author | xuelei |
Sat, 24 Nov 2012 04:09:19 -0800 | |
changeset 14664 | e71aa0962e70 |
parent 5506 | 202f599c92aa |
child 23010 | 6dadb192ad81 |
permissions | -rw-r--r-- |
2 | 1 |
/* |
5506 | 2 |
* Copyright (c) 1996, 2008, Oracle and/or its affiliates. All rights reserved. |
2 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 |
* |
|
5 |
* This code is free software; you can redistribute it and/or modify it |
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
|
5506 | 7 |
* published by the Free Software Foundation. Oracle designates this |
2 | 8 |
* particular file as subject to the "Classpath" exception as provided |
5506 | 9 |
* by Oracle in the LICENSE file that accompanied this code. |
2 | 10 |
* |
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
15 |
* accompanied this code). |
|
16 |
* |
|
17 |
* You should have received a copy of the GNU General Public License version |
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
20 |
* |
|
5506 | 21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
22 |
* or visit www.oracle.com if you need additional information or have any |
|
23 |
* questions. |
|
2 | 24 |
*/ |
25 |
||
26 |
||
27 |
package sun.security.ssl; |
|
28 |
||
29 |
import java.security.SecureRandom; |
|
30 |
||
31 |
/** |
|
32 |
* Encapsulates an SSL session ID. SSL Session IDs are not reused by |
|
33 |
* servers during the lifetime of any sessions it created. Sessions may |
|
34 |
* be used by many connections, either concurrently (for example, two |
|
35 |
* connections to a web server at the same time) or sequentially (over as |
|
36 |
* long a time period as is allowed by a given server). |
|
37 |
* |
|
38 |
* @author Satish Dharmaraj |
|
39 |
* @author David Brownell |
|
40 |
*/ |
|
41 |
final |
|
42 |
class SessionId |
|
43 |
{ |
|
44 |
private byte sessionId []; // max 32 bytes |
|
45 |
||
46 |
/** Constructs a new session ID ... perhaps for a rejoinable session */ |
|
47 |
SessionId (boolean isRejoinable, SecureRandom generator) |
|
48 |
{ |
|
49 |
if (isRejoinable) |
|
50 |
// this will be unique, it's a timestamp plus much randomness |
|
51 |
sessionId = new RandomCookie (generator).random_bytes; |
|
52 |
else |
|
53 |
sessionId = new byte [0]; |
|
54 |
} |
|
55 |
||
56 |
/** Constructs a session ID from a byte array (max size 32 bytes) */ |
|
57 |
SessionId (byte sessionId []) |
|
58 |
{ this.sessionId = sessionId; } |
|
59 |
||
60 |
/** Returns the length of the ID, in bytes */ |
|
61 |
int length () |
|
62 |
{ return sessionId.length; } |
|
63 |
||
64 |
/** Returns the bytes in the ID. May be an empty array. */ |
|
65 |
byte [] getId () |
|
66 |
{ |
|
51 | 67 |
return sessionId.clone (); |
2 | 68 |
} |
69 |
||
70 |
/** Returns the ID as a string */ |
|
14664
e71aa0962e70
8003950: Adds missing Override annotations and removes unnecessary imports in sun.security.ssl
xuelei
parents:
5506
diff
changeset
|
71 |
@Override |
2 | 72 |
public String toString () |
73 |
{ |
|
74 |
int len = sessionId.length; |
|
75 |
StringBuffer s = new StringBuffer (10 + 2 * len); |
|
76 |
||
77 |
s.append ("{"); |
|
78 |
for (int i = 0; i < len; i++) { |
|
79 |
s.append (0x0ff & sessionId [i]); |
|
80 |
if (i != (len - 1)) |
|
81 |
s.append (", "); |
|
82 |
} |
|
83 |
s.append ("}"); |
|
84 |
return s.toString (); |
|
85 |
} |
|
86 |
||
87 |
||
88 |
/** Returns a value which is the same for session IDs which are equal */ |
|
14664
e71aa0962e70
8003950: Adds missing Override annotations and removes unnecessary imports in sun.security.ssl
xuelei
parents:
5506
diff
changeset
|
89 |
@Override |
2 | 90 |
public int hashCode () |
91 |
{ |
|
92 |
int retval = 0; |
|
93 |
||
94 |
for (int i = 0; i < sessionId.length; i++) |
|
95 |
retval += sessionId [i]; |
|
96 |
return retval; |
|
97 |
} |
|
98 |
||
99 |
/** Returns true if the parameter is the same session ID */ |
|
14664
e71aa0962e70
8003950: Adds missing Override annotations and removes unnecessary imports in sun.security.ssl
xuelei
parents:
5506
diff
changeset
|
100 |
@Override |
2 | 101 |
public boolean equals (Object obj) |
102 |
{ |
|
103 |
if (!(obj instanceof SessionId)) |
|
104 |
return false; |
|
105 |
||
106 |
SessionId s = (SessionId) obj; |
|
107 |
byte b [] = s.getId (); |
|
108 |
||
109 |
if (b.length != sessionId.length) |
|
110 |
return false; |
|
111 |
for (int i = 0; i < sessionId.length; i++) { |
|
112 |
if (b [i] != sessionId [i]) |
|
113 |
return false; |
|
114 |
} |
|
115 |
return true; |
|
116 |
} |
|
117 |
} |