1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_xmlsecurity.hxx"
26
27 #include "encryptorimpl.hxx"
28 #include <com/sun/star/xml/crypto/XXMLEncryptionTemplate.hpp>
29 #include <com/sun/star/xml/wrapper/XXMLElementWrapper.hpp>
30 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
31
32 namespace cssu = com::sun::star::uno;
33 namespace cssl = com::sun::star::lang;
34 namespace cssxc = com::sun::star::xml::crypto;
35 namespace cssxw = com::sun::star::xml::wrapper;
36
37 #define SERVICE_NAME "com.sun.star.xml.crypto.sax.Encryptor"
38 #define IMPLEMENTATION_NAME "com.sun.star.xml.security.framework.EncryptorImpl"
39
40 #define DECLARE_ASCII( SASCIIVALUE ) \
41 rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( SASCIIVALUE ) )
42
EncryptorImpl(const cssu::Reference<cssl::XMultiServiceFactory> & rxMSF)43 EncryptorImpl::EncryptorImpl( const cssu::Reference< cssl::XMultiServiceFactory >& rxMSF)
44 {
45 m_nReferenceId = -1;
46 mxMSF = rxMSF;
47 }
48
~EncryptorImpl()49 EncryptorImpl::~EncryptorImpl()
50 {
51 }
52
checkReady() const53 bool EncryptorImpl::checkReady() const
54 /****** EncryptorImpl/checkReady *********************************************
55 *
56 * NAME
57 * checkReady -- checks the conditions for the encryption.
58 *
59 * SYNOPSIS
60 * bReady = checkReady( );
61 *
62 * FUNCTION
63 * checks whether all following conditions are satisfied:
64 * 1. the result listener is ready;
65 * 2. the EncryptionEngine is ready.
66 *
67 * INPUTS
68 * empty
69 *
70 * RESULT
71 * bReady - true if all conditions are satisfied, false otherwise
72 *
73 * HISTORY
74 * 05.01.2004 - implemented
75 *
76 * AUTHOR
77 * Michael Mi
78 * Email: michael.mi@sun.com
79 ******************************************************************************/
80 {
81 sal_Int32 nKeyInc = 0;
82 if (m_nIdOfKeyEC != 0)
83 {
84 nKeyInc = 1;
85 }
86
87 return (m_xResultListener.is() &&
88 (m_nReferenceId != -1) &&
89 (2+nKeyInc == m_nNumOfResolvedReferences) &&
90 EncryptionEngine::checkReady());
91 }
92
notifyResultListener() const93 void EncryptorImpl::notifyResultListener() const
94 /****** DecryptorImpl/notifyResultListener ***********************************
95 *
96 * NAME
97 * notifyResultListener -- notifies the listener about the encryption
98 * result.
99 *
100 * SYNOPSIS
101 * notifyResultListener( );
102 *
103 * FUNCTION
104 * see NAME.
105 *
106 * INPUTS
107 * empty
108 *
109 * RESULT
110 * empty
111 *
112 * HISTORY
113 * 05.01.2004 - implemented
114 *
115 * AUTHOR
116 * Michael Mi
117 * Email: michael.mi@sun.com
118 ******************************************************************************/
119 {
120 cssu::Reference< cssxc::sax::XEncryptionResultListener >
121 xEncryptionResultListener ( m_xResultListener , cssu::UNO_QUERY ) ;
122
123 xEncryptionResultListener->encrypted( m_nSecurityId, m_nStatus );
124 }
125
startEngine(const cssu::Reference<cssxc::XXMLEncryptionTemplate> & xEncryptionTemplate)126 void EncryptorImpl::startEngine( const cssu::Reference<
127 cssxc::XXMLEncryptionTemplate >&
128 xEncryptionTemplate)
129 /****** EncryptorImpl/startEngine ********************************************
130 *
131 * NAME
132 * startEngine -- generates the encryption.
133 *
134 * SYNOPSIS
135 * startEngine( xEncryptionTemplate );
136 *
137 * FUNCTION
138 * generates the encryption element, then if succeeds, updates the link
139 * of old template element to the new encryption element in
140 * SAXEventKeeper.
141 *
142 * INPUTS
143 * xEncryptionTemplate - the encryption template to be encrypted.
144 *
145 * RESULT
146 * empty
147 *
148 * HISTORY
149 * 05.01.2004 - implemented
150 *
151 * AUTHOR
152 * Michael Mi
153 * Email: michael.mi@sun.com
154 ******************************************************************************/
155 {
156 cssu::Reference < cssxc::XXMLEncryptionTemplate > xResultTemplate;
157
158 cssu::Reference< cssxw::XXMLElementWrapper >
159 xXMLElement = m_xSAXEventKeeper->getElement( m_nReferenceId );
160 xEncryptionTemplate->setTarget(xXMLElement);
161
162 try
163 {
164 xResultTemplate = m_xXMLEncryption->encrypt(
165 xEncryptionTemplate, m_xSecurityEnvironment);
166 m_nStatus = xResultTemplate->getStatus();
167 }
168 catch( cssu::Exception& )
169 {
170 m_nStatus = cssxc::SecurityOperationStatus_RUNTIMEERROR_FAILED;
171 }
172
173 if (m_nStatus == cssxc::SecurityOperationStatus_OPERATION_SUCCEEDED)
174 {
175 cssu::Reference < cssxw::XXMLElementWrapper > xResultEncryption
176 = xResultTemplate->getTemplate();
177 m_xSAXEventKeeper->setElement(m_nIdOfTemplateEC, xResultEncryption);
178 m_xSAXEventKeeper->setElement(m_nReferenceId, NULL);
179 }
180 }
181
182 /* XReferenceCollector */
setReferenceCount(sal_Int32)183 void SAL_CALL EncryptorImpl::setReferenceCount(sal_Int32)
184 {
185 /*
186 * dummp method, because there is only one reference in
187 * encryption, different from signature.
188 * so the referenceNumber is always 1
189 */
190 }
191
setReferenceId(sal_Int32 id)192 void SAL_CALL EncryptorImpl::setReferenceId( sal_Int32 id )
193 {
194 m_nReferenceId = id;
195 }
196
197 /* XEncryptionResultBroadcaster */
addEncryptionResultListener(const cssu::Reference<cssxc::sax::XEncryptionResultListener> & listener)198 void SAL_CALL EncryptorImpl::addEncryptionResultListener( const cssu::Reference< cssxc::sax::XEncryptionResultListener >& listener )
199 {
200 m_xResultListener = listener;
201 tryToPerform();
202 }
203
removeEncryptionResultListener(const cssu::Reference<cssxc::sax::XEncryptionResultListener> &)204 void SAL_CALL EncryptorImpl::removeEncryptionResultListener( const cssu::Reference< cssxc::sax::XEncryptionResultListener >&)
205 {
206 }
207
208 /* XInitialization */
initialize(const cssu::Sequence<cssu::Any> & aArguments)209 void SAL_CALL EncryptorImpl::initialize( const cssu::Sequence< cssu::Any >& aArguments )
210 {
211 OSL_ASSERT(aArguments.getLength() == 5);
212
213 rtl::OUString ouTempString;
214
215 aArguments[0] >>= ouTempString;
216 m_nSecurityId = ouTempString.toInt32();
217 aArguments[1] >>= m_xSAXEventKeeper;
218 aArguments[2] >>= ouTempString;
219 m_nIdOfTemplateEC = ouTempString.toInt32();
220 aArguments[3] >>= m_xSecurityEnvironment;
221 aArguments[4] >>= m_xXMLEncryption;
222 }
223
224
EncryptorImpl_getImplementationName()225 rtl::OUString EncryptorImpl_getImplementationName ()
226 {
227 return rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( IMPLEMENTATION_NAME ) );
228 }
229
EncryptorImpl_supportsService(const rtl::OUString & ServiceName)230 sal_Bool SAL_CALL EncryptorImpl_supportsService( const rtl::OUString& ServiceName )
231 {
232 return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ));
233 }
234
EncryptorImpl_getSupportedServiceNames()235 cssu::Sequence< rtl::OUString > SAL_CALL EncryptorImpl_getSupportedServiceNames( )
236 {
237 cssu::Sequence < rtl::OUString > aRet(1);
238 rtl::OUString* pArray = aRet.getArray();
239 pArray[0] = rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
240 return aRet;
241 }
242 #undef SERVICE_NAME
243
EncryptorImpl_createInstance(const cssu::Reference<cssl::XMultiServiceFactory> & rSMgr)244 cssu::Reference< cssu::XInterface > SAL_CALL EncryptorImpl_createInstance(
245 const cssu::Reference< cssl::XMultiServiceFactory >& rSMgr)
246 {
247 return (cppu::OWeakObject*) new EncryptorImpl(rSMgr);
248 }
249
250 /* XServiceInfo */
getImplementationName()251 rtl::OUString SAL_CALL EncryptorImpl::getImplementationName( )
252 {
253 return EncryptorImpl_getImplementationName();
254 }
supportsService(const rtl::OUString & rServiceName)255 sal_Bool SAL_CALL EncryptorImpl::supportsService( const rtl::OUString& rServiceName )
256 {
257 return EncryptorImpl_supportsService( rServiceName );
258 }
getSupportedServiceNames()259 cssu::Sequence< rtl::OUString > SAL_CALL EncryptorImpl::getSupportedServiceNames( )
260 {
261 return EncryptorImpl_getSupportedServiceNames();
262 }
263