 70  
      * <p>
 71  
      * Returns the setting key to determine if the analyzer is enabled.</p>
 72  
      *
 73  
      * @return the key for the analyzer's enabled property
 74  
      */
 75  
     @Override
 76  
     protected String getAnalyzerEnabledSettingKey() {
 77  3
         return Settings.KEYS.ANALYZER_FILE_NAME_ENABLED;
 78  
     }
 79  
     //</editor-fold>
 80  
 
 81  
     /**
 82  
      * Python init files
 83  
      */
 84  
     //CSOFF: WhitespaceAfter
 85  1
     private static final NameFileFilter IGNORED_FILES = new NameFileFilter(new String[]{
 86  
         "__init__.py",
 87  
         "__init__.pyc",
 88  
         "__init__.pyo",});
 89  
     //CSON: WhitespaceAfter
 90  
 
 91  
     /**
 92  
      * Collects information about the file name.
 93  
      *
 94  
      * @param dependency the dependency to analyze.
 95  
      * @param engine the engine that is scanning the dependencies
 96  
      * @throws AnalysisException is thrown if there is an error reading the JAR
 97  
      * file.
 98  
      */
 99  
     @Override
 100  
     protected void analyzeDependency(Dependency dependency, Engine engine) throws AnalysisException {
 101  
 
 102  
         //strip any path information that may get added by ArchiveAnalyzer, etc.
 103  6
         final File f = dependency.getActualFile();
 104  6
         final String fileName = FilenameUtils.removeExtension(f.getName());
 105  
 
 106  
         //add version evidence
 107  5
         final DependencyVersion version = DependencyVersionUtil.parseVersion(fileName);
 108  6
         final String packageName = DependencyVersionUtil.parsePreVersion(fileName);
 109  6
         if (version != null) {
 110  
             // If the version number is just a number like 2 or 23, reduce the confidence
 111  
             // a shade. This should hopefully correct for cases like log4j.jar or
 112  
             // struts2-core.jar
 113  4
             if (version.getVersionParts() == null || version.getVersionParts().size() < 2) {
 114  0
                 dependency.getVersionEvidence().addEvidence("file", "version",
 115  0
                         version.toString(), Confidence.MEDIUM);
 116  
             } else {
 117  8
                 dependency.getVersionEvidence().addEvidence("file", "version",
 118  5
                         version.toString(), Confidence.HIGHEST);
 119  
             }
 120  5
             dependency.getVersionEvidence().addEvidence("file", "name",
 121  
                     packageName, Confidence.MEDIUM);
 122  
         }
 123  
 
 124  6
         if (!IGNORED_FILES.accept(f)) {
 125  5
             dependency.getProductEvidence().addEvidence("file", "name",
 126  
                     packageName, Confidence.HIGH);
 127  6
             dependency.getVendorEvidence().addEvidence("file", "name",
 128  
                     packageName, Confidence.HIGH);
 129  
         }
 130  6
     }
 131  
 }