cryptoservices/certificateandkeymgmt/pkixCert/pkixCertChainHelper.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 10 Sep 2009 14:01:51 +0300
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/*
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* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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* CPKIXCertChainHelper class implementation
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*
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*/
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/**
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 @file 
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 @internalTechnology
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*/
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#ifndef __PKIXCERTCHAINHELPER_H__
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#define __PKIXCERTCHAINHELPER_H__
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#include <e32base.h>
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class RFs;
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class CPKIXCertChainBase;
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class CPKIXValidationResult;
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class CUnifiedCertStore;
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/**
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 * An helper object that used to implement the valdiation functionality of the
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 * CPKICCertChain interface.  This is done by creating and initialising a
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 * unified certificate store, and then calling through to the implementation in
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 * CPKIXCertChainBase.
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 */
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NONSHARABLE_CLASS(CPKIXCertChainHelper) : public CActive
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	{
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public:
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	static CPKIXCertChainHelper* NewL(RFs& aFs);
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	virtual ~CPKIXCertChainHelper();
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	CUnifiedCertStore& CertStore();
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	/** Validates the chain. */
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	void Validate(CPKIXCertChainBase& aCertChain,
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				  CPKIXValidationResult& aValidationResult, 
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				  const TTime& aValidationTime,
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				  TRequestStatus& aStatus);
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	/** Validates the chain. */
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	void Validate(CPKIXCertChainBase& aCertChain,
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				  CPKIXValidationResult& aValidationResult, 
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				  const TTime& aValidationTime,
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				  const CArrayPtr<HBufC>& aInitialPolicies, 
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				  TRequestStatus& aStatus);
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	/** Cancels an asynchronous Validate() operation. */
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	void CancelValidate();
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private:
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	CPKIXCertChainHelper();
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	void ConstructL(RFs& aFs);
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	void StartValidate(CPKIXCertChainBase& aCertChain,
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					   CPKIXValidationResult& aValidationResult, 
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					   const TTime& aValidationTime,
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					   const CArrayPtr<HBufC>* aInitialPolicies, 
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					   TRequestStatus& aStatus);
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	void InitializeCertStore();
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	void ValidateChainL();
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private:
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	virtual void RunL();
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	virtual TInt RunError(TInt aError);
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	virtual void DoCancel();
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	void Complete(TInt aError);
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private:
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	enum TState
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		{
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		EIdle,
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		EInitializeCertStore,
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		EValidateChain
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		};
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	CUnifiedCertStore*		iCertStore;
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	TBool					iCertStoreInitialized;
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	TState					iState;
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	// Client parameters
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	CPKIXCertChainBase*		iCertChain;
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	CPKIXValidationResult*	iValidationResult;
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	TTime					iValidationTime;
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	const CArrayPtr<HBufC>*	iInitialPolicies;
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	TRequestStatus*			iClientStatus;
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	};
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#endif