Exemplo n.º 1
0
 public String getArtifactIdFromCoord(String coord) {
   Matcher m = COORD_P.matcher(coord);
   if (m.matches()) {
     return m.group(2);
   } else {
     return null;
   }
 }
Exemplo n.º 2
0
  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;
  }
Exemplo n.º 3
0
  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();
    }
  }
Exemplo n.º 4
0
/**
 * JPM is the Java package manager. It manages a local repository in the user global directory
 * and/or a global directory. This class is the main entry point for the command line. This program
 * maintains a repository, a list of installed commands, and a list of installed service. It
 * provides the commands to changes these resources. All information is kept in a platform specific
 * area. However, the layout of this area is standardized.
 *
 * <pre>
 * 	platform/
 *      check									check for write access
 *      repo/                              		repository
 *        &lt;bsn&gt;/                     		bsn directory
 *          &lt;bsn&gt;-&lt;version&gt;.jar		jar file
 *      service/                               All service
 *        &lt;service&gt;/                      A service
 *        	data								Service data (JSON)
 *          wdir/								Working dir
 *          lock								Lock file (if running, contains port)
 *      commands/
 *        &lt;command&gt;						Command data (JSON)
 * </pre>
 *
 * For each service, the platform must also have a user writable directory used for working dir,
 * lock, and logging.
 *
 * <pre>
 *   platform var/
 *       wdir/									Working dir
 *       lock									Lock file (exists only when running, contains UDP port)
 * </pre>
 */
public class JustAnotherPackageManager {
  private static final String SERVICE_JAR_FILE = "service.jar";
  public static final String SERVICE = "service";
  public static final String COMMANDS = "commands";
  public static final String LOCK = "lock";
  private static final String JPM_CACHE_LOCAL = "jpm.cache.local";
  private static final String JPM_CACHE_GLOBAL = "jpm.cache.global";
  static final String PERMISSION_ERROR =
      "No write acces, might require administrator or root privileges (sudo in *nix)";
  static JSONCodec codec = new JSONCodec();
  static Pattern BSN_P =
      Pattern.compile(
          "([-a-z0-9_]+(?:\\.[-a-z0-9_]+)+)(?:@([0-9]+(?:\\.[0-9]+(?:\\.[0-9]+(?:\\.[-_a-z0-9]+)?)?)?))?",
          Pattern.CASE_INSENSITIVE);
  static Pattern COORD_P =
      Pattern.compile(
          "([-a-z0-9_.]+):([-a-z0-9_.]+)(?::([-a-z0-9_.]+))?(?:@([-a-z0-9._]+))?",
          Pattern.CASE_INSENSITIVE);
  static Pattern URL_P = Pattern.compile("([a-z]{3,6}:/.*)", Pattern.CASE_INSENSITIVE);
  static Pattern CMD_P = Pattern.compile("([a-z_][a-z\\d_]*)", Pattern.CASE_INSENSITIVE);
  static Pattern SHA_P = Pattern.compile("(?:sha:)?([a-fA-F0-9]{40,40})", Pattern.CASE_INSENSITIVE);
  static Executor executor;

  final File homeDir;
  final File binDir;
  final File repoDir;
  final File commandDir;
  final File serviceDir;
  final File service;
  final Platform platform;
  final Reporter reporter;

  JpmRepo library;
  final List<Service> startedByDaemon = new ArrayList<Service>();
  boolean localInstall = false;
  private URLClient host;
  private boolean underTest;

  /**
   * Constructor
   *
   * @throws IOException
   */
  public JustAnotherPackageManager(Reporter reporter, Platform platform, File homeDir, File binDir)
      throws IOException {
    this.platform = platform;
    this.reporter = reporter;
    this.homeDir = homeDir;
    if (!homeDir.exists() && !homeDir.mkdirs())
      throw new IllegalArgumentException("Could not create directory " + homeDir);

    repoDir = IO.getFile(homeDir, "repo");
    if (!repoDir.exists() && !repoDir.mkdirs())
      throw new IllegalArgumentException("Could not create directory " + repoDir);

    commandDir = new File(homeDir, COMMANDS);
    serviceDir = new File(homeDir, SERVICE);
    commandDir.mkdir();
    serviceDir.mkdir();
    service = new File(repoDir, SERVICE_JAR_FILE);
    if (!service.isFile()) init();

    this.binDir = binDir;
    if (!binDir.exists() && !binDir.mkdirs())
      throw new IllegalArgumentException("Could not create bin directory " + binDir);
  }

  public String getArtifactIdFromCoord(String coord) {
    Matcher m = COORD_P.matcher(coord);
    if (m.matches()) {
      return m.group(2);
    } else {
      return null;
    }
  }

  public boolean hasAccess() {
    assert (binDir != null);
    assert (homeDir != null);

    return binDir.canWrite() && homeDir.canWrite();
  }

  public File getHomeDir() {
    return homeDir;
  }

  public File getRepoDir() {
    return repoDir;
  }

  public File getBinDir() {
    return binDir;
  }

  public List<ServiceData> getServices() throws Exception {
    return getServices(serviceDir);
  }

  public List<ServiceData> getServices(File serviceDir) throws Exception {
    List<ServiceData> result = new ArrayList<ServiceData>();

    if (!serviceDir.exists()) {
      return result;
    }

    for (File sdir : serviceDir.listFiles()) {
      File dataFile = new File(sdir, "data");
      ServiceData data = getData(ServiceData.class, dataFile);
      result.add(data);
    }
    return result;
  }

  public List<CommandData> getCommands() throws Exception {
    return getCommands(commandDir);
  }

  public List<CommandData> getCommands(File commandDir) throws Exception {
    List<CommandData> result = new ArrayList<CommandData>();

    if (!commandDir.exists()) {
      return result;
    }

    for (File f : commandDir.listFiles()) {
      CommandData data = getData(CommandData.class, f);
      if (data != null) result.add(data);
    }
    return result;
  }

  public CommandData getCommand(String name) throws Exception {
    File f = new File(commandDir, name);
    if (!f.isFile()) return null;

    return getData(CommandData.class, f);
  }

  /**
   * Garbage collect repository
   *
   * @throws Exception
   */
  public void gc() throws Exception {
    HashSet<byte[]> deps = new HashSet<byte[]>();

    // deps.add(SERVICE_JAR_FILE);

    for (File cmd : commandDir.listFiles()) {
      CommandData data = getData(CommandData.class, cmd);
      addDependencies(deps, data);
    }

    for (File service : serviceDir.listFiles()) {
      File dataFile = new File(service, "data");
      ServiceData data = getData(ServiceData.class, dataFile);
      addDependencies(deps, data);
    }

    int count = 0;
    for (File f : repoDir.listFiles()) {
      String name = f.getName();
      if (!deps.contains(name)) {
        if (!name.endsWith(".json")
            || !deps.contains(name.substring(0, name.length() - ".json".length()))) { // Remove
          // json
          // files
          // only
          // if
          // the
          // bin
          // is
          // going
          // as
          // well
          f.delete();
          count++;
        } else {

        }
      }
    }
    System.out.format("Garbage collection done (%d file(s) removed)%n", count);
  }

  private void addDependencies(HashSet<byte[]> deps, CommandData data) {
    for (byte[] dep : data.dependencies) {
      deps.add(dep);
    }
    for (byte[] dep : data.runbundles) {
      deps.add(dep);
    }
  }

  public void deinit(Appendable out, boolean force) throws Exception {
    Settings settings = new Settings(platform.getConfigFile());

    if (!force) {
      Justif justify = new Justif(80, 40);
      StringBuilder sb = new StringBuilder();
      Formatter f = new Formatter(sb);

      try {
        String list = listFiles(platform.getGlobal());
        if (list != null) {
          f.format("In global default environment:%n");
          f.format(list);
        }

        list = listFiles(platform.getLocal());
        if (list != null) {
          f.format("In local default environment:%n");
          f.format(list);
        }

        if (settings.containsKey(JPM_CACHE_GLOBAL)) {
          list = listFiles(IO.getFile(settings.get(JPM_CACHE_GLOBAL)));
          if (list != null) {
            f.format("In global configured environment:%n");
            f.format(list);
          }
        }

        if (settings.containsKey(JPM_CACHE_LOCAL)) {
          list = listFiles(IO.getFile(settings.get(JPM_CACHE_LOCAL)));
          if (list != null) {
            f.format("In local configured environment:%n");
            f.format(list);
          }
        }

        list = listSupportFiles();
        if (list != null) {
          f.format("jpm support files:%n");
          f.format(list);
        }

        f.format("%n%n");

        f.format(
            "All files listed above will be deleted if deinit is run with the force flag set"
                + " (\"jpm deinit -f\" or \"jpm deinit --force\"%n%n");
        f.flush();

        justify.wrap(sb);
        out.append(sb.toString());
      } finally {
        f.close();
      }
    } else { // i.e. if(force)
      int count = 0;
      File[] caches = {platform.getGlobal(), platform.getLocal(), null, null};
      if (settings.containsKey(JPM_CACHE_LOCAL)) {
        caches[2] = IO.getFile(settings.get(JPM_CACHE_LOCAL));
      }
      if (settings.containsKey(JPM_CACHE_GLOBAL)) {
        caches[3] = IO.getFile(settings.get(JPM_CACHE_GLOBAL));
      }
      ArrayList<File> toDelete = new ArrayList<File>();

      for (File cache : caches) {
        if (cache == null || !cache.exists()) {
          continue;
        }
        listFiles(cache, toDelete);
        if (toDelete.size() > count) {
          count = toDelete.size();
          if (!cache.canWrite()) {
            reporter.error(PERMISSION_ERROR + " (" + cache + ")");
            return;
          }
          toDelete.add(cache);
        }
      }
      listSupportFiles(toDelete);

      for (File f : toDelete) {
        if (f.exists() && !f.canWrite()) {
          reporter.error(PERMISSION_ERROR + " (" + f + ")");
        }
      }
      if (reporter.getErrors().size() > 0) {
        return;
      }

      for (File f : toDelete) {
        if (f.exists()) {
          IO.deleteWithException(f);
        }
      }
    }
  }

  // Adapter to list without planning to delete
  private String listFiles(final File cache) throws Exception {
    return listFiles(cache, null);
  }

  private String listFiles(final File cache, List<File> toDelete) throws Exception {
    boolean stopServices = false;
    if (toDelete == null) {
      toDelete = new ArrayList<File>();
    } else {
      stopServices = true;
    }
    int count = 0;
    Formatter f = new Formatter();

    f.format(" - Cache:%n    * %s%n", cache.getCanonicalPath());
    f.format(" - Commands:%n");
    for (CommandData cdata : getCommands(new File(cache, COMMANDS))) {
      f.format("    * %s \t0 handle for \"%s\"%n", cdata.bin, cdata.name);
      toDelete.add(new File(cdata.bin));
      count++;
    }
    f.format(" - Services:%n");
    for (ServiceData sdata : getServices(new File(cache, SERVICE))) {
      if (sdata != null) {
        f.format("    * %s \t0 service directory for \"%s\"%n", sdata.sdir, sdata.name);
        toDelete.add(new File(sdata.sdir));
        File initd = platform.getInitd(sdata);
        if (initd != null && initd.exists()) {
          f.format("    * %s \t0 init.d file for \"%s\"%n", initd.getCanonicalPath(), sdata.name);
          toDelete.add(initd);
        }
        if (stopServices) {
          Service s = getService(sdata);
          try {
            s.stop();
          } catch (Exception e) {
          }
        }
        count++;
      }
    }
    f.format("%n");

    String result = (count > 0) ? f.toString() : null;
    f.close();
    return result;
  }

  private String listSupportFiles() throws Exception { // Adapter to list
    // without planning
    // to delete
    return listSupportFiles(null);
  }

  private String listSupportFiles(List<File> toDelete) throws Exception {
    Formatter f = new Formatter();
    try {
      if (toDelete == null) {
        toDelete = new ArrayList<File>();
      }
      int precount = toDelete.size();
      File confFile = IO.getFile(platform.getConfigFile()).getCanonicalFile();
      if (confFile.exists()) {
        f.format("    * %s \t0 Config file%n", confFile);
        toDelete.add(confFile);
      }

      String result = (toDelete.size() > precount) ? f.toString() : null;
      return result;
    } finally {
      f.close();
    }
  }

  /**
   * @param data
   * @param target
   * @throws Exception
   * @throws IOException
   */
  public String createService(ServiceData data) throws Exception, IOException {

    File sdir = new File(serviceDir, data.name);
    if (!sdir.exists() && !sdir.mkdirs()) {
      throw new IOException("Could not create directory " + data.sdir);
    }
    data.sdir = sdir.getAbsolutePath();

    File lock = new File(data.sdir, LOCK);
    data.lock = lock.getAbsolutePath();

    if (data.work == null) data.work = new File(data.sdir, "work").getAbsolutePath();
    if (data.user == null) data.user = platform.user();

    if (data.user == null) data.user = "******";

    new File(data.work).mkdir();

    if (data.log == null) data.log = new File(data.sdir, "log").getAbsolutePath();

    // TODO
    // if (Data.validate(data) != null)
    // return "Invalid service data: " + Data.validate(data);

    if (service == null)
      throw new RuntimeException(
          "Missing biz.aQute.jpm.service in repo, should have been installed by init, try reiniting");

    data.serviceLib = service.getAbsolutePath();

    platform.chown(data.user, true, new File(data.sdir));

    String s = platform.createService(data, null, false);
    if (s == null) storeData(new File(data.sdir, "data"), data);
    return s;
  }

  /**
   * @param data
   * @param target
   * @throws Exception
   * @throws IOException
   */
  public String createCommand(CommandData data, boolean force) throws Exception, IOException {

    // TODO
    // if (Data.validate(data) != null)
    // return "Invalid command data: " + Data.validate(data);

    Map<String, String> map = null;
    if (data.trace) {
      map = new HashMap<String, String>();
      map.put("java.security.manager", "aQute.jpm.service.TraceSecurityManager");
      reporter.trace("tracing");
    }
    String s = platform.createCommand(data, map, force, service.getAbsolutePath());
    if (s == null) storeData(new File(commandDir, data.name), data);
    return s;
  }

  public void deleteCommand(String name) throws Exception {
    CommandData cmd = getCommand(name);
    if (cmd == null) throw new IllegalArgumentException("No such command " + name);

    platform.deleteCommand(cmd);
    File tobedel = new File(commandDir, name);
    IO.deleteWithException(tobedel);
  }

  public Service getService(String serviceName) throws Exception {
    File base = new File(serviceDir, serviceName);
    return getService(base);
  }

  public Service getService(ServiceData sdata) throws Exception {
    return getService(new File(sdata.sdir));
  }

  private Service getService(File base) throws Exception {
    File dataFile = new File(base, "data");
    if (!dataFile.isFile()) return null;

    ServiceData data = getData(ServiceData.class, dataFile);
    return new Service(this, data);
  }

  /**
   * Verify that the jar file is correct. This also verifies ok when there are no checksums or.
   *
   * @throws IOException
   */
  static Pattern MANIFEST_ENTRY = Pattern.compile("(META-INF/[^/]+)|(.*/)");

  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;
  }

  /**
   * @param clazz
   * @param dataFile
   * @return
   * @throws Exception
   */
  private <T> T getData(Class<T> clazz, File dataFile) throws Exception {
    try {
      return codec.dec().from(dataFile).get(clazz);
    } catch (Exception e) {
      // e.printStackTrace();
      // System.out.println("Cannot read data file "+dataFile+": " +
      // IO.collect(dataFile));
      return null;
    }
  }

  private void storeData(File dataFile, Object o) throws Exception {
    codec.enc().to(dataFile).put(o);
  }

  /**
   * This is called when JPM runs in the background to start jobs
   *
   * @throws Exception
   */
  public void daemon() throws Exception {
    Runtime.getRuntime()
        .addShutdownHook(
            new Thread("Daemon shutdown") {
              public void run() {

                for (Service service : startedByDaemon) {
                  try {
                    reporter.error("Stopping " + service);
                    service.stop();
                    reporter.error("Stopped " + service);
                  } catch (Exception e) {
                    // Ignore
                  }
                }
              }
            });
    List<ServiceData> services = getServices();
    Map<String, ServiceData> map = new HashMap<String, ServiceData>();
    for (ServiceData d : services) {
      map.put(d.name, d);
    }
    List<ServiceData> start = new ArrayList<ServiceData>();
    Set<ServiceData> set = new HashSet<ServiceData>();
    for (ServiceData sd : services) {
      checkStartup(map, start, sd, set);
    }

    if (start.isEmpty()) reporter.warning("No services to start");

    for (ServiceData sd : start) {
      try {
        Service service = getService(sd.name);
        reporter.trace("Starting " + service);
        String result = service.start();
        if (result != null) reporter.error("Started error " + result);
        else startedByDaemon.add(service);
        reporter.trace("Started " + service);
      } catch (Exception e) {
        reporter.error("Cannot start daemon %s, due to %s", sd.name, e);
      }
    }

    while (true) {
      for (Service sd : startedByDaemon) {
        try {
          if (!sd.isRunning()) {
            reporter.error("Starting due to failure " + sd);
            String result = sd.start();
            if (result != null) reporter.error("Started error " + result);
          }
        } catch (Exception e) {
          reporter.error("Cannot start daemon %s, due to %s", sd, e);
        }
      }
      Thread.sleep(10000);
    }
  }

  private void checkStartup(
      Map<String, ServiceData> map,
      List<ServiceData> start,
      ServiceData sd,
      Set<ServiceData> cyclic) {
    if (sd.after.isEmpty() || start.contains(sd)) return;

    if (cyclic.contains(sd)) {
      reporter.error("Cyclic dependency for " + sd.name);
      return;
    }

    cyclic.add(sd);

    for (String dependsOn : sd.after) {
      if (dependsOn.equals("boot")) continue;

      ServiceData deps = map.get(dependsOn);
      if (deps == null) {
        reporter.error("No such service " + dependsOn + " but " + sd.name + " depends on it");
      } else {
        checkStartup(map, start, deps, cyclic);
      }
    }
    start.add(sd);
  }

  public void register(boolean user) throws Exception {
    platform.installDaemon(user);
  }

  public ArtifactData putAsync(final URI uri) {
    final ArtifactData data = new ArtifactData();
    data.busy = true;
    Runnable r =
        new Runnable() {

          public void run() {
            try {
              put(uri, data);
            } catch (Throwable e) {
              e.printStackTrace();
              data.error = e.toString();
            } finally {
              reporter.trace("done downloading %s", uri);
              data.done();
            }
          }
        };
    getExecutor().execute(r);
    return data;
  }

  public ArtifactData put(final URI uri) throws Exception {
    final ArtifactData data = new ArtifactData();
    put(uri, data);
    return data;
  }

  void put(final URI uri, ArtifactData data) throws Exception {
    reporter.trace("put %s %s", uri, data);
    File tmp = createTempFile(repoDir, "mtp", ".whatever");
    tmp.deleteOnExit();
    try {
      copy(uri.toURL(), tmp);
      byte[] sha = SHA1.digest(tmp).digest();
      reporter.trace("SHA %s %s", uri, Hex.toHexString(sha));
      ArtifactData existing = get(sha);
      if (existing != null) {
        reporter.trace("existing");
        xcopy(existing, data);
        return;
      }
      File meta = new File(repoDir, Hex.toHexString(sha) + ".json");
      File file = new File(repoDir, Hex.toHexString(sha));
      rename(tmp, file);
      reporter.trace("file %s", file);
      data.file = file.getAbsolutePath();
      data.sha = sha;
      data.busy = false;
      CommandData cmddata = parseCommandData(data);
      if (cmddata.bsn != null) {
        data.name = cmddata.bsn + "-" + cmddata.version;
      } else data.name = Strings.display(cmddata.title, cmddata.bsn, cmddata.name, uri);
      codec.enc().to(meta).put(data);
      reporter.trace("TD = " + data);
    } finally {
      tmp.delete();
      reporter.trace("puted %s %s", uri, data);
    }
  }

  public ArtifactData get(byte[] sha) throws Exception {
    String name = Hex.toHexString(sha);
    File data = IO.getFile(repoDir, name + ".json");
    reporter.trace("artifact data file %s", data);
    if (data.isFile()) { // Bin + metadata
      ArtifactData artifact = codec.dec().from(data).get(ArtifactData.class);
      artifact.file = IO.getFile(repoDir, name).getAbsolutePath();
      return artifact;
    }
    File bin = IO.getFile(repoDir, name);
    if (bin.exists()) { // Only bin
      ArtifactData artifact = new ArtifactData();
      artifact.file = bin.getAbsolutePath();
      artifact.sha = sha;
      return artifact;
    }

    return null;
  }

  public List<Revision> filter(Collection<Revision> list, EnumSet<Library.Phase> phases) {
    List<Revision> filtered = new ArrayList<Library.Revision>();
    for (Revision r : list) if (phases.contains(r.phase)) filtered.add(r);

    return filtered;
  }

  public Map<String, Revision> latest(Collection<Revision> list) {
    Map<String, Revision> programs = new HashMap<String, Library.Revision>();

    for (Revision r : list) {
      String coordinates = r.groupId + ":" + r.artifactId;
      if (r.classifier != null) coordinates += ":" + r.classifier;

      if (r.groupId.equals(Library.SHA_GROUP)) continue;

      Revision current = programs.get(coordinates);
      if (current == null) programs.put(coordinates, r);
      else {
        // who is better?
        if (compare(r, current) >= 0) programs.put(coordinates, r);
      }
    }
    return programs;
  }

  private int compare(Revision a, Revision b) {
    if (Arrays.equals(a._id, b._id)) return 0;

    Version va = getVersion(a);
    Version vb = getVersion(b);
    int n = va.compareTo(vb);
    if (n != 0) return n;

    if (a.created != b.created) return a.created > b.created ? 1 : -1;

    for (int i = 0; i < a._id.length; i++)
      if (a._id[i] != b._id[i]) return a._id[i] > b._id[i] ? 1 : -1;

    return 0;
  }

  private Version getVersion(Revision a) {
    if (a.qualifier != null) return new Version(a.baseline + "." + a.qualifier);
    return new Version(a.baseline);
  }

  public String getCoordinates(Revision r) {
    StringBuilder sb = new StringBuilder(r.groupId).append(":").append(r.artifactId);
    if (r.classifier != null) sb.append(":").append(r.classifier);
    sb.append("@").append(r.version);

    return sb.toString();
  }

  public String getCoordinates(RevisionRef r) {
    StringBuilder sb = new StringBuilder(r.groupId).append(":").append(r.artifactId).append(":");
    if (r.classifier != null) sb.append(r.classifier).append("@");
    sb.append(r.version);

    return sb.toString();
  }

  public ArtifactData getCandidate(String key) throws Exception {
    ArtifactData data = getCandidateAsync(key);
    if (data != null) {
      data.sync();
    }
    return data;
  }

  public ArtifactData getCandidateAsync(String arg) throws Exception {
    reporter.trace("coordinate %s", arg);
    if (isUrl(arg))
      try {
        ArtifactData data = putAsync(new URI(arg));
        data.local = true;
        return data;
      } catch (Exception e) {
        reporter.trace("hmm, not a valid url %s, will try the server", arg);
      }

    Coordinate c = new Coordinate(arg);

    if (c.isSha()) {
      ArtifactData r = get(c.getSha());
      if (r != null) return r;
    }

    Revision revision = library.getRevisionByCoordinate(c);
    if (revision == null) return null;

    reporter.trace("revision %s", Hex.toHexString(revision._id));

    ArtifactData ad = get(revision._id);
    if (ad != null) {
      reporter.trace("found in cache");
      return ad;
    }

    URI url = revision.urls.iterator().next();
    ArtifactData artifactData = putAsync(url);
    artifactData.coordinate = c;
    return artifactData;
  }

  public static Executor getExecutor() {
    if (executor == null) executor = Executors.newFixedThreadPool(4);
    return executor;
  }

  public static void setExecutor(Executor executor) {
    JustAnotherPackageManager.executor = executor;
  }

  public void setLibrary(URI url) throws Exception {
    if (url == null) url = new URI("http://repo.jpm4j.org/");

    this.host = new URLClient(url.toString());
    host.setReporter(reporter);
    library = JSONRPCProxy.createRPC(JpmRepo.class, host, "jpm");
  }

  public void close() {
    if (executor != null && executor instanceof ExecutorService)
      ((ExecutorService) executor).shutdown();
  }

  public void init() throws IOException {
    URL s = getClass().getClassLoader().getResource(SERVICE_JAR_FILE);
    if (s == null)
      if (underTest) return;
      else throw new Error("No " + SERVICE_JAR_FILE + " resource in jar");
    service.getParentFile().mkdirs();
    IO.copy(s, service);
  }

  public Platform getPlatform() {
    return platform;
  }

  /**
   * Copy from the copy method in StructUtil. Did not want to drag that code in. maybe this actually
   * should go to struct.
   *
   * @param from
   * @param to
   * @param excludes
   * @return
   * @throws Exception
   */
  public static <T extends struct> T xcopy(struct from, T to, String... excludes) throws Exception {
    Arrays.sort(excludes);
    for (Field f : from.fields()) {
      if (Arrays.binarySearch(excludes, f.getName()) >= 0) continue;

      Object o = f.get(from);
      if (o == null) continue;

      Field tof = to.getField(f.getName());
      if (tof != null)
        try {
          tof.set(to, Converter.cnv(tof.getGenericType(), o));
        } catch (Exception e) {
          System.out.println(
              "Failed to convert "
                  + f.getName()
                  + " from "
                  + from.getClass()
                  + " to "
                  + to.getClass()
                  + " value "
                  + o
                  + " exception "
                  + e);
        }
    }

    return to;
  }

  public JpmRepo getLibrary() {
    return library;
  }

  public void setLocalInstall(boolean b) {
    localInstall = b;
  }

  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 String createCoord(Revision rev) {
    return String.format("%s:%s@%s [%s]", rev.groupId, rev.artifactId, rev.version, rev.phase);
  }

  private String createCoord(RevisionRef rev) {
    return String.format("%s:%s@%s [%s]", rev.groupId, rev.artifactId, rev.version, rev.phase);
  }

  private String createJpmLink(Revision rev) {
    return String.format(
        "http://jpm4j.org/#!/p/sha/%s//%s", Hex.toHexString(rev._id), rev.baseline);
  }

  public class UpdateMemo {
    public CommandData current; // Works for commandData and
    // ServiceData, as ServiceData --|>
    // CommandData
    public RevisionRef best;
  }

  public void listUpdates(
      List<UpdateMemo> notFound,
      List<UpdateMemo> upToDate,
      List<UpdateMemo> toUpdate,
      CommandData data,
      boolean staged)
      throws Exception {

    // UpdateMemo memo = new UpdateMemo();
    // memo.current = data;
    //
    // Matcher m = data.coordinates == null ? null :
    // COORD_P.matcher(data.coordinates);
    //
    // if (data.version == null || m == null || !m.matches()) {
    // Revision revision = library.getRevision(data.sha);
    // if (revision == null) {
    // notFound.add(memo);
    // return;
    // }
    // data.version = new Version(revision.version);
    // data.coordinates = getCoordinates(revision);
    // if (data instanceof ServiceData) {
    // storeData(IO.getFile(new File(serviceDir, data.name), "data"), data);
    // } else {
    // storeData(IO.getFile(commandDir, data.name), data);
    // }
    // }
    //
    // Iterable< ? extends Program> programs =
    // library.getQueryPrograms(data.coordinates, 0, 0);
    // int count = 0;
    // RevisionRef best = null;
    // for (Program p : programs) {
    // // best = selectBest(p.revisions, staged, null);
    // count++;
    // }
    // if (count != 1 || best == null) {
    // notFound.add(memo);
    // return;
    // }
    // Version bestVersion = new Version(best.version);
    //
    // if (data.version.compareTo(bestVersion) < 0) { // Update available
    // memo.best = best;
    // toUpdate.add(memo);
    // } else { // up to date
    // upToDate.add(memo);
    // }
  }

  public void update(UpdateMemo memo) throws Exception {

    ArtifactData target = put(memo.best.urls.iterator().next());

    memo.current.version = new Version(memo.best.version);
    target.sync();
    memo.current.sha = target.sha;
    // memo.current.dependencies = target.dependencies;
    // memo.current.dependencies.add((new File(repoDir,
    // Hex.toHexString(target.sha))).getCanonicalPath());
    // memo.current.runbundles = target.runbundles;
    // memo.current.description = target.description;
    memo.current.time = target.time;

    if (memo.current instanceof ServiceData) {
      Service service = getService((ServiceData) memo.current);
      service.remove();
      createService((ServiceData) memo.current);
      IO.delete(new File(IO.getFile(serviceDir, memo.current.name), "data"));
      storeData(new File(IO.getFile(serviceDir, memo.current.name), "data"), memo.current);
    } else {
      platform.deleteCommand(memo.current);
      createCommand(memo.current, false);
      IO.delete(IO.getFile(commandDir, memo.current.name));
      storeData(IO.getFile(commandDir, memo.current.name), memo.current);
    }
  }

  private boolean isUrl(String coordinate) {
    return URL_P.matcher(coordinate).matches();
  }

  /**
   * Find programs
   *
   * @throws Exception
   */
  public List<Program> find(String query, int skip, int limit) throws Exception {
    return library.getQueryPrograms(query, skip, limit);
  }

  public boolean isWildcard(String coordinate) {
    return coordinate != null && coordinate.endsWith("@*");
  }

  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();
    }
  }

  public void setUnderTest() {
    underTest = true;
  }

  /**
   * Turn the shas into a readable form
   *
   * @param dependencies
   * @return
   * @throws Exception
   */
  public List<?> toString(List<byte[]> dependencies) throws Exception {
    List<String> out = new ArrayList<String>();
    for (byte[] dependency : dependencies) {
      ArtifactData data = get(dependency);
      if (data == null) out.add(Hex.toHexString(dependency));
      else {
        out.add(Strings.display(data.name, Hex.toHexString(dependency)));
      }
    }
    return out;
  }

  /**
   * Get a list of candidates from a coordinate
   *
   * @param c
   * @throws Exception
   */
  public Iterable<Revision> getCandidates(Coordinate c) throws Exception {
    return library.getRevisionsByCoordinate(c);
  }

  /** Post install */
  public void doPostInstall() {
    getPlatform().doPostInstall();
  }
}
Exemplo n.º 5
0
 private boolean isUrl(String coordinate) {
   return URL_P.matcher(coordinate).matches();
 }