LCOV - code coverage report
Current view: top level - xmlsecurity/source/component - documentdigitalsignatures.cxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 192 0.0 %
Date: 2014-04-14 Functions: 0 27 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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             : #include <documentdigitalsignatures.hxx>
      21             : #include <xmlsecurity/digitalsignaturesdialog.hxx>
      22             : #include <xmlsecurity/certificatechooser.hxx>
      23             : #include <xmlsecurity/certificateviewer.hxx>
      24             : #include <xmlsecurity/macrosecurity.hxx>
      25             : #include <xmlsecurity/biginteger.hxx>
      26             : #include <xmlsecurity/global.hrc>
      27             : 
      28             : #include <sax/tools/converter.hxx>
      29             : 
      30             : #include <../dialogs/resourcemanager.hxx>
      31             : #include <com/sun/star/embed/XStorage.hpp>
      32             : #include <com/sun/star/embed/XTransactedObject.hpp>
      33             : #include <com/sun/star/embed/ElementModes.hpp>
      34             : #include <com/sun/star/ucb/XContent.hpp>
      35             : #include <com/sun/star/ucb/XContentIdentifierFactory.hpp>
      36             : #include <com/sun/star/ucb/XCommandEnvironment.hpp>
      37             : #include <com/sun/star/ucb/XCommandProcessor.hpp>
      38             : #include <com/sun/star/ucb/Command.hpp>
      39             : #include <vcl/msgbox.hxx>
      40             : #include <unotools/securityoptions.hxx>
      41             : #include <com/sun/star/security/CertificateValidity.hpp>
      42             : #include <com/sun/star/security/SerialNumberAdapter.hpp>
      43             : #include "comphelper/documentconstants.hxx"
      44             : 
      45             : #include "com/sun/star/lang/IllegalArgumentException.hpp"
      46             : 
      47             : #include <stdio.h>
      48             : 
      49             : 
      50             : using namespace ::com::sun::star;
      51             : using namespace ::com::sun::star::uno;
      52             : 
      53           0 : DocumentDigitalSignatures::DocumentDigitalSignatures( const Reference< XComponentContext >& rxCtx ):
      54             :     mxCtx(rxCtx),
      55             :     m_sODFVersion(ODFVER_012_TEXT),
      56             :     m_nArgumentsCount(0),
      57           0 :     m_bHasDocumentSignature(false)
      58             : {
      59           0 : }
      60             : 
      61           0 : void DocumentDigitalSignatures::initialize( const Sequence< Any >& aArguments)
      62             :         throw (css::uno::Exception, css::uno::RuntimeException, std::exception)
      63             : {
      64           0 :     if (aArguments.getLength() > 2)
      65             :         throw css::lang::IllegalArgumentException(
      66             :         "DocumentDigitalSignatures::initialize requires zero, one, or two arguments",
      67           0 :         Reference<XInterface>(static_cast<XInitialization*>(this), UNO_QUERY), 0);
      68             : 
      69           0 :     m_nArgumentsCount = aArguments.getLength();
      70             : 
      71           0 :     if (aArguments.getLength() > 0)
      72             :     {
      73           0 :         if (!(aArguments[0] >>= m_sODFVersion))
      74             :             throw css::lang::IllegalArgumentException(
      75             :                 "DocumentDigitalSignatures::initialize: the first arguments must be a string",
      76           0 :                 Reference<XInterface>(static_cast<XInitialization*>(this), UNO_QUERY), 0);
      77             : 
      78           0 :         if (aArguments.getLength() == 2
      79           0 :             && !(aArguments[1] >>= m_bHasDocumentSignature))
      80             :             throw css::lang::IllegalArgumentException(
      81             :                 "DocumentDigitalSignatures::initialize: the second arguments must be a bool",
      82           0 :                 Reference<XInterface>(static_cast<XInitialization*>(this), UNO_QUERY), 1);
      83             : 
      84             :         //the Version is supported as of ODF1.2, so for and 1.1 document or older we will receive the
      85             :         //an empty string. In this case we set it to ODFVER_010_TEXT. Then we can later check easily
      86             :         //if initialize was called. Only then m_sODFVersion.getLength() is greater than 0
      87           0 :         if (m_sODFVersion.isEmpty())
      88           0 :             m_sODFVersion = ODFVER_010_TEXT;
      89             :     }
      90           0 : }
      91             : 
      92           0 : sal_Bool DocumentDigitalSignatures::signDocumentContent(
      93             :     const Reference< css::embed::XStorage >& rxStorage,
      94             :     const Reference< css::io::XStream >& xSignStream)
      95             :         throw (RuntimeException, std::exception)
      96             : {
      97             :     OSL_ENSURE(!m_sODFVersion.isEmpty(), "DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
      98           0 :     return ImplViewSignatures( rxStorage, xSignStream, SignatureModeDocumentContent, false );
      99             : }
     100             : 
     101             : Sequence< css::security::DocumentSignatureInformation >
     102           0 : DocumentDigitalSignatures::verifyDocumentContentSignatures(
     103             :     const Reference< css::embed::XStorage >& rxStorage,
     104             :     const Reference< css::io::XInputStream >& xSignInStream ) throw (RuntimeException, std::exception)
     105             : {
     106             :     OSL_ENSURE(!m_sODFVersion.isEmpty(),"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
     107           0 :     return ImplVerifySignatures( rxStorage, xSignInStream, SignatureModeDocumentContent );
     108             : }
     109             : 
     110           0 : void DocumentDigitalSignatures::showDocumentContentSignatures(
     111             :     const Reference< css::embed::XStorage >& rxStorage,
     112             :     const Reference< css::io::XInputStream >& xSignInStream ) throw (RuntimeException, std::exception)
     113             : {
     114             :     OSL_ENSURE(!m_sODFVersion.isEmpty(),"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
     115           0 :     ImplViewSignatures( rxStorage, xSignInStream, SignatureModeDocumentContent, true );
     116           0 : }
     117             : 
     118           0 : OUString DocumentDigitalSignatures::getDocumentContentSignatureDefaultStreamName()
     119             :     throw (css::uno::RuntimeException, std::exception)
     120             : {
     121           0 :     return DocumentSignatureHelper::GetDocumentContentSignatureDefaultStreamName();
     122             : }
     123             : 
     124           0 : sal_Bool DocumentDigitalSignatures::signScriptingContent(
     125             :     const Reference< css::embed::XStorage >& rxStorage,
     126             :     const Reference< css::io::XStream >& xSignStream ) throw (RuntimeException, std::exception)
     127             : {
     128             :     OSL_ENSURE(!m_sODFVersion.isEmpty(),"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
     129             :     OSL_ENSURE(m_nArgumentsCount == 2, "DocumentDigitalSignatures: Service was not initialized properly");
     130           0 :     return ImplViewSignatures( rxStorage, xSignStream, SignatureModeMacros, false );
     131             : }
     132             : 
     133             : Sequence< css::security::DocumentSignatureInformation >
     134           0 : DocumentDigitalSignatures::verifyScriptingContentSignatures(
     135             :     const Reference< css::embed::XStorage >& rxStorage,
     136             :     const Reference< css::io::XInputStream >& xSignInStream ) throw (RuntimeException, std::exception)
     137             : {
     138             :     OSL_ENSURE(!m_sODFVersion.isEmpty(),"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
     139           0 :     return ImplVerifySignatures( rxStorage, xSignInStream, SignatureModeMacros );
     140             : }
     141             : 
     142           0 : void DocumentDigitalSignatures::showScriptingContentSignatures(
     143             :     const Reference< css::embed::XStorage >& rxStorage,
     144             :     const Reference< css::io::XInputStream >& xSignInStream ) throw (RuntimeException, std::exception)
     145             : {
     146             :     OSL_ENSURE(!m_sODFVersion.isEmpty(),"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
     147           0 :     ImplViewSignatures( rxStorage, xSignInStream, SignatureModeMacros, true );
     148           0 : }
     149             : 
     150           0 : OUString DocumentDigitalSignatures::getScriptingContentSignatureDefaultStreamName()
     151             :     throw (css::uno::RuntimeException, std::exception)
     152             : {
     153           0 :     return DocumentSignatureHelper::GetScriptingContentSignatureDefaultStreamName();
     154             : }
     155             : 
     156             : 
     157           0 : sal_Bool DocumentDigitalSignatures::signPackage(
     158             :     const Reference< css::embed::XStorage >& rxStorage,
     159             :     const Reference< css::io::XStream >& xSignStream  ) throw (RuntimeException, std::exception)
     160             : {
     161             :     OSL_ENSURE(!m_sODFVersion.isEmpty(),"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
     162           0 :     return ImplViewSignatures( rxStorage, xSignStream, SignatureModePackage, false );
     163             : }
     164             : 
     165             : Sequence< css::security::DocumentSignatureInformation >
     166           0 : DocumentDigitalSignatures::verifyPackageSignatures(
     167             :     const Reference< css::embed::XStorage >& rxStorage,
     168             :     const Reference< css::io::XInputStream >& xSignInStream ) throw (RuntimeException, std::exception)
     169             : {
     170             :     OSL_ENSURE(!m_sODFVersion.isEmpty(),"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
     171           0 :     return ImplVerifySignatures( rxStorage, xSignInStream, SignatureModePackage );
     172             : }
     173             : 
     174           0 : void DocumentDigitalSignatures::showPackageSignatures(
     175             :     const Reference< css::embed::XStorage >& rxStorage,
     176             :     const Reference< css::io::XInputStream >& xSignInStream ) throw (RuntimeException, std::exception)
     177             : {
     178             :     OSL_ENSURE(!m_sODFVersion.isEmpty(),"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
     179           0 :     ImplViewSignatures( rxStorage, xSignInStream, SignatureModePackage, true );
     180           0 : }
     181             : 
     182           0 : OUString DocumentDigitalSignatures::getPackageSignatureDefaultStreamName(  )
     183             :     throw (::com::sun::star::uno::RuntimeException, std::exception)
     184             : {
     185           0 :     return DocumentSignatureHelper::GetPackageSignatureDefaultStreamName();
     186             : }
     187             : 
     188             : 
     189           0 : sal_Bool DocumentDigitalSignatures::ImplViewSignatures(
     190             :     const Reference< css::embed::XStorage >& rxStorage,
     191             :     const Reference< css::io::XInputStream >& xSignStream,
     192             :     DocumentSignatureMode eMode, bool bReadOnly ) throw (RuntimeException)
     193             : {
     194           0 :     Reference< io::XStream > xStream;
     195           0 :     if ( xSignStream.is() )
     196           0 :         xStream = Reference< io::XStream >( xSignStream, UNO_QUERY );
     197           0 :     return ImplViewSignatures( rxStorage, xStream, eMode, bReadOnly );
     198             : }
     199             : 
     200           0 : sal_Bool DocumentDigitalSignatures::ImplViewSignatures(
     201             :     const Reference< css::embed::XStorage >& rxStorage, const Reference< css::io::XStream >& xSignStream,
     202             :     DocumentSignatureMode eMode, bool bReadOnly ) throw (RuntimeException)
     203             : {
     204           0 :     sal_Bool bChanges = sal_False;
     205             :     DigitalSignaturesDialog aSignaturesDialog(
     206           0 :         NULL, mxCtx, eMode, bReadOnly, m_sODFVersion, m_bHasDocumentSignature);
     207           0 :     bool bInit = aSignaturesDialog.Init();
     208             :     DBG_ASSERT( bInit, "Error initializing security context!" );
     209           0 :     if ( bInit )
     210             :     {
     211           0 :         aSignaturesDialog.SetStorage( rxStorage );
     212           0 :         aSignaturesDialog.SetSignatureStream( xSignStream );
     213           0 :         if ( aSignaturesDialog.Execute() )
     214             :         {
     215           0 :             if ( aSignaturesDialog.SignaturesChanged() )
     216             :             {
     217           0 :                 bChanges = sal_True;
     218             :                 // If we have a storage and no stream, we are responsible for commit
     219           0 :                 if ( rxStorage.is() && !xSignStream.is() )
     220             :                 {
     221           0 :                     uno::Reference< embed::XTransactedObject > xTrans( rxStorage, uno::UNO_QUERY );
     222           0 :                     xTrans->commit();
     223             :                 }
     224             :             }
     225             :         }
     226             :     }
     227             :     else
     228             :     {
     229           0 :         WarningBox aBox( NULL, XMLSEC_RES( RID_XMLSECWB_NO_MOZILLA_PROFILE ) );
     230           0 :         aBox.Execute();
     231             :     }
     232             : 
     233           0 :     return bChanges;
     234             : }
     235             : 
     236             : Sequence< css::security::DocumentSignatureInformation >
     237           0 : DocumentDigitalSignatures::ImplVerifySignatures(
     238             :     const Reference< css::embed::XStorage >& rxStorage,
     239             :     const Reference< css::io::XInputStream >& xSignStream, DocumentSignatureMode eMode ) throw (RuntimeException)
     240             : {
     241           0 :     if (!rxStorage.is())
     242             :     {
     243             :         DBG_ASSERT(false, "Error, no XStorage provided");
     244           0 :         return Sequence<css::security::DocumentSignatureInformation>();
     245             :     }
     246             :     // First check for the InputStream, to avoid unnecessary initialization of the security environemnt...
     247           0 :     SignatureStreamHelper aStreamHelper;
     248           0 :     Reference< io::XInputStream > xInputStream = xSignStream;
     249             : 
     250           0 :     if ( !xInputStream.is() )
     251             :     {
     252           0 :         aStreamHelper = DocumentSignatureHelper::OpenSignatureStream( rxStorage, embed::ElementModes::READ, eMode );
     253           0 :         if ( aStreamHelper.xSignatureStream.is() )
     254           0 :             xInputStream = Reference< io::XInputStream >( aStreamHelper.xSignatureStream, UNO_QUERY );
     255             :     }
     256             : 
     257           0 :     if ( !xInputStream.is() )
     258           0 :         return Sequence< ::com::sun::star::security::DocumentSignatureInformation >(0);
     259             : 
     260             : 
     261           0 :     XMLSignatureHelper aSignatureHelper( mxCtx );
     262             : 
     263           0 :     bool bInit = aSignatureHelper.Init();
     264             : 
     265             :     DBG_ASSERT( bInit, "Error initializing security context!" );
     266             : 
     267           0 :     if ( !bInit )
     268           0 :         return Sequence< ::com::sun::star::security::DocumentSignatureInformation >(0);
     269             : 
     270           0 :     aSignatureHelper.SetStorage(rxStorage, m_sODFVersion);
     271             : 
     272           0 :     aSignatureHelper.StartMission();
     273             : 
     274           0 :     aSignatureHelper.ReadAndVerifySignature( xInputStream );
     275             : 
     276           0 :     aSignatureHelper.EndMission();
     277             : 
     278           0 :     Reference< ::com::sun::star::xml::crypto::XSecurityEnvironment > xSecEnv = aSignatureHelper.GetSecurityEnvironment();
     279             : 
     280           0 :     SignatureInformations aSignInfos = aSignatureHelper.GetSignatureInformations();
     281           0 :     int nInfos = aSignInfos.size();
     282           0 :     Sequence< css::security::DocumentSignatureInformation > aInfos(nInfos);
     283           0 :     css::security::DocumentSignatureInformation* arInfos = aInfos.getArray();
     284             : 
     285           0 :     if ( nInfos )
     286             :     {
     287             :        Reference<security::XSerialNumberAdapter> xSerialNumberAdapter =
     288           0 :             ::com::sun::star::security::SerialNumberAdapter::create(mxCtx);
     289             : 
     290           0 :         for( int n = 0; n < nInfos; ++n )
     291             :         {
     292             :             DocumentSignatureAlgorithm mode = DocumentSignatureHelper::getDocumentAlgorithm(
     293           0 :                 m_sODFVersion, aSignInfos[n]);
     294             :             const std::vector< OUString > aElementsToBeVerified =
     295             :                 DocumentSignatureHelper::CreateElementList(
     296           0 :                 rxStorage, eMode, mode);
     297             : 
     298           0 :             const SignatureInformation& rInfo = aSignInfos[n];
     299           0 :             css::security::DocumentSignatureInformation& rSigInfo = arInfos[n];
     300             : 
     301           0 :             if (!rInfo.ouX509Certificate.isEmpty())
     302           0 :                rSigInfo.Signer = xSecEnv->createCertificateFromAscii( rInfo.ouX509Certificate ) ;
     303           0 :             if (!rSigInfo.Signer.is())
     304           0 :                 rSigInfo.Signer = xSecEnv->getCertificate( rInfo.ouX509IssuerName, xSerialNumberAdapter->toSequence( rInfo.ouX509SerialNumber ) );
     305             : 
     306             :             // Time support again (#i38744#)
     307           0 :             Date aDate( rInfo.stDateTime.Day, rInfo.stDateTime.Month, rInfo.stDateTime.Year );
     308             :             Time aTime( rInfo.stDateTime.Hours, rInfo.stDateTime.Minutes,
     309           0 :                         rInfo.stDateTime.Seconds, rInfo.stDateTime.NanoSeconds );
     310           0 :             rSigInfo.SignatureDate = aDate.GetDate();
     311           0 :             rSigInfo.SignatureTime = aTime.GetTime();
     312             : 
     313             :             // Verify certificate
     314             :             //We have patched our version of libxmlsec, so that it does not verify the certificates. This has two
     315             :             //reasons. First we want two separate status for signature and certificate. Second libxmlsec calls
     316             :             //CERT_VerifyCertificate (Solaris, Linux) falsely, so that it always regards the certificate as valid.
     317             :             //On Windows the checking of the certificate path is buggy. It does name matching (issuer, subject name)
     318             :             //to find the parent certificate. It does not take into account that there can be several certificates
     319             :             //with the same subject name.
     320           0 :             if (rSigInfo.Signer.is())
     321             :             {
     322             :                 try {
     323           0 :                     rSigInfo.CertificateStatus = xSecEnv->verifyCertificate(rSigInfo.Signer,
     324           0 :                         Sequence<Reference<css::security::XCertificate> >());
     325           0 :                 } catch (SecurityException& ) {
     326             :                     OSL_FAIL("Verification of certificate failed");
     327           0 :                     rSigInfo.CertificateStatus = css::security::CertificateValidity::INVALID;
     328             :                 }
     329             :             }
     330             :             else
     331             :             {
     332             :                 //We should always be able to get the certificates because it is contained in the document,
     333             :                 //unless the document is damaged so that signature xml file could not be parsed.
     334           0 :                 rSigInfo.CertificateStatus = css::security::CertificateValidity::INVALID;
     335             :             }
     336             : 
     337           0 :             rSigInfo.SignatureIsValid = ( rInfo.nStatus == ::com::sun::star::xml::crypto::SecurityOperationStatus_OPERATION_SUCCEEDED );
     338             : 
     339             : 
     340           0 :             if ( rSigInfo.SignatureIsValid )
     341             :             {
     342             :                  rSigInfo.SignatureIsValid =
     343             :                       DocumentSignatureHelper::checkIfAllFilesAreSigned(
     344           0 :                       aElementsToBeVerified, rInfo, mode);
     345             :             }
     346           0 :             if (eMode == SignatureModeDocumentContent)
     347             :                 rSigInfo.PartialDocumentSignature =
     348           0 :                     ! DocumentSignatureHelper::isOOo3_2_Signature(aSignInfos[n]);
     349             : 
     350           0 :         }
     351             :     }
     352           0 :     return aInfos;
     353             : 
     354             : }
     355             : 
     356           0 : void DocumentDigitalSignatures::manageTrustedSources(  ) throw (RuntimeException, std::exception)
     357             : {
     358             :     // MT: i45295
     359             :     // SecEnv is only needed to display certificate information from trusted sources.
     360             :     // Macro Security also has some options where no security environment is needed, so raise dialog anyway.
     361             :     // Later I should change the code so the Dialog creates the SecEnv on demand...
     362             : 
     363           0 :     Reference< css::xml::crypto::XSecurityEnvironment > xSecEnv;
     364             : 
     365           0 :     XMLSignatureHelper aSignatureHelper( mxCtx );
     366           0 :     if ( aSignatureHelper.Init() )
     367           0 :         xSecEnv = aSignatureHelper.GetSecurityEnvironment();
     368             : 
     369           0 :     MacroSecurity aDlg( NULL, mxCtx, xSecEnv );
     370           0 :     aDlg.Execute();
     371           0 : }
     372             : 
     373           0 : void DocumentDigitalSignatures::showCertificate(
     374             :     const Reference< css::security::XCertificate >& _Certificate ) throw (RuntimeException, std::exception)
     375             : {
     376           0 :     XMLSignatureHelper aSignatureHelper( mxCtx );
     377             : 
     378           0 :     bool bInit = aSignatureHelper.Init();
     379             : 
     380             :     DBG_ASSERT( bInit, "Error initializing security context!" );
     381             : 
     382           0 :     if ( bInit )
     383             :     {
     384           0 :         CertificateViewer aViewer( NULL, aSignatureHelper.GetSecurityEnvironment(), _Certificate, false );
     385           0 :         aViewer.Execute();
     386           0 :     }
     387             : 
     388           0 : }
     389             : 
     390           0 : sal_Bool DocumentDigitalSignatures::isAuthorTrusted(
     391             :     const Reference< css::security::XCertificate >& Author ) throw (RuntimeException, std::exception)
     392             : {
     393           0 :     sal_Bool bFound = sal_False;
     394             : 
     395             :     Reference<security::XSerialNumberAdapter> xSerialNumberAdapter =
     396           0 :         ::com::sun::star::security::SerialNumberAdapter::create(mxCtx);
     397             : 
     398           0 :     OUString sSerialNum = xSerialNumberAdapter->toString( Author->getSerialNumber() );
     399             : 
     400           0 :     Sequence< SvtSecurityOptions::Certificate > aTrustedAuthors = SvtSecurityOptions().GetTrustedAuthors();
     401           0 :     const SvtSecurityOptions::Certificate* pAuthors = aTrustedAuthors.getConstArray();
     402           0 :     const SvtSecurityOptions::Certificate* pAuthorsEnd = pAuthors + aTrustedAuthors.getLength();
     403           0 :     for ( ; pAuthors != pAuthorsEnd; ++pAuthors )
     404             :     {
     405           0 :         SvtSecurityOptions::Certificate aAuthor = *pAuthors;
     406           0 :         if ( ( aAuthor[0] == Author->getIssuerName() ) && ( aAuthor[1] == sSerialNum ) )
     407             :         {
     408           0 :             bFound = sal_True;
     409           0 :             break;
     410             :         }
     411           0 :     }
     412             : 
     413           0 :     return bFound;
     414             : }
     415             : 
     416           0 : Reference< css::security::XCertificate > DocumentDigitalSignatures::chooseCertificate() throw (RuntimeException, std::exception)
     417             : {
     418           0 :     Reference< css::xml::crypto::XSecurityEnvironment > xSecEnv;
     419             : 
     420           0 :     XMLSignatureHelper aSignatureHelper( mxCtx );
     421           0 :     if ( aSignatureHelper.Init() )
     422           0 :         xSecEnv = aSignatureHelper.GetSecurityEnvironment();
     423             : 
     424           0 :     CertificateChooser aChooser( NULL, mxCtx, xSecEnv, aSignatureHelper.GetSignatureInformations());
     425             : 
     426           0 :     if (aChooser.Execute() != RET_OK)
     427           0 :         return Reference< css::security::XCertificate >(0);
     428             : 
     429           0 :     Reference< css::security::XCertificate > xCert = aChooser.GetSelectedCertificate();
     430             : 
     431           0 :     if ( !xCert.is() )
     432           0 :         return Reference< css::security::XCertificate >(0);
     433             : 
     434           0 :     return xCert;
     435             : }
     436             : 
     437             : 
     438           0 : sal_Bool DocumentDigitalSignatures::isLocationTrusted( const OUString& Location ) throw (RuntimeException, std::exception)
     439             : {
     440           0 :     return SvtSecurityOptions().isTrustedLocationUri(Location);
     441             : }
     442             : 
     443           0 : void DocumentDigitalSignatures::addAuthorToTrustedSources(
     444             :     const Reference< css::security::XCertificate >& Author ) throw (RuntimeException, std::exception)
     445             : {
     446           0 :     SvtSecurityOptions aSecOpts;
     447             : 
     448             :     Reference<security::XSerialNumberAdapter> xSerialNumberAdapter =
     449           0 :         ::com::sun::star::security::SerialNumberAdapter::create(mxCtx);
     450             : 
     451           0 :     SvtSecurityOptions::Certificate aNewCert( 3 );
     452           0 :     aNewCert[ 0 ] = Author->getIssuerName();
     453           0 :     aNewCert[ 1 ] = xSerialNumberAdapter->toString( Author->getSerialNumber() );
     454             : 
     455           0 :     OUStringBuffer aStrBuffer;
     456           0 :     ::sax::Converter::encodeBase64(aStrBuffer, Author->getEncoded());
     457           0 :     aNewCert[ 2 ] = aStrBuffer.makeStringAndClear();
     458             : 
     459             : 
     460           0 :     Sequence< SvtSecurityOptions::Certificate > aTrustedAuthors = aSecOpts.GetTrustedAuthors();
     461           0 :     sal_Int32 nCnt = aTrustedAuthors.getLength();
     462           0 :     aTrustedAuthors.realloc( nCnt + 1 );
     463           0 :     aTrustedAuthors[ nCnt ] = aNewCert;
     464             : 
     465           0 :     aSecOpts.SetTrustedAuthors( aTrustedAuthors );
     466           0 : }
     467             : 
     468           0 : void DocumentDigitalSignatures::addLocationToTrustedSources( const OUString& Location ) throw (RuntimeException, std::exception)
     469             : {
     470           0 :     SvtSecurityOptions aSecOpt;
     471             : 
     472           0 :     Sequence< OUString > aSecURLs = aSecOpt.GetSecureURLs();
     473           0 :     sal_Int32 nCnt = aSecURLs.getLength();
     474           0 :     aSecURLs.realloc( nCnt + 1 );
     475           0 :     aSecURLs[ nCnt ] = Location;
     476             : 
     477           0 :     aSecOpt.SetSecureURLs( aSecURLs );
     478           0 : }
     479             : 
     480           0 : OUString DocumentDigitalSignatures::GetImplementationName() throw (RuntimeException)
     481             : {
     482           0 :     return OUString( "com.sun.star.security.DocumentDigitalSignatures" );
     483             : }
     484             : 
     485           0 : Sequence< OUString > DocumentDigitalSignatures::GetSupportedServiceNames() throw (css::uno::RuntimeException)
     486             : {
     487           0 :     Sequence < OUString > aRet(1);
     488           0 :     OUString* pArray = aRet.getArray();
     489           0 :     pArray[0] = "com.sun.star.security.DocumentDigitalSignatures";
     490           0 :     return aRet;
     491             : }
     492             : 
     493             : 
     494           0 : Reference< XInterface > DocumentDigitalSignatures_CreateInstance(
     495             :     const Reference< XComponentContext >& rCtx) throw ( Exception )
     496             : {
     497           0 :     return (cppu::OWeakObject*) new DocumentDigitalSignatures( rCtx );
     498             : }
     499             : 
     500             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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