/*

* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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 <asn1dec.h>

#include "x509constraintext.h"

#include "x509bitstring.h"

// Integer list methods

EXPORT_C CX509IntListExt* CX509IntListExt::NewL(const TDesC8& aBinaryData)

	{	

	CX509IntListExt* self = CX509IntListExt::NewLC(aBinaryData);

	CleanupStack::Pop(self);

	return self;

	}

EXPORT_C CX509IntListExt* CX509IntListExt::NewLC(const TDesC8& aBinaryData)

	{

	CX509IntListExt* self = new(ELeave) CX509IntListExt;

	CleanupStack::PushL(self);

	TInt pos = 0;

	self->ConstructL(aBinaryData, pos);

	return self;

	}

CX509IntListExt::~CX509IntListExt() 

	{

	iIntArray.Close();

	}

EXPORT_C const RArray<TInt>& CX509IntListExt::IntArray() const 

	{

	return iIntArray;	

	}		

void CX509IntListExt::ConstructL(const TDesC8& aBinaryData, TInt& aPos)

	{

	CX509ExtensionBase::ConstructL(aBinaryData, aPos);

	}

void CX509IntListExt::DoConstructL(const TDesC8& aBinaryData, TInt& aPos)

	{

	TASN1DecSequence encSeq;	

	CArrayPtrFlat<TASN1DecGeneric>* seq = encSeq.DecodeDERLC(aBinaryData, aPos);

	TInt count = seq->Count();

	TASN1DecInteger encInt;

	for (TInt i = 0; i < count; i++) 

		{

		TASN1DecGeneric* curr = seq->At(i);

		if (curr->Tag() == EASN1Integer)		

			{

			User::LeaveIfError(iIntArray.Append(encInt.DecodeDERShortL(*curr)));

			}		

		else

			{

			User::Leave(KErrArgument);		

			}

		}		

	CleanupStack::PopAndDestroy(seq);

	}

//CX509IntListExt::CX509IntListExt() 

//	{

//	}

// UTF-8 String list methods	

EXPORT_C CX509Utf8StringListExt* CX509Utf8StringListExt::NewL(const TDesC8& aBinaryData)

	{	

	CX509Utf8StringListExt* self = CX509Utf8StringListExt::NewLC(aBinaryData);

	CleanupStack::Pop(self);

	return self;

	}

EXPORT_C CX509Utf8StringListExt* CX509Utf8StringListExt::NewLC(const TDesC8& aBinaryData)

	{

	CX509Utf8StringListExt* self = new(ELeave) CX509Utf8StringListExt;

	CleanupStack::PushL(self);

	TInt pos = 0;

	self->ConstructL(aBinaryData, pos);

	return self;

	}

EXPORT_C const RPointerArray<HBufC>& CX509Utf8StringListExt::StringArray() const

	{

	return iStringArray;

	}	

void CX509Utf8StringListExt::ConstructL(const TDesC8& aBinaryData, TInt& aPos)

	{

	CX509ExtensionBase::ConstructL(aBinaryData, aPos);

	}

void CX509Utf8StringListExt::DoConstructL(const TDesC8& aBinaryData, TInt& aPos)

	{

	TASN1DecSequence encSeq;	

	CArrayPtrFlat<TASN1DecGeneric>* seq = encSeq.DecodeDERLC(aBinaryData, aPos);

	TInt count = seq->Count();

	TASN1DecUTF8String encStr;

	for (TInt i = 0; i < count; i++) 

		{

		TASN1DecGeneric* curr = seq->At(i);

		if (curr->Tag() == EASN1UTF8String)		

			{

			HBufC *str = encStr.DecodeDERL(*curr);

			CleanupStack::PushL(str);

			User::LeaveIfError(iStringArray.Append(str));

			CleanupStack::Pop(str);

			}		

		else

			{

			User::Leave(KErrArgument);		

			}

		}		

	CleanupStack::PopAndDestroy(seq);

	}

CX509Utf8StringListExt::~CX509Utf8StringListExt() 

	{

	iStringArray.ResetAndDestroy();

	}

// Capability set methods

EXPORT_C CX509CapabilitySetExt* CX509CapabilitySetExt::NewL(const TDesC8& aBinaryData) 

	{

	CX509CapabilitySetExt* self = CX509CapabilitySetExt::NewLC(aBinaryData);

	CleanupStack::Pop(self);

	return self;

	}

EXPORT_C CX509CapabilitySetExt* CX509CapabilitySetExt::NewLC(const TDesC8& aBinaryData) 

	{

	CX509CapabilitySetExt* self = new (ELeave) CX509CapabilitySetExt;

	CleanupStack::PushL(self);

	TInt pos = 0;

	self->ConstructL(aBinaryData, pos);

	return self;

	}

CX509CapabilitySetExt::~CX509CapabilitySetExt() 

	{	

	}

EXPORT_C const TCapabilitySet& CX509CapabilitySetExt::CapabilitySet() const

	{

	return iCapabilitySet;

	}

void CX509CapabilitySetExt::ConstructL(const TDesC8& aBinaryData, TInt& aPos)

	{

	CX509ExtensionBase::ConstructL(aBinaryData, aPos);

	}

void CX509CapabilitySetExt::DoConstructL(const TDesC8& aBinaryData, TInt& aPos) 

	{

	TASN1DecBitString encBit;	

	// Decode the padding bits

	HBufC8* bitBuffer = encBit.ExtractOctetStringL(aBinaryData, aPos);

	CleanupStack::PushL(bitBuffer);

	// Create bitString for easy access of individual bits.

	// This transfers ownership of bitBuffer

	CX509BitString* bitString = new (ELeave) CX509BitString(bitBuffer, bitBuffer->Length() * 8);	

	CleanupStack::Pop(bitBuffer);

	// Start off with an empty capability set and attempt to add each capability in turn

	// making sure we don't go past the limit of the supported capabilities.

	iCapabilitySet.SetEmpty();

	for (TInt i = 0; i < ECapability_Limit; i++) 

		{

		if (bitString->IsSet(i))		

			{

			iCapabilitySet.AddCapability(static_cast<TCapability>(i));		

			}

		}	

	delete bitString;

	}