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 CredentialsProvider} that always uses the same information.
52 */
53 public class UsernamePasswordCredentialsProvider extends CredentialsProvider {
54 private String username;
55
56 private char[] password;
57
58 /**
59 * Initialize the provider with a single username and password.
60 *
61 * @param username
62 * @param password
63 */
64 public UsernamePasswordCredentialsProvider(String username, String password) {
65 this(username, password.toCharArray());
66 }
67
68 /**
69 * Initialize the provider with a single username and password.
70 *
71 * @param username
72 * @param password
73 */
74 public UsernamePasswordCredentialsProvider(String username, char[] password) {
75 this.username = username;
76 this.password = password;
77 }
78
79 @Override
80 public boolean isInteractive() {
81 return false;
82 }
83
84 @Override
85 public boolean supports(CredentialItem... items) {
86 for (CredentialItem i : items) {
87 if (i instanceof CredentialItem.Username)
88 continue;
89
90 else if (i instanceof CredentialItem.Password)
91 continue;
92
93 else
94 return false;
95 }
96 return true;
97 }
98
99 @Override
100 public boolean get(URIish uri, CredentialItem... items)
101 throws UnsupportedCredentialItem {
102 for (CredentialItem i : items) {
103 if (i instanceof CredentialItem.Username) {
104 ((CredentialItem.Username) i).setValue(username);
105 continue;
106 }
107 if (i instanceof CredentialItem.Password) {
108 ((CredentialItem.Password) i).setValue(password);
109 continue;
110 }
111 if (i instanceof CredentialItem.StringType) {
112 if (i.getPromptText().equals("Password: ")) { //$NON-NLS-1$
113 ((CredentialItem.StringType) i).setValue(new String(
114 password));
115 continue;
116 }
117 }
118 throw new UnsupportedCredentialItem(uri, i.getClass().getName()
119 + ":" + i.getPromptText()); //$NON-NLS-1$
120 }
121 return true;
122 }
123
124 /** Destroy the saved username and password.. */
125 public void clear() {
126 username = null;
127
128 if (password != null) {
129 Arrays.fill(password, (char) 0);
130 password = null;
131 }
132 }
133 }