public String getArtifactIdFromCoord(String coord) {
Matcher m = COORD_P.matcher(coord);
if (m.matches()) {
return m.group(2);
} else {
return null;
}
}
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;
}
private void doManifest(
Jar jar, String[] digestNames, MessageDigest[] algorithms, OutputStream out)
throws Exception {
for (Map.Entry<String, Resource> entry : jar.getResources().entrySet()) {
String name = entry.getKey();
if (!METAINFDIR.matcher(name).matches()) {
out.write("\r\n".getBytes("UTF-8"));
out.write("Name: ".getBytes("UTF-8"));
out.write(name.getBytes("UTF-8"));
out.write("\r\n".getBytes("UTF-8"));
digest(algorithms, entry.getValue());
for (int a = 0; a < algorithms.length; a++) {
if (algorithms[a] != null) {
byte[] digest = algorithms[a].digest();
String header = digestNames[a] + "-Digest: " + new Base64(digest) + "\r\n";
out.write(header.getBytes("UTF-8"));
}
}
}
}
}
public String what(String key, boolean oneliner) throws Exception {
byte[] sha;
Matcher m = SHA_P.matcher(key);
if (m.matches()) {
sha = Hex.toByteArray(key);
} else {
m = URL_P.matcher(key);
if (m.matches()) {
URL url = new URL(key);
sha = SHA1.digest(url.openStream()).digest();
} else {
File jarfile = new File(key);
if (!jarfile.exists()) {
reporter.error("File does not exist: %s", jarfile.getCanonicalPath());
}
sha = SHA1.digest(jarfile).digest();
}
}
reporter.trace("sha %s", Hex.toHexString(sha));
Revision revision = library.getRevision(sha);
if (revision == null) {
return null;
}
StringBuilder sb = new StringBuilder();
Formatter f = new Formatter(sb);
Justif justif = new Justif(120, 20, 70, 20, 75);
DateFormat dateFormat = DateFormat.getDateInstance();
try {
if (oneliner) {
f.format("%20s %s%n", Hex.toHexString(revision._id), createCoord(revision));
} else {
f.format("Artifact: %s%n", revision.artifactId);
if (revision.organization != null && revision.organization.name != null) {
f.format(" (%s)", revision.organization.name);
}
f.format("%n");
f.format("Coordinates\t0: %s%n", createCoord(revision));
f.format("Created\t0: %s%n", dateFormat.format(new Date(revision.created)));
f.format("Size\t0: %d%n", revision.size);
f.format("Sha\t0: %s%n", Hex.toHexString(revision._id));
f.format("URL\t0: %s%n", createJpmLink(revision));
f.format("%n");
f.format("%s%n", revision.description);
f.format("%n");
f.format("Dependencies\t0:%n");
boolean flag = false;
Iterable<RevisionRef> closure = library.getClosure(revision._id, true);
for (RevisionRef dep : closure) {
f.format(
" - %s \t2- %s \t3- %s%n",
dep.name, createCoord(dep), dateFormat.format(new Date(dep.created)));
flag = true;
}
if (!flag) {
f.format(" None%n");
}
f.format("%n");
}
f.flush();
justif.wrap(sb);
return sb.toString();
} finally {
f.close();
}
}
private boolean isUrl(String coordinate) {
return URL_P.matcher(coordinate).matches();
}