/*

* Copyright (c) 2002-2009 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:  WIM Certificate handler

*

*/

#ifndef CWIMCERTHANDLER_H

#define CWIMCERTHANDLER_H

//  INCLUDES

#include "WimClsv.h"

// FORWARD DECLARATIONS

class CWimMemMgmt;

class CWimUtilityFuncs;

// CLASS DECLARATION

/**

*  Class for handling certificates in WIM card

*  

*  @since Series60 2.1

*/

class CWimCertHandler : public CBase

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CWimCertHandler* NewL();

        /**

        * Destructor.

        */

        virtual ~CWimCertHandler();

    public: // New functions

        /**

        * Fetches certificates from WIM card.

        * @param aMessage Encapsulates a client request.

        * @param aWimMgmt Pointer to WIM reference management class.

        */

        void GetCertificatesFromWimL( const RMessage2& aMessage, 

                                      CWimMemMgmt* aWimMgmt );

        /**

        * Fetches certificate extra information from WIM card.

        * Extra information includes trusted usage and CDF referense

        * information.

        * @param aMessage Encapsulates a client request.

        * @param aWimMgmt Pointer to WIM reference management class.

        */

        void GetExtrasFromWimL( const RMessage2& aMessage, 

                                CWimMemMgmt* aWimMgmt );

        /**

        * Fetches count of certicates in certain WIM card.

        * @param aMessage Encapsulates a client request.

        * @param aWimMgmt Pointer to WIM reference management class.

        */

        void GetCerticateCountL( const RMessage2& aMessage, 

                                 CWimMemMgmt* aWimMgmt ) const;

        /**

        * Stores certificate to the WIM card.

        * @since Series60 2.6

        * @param aRequest Enumerator used in message 

                          passing between client and server.   

        * @param aMessage Encapsulates a client request.

        */

        void StoreCertificateL( TWimServRqst aRequest,

                                const RMessage2& aMessage ) const;

        /**

        * Removes certificate from a WIM card.

        * @since Series60 2.6

        * @param aMessage Encapsulates a client request.

        * @param aWimMgmt Pointer to WIM reference management class.

        */

        void RemoveCertificateL( const RMessage2& aMessage,

                                 CWimMemMgmt* aWimMgmt ) const;

        /**

        * Fetches certificate details.

        * @param aOpCode Enumerator used in message 

                          passing between client and server.   

        * @param aMessage Encapsulates a client request.

        */

        void GetCertificateDetailsL( TWimServRqst aOpCode,

                                      const RMessage2& aMessage ) ;

        /**

        * Exports Public Key of certificate

        * @since Series60 2.6

        * @param aMessage Encapsulates a client request.

        */

        void ExportPublicKeyL( const RMessage2& aMessage ) const;

        TBool SanityCheck( TUint32 aCertRef );

        TBool CheckReadCapsForUsage( const RMessage2& aMsg,

                                       TUint8 aUsage );

        WIMI_STAT ResolveCertUsage( const RMessage2& aMsg,

                                                TUint8& aUsage );

        WIMI_STAT GetCertificateInfo( WIMI_Ref_pt aCertRef,

                                                  TUint8& aUsage );

    private:

        CWimCertHandler();

        void ConstructL();

        /**

        * Fetches certificate from the WIM card.

        * @param aTmpWimRef Reference(id) of certain WIM card.

        * @param aUsage     Certificate usage. Client/CA.

        * @param aCertNum   Certificate number.

        * @param aCertRefLst    Pointer to certificate reference list.

        * @param aCertInfoLst   Pointer to certificate info list.

        * @param aMessage   Encapsulates a client request.

        * @return Status returned by WIMI. See in wimclsv.h.

        */

        WIMI_STAT GetCertificateFromWimRefL( WIMI_Ref_t* aTmpWimRef,

                                             TInt8 aUsage,

                                             TUint8& aCertNum,

                                             TUint32* aCertRefLst,

                                             TWimCertInfo* aCertInfoLst,  

                                             const RMessage2& aMessage );

        /**

        * Copies certificate information to client's allocated memory area.

        * @param aCertInfo  Certificate information to be copied.

        * @param aCert      Certificate reference.

        * @param aMessage   Encapsulates a client request.

        * @return TInt      KErrNone or KErrArgument

        */

        TInt CopyCertificateInfo( TWimCertInfo& aCertInfo,

                                   WIMI_Ref_t* aCert,  

                                   const RMessage2& aMessage );

        /**

        * Fetches certificate extra information from the WIM card.

        * @param aTmpWimRef Reference(id) of certain WIM card.

        * @param aUsage     Certificate usage. Client/CA.

        * @param aKeyHash   Certificate key hash.

        * @param aMessage   Encapsulates a client request.

        * @return Status returned by WIMI. See in WimClsv.h.

        */

        WIMI_STAT GetExtrasFromWimRefL( WIMI_Ref_t* aTmpWimRef,                                  

                                        TInt8 aUsage,

                                        TDesC8& aKeyHash,

                                        const RMessage2& aMessage );

        /**

        * Copies certificate extra information to client's allocated

        * memory area. Extra information includes trusted usage OID's

        * and certificate location information.

        * @param aCert            Certificate reference.

        * @param aMessage         Encapsulates a client request.

        */

        void CopyCertExtrasInfoL( WIMI_Ref_t* aCert,

                                  const RMessage2& aMessage );

        /**

        * Get count of certificates in WIM

        * @param aRef       WIM card reference pointer.

        * @param aCertCount Count of certificates in WIM card pointed by aRef

        * @param aUsage     Certificate usage.

        * @return Status returned by WIMI. See in wimclsv.h.

        */

        WIMI_STAT GetCertificateCountByWIM( WIMI_Ref_t* aRef, 

                                            TUint8& aCertCount, 

                                            TUint8 aUsage ) const;

        /**

        * Parse Public Key from certificate.

        * @since Series60 2.6

        * @param aCertData   Certificate binary data

        * @param aPublicKey  Public Key

        * @param aCertType   Certificate type (X509/WTLS)

        */

        void ParseCertPublicKeyL( const TDesC8& aCertData,

                                  TDes8& aPublicKey,

                                  const TUint8 aCertType ) const;

    private:    // Data

        CWimUtilityFuncs* iWimUtilFuncs;

        RArray<TUint32> iCertRefLst;

    };

#endif      // CWIMCERTHANDLER_H

//End of File