xref: /AOO41X/main/xmlsecurity/source/helper/xsecsign.cxx (revision 06b3ce531745799678cf4bb887ef37436d81238b)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_xmlsecurity.hxx"
26 
27 #include <xsecctl.hxx>
28 #include <tools/debug.hxx>
29 
30 #include <com/sun/star/xml/crypto/sax/XKeyCollector.hpp>
31 #include <com/sun/star/xml/crypto/sax/ElementMarkPriority.hpp>
32 #include <com/sun/star/xml/crypto/sax/XReferenceResolvedBroadcaster.hpp>
33 #include <com/sun/star/xml/crypto/sax/XBlockerMonitor.hpp>
34 #include <com/sun/star/xml/crypto/sax/XReferenceCollector.hpp>
35 #include <com/sun/star/xml/crypto/sax/XSignatureCreationResultBroadcaster.hpp>
36 #include <com/sun/star/io/XActiveDataSource.hpp>
37 #include <rtl/uuid.h>
38 
39 #include <stdio.h>
40 
41 namespace cssu = com::sun::star::uno;
42 namespace cssl = com::sun::star::lang;
43 namespace cssxc = com::sun::star::xml::crypto;
44 namespace cssxs = com::sun::star::xml::sax;
45 
46 /* xml security framework components */
47 #define SIGNATURECREATOR_COMPONENT "com.sun.star.xml.crypto.sax.SignatureCreator"
48 
49 /* protected: for signature generation */
createId()50 rtl::OUString XSecController::createId()
51 {
52     cssu::Sequence< sal_Int8 > aSeq( 16 );
53     rtl_createUuid ((sal_uInt8 *)aSeq.getArray(), 0, sal_True);
54 
55     char str[68]="ID_";
56     int length = 3;
57     for (int i=0; i<16; ++i)
58     {
59         length += sprintf(str+length, "%04x", (unsigned char)aSeq[i]);
60     }
61 
62     return rtl::OUString::createFromAscii(str);
63 }
64 
prepareSignatureToWrite(InternalSignatureInformation & internalSignatureInfor)65 cssu::Reference< cssxc::sax::XReferenceResolvedListener > XSecController::prepareSignatureToWrite(
66     InternalSignatureInformation& internalSignatureInfor )
67 {
68     sal_Int32 nSecurityId = internalSignatureInfor.signatureInfor.nSecurityId;
69     SignatureReferenceInformations& vReferenceInfors = internalSignatureInfor.signatureInfor.vSignatureReferenceInfors;
70 
71     sal_Int32 nIdOfSignatureElementCollector;
72     cssu::Reference< cssxc::sax::XReferenceResolvedListener > xReferenceResolvedListener;
73 
74     nIdOfSignatureElementCollector =
75         m_xSAXEventKeeper->addSecurityElementCollector( cssxc::sax::ElementMarkPriority_AFTERMODIFY, sal_True );
76 
77     m_xSAXEventKeeper->setSecurityId(nIdOfSignatureElementCollector, nSecurityId);
78 
79         /*
80          * create a SignatureCreator
81          */
82     cssu::Reference< cssl::XMultiComponentFactory > xMCF( mxCtx->getServiceManager() );
83     xReferenceResolvedListener = cssu::Reference< cssxc::sax::XReferenceResolvedListener >(
84         xMCF->createInstanceWithContext(
85             rtl::OUString::createFromAscii(SIGNATURECREATOR_COMPONENT), mxCtx),
86         cssu::UNO_QUERY);
87 
88     cssu::Reference<cssl::XInitialization> xInitialization(xReferenceResolvedListener, cssu::UNO_QUERY);
89 
90     cssu::Sequence<cssu::Any> args(5);
91     args[0] = cssu::makeAny(rtl::OUString::valueOf(nSecurityId));
92     args[1] = cssu::makeAny(m_xSAXEventKeeper);
93     args[2] = cssu::makeAny(rtl::OUString::valueOf(nIdOfSignatureElementCollector));
94 
95     //i39448 : for nss, the internal module is used for signing, which needs to be improved later
96     sal_Int32 nEnvIndex = internalSignatureInfor.signatureInfor.nSecurityEnvironmentIndex;
97     if( nEnvIndex < 0 || nEnvIndex >= m_xSecurityContext->getSecurityEnvironmentNumber())
98     {// set defaultEnv
99         args[3] = cssu::makeAny(m_xSecurityContext->getSecurityEnvironment());
100     }
101     else
102     {
103         args[3] = cssu::makeAny(m_xSecurityContext->getSecurityEnvironmentByIndex(nEnvIndex));
104     }
105 
106     args[4] = cssu::makeAny(m_xXMLSignature);
107     xInitialization->initialize(args);
108 
109     sal_Int32 nBlockerId = m_xSAXEventKeeper->addBlocker();
110     m_xSAXEventKeeper->setSecurityId(nBlockerId, nSecurityId);
111 
112     cssu::Reference<cssxc::sax::XBlockerMonitor> xBlockerMonitor(xReferenceResolvedListener, cssu::UNO_QUERY);
113     xBlockerMonitor->setBlockerId(nBlockerId);
114 
115     cssu::Reference< cssxc::sax::XSignatureCreationResultBroadcaster >
116         xSignatureCreationResultBroadcaster(xReferenceResolvedListener, cssu::UNO_QUERY);
117 
118     xSignatureCreationResultBroadcaster->addSignatureCreationResultListener( this );
119 
120     cssu::Reference<cssxc::sax::XReferenceResolvedBroadcaster>
121         xReferenceResolvedBroadcaster
122         (m_xSAXEventKeeper,
123         cssu::UNO_QUERY);
124 
125     xReferenceResolvedBroadcaster->addReferenceResolvedListener(
126         nIdOfSignatureElementCollector,
127         xReferenceResolvedListener);
128 
129     cssu::Reference<cssxc::sax::XReferenceCollector> xReferenceCollector
130         (xReferenceResolvedListener, cssu::UNO_QUERY);
131 
132     int i;
133     int size = vReferenceInfors.size();
134     sal_Int32 nReferenceCount = 0;
135 
136     for(i=0; i<size; ++i)
137     {
138         sal_Int32 keeperId = internalSignatureInfor.vKeeperIds[i];
139 
140         if ( keeperId != -1)
141         {
142             m_xSAXEventKeeper->setSecurityId(keeperId, nSecurityId);
143             xReferenceResolvedBroadcaster->addReferenceResolvedListener( keeperId, xReferenceResolvedListener);
144             xReferenceCollector->setReferenceId( keeperId );
145             nReferenceCount++;
146         }
147     }
148 
149     xReferenceCollector->setReferenceCount( nReferenceCount );
150 
151     /*
152      * adds all URI binding
153      */
154     cssu::Reference<cssxc::XUriBinding> xUriBinding
155         (xReferenceResolvedListener, cssu::UNO_QUERY);
156 
157     for(i=0; i<size; ++i)
158     {
159         const SignatureReferenceInformation& refInfor = vReferenceInfors[i];
160 
161         cssu::Reference< com::sun::star::io::XInputStream > xInputStream
162             = getObjectInputStream( refInfor.ouURI );
163 
164         if (xInputStream.is())
165         {
166             xUriBinding->setUriBinding(refInfor.ouURI,xInputStream);
167         }
168     }
169 
170     cssu::Reference<cssxc::sax::XKeyCollector> keyCollector (xReferenceResolvedListener, cssu::UNO_QUERY);
171     keyCollector->setKeyId(0);
172 
173     internalSignatureInfor.signatureInfor.ouSignatureId = createId();
174     internalSignatureInfor.signatureInfor.ouPropertyId = createId();
175     internalSignatureInfor.addReference(TYPE_SAMEDOCUMENT_REFERENCE, internalSignatureInfor.signatureInfor.ouPropertyId, -1 );
176     size++;
177 
178     /*
179      * replace both digestValues and signatueValue to " "
180      */
181     for(i=0; i<size; ++i)
182     {
183         SignatureReferenceInformation& refInfor = vReferenceInfors[i];
184         refInfor.ouDigestValue = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(CHAR_BLANK));
185     }
186 
187     internalSignatureInfor.signatureInfor.ouSignatureValue = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(CHAR_BLANK));
188 
189     return xReferenceResolvedListener;
190 }
191 
192 /* public: for signature generation */
collectToSign(sal_Int32 securityId,const rtl::OUString & referenceId)193 void XSecController::collectToSign( sal_Int32 securityId, const rtl::OUString& referenceId )
194 {
195     /* DBG_ASSERT( m_xSAXEventKeeper.is(), "the SAXEventKeeper is NULL" ); */
196 
197     chainOn(true);
198 
199     if ( m_nStatusOfSecurityComponents == INITIALIZED )
200     /*
201      * if all security components are ready, add a signature.
202      */
203     {
204         sal_Int32 nKeeperId = m_xSAXEventKeeper->addSecurityElementCollector(
205             cssxc::sax::ElementMarkPriority_AFTERMODIFY, sal_False);
206 
207         int index = findSignatureInfor( securityId );
208 
209         if ( index == -1 )
210         {
211             InternalSignatureInformation isi(securityId, NULL);
212             isi.addReference(TYPE_SAMEDOCUMENT_REFERENCE, referenceId, nKeeperId );
213             m_vInternalSignatureInformations.push_back( isi );
214         }
215         else
216         {
217             m_vInternalSignatureInformations[index].addReference(TYPE_SAMEDOCUMENT_REFERENCE, referenceId, nKeeperId );
218         }
219     }
220 }
221 
signAStream(sal_Int32 securityId,const rtl::OUString & uri,const rtl::OUString &,sal_Bool isBinary)222 void XSecController::signAStream( sal_Int32 securityId, const rtl::OUString& uri, const rtl::OUString& /*objectURL*/, sal_Bool isBinary)
223 {
224         sal_Int32 type = ((isBinary==sal_True)?TYPE_BINARYSTREAM_REFERENCE:TYPE_XMLSTREAM_REFERENCE);
225 
226     int index = findSignatureInfor( securityId );
227 
228     if (index == -1)
229     {
230         InternalSignatureInformation isi(securityId, NULL);
231         isi.addReference(type, uri, -1);
232         m_vInternalSignatureInformations.push_back( isi );
233     }
234     else
235     {
236         m_vInternalSignatureInformations[index].addReference(type, uri, -1);
237     }
238 }
239 
setX509Certificate(sal_Int32 nSecurityId,const rtl::OUString & ouX509IssuerName,const rtl::OUString & ouX509SerialNumber,const rtl::OUString & ouX509Cert)240 void XSecController::setX509Certificate(
241     sal_Int32 nSecurityId,
242     const rtl::OUString& ouX509IssuerName,
243     const rtl::OUString& ouX509SerialNumber,
244     const rtl::OUString& ouX509Cert)
245 {
246     setX509Certificate(nSecurityId, -1, ouX509IssuerName, ouX509SerialNumber, ouX509Cert);
247 }
248 
setX509Certificate(sal_Int32 nSecurityId,const sal_Int32 nSecurityEnvironmentIndex,const rtl::OUString & ouX509IssuerName,const rtl::OUString & ouX509SerialNumber,const rtl::OUString & ouX509Cert)249 void XSecController::setX509Certificate(
250     sal_Int32 nSecurityId,
251     const sal_Int32 nSecurityEnvironmentIndex,
252     const rtl::OUString& ouX509IssuerName,
253     const rtl::OUString& ouX509SerialNumber,
254     const rtl::OUString& ouX509Cert)
255 {
256     int index = findSignatureInfor( nSecurityId );
257 
258     if ( index == -1 )
259     {
260         InternalSignatureInformation isi(nSecurityId, NULL);
261         isi.signatureInfor.nSecurityEnvironmentIndex = nSecurityEnvironmentIndex;
262         isi.signatureInfor.ouX509IssuerName = ouX509IssuerName;
263         isi.signatureInfor.ouX509SerialNumber = ouX509SerialNumber;
264         isi.signatureInfor.ouX509Certificate = ouX509Cert;
265         m_vInternalSignatureInformations.push_back( isi );
266     }
267     else
268     {
269         SignatureInformation &si
270             = m_vInternalSignatureInformations[index].signatureInfor;
271         si.ouX509IssuerName = ouX509IssuerName;
272         si.ouX509SerialNumber = ouX509SerialNumber;
273         si.ouX509Certificate = ouX509Cert;
274         si.nSecurityEnvironmentIndex = nSecurityEnvironmentIndex;
275     }
276 }
277 
setDate(sal_Int32 nSecurityId,const::com::sun::star::util::DateTime & rDateTime)278 void XSecController::setDate(
279     sal_Int32 nSecurityId,
280     const ::com::sun::star::util::DateTime& rDateTime )
281 {
282     int index = findSignatureInfor( nSecurityId );
283 
284     if ( index == -1 )
285     {
286         InternalSignatureInformation isi(nSecurityId, NULL);
287         isi.signatureInfor.stDateTime = rDateTime;
288         m_vInternalSignatureInformations.push_back( isi );
289     }
290     else
291     {
292         SignatureInformation &si
293             = m_vInternalSignatureInformations[index].signatureInfor;
294         si.stDateTime = rDateTime;
295     }
296 }
297 
WriteSignature(const cssu::Reference<cssxs::XDocumentHandler> & xDocumentHandler)298 bool XSecController::WriteSignature(
299     const cssu::Reference<cssxs::XDocumentHandler>& xDocumentHandler )
300 {
301     bool rc = false;
302 
303     DBG_ASSERT( xDocumentHandler.is(), "I really need a document handler!" );
304 
305     /*
306      * chain the SAXEventKeeper to the SAX chain
307      */
308     chainOn(true);
309 
310     if ( m_nStatusOfSecurityComponents == INITIALIZED )
311     /*
312      * if all security components are ready, add the signature
313      * stream.
314      */
315     {
316         m_bIsSAXEventKeeperSticky = true;
317         m_xSAXEventKeeper->setNextHandler(xDocumentHandler);
318 
319         try
320         {
321             /*
322              * export the signature template
323              */
324             cssu::Reference<cssxs::XDocumentHandler> xSEKHandler( m_xSAXEventKeeper,cssu::UNO_QUERY);
325 
326             int i;
327             int sigNum = m_vInternalSignatureInformations.size();
328 
329             for (i=0; i<sigNum; ++i)
330             {
331                 InternalSignatureInformation &isi = m_vInternalSignatureInformations[i];
332 
333                 /*
334                  * prepare the signature creator
335                  */
336                 isi.xReferenceResolvedListener
337                     = prepareSignatureToWrite( isi );
338 
339                 exportSignature( xSEKHandler, isi.signatureInfor );
340             }
341 
342             m_bIsSAXEventKeeperSticky = false;
343             chainOff();
344 
345             rc = true;
346         }
347         catch( cssxs::SAXException& )
348         {
349             m_pErrorMessage = ERROR_SAXEXCEPTIONDURINGCREATION;
350         }
351         catch( com::sun::star::io::IOException& )
352         {
353             m_pErrorMessage = ERROR_IOEXCEPTIONDURINGCREATION;
354         }
355         catch( cssu::Exception& )
356         {
357             m_pErrorMessage = ERROR_EXCEPTIONDURINGCREATION;
358         }
359 
360         m_xSAXEventKeeper->setNextHandler( NULL );
361         m_bIsSAXEventKeeperSticky = false;
362     }
363     else
364     {
365         m_pErrorMessage = ERROR_CANNOTCREATEXMLSECURITYCOMPONENT;
366     }
367 
368     return rc;
369 }
370 
371