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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 "decryptorimpl.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.Decryptor"
32 : #define IMPLEMENTATION_NAME "com.sun.star.xml.security.framework.DecryptorImpl"
33 :
34 0 : DecryptorImpl::DecryptorImpl( const cssu::Reference< cssl::XMultiServiceFactory >& rxMSF)
35 : {
36 0 : mxMSF = rxMSF;
37 0 : }
38 :
39 0 : DecryptorImpl::~DecryptorImpl()
40 : {
41 0 : }
42 :
43 0 : bool DecryptorImpl::checkReady() const
44 : /****** DecryptorImpl/checkReady *********************************************
45 : *
46 : * NAME
47 : * checkReady -- checks the conditions for the decryption.
48 : *
49 : * SYNOPSIS
50 : * bReady = checkReady( );
51 : *
52 : * FUNCTION
53 : * checks whether all following conditions are satisfied:
54 : * 1. the result listener is ready;
55 : * 2. the EncryptionEngine is ready.
56 : *
57 : * INPUTS
58 : * empty
59 : *
60 : * RESULT
61 : * bReady - true if all conditions are satisfied, false otherwise
62 : *
63 : * AUTHOR
64 : * Michael Mi
65 : * Email: michael.mi@sun.com
66 : ******************************************************************************/
67 : {
68 0 : return (m_xResultListener.is() && EncryptionEngine::checkReady());
69 : }
70 :
71 0 : void DecryptorImpl::notifyResultListener() const
72 : throw (cssu::Exception, cssu::RuntimeException)
73 : /****** DecryptorImpl/notifyResultListener ***********************************
74 : *
75 : * NAME
76 : * notifyResultListener -- notifies the listener about the decryption
77 : * result.
78 : *
79 : * SYNOPSIS
80 : * notifyResultListener( );
81 : *
82 : * FUNCTION
83 : * see NAME.
84 : *
85 : * INPUTS
86 : * empty
87 : *
88 : * RESULT
89 : * empty
90 : *
91 : * AUTHOR
92 : * Michael Mi
93 : * Email: michael.mi@sun.com
94 : ******************************************************************************/
95 : {
96 : cssu::Reference< cssxc::sax::XDecryptionResultListener >
97 0 : xDecryptionResultListener ( m_xResultListener , cssu::UNO_QUERY ) ;
98 :
99 0 : xDecryptionResultListener->decrypted(m_nSecurityId,m_nStatus);
100 0 : }
101 :
102 0 : void DecryptorImpl::startEngine( const cssu::Reference<
103 : cssxc::XXMLEncryptionTemplate >&
104 : xEncryptionTemplate)
105 : throw (cssu::Exception, cssu::RuntimeException)
106 : /****** DecryptorImpl/startEngine ********************************************
107 : *
108 : * NAME
109 : * startEngine -- decrypts the encryption.
110 : *
111 : * SYNOPSIS
112 : * startEngine( xEncryptionTemplate );
113 : *
114 : * FUNCTION
115 : * decrypts the encryption element, then if succeeds, updates the link
116 : * of old template element to the new encryption element in
117 : * SAXEventKeeper.
118 : *
119 : * INPUTS
120 : * xEncryptionTemplate - the encryption template to be decrypted.
121 : *
122 : * RESULT
123 : * empty
124 : *
125 : * AUTHOR
126 : * Michael Mi
127 : * Email: michael.mi@sun.com
128 : ******************************************************************************/
129 : {
130 0 : cssu::Reference< cssxc::XXMLEncryptionTemplate > xResultTemplate;
131 : try
132 : {
133 0 : xResultTemplate = m_xXMLEncryption->decrypt(xEncryptionTemplate, m_xXMLSecurityContext);
134 0 : m_nStatus = xResultTemplate->getStatus();
135 : }
136 0 : catch( cssu::Exception& )
137 : {
138 0 : m_nStatus = cssxc::SecurityOperationStatus_RUNTIMEERROR_FAILED;
139 : }
140 :
141 0 : if (m_nStatus == cssxc::SecurityOperationStatus_OPERATION_SUCCEEDED)
142 : {
143 : cssu::Reference< cssxw::XXMLElementWrapper > xDecryptedElement
144 0 : = xResultTemplate->getTemplate();
145 0 : m_xSAXEventKeeper->setElement(m_nIdOfTemplateEC, xDecryptedElement);
146 0 : }
147 0 : }
148 :
149 : /* XDecryptionResultBroadcaster */
150 0 : void SAL_CALL DecryptorImpl::addDecryptionResultListener( const cssu::Reference< cssxc::sax::XDecryptionResultListener >& listener )
151 : throw (cssu::Exception, cssu::RuntimeException)
152 : {
153 0 : m_xResultListener = listener;
154 0 : tryToPerform();
155 0 : }
156 :
157 0 : void SAL_CALL DecryptorImpl::removeDecryptionResultListener( const cssu::Reference< cssxc::sax::XDecryptionResultListener >&)
158 : throw (cssu::RuntimeException)
159 : {
160 0 : }
161 :
162 : /* XInitialization */
163 0 : void SAL_CALL DecryptorImpl::initialize( const cssu::Sequence< cssu::Any >& aArguments )
164 : throw (cssu::Exception, cssu::RuntimeException)
165 : {
166 : OSL_ASSERT(aArguments.getLength() == 5);
167 :
168 0 : rtl::OUString ouTempString;
169 :
170 0 : aArguments[0] >>= ouTempString;
171 0 : m_nSecurityId = ouTempString.toInt32();
172 0 : aArguments[1] >>= m_xSAXEventKeeper;
173 0 : aArguments[2] >>= ouTempString;
174 0 : m_nIdOfTemplateEC = ouTempString.toInt32();
175 0 : aArguments[3] >>= m_xXMLSecurityContext;
176 0 : aArguments[4] >>= m_xXMLEncryption;
177 0 : }
178 :
179 0 : rtl::OUString DecryptorImpl_getImplementationName ()
180 : throw (cssu::RuntimeException)
181 : {
182 0 : return rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( IMPLEMENTATION_NAME ) );
183 : }
184 :
185 0 : sal_Bool SAL_CALL DecryptorImpl_supportsService( const rtl::OUString& ServiceName )
186 : throw (cssu::RuntimeException)
187 : {
188 0 : return ServiceName == SERVICE_NAME;
189 : }
190 :
191 0 : cssu::Sequence< rtl::OUString > SAL_CALL DecryptorImpl_getSupportedServiceNames( )
192 : throw (cssu::RuntimeException)
193 : {
194 0 : cssu::Sequence < rtl::OUString > aRet(1);
195 0 : rtl::OUString* pArray = aRet.getArray();
196 0 : pArray[0] = rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
197 0 : return aRet;
198 : }
199 : #undef SERVICE_NAME
200 :
201 0 : cssu::Reference< cssu::XInterface > SAL_CALL DecryptorImpl_createInstance( const cssu::Reference< cssl::XMultiServiceFactory >& rSMgr)
202 : throw( cssu::Exception )
203 : {
204 0 : return (cppu::OWeakObject*) new DecryptorImpl(rSMgr);
205 : }
206 :
207 : /* XServiceInfo */
208 0 : rtl::OUString SAL_CALL DecryptorImpl::getImplementationName( )
209 : throw (cssu::RuntimeException)
210 : {
211 0 : return DecryptorImpl_getImplementationName();
212 : }
213 0 : sal_Bool SAL_CALL DecryptorImpl::supportsService( const rtl::OUString& rServiceName )
214 : throw (cssu::RuntimeException)
215 : {
216 0 : return DecryptorImpl_supportsService( rServiceName );
217 : }
218 0 : cssu::Sequence< rtl::OUString > SAL_CALL DecryptorImpl::getSupportedServiceNames( )
219 : throw (cssu::RuntimeException)
220 : {
221 0 : return DecryptorImpl_getSupportedServiceNames();
222 : }
223 :
224 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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