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• NvdCveAnalyzer.java

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org.owasp.dependencycheck.analyzer.NvdCveAnalyzer Maven / Gradle / Ivy

/*
 * This file is part of dependency-check-core.
 *
 * Licensed 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.
 *
 * Copyright (c) 2012 Jeremy Long. All Rights Reserved.
 */
package org.owasp.dependencycheck.analyzer;

import java.util.List;
import javax.annotation.concurrent.ThreadSafe;

import org.owasp.dependencycheck.Engine;
import org.owasp.dependencycheck.analyzer.exception.AnalysisException;
import org.owasp.dependencycheck.analyzer.exception.LambdaExceptionWrapper;
import org.owasp.dependencycheck.data.nvdcve.CveDB;
import org.owasp.dependencycheck.data.nvdcve.DatabaseException;
import org.owasp.dependencycheck.dependency.Dependency;
import org.owasp.dependencycheck.dependency.Vulnerability;
import org.owasp.dependencycheck.dependency.naming.CpeIdentifier;
import org.owasp.dependencycheck.utils.Settings;

/**
 * NvdCveAnalyzer is a utility class that takes a project dependency and
 * attempts to discern if there is an associated CVEs. It uses the the
 * identifiers found by other analyzers to lookup the CVE data.
 *
 * @author Jeremy Long
 */
@ThreadSafe
public class NvdCveAnalyzer extends AbstractAnalyzer {

    /**
     * Analyzes a dependency and attempts to determine if there are any CPE
     * identifiers for this dependency.
     *
     * @param dependency The Dependency to analyze
     * @param engine     The analysis engine
     * @throws AnalysisException thrown if there is an issue analyzing the
     *                           dependency
     */
    @Override
    protected void analyzeDependency(Dependency dependency, Engine engine) throws AnalysisException {
        final CveDB cveDB = engine.getDatabase();
        try {
            dependency.getVulnerableSoftwareIdentifiers().stream()
                    .filter((i) -> (i instanceof CpeIdentifier))
                    .map(i -> (CpeIdentifier) i)
                    .forEach(i -> {
                        try {
                            final List vulns = cveDB.getVulnerabilities(i.getCpe());
                            dependency.addVulnerabilities(vulns);
                        } catch (DatabaseException ex) {
                            throw new LambdaExceptionWrapper(new AnalysisException(ex));
                        }
                    });
            dependency.getSuppressedIdentifiers().stream()
                    .filter((i) -> (i instanceof CpeIdentifier))
                    .map(i -> (CpeIdentifier) i)
                    .forEach(i -> {
                        try {
                            final List vulns = cveDB.getVulnerabilities(i.getCpe());
                            dependency.addSuppressedVulnerabilities(vulns);
                        } catch (DatabaseException ex) {
                            throw new LambdaExceptionWrapper(new AnalysisException(ex));
                        }
                    });
        } catch (LambdaExceptionWrapper ex) {
            throw (AnalysisException) ex.getCause();
        }
    }

    /**
     * Returns the name of this analyzer.
     *
     * @return the name of this analyzer.
     */
    @Override
    public String getName() {
        return "NVD CVE Analyzer";
    }

    /**
     * Returns the analysis phase that this analyzer should run in.
     *
     * @return the analysis phase that this analyzer should run in.
     */
    @Override
    public AnalysisPhase getAnalysisPhase() {
        return AnalysisPhase.FINDING_ANALYSIS;
    }

    /**
     * 

     * Returns the setting key to determine if the analyzer is enabled.
     *
     * @return the key for the analyzer's enabled property
     */
    @Override
    protected String getAnalyzerEnabledSettingKey() {
        return Settings.KEYS.ANALYZER_NVD_CVE_ENABLED;
    }
}