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