Java FsPermission.getOtherAction方法代碼示例

import org.apache.hadoop.fs.permission.FsPermission; //導入方法依賴的package包/類
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));
}
 

import org.apache.hadoop.fs.permission.FsPermission; //導入方法依賴的package包/類
@Override
public void setPinning(ExtendedBlock block) throws IOException {
  if (!blockPinningEnabled) {
    return;
  }

  File f = getBlockFile(block);
  Path p = new Path(f.getAbsolutePath());
  
  FsPermission oldPermission = localFS.getFileStatus(
      new Path(f.getAbsolutePath())).getPermission();
  //sticky bit is used for pinning purpose
  FsPermission permission = new FsPermission(oldPermission.getUserAction(),
      oldPermission.getGroupAction(), oldPermission.getOtherAction(), true);
  localFS.setPermission(p, permission);
}
 

import org.apache.hadoop.fs.permission.FsPermission; //導入方法依賴的package包/類
/**
 * Checks for a given path whether the Other permissions on it imply the permission in the passed
 * FsAction
 * 
 * @return true if the path in the uri is visible to all, false otherwise
 * @throws IOException
 */
public boolean checkPermissionOfOther(FileSystem fs, Path path, FsAction action,
    Map<URI, FileStatus> statCache) throws IOException {
  FileStatus status = getFileStatus(fs, path.toUri(), statCache);
  FsPermission perms = status.getPermission();
  FsAction otherAction = perms.getOtherAction();
  return otherAction.implies(action);
}
 

import org.apache.hadoop.fs.permission.FsPermission; //導入方法依賴的package包/類
/**
 * Set permissions to the required value. Uses the java primitives instead
 * of forking if group == other.
 * @param f the file to change
 * @param permission the new permissions
 * @throws IOException
 */
public static void setPermission(File f, FsPermission permission
                                 ) throws IOException {
  FsAction user = permission.getUserAction();
  FsAction group = permission.getGroupAction();
  FsAction other = permission.getOtherAction();

  // use the native/fork if the group/other permissions are different
  // or if the native is available or on Windows
  if (group != other || NativeIO.isAvailable() || Shell.WINDOWS) {
    execSetPermission(f, permission);
    return;
  }

  boolean rv = true;

  // read perms
  rv = f.setReadable(group.implies(FsAction.READ), false);
  checkReturnValue(rv, f, permission);
  if (group.implies(FsAction.READ) != user.implies(FsAction.READ)) {
    rv = f.setReadable(user.implies(FsAction.READ), true);
    checkReturnValue(rv, f, permission);
  }

  // write perms
  rv = f.setWritable(group.implies(FsAction.WRITE), false);
  checkReturnValue(rv, f, permission);
  if (group.implies(FsAction.WRITE) != user.implies(FsAction.WRITE)) {
    rv = f.setWritable(user.implies(FsAction.WRITE), true);
    checkReturnValue(rv, f, permission);
  }

  // exec perms
  rv = f.setExecutable(group.implies(FsAction.EXECUTE), false);
  checkReturnValue(rv, f, permission);
  if (group.implies(FsAction.EXECUTE) != user.implies(FsAction.EXECUTE)) {
    rv = f.setExecutable(user.implies(FsAction.EXECUTE), true);
    checkReturnValue(rv, f, permission);
  }
}
 

import org.apache.hadoop.fs.permission.FsPermission; //導入方法依賴的package包/類
/**
 * Checks for a given path whether the Other permissions on it 
 * imply the permission in the passed FsAction
 * @param fs
 * @param path
 * @param action
 * @return true if the path in the uri is visible to all, false otherwise
 * @throws IOException
 */
private static boolean checkPermissionOfOther(FileSystem fs, Path path,
    FsAction action, Map<URI, FileStatus> statCache) throws IOException {
  FileStatus status = getFileStatus(fs, path.toUri(), statCache);
  FsPermission perms = status.getPermission();
  FsAction otherAction = perms.getOtherAction();
  if (otherAction.implies(action)) {
    return true;
  }
  return false;
}
 

import org.apache.hadoop.fs.permission.FsPermission; //導入方法依賴的package包/類
private static PermissionStatus addImplicitUwx(PermissionStatus parentPerm,
    PermissionStatus perm) {
  FsPermission p = parentPerm.getPermission();
  FsPermission ancestorPerm = new FsPermission(
      p.getUserAction().or(FsAction.WRITE_EXECUTE),
      p.getGroupAction(),
      p.getOtherAction());
  return new PermissionStatus(perm.getUserName(), perm.getGroupName(),
      ancestorPerm);
}
 

import org.apache.hadoop.fs.permission.FsPermission; //導入方法依賴的package包/類
/**
 * Set permissions to the required value. Uses the java primitives instead
 * of forking if group == other.
 * @param f the file to change
 * @param permission the new permissions
 * @throws IOException
 */
public static void setPermission(File f, FsPermission permission
                                 ) throws IOException {
  FsAction user = permission.getUserAction();
  FsAction group = permission.getGroupAction();
  FsAction other = permission.getOtherAction();

  // use the native/fork if the group/other permissions are different
  // or if the native is available or on Windows
  if (group != other || NativeIO.isAvailable() || Shell.WINDOWS) {
    execSetPermission(f, permission);
    return;
  }
  
  boolean rv = true;
  
  // read perms
  rv = f.setReadable(group.implies(FsAction.READ), false);
  checkReturnValue(rv, f, permission);
  if (group.implies(FsAction.READ) != user.implies(FsAction.READ)) {
    rv = f.setReadable(user.implies(FsAction.READ), true);
    checkReturnValue(rv, f, permission);
  }

  // write perms
  rv = f.setWritable(group.implies(FsAction.WRITE), false);
  checkReturnValue(rv, f, permission);
  if (group.implies(FsAction.WRITE) != user.implies(FsAction.WRITE)) {
    rv = f.setWritable(user.implies(FsAction.WRITE), true);
    checkReturnValue(rv, f, permission);
  }

  // exec perms
  rv = f.setExecutable(group.implies(FsAction.EXECUTE), false);
  checkReturnValue(rv, f, permission);
  if (group.implies(FsAction.EXECUTE) != user.implies(FsAction.EXECUTE)) {
    rv = f.setExecutable(user.implies(FsAction.EXECUTE), true);
    checkReturnValue(rv, f, permission);
  }
}
 

import org.apache.hadoop.fs.permission.FsPermission; //導入方法依賴的package包/類
private static FsPermission ignoreStickyBit(FsPermission original) {
  return new FsPermission(original.getUserAction(),
      original.getGroupAction(), original.getOtherAction());
}
 

import org.apache.hadoop.fs.permission.FsPermission; //導入方法依賴的package包/類
/**
 * Checks for a given path whether the Other permissions on it 
 * imply the permission in the passed FsAction
 * @param fs
 * @param path
 * @param action
 * @return true if the path in the uri is visible to all, false otherwise
 * @throws IOException
 */
private static boolean checkPermissionOfOther(FileSystem fs, Path path,
    FsAction action, LoadingCache<Path,Future<FileStatus>> statCache)
    throws IOException {
  FileStatus status = getFileStatus(fs, path, statCache);
  FsPermission perms = status.getPermission();
  FsAction otherAction = perms.getOtherAction();
  return otherAction.implies(action);
}