// Copyright (c) 2007-2009 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:

// Implements the Test 'Single Process' Stream Agent Key Stream Decoder object.

// 

//

/**

 @file

 @test

*/

#include "testsingleprocesskeystreamdecoder.h"

using namespace StreamAccess;

CTestSingleProcessKeyStreamDecoder::CTestSingleProcessKeyStreamDecoder()

/**

 	Constructor.

 */

	: CTestKeyStreamDecoderBase()

	{

	//empty

	}

CTestSingleProcessKeyStreamDecoder::~CTestSingleProcessKeyStreamDecoder()

/**

 	Destructor.

 */

	{	

	iFs.Close();

	delete iKeyStreamSink;

#ifdef INTERNALLY_ENABLE_UPWARD_DEPENDENCY	

	delete iSdp;

	delete iSdpDoc;

#endif

	delete iRo;

	}

EXPORT_C CTestSingleProcessKeyStreamDecoder* CTestSingleProcessKeyStreamDecoder::NewL(const CKeyStreamSink& aKeyStreamSink,

	    															  const CSdpMediaField& aSdpKeyStream,

	    															  const CSdpDocument& aSdpDoc)

/**

	Factory function allocates a new instance of CTestSingleProcessKeyStreamDecoder.

	@return		New instance of CTestSingleProcessKeyStreamDecoder

 */

	{

	CTestSingleProcessKeyStreamDecoder* self = CTestSingleProcessKeyStreamDecoder::NewLC(aKeyStreamSink, aSdpKeyStream, aSdpDoc);

	CleanupStack::Pop(self);

	return self;

	}

EXPORT_C CTestSingleProcessKeyStreamDecoder* CTestSingleProcessKeyStreamDecoder::NewLC(const CKeyStreamSink& aKeyStreamSink,

	    															   const CSdpMediaField& aSdpKeyStream,

	    															   const CSdpDocument& aSdpDoc)

/**

	Factory function allocates a new instance of CTestSingleProcessKeyStreamDecoder 

	and places the object on the cleanup stack.

	@return		A new instance of CTestSingleProcessKeyStreamDecoder 

				which is left on the cleanup stack.

 */

	{

	CTestSingleProcessKeyStreamDecoder* self = new (ELeave) CTestSingleProcessKeyStreamDecoder();

	CleanupStack::PushL(self);

	self->ConstructL(aKeyStreamSink, aSdpKeyStream, aSdpDoc);

	return self;

	}

void CTestSingleProcessKeyStreamDecoder::ConstructL(const CKeyStreamSink& aKeyStreamSink,

											const CSdpMediaField& aSdpKeyStream,

											const CSdpDocument& aSdpDoc)

/**

 	Second phase constructor.

 */

	{

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

	iKeyStreamSink = aKeyStreamSink.CloneLC();

	CleanupStack::Pop(iKeyStreamSink);

	// Set the encryption and authentication algorithm of the key stream sink

	iKeyStreamSink->SetEncryptionAlgorithmL(EAES_128_CBC);

	iKeyStreamSink->SetAuthenticationAlgorithmL(EHMAC_SHA1);

#ifdef INTERNALLY_ENABLE_UPWARD_DEPENDENCY	

	iSdp = aSdpKeyStream.CloneL();

	iSdpDoc = aSdpDoc.CloneL();

#else

    (void) aSdpKeyStream;

	(void) aSdpDoc;

#endif

	SetRoL();

	}

EXPORT_C void CTestSingleProcessKeyStreamDecoder::GetAttributeL(const TAttribute& aAttribute, TBool& aValue)

/**

 	@see CAgentKeyStreamDecoder::GetAttributeL

 */ 	

	{

	VerifyRoL();

	aValue = EFalse;

	switch(aAttribute)

		{

		case EIsProgramProtected:

			aValue = iRo->AccessRights() & EProgramProtected;

			break;

		case EIsServiceProtected:

			aValue = iRo->AccessRights() & EServiceProtected;

			break;

		case ECanExport:

			aValue = iRo->AccessRights() & ECanExportContent;

			break;

		case EMustProtectIfRecording:

			aValue = iRo->AccessRights() & EMustProtectContentIfRecording;

			break;

		case ECanPlay:

			aValue = iRo->AccessRights() & ECanPlayContent;

			break;

		default:

			User::Leave(KErrCAOutOfRange);

		}

	// If the the return value is greater than 0, set the boolean value to ETrue

	if(aValue)

		{

		aValue = ETrue;

		}

	}

EXPORT_C HBufC* CTestSingleProcessKeyStreamDecoder::GetStringAttributeLC(const TStringAttribute& aAttribute)

/**

 	@see CAgentKeyStreamDecoder::GetStringAttributeL

 */

	{

	VerifyRoL();

	HBufC8* str8 = NULL;

	switch(aAttribute)

		{

		case EContentID:

			str8 = iRo->ContentId();

			break;

		case ERightsIssuerURI:

			str8 = iRo->RightsIssuer();

			break;

		default:

			User::Leave(KErrCAOutOfRange);

		}

	//Convert 8-bit to 16-bit

	HBufC* value = HBufC::NewL(str8->Des().Size());

	TPtr ptr(value->Des());

	ptr.Copy(str8->Des());

	CleanupStack::PushL(value);

	return value;

	}

EXPORT_C void CTestSingleProcessKeyStreamDecoder::GetPostDeliveryRightsL(RFile& /*aFile*/, TDes8& /*aCid*/, TDes8& /*aRightsMimeType*/, TDes8& /*aContentMimeType*/)

/**

 	@see CAgentKeyStreamDecoder::GetPostDeliveryRightsHandleL

 */

	{

	User::Leave(KErrNotSupported);

	}

EXPORT_C void CTestSingleProcessKeyStreamDecoder::SendKeyStreamL(const TDesC8& aKey) const

/**

 	Sends an encrypted short-term key to the key stream sink

 	@param aKey An encrypted key.

 */

	{

	HBufC8* shortTermKey = aKey.AllocLC();

	//Check if the long-term key key exists in the short-term key

	TInt ret = shortTermKey->Find(*iRo->Key());

	if(ret == KErrNotFound)

		{

		User::Leave(KErrGeneral);

		}

	//Get the plain string (key)

	HBufC8* decryptedKey = HBufC8::NewLC(ret);

	TPtr8 ptrKey(decryptedKey->Des());

	ptrKey.Copy(shortTermKey->Des().Ptr(), ret);

	CTestKeyAssociation* decryptedAssoc = CTestKeyAssociation::NewL(ptrKey);

	CleanupStack::PushL(decryptedAssoc);

	iKeyStreamSink->ProcessNewKeyAssociationL(*decryptedAssoc);

	CleanupStack::PopAndDestroy(3, shortTermKey); //< shortTermKey, decryptedKey, decryptedAssoc

	}

EXPORT_C void CTestSingleProcessKeyStreamDecoder::SendIpSecAssociationL(TInt32 aSpi, HBufC8* aEncryptionKey, HBufC8* aAuthenticationKey) const

	{

	CKeyAssociation* ipSecKeyAssociation = CIpSecKeyAssociation::NewLC(aSpi, aEncryptionKey, aAuthenticationKey);			

	iKeyStreamSink->ProcessNewKeyAssociationL(*ipSecKeyAssociation);

	CleanupStack::PopAndDestroy(ipSecKeyAssociation);

	}

void CTestSingleProcessKeyStreamDecoder::SetRoL()

	{

	_LIT(KDriveFormat,"!:");

	TBuf<50> privateFolder;

	iFs.PrivatePath(privateFolder);

	privateFolder.Insert(0,KDriveFormat);

	DoSetRightsObjectL(iFs, *iSdp, iRo, privateFolder);

	}

void CTestSingleProcessKeyStreamDecoder::VerifyRoL()

/**

 	Verifies that the rights object exists.

 */

	{

	if(!iRo)

		{//The RO defined in the SDP does not exist

		User::Leave(KErrCANoRights);

		}

	if(iRo->IsExpired())

		{

		User::Leave(KErrCANoPermission);

		}

	}