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 "decryptorimpl.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.Decryptor"
38 #define IMPLEMENTATION_NAME "com.sun.star.xml.security.framework.DecryptorImpl"
39
40 #define DECLARE_ASCII( SASCIIVALUE ) \
41 rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( SASCIIVALUE ) )
42
DecryptorImpl(const cssu::Reference<cssl::XMultiServiceFactory> & rxMSF)43 DecryptorImpl::DecryptorImpl( const cssu::Reference< cssl::XMultiServiceFactory >& rxMSF)
44 {
45 mxMSF = rxMSF;
46 }
47
~DecryptorImpl()48 DecryptorImpl::~DecryptorImpl()
49 {
50 }
51
checkReady() const52 bool DecryptorImpl::checkReady() const
53 /****** DecryptorImpl/checkReady *********************************************
54 *
55 * NAME
56 * checkReady -- checks the conditions for the decryption.
57 *
58 * SYNOPSIS
59 * bReady = checkReady( );
60 *
61 * FUNCTION
62 * checks whether all following conditions are satisfied:
63 * 1. the result listener is ready;
64 * 2. the EncryptionEngine is ready.
65 *
66 * INPUTS
67 * empty
68 *
69 * RESULT
70 * bReady - true if all conditions are satisfied, false otherwise
71 *
72 * HISTORY
73 * 05.01.2004 - implemented
74 *
75 * AUTHOR
76 * Michael Mi
77 * Email: michael.mi@sun.com
78 ******************************************************************************/
79 {
80 return (m_xResultListener.is() && EncryptionEngine::checkReady());
81 }
82
notifyResultListener() const83 void DecryptorImpl::notifyResultListener() const
84 /****** DecryptorImpl/notifyResultListener ***********************************
85 *
86 * NAME
87 * notifyResultListener -- notifies the listener about the decryption
88 * result.
89 *
90 * SYNOPSIS
91 * notifyResultListener( );
92 *
93 * FUNCTION
94 * see NAME.
95 *
96 * INPUTS
97 * empty
98 *
99 * RESULT
100 * empty
101 *
102 * HISTORY
103 * 05.01.2004 - implemented
104 *
105 * AUTHOR
106 * Michael Mi
107 * Email: michael.mi@sun.com
108 ******************************************************************************/
109 {
110 cssu::Reference< cssxc::sax::XDecryptionResultListener >
111 xDecryptionResultListener ( m_xResultListener , cssu::UNO_QUERY ) ;
112
113 xDecryptionResultListener->decrypted(m_nSecurityId,m_nStatus);
114 }
115
startEngine(const cssu::Reference<cssxc::XXMLEncryptionTemplate> & xEncryptionTemplate)116 void DecryptorImpl::startEngine( const cssu::Reference<
117 cssxc::XXMLEncryptionTemplate >&
118 xEncryptionTemplate)
119 /****** DecryptorImpl/startEngine ********************************************
120 *
121 * NAME
122 * startEngine -- decrypts the encryption.
123 *
124 * SYNOPSIS
125 * startEngine( xEncryptionTemplate );
126 *
127 * FUNCTION
128 * decrypts the encryption element, then if succeeds, updates the link
129 * of old template element to the new encryption element in
130 * SAXEventKeeper.
131 *
132 * INPUTS
133 * xEncryptionTemplate - the encryption template to be decrypted.
134 *
135 * RESULT
136 * empty
137 *
138 * HISTORY
139 * 05.01.2004 - implemented
140 *
141 * AUTHOR
142 * Michael Mi
143 * Email: michael.mi@sun.com
144 ******************************************************************************/
145 {
146 cssu::Reference< cssxc::XXMLEncryptionTemplate > xResultTemplate;
147 try
148 {
149 xResultTemplate = m_xXMLEncryption->decrypt(xEncryptionTemplate, m_xXMLSecurityContext);
150 m_nStatus = xResultTemplate->getStatus();
151 }
152 catch( cssu::Exception& )
153 {
154 m_nStatus = cssxc::SecurityOperationStatus_RUNTIMEERROR_FAILED;
155 }
156
157 if (m_nStatus == cssxc::SecurityOperationStatus_OPERATION_SUCCEEDED)
158 {
159 cssu::Reference< cssxw::XXMLElementWrapper > xDecryptedElement
160 = xResultTemplate->getTemplate();
161 m_xSAXEventKeeper->setElement(m_nIdOfTemplateEC, xDecryptedElement);
162 }
163 }
164
165 /* XDecryptionResultBroadcaster */
addDecryptionResultListener(const cssu::Reference<cssxc::sax::XDecryptionResultListener> & listener)166 void SAL_CALL DecryptorImpl::addDecryptionResultListener( const cssu::Reference< cssxc::sax::XDecryptionResultListener >& listener )
167 {
168 m_xResultListener = listener;
169 tryToPerform();
170 }
171
removeDecryptionResultListener(const cssu::Reference<cssxc::sax::XDecryptionResultListener> &)172 void SAL_CALL DecryptorImpl::removeDecryptionResultListener( const cssu::Reference< cssxc::sax::XDecryptionResultListener >&)
173 {
174 }
175
176 /* XInitialization */
initialize(const cssu::Sequence<cssu::Any> & aArguments)177 void SAL_CALL DecryptorImpl::initialize( const cssu::Sequence< cssu::Any >& aArguments )
178 {
179 OSL_ASSERT(aArguments.getLength() == 5);
180
181 rtl::OUString ouTempString;
182
183 aArguments[0] >>= ouTempString;
184 m_nSecurityId = ouTempString.toInt32();
185 aArguments[1] >>= m_xSAXEventKeeper;
186 aArguments[2] >>= ouTempString;
187 m_nIdOfTemplateEC = ouTempString.toInt32();
188 aArguments[3] >>= m_xXMLSecurityContext;
189 aArguments[4] >>= m_xXMLEncryption;
190 }
191
DecryptorImpl_getImplementationName()192 rtl::OUString DecryptorImpl_getImplementationName ()
193 {
194 return rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( IMPLEMENTATION_NAME ) );
195 }
196
DecryptorImpl_supportsService(const rtl::OUString & ServiceName)197 sal_Bool SAL_CALL DecryptorImpl_supportsService( const rtl::OUString& ServiceName )
198 {
199 return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ));
200 }
201
DecryptorImpl_getSupportedServiceNames()202 cssu::Sequence< rtl::OUString > SAL_CALL DecryptorImpl_getSupportedServiceNames( )
203 {
204 cssu::Sequence < rtl::OUString > aRet(1);
205 rtl::OUString* pArray = aRet.getArray();
206 pArray[0] = rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
207 return aRet;
208 }
209 #undef SERVICE_NAME
210
DecryptorImpl_createInstance(const cssu::Reference<cssl::XMultiServiceFactory> & rSMgr)211 cssu::Reference< cssu::XInterface > SAL_CALL DecryptorImpl_createInstance( const cssu::Reference< cssl::XMultiServiceFactory >& rSMgr)
212 {
213 return (cppu::OWeakObject*) new DecryptorImpl(rSMgr);
214 }
215
216 /* XServiceInfo */
getImplementationName()217 rtl::OUString SAL_CALL DecryptorImpl::getImplementationName( )
218 {
219 return DecryptorImpl_getImplementationName();
220 }
supportsService(const rtl::OUString & rServiceName)221 sal_Bool SAL_CALL DecryptorImpl::supportsService( const rtl::OUString& rServiceName )
222 {
223 return DecryptorImpl_supportsService( rServiceName );
224 }
getSupportedServiceNames()225 cssu::Sequence< rtl::OUString > SAL_CALL DecryptorImpl::getSupportedServiceNames( )
226 {
227 return DecryptorImpl_getSupportedServiceNames();
228 }
229