public String verify(JarFile jar, String... algorithms) throws IOException {
if (algorithms == null || algorithms.length == 0) algorithms = new String[] {"MD5", "SHA"};
else if (algorithms.length == 1 && algorithms[0].equals("-")) return null;
try {
Manifest m = jar.getManifest();
if (m.getEntries().isEmpty()) return "No name sections";
for (Enumeration<JarEntry> e = jar.entries(); e.hasMoreElements(); ) {
JarEntry je = e.nextElement();
if (MANIFEST_ENTRY.matcher(je.getName()).matches()) continue;
Attributes nameSection = m.getAttributes(je.getName());
if (nameSection == null) return "No name section for " + je.getName();
for (String algorithm : algorithms) {
try {
MessageDigest md = MessageDigest.getInstance(algorithm);
String expected = nameSection.getValue(algorithm + "-Digest");
if (expected != null) {
byte digest[] = Base64.decodeBase64(expected);
copy(jar.getInputStream(je), md);
if (!Arrays.equals(digest, md.digest()))
return "Invalid digest for "
+ je.getName()
+ ", "
+ expected
+ " != "
+ Base64.encodeBase64(md.digest());
} else reporter.error("could not find digest for " + algorithm + "-Digest");
} catch (NoSuchAlgorithmException nsae) {
return "Missing digest algorithm " + algorithm;
}
}
}
} catch (Exception e) {
return "Failed to verify due to exception: " + e.getMessage();
}
return null;
}
public CommandData parseCommandData(ArtifactData artifact) throws Exception {
File source = new File(artifact.file);
if (!source.isFile()) throw new FileNotFoundException();
CommandData data = new CommandData();
data.sha = artifact.sha;
data.jpmRepoDir = repoDir.getCanonicalPath();
JarFile jar = new JarFile(source);
try {
reporter.trace("Parsing %s", source);
Manifest m = jar.getManifest();
Attributes main = m.getMainAttributes();
data.name = data.bsn = main.getValue("Bundle-SymbolicName");
String version = main.getValue("Bundle-Version");
if (version == null) data.version = Version.LOWEST;
else data.version = new Version(version);
data.main = main.getValue("Main-Class");
data.description = main.getValue("Bundle-Description");
data.title = main.getValue("JPM-Name");
reporter.trace("name " + data.name + " " + data.main + " " + data.title);
DependencyCollector path = new DependencyCollector(this);
path.add(artifact);
DependencyCollector bundles = new DependencyCollector(this);
if (main.getValue("JPM-Classpath") != null) {
Parameters requires = OSGiHeader.parseHeader(main.getValue("JPM-Classpath"));
for (Map.Entry<String, Attrs> e : requires.entrySet()) {
path.add(e.getKey(), e.getValue().get("name")); // coordinate
}
} else if (!artifact.local) { // No JPM-Classpath, falling back to
// server's revision
// Iterable<RevisionRef> closure =
// library.getClosure(artifact.sha,
// false);
// System.out.println("getting closure " + artifact.url + " " +
// Strings.join("\n",closure));
// if (closure != null) {
// for (RevisionRef ref : closure) {
// path.add(Hex.toHexString(ref.revision));
// }
// }
}
if (main.getValue("JPM-Runbundles") != null) {
Parameters jpmrunbundles = OSGiHeader.parseHeader(main.getValue("JPM-Runbundles"));
for (Map.Entry<String, Attrs> e : jpmrunbundles.entrySet()) {
bundles.add(e.getKey(), e.getValue().get("name"));
}
}
reporter.trace("collect digests runpath");
data.dependencies.addAll(path.getDigests());
reporter.trace("collect digests bundles");
data.runbundles.addAll(bundles.getDigests());
Parameters command = OSGiHeader.parseHeader(main.getValue("JPM-Command"));
if (command.size() > 1) reporter.error("Only one command can be specified");
for (Map.Entry<String, Attrs> e : command.entrySet()) {
data.name = e.getKey();
Attrs attrs = e.getValue();
if (attrs.containsKey("jvmargs")) data.jvmArgs = attrs.get("jvmargs");
if (attrs.containsKey("title")) data.title = attrs.get("title");
if (data.title != null) data.title = data.name;
}
return data;
} finally {
jar.close();
}
}
/** Receive notification of the start of an element. */
@Override
public void startElement(String uri, String l, String q, Attributes a) {
/*
* 1. Load a class that matches the element name.
* 2. If no class found, assume the element maps to a String.
* 3. Otherwise, construct a new object of the class with element attributes.
*/
_logger.fine(
S.fine(_logger)
? "Consider element " + l + "\n uri " + uri + "\n q " + q
: null);
ElementInfo info = new ElementInfo();
// Record java packages defined on this element as xmlns
for (int i = 0; i < a.getLength(); ++i) {
_logger.fine(
S.fine(_logger)
? " attr "
+ a.getQName(i)
+ "="
+ a.getValue(i)
+ "\n "
+ a.getQName(i)
+ ":"
+ a.getURI(i)
: null);
if (a.getQName(i).startsWith("xmlns:") && a.getValue(i).startsWith("java://")) {
info.pkgs.put(a.getQName(i).substring(6), a.getValue(i).substring(7));
}
}
// Resolve the package name of this element, which could be empty (default package)
int colon = q.indexOf(':');
if (colon > 0) {
String xmlns = q.substring(0, colon);
// is it defined right here?
info.jpkg = info.pkgs.get(xmlns);
// find a matching namespace from ancesters
if (info.jpkg == null && !_stack.isEmpty()) {
for (int i = _stack.size() - 1; i >= 0; --i) {
info.jpkg = _stack.get(i).pkgs.get(xmlns);
if (info.jpkg != null) {
break;
}
}
}
} else if (isPrimitiveType(q)) {
info.jpkg = "java.lang";
} else if (!_stack.isEmpty()) {
info.jpkg = _stack.get(_stack.size() - 1).jpkg;
} else {
info.jpkg = _jpkg;
}
_logger.fine("to create element with package = " + info.jpkg);
try {
info.name =
(info.jpkg != null) ? info.jpkg + '.' + Strings.toCamelCase(l) : Strings.toCamelCase(l);
try {
if (info.name.endsWith("...")) {
// Array construction
info.type = Class.forName(info.name.substring(0, info.name.length() - 3));
info.data = new ArrayList<Object>();
} else {
// Non-array construction
int size = a.getLength();
TypedValueGroup arguments = new TypedValueGroup();
for (int i = 0; i < size; ++i) {
if (!a.getQName(i).startsWith("xmlns:") && !a.getQName(i).equals("xmlns")) {
arguments.add(guessUntypedValue(a.getQName(i), a.getValue(i)));
}
}
arguments.complete();
_logger.fine(S.fine(_logger) ? "arguments=" + arguments : null);
if (arguments.size() > 0) {
if (arguments.size() == 1 && "java.lang".equals(info.jpkg)) {
info.inst.put(
"@as",
Strings.toCamelCase(
arguments.get(0).name, '-', false)); // respect original spelling
info.data = arguments.get(0).get(0).data;
info.type = arguments.get(0).get(0).type;
} else {
Exception last = null;
Object[] args = new Object[arguments.size()];
while (arguments.load(args, 0)) {
try {
_logger.fine(
S.fine(_logger)
? "to create " + info.name + " with args: " + args.length + args(args)
: null);
info.data = _factory.create(info.name, args);
info.type = info.data.getClass();
break;
} catch (InvocationTargetException x) {
throw x;
} catch (Exception x) {
last = x;
_logger.fine(
"failure in creating " + info.name + ": probing for other constructors");
}
}
if (info.data == null) {
throw last;
}
}
} else {
_logger.fine("Create " + info.name + " with the default constructor");
info.data = _factory.create(info.name);
info.type = info.data.getClass();
}
}
} catch (ClassNotFoundException x) {
// no class by the element name is found, assumed String
if (!_lenient) {
throw new BeanAssemblyException("No class associated with element " + q);
} else {
_logger.log(Level.WARNING, "can't find class " + info.name, x);
}
}
_stack.add(info);
// _logger.fine(">>ElementInfo: " + info.type.getName() + " in " + info);
// all other exceptions indicate mismatches between the beans and the XML schema
} catch (Exception x) {
if (!_lenient) {
throw new BeanAssemblyException("Failed to assemble bean from element " + q, x);
} else {
_logger.log(Level.SEVERE, "can't create object for this element", x);
}
}
}
