Package org.apache.hadoop.fs.permission

Examples of org.apache.hadoop.fs.permission.FsAction

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   */
  private static boolean checkPermissionOfOther(FileSystem fs, Path path,
      FsAction action) throws IOException {
    FileStatus status = fs.getFileStatus(path);
    FsPermission perms = status.getPermission();
    FsAction otherAction = perms.getOtherAction();
    if (otherAction.implies(action)) {
      return true;
    }
    return false;
  }
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    String fileOwner = fs.getOwner();
    String fileGroup = fs.getGroup();
    FsPermission fsp = fs.getPermissions();

    // Check world-readable
    FsAction otherAction = fsp.getOtherAction();
    if (otherAction == FsAction.ALL ||
        otherAction == FsAction.READ ||
        otherAction == FsAction.READ_EXECUTE ||
        otherAction == FsAction.READ_WRITE) {
      return true;
    }

    // Check group-readable
    // REMIND -- mjc -- implement group-readable testing when we have the user database
    // that will tell us the current logged-in-user's groups.

    // Check owner-readable
    if (currentUser != null && currentUser.equals(fileOwner)) {
      FsAction userAction = fsp.getUserAction();   
      if (userAction == FsAction.ALL ||
          userAction == FsAction.READ ||
          userAction == FsAction.READ_EXECUTE ||
          userAction == FsAction.READ_WRITE) {
        return true;
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  private static boolean checkPublicPermsForAll(FileSystem fs,
        FileStatus status, FsAction dir, FsAction file)
    throws IOException {
    FsPermission perms = status.getPermission();
    FsAction otherAction = perms.getOtherAction();
    if (status.isDirectory()) {
      if (!otherAction.implies(dir)) {
        return false;
      }
     
      for (FileStatus child : fs.listStatus(status.getPath())) {
        if(!checkPublicPermsForAll(fs, child, dir, file)) {
          return false;
        }
      }
      return true;
    }
    return (otherAction.implies(file));
  }
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   */
  private static boolean checkPermissionOfOther(FileSystem fs, Path path,
      FsAction action) throws IOException {
    FileStatus status = fs.getFileStatus(path);
    FsPermission perms = status.getPermission();
    FsAction otherAction = perms.getOtherAction();
    return otherAction.implies(action);
  }
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   */
  public static boolean isActionPermittedForFileHierarchy(FileSystem fs, FileStatus fileStatus,
      String userName, FsAction action) throws IOException {
    boolean isDir = fileStatus.isDir();

    FsAction dirActionNeeded = action;
    if (isDir) {
      // for dirs user needs execute privileges as well
      dirActionNeeded.and(FsAction.EXECUTE);
    }
    if (!isActionPermittedForUser(userName, fileStatus, dirActionNeeded)) {
      return false;
    }

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   */
  public static boolean isActionPermittedForFileHierarchy(FileSystem fs, FileStatus fileStatus,
      String userName, FsAction action) throws IOException {
    boolean isDir = fileStatus.isDir();

    FsAction dirActionNeeded = action;
    if (isDir) {
      // for dirs user needs execute privileges as well
      dirActionNeeded.and(FsAction.EXECUTE);
    }
    if (!isActionPermittedForUser(userName, fileStatus, dirActionNeeded)) {
      return false;
    }

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    }
    return client.removeDirectory(pathName);
  }

  private FsAction getFsAction(int accessGroup, FTPFile ftpFile) {
    FsAction action = FsAction.NONE;
    if (ftpFile.hasPermission(accessGroup, FTPFile.READ_PERMISSION)) {
      action.or(FsAction.READ);
    }
    if (ftpFile.hasPermission(accessGroup, FTPFile.WRITE_PERMISSION)) {
      action.or(FsAction.WRITE);
    }
    if (ftpFile.hasPermission(accessGroup, FTPFile.EXECUTE_PERMISSION)) {
      action.or(FsAction.EXECUTE);
    }
    return action;
  }
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    }
    return action;
  }

  private FsPermission getPermissions(FTPFile ftpFile) {
    FsAction user, group, others;
    user = getFsAction(FTPFile.USER_ACCESS, ftpFile);
    group = getFsAction(FTPFile.GROUP_ACCESS, ftpFile);
    others = getFsAction(FTPFile.WORLD_ACCESS, ftpFile);
    return new FsPermission(user, group, others);
  }
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   */
  private static boolean checkPermissionOfOther(FileSystem fs, Path path,
      FsAction action) throws IOException {
    FileStatus status = fs.getFileStatus(path);
    FsPermission perms = status.getPermission();
    FsAction otherAction = perms.getOtherAction();
    if (otherAction.implies(action)) {
      return true;
    }
    return false;
  }
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    FsPermission actual = stat.getPermission();

    if (!stat.isDirectory())
      throw new DiskErrorException("not a directory: "+ dir.toString());

    FsAction user = actual.getUserAction();
    if (!user.implies(FsAction.READ))
      throw new DiskErrorException("directory is not readable: "
                                   + dir.toString());

    if (!user.implies(FsAction.WRITE))
      throw new DiskErrorException("directory is not writable: "
                                   + dir.toString());

    if (!user.implies(FsAction.EXECUTE))
      throw new DiskErrorException("directory is not listable: "
                                   + dir.toString());
  }
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