1 /*
2 * Copyright (C) 2010, Google Inc.
3 * and other copyright owners as documented in the project's IP log.
4 *
5 * This program and the accompanying materials are made available
6 * under the terms of the Eclipse Distribution License v1.0 which
7 * accompanies this distribution, is reproduced below, and is
8 * available at http://www.eclipse.org/org/documents/edl-v10.php
9 *
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials provided
22 * with the distribution.
23 *
24 * - Neither the name of the Eclipse Foundation, Inc. nor the
25 * names of its contributors may be used to endorse or promote
26 * products derived from this software without specific prior
27 * written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
30 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
31 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
34 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
38 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 */
43
44 package org.eclipse.jgit.transport;
45
46 import java.util.Arrays;
47
48 import org.eclipse.jgit.errors.UnsupportedCredentialItem;
49
50 /**
51 * Simple {@link org.eclipse.jgit.transport.CredentialsProvider} that always
52 * uses the same information.
53 */
54 public class UsernamePasswordCredentialsProvider extends CredentialsProvider {
55 private String username;
56
57 private char[] password;
58
59 /**
60 * Initialize the provider with a single username and password.
61 *
62 * @param username
63 * user name
64 * @param password
65 * password
66 */
67 public UsernamePasswordCredentialsProvider(String username, String password) {
68 this(username, password.toCharArray());
69 }
70
71 /**
72 * Initialize the provider with a single username and password.
73 *
74 * @param username
75 * user name
76 * @param password
77 * password
78 */
79 public UsernamePasswordCredentialsProvider(String username, char[] password) {
80 this.username = username;
81 this.password = password;
82 }
83
84 /** {@inheritDoc} */
85 @Override
86 public boolean isInteractive() {
87 return false;
88 }
89
90 /** {@inheritDoc} */
91 @Override
92 public boolean supports(CredentialItem... items) {
93 for (CredentialItem i : items) {
94 if (i instanceof CredentialItem.Username)
95 continue;
96
97 else if (i instanceof CredentialItem.Password)
98 continue;
99
100 else
101 return false;
102 }
103 return true;
104 }
105
106 /** {@inheritDoc} */
107 @Override
108 public boolean get(URIish uri, CredentialItem... items)
109 throws UnsupportedCredentialItem {
110 for (CredentialItem i : items) {
111 if (i instanceof CredentialItem.Username) {
112 ((CredentialItem.Username) i).setValue(username);
113 continue;
114 }
115 if (i instanceof CredentialItem.Password) {
116 ((CredentialItem.Password) i).setValue(password);
117 continue;
118 }
119 if (i instanceof CredentialItem.StringType) {
120 if (i.getPromptText().equals("Password: ")) { //$NON-NLS-1$
121 ((CredentialItem.StringType) i).setValue(new String(
122 password));
123 continue;
124 }
125 }
126 throw new UnsupportedCredentialItem(uri, i.getClass().getName()
127 + ":" + i.getPromptText()); //$NON-NLS-1$
128 }
129 return true;
130 }
131
132 /**
133 * Destroy the saved username and password..
134 */
135 public void clear() {
136 username = null;
137
138 if (password != null) {
139 Arrays.fill(password, (char) 0);
140 password = null;
141 }
142 }
143 }