/* -*- 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 <com/sun/star/xml/crypto/XSecurityEnvironment.hpp>

#include <com/sun/star/security/DocumentDigitalSignatures.hpp>

#include <comphelper/processfactory.hxx>

#include <comphelper/xmlsechelper.hxx>

#include <vcl/svapp.hxx>

#include <vcl/vclenum.hxx>

#include <vcl/weld/Builder.hxx>

#include <vcl/weld/MessageDialog.hxx>

#include <osl/file.hxx>

#include <rtl/ustrbuf.hxx>

#include <tools/datetime.hxx>

#include <tools/debug.hxx>

#include <unotools/datetime.hxx>

#include <unotools/resmgr.hxx>

#include <unotools/securityoptions.hxx>

#include <tools/urlobj.hxx>

#include "secmacrowarnings.hxx"

#include <strings.hrc>

using namespace ::com::sun::star::security;

using namespace ::com::sun::star;

using namespace comphelper;

MacroWarning::MacroWarning(weld::Window* pParent, bool _bWithSignatures)

    : MessageDialogController(pParent, u"uui/ui/macrowarnmedium.ui"_ustr, u"MacroWarnMedium"_ustr, u"grid"_ustr)

    , mxGrid(m_xBuilder->weld_widget(u"grid"_ustr))

    , mxSignsFI(m_xBuilder->weld_label(u"signsLabel"_ustr))

    , mxNotYetValid(m_xBuilder->weld_label(u"certNotYetValidLabel"_ustr))

    , mxNoLongerValid(m_xBuilder->weld_label(u"certNoLongerValidLabel"_ustr))

    , mxViewSignsBtn(m_xBuilder->weld_button(u"viewSignsButton"_ustr))

    , mxViewCertBtn(m_xBuilder->weld_button(u"viewCertButton"_ustr))

    , mxAlwaysTrustCB(m_xBuilder->weld_check_button(u"alwaysTrustCheckbutton"_ustr))

    , mxEnableBtn(m_xBuilder->weld_button(u"ok"_ustr))

    , mxDisableBtn(m_xBuilder->weld_button(u"cancel"_ustr))

    , mpInfos                ( nullptr )

    , mbShowSignatures       ( _bWithSignatures )

    , mnActSecLevel          ( 0 )

{

    InitControls();

    mxEnableBtn->connect_clicked(LINK(this, MacroWarning, EnableBtnHdl));

    mxDisableBtn->connect_clicked(LINK(this, MacroWarning, DisableBtnHdl));

    mxDisableBtn->grab_focus(); // Default button, but focus is on view button

    m_xDialog->SetInstallLOKNotifierHdl(LINK(this, MacroWarning, InstallLOKNotifierHdl));

}

IMPL_STATIC_LINK_NOARG(MacroWarning, InstallLOKNotifierHdl, void*, vcl::ILibreOfficeKitNotifier*)

{

    return GetpApp();

}

void MacroWarning::SetDocumentURL( const OUString& rDocURL )

{

    OUString aPath;

    osl::FileBase::getFileURLFromSystemPath(rDocURL, aPath);

    aPath = INetURLObject(aPath).GetLastName(INetURLObject::DecodeMechanism::Unambiguous);

    m_xDialog->set_primary_text(aPath);

}

IMPL_LINK_NOARG(MacroWarning, ViewSignsBtnHdl, weld::Button&, void)

{

    DBG_ASSERT( mxCert.is(), "*MacroWarning::ViewSignsBtnHdl(): no certificate set!" );

    uno::Reference< security::XDocumentDigitalSignatures > xD(

        security::DocumentDigitalSignatures::createWithVersion(comphelper::getProcessComponentContext(), maODFVersion));

    if( !xD.is() )

        return;

    xD->setParentWindow(m_xDialog->GetXWindow());

    if( mxCert.is() )

        xD->showCertificate( mxCert );

    else if( mxStore.is() )

        xD->showScriptingContentSignatures( mxStore, uno::Reference< io::XInputStream >() );

    else

        return;

    mxAlwaysTrustCB->set_sensitive(true);

    EnableOkBtn(true);

}

IMPL_LINK_NOARG(MacroWarning, EnableBtnHdl, weld::Button&, void)

{

    if (mxAlwaysTrustCB->get_active())

    {

        uno::Reference< security::XDocumentDigitalSignatures > xD(

            security::DocumentDigitalSignatures::createWithVersion(comphelper::getProcessComponentContext(), maODFVersion));

        xD->setParentWindow(m_xDialog->GetXWindow());

        if( mxCert.is() )

            xD->addAuthorToTrustedSources( mxCert );

        else if( mxStore.is() )

        {

            assert(mpInfos && "-MacroWarning::EnableBtnHdl(): no infos, search in nirvana...");

            sal_Int32   nCnt = mpInfos->getLength();

            for( sal_Int32 i = 0 ; i < nCnt ; ++i )

                xD->addAuthorToTrustedSources( (*mpInfos)[ i ].Signer );

        }

    }

    m_xDialog->response(RET_OK);

}

IMPL_LINK_NOARG(MacroWarning, DisableBtnHdl, weld::Button&, void)

{

    m_xDialog->response(RET_CANCEL);

}

IMPL_LINK_NOARG(MacroWarning, AlwaysTrustCheckHdl, weld::Toggleable&, void)

{

    const bool bEnable = (mnActSecLevel < 3 || mxAlwaysTrustCB->get_active());

    EnableOkBtn(bEnable);

    mxDisableBtn->set_sensitive(!mxAlwaysTrustCB->get_active());

}

void MacroWarning::InitControls()

{

    // show signature controls?

    if (mbShowSignatures)

    {

        mxAlwaysTrustCB->connect_toggled(LINK(this, MacroWarning, AlwaysTrustCheckHdl));

        mxAlwaysTrustCB->set_sensitive(false);

        mxViewSignsBtn->connect_clicked(LINK(this, MacroWarning, ViewSignsBtnHdl));

        mxViewSignsBtn->set_visible(false);

        mxViewCertBtn->connect_clicked(LINK(this, MacroWarning, ViewSignsBtnHdl));

        mxViewCertBtn->set_visible(false);

        mnActSecLevel = SvtSecurityOptions::GetMacroSecurityLevel();

        if ( mnActSecLevel >= 2 )

            EnableOkBtn(false);

    }

    else

    {

        mxGrid->hide();

    }

}

void MacroWarning::EnableOkBtn(bool bEnable)

{

    mxEnableBtn->set_sensitive(bEnable);

    std::locale aResLocale(Translate::Create("uui"));

    mxEnableBtn->set_tooltip_text(bEnable ? u""_ustr : Translate::get(STR_VERIFY_CERT, aResLocale));

}

void MacroWarning::SetStorage( const css::uno::Reference < css::embed::XStorage >& rxStore,

                               const OUString& aODFVersion,

                               const css::uno::Sequence< security::DocumentSignatureInformation >& rInfos )

{

    mxStore = rxStore;

    maODFVersion = aODFVersion;

    sal_Int32   nCnt = rInfos.getLength();

    if( !(mxStore.is() && nCnt > 0) )

        return;

    mpInfos = &rInfos;

    OUStringBuffer s(xmlsec::GetContentPart(rInfos[0].Signer->getSubjectName(),

                                            rInfos[0].Signer->getCertificateKind()));

    for( sal_Int32 i = 1 ; i < nCnt ; ++i )

    {

        s.append(OUString::Concat("\n")

                 + xmlsec::GetContentPart(rInfos[i].Signer->getSubjectName(),

                                          rInfos[0].Signer->getCertificateKind()));

    }

    mxSignsFI->set_label(s.makeStringAndClear());

    mxViewSignsBtn->set_visible(true);

    mxViewCertBtn->set_visible(false);

}

void MacroWarning::SetCertificate( const css::uno::Reference< css::security::XCertificate >& _rxCert )

{

    mxCert = _rxCert;

    if( mxCert.is() )

    {

        OUString s(xmlsec::GetContentPart(mxCert->getSubjectName(), mxCert->getCertificateKind()));

        mxSignsFI->set_label(s);

        ::DateTime now( ::DateTime::SYSTEM );

        DateTime aDateTimeStart( DateTime::EMPTY );

        DateTime aDateTimeEnd( DateTime::EMPTY );

        utl::typeConvert( mxCert->getNotValidBefore(), aDateTimeStart );

        utl::typeConvert( mxCert->getNotValidAfter(), aDateTimeEnd );

        mxNotYetValid->set_visible(now < aDateTimeStart);

        mxNoLongerValid->set_visible(now > aDateTimeEnd);

        mxViewSignsBtn->set_visible(false);

        mxViewCertBtn->set_visible(true);

    }

}

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