Example #1
1
  private void unzipPlugin(Path zip, Path target) throws IOException {
    Files.createDirectories(target);

    try (ZipInputStream zipInput = new ZipInputStream(Files.newInputStream(zip))) {
      ZipEntry entry;
      byte[] buffer = new byte[8192];
      while ((entry = zipInput.getNextEntry()) != null) {
        Path targetFile = target.resolve(entry.getName());

        // be on the safe side: do not rely on that directories are always extracted
        // before their children (although this makes sense, but is it guaranteed?)
        Files.createDirectories(targetFile.getParent());
        if (entry.isDirectory() == false) {
          try (OutputStream out = Files.newOutputStream(targetFile)) {
            int len;
            while ((len = zipInput.read(buffer)) >= 0) {
              out.write(buffer, 0, len);
            }
          }
        }
        zipInput.closeEntry();
      }
    }
  }
Example #2
0
  private void copyBinDirectory(
      Path sourcePluginBinDirectory,
      Path destPluginBinDirectory,
      String pluginName,
      Terminal terminal)
      throws IOException {
    boolean canCopyFromSource =
        Files.exists(sourcePluginBinDirectory)
            && Files.isReadable(sourcePluginBinDirectory)
            && Files.isDirectory(sourcePluginBinDirectory);
    if (canCopyFromSource) {
      terminal.println(VERBOSE, "Found bin, moving to %s", destPluginBinDirectory.toAbsolutePath());
      if (Files.exists(destPluginBinDirectory)) {
        IOUtils.rm(destPluginBinDirectory);
      }
      try {
        Files.createDirectories(destPluginBinDirectory.getParent());
        FileSystemUtils.move(sourcePluginBinDirectory, destPluginBinDirectory);
      } catch (IOException e) {
        throw new IOException(
            "Could not move [" + sourcePluginBinDirectory + "] to [" + destPluginBinDirectory + "]",
            e);
      }
      if (Environment.getFileStore(destPluginBinDirectory)
          .supportsFileAttributeView(PosixFileAttributeView.class)) {
        final PosixFileAttributes parentDirAttributes =
            Files.getFileAttributeView(
                    destPluginBinDirectory.getParent(), PosixFileAttributeView.class)
                .readAttributes();
        // copy permissions from parent bin directory
        final Set<PosixFilePermission> filePermissions = new HashSet<>();
        for (PosixFilePermission posixFilePermission : parentDirAttributes.permissions()) {
          switch (posixFilePermission) {
            case OWNER_EXECUTE:
            case GROUP_EXECUTE:
            case OTHERS_EXECUTE:
              break;
            default:
              filePermissions.add(posixFilePermission);
          }
        }
        // add file execute permissions to existing perms, so execution will work.
        filePermissions.add(PosixFilePermission.OWNER_EXECUTE);
        filePermissions.add(PosixFilePermission.GROUP_EXECUTE);
        filePermissions.add(PosixFilePermission.OTHERS_EXECUTE);
        Files.walkFileTree(
            destPluginBinDirectory,
            new SimpleFileVisitor<Path>() {
              @Override
              public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
                  throws IOException {
                if (attrs.isRegularFile()) {
                  setPosixFileAttributes(
                      file,
                      parentDirAttributes.owner(),
                      parentDirAttributes.group(),
                      filePermissions);
                }
                return FileVisitResult.CONTINUE;
              }

              @Override
              public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs)
                  throws IOException {
                setPosixFileAttributes(
                    dir,
                    parentDirAttributes.owner(),
                    parentDirAttributes.group(),
                    parentDirAttributes.permissions());
                return FileVisitResult.CONTINUE;
              }
            });
      } else {
        terminal.println(
            VERBOSE, "Skipping posix permissions - filestore doesn't support posix permission");
      }
      terminal.println(
          VERBOSE, "Installed %s into %s", pluginName, destPluginBinDirectory.toAbsolutePath());
    }
  }