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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 : #include <comphelper/processfactory.hxx>
26 : #include <cppuhelper/supportsservice.hxx>
27 :
28 : using namespace com::sun::star::uno;
29 : namespace cssu = com::sun::star::uno;
30 : namespace cssl = com::sun::star::lang;
31 : namespace cssxc = com::sun::star::xml::crypto;
32 : namespace cssxw = com::sun::star::xml::wrapper;
33 :
34 : #define SERVICE_NAME "com.sun.star.xml.crypto.sax.SignatureCreator"
35 : #define IMPLEMENTATION_NAME "com.sun.star.xml.security.framework.SignatureCreatorImpl"
36 :
37 0 : SignatureCreatorImpl::SignatureCreatorImpl( const Reference<XComponentContext> & xContext )
38 0 : : SignatureCreatorImpl_Base(xContext), m_nIdOfBlocker(-1)
39 : {
40 0 : }
41 :
42 0 : SignatureCreatorImpl::~SignatureCreatorImpl( )
43 : {
44 0 : }
45 :
46 0 : bool SignatureCreatorImpl::checkReady() const
47 : /****** SignatureCreatorImpl/checkReady **************************************
48 : *
49 : * NAME
50 : * checkReady -- checks the conditions for the signature generation.
51 : *
52 : * SYNOPSIS
53 : * bReady = checkReady( );
54 : *
55 : * FUNCTION
56 : * checks whether all following conditions are satisfied:
57 : * 1. the result listener is ready;
58 : * 2. the id of the template blocker is known;
59 : * 3. the SignatureEngine is ready.
60 : *
61 : * INPUTS
62 : * empty
63 : *
64 : * RESULT
65 : * bReady - true if all conditions are satisfied, false otherwise
66 : *
67 : * AUTHOR
68 : * Michael Mi
69 : * Email: michael.mi@sun.com
70 : ******************************************************************************/
71 : {
72 0 : return (m_xResultListener.is() &&
73 0 : (m_nIdOfBlocker != -1) &&
74 0 : SignatureEngine::checkReady());
75 : }
76 :
77 0 : void SignatureCreatorImpl::notifyResultListener() const
78 : throw (cssu::Exception, cssu::RuntimeException)
79 : /****** SignatureCreatorImpl/notifyResultListener *****************************
80 : *
81 : * NAME
82 : * notifyResultListener -- notifies the listener about the signature
83 : * creation result.
84 : *
85 : * SYNOPSIS
86 : * notifyResultListener( );
87 : *
88 : * FUNCTION
89 : * see NAME.
90 : *
91 : * INPUTS
92 : * empty
93 : *
94 : * RESULT
95 : * empty
96 : *
97 : * AUTHOR
98 : * Michael Mi
99 : * Email: michael.mi@sun.com
100 : ******************************************************************************/
101 : {
102 : cssu::Reference< cssxc::sax::XSignatureCreationResultListener >
103 0 : xSignatureCreationResultListener ( m_xResultListener , cssu::UNO_QUERY ) ;
104 :
105 0 : xSignatureCreationResultListener->signatureCreated( m_nSecurityId, m_nStatus );
106 0 : }
107 :
108 0 : void SignatureCreatorImpl::startEngine( const cssu::Reference<
109 : cssxc::XXMLSignatureTemplate >&
110 : xSignatureTemplate)
111 : throw (cssu::Exception, cssu::RuntimeException)
112 : /****** SignatureCreatorImpl/startEngine *************************************
113 : *
114 : * NAME
115 : * startEngine -- generates the signature.
116 : *
117 : * SYNOPSIS
118 : * startEngine( xSignatureTemplate );
119 : *
120 : * FUNCTION
121 : * generates the signature element, then if succeeds, updates the link
122 : * of old template element to the new signature element in
123 : * SAXEventKeeper.
124 : *
125 : * INPUTS
126 : * xSignatureTemplate - the signature template (along with all referenced
127 : * elements) to be signed.
128 : *
129 : * RESULT
130 : * empty
131 : *
132 : * AUTHOR
133 : * Michael Mi
134 : * Email: michael.mi@sun.com
135 : ******************************************************************************/
136 : {
137 0 : cssu::Reference< cssxc::XXMLSignatureTemplate > xResultTemplate;
138 : try
139 : {
140 0 : xResultTemplate = m_xXMLSignature->generate(xSignatureTemplate, m_xSecurityEnvironment);
141 0 : m_nStatus = xResultTemplate->getStatus();
142 : }
143 0 : catch( cssu::Exception& )
144 : {
145 0 : m_nStatus = cssxc::SecurityOperationStatus_RUNTIMEERROR_FAILED;
146 : }
147 :
148 0 : if (m_nStatus == cssxc::SecurityOperationStatus_OPERATION_SUCCEEDED)
149 : {
150 0 : cssu::Reference < cssxw::XXMLElementWrapper > xResultSignature = xResultTemplate->getTemplate();
151 0 : m_xSAXEventKeeper->setElement(m_nIdOfTemplateEC, xResultSignature);
152 0 : }
153 0 : }
154 :
155 0 : void SignatureCreatorImpl::clearUp() const
156 : /****** SignatureCreatorImpl/clearUp *****************************************
157 : *
158 : * NAME
159 : * clearUp -- clear up all resources used by the signature generation.
160 : *
161 : * SYNOPSIS
162 : * clearUp( );
163 : *
164 : * FUNCTION
165 : * cleaning resources up includes:
166 : * 1. SignatureEngine's clearing up;
167 : * 2. releases the Blocker for the signature template element.
168 : *
169 : * INPUTS
170 : * empty
171 : *
172 : * RESULT
173 : * empty
174 : *
175 : * AUTHOR
176 : * Michael Mi
177 : * Email: michael.mi@sun.com
178 : ******************************************************************************/
179 : {
180 0 : SignatureEngine::clearUp();
181 :
182 0 : if (m_nIdOfBlocker != -1)
183 : {
184 0 : m_xSAXEventKeeper->removeBlocker(m_nIdOfBlocker);
185 : }
186 0 : }
187 :
188 : /* XBlockerMonitor */
189 0 : void SAL_CALL SignatureCreatorImpl::setBlockerId( sal_Int32 id )
190 : throw (cssu::Exception, cssu::RuntimeException, std::exception)
191 : {
192 0 : m_nIdOfBlocker = id;
193 0 : tryToPerform();
194 0 : }
195 :
196 : /* XSignatureCreationResultBroadcaster */
197 0 : void SAL_CALL SignatureCreatorImpl::addSignatureCreationResultListener(
198 : const cssu::Reference< cssxc::sax::XSignatureCreationResultListener >& listener )
199 : throw (cssu::Exception, cssu::RuntimeException, std::exception)
200 : {
201 0 : m_xResultListener = listener;
202 0 : tryToPerform();
203 0 : }
204 :
205 0 : void SAL_CALL SignatureCreatorImpl::removeSignatureCreationResultListener(
206 : const cssu::Reference< cssxc::sax::XSignatureCreationResultListener >&)
207 : throw (cssu::RuntimeException, std::exception)
208 : {
209 0 : }
210 :
211 : /* XInitialization */
212 0 : void SAL_CALL SignatureCreatorImpl::initialize( const cssu::Sequence< cssu::Any >& aArguments )
213 : throw (cssu::Exception, cssu::RuntimeException, std::exception)
214 : {
215 : OSL_ASSERT(aArguments.getLength() == 5);
216 :
217 0 : OUString ouTempString;
218 :
219 0 : aArguments[0] >>= ouTempString;
220 0 : m_nSecurityId = ouTempString.toInt32();
221 0 : aArguments[1] >>= m_xSAXEventKeeper;
222 0 : aArguments[2] >>= ouTempString;
223 0 : m_nIdOfTemplateEC = ouTempString.toInt32();
224 0 : aArguments[3] >>= m_xSecurityEnvironment;
225 0 : aArguments[4] >>= m_xXMLSignature;
226 0 : }
227 :
228 :
229 0 : OUString SignatureCreatorImpl_getImplementationName ()
230 : throw (cssu::RuntimeException)
231 : {
232 0 : return OUString ( IMPLEMENTATION_NAME );
233 : }
234 :
235 0 : cssu::Sequence< OUString > SAL_CALL SignatureCreatorImpl_getSupportedServiceNames( )
236 : throw (cssu::RuntimeException)
237 : {
238 0 : cssu::Sequence < OUString > aRet(1);
239 0 : OUString* pArray = aRet.getArray();
240 0 : pArray[0] = OUString ( SERVICE_NAME );
241 0 : return aRet;
242 : }
243 : #undef SERVICE_NAME
244 :
245 0 : cssu::Reference< cssu::XInterface > SAL_CALL SignatureCreatorImpl_createInstance(
246 : const cssu::Reference< cssl::XMultiServiceFactory >& xMSF )
247 : throw( cssu::Exception )
248 : {
249 0 : return (cppu::OWeakObject*) new SignatureCreatorImpl( comphelper::getComponentContext( xMSF ) );
250 : }
251 :
252 : /* XServiceInfo */
253 0 : OUString SAL_CALL SignatureCreatorImpl::getImplementationName( )
254 : throw (cssu::RuntimeException, std::exception)
255 : {
256 0 : return SignatureCreatorImpl_getImplementationName();
257 : }
258 :
259 0 : sal_Bool SAL_CALL SignatureCreatorImpl::supportsService( const OUString& rServiceName )
260 : throw (cssu::RuntimeException, std::exception)
261 : {
262 0 : return cppu::supportsService(this, rServiceName);
263 : }
264 :
265 0 : cssu::Sequence< OUString > SAL_CALL SignatureCreatorImpl::getSupportedServiceNames( )
266 : throw (cssu::RuntimeException, std::exception)
267 : {
268 0 : return SignatureCreatorImpl_getSupportedServiceNames();
269 : }
270 :
271 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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