/*

* 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:  Basic PIN query operation in security dialog

*

*/

#include "securitydialogoperbasicpinquery.h" // CBasicPinQueryOperation

#include "securitydialogoperationobserver.h" // MSecurityDialogOperationObserver

#include <hb/hbcore/hbtextresolversymbian.h> // HbTextResolverSymbian

#include "securitydialogstrace.h"       // TRACE macro

// TODO: fix this

#include "../../../securitydialogs/SecUi/Inc/SecQueryUi.h"  // CSecQueryUi

// Descriptors for different password queries

_LIT( KBasicPinQueryKeyStorePassphrase, "Key store passphrase" );

_LIT( KBasicPinQueryNewKeyStorePassphrase, "New key store passphrase" );

_LIT( KBasicPinQueryImportedKeyFilePassphrase, "Passphrase of the imported key file" );

_LIT( KBasicPinQueryExportedKeyFilePassphrase, "Passphrase of the exported key file" );

_LIT( KBasicPinQueryPKCS12, "PKCS12");

const TInt KMinimunAcceptedKeystorePassphraseLength = 6;

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

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

// CBasicPinQueryOperation::NewL()

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

//

CBasicPinQueryOperation* CBasicPinQueryOperation::NewL(

        MSecurityDialogOperationObserver& aObserver, const RMessage2& aMessage,

        TInt aReplySlot )

    {

    TRACE( "CBasicPinQueryOperation::NewL, aMessage 0x%08x", aMessage.Handle() );

    return new( ELeave ) CBasicPinQueryOperation( aObserver, aMessage, aReplySlot );

    }

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

// CBasicPinQueryOperation::~CBasicPinQueryOperation()

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

//

CBasicPinQueryOperation::~CBasicPinQueryOperation()

    {

    TRACE( "CBasicPinQueryOperation::~CBasicPinQueryOperation" );

    Cancel();

    delete iQueryUi;

    iQueryUi = NULL;

    iPinInput = NULL;   // not owned

    }

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

// CBasicPinQueryOperation::StartL()

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

//

void CBasicPinQueryOperation::StartL( const TDesC8& aBuffer )

    {

    TRACE( "CBasicPinQueryOperation::StartL" );

    iPinInput = reinterpret_cast< const TPINInput* >( aBuffer.Ptr() );

    ASSERT( iPinInput != NULL );

    iStatus = KRequestPending;

    TRequestStatus* status = &iStatus;

    User::RequestComplete( status, KErrNone );

    SetActive();

    }

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

// CBasicPinQueryOperation::CancelOperation()

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

//

void CBasicPinQueryOperation::CancelOperation()

    {

    TRACE( "CBasicPinQueryOperation::CancelOperation" );

    // nothing to do

    }

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

// CBasicPinQueryOperation::RunL()

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

//

void CBasicPinQueryOperation::RunL()

    {

    TRACE( "CBasicPinQueryOperation::RunL, iStatus.Int()=%d", iStatus.Int() );

    User::LeaveIfError( iStatus.Int() );

    TBool isRetry = ( iPinInput->iOperation & EPINValueIncorrect );

    if( isRetry )

        {

        // Show "Invalid PIN code" error note, as previous attempt was failed.

        // TODO: localized UI string needed

        _LIT( KInvalidPinCode, "Invalid PIN code" );

        ShowWarningNoteL( KInvalidPinCode );

        }

    HBufC* caption = NULL;

    TInt minLength = 0;

    TInt maxLength = 0;

    TInt mode = ESecUiAlphaSupported | ESecUiSecretSupported | ESecUiCancelSupported |

            ESecUiEmergencyNotSupported;

    if( iPinInput->iPIN.iPINLabel == KBasicPinQueryKeyStorePassphrase )

        {

        // "Enter code for phone keystore:"

        minLength = KMinimunAcceptedKeystorePassphraseLength;

        // TODO: localized UI string needed

        _LIT( KText, "Keystore password:" );

        caption = KText().AllocLC();

        }

    else if( iPinInput->iPIN.iPINLabel == KBasicPinQueryNewKeyStorePassphrase )

        {

        // "Keystore password must be created for using private keys."

        minLength = KMinimunAcceptedKeystorePassphraseLength;

        // SecUi creates two input fields when caption contains two labels

        // separated with a vertical bar. SecUi verifies that user types the

        // same passphrase in both fields.

        // TODO: localized UI strings needed

        _LIT( KText, "Create keystore password:|Verify:" );

        caption = KText().AllocLC();

        }

    else if( iPinInput->iPIN.iPINLabel == KBasicPinQueryImportedKeyFilePassphrase )

        {

        // "Enter code for imported key:"

        // TODO: localized UI strings needed

        _LIT( KText, "Enter code for imported key:|Verify:" );

        caption = KText().AllocLC();

        }

    else if( iPinInput->iPIN.iPINLabel == KBasicPinQueryExportedKeyFilePassphrase )

        {

        // "Enter new code for exported key:"

        // TODO: localized UI strings needed

        _LIT( KText, "Enter new code for exported key:|Verify:" );

        caption = KText().AllocLC();

        }

    else if( iPinInput->iPIN.iPINLabel == KBasicPinQueryPKCS12 )

        {

        // "Password for %U:", PKCS#12 password query prompt

        // TODO: localized UI string needed

        _LIT( KText, "Password for PKCS#12 file:" );

        caption = KText().AllocLC();

        }

    else

        {

        // "Enter code for %0U in %1U"

        // Data query for PIN request in keystore where %0U is the PIN's name %1U is the keystore's name.

        // TODO: EEnterPinNR

        caption = iPinInput->iPIN.iPINLabel.AllocLC();

        }

    ASSERT( iQueryUi == NULL );

    iQueryUi = CSecQueryUi::NewL();

    TInt resultCode = iQueryUi->SecQueryDialog( *caption, iPinValue, minLength, maxLength, mode );

    ReturnResultL( resultCode );

    if( caption )

        {

        CleanupStack::PopAndDestroy( caption );

        caption = NULL;

        }

    }

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

// CBasicPinQueryOperation::DoCancel()

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

//

void CBasicPinQueryOperation::DoCancel()

    {

    TRACE( "CBasicPinQueryOperation::DoCancel" );

    if( iQueryUi )

        {

        delete iQueryUi;

        iQueryUi = NULL;

        }

    }

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

// CBasicPinQueryOperation::CBasicPinQueryOperation()

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

//

CBasicPinQueryOperation::CBasicPinQueryOperation(

        MSecurityDialogOperationObserver& aObserver, const RMessage2& aMessage,

        TInt aReplySlot ) : CSecurityDialogOperation( aObserver, aMessage, aReplySlot )

    {

    }

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

// CBasicPinQueryOperation::ReturnResultL()

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

//

void CBasicPinQueryOperation::ReturnResultL( TInt aErrorCode )

    {

    TRACE( "CBasicPinQueryOperation::ReturnResultL, begin, aErrorCode=%d", aErrorCode );

    if( aErrorCode == KErrNone )

        {

        TPINValueBuf output( iPinValue );

        iMessage.WriteL( iReplySlot, output );

        }

    TRACE( "CBasicPinQueryOperation::ReturnResultL, completing msg 0x%08x", iMessage.Handle() );

    iMessage.Complete( aErrorCode );

    TRACE( "CBasicPinQueryOperation::ReturnResultL, informing observer" );

    iObserver.OperationComplete();

    TRACE( "CBasicPinQueryOperation::ReturnResultL, end" );

    }