/*

* 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:  Server authentication

*

*/

#ifndef __NSMLAUTH_H

#define __NSMLAUTH_H

#include <e32base.h>

#include "nsmlerror.h"

class CNSmlAgentBase;

class CNSmlFutureReservation;

class CNSmlAuth : public CBase 

	{

	public:  // New functions

	IMPORT_C static CNSmlAuth* NewL();

	~CNSmlAuth();    //from CBase

	IMPORT_C void SetSyncAgent( CNSmlAgentBase* aAgent ); 

	IMPORT_C void SetCredentialL( const TDesC8& aCredential );

	void SetTypeL( const TDesC8& aType );

	void SetFormatL( const TDesC8& aFormat );

	IMPORT_C void SetAuthRequiredL();

	void SetChallenced();

	void CreateAndSaveNewNonceL();

	TPtrC8 NonceL();

	TBool ChallengeNeeded() const;

	IMPORT_C TBool Challenged() const;

	TNSmlError::TNSmlSyncMLStatusCode StatusCodeL();

	private:

	void ConstructL();

	CNSmlAuth();

	CNSmlAuth( const CNSmlAuth& aOther );

	CNSmlAuth& operator=( const CNSmlAuth& aOther );

	TNSmlError::TNSmlSyncMLStatusCode CheckCredentialL();

	// Private variables

	private:

	enum TAuthState

		{

		ENotInUse,

		ENotAuthenticated,

		EAuthChallenced,

		EAuthenticated,

		EChallencedForNext

		};

	TAuthState iAuthState;

	HBufC8* iCredential;

	HBufC8* iType;

	HBufC8* iFormat;

	HBufC8* iNonce;

	HBufC8* iB64Nonce;

	CNSmlAgentBase* iAgent;

	// Reserved to maintain binary compability

	CNSmlFutureReservation* iReserved;

	};

#endif // __NSMLAUTH_H