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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 :
21 : #include "encryptorimpl.hxx"
22 : #include <com/sun/star/xml/crypto/XXMLEncryptionTemplate.hpp>
23 : #include <com/sun/star/xml/wrapper/XXMLElementWrapper.hpp>
24 : #include <com/sun/star/lang/XMultiServiceFactory.hpp>
25 :
26 : namespace cssu = com::sun::star::uno;
27 : namespace cssl = com::sun::star::lang;
28 : namespace cssxc = com::sun::star::xml::crypto;
29 : namespace cssxw = com::sun::star::xml::wrapper;
30 :
31 : #define SERVICE_NAME "com.sun.star.xml.crypto.sax.Encryptor"
32 : #define IMPLEMENTATION_NAME "com.sun.star.xml.security.framework.EncryptorImpl"
33 :
34 0 : EncryptorImpl::EncryptorImpl( const cssu::Reference< cssl::XMultiServiceFactory >& rxMSF)
35 : {
36 0 : m_nReferenceId = -1;
37 0 : mxMSF = rxMSF;
38 0 : }
39 :
40 0 : EncryptorImpl::~EncryptorImpl()
41 : {
42 0 : }
43 :
44 0 : bool EncryptorImpl::checkReady() const
45 : /****** EncryptorImpl/checkReady *********************************************
46 : *
47 : * NAME
48 : * checkReady -- checks the conditions for the encryption.
49 : *
50 : * SYNOPSIS
51 : * bReady = checkReady( );
52 : *
53 : * FUNCTION
54 : * checks whether all following conditions are satisfied:
55 : * 1. the result listener is ready;
56 : * 2. the EncryptionEngine is ready.
57 : *
58 : * INPUTS
59 : * empty
60 : *
61 : * RESULT
62 : * bReady - true if all conditions are satisfied, false otherwise
63 : *
64 : * AUTHOR
65 : * Michael Mi
66 : * Email: michael.mi@sun.com
67 : ******************************************************************************/
68 : {
69 0 : sal_Int32 nKeyInc = 0;
70 0 : if (m_nIdOfKeyEC != 0)
71 : {
72 0 : nKeyInc = 1;
73 : }
74 :
75 0 : return (m_xResultListener.is() &&
76 : (m_nReferenceId != -1) &&
77 : (2+nKeyInc == m_nNumOfResolvedReferences) &&
78 0 : EncryptionEngine::checkReady());
79 : }
80 :
81 0 : void EncryptorImpl::notifyResultListener() const
82 : throw (cssu::Exception, cssu::RuntimeException)
83 : /****** DecryptorImpl/notifyResultListener ***********************************
84 : *
85 : * NAME
86 : * notifyResultListener -- notifies the listener about the encryption
87 : * result.
88 : *
89 : * SYNOPSIS
90 : * notifyResultListener( );
91 : *
92 : * FUNCTION
93 : * see NAME.
94 : *
95 : * INPUTS
96 : * empty
97 : *
98 : * RESULT
99 : * empty
100 : *
101 : * AUTHOR
102 : * Michael Mi
103 : * Email: michael.mi@sun.com
104 : ******************************************************************************/
105 : {
106 : cssu::Reference< cssxc::sax::XEncryptionResultListener >
107 0 : xEncryptionResultListener ( m_xResultListener , cssu::UNO_QUERY ) ;
108 :
109 0 : xEncryptionResultListener->encrypted( m_nSecurityId, m_nStatus );
110 0 : }
111 :
112 0 : void EncryptorImpl::startEngine( const cssu::Reference<
113 : cssxc::XXMLEncryptionTemplate >&
114 : xEncryptionTemplate)
115 : throw (cssu::Exception, cssu::RuntimeException)
116 : /****** EncryptorImpl/startEngine ********************************************
117 : *
118 : * NAME
119 : * startEngine -- generates the encryption.
120 : *
121 : * SYNOPSIS
122 : * startEngine( xEncryptionTemplate );
123 : *
124 : * FUNCTION
125 : * generates the encryption element, then if succeeds, updates the link
126 : * of old template element to the new encryption element in
127 : * SAXEventKeeper.
128 : *
129 : * INPUTS
130 : * xEncryptionTemplate - the encryption template to be encrypted.
131 : *
132 : * RESULT
133 : * empty
134 : *
135 : * AUTHOR
136 : * Michael Mi
137 : * Email: michael.mi@sun.com
138 : ******************************************************************************/
139 : {
140 0 : cssu::Reference < cssxc::XXMLEncryptionTemplate > xResultTemplate;
141 :
142 : cssu::Reference< cssxw::XXMLElementWrapper >
143 0 : xXMLElement = m_xSAXEventKeeper->getElement( m_nReferenceId );
144 0 : xEncryptionTemplate->setTarget(xXMLElement);
145 :
146 : try
147 : {
148 0 : xResultTemplate = m_xXMLEncryption->encrypt(
149 0 : xEncryptionTemplate, m_xSecurityEnvironment);
150 0 : m_nStatus = xResultTemplate->getStatus();
151 : }
152 0 : catch( cssu::Exception& )
153 : {
154 0 : m_nStatus = cssxc::SecurityOperationStatus_RUNTIMEERROR_FAILED;
155 : }
156 :
157 0 : if (m_nStatus == cssxc::SecurityOperationStatus_OPERATION_SUCCEEDED)
158 : {
159 : cssu::Reference < cssxw::XXMLElementWrapper > xResultEncryption
160 0 : = xResultTemplate->getTemplate();
161 0 : m_xSAXEventKeeper->setElement(m_nIdOfTemplateEC, xResultEncryption);
162 0 : m_xSAXEventKeeper->setElement(m_nReferenceId, NULL);
163 0 : }
164 0 : }
165 :
166 : /* XReferenceCollector */
167 0 : void SAL_CALL EncryptorImpl::setReferenceCount(sal_Int32)
168 : throw (cssu::Exception, cssu::RuntimeException)
169 : {
170 : /*
171 : * dummp method, because there is only one reference in
172 : * encryption, different from signature.
173 : * so the referenceNumber is always 1
174 : */
175 0 : }
176 :
177 0 : void SAL_CALL EncryptorImpl::setReferenceId( sal_Int32 id )
178 : throw (cssu::Exception, cssu::RuntimeException)
179 : {
180 0 : m_nReferenceId = id;
181 0 : }
182 :
183 : /* XEncryptionResultBroadcaster */
184 0 : void SAL_CALL EncryptorImpl::addEncryptionResultListener( const cssu::Reference< cssxc::sax::XEncryptionResultListener >& listener )
185 : throw (cssu::Exception, cssu::RuntimeException)
186 : {
187 0 : m_xResultListener = listener;
188 0 : tryToPerform();
189 0 : }
190 :
191 0 : void SAL_CALL EncryptorImpl::removeEncryptionResultListener( const cssu::Reference< cssxc::sax::XEncryptionResultListener >&)
192 : throw (cssu::RuntimeException)
193 : {
194 0 : }
195 :
196 : /* XInitialization */
197 0 : void SAL_CALL EncryptorImpl::initialize( const cssu::Sequence< cssu::Any >& aArguments )
198 : throw (cssu::Exception, cssu::RuntimeException)
199 : {
200 : OSL_ASSERT(aArguments.getLength() == 5);
201 :
202 0 : rtl::OUString ouTempString;
203 :
204 0 : aArguments[0] >>= ouTempString;
205 0 : m_nSecurityId = ouTempString.toInt32();
206 0 : aArguments[1] >>= m_xSAXEventKeeper;
207 0 : aArguments[2] >>= ouTempString;
208 0 : m_nIdOfTemplateEC = ouTempString.toInt32();
209 0 : aArguments[3] >>= m_xSecurityEnvironment;
210 0 : aArguments[4] >>= m_xXMLEncryption;
211 0 : }
212 :
213 :
214 0 : rtl::OUString EncryptorImpl_getImplementationName ()
215 : throw (cssu::RuntimeException)
216 : {
217 0 : return rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( IMPLEMENTATION_NAME ) );
218 : }
219 :
220 0 : sal_Bool SAL_CALL EncryptorImpl_supportsService( const rtl::OUString& ServiceName )
221 : throw (cssu::RuntimeException)
222 : {
223 0 : return ServiceName == SERVICE_NAME;
224 : }
225 :
226 0 : cssu::Sequence< rtl::OUString > SAL_CALL EncryptorImpl_getSupportedServiceNames( )
227 : throw (cssu::RuntimeException)
228 : {
229 0 : cssu::Sequence < rtl::OUString > aRet(1);
230 0 : rtl::OUString* pArray = aRet.getArray();
231 0 : pArray[0] = rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
232 0 : return aRet;
233 : }
234 : #undef SERVICE_NAME
235 :
236 0 : cssu::Reference< cssu::XInterface > SAL_CALL EncryptorImpl_createInstance(
237 : const cssu::Reference< cssl::XMultiServiceFactory >& rSMgr)
238 : throw( cssu::Exception )
239 : {
240 0 : return (cppu::OWeakObject*) new EncryptorImpl(rSMgr);
241 : }
242 :
243 : /* XServiceInfo */
244 0 : rtl::OUString SAL_CALL EncryptorImpl::getImplementationName( )
245 : throw (cssu::RuntimeException)
246 : {
247 0 : return EncryptorImpl_getImplementationName();
248 : }
249 0 : sal_Bool SAL_CALL EncryptorImpl::supportsService( const rtl::OUString& rServiceName )
250 : throw (cssu::RuntimeException)
251 : {
252 0 : return EncryptorImpl_supportsService( rServiceName );
253 : }
254 0 : cssu::Sequence< rtl::OUString > SAL_CALL EncryptorImpl::getSupportedServiceNames( )
255 : throw (cssu::RuntimeException)
256 : {
257 0 : return EncryptorImpl_getSupportedServiceNames();
258 : }
259 :
260 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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