1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/*
* Copyright (C) 2009, Google Inc.
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.util;
import java.net.Authenticator;
import java.net.PasswordAuthentication;
import java.util.Collection;
import java.util.concurrent.CopyOnWriteArrayList;
/** Abstract authenticator which remembers prior authentications. */
public abstract class CachedAuthenticator extends Authenticator {
private static final Collection<CachedAuthentication> cached = new CopyOnWriteArrayList<CachedAuthentication>();
/**
* Add a cached authentication for future use.
*
* @param ca
* the information we should remember.
*/
public static void add(final CachedAuthentication ca) {
cached.add(ca);
}
@Override
protected final PasswordAuthentication getPasswordAuthentication() {
final String host = getRequestingHost();
final int port = getRequestingPort();
for (final CachedAuthentication ca : cached) {
if (ca.host.equals(host) && ca.port == port)
return ca.toPasswordAuthentication();
}
PasswordAuthentication pa = promptPasswordAuthentication();
if (pa != null) {
CachedAuthentication ca = new CachedAuthentication(host, port, pa
.getUserName(), new String(pa.getPassword()));
add(ca);
return ca.toPasswordAuthentication();
}
return null;
}
/**
* Prompt for and request authentication from the end-user.
*
* @return the authentication data; null if the user canceled the request
* and does not want to continue.
*/
protected abstract PasswordAuthentication promptPasswordAuthentication();
/** Authentication data to remember and reuse. */
public static class CachedAuthentication {
final String host;
final int port;
final String user;
final String pass;
/**
* Create a new cached authentication.
*
* @param aHost
* system this is for.
* @param aPort
* port number of the service.
* @param aUser
* username at the service.
* @param aPass
* password at the service.
*/
public CachedAuthentication(final String aHost, final int aPort,
final String aUser, final String aPass) {
host = aHost;
port = aPort;
user = aUser;
pass = aPass;
}
PasswordAuthentication toPasswordAuthentication() {
return new PasswordAuthentication(user, pass.toCharArray());
}
}
}
|
