/*

* Copyright (c) 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: An XmlSec interface to the Symbian Unified Certificate Store.       

*

*/

#ifndef __XMLSECCERTMAN_SYMBIANCERTSTORE_H_

#define __XMLSECCERTMAN_SYMBIANCERTSTORE_H__

#include <e32base.h>

#include <unifiedcertstore.h>

#include <e32std.h>

#include <signed.h>

#include <mctwritablecertstore.h>

class CSymbianCertStore : public CActive

    {

public:        

    /**

     * Create new object.

     *

     * @since S60 v3.2

     * @return pointer to new object

     */

    IMPORT_C static CSymbianCertStore* NewL();

    /**

     * Create new object and put it on clean stack.

     *

     * @since S60 v3.2

     * @return pointer to new object

     */    

     IMPORT_C static CSymbianCertStore* NewLC();

    /**

     * Destructor.

     */

    virtual ~CSymbianCertStore();

    /**

     * Create Unified Cert Store

     *

     * @since  S60 v3.2

     */

    /**

     * Find a cert in the Unified Cert Store

     *

     * @since S60 v3.2 

     * @param aLabel The name of the cert to be found

     */

    IMPORT_C void FindCertL(const TDesC8 &aLabel);

    /**

     * List certs from the Unified Cert Store

     *

     * @since S60 v3.2 

     * @param aLabel The name of the cert to be found

     */

    IMPORT_C void ListCertL();

    /**

     * Get list of certs from SymbianCertStore

     *

     * @since  S60 v3.2

     * @return RMPointerArray<CCTCertInfo> list

     */            

    IMPORT_C RMPointerArray<CCTCertInfo> GetCertList();

    /**

     * Check if a cert is found in the Unified Cert Store

     *

     * @since  S60 v3.2

     * @return KErrNone if the cert is found

     * @return KErrNotFound if the cert is not found

     */     

    IMPORT_C TInt CSymbianCertStore::hasCert();

    /**

     * Sets iCert

     *

     * @since  S60 v3.2

     */  

    IMPORT_C void SetCert(CCTCertInfo* cert);

    /**

     * Get the size of the cert stored

     *

     * @since  S60 v3.2

     * @return TUint Size of the cert

     */            

    IMPORT_C TUint GetCertSize();

    /**

     * AddCert

     *

     * @since  S60 v3.2

     * @param aCertData The cert data

     * @param aCertName Name of the cert 

     */

    IMPORT_C void AddCert (const TDesC8 &aCertData, const TDesC8 &aCertName);

     /**

     * Retrieve Cert Data. Sets iCertData from iCert

     *

     * @since  S60 v3.2 

     */

    IMPORT_C void RetrieveCertDataL();

    /**

     * Get Cert Data.

     *

     * @since  S60 v3.2

     * @return the buffer with cert data 

     */      

    IMPORT_C HBufC8* GetRetrieveCertData();

     /**

     * Retrieve Cert Object. Sets iCertObject from iCert

     *

     * @since  S60 v3.2 

     */        

    IMPORT_C void RetrieveCertObjectL();

    /**

     * Get Cert Object.

     *

     * @since  S60 v3.2

     * @return reference to object type CCertificate 

     */            

    IMPORT_C CCertificate* GetRetrieveCertObject();

     /**

     * Get the error flag

     *

     * @since S60 v3.2

     * @return error code

     */           

    IMPORT_C TInt CSymbianCertStore::GetError();

protected:

    /**

     * From CActive Callback function, invoked to handle responses from the server

     */

    void RunL();

    /**

     * This function is called as part of the active object's Cancel().

     */         

    void DoCancel();

    /**

     * Handles Leaves from RunL function.

     */        

    TInt RunError(TInt aError);

private:

    /**

     * C++ default constructor.

     */

    CSymbianCertStore();

    /**

     * By default Symbian 2nd phase constructor is private.

     */

    void ConstructL();

    /**

     * Release all resources kept in iCerts array (exept for iCert

     * which is released separetly) and empty iCerts array

     */

    void ResetAndDestroyCertsArray();

    /**

     * Release all resources kept in iCerts array and empty iCerts array

     */

    void ResetCertsList();

    /**

     * To find matched key in the phase EFindingKeys

     */        

    void FindMatchedCert();

private:

    /** 

     * State of active object. 

     * EUnitialized standard state

     * EInitializingCertStore during initialize certstore

     * EFindingCerts during finding cert

     * EListCerts during listing certs

     * EAddingCert during adding cert

     * ERetrievingCertData during retrieving cert data

     * ERetrievingCertObject during retrieving cert object

     */ 	

    enum TState

        {

            EUnitialized,

            EInitializingCertStore,

            EFindingCerts,  

            EListCerts,

            EAddingCert,

            ERetrievingCertData,

            ERetrievingCertObject

            };

private:

    /**

     * A reference to the CUnifiedCertStore class

     */

    CUnifiedCertStore *iCertStore;

    /**

     * A reference to the WritableCertStore

     */

    MCTWritableCertStore *iWritableCertStore;

    /**

     * Store the retrived cert

     */

    CCTCertInfo *iCert;

    /** 

     * An internal state

     */

    TState iState;

    /** 

     * Store filter to search in SymbianCertStore

     */ 

   CCertAttributeFilter* iCertFilter; 

    /** 

     * To store the cert label

     */ 

    HBufC* iCertLabel;

    /** 

     * To store the cert data

     */ 

    HBufC8* iCertData;

    /** 

     * store the retrived parsed representation, derived object

     */

    CCertificate* iCertObject;

    /** 

     * Store the certs found

     */

    RMPointerArray< CCTCertInfo > iCerts;         

    /** 

     * A reference to the File Server Client

     */

    RFs iFs;

    /**

     * Error flag

     */ 

    TInt iError;

    };

#endif      // __XMLSECCERTMAN_SYMBIANCERTSTORE_H__