| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.kerby.kerberos.tool.kadmin.command; |
| |
| import org.apache.kerby.kerberos.kerb.KrbException; |
| import org.apache.kerby.kerberos.kerb.admin.kadmin.Kadmin; |
| import org.apache.kerby.kerberos.kerb.admin.kadmin.local.LocalKadmin; |
| |
| import java.io.Console; |
| import java.util.Scanner; |
| |
| public class DeletePrincipalCommand extends KadminCommand { |
| |
| private static final String USAGE = "Usage: delete_principal [options] principal\n" |
| + "This command prompts for deletion, unless the -force option is given.\n" |
| + "\toptions are:\n" |
| + "\t\t[-force]" + " no prompts for deletion."; |
| |
| private Boolean force = false; |
| |
| public DeletePrincipalCommand(LocalKadmin kadmin) { |
| super(kadmin); |
| } |
| |
| @Override |
| public void execute(String input) { |
| String[] commands = input.split(" "); |
| if (commands.length < 2) { |
| System.err.println(USAGE); |
| return; |
| } |
| |
| parseOptions(commands); |
| String principal = commands[commands.length - 1]; |
| |
| if (force) { |
| deletePrincipal(getKadmin(), principal); |
| } else { |
| String reply; |
| Console console = System.console(); |
| String prompt = "Are you sure want to delete the principal? (yes/no, YES/NO, y/n, Y/N) "; |
| if (console == null) { |
| System.out.println("Couldn't get Console instance, " |
| + "maybe you're running this from within an IDE. " |
| + "Use scanner to read password."); |
| Scanner scanner = new Scanner(System.in, "UTF-8"); |
| reply = getReply(scanner, prompt); |
| } else { |
| reply = getReply(console, prompt); |
| } |
| if (reply.equals("yes") || reply.equals("YES") || reply.equals("y") || reply.equals("Y")) { |
| deletePrincipal(getKadmin(), principal); |
| } else if (reply.equals("no") || reply.equals("NO") || reply.equals("n") || reply.equals("N")) { |
| System.out.println("Pincipal \"" + principal + "\" not deleted."); |
| } else { |
| System.err.println("Unknow request, fail to delete the principal."); |
| } |
| } |
| } |
| |
| private void deletePrincipal(Kadmin kadmin, String principal) { |
| try { |
| kadmin.deletePrincipal(principal); |
| System.out.println("Principal \"" + principal + "\" deleted."); |
| } catch (KrbException e) { |
| System.err.println("Fail to delete principal \"" + principal + "\" ." + e.getMessage()); |
| } |
| } |
| |
| private String getReply(Scanner scanner, String prompt) { |
| System.out.println(prompt); |
| return scanner.nextLine().trim(); |
| } |
| |
| private String getReply(Console console, String prompt) { |
| console.printf(prompt); |
| String line = console.readLine(); |
| return line; |
| } |
| |
| private void parseOptions(String[] commands) { |
| if (commands[1].equals("-force")) { |
| force = true; |
| } |
| } |
| } |