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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <certificatechooser.hxx>
#include <certificateviewer.hxx>
#include <biginteger.hxx>
#include <com/sun/star/xml/crypto/XSecurityEnvironment.hpp>
#include <comphelper/sequence.hxx>
#include <comphelper/processfactory.hxx>
#include <com/sun/star/security/NoPasswordException.hpp>
#include <com/sun/star/security/CertificateCharacters.hpp>
#include "resourcemanager.hxx"
#include <vcl/msgbox.hxx>
#include <svtools/treelistentry.hxx>
using namespace css;
CertificateChooser::CertificateChooser(vcl::Window* _pParent,
uno::Reference<uno::XComponentContext>& _rxCtx,
std::vector< css::uno::Reference< css::xml::crypto::XXMLSecurityContext > >& rxSecurityContexts)
: ModalDialog(_pParent, "SelectCertificateDialog", "xmlsec/ui/selectcertificatedialog.ui"),
mvUserData()
{
get(m_pOKBtn, "ok");
get(m_pViewBtn, "viewcert");
get(m_pDescriptionED, "description");
Size aControlSize(475, 122);
const long nControlWidth = aControlSize.Width();
aControlSize = LogicToPixel(aControlSize, MapUnit::MapAppFont);
SvSimpleTableContainer *pSignatures = get<SvSimpleTableContainer>("signatures");
pSignatures->set_width_request(aControlSize.Width());
pSignatures->set_height_request(aControlSize.Height());
m_pCertLB = VclPtr<SvSimpleTable>::Create(*pSignatures);
static long nTabs[] = { 4, 0, 20*nControlWidth/100, 40*nControlWidth/100, 80*nControlWidth/100 };
m_pCertLB->SetTabs( &nTabs[0] );
m_pCertLB->InsertHeaderEntry(get<FixedText>("issuedto")->GetText() + "\t" + get<FixedText>("issuedby")->GetText()
+ "\t" + get<FixedText>("usage")->GetText() + "\t" + get<FixedText>("expiration")->GetText());
m_pCertLB->SetSelectHdl( LINK( this, CertificateChooser, CertificateHighlightHdl ) );
m_pCertLB->SetDoubleClickHdl( LINK( this, CertificateChooser, CertificateSelectHdl ) );
m_pViewBtn->SetClickHdl( LINK( this, CertificateChooser, ViewButtonHdl ) );
mxCtx = _rxCtx;
mxSecurityContexts = rxSecurityContexts;
mbInitialized = false;
// disable buttons
CertificateHighlightHdl( nullptr );
}
CertificateChooser::~CertificateChooser()
{
disposeOnce();
}
void CertificateChooser::dispose()
{
m_pCertLB.disposeAndClear();
m_pViewBtn.clear();
m_pOKBtn.clear();
m_pDescriptionED.clear();
mvUserData.clear();
ModalDialog::dispose();
}
short CertificateChooser::Execute()
{
// #i48432#
// We can't check for personal certificates before raising this dialog,
// because the mozilla implementation throws a NoPassword exception,
// if the user pressed cancel, and also if the database does not exist!
// But in the later case, the is no password query, and the user is confused
// that nothing happens when pressing "Add..." in the SignatureDialog.
// PostUserEvent( LINK( this, CertificateChooser, Initialize ) );
// PostUserLink behavior is to slow, so do it directly before Execute().
// Problem: This Dialog should be visible right now, and the parent should not be accessible.
// Show, Update, DisableInput...
vcl::Window* pMe = this;
vcl::Window* pParent = GetParent();
if ( pParent )
pParent->EnableInput( false );
pMe->Show();
pMe->Update();
ImplInitialize();
if ( pParent )
pParent->EnableInput();
return ModalDialog::Execute();
}
void CertificateChooser::HandleOneUsageBit(OUString& string, int& bits, int bit, const char *name)
{
if (bits & bit)
{
if (!string.isEmpty())
string += ", ";
string += get<FixedText>(OString("STR_") + name)->GetText();
bits &= ~bit;
}
}
OUString CertificateChooser::UsageInClearText(int bits)
{
OUString result;
HandleOneUsageBit(result, bits, 0x80, "DIGITAL_SIGNATURE");
HandleOneUsageBit(result, bits, 0x40, "NON_REPUDIATION");
HandleOneUsageBit(result, bits, 0x20, "KEY_ENCIPHERMENT");
HandleOneUsageBit(result, bits, 0x10, "DATA_ENCIPHERMENT");
HandleOneUsageBit(result, bits, 0x08, "KEY_AGREEMENT");
HandleOneUsageBit(result, bits, 0x04, "KEY_CERT_SIGN");
HandleOneUsageBit(result, bits, 0x02, "CRL_SIGN");
HandleOneUsageBit(result, bits, 0x01, "ENCIPHER_ONLY");
// Check for mystery leftover bits
if (bits != 0)
{
if (!result.isEmpty())
result += ", ";
result += "0x" + OUString::number(bits, 16);
}
return result;
}
void CertificateChooser::ImplInitialize()
{
if ( mbInitialized )
return;
for (auto &secContext : mxSecurityContexts)
{
auto secEnvironment = secContext->getSecurityEnvironment();
if (!secEnvironment.is())
continue;
uno::Sequence< uno::Reference< security::XCertificate > > xCerts;
try
{
xCerts = secEnvironment->getPersonalCertificates();
}
catch (security::NoPasswordException&)
{
}
sal_Int32 nCertificates = xCerts.getLength();
for( sal_Int32 nCert = nCertificates; nCert; )
{
uno::Reference< security::XCertificate > xCert = xCerts[ --nCert ];
// Check if we have a private key for this...
long nCertificateCharacters = secEnvironment->getCertificateCharacters(xCert);
if (!(nCertificateCharacters & security::CertificateCharacters::HAS_PRIVATE_KEY))
{
::comphelper::removeElementAt( xCerts, nCert );
nCertificates = xCerts.getLength();
}
}
// fill list of certificates; the first entry will be selected
for ( sal_Int32 nC = 0; nC < nCertificates; ++nC )
{
std::shared_ptr<UserData> userData = std::make_shared<UserData>();
userData->xCertificate = xCerts[ nC ];
userData->xSecurityContext = secContext;
userData->xSecurityEnvironment = secEnvironment;
mvUserData.push_back(userData);
SvTreeListEntry* pEntry = m_pCertLB->InsertEntry( XmlSec::GetContentPart( xCerts[ nC ]->getSubjectName() )
+ "\t" + XmlSec::GetContentPart( xCerts[ nC ]->getIssuerName() )
+ "\t" + UsageInClearText( xCerts[ nC ]->getCertificateUsage() )
+ "\t" + XmlSec::GetDateString( xCerts[ nC ]->getNotValidAfter() ) );
pEntry->SetUserData( userData.get() );
}
}
// enable/disable buttons
CertificateHighlightHdl( nullptr );
mbInitialized = true;
}
uno::Reference< css::security::XCertificate > CertificateChooser::GetSelectedCertificate()
{
SvTreeListEntry* pSel = m_pCertLB->FirstSelected();
if( !pSel )
return uno::Reference< css::security::XCertificate >();
UserData* userData = static_cast<UserData*>(pSel->GetUserData());
uno::Reference<security::XCertificate> xCert = userData->xCertificate;
return xCert;
}
uno::Reference<xml::crypto::XXMLSecurityContext> CertificateChooser::GetSelectedSecurityContext()
{
SvTreeListEntry* pSel = m_pCertLB->FirstSelected();
if( !pSel )
return uno::Reference<xml::crypto::XXMLSecurityContext>();
UserData* userData = static_cast<UserData*>(pSel->GetUserData());
uno::Reference<xml::crypto::XXMLSecurityContext> xCert = userData->xSecurityContext;
return xCert;
}
OUString CertificateChooser::GetDescription()
{
return m_pDescriptionED->GetText();
}
IMPL_LINK_NOARG(CertificateChooser, CertificateHighlightHdl, SvTreeListBox*, void)
{
bool bEnable = GetSelectedCertificate().is();
m_pViewBtn->Enable( bEnable );
m_pOKBtn->Enable( bEnable );
m_pDescriptionED->Enable(bEnable);
}
IMPL_LINK_NOARG(CertificateChooser, CertificateSelectHdl, SvTreeListBox*, bool)
{
EndDialog( RET_OK );
return false;
}
IMPL_LINK_NOARG(CertificateChooser, ViewButtonHdl, Button*, void)
{
ImplShowCertificateDetails();
}
void CertificateChooser::ImplShowCertificateDetails()
{
SvTreeListEntry* pSel = m_pCertLB->FirstSelected();
if( !pSel )
return;
UserData* userData = static_cast<UserData*>(pSel->GetUserData());
if (!userData->xSecurityEnvironment.is() || !userData->xCertificate.is())
return;
ScopedVclPtrInstance< CertificateViewer > aViewer( this, userData->xSecurityEnvironment, userData->xCertificate, true );
aViewer->Execute();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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