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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 "signaturecreatorimpl.hxx"
22 : #include <com/sun/star/xml/crypto/XXMLSignatureTemplate.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.SignatureCreator"
32 : #define IMPLEMENTATION_NAME "com.sun.star.xml.security.framework.SignatureCreatorImpl"
33 :
34 0 : SignatureCreatorImpl::SignatureCreatorImpl( const cssu::Reference< cssl::XMultiServiceFactory >& rxMSF )
35 0 : :m_nIdOfBlocker(-1)
36 : {
37 0 : mxMSF = rxMSF;
38 0 : }
39 :
40 0 : SignatureCreatorImpl::~SignatureCreatorImpl( )
41 : {
42 0 : }
43 :
44 0 : bool SignatureCreatorImpl::checkReady() const
45 : /****** SignatureCreatorImpl/checkReady **************************************
46 : *
47 : * NAME
48 : * checkReady -- checks the conditions for the signature generation.
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 id of the template blocker is known;
57 : * 3. the SignatureEngine is ready.
58 : *
59 : * INPUTS
60 : * empty
61 : *
62 : * RESULT
63 : * bReady - true if all conditions are satisfied, false otherwise
64 : *
65 : * AUTHOR
66 : * Michael Mi
67 : * Email: michael.mi@sun.com
68 : ******************************************************************************/
69 : {
70 0 : return (m_xResultListener.is() &&
71 : (m_nIdOfBlocker != -1) &&
72 0 : SignatureEngine::checkReady());
73 : }
74 :
75 0 : void SignatureCreatorImpl::notifyResultListener() const
76 : throw (cssu::Exception, cssu::RuntimeException)
77 : /****** SignatureCreatorImpl/notifyResultListener *****************************
78 : *
79 : * NAME
80 : * notifyResultListener -- notifies the listener about the signature
81 : * creation result.
82 : *
83 : * SYNOPSIS
84 : * notifyResultListener( );
85 : *
86 : * FUNCTION
87 : * see NAME.
88 : *
89 : * INPUTS
90 : * empty
91 : *
92 : * RESULT
93 : * empty
94 : *
95 : * AUTHOR
96 : * Michael Mi
97 : * Email: michael.mi@sun.com
98 : ******************************************************************************/
99 : {
100 : cssu::Reference< cssxc::sax::XSignatureCreationResultListener >
101 0 : xSignatureCreationResultListener ( m_xResultListener , cssu::UNO_QUERY ) ;
102 :
103 0 : xSignatureCreationResultListener->signatureCreated( m_nSecurityId, m_nStatus );
104 0 : }
105 :
106 0 : void SignatureCreatorImpl::startEngine( const cssu::Reference<
107 : cssxc::XXMLSignatureTemplate >&
108 : xSignatureTemplate)
109 : throw (cssu::Exception, cssu::RuntimeException)
110 : /****** SignatureCreatorImpl/startEngine *************************************
111 : *
112 : * NAME
113 : * startEngine -- generates the signature.
114 : *
115 : * SYNOPSIS
116 : * startEngine( xSignatureTemplate );
117 : *
118 : * FUNCTION
119 : * generates the signature element, then if succeeds, updates the link
120 : * of old template element to the new signature element in
121 : * SAXEventKeeper.
122 : *
123 : * INPUTS
124 : * xSignatureTemplate - the signature template (along with all referenced
125 : * elements) to be signed.
126 : *
127 : * RESULT
128 : * empty
129 : *
130 : * AUTHOR
131 : * Michael Mi
132 : * Email: michael.mi@sun.com
133 : ******************************************************************************/
134 : {
135 0 : cssu::Reference< cssxc::XXMLSignatureTemplate > xResultTemplate;
136 : try
137 : {
138 0 : xResultTemplate = m_xXMLSignature->generate(xSignatureTemplate, m_xSecurityEnvironment);
139 0 : m_nStatus = xResultTemplate->getStatus();
140 : }
141 0 : catch( cssu::Exception& )
142 : {
143 0 : m_nStatus = cssxc::SecurityOperationStatus_RUNTIMEERROR_FAILED;
144 : }
145 :
146 0 : if (m_nStatus == cssxc::SecurityOperationStatus_OPERATION_SUCCEEDED)
147 : {
148 0 : cssu::Reference < cssxw::XXMLElementWrapper > xResultSignature = xResultTemplate->getTemplate();
149 0 : m_xSAXEventKeeper->setElement(m_nIdOfTemplateEC, xResultSignature);
150 0 : }
151 0 : }
152 :
153 0 : void SignatureCreatorImpl::clearUp() const
154 : /****** SignatureCreatorImpl/clearUp *****************************************
155 : *
156 : * NAME
157 : * clearUp -- clear up all resources used by the signature generation.
158 : *
159 : * SYNOPSIS
160 : * clearUp( );
161 : *
162 : * FUNCTION
163 : * cleaning resources up includes:
164 : * 1. SignatureEngine's clearing up;
165 : * 2. releases the Blocker for the signature template element.
166 : *
167 : * INPUTS
168 : * empty
169 : *
170 : * RESULT
171 : * empty
172 : *
173 : * AUTHOR
174 : * Michael Mi
175 : * Email: michael.mi@sun.com
176 : ******************************************************************************/
177 : {
178 0 : SignatureEngine::clearUp();
179 :
180 0 : if (m_nIdOfBlocker != -1)
181 : {
182 0 : m_xSAXEventKeeper->removeBlocker(m_nIdOfBlocker);
183 : }
184 0 : }
185 :
186 : /* XBlockerMonitor */
187 0 : void SAL_CALL SignatureCreatorImpl::setBlockerId( sal_Int32 id )
188 : throw (cssu::Exception, cssu::RuntimeException)
189 : {
190 0 : m_nIdOfBlocker = id;
191 0 : tryToPerform();
192 0 : }
193 :
194 : /* XSignatureCreationResultBroadcaster */
195 0 : void SAL_CALL SignatureCreatorImpl::addSignatureCreationResultListener(
196 : const cssu::Reference< cssxc::sax::XSignatureCreationResultListener >& listener )
197 : throw (cssu::Exception, cssu::RuntimeException)
198 : {
199 0 : m_xResultListener = listener;
200 0 : tryToPerform();
201 0 : }
202 :
203 0 : void SAL_CALL SignatureCreatorImpl::removeSignatureCreationResultListener(
204 : const cssu::Reference< cssxc::sax::XSignatureCreationResultListener >&)
205 : throw (cssu::RuntimeException)
206 : {
207 0 : }
208 :
209 : /* XInitialization */
210 0 : void SAL_CALL SignatureCreatorImpl::initialize( const cssu::Sequence< cssu::Any >& aArguments )
211 : throw (cssu::Exception, cssu::RuntimeException)
212 : {
213 : OSL_ASSERT(aArguments.getLength() == 5);
214 :
215 0 : rtl::OUString ouTempString;
216 :
217 0 : aArguments[0] >>= ouTempString;
218 0 : m_nSecurityId = ouTempString.toInt32();
219 0 : aArguments[1] >>= m_xSAXEventKeeper;
220 0 : aArguments[2] >>= ouTempString;
221 0 : m_nIdOfTemplateEC = ouTempString.toInt32();
222 0 : aArguments[3] >>= m_xSecurityEnvironment;
223 0 : aArguments[4] >>= m_xXMLSignature;
224 0 : }
225 :
226 :
227 0 : rtl::OUString SignatureCreatorImpl_getImplementationName ()
228 : throw (cssu::RuntimeException)
229 : {
230 0 : return rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( IMPLEMENTATION_NAME ) );
231 : }
232 :
233 0 : sal_Bool SAL_CALL SignatureCreatorImpl_supportsService( const rtl::OUString& ServiceName )
234 : throw (cssu::RuntimeException)
235 : {
236 0 : return ServiceName == SERVICE_NAME;
237 : }
238 :
239 0 : cssu::Sequence< rtl::OUString > SAL_CALL SignatureCreatorImpl_getSupportedServiceNames( )
240 : throw (cssu::RuntimeException)
241 : {
242 0 : cssu::Sequence < rtl::OUString > aRet(1);
243 0 : rtl::OUString* pArray = aRet.getArray();
244 0 : pArray[0] = rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
245 0 : return aRet;
246 : }
247 : #undef SERVICE_NAME
248 :
249 0 : cssu::Reference< cssu::XInterface > SAL_CALL SignatureCreatorImpl_createInstance(
250 : const cssu::Reference< cssl::XMultiServiceFactory >& rSMgr)
251 : throw( cssu::Exception )
252 : {
253 0 : return (cppu::OWeakObject*) new SignatureCreatorImpl( rSMgr );
254 : }
255 :
256 : /* XServiceInfo */
257 0 : rtl::OUString SAL_CALL SignatureCreatorImpl::getImplementationName( )
258 : throw (cssu::RuntimeException)
259 : {
260 0 : return SignatureCreatorImpl_getImplementationName();
261 : }
262 0 : sal_Bool SAL_CALL SignatureCreatorImpl::supportsService( const rtl::OUString& rServiceName )
263 : throw (cssu::RuntimeException)
264 : {
265 0 : return SignatureCreatorImpl_supportsService( rServiceName );
266 : }
267 0 : cssu::Sequence< rtl::OUString > SAL_CALL SignatureCreatorImpl::getSupportedServiceNames( )
268 : throw (cssu::RuntimeException)
269 : {
270 0 : return SignatureCreatorImpl_getSupportedServiceNames();
271 : }
272 :
273 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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