/*

* Copyright (c) 2002 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: 

*

*/

// INCLUDE FILES

#include    "CCMSX509AttributeCertificate.h"

#include "CCMSX509AttributeCertificateInfo.h"

#include "CCMSX509AlgorithmIdentifier.h"

#include <asn1dec.h>

#include <asn1enc.h>

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

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

// CCMSX509AttributeCertificate::CCMSX509AttributeCertificate

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

EXPORT_C CCMSX509AttributeCertificate::CCMSX509AttributeCertificate()

    {

    }

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

// CCMSX509AttributeCertificate::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

EXPORT_C void CCMSX509AttributeCertificate::ConstructL(

    const CCMSX509AttributeCertificateInfo& aInfo,

    const CCMSX509AlgorithmIdentifier& aAlgorithmIdentifier,

    const TDesC8& aEncrypted )

    {

    BaseConstructL( aAlgorithmIdentifier, aEncrypted );

    SetInfoL( aInfo );

    }

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

// CCMSX509AttributeCertificate::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

EXPORT_C void CCMSX509AttributeCertificate::ConstructL( )

    {

    // creating empty/default values

    iInfo = CCMSX509AttributeCertificateInfo::NewL();

    iAlgorithmIdentifier = CCMSX509AlgorithmIdentifier::NewL();

    iEncrypted = KNullDesC8().AllocL();

    }

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

// CCMSX509AttributeCertificate::NewL

// Two-phased constructor.

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

//

EXPORT_C CCMSX509AttributeCertificate*

CCMSX509AttributeCertificate::NewL()

	{

	// creating with empty values

    CCMSX509AttributeCertificate* self =

        new( ELeave ) CCMSX509AttributeCertificate();

    CleanupStack::PushL( self );

    self->ConstructL( );

    CleanupStack::Pop( self );

	return self;

	}

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

// CCMSX509AttributeCertificate::NewL

// Two-phased constructor.

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

//

EXPORT_C CCMSX509AttributeCertificate*

CCMSX509AttributeCertificate::NewL(

    const CCMSX509AttributeCertificateInfo& aInfo,

    const CCMSX509AlgorithmIdentifier& aAlgorithmIdentifier,

    const TDesC8& aEncrypted )

    {

    CCMSX509AttributeCertificate* self =

        new( ELeave ) CCMSX509AttributeCertificate();

    CleanupStack::PushL( self );

    self->ConstructL( aInfo, aAlgorithmIdentifier, aEncrypted );

    CleanupStack::Pop();

    return self;

    }

// Destructor

CCMSX509AttributeCertificate::~CCMSX509AttributeCertificate()

    {

	delete iInfo;

    }

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

// CCMSX509AttributeCertificate::DecodeL

// Decrypts raw data to this instance

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

void CCMSX509AttributeCertificate::DecodeL( const TDesC8& aRawData )

	{

    CCMSX509AlgorithmIdentifier* algId = NULL;

    HBufC8* encrypted = NULL;

    TASN1DecGeneric infoDecoder =

        DecodeSignatureL( aRawData, algId, encrypted );

    CleanupStack::PushL( algId );

    CleanupStack::PushL( encrypted );

    // decode info

    CCMSX509AttributeCertificateInfo* info =

        CCMSX509AttributeCertificateInfo::NewL( );

    CleanupStack::PushL( info );

    info->DecodeL( infoDecoder.Encoding() );

    // all done, change state

    delete iInfo;

    iInfo = info;

    delete iAlgorithmIdentifier;

    iAlgorithmIdentifier = algId;

    delete iEncrypted;

    iEncrypted = encrypted;

    CleanupStack::Pop( 3 ); // info, encrypted, algId

	}

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

// CCMSX509AttributeCertificate::EncoderLC

// Returns ASN1 encoder for this instance

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

CASN1EncBase* CCMSX509AttributeCertificate::EncoderLC() const

	{

    // encode AttributeCertificateInfo

    CASN1EncBase* info = iInfo->EncoderLC( );

    // sign

    CASN1EncSequence* root = SignAndPopLC( info );

    return root;

    }

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

// CCMSX509AttributeCertificate::Info()

// Getter for AttributeCertificateInfo

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

EXPORT_C const CCMSX509AttributeCertificateInfo&

CCMSX509AttributeCertificate::Info() const

	{

	return *iInfo;

	}

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

// CCMSX509AttributeCertificate::SetInfoL()

// Setter for AttributeCertificateInfo

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

EXPORT_C void CCMSX509AttributeCertificate::SetInfoL(

    const CCMSX509AttributeCertificateInfo& aInfo )

	{

    CCMSX509AttributeCertificateInfo* info = NULL;

    const CCMSX509IssuerSerial* baseCertificateID = aInfo.BaseCertificateID();

    if( baseCertificateID )

        {

        info = CCMSX509AttributeCertificateInfo::NewL(

            *baseCertificateID,

            aInfo.Issuer(),

            aInfo.Signature(),

            aInfo.SerialNumber(),

            aInfo.NotBeforeTime(),

            aInfo.NotAfterTime(),

            aInfo.Attributes() );

        }

    else

        {

        info = CCMSX509AttributeCertificateInfo::NewL(

            *aInfo.SubjectName(),

            aInfo.Issuer(),

            aInfo.Signature(),

            aInfo.SerialNumber(),

            aInfo.NotBeforeTime(),

            aInfo.NotAfterTime(),

            aInfo.Attributes() );

        }

    CleanupStack::PushL( info );

    info->SetVersion( aInfo.Version() );

    const TDesC8* issuerUniqueID = aInfo.IssuerUniqueID();

    if( issuerUniqueID )

        {

        info->SetIssuerUniqueIDL( *issuerUniqueID );

        }

    delete iInfo;

    iInfo = info;

    CleanupStack::Pop( info );

	}

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

// CCMSX509AttributeCertificate::DecodeImplicitTagL

// Decrypts raw data with implicit tag

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

void CCMSX509AttributeCertificate::DecodeImplicitTagL(

    const TDesC8& aRawData,

    const TTagType aImplicitTag )

    {

    CArrayPtr< TASN1DecGeneric >* items = NULL;

    // Check the tag

    TASN1DecGeneric decGen( aRawData );

    decGen.InitL();

    // Accept only given tag

    if( decGen.Tag() != aImplicitTag )

        {

        User::Leave( KErrArgument );

        }

    TASN1DecSequence decSeq;

    items = decSeq.DecodeDERLC( decGen );

    DecodeArrayL( items );

    CleanupStack::PopAndDestroy( items );

    }

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

// CCMSX509AttributeCertificate::DecodeArrayL

// Decodes data from an array of decoders

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

void CCMSX509AttributeCertificate::DecodeArrayL(

    CArrayPtr< TASN1DecGeneric >* aItems )

    {

    CCMSX509AlgorithmIdentifier* algId = NULL;

    HBufC8* encrypted = NULL;

    TASN1DecGeneric infoDecoder =

        DecodeSignatureArrayL( *aItems, algId, encrypted );

    CleanupStack::PushL( algId );

    CleanupStack::PushL( encrypted );

    // decode info

    CCMSX509AttributeCertificateInfo* info =

        CCMSX509AttributeCertificateInfo::NewL( );

    CleanupStack::PushL( info );

    info->DecodeL( infoDecoder.Encoding() );

    // all done, change state

    delete iInfo;

    iInfo = info;

    delete iAlgorithmIdentifier;

    iAlgorithmIdentifier = algId;

    delete iEncrypted;

    iEncrypted = encrypted;

    CleanupStack::Pop( 3 ); // info, encrypted, algId

    }

//  End of File