/*
* Licensed to the Apache Software Foundation ( ASF ) under one
* or more contributor license agreements . See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership . The ASF licenses this file
* to you 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 .
*/
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 :
* & lt ; ! 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 VerifyJNLP
extends Task {
private List<FileSet> filesets =
new ArrayList<>();
/**
* Add one or more JNLP files to validate .
* Use & lt ; 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<String,String> 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<String,String> results, String key, String message)
{
results.put(jnlp + "/test" + key, message);
}
private void validate(File jnlp, Map<String,String> results) {
log("Validating: " + jnlp);
Document doc;
try {
doc = XMLUtil.parse(new InputSource(jnlp.toURI().toString()), true , false , new ErrorHandler() {
public void warning(SAXParseException exception) throws SAXException {
fatalError(exception);
}
public void error(SAXParseException exception) throws SAXException {
fatalError(exception);
}
public void fatalError(SAXParseException exception) throws SAXException {
throw new SAXException("parse or validation error:\n" +
exception.getSystemId() + ":" + exception.getLineNumber() + ": " + exception.getMessage());
}
}, new EntityResolver() {
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 <icon href="${app.icon}"/> 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 {
// Try to find signers.
try (JarFile jf = new JarFile(f, true )) {
Enumeration<JarEntry> 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
}
}
} 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.
}
}
}
}
}
}
Messung V0.5 in Prozent C=94 H=96 G=94
¤ Dauer der Verarbeitung: 0.6 Sekunden
¤
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