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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common
* Development and Distribution License("CDDL") (collectively, the
* "License"). You may not use this file except in compliance with the
* License. You can obtain a copy of the License at
* http://www.netbeans.org/cddl-gplv2.html
* or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
* specific language governing permissions and limitations under the
* License. When distributing the software, include this License Header
* Notice in each file and include the License file at
* nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the
* License Header, with the fields enclosed by brackets [] replaced by
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*
* Contributor(s):
*
* The Original Software is NetBeans. The Initial Developer of the Original
* Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
* Microsystems, Inc. All Rights Reserved.
*
* If you wish your version of this file to be governed by only the CDDL
* or only the GPL Version 2, indicate your decision by adding
* "[Contributor] elects to include this software in this distribution
* under the [CDDL or GPL Version 2] license." If you do not indicate a
* single choice of license, a recipient has the option to distribute
* your version of this file under either the CDDL, the GPL Version 2 or
* to extend the choice of license to its licensees as provided above.
* However, if you add GPL Version 2 code and therefore, elected the GPL
* Version 2 license, then the option applies only if the new code is
* made subject to such option by the copyright holder.
*/
package org.netbeans.nbbuild;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.security.cert.Certificate;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Enumeration;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.DirectoryScanner;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.types.FileSet;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.EntityResolver;
import org.xml.sax.ErrorHandler;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
/**
* Validates the syntax and semantics of one or more JNLP files.
* Any other JNLP fragments referred to recursively from these files will be validated as well.
* JNLP files must specify a document type, normally:
* <!DOCTYPE jnlp PUBLIC "-//Sun Microsystems, Inc//DTD JNLP Descriptor 6.0//EN" "http://java.sun.com/dtd/JNLP-6.0.dtd">
* The codebase specified in the file is used as is if a file: URL;
* if $$codebase, it is taken to be the immediately containing directory, to match the behavior of JnlpDownloadServlet;
* if a remote URL, it is also taken to be the immediately containing directory,
* since otherwise it would be impossible to validate files which were generated with intent to upload to a server.
* See issue #96630.
*/
public class VerifyJnlp2 extends Task {
private List filesets = new ArrayList();
/**
* Add one or more JNLP files to validate.
* Use <fileset file="..."/> if you have just one.
* Fragments referred to from higher JNLP files are checked automatically and do not need to be specified.
*/
public void addConfiguredFileset(FileSet fs) {
filesets.add(fs);
}
private File report;
/**
* JUnit report file to create rather than halting build if errors are encountered.
*/
public void setReport(File report) {
this.report = report;
}
private boolean failOnError = true;
/**
* Whether to halt the build if there is a verification error. Default true.
*/
public void setFailOnError(boolean failOnError) {
this.failOnError = failOnError;
}
public @Override void execute() throws BuildException {
Map results = new LinkedHashMap();
for (FileSet fs : filesets) {
DirectoryScanner s = fs.getDirectoryScanner(getProject());
File basedir = s.getBasedir();
for (String incl : s.getIncludedFiles()) {
validate(new File(basedir, incl), results);
}
}
JUnitReportWriter.writeReport(this, null, failOnError ? null : report, results);
}
private static void error(File jnlp, Map results, String key, String message) {
results.put(jnlp + "/test" + key, message);
}
private void validate(File jnlp, Map results) {
log("Validating: " + jnlp);
Document doc;
try {
doc = XMLUtil.parse(new InputSource(jnlp.toURI().toString()), true, false, new ErrorHandler() {
@Override
public void warning(SAXParseException exception) throws SAXException {
fatalError(exception);
}
@Override
public void error(SAXParseException exception) throws SAXException {
fatalError(exception);
}
@Override
public void fatalError(SAXParseException exception) throws SAXException {
throw new SAXException("parse or validation error:\n" +
exception.getSystemId() + ":" + exception.getLineNumber() + ": " + exception.getMessage());
}
}, new EntityResolver() {
@Override
public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException {
if ("-//Sun Microsystems, Inc//DTD JNLP Descriptor 6.0//EN".equals(publicId)) {
return new InputSource(VerifyJNLP.class.getResource("JNLP-6.0.dtd").toString());
} else {
return null;
}
}
});
} catch (Exception x) {
error(jnlp, results, "Parse", x.getMessage());
return;
}
String codebase = doc.getDocumentElement().getAttribute("codebase");
URI base;
if (codebase.equals("$$codebase")) {
base = jnlp.getParentFile().toURI();
} else {
try {
base = new URI(codebase);
if (!base.isAbsolute()) {
error(jnlp, results, "Codebase", "non-absolute codebase " + base);
return;
}
if (!"file".equals(base.getScheme())) {
// Needed for local validation of a tree intended for eventual upload to a server.
base = jnlp.getParentFile().toURI();
}
} catch (URISyntaxException x) {
error(jnlp, results, "Codebase", "invalid codebase " + codebase + "': " + x);
return;
}
}
Certificate[] existingCertificates = null;
File existingSignedJar = null;
NodeList nl = doc.getElementsByTagName("*");
for (int i = 0; i < nl.getLength(); i++) {
Element el = (Element) nl.item(i);
String href = el.getAttribute("href");
if (href.length() > 0) {
URI u;
try {
u = base.resolve(new URI(href));
} catch (URISyntaxException x) {
error(jnlp, results, "Href", "invalid href '" + href + "': " + x);
continue;
}
assert u.isAbsolute() : u + " not absolute as " + href + " resolved against " + base;
if ("file".equals(u.getScheme())) {
File f = new File(u);
if (!f.isFile()) {
if (el.getTagName().equals("icon")) {
// jnlp.xml in harness generates optimistically.
// Does not seem to be a problem if it is missing.
log(jnlp + ": warning: no such file " + f, Project.MSG_WARN);
} else if (! f.exists() && f.getName().startsWith("locale")) {
// skip missing locale files, probably the best fix for #103301 (copied from MakeJNLP.java)
log("Localization file " + f + " is referenced, but cannot be found. Skipping.", Project.MSG_WARN);
}
else {
error(jnlp, results, "Href", "no such file " + f);
continue;
}
}
if (el.getTagName().equals("extension")) {
validate(f, results);
} else if (el.getTagName().equals("jar") && f.exists()) {
try {
JarFile jf = new JarFile(f, true);
// Try to find signers.
try {
Enumeration entries = jf.entries();
while (entries.hasMoreElements()) {
JarEntry entry = entries.nextElement();
if (entry.getName().startsWith("META-INF/")) {
// At least MANIFEST.MF is not signed in the normal way, it seems.
continue;
}
if (entry.getSize() < 1) {
// Dirs are not signed.
continue;
}
InputStream is = jf.getInputStream(entry);
int read = 0;
while (read != -1) {
read = is.read();
}
Certificate[] certs = entry.getCertificates();
/*
System.err.println("existingSignedJar=" + existingSignedJar + " existingCertificates=" + Arrays.toString(existingCertificates) +
" f=" + f + " certs=" + Arrays.toString(certs) + " entry.name=" + entry.getName());
*/
if (existingSignedJar != null && !Arrays.equals(certs, existingCertificates)) {
error(jnlp, results, "Signatures", "different signatures (or signing status) between " + existingSignedJar + " and " + f);
break;
}
existingCertificates = certs;
existingSignedJar = f;
break; // just check one representative file
}
} finally {
jf.close();
}
} catch (IOException x) {
error(jnlp, results, "Signatures", "error examining signatures in " + f + ": " + x);
}
}
} else {
try {
u.toURL().openStream().close();
} catch (IOException x) {
log(jnlp + ": could not open network URL " + u, Project.MSG_WARN);
// Do not halt build; might just be a network connectivity issue.
}
}
}
}
}
}
