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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/*******************************************************************************
* Copyright (c) 2018 Liferay, Inc.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Liferay, Inc. - Bug 530063 - CNFE when session replication
* is used with equinox.http.servlet in bridge mode
******************************************************************************/
package org.eclipse.equinox.http.servlet.internal.servlet;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import javax.servlet.http.*;
import org.eclipse.equinox.http.servlet.internal.HttpServiceRuntimeImpl;
import org.eclipse.equinox.http.servlet.internal.context.ContextController;
import org.eclipse.equinox.http.servlet.internal.util.EventListeners;
import org.eclipse.equinox.http.servlet.session.HttpSessionInvalidator;
/**
* @since 1.5
*/
public class HttpSessionTracker implements HttpSessionInvalidator {
public HttpSessionTracker(HttpServiceRuntimeImpl httpServiceRuntime) {
this.httpServiceRuntime = httpServiceRuntime;
}
@Override
public void invalidate(String sessionId, boolean invalidateParent) {
Set<HttpSessionAdaptor> httpSessionAdaptors =
httpSessionAdaptorsMap.remove(sessionId);
if (httpSessionAdaptors == null) {
return;
}
for (HttpSessionAdaptor httpSessionAdaptor : httpSessionAdaptors) {
ContextController contextController =
httpSessionAdaptor.getController();
EventListeners eventListeners =
contextController.getEventListeners();
List<HttpSessionListener> httpSessionListeners = eventListeners.get(
HttpSessionListener.class);
if (!httpSessionListeners.isEmpty()) {
HttpSessionEvent httpSessionEvent = new HttpSessionEvent(
httpSessionAdaptor);
for (HttpSessionListener listener : httpSessionListeners) {
try {
listener.sessionDestroyed(httpSessionEvent);
}
catch (IllegalStateException ise) {
// outer session is already invalidated
}
}
}
List<HttpSessionAttributeListener> httpSessionAttributeListeners =
eventListeners.get(HttpSessionAttributeListener.class);
if (!httpSessionListeners.isEmpty()) {
Enumeration<String> enumeration =
httpSessionAdaptor.getAttributeNames();
while (enumeration.hasMoreElements()) {
HttpSessionBindingEvent httpSessionBindingEvent =
new HttpSessionBindingEvent(
httpSessionAdaptor, enumeration.nextElement());
for (HttpSessionAttributeListener
httpSessionAttributeListener :
httpSessionAttributeListeners) {
httpSessionAttributeListener.attributeRemoved(
httpSessionBindingEvent);
}
}
}
contextController.removeActiveSession(
httpSessionAdaptor.getSession());
if (invalidateParent) {
try {
httpSessionAdaptor.getSession().invalidate();
}
catch (IllegalStateException ise) {
httpServiceRuntime.log(
"Session was already invalidated!", ise); //$NON-NLS-1$
}
}
}
}
public void addHttpSessionAdaptor(
String sessionId, HttpSessionAdaptor httpSessionAdaptor) {
Set<HttpSessionAdaptor> httpSessionAdaptors =
httpSessionAdaptorsMap.get(sessionId);
if (httpSessionAdaptors == null) {
httpSessionAdaptors = Collections.newSetFromMap(
new ConcurrentHashMap<HttpSessionAdaptor, Boolean>());
Set<HttpSessionAdaptor> previousHttpSessionAdaptors =
httpSessionAdaptorsMap.putIfAbsent(
sessionId, httpSessionAdaptors);
if (previousHttpSessionAdaptors != null) {
httpSessionAdaptors = previousHttpSessionAdaptors;
}
}
httpSessionAdaptors.add(httpSessionAdaptor);
}
public void clear() {
// At this point there should be no left over sessions. If
// there are we'll log it because there's some kind of leak.
if (!httpSessionAdaptorsMap.isEmpty()) {
httpServiceRuntime.log(
"There are HttpSessionAdaptors left over. There might be a context or session leak!"); //$NON-NLS-1$
}
}
public boolean removeHttpSessionAdaptor(
String sessionId, HttpSessionAdaptor httpSessionAdaptor) {
Set<HttpSessionAdaptor> httpSessionAdaptors =
httpSessionAdaptorsMap.get(sessionId);
if (httpSessionAdaptors == null) {
return false;
}
try {
return httpSessionAdaptors.remove(httpSessionAdaptor);
}
finally {
if (httpSessionAdaptors.isEmpty()) {
httpSessionAdaptorsMap.remove(sessionId, httpSessionAdaptors);
}
}
}
private final ConcurrentMap<String, Set<HttpSessionAdaptor>>
httpSessionAdaptorsMap =
new ConcurrentHashMap<String, Set<HttpSessionAdaptor>>();
private final HttpServiceRuntimeImpl httpServiceRuntime;
}
|
