/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:   Implementation of class CCertManUIKeeper

*                Creates and destroys all the views CertManUI uses.

*                Handles changing CertManUI views.

*

*/

// INCLUDE FILES

#include <unifiedcertstore.h>

#include <unifiedkeystore.h>

#include <mctwritablecertstore.h>

#include <X509CertNameParser.h>

#include <HbMessageBox>

#include <QErrorMessage>

#include "cpcertdatacontainer.h"

#include "cpcertmanuisyncwrapper.h"

// CONSTANTS

_LIT( KNameSeparator, " " );

// ============================= LOCAL FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// TInt CompareCALabels( const CCTCertInfo& cert1, const CCTCertInfo& cert2 )

// Compares two labels.

// -----------------------------------------------------------------------------

//

TInt CompareCALabels(

    const CpCertManUICertData& cert1,

    const CpCertManUICertData& cert2 )

    {

    return ( (cert1.iCAEntryLabel->Des()).

        CompareF( cert2.iCAEntryLabel->Des() ) );

    }

// -----------------------------------------------------------------------------

// TInt CompareUserLabels( const CCTCertInfo& cert1, const CCTCertInfo& cert2 )

// Compares two labels.

// -----------------------------------------------------------------------------

//

TInt CompareUserLabels(

    const CpCertManUICertData& cert1,

    const CpCertManUICertData& cert2 )

    {

    return ( (cert1.iUserEntryLabel->Des()).

        CompareF( cert2.iUserEntryLabel->Des() ) );

    }

// -----------------------------------------------------------------------------

// TInt ComparePeerLabels( const CCTCertInfo& cert1, const CCTCertInfo& cert2 )

// Compares two labels.

// -----------------------------------------------------------------------------

//

TInt ComparePeerLabels(

    const CpCertManUICertData& cert1,

    const CpCertManUICertData& cert2 )

    {

    return ( (cert1.iPeerEntryLabel->Des()).

        CompareF( cert2.iPeerEntryLabel->Des() ) );

    }

// -----------------------------------------------------------------------------

// TInt CompareDeviceLabels( const CCTCertInfo& cert1, const CCTCertInfo& cert2 )

// Compares two labels.

// -----------------------------------------------------------------------------

//

TInt CompareDeviceLabels(

    const CpCertManUICertData& cert1,

    const CpCertManUICertData& cert2 )

    {

    return ( (cert1.iDeviceEntryLabel->Des()).

        CompareF( cert2.iDeviceEntryLabel->Des() ) );

    }

// ================= HELPER CLASS ===========================

// Constructor.

CpCertManUICertData::CpCertManUICertData()

    {

    }

// Destructor.

CpCertManUICertData::~CpCertManUICertData()

    {

    delete iCAEntryLabel;

    delete iUserEntryLabel;

    delete iPeerEntryLabel;

    delete iDeviceEntryLabel;

    }

// Releases Certificate entries.

void CpCertManUICertData::Release()

    {

    if ( iCAEntry )

        {

        iCAEntry->Release();

        }

    if ( iUserEntry )

        {

        iUserEntry->Release();

        }

    if ( iPeerEntry )

        {

        iPeerEntry->Release();

        }

    if ( iDeviceEntry )

        {

        iDeviceEntry->Release();

        }

    delete this;

    }

// ================= MEMBER FUNCTIONS =======================

// ---------------------------------------------------------

// CCertManUIKeeper::CCertManUIKeeper()

// Constructor with parent

// ---------------------------------------------------------

//

CpCertDataContainer::CpCertDataContainer()

    {

    }

// ---------------------------------------------------------

// CCertManUIKeeper::~CCertManUIKeeper()

// Destructor

// ---------------------------------------------------------

//

CpCertDataContainer::~CpCertDataContainer()

    {

	iCALabelEntries.Close();

	iUserLabelEntries.Close();

	iPeerLabelEntries.Close();

	iDeviceLabelEntries.Close();

    if ( iWrapper )

        {

        iWrapper->Cancel();

        }

    delete iWrapper;

    delete iFilter;

    delete iKeyFilter;

    delete iStore;

    delete iKeyStore;

    iCAEntries.Close();

    iUserEntries.Close();

    iPeerEntries.Close();

    iDeviceEntries.Close();

    iKeyEntries.Close();

    iRfs.Close();

    }

// ---------------------------------------------------------

// CCertManUIKeeper* CCertManUIKeeper::NewL(const TRect& aRect, TUid aViewId)

// ---------------------------------------------------------

//

CpCertDataContainer* CpCertDataContainer::NewL()

    {

	CpCertDataContainer* self = new ( ELeave ) CpCertDataContainer;

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

// ---------------------------------------------------------

// CCertManUIKeeper* CCertManUIKeeper::NewLC(

//      const TRect& aRect, TUid aViewId)

// ---------------------------------------------------------

//

CpCertDataContainer* CpCertDataContainer::NewLC()

    {

	CpCertDataContainer* self = new ( ELeave ) CpCertDataContainer;

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

// ---------------------------------------------------------

// CCertManUIKeeper::ConstructL(

 //     const TRect& aRect, TUid aViewId

//

// ---------------------------------------------------------

//

void CpCertDataContainer::ConstructL()

    {

    // Ensure that file server session is succesfully created

    User::LeaveIfError( iRfs.Connect() );

    TRAPD ( error, iStore = CUnifiedCertStore::NewL( iRfs, ETrue ) );

	if ( error == KErrNotSupported || error == KErrNotReady

	   || error == KErrArgument || error == KErrNotFound )

		{

		// Something may be wrong with the databases

		ShowErrorNoteL( error );

		}

	User::LeaveIfError( error );

    iWrapper = CpCertManUISyncWrapper::NewL();

    iWrapper->InitStoreL( iStore );

    iFilter = CCertAttributeFilter::NewL();

    TRAP( error, iKeyStore = CUnifiedKeyStore::NewL( iRfs ) );

	if (error == KErrNotSupported || error == KErrNotReady

		|| error == KErrArgument || error == KErrNotFound)

		{

		// Something is wrong with key stores

		ShowErrorNoteL( error );

		}

	User::LeaveIfError( error );

    iWrapper->InitStoreL( iKeyStore );

    iKeyEntries.Close();

    }

// ---------------------------------------------------------

// CCertManUIKeeper::CertManager()

// ---------------------------------------------------------

//

CUnifiedCertStore*& CpCertDataContainer::CertManager()

    {

    return iStore;

    }

// ---------------------------------------------------------

// CCertManUIKeeper::KeyManager()

// ---------------------------------------------------------

//

CUnifiedKeyStore*& CpCertDataContainer::KeyManager()

    {

    return iKeyStore;

    }

// ---------------------------------------------------------

// CCertManUIKeeper::RefreshCAEntriesL()

// Checks that cacerts.dat file is not corrupted and

// returns CA certificates from it

// ---------------------------------------------------------

//

void CpCertDataContainer::RefreshCAEntriesL()

    {

    iFilter->SetOwnerType( ECACertificate );

    iCAEntries.Close();

    CUnifiedCertStore*& store = CertManager();

    iWrapper->ListL( store, &iCAEntries, *iFilter );

    iCALabelEntries.Close();

    for ( TInt ii = 0; ii < iCAEntries.Count(); ii++ )

        {

        switch ( iCAEntries[ii]->CertificateFormat() )

            {

            case EX509Certificate:

                {

                CpCertManUICertData* data = new ( ELeave ) CpCertManUICertData();

                CleanupStack::PushL( data );

                data->iCAEntry = CCTCertInfo::NewL( *iCAEntries[ii] );

                HBufC* pri = NULL;

                HBufC* sec = NULL;

                CCertificate* cert;

                TRAPD(err, iWrapper->GetCertificateL( CertManager(), *iCAEntries[ii], cert ));

                if (( err == KErrArgument ) || ( err == KErrCorrupt ))

                    {

                    // This indicates that certificate is not according to X509

                    // specification or it is corrupted. Ignore certificate

                    if(data->iCAEntry)

                       {

                       data->iCAEntry->Release();

                       }

                    CleanupStack::PopAndDestroy( data ); // data

                    continue;

                    }

                else

                    {

                    User::LeaveIfError( err );

                    }

                CleanupStack::PushL( cert );

                X509CertNameParser::PrimaryAndSecondaryNameL

                    ( *((CX509Certificate*)cert), pri, sec, iCAEntries[ii]->Label());

                CleanupStack::PushL( pri );

                CleanupStack::PushL( sec );

                TInt lenght = 0;

                lenght += iCAEntries[ii]->Label().Length();

                if ( pri )

                    {

                    lenght += pri->Length();

                    }

                if ( sec && !(iCAEntries[ii]->Label().Length()) )

                    {

                    lenght += sec->Length();

                    }

                lenght += KNameSeparator.iTypeLength;

                HBufC* label = HBufC::NewL( lenght );

                label->Des().Append( iCAEntries[ii]->Label() );

                if ( pri )

                    {

                    label->Des().Append( KNameSeparator );

                    label->Des().Append( pri->Des() );

                    }

                if ( sec && !(iCAEntries[ii]->Label().Length()) )

                    {

                    label->Des().Append( sec->Des() );

                    }

                data->iCAEntryLabel = label;

                iCALabelEntries.Append( data );

                CleanupStack::PopAndDestroy( 3, cert ); // pri, sec

                CleanupStack::Pop( data ); 

                break;

                } // EX509Certificate

            case EWTLSCertificate:

                // Do nothing for wtls certificates

                break;

            default:

                {

                User::Leave( KErrNotSupported );

                }

            }   // switch

        }   // for

    // Sort the certificates.

    TLinearOrder<CpCertManUICertData> order( CompareCALabels );

    iCALabelEntries.Sort( order );

    }

// ---------------------------------------------------------

// CCertManUIKeeper::RefreshPeerCertEntriesL()

// Checks that Trusted site certificate store is

// not corrupted and returns Peer certificates from it

// ---------------------------------------------------------

//

void CpCertDataContainer::RefreshPeerCertEntriesL()

    {

    iFilter->SetOwnerType( EPeerCertificate );

    iPeerEntries.Close();

    CUnifiedCertStore*& store = CertManager();

    iWrapper->ListL( store, &iPeerEntries, *iFilter, KCMTrustedServerTokenUid );

    iPeerLabelEntries.Close();

    for ( TInt ii = 0; ii < iPeerEntries.Count(); ii++ )

        {

        switch ( iPeerEntries[ii]->CertificateFormat() )

            {

            case EX509Certificate:

                {

                CpCertManUICertData* data = new (ELeave) CpCertManUICertData();

                CleanupStack::PushL( data );

                data->iPeerEntry = CCTCertInfo::NewL( *iPeerEntries[ii] );

                CCertificate* cert;

                TRAPD( err, iWrapper->GetCertificateL( CertManager(), *iPeerEntries[ii], cert, KCMTrustedServerTokenUid ));

                if (( err == KErrArgument ) || ( err == KErrCorrupt ))

                    {

                    // This indicates that certificate is not according to X509

                    // specification or it is corrupted. Ignore certificate

                    if( data->iPeerEntry )

                       {

                       data->iPeerEntry->Release();

                       }

                    CleanupStack::PopAndDestroy( data ); // data

                    continue;

                    }

                else

                    {

                    User::LeaveIfError( err );

                    }

                CleanupStack::PushL( cert );

                TInt lenght = 0;

                lenght += iPeerEntries[ii]->Label().Length();

                HBufC* label = HBufC::NewL( lenght );

                label->Des().Append( iPeerEntries[ii]->Label() );

                data->iPeerEntryLabel = label;

                iPeerLabelEntries.Append( data );

                CleanupStack::PopAndDestroy( cert ); // cert

                CleanupStack::Pop( data ); // data

                break;

                } // EX509Certificate

            case EWTLSCertificate:

                // Do nothing for wtls certificates

                break;

            default:

                {

                User::Leave( KErrNotSupported );

                }

            }   // switch

        }   // for

    // Sort the certificates.

    TLinearOrder<CpCertManUICertData> order( ComparePeerLabels );

    iPeerLabelEntries.Sort( order );

    }

// ---------------------------------------------------------

// CCertManUIKeeper::RefreshUserCertEntriesL()

// Checks that cacerts.dat file is not corrupted and

// returns User certificates from it

// ---------------------------------------------------------

//

void CpCertDataContainer::RefreshUserCertEntriesL()

    {

    iFilter->SetOwnerType( EUserCertificate );

    iUserEntries.Close();

    CUnifiedCertStore*& store = CertManager();

    iWrapper->ListL( store, &iUserEntries, *iFilter );

    iUserLabelEntries.Close();

    for ( TInt i = 0; i < iUserEntries.Count(); i++ )

        {

       if ( iUserEntries[i]->Handle().iTokenHandle.iTokenTypeUid == KCMDeviceCertStoreTokenUid )

            {

            // User certificates from DeviceCertStore are not

            // shown in Personal certificate view. Ignore this certificate.

            break;

            }

        switch ( iUserEntries[i]->CertificateFormat() )

            {

            case EX509Certificate:

                {

                CpCertManUICertData* data = new (ELeave) CpCertManUICertData();

                CleanupStack::PushL( data );

                data->iUserEntry = CCTCertInfo::NewL( *iUserEntries[i] );

                HBufC* pri = NULL;

                HBufC* sec = NULL;

                CCertificate* cert = NULL;

                TRAPD(error, iWrapper->GetCertificateL( CertManager(), *iUserEntries[i], cert ));

                if( error == KErrArgument)

                    {

                    CleanupStack::PopAndDestroy( data );

                    break;

                    }

                else if ( error != KErrNone )

                    {

                    User::Leave( error );

                    }

                else

                    {

                    CleanupStack::PushL( cert );

                    }

                X509CertNameParser::PrimaryAndSecondaryNameL

                    ( *((CX509Certificate*)cert), pri, sec, iUserEntries[i]->Label());

                CleanupStack::PushL( pri );

                CleanupStack::PushL( sec );

                TInt lenght = 0;

                lenght += iUserEntries[i]->Label().Length();

                if ( pri )

                    {

                    lenght += pri->Length();

                    }

                if ( sec && !(iUserEntries[i]->Label().Length()) )

                    {

                    lenght += sec->Length();