1 package org.apache.maven.wagon.providers.ssh.jsch.interactive;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import com.jcraft.jsch.UIKeyboardInteractive;
23 import org.codehaus.plexus.components.interactivity.Prompter;
24 import org.codehaus.plexus.components.interactivity.PrompterException;
25
26 /**
27 * UIKeyboardInteractive that use plexus-prompter.
28 *
29 * <code>UIKeyboardInteractive</code> are usefull when you don't use user with
30 * password authentication with a server that use keyboard-interactive and
31 * doesn't allow password method <code>PasswordAuthentication no</code>.
32 *
33 * @author <a href="mailto:juam at users.sourceforge.net">Juan F. Codagnone</a>
34 * @since Sep 22, 2005
35 *
36 * @plexus.component role="com.jcraft.jsch.UIKeyboardInteractive"
37 */
38 public class PrompterUIKeyboardInteractive
39 implements UIKeyboardInteractive
40 {
41 /**
42 * @plexus.requirement role-hint="default"
43 */
44 private volatile Prompter prompter;
45
46 public PrompterUIKeyboardInteractive()
47 {
48 }
49
50 public PrompterUIKeyboardInteractive( Prompter promper )
51 {
52 this.prompter = promper;
53 }
54
55 /**
56 * @see UIKeyboardInteractive#promptKeyboardInteractive(String,String,
57 *String,String[],boolean[])
58 */
59 public String[] promptKeyboardInteractive( String destination, String name, String instruction, String[] prompt,
60 boolean[] echo )
61 {
62
63 if ( prompt.length != echo.length )
64 {
65 // jcsh is buggy?
66 throw new IllegalArgumentException( "prompt and echo size arrays are different!" );
67 }
68 String[] ret = new String[prompt.length];
69
70 try
71 {
72
73 for ( int i = 0; i < ret.length; i++ )
74 {
75 if ( echo[i] )
76 {
77 ret[i] = prompter.prompt( prompt[i] );
78 }
79 else
80 {
81 ret[i] = prompter.promptForPassword( prompt[i] );
82 }
83 }
84 }
85 catch ( PrompterException e )
86 {
87 // TODO: log
88 // the user canceled?
89 ret = null;
90 }
91
92 return ret;
93 }
94 }