summaryrefslogtreecommitdiff
path: root/xmlsecurity/tools/uno/SecurityEntity.java
blob: 85ef5ed498919753d9acee46c173c9bb10a8d9dc (plain)
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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

package com.sun.star.xml.security.uno;

/* uno classes */
import com.sun.star.uno.UnoRuntime;
import com.sun.star.lang.XMultiComponentFactory;
import com.sun.star.uno.XComponentContext;

import com.sun.star.xml.crypto.*;
import com.sun.star.xml.crypto.sax.*;

/*
 * this class maintains the data for a security operation.
 */
class SecurityEntity
{
    /*
     * the security id, which identifies this security entity
     * uniquely.
     */
    private static int m_nNextSecurityId = 1;
    protected int m_nSecurityId;

    /*
     * xml security related components
     */
    protected XXMLSecurityContext        m_xXMLSecurityContext;
    protected XXMLSignature              m_xXMLSignature;
    protected XXMLEncryption             m_xXMLEncryption;
    protected XMultiComponentFactory     m_xRemoteServiceManager;
    protected XComponentContext          m_xRemoteContext;
    protected XReferenceResolvedListener m_xReferenceResolvedListener;
    protected XSecuritySAXEventKeeper    m_xSAXEventKeeper;

    /*
     * the uri of the key material of this security entity
     */
    private String m_keyURI;

    SecurityEntity(
        XSecuritySAXEventKeeper xSAXEventKeeper,
        XXMLSecurityContext xXMLSecurityContext,
        XXMLSignature xXMLSignature,
        XXMLEncryption xXMLEncryption,
        XMultiComponentFactory xRemoteServiceManager,
        XComponentContext xRemoteContext)
    {
        m_xSAXEventKeeper = xSAXEventKeeper;
        m_xXMLSecurityContext = xXMLSecurityContext;
        m_xXMLSignature = xXMLSignature;
        m_xXMLEncryption = xXMLEncryption;
        m_xRemoteServiceManager = xRemoteServiceManager;
        m_xRemoteContext = xRemoteContext;

        m_nSecurityId = getNextSecurityId();
        m_keyURI = null;
    }

/**************************************************************************************
 * private methods
 **************************************************************************************/

    /*
     * generates a new security id.
     */
    private static int getNextSecurityId()
    {
        int id = m_nNextSecurityId++;
        return id;
    }

/**************************************************************************************
 * protected methods
 **************************************************************************************/

    /*
     * notifies the key collector about the key id, this key id
     * is used to ask the SAXEventKeeper to release the bufferred
     * key element.
     * when the id is 0, that means there is no independant key
     * element needed.
     */
    protected void setKeyId(int id)
    {
        try
        {
            XKeyCollector xKeyCollector =
                (XKeyCollector)UnoRuntime.queryInterface(
                    XKeyCollector.class, m_xReferenceResolvedListener);
            xKeyCollector.setKeyId(id);
        }
        catch( com.sun.star.uno.Exception e)
        {
            e.printStackTrace();
        }
    }

    /*
     * set the key uri, which will be the value of the id attribute
     * of the key element
     */
    protected void setKeyURI(String uri)
    {
        m_keyURI = new String(uri);
    }

    protected XReferenceResolvedListener getReferenceListener()
    {
        return m_xReferenceResolvedListener;
    }

    protected int getSecurityId()
    {
        return m_nSecurityId;
    }

    /*
     * configures the key material to the security entity.
     *
     * if the uri is the key, then:
     * 1. askes the SAXEventKeeper to add a ElementCollector to the key
     * element;
     * 2. notifies the key collector;
     * 3. configures this ElementCollector's security id;
     * 4. tells the SAXEventKeeper which listener will receive the reference
     * resolved notification.
     */
    protected boolean setKey(String uri, boolean isExporting)
    {
        boolean rc = false;

        if (m_keyURI != null &&
            m_keyURI.equals(uri))
        {
            int referenceId = m_xSAXEventKeeper.addSecurityElementCollector(
                isExporting?
                (ElementMarkPriority.BEFOREMODIFY):(ElementMarkPriority.AFTERMODIFY),
                false );

            setKeyId(referenceId);
            m_xSAXEventKeeper.setSecurityId(referenceId, m_nSecurityId);

            XReferenceResolvedBroadcaster xReferenceResolvedBroadcaster =
                (XReferenceResolvedBroadcaster)UnoRuntime.queryInterface(
                    XReferenceResolvedBroadcaster.class, m_xSAXEventKeeper);

            xReferenceResolvedBroadcaster.addReferenceResolvedListener(referenceId, m_xReferenceResolvedListener);

            rc = true;
        }

        return rc;
    }

    /*
     * ends this misstion, asks the security engine to clear up all
     * resources.
     */
    protected boolean endMission()
    {
        XMissionTaker xMissionTaker =
            (XMissionTaker)UnoRuntime.queryInterface(
                XMissionTaker.class, m_xReferenceResolvedListener);

        boolean rc = xMissionTaker.endMission();

        m_xXMLSecurityContext = null;
        m_xXMLSignature = null;
        m_xXMLEncryption = null;
        m_xReferenceResolvedListener = null;
        m_xSAXEventKeeper = null;

        return rc;
    }
}