Checkin of the NexusAnalyzer and its tests

Former-commit-id: d9c29602efeaf923feb941ec38c8fc704eb99c11

dependency-check-core/src/main/java/org/owasp/dependencycheck/data/nexus/MavenArtifact.java

@@ -0,0 +1,154 @@
+/*
+ * This file is part of dependency-check-core.
+ *
+ * Dependency-check-core is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option) any
+ * later version.
+ *
+ * Dependency-check-core is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * dependency-check-core. If not, see http://www.gnu.org/licenses/.
+ *
+ * Copyright (c) 2012 Jeremy Long. All Rights Reserved.
+ */
+package org.owasp.dependencycheck.data.nexus;
+
+/**
+ * Simple bean representing a Maven Artifact.
+ *
+ * @author colezlaw
+ */
+public class MavenArtifact {
+    /**
+     * The groupId
+     */
+    private String groupId;
+
+    /**
+     * The artifactId
+     */
+    private String artifactId;
+
+    /**
+     * The version
+     */
+    private String version;
+
+    /**
+     * The artifact url. This may change depending on which Nexus
+     * server the search took place.
+     */
+    private String artifactUrl;
+
+
+    /**
+     * Creates an empty MavenArtifact.
+     */
+    public MavenArtifact() {
+    }
+
+    /**
+     * Creates a MavenArtifact with the given attributes.
+     *
+     * @param groupId the groupId
+     * @param artifactId the artifactId
+     * @param version the version
+     */
+    public MavenArtifact(String groupId, String artifactId, String version) {
+        setGroupId(groupId);
+        setArtifactId(artifactId);
+        setVersion(version);
+    }
+
+    /**
+     * Creates a MavenArtifact with the given attributes.
+     *
+     * @param groupId the groupId
+     * @param artifactId the artifactId
+     * @param version the version
+     * @param url the artifactLink url
+     */
+    public MavenArtifact(String groupId, String artifactId, String version, String url) {
+        setGroupId(groupId);
+        setArtifactId(artifactId);
+        setVersion(version);
+        setArtifactUrl(url);
+    }
+
+    /**
+     * Returns the Artifact coordinates as a String.
+     *
+     * @return the String representation of the artifact coordinates
+     */
+    @Override
+    public String toString() {
+        return String.format("%s:%s:%s", groupId, artifactId, version);
+    }
+
+    /**
+     * Sets the groupId.
+     *
+     * @param groupId the groupId
+     */
+    public void setGroupId(String groupId) { this.groupId = groupId; }
+
+    /**
+     * Gets the groupId.
+     *
+     * @return the groupId
+     */
+    public String getGroupId() { return groupId; }
+
+    /**
+     * Sets the artifactId.
+     *
+     * @param artifactId the artifactId
+     */
+    public void setArtifactId(String artifactId) { this.artifactId = artifactId; }
+
+    /**
+     * Gets the artifactId.
+     *
+     * @return the artifactId
+     */
+    public String getArtifactId() { return artifactId; }
+
+    /**
+     * Sets the version.
+     *
+     * @param version the version
+     */
+    public void setVersion(String version) { this.version = version; }
+
+    /**
+     * Gets the version.
+     *
+     * @return the version
+     */
+    public String getVersion() { return version; }
+
+    /**
+     * Sets the artifactUrl.
+     *
+     * @param artifactUrl the artifactUrl
+     */
+    public void setArtifactUrl(String artifactUrl) {
+        this.artifactUrl = artifactUrl;
+    }
+
+    /**
+     * Gets the artifactUrl.
+     *
+     * @return the artifactUrl
+     */
+    public String getArtifactUrl() {
+        return artifactUrl;
+    }
+}
+
+// vim: cc=120:sw=4:ts=4:sts=4

dependency-check-core/src/main/java/org/owasp/dependencycheck/data/nexus/NexusSearch.java

@@ -0,0 +1,105 @@
+/*
+ * This file is part of dependency-check-core.
+ *
+ * Dependency-check-core is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option) any
+ * later version.
+ *
+ * Dependency-check-core is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * dependency-check-core. If not, see http://www.gnu.org/licenses/.
+ *
+ * Copyright (c) 2012 Jeremy Long. All Rights Reserved.
+ */
+package org.owasp.dependencycheck.data.nexus;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.logging.Logger;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathFactory;
+import org.w3c.dom.Document;
+
+/**
+ * Class of methods to search Nexus repositories.
+ *
+ * @author colezlaw
+ */
+public class NexusSearch {
+    /**
+     * The root URL for the Nexus repository service
+     */
+    private final URL rootURL;
+
+    /**
+     * Used for logging.
+     */
+    private static final Logger LOGGER = Logger.getLogger(NexusSearch.class.getName());
+
+    /**
+     * Creates a NexusSearch for the given repository URL.
+     *
+     * @param rootURL the root URL of the repository on which searches should execute.
+     *        full URL's are calculated relative to this URL, so it should end with a /
+     */
+    public NexusSearch(URL rootURL) {
+        this.rootURL = rootURL;
+    }
+
+    /**
+     * Searches the configured Nexus repository for the given sha1
+     * hash. If the artifact is found, a <code>MavenArtifact</code> is populated
+     * with the coordinate information.
+     *
+     * @param sha1 The SHA-1 hash string for which to search
+     * @return the populated Maven coordinates
+     * @throws IOException if it's unable to connect to the specified repositor or
+     *         if the specified artifact is not found.
+     */
+    public MavenArtifact searchSha1(String sha1) throws IOException {
+        if (null == sha1 || !sha1.matches("^[0-9A-Fa-f]{40}$")) {
+            throw new IllegalArgumentException("Invalid SHA1 format");
+        }
+
+        final URL url = new URL(rootURL, String.format("identify/sha1/%s", sha1.toLowerCase()));
+
+        LOGGER.fine(String.format("Searching Nexus url %s", url.toString()));
+
+        final URLConnection conn = url.openConnection();
+        conn.setDoOutput(true);
+
+        // JSON would be more elegant, but there's not currently a dependency
+        // on JSON, so don't want to add one just for this
+        conn.addRequestProperty("Accept", "application/xml");
+        conn.connect();
+
+        try {
+            final DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
+            final Document doc = builder.parse(conn.getInputStream());
+            final XPath xpath = XPathFactory.newInstance().newXPath();
+            final String groupId = xpath.evaluate("/org.sonatype.nexus.rest.model.NexusArtifact/groupId", doc);
+            final String artifactId = xpath.evaluate("/org.sonatype.nexus.rest.model.NexusArtifact/artifactId", doc);
+            final String version = xpath.evaluate("/org.sonatype.nexus.rest.model.NexusArtifact/version", doc);
+            final String link = xpath.evaluate("/org.sonatype.nexus.rest.model.NexusArtifact/artifactLink", doc);
+            return new MavenArtifact(groupId, artifactId, version, link);
+        } catch (FileNotFoundException fnfe) {
+            // This is what we get when the SHA1 they sent doesn't exist in Nexus. This
+            // is useful upstream for recovery, so we just re-throw it
+            throw fnfe;
+        } catch (Exception e) {
+            // Anything else is jacked-up XML stuff that we really can't recover from well
+            throw new IOException(e.getMessage(), e);
+        }
+    }
+}
+
+// vim: cc=120:sw=4:ts=4:sts=4

dependency-check-core/src/main/java/org/owasp/dependencycheck/data/nexus/package-info.java

@@ -0,0 +1,12 @@
+/**
+ * <html>
+ * <head>
+ * <title>org.owasp.dependencycheck.data.nexus</title>
+ * </head>
+ * <body>
+ * <p>Contains classes related to searching a Nexus repository.</p>
+ * <p>These are used to abstract Nexus searching away from
+ * OWASP Dependency Check so they can be reused elsewhere.</p>
+ * </body>
+ * </html>
+ */

dependency-check-core/src/main/resources/META-INF/services/org.owasp.dependencycheck.analyzer.Analyzer

@@ -8,3 +8,4 @@ org.owasp.dependencycheck.analyzer.CpeSuppressionAnalyzer
 org.owasp.dependencycheck.analyzer.DependencyBundlingAnalyzer
 org.owasp.dependencycheck.analyzer.NvdCveAnalyzer
 org.owasp.dependencycheck.analyzer.VulnerabilitySuppressionAnalyzer
+org.owasp.dependencycheck.analyzer.NexusAnalyzer

dependency-check-core/src/main/resources/dependencycheck.properties

@@ -46,3 +46,8 @@ cve.url-2.0.modified=http://static.nvd.nist.gov/feeds/xml/cve/nvdcve-2.0-modifie
 cve.startyear=2002
 cve.url-2.0.base=http://static.nvd.nist.gov/feeds/xml/cve/nvdcve-2.0-%d.xml
 cve.url-1.2.base=http://nvd.nist.gov/download/nvdcve-%d.xml
+
+# the URL for searching Nexus for SHA-1 hashes and whether it's enabled
+analyzer.nexus.enabled=true
+analyzer.nexus.url=http://repository.sonatype.org/service/local/
+

dependency-check-core/src/test/resources/dependencycheck.properties

@@ -46,3 +46,7 @@ cve.url-2.0.modified=http://static.nvd.nist.gov/feeds/xml/cve/nvdcve-2.0-modifie
 cve.startyear=2013
 cve.url-2.0.base=http://static.nvd.nist.gov/feeds/xml/cve/nvdcve-2.0-%d.xml
 cve.url-1.2.base=http://nvd.nist.gov/download/nvdcve-%d.xml
+
+# the URL for searching Nexus for SHA-1 hashes and whether it's enabled
+analyzer.nexus.enabled=false
+analyzer.nexus.url=http://repository.sonatype.org/service/local/