AggregateMojo.java
/*
* This file is part of dependency-check-maven.
*
* 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.maven;
import java.io.File;
import java.io.IOException;
import java.util.Collections;
import java.util.HashSet;
import java.util.Locale;
import java.util.Objects;
import java.util.Optional;
import java.util.Set;
import org.apache.maven.model.ConfigurationContainer;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.util.xml.Xpp3Dom;
import org.owasp.dependencycheck.Engine;
import org.owasp.dependencycheck.exception.ExceptionCollection;
/**
* Maven Plugin that checks project dependencies and the dependencies of all
* child modules to see if they have any known published vulnerabilities.
*
* @author Jeremy Long
*/
@Mojo(
name = "aggregate",
defaultPhase = LifecyclePhase.VERIFY,
aggregator = true,
threadSafe = true,
requiresDependencyResolution = ResolutionScope.COMPILE_PLUS_RUNTIME,
requiresOnline = true
)
public class AggregateMojo extends BaseDependencyCheckMojo {
/**
* The name of the report in the site.
*/
@SuppressWarnings("CanBeFinal")
@Parameter(property = "name", defaultValue = "dependency-check:aggregate", required = true)
private String name = "dependency-check:aggregate";
/**
* Scans the dependencies of the projects in aggregate.
*
* @param engine the engine used to perform the scanning
* @return a collection of exceptions
* @throws MojoExecutionException thrown if a fatal exception occurs
*/
@Override
protected ExceptionCollection scanDependencies(final Engine engine) throws MojoExecutionException {
ExceptionCollection exCol = scanArtifacts(getProject(), engine, true);
for (MavenProject childProject : getDescendants(this.getProject())) {
//TODO consider the following as to whether a child should be skipped per #2152
//childProject.getBuildPlugins().get(0).getExecutions().get(0).getConfiguration()
final ExceptionCollection ex = scanArtifacts(childProject, engine, true);
if (ex != null) {
if (exCol == null) {
exCol = ex;
} else {
exCol.getExceptions().addAll(ex.getExceptions());
}
if (ex.isFatal()) {
exCol.setFatal(true);
final String msg = String.format("Fatal exception(s) analyzing %s", childProject.getName());
if (this.isFailOnError()) {
throw new MojoExecutionException(msg, exCol);
}
getLog().error(msg);
if (getLog().isDebugEnabled()) {
getLog().debug(exCol);
}
}
}
}
return exCol;
}
/**
* Scans the plugins of the project.
*
* @param engine the engine used to perform the scanning
* @param exCollection the collection of exceptions that might have occurred
* previously
* @return a collection of exceptions
* @throws MojoExecutionException thrown if a fatal exception occurs
*/
@Override
protected ExceptionCollection scanPlugins(final Engine engine, final ExceptionCollection exCollection) throws MojoExecutionException {
ExceptionCollection exCol = scanPlugins(getProject(), engine, null);
for (MavenProject childProject : getDescendants(this.getProject())) {
exCol = scanPlugins(childProject, engine, exCol);
}
return exCol;
}
/**
* Returns a set containing all the descendant projects of the given
* project.
*
* @param project the project for which all descendants will be returned
* @return the set of descendant projects
*/
protected Set<MavenProject> getDescendants(MavenProject project) {
if (project == null) {
return Collections.emptySet();
}
final Set<MavenProject> descendants = new HashSet<>();
int size;
if (getLog().isDebugEnabled()) {
getLog().debug(String.format("Collecting descendants of %s", project.getName()));
}
for (String m : project.getModules()) {
for (MavenProject mod : getReactorProjects()) {
if (!isConfiguredToSkip(mod)) {
try {
File mpp = new File(project.getBasedir(), m);
mpp = mpp.getCanonicalFile();
if (mpp.compareTo(mod.getBasedir()) == 0 && descendants.add(mod)
&& getLog().isDebugEnabled()) {
getLog().debug(String.format("Descendant module %s added", mod.getName()));
}
} catch (IOException ex) {
if (getLog().isDebugEnabled()) {
getLog().debug("Unable to determine module path", ex);
}
}
}
}
}
do {
size = descendants.size();
for (MavenProject p : getReactorProjects()) {
if (!isConfiguredToSkip(p)) {
if (project.equals(p.getParent()) || descendants.contains(p.getParent())) {
if (descendants.add(p) && getLog().isDebugEnabled()) {
getLog().debug(String.format("Descendant %s added", p.getName()));
}
for (MavenProject modTest : getReactorProjects()) {
if (!isConfiguredToSkip(modTest)) {
if (p.getModules() != null && p.getModules().contains(modTest.getName())
&& descendants.add(modTest)
&& getLog().isDebugEnabled()) {
getLog().debug(String.format("Descendant %s added", modTest.getName()));
}
}
}
}
final Set<MavenProject> addedDescendants = new HashSet<>();
for (MavenProject dec : descendants) {
if (!isConfiguredToSkip(dec)) {
for (String mod : dec.getModules()) {
try {
File mpp = new File(dec.getBasedir(), mod);
mpp = mpp.getCanonicalFile();
if (mpp.compareTo(p.getBasedir()) == 0) {
addedDescendants.add(p);
}
} catch (IOException ex) {
if (getLog().isDebugEnabled()) {
getLog().debug("Unable to determine module path", ex);
}
}
}
}
}
for (MavenProject addedDescendant : addedDescendants) {
if (!isConfiguredToSkip(addedDescendant)) {
if (descendants.add(addedDescendant) && getLog().isDebugEnabled()) {
getLog().debug(String.format("Descendant module %s added", addedDescendant.getName()));
}
}
}
}
}
} while (size != 0 && size != descendants.size());
if (getLog().isDebugEnabled()) {
getLog().debug(String.format("%s has %d children", project, descendants.size()));
}
return descendants;
}
/**
* Checks the ODC configuration in the child project to see if should be
* skipped.
*
* @param mavenProject the maven project to check
* @return <code>true</code> if the project is configured to skip ODC;
* otherwise <code>false</code>
*/
protected boolean isConfiguredToSkip(MavenProject mavenProject) {
final Optional<String> value = mavenProject.getBuildPlugins().stream()
.filter(f -> "org.owasp:dependency-check-maven".equals(f.getKey()))
.map(ConfigurationContainer::getConfiguration)
.filter(c -> c != null && c instanceof Xpp3Dom)
.map(c -> (Xpp3Dom) c)
.map(c -> c.getChild("skip"))
.filter(Objects::nonNull)
.map(Xpp3Dom::getValue)
.findFirst();
final String property = mavenProject.getProperties().getProperty("dependency-check.skip");
final boolean skip = (value.isPresent() && "true".equalsIgnoreCase(value.get())) || "true".equalsIgnoreCase(property);
if (skip) {
getLog().debug("Aggregation skipping " + mavenProject.getId());
}
return skip;
}
/**
* Test if the project has pom packaging
*
* @param mavenProject Project to test
* @return <code>true</code> if it has a pom packaging; otherwise
* <code>false</code>
*/
protected boolean isMultiModule(MavenProject mavenProject) {
return "pom".equals(mavenProject.getPackaging());
}
@Override
public boolean canGenerateReport() {
return true; //aggregate always returns true for now - we can look at a more complicated/accurate solution later
}
/**
* Returns the report name.
*
* @param locale the location
* @return the report name
*/
@Override
public String getName(Locale locale) {
return name;
}
/**
* Gets the description of the Dependency-Check report to be displayed in
* the Maven Generated Reports page.
*
* @param locale The Locale to get the description for
* @return the description
*/
@Override
public String getDescription(Locale locale) {
return "Generates an aggregate report of all child Maven projects providing details on any "
+ "published vulnerabilities within project dependencies. This report is a best "
+ "effort and may contain false positives and false negatives.";
}
}