xmlsecurity/source/dialogs/certificatechooser.cxx

   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 <xmlsecurity/certificatechooser.hxx>
  22 #include <xmlsecurity/certificateviewer.hxx>
  23 #include <xmlsecurity/biginteger.hxx>
  24 #include <com/sun/star/xml/crypto/XSecurityEnvironment.hpp>
  25 #include <comphelper/sequence.hxx>
  26 #include <comphelper/processfactory.hxx>
  27
  28 #include <com/sun/star/security/NoPasswordException.hpp>
  29 #include <com/sun/star/security/CertificateCharacters.hpp>
  30 #include <com/sun/star/security/SerialNumberAdapter.hpp>
  31
  32 #include <resourcemanager.hxx>
  33 #include <vcl/msgbox.hxx>
  34 #include "svtools/treelistentry.hxx"
  35
  36 using namespace ::com::sun::star;
  37
  38 #define INVAL_SEL       0xFFFF
  39
  40 sal_uInt16 CertificateChooser::GetSelectedEntryPos( void ) const
  41 {
  42     sal_uInt16  nSel = INVAL_SEL;
  43
  44     SvTreeListEntry* pSel = m_pCertLB->FirstSelected();
  45     if( pSel )
  46         nSel = (sal_uInt16) ( sal_uIntPtr ) pSel->GetUserData();
  47
  48     return (sal_uInt16) nSel;
  49 }
  50
  51 CertificateChooser::CertificateChooser( Window* _pParent, uno::Reference< uno::XComponentContext>& _rxCtx, uno::Reference< css::xml::crypto::XSecurityEnvironment >& _rxSecurityEnvironment, const SignatureInformations& _rCertsToIgnore )
  52     : ModalDialog(_pParent, "SelectCertificateDialog", "xmlsec/ui/selectcertificatedialog.ui")
  53     , maCertsToIgnore( _rCertsToIgnore )
  54 {
  55     get(m_pOKBtn, "ok");
  56     get(m_pViewBtn, "viewcert");
  57
  58     Size aControlSize(275, 122);
  59     const long nControlWidth = aControlSize.Width();
  60     aControlSize = LogicToPixel(aControlSize, MAP_APPFONT);
  61     SvxSimpleTableContainer *pSignatures = get<SvxSimpleTableContainer>("signatures");
  62     pSignatures->set_width_request(aControlSize.Width());
  63     pSignatures->set_height_request(aControlSize.Height());
  64
  65     m_pCertLB = new SvxSimpleTable(*pSignatures);
  66     static long nTabs[] = { 3, 0, 30*nControlWidth/100, 60*nControlWidth/100 };
  67     m_pCertLB->SetTabs( &nTabs[0] );
  68     OUStringBuffer sHeader;
  69     sHeader.append(get<FixedText>("issuedto")->GetText())
  70         .append("\t").append(get<FixedText>("issuedby")->GetText())
  71         .append("\t").append(get<FixedText>("expiration")->GetText());
  72     m_pCertLB->InsertHeaderEntry(sHeader.makeStringAndClear());
  73
  74     m_pCertLB->SetSelectHdl( LINK( this, CertificateChooser, CertificateHighlightHdl ) );
  75     m_pCertLB->SetDoubleClickHdl( LINK( this, CertificateChooser, CertificateSelectHdl ) );
  76     m_pViewBtn->SetClickHdl( LINK( this, CertificateChooser, ViewButtonHdl ) );
  77
  78     mxCtx = _rxCtx;
  79     mxSecurityEnvironment = _rxSecurityEnvironment;
  80     mbInitialized = false;
  81
  82     // disable buttons
  83     CertificateHighlightHdl( NULL );
  84 }
  85
  86 CertificateChooser::~CertificateChooser()
  87 {
  88     delete m_pCertLB;
  89 }
  90
  91 short CertificateChooser::Execute()
  92 {
  93     // #i48432#
  94     // We can't check for personal certificates before raising this dialog,
  95     // because the mozilla implementation throws a NoPassword exception,
  96     // if the user pressed cancel, and also if the database does not exist!
  97     // But in the later case, the is no password query, and the user is confused
  98     // that nothing happens when pressing "Add..." in the SignatureDialog.
  99
 100     // PostUserEvent( LINK( this, CertificateChooser, Initialize ) );
 101
 102     // PostUserLink behavior is to slow, so do it directly before Execute().
 103     // Problem: This Dialog should be visible right now, and the parent should not be accessible.
 104     // Show, Update, DIsableInput...
 105
 106     Window* pMe = this;
 107     Window* pParent = GetParent();
 108     if ( pParent )
 109         pParent->EnableInput( sal_False );
 110     pMe->Show();
 111     pMe->Update();
 112     ImplInitialize();
 113     if ( pParent )
 114         pParent->EnableInput( sal_True );
 115     return ModalDialog::Execute();
 116 }
 117
 118 // IMPL_LINK_NOARG(CertificateChooser, Initialize)
 119 void CertificateChooser::ImplInitialize()
 120 {
 121     if ( !mbInitialized )
 122     {
 123         try
 124         {
 125             maCerts = mxSecurityEnvironment->getPersonalCertificates();
 126         }
 127         catch (security::NoPasswordException&)
 128         {
 129         }
 130
 131         uno::Reference< css::security::XSerialNumberAdapter> xSerialNumberAdapter =
 132             ::com::sun::star::security::SerialNumberAdapter::create(mxCtx);
 133
 134         sal_Int32 nCertificates = maCerts.getLength();
 135         sal_Int32 nCertificatesToIgnore = maCertsToIgnore.size();
 136         for( sal_Int32 nCert = nCertificates; nCert; )
 137         {
 138             uno::Reference< security::XCertificate > xCert = maCerts[ --nCert ];
 139             sal_Bool bIgnoreThis = false;
 140
 141             // Do we already use that?
 142             if( nCertificatesToIgnore )
 143             {
 144                 OUString aIssuerName = xCert->getIssuerName();
 145                 for( sal_Int32 nSig = 0; nSig < nCertificatesToIgnore; ++nSig )
 146                 {
 147                     const SignatureInformation& rInf = maCertsToIgnore[ nSig ];
 148                     if ( ( aIssuerName == rInf.ouX509IssuerName ) &&
 149                         ( xSerialNumberAdapter->toString( xCert->getSerialNumber() ) == rInf.ouX509SerialNumber ) )
 150                     {
 151                         bIgnoreThis = true;
 152                         break;
 153                     }
 154                 }
 155             }
 156
 157             if ( !bIgnoreThis )
 158             {
 159                 // Check if we have a private key for this...
 160                 long nCertificateCharacters = mxSecurityEnvironment->getCertificateCharacters( xCert );
 161
 162                 if ( !( nCertificateCharacters & security::CertificateCharacters::HAS_PRIVATE_KEY ) )
 163                     bIgnoreThis = true;
 164
 165             }
 166
 167             if ( bIgnoreThis )
 168             {
 169                 ::comphelper::removeElementAt( maCerts, nCert );
 170                 nCertificates = maCerts.getLength();
 171             }
 172         }
 173
 174         // fill list of certificates; the first entry will be selected
 175         for ( sal_Int32 nC = 0; nC < nCertificates; ++nC )
 176         {
 177             OUStringBuffer sEntry( XmlSec::GetContentPart( maCerts[ nC ]->getSubjectName() ) );
 178             sEntry.append( '\t' );
 179             sEntry.append( XmlSec::GetContentPart( maCerts[ nC ]->getIssuerName() ) );
 180             sEntry.append( '\t' );
 181             sEntry.append( XmlSec::GetDateString( maCerts[ nC ]->getNotValidAfter() ) );
 182             SvTreeListEntry* pEntry = m_pCertLB->InsertEntry( sEntry.makeStringAndClear() );
 183             pEntry->SetUserData( ( void* )(sal_IntPtr)nC ); // missuse user data as index
 184         }
 185
 186         // enable/disable buttons
 187         CertificateHighlightHdl( NULL );
 188         mbInitialized = true;
 189     }
 190 }
 191
 192
 193 uno::Reference< css::security::XCertificate > CertificateChooser::GetSelectedCertificate()
 194 {
 195     uno::Reference< css::security::XCertificate > xCert;
 196     sal_uInt16  nSelected = GetSelectedEntryPos();
 197     if ( nSelected < maCerts.getLength() )
 198         xCert = maCerts[ nSelected ];
 199     return xCert;
 200 }
 201
 202 IMPL_LINK_NOARG(CertificateChooser, CertificateHighlightHdl)
 203 {
 204     sal_Bool bEnable = GetSelectedCertificate().is();
 205     m_pViewBtn->Enable( bEnable );
 206     m_pOKBtn->Enable( bEnable );
 207     return 0;
 208 }
 209
 210 IMPL_LINK_NOARG(CertificateChooser, CertificateSelectHdl)
 211 {
 212     EndDialog( RET_OK );
 213     return 0;
 214 }
 215
 216 IMPL_LINK_NOARG(CertificateChooser, ViewButtonHdl)
 217 {
 218     ImplShowCertificateDetails();
 219     return 0;
 220 }
 221
 222 void CertificateChooser::ImplShowCertificateDetails()
 223 {
 224     uno::Reference< css::security::XCertificate > xCert = GetSelectedCertificate();
 225     if( xCert.is() )
 226     {
 227         CertificateViewer aViewer( this, mxSecurityEnvironment, xCert, sal_True );
 228         aViewer.Execute();
 229     }
 230 }
 231
 232 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */