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

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dependency-check-core is the engine and reporting tool used to identify and report if there are any known, publicly disclosed vulnerabilities in the scanned project's dependencies. The engine extracts meta-data from the dependencies and uses this to do fuzzy key-word matching against the Common Platfrom Enumeration (CPE), if any CPE identifiers are found the associated Common Vulnerability and Exposure (CVE) entries are added to the generated report.

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/*
 * 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) 2013 Jeremy Long. All Rights Reserved.
 */
package org.owasp.dependencycheck.analyzer;

import javax.annotation.concurrent.ThreadSafe;
import org.owasp.dependencycheck.Engine;
import org.owasp.dependencycheck.analyzer.exception.AnalysisException;
import org.owasp.dependencycheck.dependency.Dependency;
import org.owasp.dependencycheck.utils.Settings;
import org.owasp.dependencycheck.xml.suppression.SuppressionRule;

/**
 * The suppression analyzer processes an externally defined XML document that
 * complies with the suppressions.xsd schema. Any identified Vulnerability
 * entries within the dependencies that match will be removed.
 *
 * @author Jeremy Long
 */
@ThreadSafe
public class VulnerabilitySuppressionAnalyzer extends AbstractSuppressionAnalyzer {

    /**
     * The name of the analyzer.
     */
    private static final String ANALYZER_NAME = "Vulnerability Suppression Analyzer";
    /**
     * The phase that this analyzer is intended to run in.
     */
    private static final AnalysisPhase ANALYSIS_PHASE = AnalysisPhase.POST_FINDING_ANALYSIS;

    /**
     * Returns the name of the analyzer.
     *
     * @return the name of the analyzer.
     */
    @Override
    public String getName() {
        return ANALYZER_NAME;
    }

    /**
     * Returns the phase that the analyzer is intended to run in.
     *
     * @return the phase that the analyzer is intended to run in.
     */
    @Override
    public AnalysisPhase getAnalysisPhase() {
        return ANALYSIS_PHASE;
    }

    /**
     * 
     * 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_VULNERABILITY_SUPPRESSION_ENABLED;
    }

    @Override
    public boolean filter(SuppressionRule rule) {
        return rule.hasCve() || rule.hasCvssBelow() || rule.hasCwe() || rule.hasVulnerabilityName();
    }

    @Override
    protected void analyzeDependency(Dependency dependency, Engine engine) throws AnalysisException {
        if (dependency.getVulnerabilitiesCount() > 0) {
            super.analyzeDependency(dependency, engine);
        }
    }
}