1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski
23*b1cdbd2cSJim Jagielski
24*b1cdbd2cSJim Jagielski // MARKER(update_precomp.py): autogen include statement, do not remove
25*b1cdbd2cSJim Jagielski #include "precompiled_xmlsecurity.hxx"
26*b1cdbd2cSJim Jagielski
27*b1cdbd2cSJim Jagielski #include "encryptionengine.hxx"
28*b1cdbd2cSJim Jagielski #include <com/sun/star/xml/crypto/XXMLEncryptionTemplate.hpp>
29*b1cdbd2cSJim Jagielski #include <com/sun/star/xml/wrapper/XXMLElementWrapper.hpp>
30*b1cdbd2cSJim Jagielski #include <com/sun/star/lang/XMultiServiceFactory.hpp>
31*b1cdbd2cSJim Jagielski
32*b1cdbd2cSJim Jagielski namespace cssu = com::sun::star::uno;
33*b1cdbd2cSJim Jagielski namespace cssl = com::sun::star::lang;
34*b1cdbd2cSJim Jagielski namespace cssxc = com::sun::star::xml::crypto;
35*b1cdbd2cSJim Jagielski namespace cssxw = com::sun::star::xml::wrapper;
36*b1cdbd2cSJim Jagielski
37*b1cdbd2cSJim Jagielski #define ENCRYPTION_TEMPLATE "com.sun.star.xml.crypto.XMLEncryptionTemplate"
38*b1cdbd2cSJim Jagielski
39*b1cdbd2cSJim Jagielski #define DECLARE_ASCII( SASCIIVALUE ) \
40*b1cdbd2cSJim Jagielski rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( SASCIIVALUE ) )
41*b1cdbd2cSJim Jagielski
EncryptionEngine()42*b1cdbd2cSJim Jagielski EncryptionEngine::EncryptionEngine( )
43*b1cdbd2cSJim Jagielski :m_nIdOfBlocker(-1)
44*b1cdbd2cSJim Jagielski {
45*b1cdbd2cSJim Jagielski }
46*b1cdbd2cSJim Jagielski
checkReady() const47*b1cdbd2cSJim Jagielski bool EncryptionEngine::checkReady() const
48*b1cdbd2cSJim Jagielski /****** EncryptionEngine/checkReady ******************************************
49*b1cdbd2cSJim Jagielski *
50*b1cdbd2cSJim Jagielski * NAME
51*b1cdbd2cSJim Jagielski * checkReady -- checks the conditions for the main operation.
52*b1cdbd2cSJim Jagielski *
53*b1cdbd2cSJim Jagielski * SYNOPSIS
54*b1cdbd2cSJim Jagielski * bReady = checkReady( );
55*b1cdbd2cSJim Jagielski *
56*b1cdbd2cSJim Jagielski * FUNCTION
57*b1cdbd2cSJim Jagielski * checks whether all following conditions are satisfied:
58*b1cdbd2cSJim Jagielski * 1. the main operation has't begun yet;
59*b1cdbd2cSJim Jagielski * 2. the key material is known;
60*b1cdbd2cSJim Jagielski * 3. the id of the template blocker is known;
61*b1cdbd2cSJim Jagielski * 4. both the key element and the encryption template
62*b1cdbd2cSJim Jagielski * are bufferred.
63*b1cdbd2cSJim Jagielski *
64*b1cdbd2cSJim Jagielski * INPUTS
65*b1cdbd2cSJim Jagielski * empty
66*b1cdbd2cSJim Jagielski *
67*b1cdbd2cSJim Jagielski * RESULT
68*b1cdbd2cSJim Jagielski * bReady - true if all conditions are satisfied, false otherwise
69*b1cdbd2cSJim Jagielski *
70*b1cdbd2cSJim Jagielski * HISTORY
71*b1cdbd2cSJim Jagielski * 05.01.2004 - implemented
72*b1cdbd2cSJim Jagielski *
73*b1cdbd2cSJim Jagielski * AUTHOR
74*b1cdbd2cSJim Jagielski * Michael Mi
75*b1cdbd2cSJim Jagielski * Email: michael.mi@sun.com
76*b1cdbd2cSJim Jagielski ******************************************************************************/
77*b1cdbd2cSJim Jagielski {
78*b1cdbd2cSJim Jagielski bool rc = true;
79*b1cdbd2cSJim Jagielski
80*b1cdbd2cSJim Jagielski sal_Int32 nKeyInc = 0;
81*b1cdbd2cSJim Jagielski if (m_nIdOfKeyEC != 0)
82*b1cdbd2cSJim Jagielski {
83*b1cdbd2cSJim Jagielski nKeyInc = 1;
84*b1cdbd2cSJim Jagielski }
85*b1cdbd2cSJim Jagielski
86*b1cdbd2cSJim Jagielski if (m_bMissionDone ||
87*b1cdbd2cSJim Jagielski m_nIdOfKeyEC == -1 ||
88*b1cdbd2cSJim Jagielski m_nIdOfBlocker == -1 ||
89*b1cdbd2cSJim Jagielski 1+nKeyInc > m_nNumOfResolvedReferences )
90*b1cdbd2cSJim Jagielski {
91*b1cdbd2cSJim Jagielski rc = false;
92*b1cdbd2cSJim Jagielski }
93*b1cdbd2cSJim Jagielski
94*b1cdbd2cSJim Jagielski return rc;
95*b1cdbd2cSJim Jagielski }
96*b1cdbd2cSJim Jagielski
tryToPerform()97*b1cdbd2cSJim Jagielski void EncryptionEngine::tryToPerform( )
98*b1cdbd2cSJim Jagielski throw (cssu::Exception, cssu::RuntimeException)
99*b1cdbd2cSJim Jagielski /****** EncryptionEngine/tryToPerform ****************************************
100*b1cdbd2cSJim Jagielski *
101*b1cdbd2cSJim Jagielski * NAME
102*b1cdbd2cSJim Jagielski * tryToPerform -- tries to perform the encryption/decryption operation.
103*b1cdbd2cSJim Jagielski *
104*b1cdbd2cSJim Jagielski * SYNOPSIS
105*b1cdbd2cSJim Jagielski * tryToPerform( );
106*b1cdbd2cSJim Jagielski *
107*b1cdbd2cSJim Jagielski * FUNCTION
108*b1cdbd2cSJim Jagielski * if the situation is ready, perform following operations.
109*b1cdbd2cSJim Jagielski * 1. prepares a encryption template;
110*b1cdbd2cSJim Jagielski * 2. calls the encryption bridge component;
111*b1cdbd2cSJim Jagielski * 3. clears up all used resources;
112*b1cdbd2cSJim Jagielski * 4. notifies the result listener;
113*b1cdbd2cSJim Jagielski * 5. sets the "accomplishment" flag.
114*b1cdbd2cSJim Jagielski *
115*b1cdbd2cSJim Jagielski * INPUTS
116*b1cdbd2cSJim Jagielski * empty
117*b1cdbd2cSJim Jagielski *
118*b1cdbd2cSJim Jagielski * RESULT
119*b1cdbd2cSJim Jagielski * empty
120*b1cdbd2cSJim Jagielski *
121*b1cdbd2cSJim Jagielski * HISTORY
122*b1cdbd2cSJim Jagielski * 05.01.2004 - implemented
123*b1cdbd2cSJim Jagielski *
124*b1cdbd2cSJim Jagielski * AUTHOR
125*b1cdbd2cSJim Jagielski * Michael Mi
126*b1cdbd2cSJim Jagielski * Email: michael.mi@sun.com
127*b1cdbd2cSJim Jagielski ******************************************************************************/
128*b1cdbd2cSJim Jagielski {
129*b1cdbd2cSJim Jagielski if (checkReady())
130*b1cdbd2cSJim Jagielski {
131*b1cdbd2cSJim Jagielski const rtl::OUString sEncryptionTemplate (
132*b1cdbd2cSJim Jagielski RTL_CONSTASCII_USTRINGPARAM( ENCRYPTION_TEMPLATE ) );
133*b1cdbd2cSJim Jagielski cssu::Reference < cssxc::XXMLEncryptionTemplate > xEncryptionTemplate(
134*b1cdbd2cSJim Jagielski mxMSF->createInstance( sEncryptionTemplate ), cssu::UNO_QUERY );
135*b1cdbd2cSJim Jagielski
136*b1cdbd2cSJim Jagielski OSL_ASSERT( xEncryptionTemplate.is() );
137*b1cdbd2cSJim Jagielski
138*b1cdbd2cSJim Jagielski cssu::Reference< cssxw::XXMLElementWrapper > xXMLElement
139*b1cdbd2cSJim Jagielski = m_xSAXEventKeeper->getElement( m_nIdOfTemplateEC );
140*b1cdbd2cSJim Jagielski
141*b1cdbd2cSJim Jagielski xEncryptionTemplate->setTemplate(xXMLElement);
142*b1cdbd2cSJim Jagielski
143*b1cdbd2cSJim Jagielski startEngine( xEncryptionTemplate );
144*b1cdbd2cSJim Jagielski
145*b1cdbd2cSJim Jagielski /*
146*b1cdbd2cSJim Jagielski * done
147*b1cdbd2cSJim Jagielski */
148*b1cdbd2cSJim Jagielski clearUp( );
149*b1cdbd2cSJim Jagielski
150*b1cdbd2cSJim Jagielski notifyResultListener();
151*b1cdbd2cSJim Jagielski
152*b1cdbd2cSJim Jagielski m_bMissionDone = true;
153*b1cdbd2cSJim Jagielski }
154*b1cdbd2cSJim Jagielski }
155*b1cdbd2cSJim Jagielski
clearUp() const156*b1cdbd2cSJim Jagielski void EncryptionEngine::clearUp( ) const
157*b1cdbd2cSJim Jagielski /****** EncryptionEngine/clearup *********************************************
158*b1cdbd2cSJim Jagielski *
159*b1cdbd2cSJim Jagielski * NAME
160*b1cdbd2cSJim Jagielski * clearUp -- clear up all resources used by this operation.
161*b1cdbd2cSJim Jagielski *
162*b1cdbd2cSJim Jagielski * SYNOPSIS
163*b1cdbd2cSJim Jagielski * clearUp( );
164*b1cdbd2cSJim Jagielski *
165*b1cdbd2cSJim Jagielski * FUNCTION
166*b1cdbd2cSJim Jagielski * cleaning resources up includes:
167*b1cdbd2cSJim Jagielski * 1. releases the ElementCollector for the encryption template element;
168*b1cdbd2cSJim Jagielski * 2. releases the Blocker for the encryption template element;
169*b1cdbd2cSJim Jagielski * 3. releases the ElementCollector for the key element, if there is one.
170*b1cdbd2cSJim Jagielski *
171*b1cdbd2cSJim Jagielski * INPUTS
172*b1cdbd2cSJim Jagielski * empty
173*b1cdbd2cSJim Jagielski *
174*b1cdbd2cSJim Jagielski * RESULT
175*b1cdbd2cSJim Jagielski * empty
176*b1cdbd2cSJim Jagielski *
177*b1cdbd2cSJim Jagielski * HISTORY
178*b1cdbd2cSJim Jagielski * 05.01.2004 - implemented
179*b1cdbd2cSJim Jagielski *
180*b1cdbd2cSJim Jagielski * AUTHOR
181*b1cdbd2cSJim Jagielski * Michael Mi
182*b1cdbd2cSJim Jagielski * Email: michael.mi@sun.com
183*b1cdbd2cSJim Jagielski ******************************************************************************/
184*b1cdbd2cSJim Jagielski {
185*b1cdbd2cSJim Jagielski cssu::Reference < cssxc::sax::XReferenceResolvedBroadcaster >
186*b1cdbd2cSJim Jagielski xReferenceResolvedBroadcaster( m_xSAXEventKeeper, cssu::UNO_QUERY );
187*b1cdbd2cSJim Jagielski
188*b1cdbd2cSJim Jagielski xReferenceResolvedBroadcaster->removeReferenceResolvedListener(
189*b1cdbd2cSJim Jagielski m_nIdOfTemplateEC,
190*b1cdbd2cSJim Jagielski (const cssu::Reference < cssxc::sax::XReferenceResolvedListener >)((SecurityEngine *)this));
191*b1cdbd2cSJim Jagielski
192*b1cdbd2cSJim Jagielski m_xSAXEventKeeper->removeElementCollector(m_nIdOfTemplateEC);
193*b1cdbd2cSJim Jagielski
194*b1cdbd2cSJim Jagielski if (m_nIdOfBlocker != -1)
195*b1cdbd2cSJim Jagielski {
196*b1cdbd2cSJim Jagielski m_xSAXEventKeeper->removeBlocker(m_nIdOfBlocker);
197*b1cdbd2cSJim Jagielski }
198*b1cdbd2cSJim Jagielski
199*b1cdbd2cSJim Jagielski if (m_nIdOfKeyEC != 0 && m_nIdOfKeyEC != -1)
200*b1cdbd2cSJim Jagielski {
201*b1cdbd2cSJim Jagielski m_xSAXEventKeeper->removeElementCollector(m_nIdOfKeyEC);
202*b1cdbd2cSJim Jagielski }
203*b1cdbd2cSJim Jagielski }
204*b1cdbd2cSJim Jagielski
205*b1cdbd2cSJim Jagielski /* XBlockerMonitor */
setBlockerId(sal_Int32 id)206*b1cdbd2cSJim Jagielski void SAL_CALL EncryptionEngine::setBlockerId( sal_Int32 id )
207*b1cdbd2cSJim Jagielski throw (com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException)
208*b1cdbd2cSJim Jagielski {
209*b1cdbd2cSJim Jagielski m_nIdOfBlocker = id;
210*b1cdbd2cSJim Jagielski tryToPerform();
211*b1cdbd2cSJim Jagielski }
212*b1cdbd2cSJim Jagielski
213