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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 "xsecctl.hxx"
22 : #include <tools/debug.hxx>
23 :
24 : #include <com/sun/star/xml/crypto/sax/XKeyCollector.hpp>
25 : #include <com/sun/star/xml/crypto/sax/ElementMarkPriority.hpp>
26 : #include <com/sun/star/xml/crypto/sax/XReferenceResolvedBroadcaster.hpp>
27 : #include <com/sun/star/xml/crypto/sax/XBlockerMonitor.hpp>
28 : #include <com/sun/star/xml/crypto/sax/XReferenceCollector.hpp>
29 : #include <com/sun/star/xml/crypto/sax/XSignatureCreationResultBroadcaster.hpp>
30 : #include <com/sun/star/io/XActiveDataSource.hpp>
31 : #include <rtl/uuid.h>
32 :
33 : #include <stdio.h>
34 :
35 : namespace cssu = com::sun::star::uno;
36 : namespace cssl = com::sun::star::lang;
37 : namespace cssxc = com::sun::star::xml::crypto;
38 : namespace cssxs = com::sun::star::xml::sax;
39 :
40 : /* xml security framework components */
41 : #define SIGNATURECREATOR_COMPONENT "com.sun.star.xml.crypto.sax.SignatureCreator"
42 :
43 : /* protected: for signature generation */
44 0 : OUString XSecController::createId()
45 : {
46 0 : cssu::Sequence< sal_Int8 > aSeq( 16 );
47 0 : rtl_createUuid (reinterpret_cast<sal_uInt8 *>(aSeq.getArray()), 0, sal_True);
48 :
49 0 : char str[68]="ID_";
50 0 : int length = 3;
51 0 : for (int i=0; i<16; ++i)
52 : {
53 0 : length += sprintf(str+length, "%04x", (unsigned char)aSeq[i]);
54 : }
55 :
56 0 : return OUString::createFromAscii(str);
57 : }
58 :
59 0 : cssu::Reference< cssxc::sax::XReferenceResolvedListener > XSecController::prepareSignatureToWrite(
60 : InternalSignatureInformation& internalSignatureInfor )
61 : {
62 0 : sal_Int32 nSecurityId = internalSignatureInfor.signatureInfor.nSecurityId;
63 0 : SignatureReferenceInformations& vReferenceInfors = internalSignatureInfor.signatureInfor.vSignatureReferenceInfors;
64 :
65 : sal_Int32 nIdOfSignatureElementCollector;
66 0 : cssu::Reference< cssxc::sax::XReferenceResolvedListener > xReferenceResolvedListener;
67 :
68 : nIdOfSignatureElementCollector =
69 0 : m_xSAXEventKeeper->addSecurityElementCollector( cssxc::sax::ElementMarkPriority_AFTERMODIFY, sal_True );
70 :
71 0 : m_xSAXEventKeeper->setSecurityId(nIdOfSignatureElementCollector, nSecurityId);
72 :
73 : /*
74 : * create a SignatureCreator
75 : */
76 0 : cssu::Reference< cssl::XMultiComponentFactory > xMCF( mxCtx->getServiceManager() );
77 0 : xReferenceResolvedListener = cssu::Reference< cssxc::sax::XReferenceResolvedListener >(
78 0 : xMCF->createInstanceWithContext(
79 0 : OUString(SIGNATURECREATOR_COMPONENT), mxCtx),
80 0 : cssu::UNO_QUERY);
81 :
82 0 : cssu::Reference<cssl::XInitialization> xInitialization(xReferenceResolvedListener, cssu::UNO_QUERY);
83 :
84 0 : cssu::Sequence<cssu::Any> args(5);
85 0 : args[0] = cssu::makeAny(OUString::number(nSecurityId));
86 0 : args[1] = cssu::makeAny(m_xSAXEventKeeper);
87 0 : args[2] = cssu::makeAny(OUString::number(nIdOfSignatureElementCollector));
88 :
89 : //for nss, the internal module is used for signing, which needs to be improved later
90 0 : sal_Int32 nEnvIndex = internalSignatureInfor.signatureInfor.nSecurityEnvironmentIndex;
91 0 : if( nEnvIndex < 0 || nEnvIndex >= m_xSecurityContext->getSecurityEnvironmentNumber())
92 : {// set defaultEnv
93 0 : args[3] = cssu::makeAny(m_xSecurityContext->getSecurityEnvironment());
94 : }
95 : else
96 : {
97 0 : args[3] = cssu::makeAny(m_xSecurityContext->getSecurityEnvironmentByIndex(nEnvIndex));
98 : }
99 :
100 0 : args[4] = cssu::makeAny(m_xXMLSignature);
101 0 : xInitialization->initialize(args);
102 :
103 0 : sal_Int32 nBlockerId = m_xSAXEventKeeper->addBlocker();
104 0 : m_xSAXEventKeeper->setSecurityId(nBlockerId, nSecurityId);
105 :
106 0 : cssu::Reference<cssxc::sax::XBlockerMonitor> xBlockerMonitor(xReferenceResolvedListener, cssu::UNO_QUERY);
107 0 : xBlockerMonitor->setBlockerId(nBlockerId);
108 :
109 : cssu::Reference< cssxc::sax::XSignatureCreationResultBroadcaster >
110 0 : xSignatureCreationResultBroadcaster(xReferenceResolvedListener, cssu::UNO_QUERY);
111 :
112 0 : xSignatureCreationResultBroadcaster->addSignatureCreationResultListener( this );
113 :
114 : cssu::Reference<cssxc::sax::XReferenceResolvedBroadcaster>
115 : xReferenceResolvedBroadcaster
116 : (m_xSAXEventKeeper,
117 0 : cssu::UNO_QUERY);
118 :
119 0 : xReferenceResolvedBroadcaster->addReferenceResolvedListener(
120 : nIdOfSignatureElementCollector,
121 0 : xReferenceResolvedListener);
122 :
123 : cssu::Reference<cssxc::sax::XReferenceCollector> xReferenceCollector
124 0 : (xReferenceResolvedListener, cssu::UNO_QUERY);
125 :
126 : int i;
127 0 : int size = vReferenceInfors.size();
128 0 : sal_Int32 nReferenceCount = 0;
129 :
130 0 : for(i=0; i<size; ++i)
131 : {
132 0 : sal_Int32 keeperId = internalSignatureInfor.vKeeperIds[i];
133 :
134 0 : if ( keeperId != -1)
135 : {
136 0 : m_xSAXEventKeeper->setSecurityId(keeperId, nSecurityId);
137 0 : xReferenceResolvedBroadcaster->addReferenceResolvedListener( keeperId, xReferenceResolvedListener);
138 0 : xReferenceCollector->setReferenceId( keeperId );
139 0 : nReferenceCount++;
140 : }
141 : }
142 :
143 0 : xReferenceCollector->setReferenceCount( nReferenceCount );
144 :
145 : /*
146 : * adds all URI binding
147 : */
148 : cssu::Reference<cssxc::XUriBinding> xUriBinding
149 0 : (xReferenceResolvedListener, cssu::UNO_QUERY);
150 :
151 0 : for(i=0; i<size; ++i)
152 : {
153 0 : const SignatureReferenceInformation& refInfor = vReferenceInfors[i];
154 :
155 : cssu::Reference< com::sun::star::io::XInputStream > xInputStream
156 0 : = getObjectInputStream( refInfor.ouURI );
157 :
158 0 : if (xInputStream.is())
159 : {
160 0 : xUriBinding->setUriBinding(refInfor.ouURI,xInputStream);
161 : }
162 0 : }
163 :
164 0 : cssu::Reference<cssxc::sax::XKeyCollector> keyCollector (xReferenceResolvedListener, cssu::UNO_QUERY);
165 0 : keyCollector->setKeyId(0);
166 :
167 0 : internalSignatureInfor.signatureInfor.ouSignatureId = createId();
168 0 : internalSignatureInfor.signatureInfor.ouPropertyId = createId();
169 0 : internalSignatureInfor.addReference(TYPE_SAMEDOCUMENT_REFERENCE, internalSignatureInfor.signatureInfor.ouPropertyId, -1 );
170 0 : size++;
171 :
172 : /*
173 : * replace both digestValues and signatueValue to " "
174 : */
175 0 : for(i=0; i<size; ++i)
176 : {
177 0 : SignatureReferenceInformation& refInfor = vReferenceInfors[i];
178 0 : refInfor.ouDigestValue = CHAR_BLANK;
179 : }
180 :
181 0 : internalSignatureInfor.signatureInfor.ouSignatureValue = CHAR_BLANK;
182 :
183 0 : return xReferenceResolvedListener;
184 : }
185 :
186 0 : void XSecController::signAStream( sal_Int32 securityId, const OUString& uri, const OUString& /*objectURL*/, bool isBinary)
187 : {
188 0 : sal_Int32 type = isBinary ? TYPE_BINARYSTREAM_REFERENCE : TYPE_XMLSTREAM_REFERENCE;
189 :
190 0 : int index = findSignatureInfor( securityId );
191 :
192 0 : if (index == -1)
193 : {
194 0 : InternalSignatureInformation isi(securityId, NULL);
195 0 : isi.addReference(type, uri, -1);
196 0 : m_vInternalSignatureInformations.push_back( isi );
197 : }
198 : else
199 : {
200 0 : m_vInternalSignatureInformations[index].addReference(type, uri, -1);
201 : }
202 0 : }
203 :
204 0 : void XSecController::setX509Certificate(
205 : sal_Int32 nSecurityId,
206 : const OUString& ouX509IssuerName,
207 : const OUString& ouX509SerialNumber,
208 : const OUString& ouX509Cert)
209 : {
210 0 : setX509Certificate(nSecurityId, -1, ouX509IssuerName, ouX509SerialNumber, ouX509Cert);
211 0 : }
212 :
213 0 : void XSecController::setX509Certificate(
214 : sal_Int32 nSecurityId,
215 : const sal_Int32 nSecurityEnvironmentIndex,
216 : const OUString& ouX509IssuerName,
217 : const OUString& ouX509SerialNumber,
218 : const OUString& ouX509Cert)
219 : {
220 0 : int index = findSignatureInfor( nSecurityId );
221 :
222 0 : if ( index == -1 )
223 : {
224 0 : InternalSignatureInformation isi(nSecurityId, NULL);
225 0 : isi.signatureInfor.nSecurityEnvironmentIndex = nSecurityEnvironmentIndex;
226 0 : isi.signatureInfor.ouX509IssuerName = ouX509IssuerName;
227 0 : isi.signatureInfor.ouX509SerialNumber = ouX509SerialNumber;
228 0 : isi.signatureInfor.ouX509Certificate = ouX509Cert;
229 0 : m_vInternalSignatureInformations.push_back( isi );
230 : }
231 : else
232 : {
233 : SignatureInformation &si
234 0 : = m_vInternalSignatureInformations[index].signatureInfor;
235 0 : si.ouX509IssuerName = ouX509IssuerName;
236 0 : si.ouX509SerialNumber = ouX509SerialNumber;
237 0 : si.ouX509Certificate = ouX509Cert;
238 0 : si.nSecurityEnvironmentIndex = nSecurityEnvironmentIndex;
239 : }
240 0 : }
241 :
242 0 : void XSecController::setDate(
243 : sal_Int32 nSecurityId,
244 : const ::com::sun::star::util::DateTime& rDateTime )
245 : {
246 0 : int index = findSignatureInfor( nSecurityId );
247 :
248 0 : if ( index == -1 )
249 : {
250 0 : InternalSignatureInformation isi(nSecurityId, NULL);
251 0 : isi.signatureInfor.stDateTime = rDateTime;
252 0 : m_vInternalSignatureInformations.push_back( isi );
253 : }
254 : else
255 : {
256 : SignatureInformation &si
257 0 : = m_vInternalSignatureInformations[index].signatureInfor;
258 0 : si.stDateTime = rDateTime;
259 : }
260 0 : }
261 :
262 0 : bool XSecController::WriteSignature(
263 : const cssu::Reference<cssxs::XDocumentHandler>& xDocumentHandler )
264 : {
265 0 : bool rc = false;
266 :
267 : DBG_ASSERT( xDocumentHandler.is(), "I really need a document handler!" );
268 :
269 : /*
270 : * chain the SAXEventKeeper to the SAX chain
271 : */
272 0 : chainOn(true);
273 :
274 0 : if ( m_nStatusOfSecurityComponents == INITIALIZED )
275 : /*
276 : * if all security components are ready, add the signature
277 : * stream.
278 : */
279 : {
280 0 : m_bIsSAXEventKeeperSticky = true;
281 0 : m_xSAXEventKeeper->setNextHandler(xDocumentHandler);
282 :
283 : try
284 : {
285 : /*
286 : * export the signature template
287 : */
288 0 : cssu::Reference<cssxs::XDocumentHandler> xSEKHandler( m_xSAXEventKeeper,cssu::UNO_QUERY);
289 :
290 : int i;
291 0 : int sigNum = m_vInternalSignatureInformations.size();
292 :
293 0 : for (i=0; i<sigNum; ++i)
294 : {
295 0 : InternalSignatureInformation &isi = m_vInternalSignatureInformations[i];
296 :
297 : /*
298 : * prepare the signature creator
299 : */
300 : isi.xReferenceResolvedListener
301 0 : = prepareSignatureToWrite( isi );
302 :
303 0 : exportSignature( xSEKHandler, isi.signatureInfor );
304 : }
305 :
306 0 : m_bIsSAXEventKeeperSticky = false;
307 0 : chainOff();
308 :
309 0 : rc = true;
310 : }
311 0 : catch( cssxs::SAXException& )
312 : {
313 0 : m_pErrorMessage = ERROR_SAXEXCEPTIONDURINGCREATION;
314 : }
315 0 : catch( com::sun::star::io::IOException& )
316 : {
317 0 : m_pErrorMessage = ERROR_IOEXCEPTIONDURINGCREATION;
318 : }
319 0 : catch( cssu::Exception& )
320 : {
321 0 : m_pErrorMessage = ERROR_EXCEPTIONDURINGCREATION;
322 : }
323 :
324 0 : m_xSAXEventKeeper->setNextHandler( NULL );
325 0 : m_bIsSAXEventKeeperSticky = false;
326 : }
327 : else
328 : {
329 0 : m_pErrorMessage = ERROR_CANNOTCREATEXMLSECURITYCOMPONENT;
330 : }
331 :
332 0 : return rc;
333 : }
334 :
335 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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